VX-S207 U SERVICE MANUAL INTEGRATED COLOR TV / STEREO VIDEO CASSETTE RECORDER BASIC TAPE MECHANISM : OVD-6 REVISION PUBLISHING 1 VERSION CRT PWB070 PWB010 A A51KSV43X07(M0) TM9437A TC9296A B A51KST93X31(VM0) TM9433A TC9293A There are 2 types for this model. Because, PCB and Parts are different each other. VERSION SERIAL S/M PARTS No. A 672-0226001 ~ 672-0628960 09-003-341-4N1 B 672-0712001 ~ 09-003-341-4S1 This manual is for VERSION “B” in the above List. S/M Code No.
TABLE OF CONTENTS TABLE OF CONTENTS ...................................................................................................................................................... SERVICING NOTICES ON CHECKING ............................................................................................................................. DISASSEMBLY INSTRUCTIONS REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ...........................................................................................
SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis and parts. Make sure to keep the indications and notices in the operation manual. Safety is secured against an X-ray by considering about the cathode-ray tube and the high voltage peripheral circuit, etc.
DISASSEMBLY INSTRUCTIONS 1-3: TV/VCR BLOCK (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS AND P.W. BOARDS 1. Remove the 2 screws 1. 2. Disconnect the following connectors: (CP303, CP401, CP502, CP4201 and CP4202). 3. Unlock the support 2. 4. Remove the TV/VCR Block in the direction of arrow. 1-1: BACK CABINET (Refer to Fig. 1-1) 1. Remove the 2 screws 1. 2. Remove the 4 screws 2. 3. Remove the 2 screws 3 which are used for holding the Back Cabinet. 4. Remove the AC cord from the AC cord hook 4. 5.
DISASSEMBLY INSTRUCTIONS 1-5: DECK SHIELD PLATE (Refer to Fig. 1-5) 1-7: JACK PLATE AND SYSCON PWB (Refer to Fig. 1-7) 1. Remove the 2 screws 1. 2. Remove the screw 2. 3. Remove the 2 screws 3. 4. Remove the Deck Shield Plate in the direction of arrow. 1. Remove the screw 1. 2. Remove the Syscon PWB in the direction of arrow (A). 3. Remove the 2 screws 2. 4. Remove the nut 3. 5. Remove the washer 4. 6. Unlock the 2 supports 5. 7. Remove the Jack Plate in the direction of arrow (B).
DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DECK PARTS NOTE 2-1: TOP BRACKET (Refer to Fig. 2-1) When you install the Tape Guide L, install as shown in the circle of Fig. 2-3-B. (Refer to Fig. 2-3-B) 1. Remove the 2 screws 1. 2. Slide the 2 supports 2 and remove the Top Bracket. NOTE Tape Guide L When you install the Top Bracket, install the screw (1) first, then install the screw (2). REC Lever (2) (1) 1 1 Top Bracket Top Bracket • The REC Lever is not installed on the Video Cassette Player. Fig.
DISASSEMBLY INSTRUCTIONS 2-6: LINK ASS'Y (Refer to Fig. 2-6) 2-9: TENSION ASS'Y (Refer to Fig. 2-9-B) 1. Set the Link Ass'y to the Eject position. 2. Remove the (A) side of the Link Ass'y first, then remove the (B) side. 1. Turn the Middle Gear clockwise so that the Tension Holder hook, is set to the position of Fig. 2-9-A to more the Tension Arm Ass'y. 2. Unlock the support 1 and remove the S Reel Stopper. 3. Remove the Tension Spring. 4. Unlock the support 2 and remove the Tension Arm Ass'y. 5.
DISASSEMBLY INSTRUCTIONS 2-10: T BRAKE ASS'Y (Refer to Fig. 2-10) 1 1. Remove the T Brake Spring. 2. Remove the T Brake Ass'y. P5 Spring 2 Cassette Opener 2 T Brake Ass'y Pinch Roller Ass'y P5 Arm Ass'y T Brake Spring Pinch Roller Lever Main Chassis • Screw Torque: 5 ± 0.5kgf•cm Fig. 2-10 Fig. 2-12-A 2-11: S REEL/T REEL ASS'Y (Refer to Fig. 2-11) NOTE 1. Remove the Idler Ass'y. 2. Remove the S Reel and T Reel Ass'y. 3. Remove the 2 Polyslider Washers 1. 1. Do not touch the Pinch Roller.
DISASSEMBLY INSTRUCTIONS Capstan Belt Capstan DD Unit Spring Position Fig. 2-13-B 2-14: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-14) 1. Remove the screw 1. 2. Remove the FE Head. 1 1 1 • Screw Torque: 4 ± 0.5kgf•cm 1 Fig. 2-16 FE Head 2-17: MIDDLE GEAR/MAIN CAM (Refer to Fig. 2-17-A) • The FE Head is not installed on the Video Cassette Player. • Screw Torque: 4 ± 0.5kgf•cm 1. Remove the Polyslider Washer 1, then remove the Middle Gear. 2.
DISASSEMBLY INSTRUCTIONS 2-18: CLUTCH ASS'Y (Refer to Fig. 2-18) NOTE 1. Remove the Capstan Brake Spring. 2. Remove the Polyslider Washer 1. 3. Remove the Clutch Ass'y, Ring Spring, Ring Clutch, Gear Clutch and Polyslider Washer 2. When you install the Loading Arm S Ass'y, Loading Arm T Ass'y and Main Loading Gear, align each marker. (Refer to Fig. 2-19-B) Marker NOTE When you install the Clutch Ass'y, oil the shaft (KYODO OIL SLIDAS #150).
DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to remove the other. 3. REMOVAL OF ANODE CAP Read the following NOTED items before starting work. NOTE * After turning the power off there might still be a potential voltage that is very dangerous. When removing the Anode Cap, make sure to discharge the Anode Cap's potential voltage. * Do not use pliers to loosen or tighten the Anode Cap terminal, this may cause the spring to be damaged.
DISASSEMBLY INSTRUCTIONS 3. When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 4-3.) 4. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC REMOVAL NOTE 1. Put the Masking Tape (cotton tape) around the Flat Package IC to protect other parts from any damage. (Refer to Fig. 4-1.
DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thintip Soldering Iron. (Refer to Fig. 4-8.) 1. Take care of the polarity of new IC and then install the new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily. (Refer to Fig. 4-5.) Thin-tip Soldering Iron IC Soldering Iron Fig. 4-8 5.
KEY TO ABBREVIATIONS A A/C ACC AE AFC AFT AFT DET AGC AMP ANT A.PB APC ASS'Y AT AUTO A/V B BGP BOT BPF BRAKE SOL BUFF B/W C C CASE CAP CARR CH CLK CLOCK (SY-SE) COMB CONV CPM CTL CYL CYL-M CYL SENS D DATA (SY-CE) dB DC DD Unit DEMOD DET DEV E E EF EMPH ENC ENV EOT EQ EXT F F FBC FE FF FG FL SW FM FSC FWD G GEN GND H H.P.
KEY TO ABBREVIATIONS S SYNC SYNC SEP T TR TRAC TRICK PB TP U UNREG V V VCO VIF VP V.PB VR V.
SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter SERVICE MODE, Unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and remocon key simultaneously. The both pressing of set key and remote control key will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On. Set Key Remocon Key VOL. (-) MIN 0 Releasing of V-CHIP PASSWORD.
PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Unless maintenance is properly carried out, the following service intervals may be quite shortened as harmful effects may be had on other parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. Time Parts Name 500 hours 1,000 hours 1,500 hours 2,000 hours 3,000 hours Notes Audio Control Head Clean those parts in contact with the tape.
PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING 2. TAPE RUNNING SYSTEM NOTE When cleaning the tape transport system, use the gauze moistened with isopropyl alcohol. After cleaning the heads with isopropyl alcohol, do not run a tape until the heads dry completely. If the heads are not completely dry and alcohol gets on the tape, damage may occur. 3. CYLINDER Wrap a piece of chamois around your finger. Dip it in isopropyl alcohol. Hold it to the cylinder head softly.
NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. NOTE: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On.
SERVICING FIXTURES AND TOOLS (For 2 heads model) VHS Alignment Tape JG001 (TTV-N2) JG001A (TTV-N12) JG001T (VN 2 S-X6 3 ) (For 4 heads model) VHS Alignment Tape JG001B (TTV-N2) JG001I (TTV-N12) JG001S (VN 1 S-X6 3 ) JG002B Adapter JG002E Dial Torque Gauge (10~90gf•cm) JG002F (60~600gf•cm) JG005 Post Adjustment Screwdriver Part No. SV-TG0-030-000 (small) JG153 X Value Adjustment Screwdriver JG022 Master Plane JG024A Reel Disk Height Adjustment Jig JG100A Torque Tape (VHT-063) JG154 Cable Parts No.
PREPARATION FOR SERVICING Basic Servicing Position (In case of needing to check on all blocks) 1. Unplug the connector CP4201, CP4202 and CP303, then remove the TV/VCR Block from the set. 2. Unplug the connector CP810, CP820 and CP850, then remove the Main PWB from the VCR Block. 3. Connect as shown in the below figure using the Service Fixture. • Connect the Syscon PWB to the Main PWB with the cable JG162C and JG162D. • Connect the Syscon PWB to the CRT PWB with the cable JG162Y. 4.
PREPARATION FOR SERVICING Servicing Position for Main PWB (In case of needing to check on Main PWB) • It's possible to get the Servicing Position without the extension Jig if you arrange the unit as shown below. (But L503 connection can not be done, Degauss circuit will not operate.) L503 (2 Pin) • Be careful for the short circuit. Main PWB VHS Tape (Put the Tape under the FBT.
VCR TEST TAPE INTERCHANGEABILITY TABLE There are two types of the new alignment tape CH-1B (for NTSC) and CH-2 (for PAL). On each tape four signals (1) - (4) are recorded for the times and in the order shown below. (1) : 8min. ---> (2) : 2min. ---> (3) : 5min. ---> (4) : 5min. The TTV-MP1 (for M-PAL), TTV-MS1 (for MESECAM) and TTV-S1 (for SECAM) alignment tapes have the same contents as the previous tapes.
MECHANICAL ADJUSTMENTS 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION 1. CONFIRMATION AND ADJUSTMENT Read the following NOTES before starting work. 1. Set to the PLAY mode. 2. Adjust the Tension Adjust until the edge of the Tension Arm is positioning within 0.5mm range from the standard line center of Main Chassis. After this adjustment, confirm that the cut position is located in "A" area as shown in Fig. 1-2-B. If it is located in "B" area, adjust again. 3.
MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE 1. Install the Torque Gauge (JG002F) and Adapter (JG002B) on the S Reel. Set to the Picture Search (Rewind) mode. (Refer to Fig.1-4-B) 2. Then, confirm that it indicates 120~180gf•cm. If the torque is out of the range, replace the following parts. NOTE Install the Torque Gauge on the reel disk firmly. Press the REW button to turn the reel disk.
MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ CONTROL HEAD 2-3: TAPE RUNNING ADJUSTMENT (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, adjust the following items. 1. Confirm and adjust the height of the Reel Disk. (Refer to item 1-1) 2. Confirm and adjust the position of the Tension Post. (Refer to item 1-2) 3. Adjust the Guide Roller. (Refer to item 2-1) 4. Confirm and adjust the Audio/Control Head. (Refer to item 2-2) 5.
MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 4 3 7 2 1 8 12 11 10 9 1. Tension Adjust 7. P4 Post 2. Tension Arm 8. T Brake Spring 3. Guide Roller 9. T Reel Ass'y 4. P1 Post 10. Idler Ass'y 5. Audio/Control Head 11. S-S Brake Spring 6. X value adjustment driver hole 12.
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE Read and perform these adjustments when repairing the circuits or replacing electrical parts or PWB assemblies. CH-2 CAUTION When replacing IC's or transistors, use only specified silicon grease (G746). (To prevent the damage to IC's and transistors.) 6.5H CH-1 Fig. 2-1-A On-Screen Display Adjustment 1. Unplug the AC plug for more than 5 seconds to set the clock to the non-setting state. Then, set the volume level to minimum. 2. Press the VOL.
ELECTRICAL ADJUSTMENTS 2-5: STEREO SEPARATION 2-9: VERTICAL SIZE NOTE: Adjust after performing adjustments in section 2-4. NOTE: Adjust after performing adjustments in section 2-8. 1. Receive the stereo signal. (L=2KHz, R=400Hz) 2. Connect the AC voltmeter to AUDIO OUT L/R through stereo filter (L=400Hz, R=2KHz). 3. Check if the difference between with the stereo filter and without the stereo filter is more than 23dB. 1. Connect the digital voltmeter to TP401. 2.
ELECTRICAL ADJUSTMENTS 2-14: SUB BRIGHTNESS 2-16: SUB TINT 1. Receive the black pattern*. (RF Input) 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 4. Press the channel button (1) on the remote control. 5. Press the VOL. UP/DOWN button on the remote control until the screen begin to shine. 6. Receive the black pattern*.
ELECTRICAL ADJUSTMENTS 2-20: WHITE BALANCE NOTE: Adjust after performing CUT OFF adjustment. 1. Place the set with Aging Test for more than 15 minutes. 2. Receive the white 100% signal from the Pattern Generator. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (2) on the remote control. The Fig. 2-8 appears on the display. 5.
ELECTRICAL ADJUSTMENTS 3.
ELECTRICAL ADJUSTMENTS (TV SECTION) TP803 J801 TP801 CRT PWB VR502 TP401 T501 FOCUS VOLUME SCREEN VOLUME FB401 MAIN PWB D2-6
ELECTRICAL ADJUSTMENTS 4-3: STATIC CONVERGENCE 4. PURITY AND CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 4-2. NOTE 1. Receive the crosshatch pattern from the color bar generator. 2. Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets. 3. Combine red/blue (magenta) and green by adjusting the pair of 6 pole magnets. 1.
TROUBLESHOOTING GUIDE (Television division) (In case that there isn't a normal tension for time to do standby CD810 every terminal) ( 1 ) that a power supply doesn't enter Is there output on the secondary of T501 dimensions or not? NO Voltage of C507 is it normal? NO Investigate R501 and F501. YES YES Whether there is output for IC501 3rd pin or not? NO Investigate IC506 and IC501. YES Investigate T501. Whether is POWER FAIL normal? NO Investigate T502.
TROUBLESHOOTING GUIDE ( 2 ) that a power supply doesn't enter Is the voltage 5V for IC1001 99th pin or not? (in case that there is a normal tension for time to do standby CD810 every terminal) NO Investigate D1006 and D1011. YES Is the voltage of IC1001 85th pin 5V or not? NO Investigate D1015 and Q1023. YES Is there 12MHz OSC for IC1001 38th pin and 39th pin or not? NO Investigate X1001. YES Is there 100V in the emitter of Q503? NO Investigate TV Power H. Investigate Q503 with Q501.
TROUBLESHOOTING GUIDE A voice isn't though an image appears Whether does a signal come to IC351 3rd pin and 6th pin or not? NO Whether does a signal come to IC301 2nd pin and 19th pin or not? NO Investigate IC701 first pin and 11th pin. Then investigate IC6602 8, 9th pin and 12th pin or a peripheral circuit. YES YES Investigate IC301 peripheral circui. Does a signal change at a volume upgrade/knock down or not? NO Investigate IC301.
TROUBLESHOOTING GUIDE A color doesn't adhere to it Whether is wave form of IC604 47th pin normal or not? NO Investigate X604. YES Whether is wave form of IC604 54th pin normal or not? NO Investigate IC604. YES IC604 17th pin, 18th pin, and whether is wave form of 19th pin normal or not? NO Investigate IC604. YES Investigate Q810, Q811, Q812 and a peripheral circuit.
TROUBLESHOOTING GUIDE An image doesn't appear Whether does video signal appear for IC701 17th pin or not? NO Investigate IC701 and a peripheral circuit. YES Is the voltage DC 5V for IC604 6th pin or not? NO Investigate P.CON 5V line. YES Whether is a luminance signal early in IC604 52nd pin or not? NO Investigate IC604. YES R, G, B signal out from the 17th pin, the 18th pin and 19th pin? NO Investigate IC604 and a peripheral circuit. YES Investigate a transistor of CRT PWB.
TROUBLESHOOTING GUIDE An only horizontal line appears Is the voltage DC 25V for IC401 6th pin or not? NO Investigate R452. YES Is the voltage DC 14V for IC401 2nd pin or not? NO Investigate CRT, IC401 and a peripheral circuit. YES Whether does a vertical signal appear for IC604 26th pin or not? NO Investigate IC604.
TROUBLESHOOTING GUIDE (Video division) Release playback Insert a cassette, push a PLAY button. Is the playback released approximately 3 seconds later? Investigate a tape roading, roading belt, mode sensor, DD motor, and cylinder motor. YES NO Is the playback released approximately 6 seconds later? YES Investigate a reel sensor and reel belt. YES Investigate reel sensor, IC1001, looseness of a reel belt.
TROUBLESHOOTING GUIDE When playback, a screen doesn't appear Whether does a screen of E-E appear or not? NO Whether it takes 5V for IC4001 16, 25, 40, 55, 58, 75, 87th pin or not? YES Whether there are PB Y/C signal for TP4001 or not? NO Investigate a power supply circuit. YES NO Investigate a connection of IC4001 and cylinder. YES Whether there is FM signal for IC4001 46th pin or not? NO Exchange IC4001.
TROUBLESHOOTING GUIDE When playback, a color doesn't adhere to it Whether does FM envelope appear for TP4001 or not? NO Investigate CP4001 and the peripheral circuit. NO Investigate Q4008 and the peripheral circuit. YES Whether does CHROMA signal appear for IC4001 71st pin or not? YES Whether does composite signal appear for IC4001 29th pin or not? NO Exchange IC4001. YES Investigate a television block.
TROUBLESHOOTING GUIDE Noise (it is really back to have cleaned a head) for a picture when playback Whether does TP4001 FM signal appear or not? NO Exchange cylinder unit and CP4001. NO Investigate a peripheral circuit of IC4001 46th pin. YES There is FM signal for IC4001 41st pin, and doesn't a noise appear again? YES Video waveform of IC4001 29th pin is 2V, and doesn't a noise appear again? NO Exchange IC4001. YES Exchange IC701.
TROUBLESHOOTING GUIDE No color during self recording and playback Whether there is a video signal for IC4001 29th pin or not? Investigate a video input circuit. (FRONT, and REAR VIDEO IN) NO YES Whether there is CHROMA signal for IC4001 61st pin or not? NO Investigate Q4010 peripheral circuit. NO Investigate CP4001 peripheral circuit. YES Whether there is FM signal for CP4001 4, 6th pin or not? YES Exchange a cylinder unit.
TROUBLESHOOTING GUIDE When playback, a sound doesn't appear Whether does a sound appear with E-E or not? NO It refers to a clause of " E-E doesn't appear". YES Whether there is an audio signal for IC4001 4th pin or not? Investigates wound, whether a connector with an audio head is complete and inserted into CP4005 to investigate whether there isn't becoming dirty or not or not for an audio head to investigate a circuit of IC4001 5~8th pin.
TROUBLESHOOTING GUIDE Capstan DD motor doesn't rotate When playback, is a tension of 8th pin of CP1004 5V? NO Investigate a power supply circuit. YES When playback, voltage of 4th pin of CP1004 2.5V or whether is IC1001 12th pin 2.5V or not? NO Exchange IC1001. YES When being reborn, is a tension of 4th pin of CP1004 2.5V? NO Exchange IC1001.
TROUBLESHOOTING GUIDE A audio can't record it A bias level with L4003 is OK (approximately 40Vp-p) NO Investigate Q4005 and Q4006 peripheral circuit. NO Investigate a circuit to IC4001 76th pin with IC5501 61st pin. NO Investigate IC4001 and the peripheral circuit. NO Investigate IC4001 and the peripheral circuit.
TROUBLESHOOTING GUIDE Though a cassette can insert it, a tape doesn't move Does mode indicator appear in Display? Investigate a portion related to roading motor and a mode sensor. YES NO Does VCR operate with the remote control? NO Investigate IC1001 and CP1005. YES Investigate a tact SW.
TROUBLESHOOTING GUIDE Recording mechanism works, but no video recorded from input jack or tuner Whether there is a video signal for IC4001 36, 38th pin or not? Investigate video input jack and IC4001, tuner and IC4001 circuit. NO YES Whether there is a video signal for IC4001 41st pin or not? NO Whether there is a video signal for IC4001 46th pin or not? NO Exchange IC4001. YES YES Investigate Q4012 peripheral circuit.
TROUBLESHOOTING GUIDE No E-E (no video and audio from tuner) Whether TU601 7th pin is 5V or not, whether is 9th pin 30V or not? NO Investigate a power supply circuit. YES Whether is IC604 6 and 28th pin 5V or not? NO Investigate 5V and 9V lines. YES Whether there is a video signal for IC4001 38th pin or not? NO Investigate a line of IC4001 38th pin with IC604 56th pin. NO Investigate a line of IC604 54, 52nd pin with CP604 4, 5th pin.
TROUBLESHOOTING GUIDE Cylinder not rotating during playback and recording Whether is a voltage of CP1005 2nd pin DC 12V approximately or not? NO Investigate UNREG 12V line of a MAIN PCB. YES When playback, is a voltage of 5th pin of CP1005 DC 1.2V approximately? YES Exchange a cylinder motor. NO When playback, is a voltage of 77th pin of IC1001 square wave of 5Vp-p? NO Investigate a circuit to CP1005 5th pin and IC1001 77th pin. YES Exchange IC1001.
TROUBLESHOOTING GUIDE A sound shakes Whether is an audio head wounded or not? YES Exchange an audio head. NO Whether is an input level of IC1001 87th pin a sine wave of 2.5Vp-p or not? NO Exchange capstan DD unit. YES When playback, is a tension of 3rd pin of CP1004 DC 2.2V approximately? YES NO When playback, is a tension of 65th pin of IC1001 square wave of 5Vp-p? YES Investigate a audio block. E-19 NO Exchange IC1001.
TROUBLESHOOTING GUIDE A cassette tape can't insert it Whether does WORM gear of a cassette roading block move or not? NO Investigate a front roading gear and LOCKER. YES When not inserting a cassette more, is a tension of 3, 4th pin of IC1001 0V? Investigate IC1001 to investigate LED and photosensor of a MAIN PCB and the peripheral circuit. NO YES Around a cassette insertion, is a voltage for 3, 4th pin of CP1006 9V? YES Exchange roading motor.
TROUBLESHOOTING GUIDE When inserting cassette, it ejects immediately Whether don't you enter it with an other cassette or not? For whether it is a cassette defective product or not, cassette roading block defective product. NO YES If you cover an infrared rays sensor, 3rd of IC1001, is a tension of 4th pin 0V? NO Exchange EOT/BOT photo transister. YES Whether is an ejection position of a front roading gear correct or not? NO Investigate a front roading gear. YES Investigate IC1001.
TROUBLESHOOTING GUIDE FF/REW do not work When pushing FF/REW button, does the voltage of 65th pin of IC1001 change? NO Exchange IC1001. Investigate IC1001 72nd pin. NO Investigate Q1001 and the peripheral circuit. YES Whether does the voltage of CP1004 4th pin change? YES Investigate deck mechanism.
TROUBLESHOOTING GUIDE Tape loading is OK, but unloads immediately Whether does a cylinder rotate or not? NO Whether it takes UNREG 12V for CP1005 2nd pin or not? When playback, it takes 1.3V for 5th pin of CP1005? YES Exchange a cylinder unit. NO NO 30 Hz YES Whether is PG pulse signal inputed by IC1001 90th pin or not? YES Exchange IC1001. Whether is a reel sensor pulse signal by IC1001 79th pin and 80th pin or not? Investigate a power supply circuit.
TROUBLESHOOTING GUIDE When playback, a picture vertically finely shakes NO Whether does a noise appear for a screen or not? YES For tracking UP/DOWN make, does a noise of a screen get with no? NO Investigate P/B envelope. YES Whether is a height of a guide post correct or not? NO Adjust guide post height. YES Whether is PG SIFTER 6.5 H or not? NO Adjust PG SHIFTER. YES Investigate a circuit of PB-Y.
TROUBLESHOOTING GUIDE Auto tracking doesn't work Whether does DC level of IC4001 93rd pin change with manual tracking or not? NO Investigate IC4001 and cylinder unit. YES Whether is VIDEO SYNC in IC1001 59th pin or not? YES Exchange IC1001. NO Investigate Y/C circuit.
TROUBLESHOOTING GUIDE When playback, fast forward or rewind mode is activated, unit stops immediately Whether does capstan DD motor rotate or not? NO It refers to a clause of "Capstan DD motor doesn't rotate" YES Whether is capstan belt normal or not? NO Exchange capstan belt. YES Whether there is a reel sensor pulse signal for IC1001 79th pin or not? NO Investigate Q1001 and R1006. YES Whether there is a reel sensor pulse signal for IC1001 80th pin or not? NO Investigate Q1005 and R1019.
TROUBLESHOOTING GUIDE When playback, a picture horizontally shakes Whether is FG output level of CP1005 3rd pin approximately 4.5Vp-p or not? NO Exchange a cylinder motor. YES Do you hang a load, become approximately 4V for 1.3V or cylinders voltage of CP1005 5th pin? NO Exchange IC1001. YES Exchange a cylinder motor. When playback, a picture shakes Whether is FG output level of CP1005 3rd pin approximately 4.5Vp-p or not? NO Exchange a cylinder motor . YES Whether does a sine wave of 4.
IC DESCRIPTION OEC7041A (IC1001) Pin No. Pin Name I/O DESCRIPTION 1 MSSEN-A I 2 MSSEN-B I 3 EOT I Tape end sensor input signal. 4 BOT I Tape start sensor input signal. 5 HI-FI-ENV I Input terminal of HiFi RF envelope. 6 VIDEO-ENV I Input terminal of video RF envelope. 7 AFT(MONI) I Input terminal of AFT. 8 AFT(REC) I Not used. Main unit key input. Input terminal of mecha state sensor. 9 KEY A I 10 KEY B I 11 CAP-FWD O Capstan forward and backward command.
IC DESCRIPTION OEC7041A (IC1001) Pin No. Pin Name 45 OSC-OUT2 I/O DESCRIPTION O Condenser connection for OSC-OUT2. 46 NUB 47 CM_ADV_VIDEO - 48 CM_ADV_AUDIO I Not used. 49 OSD-VSS - Ground. Ground. I/O Not used. 50 TAB SW I Input terminal for judge the tape if it has TAB or not. 51 SERVICE I Input terminal for Service Mode. 52 SD-IN(MONI) I Not used. 53 OSD-VCC - 5V 54 HLF - Condenser connection for HLF. 55 VHOLD - Condenser connection for VHOLD.
IC DESCRIPTION OEC7041A (IC1001) Pin No. Pin Name I/O DESCRIPTION 88 AMP-VSS - Ground. 89 DRUM-FG I Input terminal for drum rotation signal detection. 90 DRUM-PG I Input terminal for DRUM PG signal detection. 91 AMP-VREFOUT 92 AMP-VREFIN O Condenser connection for AMP-VREFOUT. I Condenser connection for AMP-VREFIN. I Condenser connection for C. 93 C 94 CTL- I/O Input and output terminal of Control Head. 95 CTL+ I/O Input terminal of Control Head.
SERVO TIMING CHART IC1001 (OEC7041A) DPG (0 PIN DFG *9 PIN H. SW.
SYSTEM SWITCH MODE PB FWD : CAPSTAN FWD ROTATING DIRECTION RVS : CAPSTAN RVS ROTATING DIRECTION LOADING DIRECTION (FWD) EJECTION UNLOADING SLOW : SETTING SPEED TO SERVO : MECHANICAL MOVEMENT AND CAPSTAN ROTATING : MECHANICAL MOVEMENT (NO CAPSTAN ROTATING) STP3 VSR F.
SEMICONDUCTOR BASE CONNECTIONS DIODE CATHODE CATHODE ANODE ANODE 1SS133T-77 HZ11B3L TD HZ27-1L TD HZ30-1L TD HZ6A3L TD MTZJ30B T-77 MTZJ5.1B T-77 MTZJ5.6B T-77 MTZJ6.2B T-77 MTZJ6.8B T-77 MTZJ9.
SEMICONDUCTOR BASE CONNECTIONS TRANSISTOR E C B CE B 2SA1318(S,T)-AA 2SA1371(D,E)-AE 2SA733(C)-T_Q 2SB892(S,T)-AE 2SC1317(Q,R,S)-T 2SC1815Y(TPE2) 2SC2909(S,T)-AA 2SC3331(S,T,U)-A 2SC945(C)-T(P,Q) E CB DTC114ESTP DTC114TSTP E C 2SD2396(J,K) A C E A 2SA1037AKT146 RPI-352Q01R 2SC2412KT146 R,S DTA124EKAT146 DTC114EKAT146 DTC114TKAT146 DTC124EKAT146 DTC143EKAT146 B CE 2SD2499 B 2SC4160-OEC-YAC1 2SC2621(D,E)-RAC K B E C B CE E K C SG-260 G-2 E C B 2SC4217(D,E)-RAC
TV BLOCK DIAGRAM V. OUTPUT IC401 LA7840 THERMAL PROTECTION R. SIGNAL G. SIGNAL PUMP UP B. SIGNAL AMP COLOR SIGNAL LUMINANCE SIGNAL TUNER VIDEO SIGNAL AUDIO SIGNAL VCC 2 5 6 7 Q405 DEFLECTION SIGNAL Q406 H. DRIVE H. OUTPUT DY X604 3.579545MHz CHROMA/IF IC604 LA76814BM TU.A.
Y/C/AUDIO/HEAD AMP/IN/OUT BLOCK DIAGRAM RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK COLOR SIGNAL TUNER VIDEO SIGNAL AUDIO SIGNAL(REC) AUDIO SIGNAL (PB) HF2 HIFI HF COM CP4001 9 HF1 (R) 71 7 HF2 (L) 64 72 82 R P KIL DET ENV DET 5 SP COM 84 R KIL 94 P.CON+5V 320FH VXO VCO PB_FM XO Sub AGC CONV 88 Q4004 PB BGA BEFORE AFTER PB BGA AFTER COMP OUT BUFFER P R P REC BGA R 24 REC FM-AGC 30 CTL PB EQ 100 H.
MICON/POWER/OPERATION BLOCK DIAGRAM SW1001 2 3 1 4 SYSCON_TIMER_SERVO IC1001 OEC7041A X1001 12MHz AT+5.6V 50 TAB SW 39 X-OUT(12MHz) 38 X-IN(12MHz) POWER_FAIL_L HI-FI-ENV. 1 P. CON 5V 1 4 2 MS_SEN A Q1009 3 1 2 4 2 MSSEN-A 3 85 5 HIFI_ENV. HIFI-H.SW 19 HIFI_H.SW ST SELECT STEREO SEL 100 VCR_A_MUTE 81 RESET-L 34 MSSEN-B MS_SEN B Q1003 3 OUT VCR_A_MUTE V.REC_ST_H SYSTEM RESET IC1002 PST600H SENSOR SW 23 MSSENS-CTL P. CON 5V Q1019 P.
HIFI BLOCK DIAGRAM J702 1 2 3 4 5 6 7 HIFI AUDIO/H.AMP/DEM IC5501 AN3662FBP FRONT_VIDEO_IN HF2 22 AMP AGC 2 REAR_A_IN_R 10 INPUT SW Y/C/AUDIO/ H.AMP/IN/OUT HF1 24 HF_COM 21 4 15 REAR_A_IN_L AMP 53 H.AUDIO_OUT_R AMP 57 H.AUDIO_OUT_L BPF 48 TU.A.OUT_1 FM LIM 30 AMP OUTPUT SW Y/C/AUDIO/ H.AMP/IN/OUT PNR FSC 45 Y/C_AUDIO 62 NORMAL_A 61 VCO-FO ADJ LOGIC 29 V. REC_ST-H 28 HIFI_ENV. TV DEM BLOCK P.CON 5V 19 51 P.CON 9V 58 LOGIC 27 HIFI_H.
PRINTED WIRING BOARDS OPERATION/FRONT JACK SOLDER SIDE E D SW794 R754 A CD751 W001 SW793 R778 D793 R780 R758 D795 R773 R771 R774 SW792 SW791 R751 W816 W803 W810 W003 CD353 W802 C382 SW751 D751 J702 C781 W811 J351 R381 B351 W819 C384 2 R380 E 1 R772 R794 R761 W814 2 SW798 W002 OS753 R775 C755 SW795 W004 R753 SW799 C752 D791 1 SW796 C779 R752 D792 D794 SW797 B SW750 R777 R776 C751 W805 W807 C D C B DECK SOLDER SIDE CP101 CP102 Q101 I-1 Q102
A B C D E F G H OPERATION SCHEMATIC DIAGRAM 8 8 (OPERATION PWB) 7 7 6 6 3 POWER ON L 5 OTPB LED 1 Vout ON TIMER/ST-BY 2 B+ D792 EQ-552-F1T 5.1 3 GND W805 270 270 D751 EM-553-F1T 4 D794 EQ-552-F1T PLAY LED R751 R794 270 R761 EQ-552-F1T REC/OTR D793 5.1 POWER C752 0.1 F C755 6.3V 220 KA SKHVBED010 REW SW794 SKHVBED010 FF/CUE SW793 SKHVBED010 PLAY SW792 SKHVBED010 PLAY BACK SW750 SKHVBED010 0 SKHVBED010 REC/OTR SW795 2.7K VOL DOWN SW797 R780 1.
A B C D E F G H FRONT JACK SCHEMATIC DIAGRAM 8 8 (FRONT JACK PWB) 7 7 6 6 J351 HSJ2630-010070 1 5 C384 C382 W819 16V 47 KA R381 16V 47 KA 4 R380 3 220 1/2W 2 220 1/2W 6 5 5 7 B351 W803 BL01RN1-A63 4 4 W810 W811 W816 TO I/O W802 1 2 3 FRONT VIDEO IN GND FRONT A IN L 4 SOUND GND 5 SOUND OUT L 6 SP OUT L 7 8 3 W814 CD353(CP4202) CH2B027A 3 J702 JPJ3656-01-432 H GND 2 H 4 H 6 7 NC FRONT A IN R NC 9 10 SOUND OUT R 11 SP OUT R E 1 E 3 E 5 FRONT
A B C D E F G H DECK SCHEMATIC DIAGRAM 8 8 LOADING MOTOR M101 7 7 (DECK PWB) S105 6 6 5.1 0 BOT SENSOR Q101 RPT-38PB113 S106 S101 S102 S103 S104 5 5 FROM/TO MICON CP101 52044-0445 4 LDM+ 3 LDM- 2 BOT 1 VCC FROM/TO MICON CP102 173979-2 4 2 1 5.
A B C5522 1 C1005 R1011 R350 C5502 R5518 C5514 C5506 C5508 C I-5 D C5524R5508 R5516 W944 S816X E W244 C4030 W176 1 W915 R305 R4010 C302 C316 C307 W884 C630 R637 R648 W835 R668 R4213 Q603 W255 R655 C674 Q602 W240 R670 W845 R306 R307 R318 Q350 W829 F R4224 C4213 R611 C647 R4233 Q4211 R625 C4208 C687 C616 R4231 R4203 Q4210 C613 C667 R4232 C4209 R1061 R672 R656 R612 R4212 R1008 C4218 C4217 C646 R633 C614 R605 R606 C604 C692 C608 C673 R662 R663 Q1008 R618 R619
R4201 SW1001 L5501 C5501 W072 L4009 W287 L4014 C4078 W065 C4039 W130 W885 W131 Q1001 L4010 C4046 L4017 C4041 D4005 L4012 IC1099 W021 W093 W090 W086 W087 C4071 3 W084 C4067 C4073 W088 W089 W014 L1001 W016 W017 W013 W011 D1012 C1008 W815 W081 W018 W082 W083 W012 W010 W009 W079 W080 W076 W077 W871 W037 IC1002 X1002 W036 D1011 D1016 W034 5 00 W936 Q1 C1059 W035 W109 W162 W163 W164 W158 W157 W161 C1003_1 W078 W137 W135 W138 X1001 C1021 W033 W
CC4202 W181 W892 C354 TP5501 R5513_1 W121 R5506_1 W117 W047 C5521 W116 W049 C5501 W285 C5523 R312 C320 R353 W805 R359 C5529 W896 C310 C317 C5557 W916 C4001 C5558 C303 C4027 C5550 C5551 W836 W249 W921 F C1060 C1061 R4044 R4076 D4005 W089 W131 D1003 C4063 W086 W873 C1039 W084 C4068 C4055 C4067 W918 C4075 C4073 C4074 C4072 W087W913 C4064 W946 C4218 C4217 L611 R630 R649 R623 R642 R618 R647 R626 C676 C654 R645 D4008 L4002 R4046 R4049 R4050 C4052 R4045 R
A B C D E F G H Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PWB) FSC NC NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK A C 100uH L4010 100uH 18 19 20 21 22 23 L4012 50 42 43 CHARA CLAMP INS 24 25 26 27 1.5 28 16 FROM/TO MICON 2.3 5.2 2.0 3.2 C4063 50V 1 KA 4.9 1.8 3.3 C4111 S823X S823Y R4056 1K 16V 47 KA C4074 0.01 B R4077 2.2M H.AMP_SW BL01RN1-A63 SCL SDA 15 C4069 0.1 B C4064 0.01 B R4055 H.SW B4001 6.
A B C D F MICON SCHEMATIC DIAGRAM D1011 (SYSCON PWB) C1067 R1032 10K R1040 5.2 NC 0 NC 0 33K FROM/TO CHROMA/IF C1040 18P CH R1041 1M D1012 MTZJ6.2B C1050 22P CH RESET 5.2 NC 0 0 OSD_B OSD_BLK TV_POWER_H VCR_POWER_H OTPB_LED 0 30 IIC_OFF AFT_M SCL SDA OSD_R OSD_G X_RAY C1026 0.1 B C1049 22P CH X1002 32.768KHz 1.6 0 ON_TIM_LED C1061 SDA 68P CH C1060 0 0.1 B 5.1 7 8 TEST 6 SCL 5.1 5 SDA 5.1 FROM/TO I/O 5.1 5.1 TV POWER SW Q1017 2SC2412K A2 A1 A0 4.
A B C D E F G H CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PWB) R655 47uH R670 10K R618 2.2K 0 SCL IIC_OFF R629 FROM/TO Y/C/A/H.AMP 0 24K 24K R636 X604 3.579545MHz 100CT3R505 C643 50V0.47 KA R635 10P CH C659_1 50V 2.2 KA C634 50V3.3 KA C660 0.01 B C630 10V 1000 YK Y/C GND C671 C641 R634 18P CH 22K 6 TU.V.OUT_1 C642 0.001 B 0 42 0 W893 41 GND_1 30 H_GND BLACK STRETCH BLACK STRETCH OSD SW VER C/D VER RAMP 2.3 19 2.3 25 26 2.3 18 AKB 20 0 21 0 22 0 23 5.6K R646 4.
A B C D E F G H HIFI SCHEMATIC DIAGRAM 8 8 VCR_A_MUTE C5531 6.3V 47 KA 0.1 B 16V 10 KA L5504 SCL P.CON+5V C5530 C5511 100uH 16V 10 KA 16V 10 KA C5536 C5538 1K 16V 33 KA R5517 C5534 32 31 30 29 28 27 26 25 23 22 18 L 2.6 0.1 5 2.2 17 6 2.6 7 8 9 0 10 0.1 11 0 12 2.2 13 2.6 14 0 15 0.4 0.1 2.0 V.REC_ST_H 1SS133 HIFI_ENV C5549 3.9 0.01 B HIFI_H.SW 3.5 FROM CHROMA/IF TU.A.OUT_1 5 C5542 0.1 B TP5502 HIFI_H.SW 0 5.3 C5543 0.01 FROM/TO Y/C/A/H.
A B C D E F G H 7 6 5 4 3 2 1 OTPB LED POWER ON LED AT+5V GND REMOCON OUT 8 KEY A 9 REC LED T-REC LED 10 11 KEY B 12 PLAY LED ON TIMER LED FROM/TO OPERATION 3 CP4201 (CD751) 8283_1212_00_000 4 FRONT A IN L 1 5 SOUND GND 2 6 SOUND OUT L GND 7 SP OUT L (SYSCON PWB) FRONT VIDEO IN 8 GND 9 10 FRONT A IN R 11 SP OUT R SOUND OUT R CP4202 (CD353) 8283_1112_00_000 FROM/TO FRONT JACK IN/OUT SCHEMATIC DIAGRAM 8 8 NC NC W804 ON TIMER LED SW Q4201 DTC114EKA 3.
A B C D E F G H POWER SCHEMATIC DIAGRAM 8 8 (SYSCON PWB) 6 6 0 GND 2 AT+12V 3 AT+12V 4 P.CON+9V 5 AT+5.6V 6 SW Q1008 DTC124EKA 50V10 KA P.CON+5V[A] 5.2 1N4005E 5.3 D1007 GND FROM/TO MICON 4.5 P.CON+5V[A] AT+5.6V 10K CAP_VCO POWER_FAIL[DC] 4.5 P.CON SW Q1006 2SC2412K 0 0.7 CAP_MID_H R1069 VCR_POWER_H 1.5K MOTOR_GND MOTOR GND AT+21V AT+10V AT+5.6V C1037 9 10 POWER_FAIL[DC] 100 POWER FAIL(DC) R1068 AT+30V 8 D1014 11EQS04N 6.3V 1000YK GND AT+30V 7 5 P.
A B C D E F G H SOUND AMP SCHEMATIC DIAGRAM 8 (SYSCON PWB) SOUND_AMP IC352 AN7522 + 1 - 2 6.6 3 3.5 L 4 0 5 3.5 6 3.9 - R 7 8 1.3 0 9 1.3 8 + 10 6.6 11 3.5 12 0 3.5 HS352 763WAA0027 7 7 W819 FROM/TO I/O SOUND_L+ C350 R350 100K SOUND_R+ 50V 0.1 KA SP_OUT_R SP_OUT_L 6 6 B301 FROM MICON R353 TV_POWER_H R359 68K TV_A_MUTE KA 5 C351 C352 5 50V 1 SOUND_GND 16V 33 YK BL01RN1-A63 C354 SOUND+B 25V1000 YK FROM CHROMA/IF 6.
E D I-15 C CP820 B W827 W028 CP810 HS503 FB401 R447 HS402 D532 R456 D509 W018 W017 C541 1 W843 C450 D531 T401 08 ICP502 D5 ICP504 S810X CP811 C432 R450_2 D502 D503 T501 B505 D413 D409 R442 C407_2 W037 C403_1 R419 W036 D403 W034 W033 C431_1 R421 C405 CC004 R411 R413 R416 R414 R402 C402 R514 R553 D529 TH501 CP502 R542 D401 C409 D516 D534 R503 R506 C510_3 C512 B502 R543 W007 W046 R404 C509 IC501 D518 RY501 R403 W846 R523 VR502 R439 R502 C
A B C D E F G H DEFLECTION SCHEMATIC DIAGRAM (MAIN PWB) 8 8 V.OUTPUT IC401 LA7840 THERMAL PROTECTION AMP + 23.5 0.9 7 5 1.1 6 D401 C413 100V0.1 TF 1/2W 22.3 1.3 B401 EXCELSA35T 1.3 100 1/4W C438 160V1 MHE 6 500V 680P B R460 0 HS402 763WSA0004 500V0.001 B D413 RMPG06J C430_1 5 R448_3 1K 1W C450 2KV0.001 BP FB401 043221012F 2 262.0 W850 262.0 H.OUTPUT Q406 2SD2499 22.3 680P BP 4 2 0 R G B 5 7 1 127.0 0 10 5 9 COL 0 2.2 1 1W 22.3 2KV470P B 1.
A B C D E F G H TV POWER SCHEMATIC DIAGRAM (MAIN PWB) 8 8 TV.POWER_H P.CON+125V 251004 4A125V 21DQ09N D509 C518 15 STR-F6624 CONT 4 18.5 5 B505 0 LFP3A-M3R2TA 0 0 5A 125V 2KV470P BP ICP504 D508 251005 5A125V 21DQ09N 1.8K 1/2W 1SS133 1.
A B C D E F G H CRT SCHEMATIC DIAGRAM (MAIN PWB) 8 8 0 0 5 6.0 132.9 6 7 104.1 8 4 132.8 3 9 132.5 TP801 7 5 FROM CHROMA/IF CP850 (CD850) 8283_0512_00_000 CUT OFF 3 G.OUT R.OUT 1 B.OUT J801 HPS3200-010501 12K 2W R807 132.5 2.8 2.5 R814 2 7 F W803 6 C809 4 0 2.7K 1/4W RED AMP Q804 2SC4217 270P B GND 180 5 1 R802 6 R811 4.7K TP802 6 R805 12K 2W 132.1 5 2.9 2.5 W804 GREEN AMP Q805 2SC4217 5 R808 2.
A B C D E F G H SP302 4_OHM SPEAKER 3 POWER ON LED 4 4 1 Vout 5 OTPB LED 5 OPERATION 6 KEY A 6 PWB030 TEXA17 7 T-REC LED 7 8 REC LED 8 9 KEY B 9 10 ON TIMER LED 10 11 6 2 3 4 2 3 4 1 1 11 PLAY LED 12 J351 CP1004 1 12 5 4 3 2 6 4 7 5 SOUND OUT L 5 6 6 SP OUT L 6 GND 7 E H 5 NC SOUND GND 7 3 1 PWB250 TEXA18 OUT SWITCH LOGIC MR FG SENSOR 6 2 MOTOR GND 3 I LIMIT 3 4 CTL 4 5 VCO 5 6 FG 6 7 CAP.
WAVEFORMS TV POWER 1 5.0V 0.1ms/div Y/C/AUDIO/HEAD AMP 6 50V. 10µs/div DEFLECTION 2 2.0V 20µs/div 7 50V. 10µs/div DEFLECTION 3 200mV. 10ms/div 8 10V. 10ms/div TV POWER 4 200mV. 20µs/div 9 2V. 10µs/div 21 PB 1V. 0.5ms/div 26 REC 1V. 5ms/div 17 REC 0.5V. 0.5ms/div 22 PB 2V. 5ms/div 27 REC 5V. 20µs/div 18 REC 20mV. 5µs/div 23 PB 1V. 10ms/div 28 REC 200mV. 5ms/div 11 REC 0.5V. 0.2ms/div 16 12 REC 100mV. 0.2ms/div 13 REC 200mV. 0.2ms/div PB 100mV. 10µs/div MICON 14 PB 0.
WAVEFORMS CHROMA/IF 31 200mV. 1ms/div 33 200mV. 10µs/div 34 50mV. 10µs/div 35 200mV. 10µs/div SOUND AMP 36 100mV. 1ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
MECHANICAL EXPLODED VIEW 130 138 201 201 203 203 203 130 206 J801 211 206 129 203 143 130 211 132 114 211 115 139 143 L503 143 128 PWB110 (CRT PWB) 112 217 213 110 144 218 111 217 141 217 112 214 112 107 211 V801 145 108 121 205 143 109 215 PWB070 (MAIN PWB) 213 115 114 205 SP302 FB401 113 213 206 PWB250 (AV PWB) 136 A 207 PWB030 (OPERATION PWB) 206 118 127 207 131 SP301 B 117 123 207 208 119 120 124 104 142 122 126 125 116 101 K1-1
MECHANICAL EXPLODED VIEW 115 216 134 216 216 115 212 204 204 A 206 204 115 206 133 115 216 102 106 209 213 202 115 213 137 140 105 TU601 114 210 103 114 202 PWB010 (SYSCON PWB) B 135 K1-2
MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION Q'TY REF. NO. PART NO. DESCRIPTION 101 102 103 104 105 106 107 108 109 S5-610-1B7-200 ------S3-5WP-D06-830 ---S7-1WP-A02-310 ---------- CABI ASSY,FRONT SHIELD,CASE HEAD AMP ASS'Y PLATE,EARTH-SYSCON BUTTON,REC HEAT SINK PLATE,JACK HEAT SINK HEAT SINK HEAT SINK 1 1 1 1 1 1 1 1 1 140 141 142 143 144 145 S2-A97-A40-770 S9-9HV-3T0-000 ---S6-9WS-A00-110 ------- W,9.7-14-T0.7 HOLDER,ANODE WIRE LABEL,ENEGY STAR WASHER CRT T=0.
CHASSIS EXPLODED VIEW (TOP VIEW) 503 367 503 300 515 505 505 M2003 505 335 UN4001 319 507 313 334 318 AA H5001 502 508 H5002 355 314 349 321 501 506 348 305 328 356 309 336 310 347 313 512 301 304 508 A 512 361 303 AB 329 315 338 316 AA 317 AB AA 320 AA AB 353 366 359 M101 AA 502 357 A 371 368 351 364 308 358 BA 366 306 369 370 509 365 AB AA AB 502 AB AB 363 PWB550 (DECK PWB ASS'Y) AB 351 362 323 360 324 AB AB 511 352 CLASS PART NO.
CHASSIS EXPLODED VIEW (BOTTOM VIEW) 302 300 M2001 511 AA 340 AA 514 AA 341 AA AA 343 AA 511 322 330 AA 307 AB 332 346 514 AA 342 AA 333 345 339 350 513 344 503 510 346 331 311 AA AA AB AC 312 AB 354 326 AA 327 325 BA AA 512 AB 337 504 CLASS PART NO. GREASE G-555G AA MG-33 AB OIL NOTE: Applying positions AA, AB, AC and BA for the grease or oil are displayed for this section. Check if the correct grease or oil is applied for each position.
CHASSIS REPLACEMENT PARTS LIST REF. NO. PART.NO. 300 ---- DESCRIPTION DECK ASSY A55901B420A Q'TY REF. NO. PART.NO.
ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. SYSCON PWB ASS'Y *** RESISTORS *** R628 R640 ! R1005 S4-X5T-682-3F0 S4-X5T-647-2F0 S6-150-12R-7J0 RES,MF 82K-1/6W RES,M 4.7K-1/6W RES,FUSE 2.
ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION D5501 87-020-465-010 REF.NO. PART NO.
ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO.
ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION ! Q405 ! Q406 S2-SC2-621-D00 SD-UQ0-259-900 TR,2SC2621(D,E) TR,2SD2599 *** TRANSISTORS *** REF.NO.
2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 0251431 Printed in Singapore
