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Sony TRINITRON KV-21X1A Service Manual
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Sony TRINITRON KV-21X1A Service Manual

Sony TRINITRON KV-21X1A Service Manual

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SERVICE MANUAL
MODEL
COMMANDER
KV-21X1A
KV-21X1B
KV-21X1D
KV-21X1E
MICROFILM
DEST.
CHASSIS NO.
RM-836
Italian
SCC-K31B-A
French
RM-836
SCC-K36A-A
RM-836
SCC-K32D-A
AEP
RM-836
SCC-K30B-A
Spanish
MODEL
KV-21X1K
KV-21X1L
KV-21X1R
KV-21X1U
TRINITRON COLOR TV
— 1 —
KV-21X1
BE-5
CHASSIS
DEST.
COMMANDER
CHASSIS NO.
RM-836
OIRT
SCC-K35A-A
RM-836
SCC-K34A-A
Irish
SCC-K35B-A
RM-836
OIRT
SCC-K33A-A
RM-836
UK
R
R

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Summary of Contents for Sony TRINITRON KV-21X1A

  • Page 1 KV-21X1 SERVICE MANUAL BE-5 CHASSIS MODEL MODEL DEST. COMMANDER DEST. CHASSIS NO. COMMANDER CHASSIS NO. KV-21X1A RM-836 Italian SCC-K31B-A RM-836 OIRT SCC-K35A-A KV-21X1K KV-21X1B French KV-21X1L RM-836 SCC-K34A-A RM-836 SCC-K36A-A Irish KV-21X1R KV-21X1D SCC-K35B-A RM-836 OIRT RM-836 SCC-K32D-A KV-21X1U KV-21X1E SCC-K33A-A RM-836 RM-836...
  • Page 2 KV-21X1 SPECIFICATIONS Picture Tube Hi-Black Trinitron Approx. 55 cm (21 inches) (Approx. 51 cm picture measured diagonally) 100˚ deflection Rear/Front Terminals [REAR] [RM-836] Remote control system Infrared control 21-pin Euro connector (CENELEC standard) Power requirements 3V dc (2 batteries) R6 (size AA) Including audio/video input, RGB input Dimensions Approx.
  • Page 3 KV-21X1 l i o y t i a i l s i l WARNING ( KV-21X1L and 21X1U only ) The flexible mains lead is supplied connected to a B.S. 1363 fused plug having a fuse of 5 AMP capacity. Should the fuse need to be replaced, use a 5 AMP FUSE approved by ASTA to BS 1362, ie one that carries the mark.
  • Page 4 KV-21X1 21 pin connector ( ) t f ) t f ± v i t ± v i t ± v i t 1 ± v i t 1 ± v i t 1 ± v i t l i e Connected Not Connected (Open) * at 20Hz - 20kHz...

  • Page 5: Table Of Contents

    DU FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. COMPOSANTS SONY DONT LE NUMÉRO DE PIÉCE EST INDIQUÉ DANS LE PRÉSENT MANUEL OU DANS DES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 14: Disassembly

    KV-21X1 SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL Four screws (BVTP 4x16) One screw (BVTP 4x16) Rear Cover 2-2. SERVICE POSITION A board — 14 —...

  • Page 15: Picture Tube Removal

    KV-21X1 2-3. PICTURE TUBE REMOVAL Degaussing coil Spring tension DGC holder Chassis C board Four PT screws Deflection yoke Anode cap Picture tube Cushion • REMOVAL OF ANODE-CAP Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon paint on the CRT, after removing the anode. Note: * REMOVING PROCEDURES.

  • Page 23: Self Diagnostic Software

    KV-21X1 4-3. BE-5 SELF DIAGNOSTIC SOFTWARE The identification of errors within the BE-5 chassis is triggered in 1 of 2 ways :- 1: Bus busy or 2: Device failure to respond to I C. In the event of one of these situations arising the software will first try to release the Bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each relevant device in turn to establish if a device is faulty.

  • Page 40: Circuit Boards Location

    KV-21X1 5-2. CIRCUIT BOARDS LOCATION 5-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS Reference information Note : All capacitors are in µF unless otherwise noted. pF: µµF • RESISTOR : RN METAL FILM 50WV or less are not indicated except for electrolytic and : RC SOLID tantalums.

  • Page 41: Semiconductors

    KV-21X1 5-4. SEMICONDUCTORS L4941BV PC123F2 STV9379 DTA144ESA LM78080CT PC123FY2 DTA144ESA-TP MC7808CT DTC114EK TEA7605 DTC114EKA-T146 TL750L05CLPR DTC143TKA-T146 DTC144EKA-T146 2SA1037K-T-146-R 2SA1162-G 2SC2412K-QR 2SC2412K-T-146-R PST572D PST572D-T TDA2822M TEA2124 S2000N-16E305A MC44002P 1 Ground 2 Input 3 Output ( TOP VIEW ) SBX1981-51 (TOP VIEW) TDA7264 MC44140P 2SA1667...
  • Page 42 KV-21X1 2SC2785-HFE SEL1210S-CD DAN202K HZT33-02RE DAN202K-T-146 SEL1210S-D UPC574J CATHODE ANODE DAP202K DAP202K-T-146 2SC2808STP-R DTZ5.1B DTZ9.1 2SC3209LK RD5.6S-B 2SC3209LK-TP UDZ-TE-17-5.1B 2SD774-T-4 UDZ-TE-17-5.6B 2SD774-34 UDZ-TE-17-9.1B ANODE CATHODE ERA81-004TP1 MTZJ-T-77-9.1C ERA83-006 MTZJ-12A 2SC4793 MTZJ-T-77-12A MTZJ-33C 2SD1763A MTZJ-T-77-33C RD3.9ES-B2 MTZJ-T-77-3.9B MTZJ-6.2B MTZJ-T-77-5.1 RD5.1ES-B1 MTZJ-T-77-5.6C RD5.6ESB2 MTZJ-T-77-6.2 RD6.8ES-B2...

  • Page 43: Exploded Views

    KV-21X1 SECTION 6 EXPLODED VIEWS NOTE : • Items with no part number and no description are not stocked because they The components identified by Les composants identifies par une are seldom required for routine service. shading and marked are critical trame et une marque sont •...

  • Page 44: Picture Tube

    KV-21X1 6-2. PICTURE TUBE The components identified by Les composants identifies par une shading and marked are critical trame et une marque sont critiques pour la securite. for safety. Replace only with the part number Ne les remplacer que par une piece specified.

  • Page 45: Electrical Parts List

    KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont SECTION 7 for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece ELECTRICAL PARTS LIST specified.
  • Page 46 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 47 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 48 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 49 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 50 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 51 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 52 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 53 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 54 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece C H1 H2 H3 specified.
  • Page 55 KV-21X1 The components identified by Les composants identifies par shading and marked are critical une trame et une marque sont for safety. critiques pour la securite. Replace only with the part number Ne les remplacer que par une piece specified. portant le numero specifie.
  • Page 56 Ne les remplacer que par une piece specified. portant le numero specifie. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK Sony Corporation English Consumer A & V Products Company 96GP71XX-1 9-974-938-01 TV & Display Products Div. Printed in U.K. © 1996.7 — 66 —...

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