Service manual

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13K-M100/150

CK13M10/15

SERVICE MANUAL

Page

æ ELECTRICAL SPECIFICATIONS ........................................................................................... 1

æ IMPORTANT SERVICE SAFETY PRECAUTION ................................................................... 2

æ LOCATION OF USER'S CONTROL ....................................................................................... 6

æ INSTALLATION AND SERVICE INSTRUCTIONS .................................................................. 7

æ CHASSIS LAYOUT ............................................................................................................... 13

æ BLOCK DIAGRAM ................................................................................................................ 14

æ DESCRIPTION OF SCHEMATIC DIAGRAMS ..................................................................... 15

æ SCHEMATIC DIAGRAMS ..................................................................................................... 16

æ PRINTED WIRING BOARD ASSEMBLIES .......................................................................... 19

æ REPLACEMENT PARTS LIST .............................................................................................. 23

æ PACKING OF THE SET ........................................................................................................ 30

CONTENTS

In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its

original condition and only parts identical to those specified should be used.

POWER INPUT ........................... 120 V AC 60 Hz

POWER RATING .......................................... 69 W

PICTURE SIZE ..................... 580cm

(89.9sq inch)

CONVERGENCE .................................... Magnetic

SWEEP DEFLECTION ........................... Magnetic

FOCUS....................... Hi-Bi-Potential Electrostatic

INTERMEDIATE FREQUENCIES

Picture IF Carrier Frequency............. 45.75 MHz

Sound IF Carrier Frequency ............. 41.25 MHz

Color Sub-Carrier Frequency ............ 42.17 MHz

(Nominal)

AUDIO POWER

OUTPUT RATING ........ 0.9W (at 10% distortion)

SPEAKER

SIZE ................................................ 8cm(Round)

VOICE COIL IMPEDANCE ....... 8ohm at 400 Hz

ANTENNA INPUT IMPEDANCE

VHF/UHF ............................75 ohm Unbalanced

TUNING RANGES

VHF-Channels .......................................2thru 13

UHF-Channels .....................................14thru 69

CATV Channels....................................1thru 125

USA: (EIA, Channel Plan)

ELECTRICAL SPECIFICATIONS

Specifications are subject to change without prior

notice.

13K-M100/150

CK13M10/15

COLOR TELEVISION

Chassis No. SN-80

MODELS

SHARP CORPORATION

This document has been published to be used for

after sales service only.

The contents are subject to change without notice.

S28L513K-M100

Summary of content (24 pages)

PAGE 1
3K-M100/150 CK13M10/15 SERVICE MANUAL S28L513K-M100 COLOR TELEVISION Chassis No. SN-80 13K-M100/150 CK13M10/15 MODELS In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its original condition and only parts identical to those specified should be used. ELECTRICAL SPECIFICATIONS POWER INPUT ........................... 120 V AC 60 Hz POWER RATING .......................................... 69 W PICTURE SIZE ..................... 580cm2(89.
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13K-M100/150 CK13M10/15 IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and servicing guidelines which follow: WARNING X-RADIATION AND HIGH VOLTAGE 1. For continued safety, no modification of any circuit should be attempted. 2. Disconnect AC power before servicing. 3. Semiconductor heat sinks are potential shock hazards when the chassis is operating. 4.
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13K-M100/150 CK13M10/15 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) RETBEFOREURNING THE RECEIVER æ (Fire & Shock Hazard) Before returning the receiver to the user, perform the following safety checks. 1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the receiver. 2.
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13K-M100/150 CK13M10/15 PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT 1. N'entreprendre aucune modification de tout circuit. C'est dangereux. 2. Débrancher le récepteur avant toute réparation. 3. Les déversoirs thermiques à semi-conducteurs peuvent présenter un danger de choc électrique lorsque le réceqteur est en marche. 4.
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13K-M100/150 CK13M10/15 PRECAUTIONS A PRENDRE LORS DE LA REPARATION (Suite) VERIFICATIONS CONTRE L'INCEN-DIE ET LE CHOC ELECTRIQUE æ Avant de rendre le récepteur à l'utilisateur, effectuer les vérifications suivantes. 1. Inspecter tous les faisceaux de câbles pour s'assurer que les fils ne soient pas pincés ou qu'un outil ne soit pas placé entre le châssis et les autres pièces métalliques du récepteur. 2.
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13K-M100/150 CK13M10/15 LOCATION OF USER'S CONTROL 6
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13K-M100/150 CK13M10/15 INSTALLATION AND SERVICE INSTRUCTIONS Note: (1) (2) When performing any adjustments to resistor controls and transformers use non-metallic screwdriver or TV alignment tools. Before performing adjustment, TV set must be on at least 15 minutes. CIRCUIT PROTECTION The receiver is protected by a 4.0A fuse (F701), mounted on PWB-A, wired into one side of the AC line input. X-RADIATION PROTECTOR CIRCUIT TEST 1.
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13K-M100/150 CK13M10/15 For adjustments of this model, the bus data is convered to various analog signals by the D-A converter circuit. Note: There are still a few analog adjustments in this series such as focus and master screen voltage. Follow the steps below whenever service adjustment is required. See Figure "B" to determine if service adjustments are required. 1.Service mode Before putting unit into the service mode, check, that customer adjustments are in the normal mode.
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13K-M100/150 CK13M10/15 SERVICE NUMBER S01 S02 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 DATA ADJUSTMENT ITEM INITIAL VALUE RANGE PICTURE TINT COLOR BRIGHTNESS SHARPNESS VERTICAL PHASE HORIZONTAL PHASE RF-AGC VERTICAL AMP VCO R CUT-OFF G CUT -OFF B CUT-OFF G GAIN B GAIN TRAP(3.58MHz) BALANCE C.C.
PAGE 10
13K-M100/150 CK13M10/15 Ë adjustment VCO Adjustment 1. Connect a digital voltmeter between pin (44) of IC201 and ground. 2. Select a good local channel. 3. Enter the service mode. select adjustment "S10". 4. Adjust the data so that digital voltmeter should read 2.2V 5. Adjustment is complete, remove the volt-meter, return to "normal" mode. RF AGC Adjustment 1. Have unit receive a good local channel. 2. Enter the service mode and select service adjustment "S08". 3.
PAGE 11
13K-M100/150 CK13M10/15 Sub-color adjustment Horizontal position adjustment 1. Have unit receive a good local channel. 2. Make sure the customer color control is set to center position . 3. Enter the service mode and select service adjustment "S03". 4. Adjust "S03"data value to obtain normal color level. 1. Have unit receive a good local channel. 2. Enter the service mode and select service adjustment "S07". 3. Adjust "S07" data value so that picture is centered. Sub-brightness adjustment 1.
PAGE 12
13K-M100/150 CK13M10/15 Memo 12
PAGE 13
K-M100/150 CK13M10/15 13K-M100/150 CK13M10/15 CHASSIS LAYOUT BLOCK DIAGRAM H H G G F F E E D D C C B B A A 1 2 3 4 13 5 6 1 2 3 4 14 5 6
PAGE 14
13K-M100/150 CK13M10/15 13K-M100/150 CK13M10/15 DESCRIPTION OF SCHEMATIC DIAGRAM NOTE: H 1. The unit of resistance "ohm" is omitted (K:1000 ohms, M:1 Meg ohm). 2. All resistors are 1/8 watt, unless otherwise noted. 3. All capacitors are µ F, unless otherwise noted P: µµ F. 4. (G) indicates ±2% tolerance may be used. 5. indecates line isolated ground. G 6. indecates hot ground. VOLTAGE MEASUREMENT CONDITIONS: 1.
PAGE 15
13K-M100/150 CK13M10/15 13K-M100/150 CK13M10/15 SCHEMATIC DIAGRAM:MAIN Unit H G F E D C B A 1 2 3 4 17 5 6 7 8 9 10 18 11 12
PAGE 16
13K-M100/150 CK13M10/15 13K-M100/150 CK13M10/15 PRINTED WIRING BOARD ASSEMBLIES H G F PWB-B:CRT Unit (Wiring Side) E D C B A PWB-A:MAIN Unit (Wiring Side) 1 2 3 19 4 5 6 7 8 9 10 20 11 12
PAGE 17
13K-M100/150 CK13M10/15 13K-M100/150 CK13M10/15 H G F E D C B A PWB-A:MAIN Unit (Chip Parts Side) 1 2 3 4 21 5 6 7 8 9 10 22 11 12
PAGE 18
13K-M100/150 CK13M10/15 13K-M100/150 CK13M10/15 PARTS LIST LISTE DES PIECES PARTS REPLACEMENT CHANGE DES PIECES Replacement parts which have these special safety characteristics identified in this manual ; electrical components having such features are identified by å and shaded areas in the Replacement Parts Lists and Schematic Diagrams.
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13K-M100/150 CK13M10/15 Ref. No. Part No. ★ Description Code Ref. No.
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13K-M100/150 CK13M10/15 Ref. No. ★ Part No. Description Code Ref. No.
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13K-M100/150 CK13M10/15 Ref. No. Part No. ★ Description Code Ref. No.
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13K-M100/150 CK13M10/15 Ref. No. ★ Part No. Description Code Ref. No.
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13K-M100/150 CK13M10/15 Ref. No. ★ Part No. Description Code Ref. No.
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13K-M100/150 CK13M10/15 Ref. No. Part No. ★ Description Code Ref. No. ★ Part No. Description Code PACKING OF THE SET ★ Polystyrene Bag Operation manual Guarantee Card and batteries ★Polystyrene mat ★ Buffer material FRONT ★ Packing case Use tapes to fix the packing case.