Table of Contents
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SERVICE MANUAL
MODEL
COMMANDER
KV-20WS1A
KV-20WS1B
KV-20WS1D
KV-20WS1E
MICROFILM
DEST.
CHASSIS NO.
RM-836
Italian
SCC-K31F-A
RM-836
French SCC-K36F-A
RM-836
AEP
SCC-K32H-A
RM-836
Spanish SCC-K30H-A
MODEL
KV-20WS1K
KV-20WS1R
KV-20WS1U
TRINITRON COLOR TV
— 1 —
KV-20WS1
BE-5
CHASSIS
DEST.
COMMANDER
RM-836
OIRT
SCC-K35M-A
RM-836
OIRT
SCC-K35L-A
RM-836
UK
SCC-K33D-A
MENU
PROGR
RM-836
R
CHASSIS NO.
R
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Table of Contents
Related Manuals for Sony TRINITRON KV-20WS1A
Summary of Contents for Sony TRINITRON KV-20WS1A
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Page 1: Service Manual
KV-20WS1 SERVICE MANUAL BE-5 CHASSIS MODEL MODEL DEST. COMMANDER DEST. CHASSIS NO. COMMANDER CHASSIS NO. KV-20WS1A RM-836 Italian SCC-K31F-A KV-20WS1K RM-836 OIRT SCC-K35M-A RM-836 French SCC-K36F-A RM-836 OIRT SCC-K35L-A KV-20WS1B KV-20WS1R RM-836 SCC-K33D-A KV-20WS1D RM-836 SCC-K32H-A KV-20WS1U KV-20WS1E RM-836 Spanish SCC-K30H-A... - Page 2 KV-20SW1 a i l SPECIFICATIONS Picture Tube Super Trinitron Wide Approx. 49 cm (20 inches) (Approx. 46 cm picture measured diagonally) 86˚ deflection Rear/Front Terminals [REAR] Dimensions 519x417x401 mm approx. 21-pin Euro connector (CENELEC standard) Weight Approx. 19 kg Including audio/video input, RGB input Supplied accessories RM-836 Remote Commander (1) IEC designated batteries (2) 2 Video input - phono jack...
- Page 3 KV-20WS1 l i o y t i a i l s i l WARNING ( KV-20WS1U 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-20SW1 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...
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Page 5: Table Of Contents
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DU FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES COMPOSANTS SONY DONT LE NUMÉRO DE PIÉCE EST INDIQUÉ PUBLISHED BY SONY. DANS LE PRÉSENT MANUEL OU DANS DES SUPPLÉMENTS PUBLIÉS PAR SONY. -
Page 14: Disassembly
KV-20SW1 SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL Four screws (BVTP 4x16) Rear Cover 2-2. SERVICE POSITION A board — 14 —... -
Page 15: Picture Tube Removal
KV-20WS1 2-3. PICTURE TUBE REMOVAL Two DGC holders Degaussing coil Spring tension Chassis C board Deflection yoke H Board Four PT screws Neck Assembly 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 16: Set-Up Adjustments
KV-20WS1 SECTION 3 SET-UP ADJUSTMENTS • The following adjustments should be made when a complete Perform the adjustments in the following order: 1. Beam Landing realignment is required or a new picture tube is installed. • These adjustments should be performed with the rated 2. -
Page 17: Convergence
KV-20WS1 3-2. CONVERGENCE (1) Static Convergence (2) Corner Convergence Adjustment 1. Input a dot pattern from the pattern generator and adjust the 1. If the sides of the screen are misconverged then adjust by picture to normal. tilting the deflection yoke up, down or in the left or right 2. -
Page 18: Sub Colour And Sub Brightness
KV-20WS1 3-3. SCREEN (G2), DRIVE, WHITE BALANCE, Sub Colour Adjustment SUB COLOUR and SUB BRIGHTNESS. 1. Input a PAL colour bar pattern from the pattern generator. 2. Connect an oscilloscope to Pin 3 of J701 (B OUT) on the C Board. 3. -
Page 19: Circuit Adjustments
System Text 00-63 00-63 V1 00-01 SONY BE-5 Software version 4. Press the Blue (Next) or Green (previous) buttons to select the adjustment item from the table. 5. Press the Yellow (+) or Red (-) buttons to change the data as required. -
Page 20: Test Mode 2
KV-20WS1 4-2. TEST MODE 2: TT -- Mode is available by pressing the Test button twice, O.S.D 'TT --' appears. The functions described below are available by pressing two digits. To release the 'TT --' mode, press 0 twice, press 'TEST' , press 'TV' or switch the TV into Stand-by mode. c t i —... - Page 21 KV-20WS1 VERT, AMPL DEFLECTION SYSTEM ADJUSTMENT 1. Enter into the service mode. 2. Using the Blue or Green buttons select the Adjust item. 3. Press the Yellow button to enter the adjustment submenu. V, LINEAR 4. Select and adjust each item in order to obtain the optimum image.
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Page 22: Self Diagnostic Software
KV-20WS1 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 27: Semiconductors
KV-20WS1 5-4. SEMICONDUCTORS L4941BV PC123F2 STV9379 DTA144ESA LM7808CT PC123FY2 DTA144ESA-TP MC7808CT DTC114EK TEA7605 DTC114EKA-T146 TL750L05CLPR DTC143TKA-T146 DTC144EKA-T146 2SA1037K-T-146-R 2SA1162-G 2SC2412K-QR PST572D 2SC2412K-T-146-R PST572D-T TDA2822M TEA2124 1 Ground MC44002P 2 Input DTA114ES 3 Output DTC114ES-TP SBX1981-51 ( TOP VIEW ) (TOP VIEW) TDA7264 MC14538BCP MC44140P... - Page 28 KV-20WS1 BYD33G HZT33-02RE 2SC2389STP-R ERA81-004TP1 MTZJ-33C BYD33G-AMMO UPC574J ERA83-006 MTZJ-7.5B ERC06-15S LETTER SIDE MTZJ-T-77-5.6C RD3.9ES-B2 MTZJ-T-77-6.8A RD5.6ESB2 MTZJ-T-77-6.8C RD6.8ES-B2 CATHODE MTZJ-T-77-33C RD7.5ESB2 MTZJ-T-77-3.9B RD9.1ES-B3 MTZJ-T-77-7.5C 1SS133T-77 MTZJ-T-77-9.1C CATHODE ANODE DAN202K ANODE 2SC2785-HFE DAN202K-T-146 GBU4JL-6088 DAP202K DAP202K-T-146 2SC2808STP-R LR5360HL CATHODE ANODE 2SC3209LK-TP DTZ5.1B UDZ-TE-17-5.1B...
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Page 32: Picture Tube
KV-20WS1 6-2. PICTURE TUBE The components identified by Les composants identifies par une shading and marked are critical 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. -
Page 33: Electrical Parts List
REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK C034 1-164-004-11 CERAMIC CHIP 0.1MF *A-1632-654-A A BOARD, COMPLETE (KV-20WS1A) C035 1-164-232-11 CERAMIC CHIP 0.01MF ***************** C036 1-126-965-11 ELECT 22MF *A-1632-655-A A BOARD, COMPLETE (KV-20WS1B) C037 1-164-346-11 CERAMIC CHIP 1MF... - Page 34 KV-20WS1 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 35 KV-20WS1 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 36 1-410-985-11 INDUCTOR CHIP 0.22UH L501 1-412-525-31 INDUCTOR 10UH < IC > L609 1-414-743-21 INDUCTOR 47UH IC001 8-759-495-43 IC SDA5255-A031 L611 1-414-743-21 INDUCTOR 47UH (KV-20WS1A/20WS1B/20WS1D/ L612 1-412-522-41 INDUCTOR 5.6UH 20WS1E/20WS1K/20WS1U) L613 1-412-522-41 INDUCTOR 5.6UH 8-759-495-42 IC SDA5255-A032 (KV-20WS1R) L800 1-412-553-11 INDUCTOR 3.3MMH...
- Page 37 KV-20WS1 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 38 KV-20WS1 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 39 KV-20WS1 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 40 8-729-119-78 TRANSISTOR 2SC2785-HFE < TUNER > Q702 8-729-119-78 TRANSISTOR 2SC2785-HFE Q703 8-729-119-78 TRANSISTOR 2SC2785-HFE TU101 1-693-338-11 TUNER/VIF (AEP) Q704 8-729-906-70 TRANSISTOR BF871-127 (KV-20WS1A/20WS1D/20WS1E Q705 8-729-906-70 TRANSISTOR BF871-127 /20WS1K/20WS1R) 1-693-340-11 TUNER/VIF (FR) (KV-20WS1B) Q706 8-729-906-70 TRANSISTOR BF871-127 1-693-339-11 TUNER/VIF (UK) (KV-20WS1U)
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Page 41: H Board,
KV-20WS1 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 42: K Board,
*4-039-905-02 BAG, PROTECTION CN225 *1-568-882-51 PIN, CONNECTOR 7P *4-203-715-01 INDIVIDUAL CARTON *4-203-716-01 CUSHION (UPPER) (ASSY) < DIODE > *4-203-719-01 CUSHION (LOWER) (ASSY) 4-203-822-41 MANUAL, INSTRUCTION (KV-20WS1A) D201 8-719-110-14 DIODE RD9.1ES-B3 (ITALIAN) D202 8-719-109-97 DIODE RD6.8ES-B2 4-203-822-51 MANUAL, INSTRUCTION (KV-20WS1B) < IC >... - Page 43 KV-20WS1 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 44 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 Sony UK 97IP71108-1 Service Promotions Div. 9-974-960-01 Printed in U.K. © 1997.9 — 60 —...