AV RECEIVER/AV AMPLIFIER RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ REMOTE CONTROL PANELS RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 (U, C, A, L, R, T, K models) HTR-5750 (U, C, A, T, K models) RX-V450 (U, C, A, L, R, T, K models) HTR-5740 (U, C, A models) DSP-AX450 (J model) 16 RX-V550 (B, G, E models) RX-V450 (B, G, E models) HTR-5740 (G, E models)
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ SPECIFICATIONS / 参考仕様 530 to 1,710 kHz 531 to 1,611 kHz 530 to 1,710 / 531 to 1,611 kHz 300 µV/m Antenna / アンテナ入力 U .......... A .......... G .......... L ........... T .......... J ........... U.S.A. model Australian model European model Singapore model Chinese model Japanese model C B E R K ...... Canadian model ...... British model ...... South European model ...... General model ...... Korean model Manufactured under license from Dolby Laboratories.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 • Set Menu Table / セットメニュー CATEGORY BASIC SETUP MANUAL SETUP MAIN MENU 1 SOUND MENU • The variable range of the parameter (Min/Max/Step) / パラメーターの可変範囲(最小/最大/ステップ) SUB MENU A ) SPEAKER SET B ) SP LEVEL C ) SP DISTANCE D ) CENTER GEQ E ) LFE LEVEL F ) D . RANGE G ) AUDIO SET 2 INPUT MENU 3 OPTION MENU ( Except RX-V550 ) A ) I / O ASSIGN B ) INPUT MODE A ) DISPLAY SET B ) MEMORY GUARD C ) PARAM .
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 7 ■ DISASSEMBLY PROCEDURES 8 (Remove parts in the order as numbered.) Disconnect the power cable from the AC outlet. 1. Removal of Top Cover 4. Removal of Sub Chassis Unit a. Remove 4 screws (1) and 4 screws (2). (Fig. 1) b. Slide the Top Cover rearward to remove it. (Fig. 1) a. Remove 2 screws (5) and then slide the Sub Chassis Unit forward. (Fig. 1) b. Loosen the harness fixture fixing the cable. c.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 7. Removal of MAIN (1), MAIN (5), MAIN (7) and POWER (1) P.C.B.s ■ DISASSEMBLY PROCEDURES / 分解手順 a. Remove CB351, CB354 and CB503. (Fig. 5) b. Remove 2 screws (9), 2 screws (0) and 3 screws (A). (Fig. 5) c. Remove MAIN (1), MAIN (5), MAIN (7) and POWER (1) P.C.B.s.. (Fig. 5) (Remove parts in the order as numbered.) Disconnect the power cable from the AC outlet. (番号順に部品を取り外してください。) AC電源コンセントから、電源コードを抜いてください。 1.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750/RX-V450/HTR-5740 5 5. Removal of MAIN (1), MAIN (5), MAIN (7) and POWER (1) P.C.B.s DSP-AX450 6 5 6 5. MAIN(1) 、MAIN(5) 、MAIN(7) 、POWER(1)P.C.B.の 外し方 a. CB351、CB354、CB503を外します。 (Fig. 5) b. 7のネジ2本、8のネジ2本、9のネジ3本を外します。 (Fig. 5) c. MAIN(1) 、MAIN(5) 、MAIN(7) 、POWER(1)P.C.B.を取 り外します。 (Fig. 5) a. Remove CB351, CB354 and CB503. (Fig. 5) b. Remove 2 screws (7), 2 screws (8) and 3 screws (9). (Fig. 5) c. Remove MAIN (1), MAIN (5), MAIN (7) and POWER (1) P.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ SELF DIAGNOSIS FUNCTION (DIAG)/自己診断機能(ダイアグ) This unit has self diagnosis functions that are intended for inspection, measurement and location of faulty point. There are 17 DIAG menu items, each of which has submenu items. Listed in the table below are menu items and sub-menu items. Note that not all menu items listed will apply to the models covered in this service manual.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 • Starting DIAG ● ダイアグの起動 Press the “STANDBY/ON” key while simultaneously pressing those two keys of the main unit as indicated in the figure below. 本体の下図に示すキーを同時に押しながら“STANDBY/ON” キーを押すと、ダイアグが起動します。 Keys of main unit / 本体キー RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 Turn on the power while pressing these keys.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 • Display provided when DIAG started ● ダイアグ起動時の表示 The FL display of the main unit displays the protection function history data and the version (1 alphabet) and the DIAG menu [sub-menu (YSS MARGIN) of DIAG menu No.1 DSP THROUGH] a few seconds later. When there is no history of protection function: 本体のFLディスプレイにプロテクション履歴情報とバージョン (英1文字)が表示され、数秒後にダイアグメニュー(No.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 When there is a history of protection function due to abnormal DC output DC出力異常によるプロテクション 履歴がある場合 Cause: DC output of the power amplifier is abnormal. Supplementary information: The abnormal voltage is displayed in % based on 5V as 100%.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 • Operation procedure of DIAG menu and SUB-MENU There are 17 MENU items, each of which has some SUBMENU items. ● ダイアグメニューとサブメニューの操作 ダイアグにはNo.1∼17のメニューがあり、そのそれぞれにサブ メニューがあります。 ダイアグメニューの選択 本体キーでの操作: DIAG menu selection PROGRAMツマミで選択します。 Main unit: Select the menu using the PROGRAM knob. サブメニューの選択 SUB-MENU selection RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 Main unit: Select the sub-menu using (Reverse) keys of PRESET/TUNING.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ● ダイアグメニュー詳細 With full-bit output specified in some modes, it is possible to execute 0dBFS output without head margin in each channel. 一部のモードでフルビット指定することで、各チャンネルのヘッ ドマージンを廃して0dBFS出力することが可能です。 1. DSP THROUGH 1. DSP THROUGH YSS MARGIN • The front CH signal including the head margin is output at the main CH. Head margin (Max): Front L/R: 15.0dB, Center: 14.0dB, Surround L/R: 9.0dB, Surround Back: 8.0dB, SW: 18.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 2. BYPASS 2. BYPASS ANALOG BYPASS • The signal for L/R is output as it is without passing through the DSP section. ANALOG BYPASS ・ L/Rは、DSP部を通らずにそのまま出力されます。 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 Reference data INPUT: DVD ANALOG SWFR: 50Hz, Others: 1kHz SPEAKER OUTPUT (1kHz) Input level Volume Both ch, -20 dBm +6.0 dB FRONT L/R +13.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 3. RAM THROUGH 3. RAM THROUGH Using the sub-menu, it is possible to select the full-bit output at 0dB output level. When ANALOG and PCM are selected, signals are distributed to each channel by YSS930. サブメニューにより出力レベル0dB、フルビット出力が選択可能 です。 ANALOGおよびPCMのとき、信号はYSS930で各チャンネル に振り分けられます。 RAM MARGIN RAM MARGIN Input level Volume SPEAKER OUTPUT (1kHz) FRONT L/R CENTER SURROUND L/R SURROUND BACK Both ch, -20 dBm +6.0 dB +13.0 dBm +13.0 dBm RAM FULL BIT +13.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 4. PRO LOGIC 4. PRO LOGIC It is possible to select PRO LOGIC I, II (Movie) or Meo:6 by using the sub-menu. When PRO LOGIC I or II (Movie) is selected, Auto Input Balance is always turned off.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 Neo:6 Neo:6 Reference data INPUT: DVD ANALOG SWFR: 50Hz, Others: 1kHz Volume Each ch, -20 dBm Both ch, -20 dBm +6.0 dB +6.0 dB FRONT L/R SPEAKER OUTPUT (1kHz) CENTER SURROUND L/R SURROUND BACK +13.0 dBm -∞ -∞ +16.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 5. SPEAKERS SET The input signal is automatically identified and switched in the priority order of dts → DOLBY DIGITAL → AAC → PCM AUDIO → Analog (A/D) according to the signal detection. The signals output from the DSP block are the same as 2. BYPASS: DSP BYPASS. 入力は信号検出によって、dts → DOLBY DIGITAL → AAC → PCM AUDIO → アナログ (A/D) の優先順で自動判別切り換えさ れます。 DSP部からは、No.2 BYPASSのDSP BYPASSと同様の信号 が出力されます。 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 5.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 6. EXTERNAL INPUT 6. EXTERNAL INPUT The signal input through the 6CH INPUT terminals is output. The speaker impedance can be selected. 6CH入力した信号が出力されます。 6オーム、8オームが選択できます。 6ch INPUT_6 6ch INPUT_6 Input level Volume Both ch, -20 dBm +6.0 dB FRONT L/R +13.0 dBm SPEAKER OUTPUT (1kHz) CENTER SURROUND L/R SURROUND BACK +13.0 dBm 6ch INPUT_8 +13.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 8. DISPLAY CHECK 8. DISPLAY CHECK This program is used to check the FL display section. The display condition varies as shown below according to the sub-menu operation. The signals are processed using EFFECT OFF (The L/R signal is output using ANALOG MAIN BYPASS.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 9. MANUAL TEST 9. MANUAL TEST The noise generator circuit built into the DSP outputs the test noise through the channels specified by the submenu. The noise frequency for LFE is 35 to 250 Hz. Other than that, the center frequency is 800Hz. DSP内蔵のノイズ発生回路によって、サブメニューで指定した チャンネルへテストノイズを出力します。 LFE用のノイズ周波数は35∼250Hz、それ以外は中心周波数 800Hzとなります。 TEST MAIN L TEST CENTER Noise is output from all channels. 全チャンネルからノイズを出力 Noise is output from the FRONT L channel.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 • PRESET STATIONS / プリセット局 STATION PAGE NO. 1 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 A/C/E FM FACTORY PRESET DATA (MHz) U, C R, T, K, A, B, G, L J 87.5 87.5 76.0 2 3 4 90.1 95.1 98.1 90.1 95.1 98.1 83.0 84.0 86.0 5 6 7 107.9 88.1 106.1 108.0 88.1 106.1 90.0 78.0 88.0 8 107.9 108.0 82.1 STATION PAGE NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 REC-OUT Not applied to these models. REC-OUT このモデルには適用されません。 IMP SW/POWER LIMIT (インピーダンス/パワーリミッターの検出) IMP: このモデルには適用されません。 PL: パワーリミッター検出の値 IC502 92ピンの入力電圧値を5V/256を基準にして表示 します。 IC502 92ピンの入力電圧値により、ポート (3ピン) を制御 します。 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 IMP SW/POWER LIMIT (Impedance/power limiter detection) IMP: Not applied to these models. PL: Power limiter detection value The voltage value of pin No. 92 of IC502 is displayed, using 5V/256 as standard.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 13. IF STATUS (Input function status) 13. IF STATUS Using the sub-menu, the status data is displayed one after another in the hexadecimal notation. During signal processing, the status before execution of this menu is maintained. サブメニュー操作により、以下のステータス情報を順次16進数で 表示します。信号処理は、本メニュー実行前の状態を維持しま す。 ※図中の数値は参考例です。 * The numeric value in the figure is an example for reference.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 <5th byte> Signal processing status information *2: With digital signals other than 32kHz, 44.1kHz and 48kHz, through processing method is used for reproducible signals. bit7 bit6 MUTE request Red dts flashing bit5 bit4 6.1/EX processing FULL MUTE (ON: 1) <第5バイト>信号処理ステータス情報 *2: 32kHz、44.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 14. DSP RAM CHECK 14. DSP RAM CHECK This menu is used to self-diagnose whether or not the bus connection for the YSS930 and the external RAM is made properly. During signal processing, the status before execution of this menu is maintained. The address bus and the data bus are checked and the connection condition is displayed. When no error is detected, "NoEr" appears on display.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 16. SOFT SW This menu is used to switch the function settings on P.C.B. through the software so as to activate the product. The protection function follows the P.C.B. settings. When connected to AC or in the maker preset state, the unit is initialized to the P.C. B. setting. Display of each function after initialization varies depending on settings on P.C.B. The operation mode can be changed by selecting the submenu and then using the STRAIGHT key.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 17. MICROPROCESSOR INFORMATION 17. マイコン情報 There are 4 sub-menu items. The version, checksum and the port specified by the microprocessor are displayed. The signal is processed using EFFECT OFF. The checksum is obtained by adding the data at every 16 bits for each program area and expressing the result as a 4-figure hexadecimal data.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ AMP ADJUSTMENT / アンプ部調整 メイン(1) 基板のアイドリング電流の確認 ● 電源投入直後、R45(FRONT Lch) 、R46(FRONT Rch) 、 R 5 0(C E N T E R )、R 4 7(S U R R O U N D L c h )、R 4 8 (SURROUND Rch) 、R49(SURROUND BACK) の端子間 電圧を測定し、0.1mVから10.0mVの間であることを確認し てください。 • If it exceeds 10.0mV, open (cutoff) R38 (Front Lch), R39 (Front Rch), R37 (Center), R34 (Surround Lch), R35 (Surround Rch), R36 (Surround Back) and reconfirm the voltage.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ IC DATA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 VDD2 VDD2 VSS VSS MEMD7 MEMD6 MEMD5 MEMD4 VDD1 MEMD3 MEMD2 MEMD1 MEMD0 VDD2 VSS VSS MEMA0 MEMA1 MEMA2 VDD2 VDD2 VSS VSS VDD1 MEMA3 MEMA4 MEMA5 MEMA6 VDD2 VDD2 VSS VSS MEMA7 MEMA12 MEMA14 MEMA16 SDOWCK SDOMCK SDO0 SDO1 VSS VSS SDO2 SDO3 V
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 IC5 : YSS948 (DSP P.C.B.) DSP (Main Decoder) Category Pin No. Power supply 9 33 45 60 85 100 121 136 5 6 15 22 23 36 50 51 63 64 70 71 79 80 88 89 95 107 108 119 120 127 128 137 138 142 Terminal name VDD1 VDD2 IC5 : YSS948 (DSP P.C.B.) DSP (Main Decoder) I/O Output Note 1) current – – – – Function Power supply terminal for terminal block circuit (Typ. 3.3V) Power supply terminal for internal circuit (Typ. 1.2V) Category Pin No.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 External memory chip select output terminal External memory output enable output terminal External memory write enable output terminal Interrupt request output terminal Auto mute period output terminal Continuous zero data input detect terminal Status output terminals 7 to 0. Used for confirmation of firmware operation. Usually leave it unconnected.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 IC7 : YSS930-SZ (DSP P.C.B.) DSP (Post Processor) IC7 : YSS930-SZ (DSP P.C.B.) DSP (Post Processor) No.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 IC502: M30622MWP-152FP (FUNCTION P.C.B.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 IC502: M30622MWP-152FP (FUNCTION P.C.B.) 16bit µ-COM (Main CPU) Pin Pin Function 66 P26/A6 Function Function name P26 TMT Detail of Function TUNER MUTE IC502: M30622MWP-152FP (FUNCTION P.C.B.
A B C D E F G H I J RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 1 ■ BLOCK DIAGRAM (1/2) OPERATION RX-V550, HTR-5750, DSP-AX450 only XL1 MD/CD-R DVD 24.
A B C D E F G H I J RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ BLOCK DIAGRAM (2/2) SUB TRANS 4 3 1 C-INPUT SELECTOR IC601 IC603 2 1 RY401 IC608 Y/C Separation T601,602 4 3 D-TV/CBL 8ohm/4ohm IC1-4 Q604 C Y-INPUT SELECTOR IC602 S-SIGNAL DETECTOR IC609 4 3 2 IC608 IC603 1 F1 S-MONITOR Q601 Y T401 C148 4 3 2 +B C149 1 Q703,704 VCR IC606 /4ohm SR121 2 F2/J401 DVD S-VIDEO INPUT • See page 82 → SCHEMATIC DIAGRAM • See page 84 → SCHEMATIC DIAGRAM RX-V550, HTR-5750, DSP
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ● ANODE CONNECTION ■ DISPLAY DATA 16G ● V801 : 16-BT-122GNK (WC173100) } 1 15G 14G 13G 12G 11G 10G 9G~5G 4G 3G 2G 1G P1 S1 1-1 1-1 1-1 1-1 1-1 1-1 1-1 1-1 1-1 1-1 P2 S7 2-1 2-1 2-1 2-1 2-1 2-1 2-1 2-1 2-1 2-1 P3 S8 3-1 3-1 3-1 3-1 3-1 3-1 3-1 3-1 3-1 3-1 4-1 4-1 4-1 4-1 4-1 4-1 4-1 4-1 4-1 4-1 P4 PATTERN AREA ● PIN CONNECTION Pin No.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ■ PIN CONNECTION DIAGRAM • ICs • Diodes LM61CIZ NJU7201L55 3: GND 2: Vout 1: +Vs NJM7805FA NJM7812FA 1: GND 2: VIN 3: VOUT PQ025EZ5MZP PQ012FZ01ZP LA7956 3: COM 1: OUT 2: COM 2: IN NJM2581M SN74AHCT08PWR NJM2068MD NJM2904M TK15420M µPC4570G2 8 3: IN 3: IN 2: COM NJM4556AL µPC29M33T-E1 NJM79M05FA NJM79M12FA 1: OUT MTZJ10B MTZJ15A MTZJ2.4B MTZJ3.0A MTZJ6.8B MTZJ9.1B MTZJ12.0C MTZJ30.
A B C D E F G H I J L K M RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (DSP) 1 RX-V550: Page 77 L10 HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 79 M10 to FUNCTION (2) RX-V550/HTR-5750 Reference No. s1 4.9 U, C, R, T, K, A, B, G, L, E R57 memo 4.7K AAC s2 MOUNT Digital Out MD/CDR In s3 MOUNT COAX RX-V550: Page 76 HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 78 to FUNCTION (1) H2 H2 IC8: MSM514260E-60JS 4Mbit DRAM 4.
A B C D E F G H I J L K M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (FUNCTION 1/2) RX-V550 1 2 Page 77 L4 to FUNCTION (2) Page 75 I1 to DSP Page 80 K4 to OPERATION (4) HP AMP. MUTE 9.3 10.0 9.3 3 0 0 0 0 0.7 x: NOT USED O:USED / APPLICABLE 0 Page 80 H8 to OPERATION (1) 0 0 11.8 0 0.7 0 0 0 4 0 0 0 -9.8 -9.2 -9.2 0 -11.7 0 FRONT L 11.8 0.1 0.1 Page 83 A1 to POWER (1) 0 0 0 0 0 0 0 0 0 0 0 5 -11.6 0 0.
A B C D E F G H I J L K M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (FUNCTION 2/2) RX-V550 Point 1 Pin 13 of IC502 1 Point 2 Cathode of D501 and Pin 12 of IC502 A D501 B IC502 2 4.9 POWER ON (Connect the power cable) 4.8 -4.9 POWER OFF (Disconnect the power cable) 4.9 4.9 x: NOT USED O: USED / APPLICABLE 0.7 0 4.9 x: NOT USED O: USED / APPLICABLE x: NOT USED O: USED / APPLICABLE 4.9 3 -4.9 4.9 4.9 Y/Cb/Cr SELECTOR 0 0 0 INPUT SELECTOR 4.
A B C D E F G H I J L K M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (FUNCTION 1/2) HTR-5750 RX-V450/HTR-5740/DSP-AX450 1 2 Page 79 L4 to FUNCTION (2) Page 75 I1 to DSP Page 81 J6 to OPERATION (4) HP AMP. MUTE 9.3 10.0 9.3 3 0 0 0 0 0.7 0 Page 81 G9 to OPERATION (1) 0 0 11.8 0 0.7 0 0 0 0 4 0 0 -9.8 -9.2 -9.2 0 -11.7 0 FRONT L 11.8 0.1 0.1 0 Page 83 A1 to POWER (1) 0 0 0 0 0 0 0 0 0 0 5 0 0.1 0 0 0 0 0 0 -11.
A B C D SCHEMATIC DIAGRAM (FUNCTION 2/2) HTR-5750 E F G H I J L K M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 RX-V450/HTR-5740/DSP-AX450 1 HTR-5750 X V782550 X V782550 X V782550 T601 T602 WC71660 WC71680 WC71670 WC71660 WC71670 WC71690 WC71680 WC71690 0 T 100K RD35810 X X s57 s58 W513 CB512 MF40412 X X V782550 100K RD35810 100K RD35810 X P022MJB V362430 X V782550 s52 s53 s54 J901 T601 T602 X WC71660 WC71680 O X X O X X CB511 SW901 V782640 X INPUT SELECTOR 4.
A B C D E F G H I J L K M RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (OPERATION) RX-V550 1 -20.5 -20.5 -18.2 -24.1 -22.1 -22.1 -22.1 -20.3 -24.1 -26.0 -22.0 -24.1 -16.3 -16.3 -20.2 -20.1 -18.1 -14.4 -18.1 -20.1 -22.1 -18.1 -16.2 -24.0 -22.1 -24.0 -20.2 -16.0 -22.0 -26.0 -22.0 -24.1 -18.2 -18.2 ~ -18.2 ~ -22.0 -20.1 -22.1 -25.8 -26.0 -26.1 -26.1 -26.0 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.
A B C SCHEMATIC DIAGRAM (OPERATION) D HTR-5750 E F G H I J K L M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 RX-V450/HTR-5740/DSP-AX450 FL DISPLAY 1 IC801: M66003-0101FP FL Display Driver CGROM (35 bit x 166) CS 2 SCK 3 SDATA 4 Serial receive circuit dot data write data 44 Segment output circuit Code write -20.5 -20.5 -18.2 -24.1 -22.1 -22.1 -22.1 -20.3 -24.1 -26.0 -22.0 -24.1 -16.3 -16.3 -20.2 -20.1 -18.1 -14.4 -18.1 -20.1 -22.1 -18.1 -16.2 -24.0 -22.
A B C D E F G H I J L K M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (MAIN) 1 55.3 55.3 Page 83 F10 to POWER (1) 55.3 RX-V550: Page 77 H7 HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 79 H8 to FUNCTION (2) 55.2 0.1 1.1 0.6 0.6 0 1.1 -0.4 55.0 0 -1.0 0.6 0 -0.5 2 -1.0 0 -0.5 -0.5 0 0 0 0 0 -1.0 -52.8 4.7 -55.2 -55.2 -55.3 0 0 -53.3 0 -53.9 55.3 1.1 0 0 0 0 0 0 0 0.5 0.5 3 0 55.3 55.0 1.1 0 RX-V550/HTR-5750 0 -0.4 0 0.
A B C D E F G H I J L K M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (POWER) 2 RX-V550: Page 76 L5 RX-V550: Page 76 L6 HTR-5750, RX-V450, HTR-5740, HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 78 L5 DSP-AX450: Page 78 L6 to FUNCTION (1) to FUNCTION (1) 1 19.1 AC30.4 -0.1 -0.1 11.8 5.0 19.1 0 1.0 11.2 11.2 4.9 0 -20.0 0 to Power Transformer 5.0 0 AC18.3 POWER AMP. 11.2 0 0 54.0 0 53.5 -11.7 1.1 0 -20.0 -4.9 -11.9 -11.9 FRONT L 3 54.6 53.
A B C D E F G H I RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 SCHEMATIC DIAGRAM (SUBTRANS) 1 R, L models Other models Page 83 L10 to POWER (2) to Power Transformer 2 4.8 3 ~ ~ ~ 6.1 ~ ~ -0.2 RESET AC88.9 ~ 5.0 0 5.1 6.1 ~ ~ 0 0 6.1 0.2 AC8.1 ~ ~ 0 Page 82 H10 to MAIN (2) ~ 0 0 ~ ~ 0.2 4 x: NOT USED O: USED / APPLICABLE 0 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0 4.9 POWER DETECT 5 0 4.3 ~ 9.9 1.0 ~ 1.1 9.9 0.8 ~ 0 0.1 0.
A B SCHEMATIC DIAGRAM (VIDEO) C D E F G H I J K L M N RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450 DSP-AX450 1 Page 79 I4 to FUNCTION (2) IC851, 852: TC74HC4053AF Analog Multiplexer/Demultiplexer 0.1 INHIBIT VDD 6 16 2 A 0.7 B 0 3 0 -4.8 0 0 8 VEE 7 0X 12 1X 13 0Y 2 1Y 1 0Z 5 1Z 3 SW 14 X-COM 15 Y-COM 4 Z-COM SW SW SW SW SW 4.9 0 0 4.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 PARTS LIST ■ ELECTRICAL PARTS ■ WARNING ● Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. ● s 印のある部分は、安全確保部品を示しています。部品の交換が必要な場合、パーツリストに記載されている部品を使用してください。 ●部品価格ランクは、予告なく変更することがあります。 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS: C.A.EL.CHP C.CE C.CE.ARRAY C.CE.CHP C.CE.ML C.CE.M.CHP C.CE.SAFTY C.CE.TUBLR C.CE.SMI C.EL C.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. DSP Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. DSP * * PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. DSP & P.C.B. FUNCTION Schm Ref. PART NO. R18 R40 R52 R63 R104 R105 R111 R194 R195 ST1 U1 U2 U3 U4 XL1 HV753100 V8070000 HV753100 HV753100 V8070000 HV753100 HV753100 HV753220 HV753220 V4040500 WB001600 WB001400 WB001400 WB001400 V3625700 R.CAR.FP R.MTL.FLM R.CAR.FP R.CAR.FP R.MTL.FLM R.CAR.FP R.CAR.FP R.CAR.FP R.CAR.FP SCR.TERM CN.PHOT.SN CN.PHOT.SN CN.PHOT.SN CN.PHOT.SN RSNR.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 P.C.B. FUNCTION PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION * * Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 P.C.B. FUNCTION * * * PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION * * Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 P.C.B. FUNCTION PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION * * Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION * * PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. FUNCTION Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 P.C.B. FUNCTION & P.C.B. OPERATION PART NO. R717 R908 R910 R916 ST501 SW901 T601 T601 T601 T602 T602 T602 XL501 XL502 HV753100 HV755270 HV755270 HV754100 V4040500 V3624300 WC716600 WC716600 WC716700 WC716800 WC716800 WC716900 WA674700 V3930900 R.CAR.FP R.CAR.FP R.CAR.FP R.CAR.FP SCR.TERM SW.SLIDE COIL COIL COIL COIL COIL COIL RSNR.CE RSNR.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. OPERATION RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 Schm Ref. * Q805 Q806 ST871 ST881 SW801 SW802 SW803 SW804 SW806 SW807 SW808 SW809 SW810 SW811 SW812 SW813 SW814 SW815 SW816 SW817 SW818 SW819 SW820 SW821 SW861 U801 V801 * * CB801 CB802 CB803 CB804 CB861 CB863 CB866 CB871 C806 C811 C822 C823 C871 C872 C874 C875 D801 D802 D803 PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. OPERATION Schm Ref.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. MAIN Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. MAIN PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. MAIN s s s s s * s s s s s s s s Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. MAIN * * * * * * * s s s s s PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. MAIN s s s s s s s *s *s s s s *s s s s * * s s Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. MAIN Schm Ref.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. POWER RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 * * * * * * * * * * *s *s * * Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. POWER * * s s s s s s s s PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 P.C.B. POWER & P.C.B. SUBTRANS Schm Ref. PART NO. Q327 R346 R347 R348 R349 R350 R386 * s SW291 * s SW291 V3966800 HV755100 HV755100 HV755100 HV755100 HV755100 HV755100 WB493700 WD073700 TR R.CAR.FP R.CAR.FP R.CAR.FP R.CAR.FP R.CAR.FP R.CAR.FP VOLT.SELCT VOLT.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550 HTR-5750 RX-V450/HTR-5740/DSP-AX450 DSP-AX450 P.C.B. SUBTRANS & P.C.B. VIDEO PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 CHIP PARTS Schm Ref. PART NO.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 Parts List for Carbon Resistors CHIP PARTS Schm Ref. * * PART NO. RD358220 RD358470 RD358680 RD359100 RF354820 RF355820 RF356130 RF356470 RF356560 RF356680 RF357200 RF357470 Description R.CHP R.CHP R.CHP R.CHP R.CAR.CHP R.CHP R.CHP R.CHP R.CHP R.CHP R.CHP R.CHP 220KΩ 470KΩ 680KΩ 1MΩ 82Ω 820Ω 1.3KΩ 4.7KΩ 5.6KΩ 6.
A B C D E F G H I J RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 1 ■ REMOTE CONTROL RAV250: RX-V550 (U, C, A, L, R, T, K models), HTR-5750, RX-V450/HTR-5740 (U, C, A, L, R, T, K models), DSP-AX450 RAV251: RX-V550 (B, G, E models) ● SCHEMATIC DIAGRAM VBAT IC1 VDD PA0 D3 D4 D5 VB2 C1 470µ VDD + VDD C2 0.
A B C D E F G H I J RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 1 ■ REMOTE CONTROL RAV302: RX-V450/HTR-5740 (B, G, E models) ● SCHEMATIC DIAGRAM Key No. R3 0Ω OPEN 2 3 4 5 R1 2Ω (1/4W) 6 D1 MIE-554A2 7 R2 8 22Ω Q1 2SC3440 3 C3 9 P0D2 P1A2 P0D3 P0D1 P1B0/INT P0D0 P0E1 P0E2 P0E3 REM VDD 0.1µF 10 X1 T1 11 4MHz 12 D3 2 IC2 4 R4 13 14 1 XOUT P0C2 P0C1 P0C0 P0B3 P0B2 P0B1 XIN P0B0 GND P0A3 RESETPU P0A2 P1A0 P0A1 28 27 26 25 24 C4 0.
RX-V550/HTR-5750 RX-V450/HTR-5740/DSP-AX450 RX-V550/HTR-5750 AX-V450/HTR-5740/DSP-AX450 126