Sony TRINITRON KV-32WS4A Service Manual
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Sony TRINITRON KV-32WS4A Service Manual

Sony TRINITRON KV-32WS4A Service Manual

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Summary of Contents for Sony TRINITRON KV-32WS4A

  • Page 2 KV-32WS4 SPECIFICATIONS [FRONT] Picture Tube Super Trinitron WIDE Approx. 82 cm (32 inches) 3 Video input - phono jack (Approx. 76 cm picture measured 3 Audio inputs - phono jacks diagonally) 110˚ deflection 3 S video input - 4 pin DIN Headphones jack: stereo minijack Rear/Front Terminals Sound output...
  • Page 3 KV-32WS4 [RM-862] Remote control system Infrared control Power requirements 3V dc (2 batteries) R6 (size AA) Dimensions Approx. 210x56x24 mm (w/h/d) Weight Approx. 110g (Not including battery) Design and specifications are subject to change without notice. l i o y t i a i l WARNING ( KV-32WS4U only )
  • Page 4 KV-32WS4 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 17: Disassembly

    SECTION 2 DISASSEMBLY 2-2. SPEAKER REMOVAL 2-1. REAR COVER REMOVAL 2-3. CHASSIS ASSY REMOVAL Five screws (BVTP 4x16) Rear Cover 2-5. G BOARD REMOVAL 2-4. SERIVCE POSITION Push the claw of the bracket in the direction of the arrow and remove.

  • Page 18: A Board Removal

    2-6. A BOARD REMOVAL 2-7. PICUTRE TUBE REMOVAL Push the claw of the bracket in the direction of the arrow and remove. DGC clips Degaussing coil Chassis Spring tension Speaker C board Two screws Neck assy DGC clips Deflection yoke DGC clips Four tapping •...

  • Page 19: Removal And Replacement Of

    REMOVAL AND REPLACEMENT OF THE MAIN-BRACKET For safety reasons, on no account should the plates be removed BOTTOM PLATES. and not refitted after servicing. (1) REMOVING THE PLATES (2) REFITTING THE PLATES Because the plates differ in size it is important that the correct plates are refitted in their In the event of servicing being required to the solder side of the D Board printed original location.

  • Page 20: Set-Up Adjustments

    KV-32WS4 SECTION 3 SET-UP ADJUSTMENTS • Carry out the following adjustments in this order: • When complete readjustment is necessary or a new picture 3-1. Beam landing tube is installed, carry out the following adjustments. 3-2. Convergence • Unless there are specific instructions to the contrary, carry 3-3.

  • Page 21: Convergence

    KV-32WS4 Green Blue Fig.3-4 Disk magnets or H.STAT V.STAT rotatable disk convergence Magnete statico verticale magnets correct Purity control corrects control these areas (a-d). this area. C Board RV704 (H.STAT) RV701 H.STAT convergence Screen (G2) Deflection yoke positioning • If the horizontal dots are unable to coincide with the corrects these areas variable range of the H.STAT convergence, adjust together with the V.STAT convergence while tracking.
  • Page 22 KV-32WS4 3By rotating the V.STAT magnet clockwise, the red, green Layout of each control and blue dots move as shown below. Purity magnet BMC (Hexapole) magnet V.STAT convergence magnet Y-splitting axis correction magnet 4By opening or closing the V.STAT magnet, the red, green and blue dots move as shown below.

  • Page 23: Focus

    KV-32WS4 3-3. Focus Video Proc. TDA4780 1. Receive a television broadcast signal. 2. Normalize the picture setting. 3. Adjust the focus control on the flyback transformer for the best focus at the center of the screen. Bring only the center area of the screen into focus, the magenta-ring appears on the screen.

  • Page 24: Circuit Adjustments

    KV-32WS4 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ELECTRICAL ADJUSTMENTS Service adjustment to this model can be performed with the supplied remote commander, RM-862. HOW TO ENTER INTO SERVICE MODE Turn on the main power switch of the set while pressing the PROG + (plus) and PROG (minus) buttons on the front panel.
  • Page 25 KV-32WS4 SDA9361 (VIDEO PROC.) " 5 " 9 " 8 " 2 " 5 " 9 " 8 " 2 — 25 —...
  • Page 26 KV-32WS4 TDA4780 (VIDEO PROC.) — 26 —...
  • Page 27 KV-32WS4 V SIZE DEFLECTION SYSTEM ADJUSTMENT Enter into the service mode and select 'Deflect cont.'.The 'Deflect cont. SDA9361' adjustment menu will be displayed. V POS Select and adjust each item in order to get an optimum image. V LIN H SIZE H PIN CUSH H TILT H UP COR...

  • Page 28: Volume Electrical Adjustments

    KV-32WS4 4-2. VOLUME ELECTRICAL ADJUSTMENTS Sub Brightness Adjustment Enter Service Mode (Device Menu). Select 'SUB ADJUST MENU'. Adjust the value according to the following advice. Sub Color Adjustment Input a PAL color bar signal. Connect an oscilloscope to CN3703. Enter into 'SERVICE MODE'. Choose 'SUB ADJUST'.

  • Page 29: Test Mode 2

    KV-32WS4 4-3. TEST MODE 2: Is available by pressing the Test button twice, OSD “TT” appears. The functions described below are available by pressing the two numbers. To release Test Mode 2, press 0, 10, 20 ... twice or switch the TV into Standby Mode. Pressing the two Local Control buttons ( + and – ) during Power ON will also switch into "TT"...
  • Page 30 KV-32WS4 I l l SDA9361 — 30 —...

  • Page 31: Diagrams

    SECTION 5 DIAGRAMS BLOCK DIAGRAM (1) BLOCK DIAGRAM (2) KV-28WF3B, IC303 KV-32WF3B ONLY KV-28WF3 AND AV INPUT/OUTPUT INTERFACE,COLOUR DECODER, DELAY KV-32WF3 ONLY IC1002 ROM IC1001 LINE SOUND PROCESSOR, DOLBY NOISE REDUCTION, TV SYSTEM (1/2) MICRO CONTROLLER MICRO CONTROLLER, MEGA TEXT FILTER CN101(2/2) Q103,104,106...
  • Page 32 BLOCK DIAGRAM (3) BLOCK DIAGRAM (4) J1200 CN0743 H OUT DRIVE Q801 T801 T802 CN0745 H-PULSE CN0001 H DAMP IC801 D802,803 H DY DI-MOD PIN DRIVE FOR SERVICE V DY Q803 +135V CN0723 CN0703 S601 DISABLE DISABLE CN0772 D804 POWER IC260 T603 AUDIO SELECTOR...
  • Page 33 BLOCK DIAGRAM (5) BLOCK DIAGRAM (6) IC705 POWER ON A/D, D/A CONVERTER, DIGITAL NOISE SWITCH VIDEO OUT (RED) REDUCER, CRT DRIVER, (RGB OUT) +12V IC1809 D707, Q705 DEFLECTION PROCESSOR IC1824 DIGITAL NOISE CN0403 TO D BOARD CUT-OFF +5V REG REDUCE ZOOMING FV (T805) D410,Q415,416 J701...

  • Page 45: Block Diagram (6)

    WAVEFORMS A BOARD SECAM 1.0 Vp-p (H) 1.0 Vp-p (H) 2.0 Vp-p (H) SECAM SECAM 2.0 Vp-p (H) 1.0 Vp-p (H) 1.2 Vp-p (H) 0.6 Vp-p (H) 0.7 Vp-p (H) 4.5 Vp-p (H) 1.0 Vp-p (H) 1.0 Vp-p (H) 1.4 Vp-p (H) 1.5 Vp-p (H) 1.0 Vp-p (H) WAVEFORMS C BOARD...
  • Page 46 WAVEFORMS D BOARD 3.5 Vp-p (2H) 210 Vp-p (2H) 11 Vp-p (2H) 1.1K Vp-p (2H) 10 Vp-p (2H) 62 Vp-p (2H) 100 Vp-p (2H)

  • Page 47: Block Diagram (7)

    5-4 SEMICONDUCTORS BA7046F LM2940CT-9.0 M27C4001-15C1-AE406 SAA4952WP/V1 BA7046F-T1 LM2940T-8.0 M27C4001-15C1 MB3793-42NF LM2940T-9.0 1 32 1 44 MB3793-42NF-ER L4941BV NJM2240M TEA7605 NJM2240M(TE2) ( TOP VIEW ) ( TOP VIEW ) ( TOP VIEW ) SDA9361 LM393P PC123F2 CXA1855Q-T6 M5216P PC123FY2 ST24C16FB6 TDA2822M UPC393C ( TOP VIEW ) CXA1875AM-T4...

  • Page 48: Block Diagram (8)

    TC4S66F TDA9143/N2 IMZ1A-T109 2SA1837 TC4S66F-TE85L TDA9144/N2 TDA9170T ( TOP VIEW ) TDA4665T-T TMS4C2972-26DTR TMS4C2972-28DTR 2SC2500-B IRF614 2SC2551-O IRF620 2SC2551O-TPE2 ( TOP VIEW ) ( TOP VIEW ) TDA6111Q TDA6111Q/N4 E C B U2860B-BFPG3 74LVC08D 2SC2688-LK 2SC3840K DTA144EK DTC144EK ( TOP VIEW ) DTA144EK-T146 DTC144EK-T146 DTC114EK...
  • Page 49 2SC4834NP-F09 D1NL20 R2K-V1 ERC38-06 MA73-TX D1NL20-TA RGP02-20EG23 D1NL20-TR RGP02-20EL-6394 CATHODE EGP20G RGP10GPKG23 EL1Z RGP15GPKG23 GP08D S2LA20F GP08DPKG23 1SS133T-77 MTZJ-T-77-9.1 1SS83 ANODE MTZJ-T-77-9.1A 1SS83TD RD12SB2 CATHODE UDZ-TE-17-12B ERD08M-15 2SD2396H ANODE ANODE CATHODE D10SC4M S1VB20-S CATHODE S1VB40 ANODE DAN202K DAN202K-T-146 ESAC39M-06C ESAC39M-06CF38 DAP202K DAP202K-T-146 D4SB60L...

  • Page 50: Circuit Boards Location

    5-5. IC BLOCK DIAGRAMS A Board IC303, TDA4665T-T D Board IC261 TDA2822M SIGNAL LINE SAMPLE CLAMPING MEMORY HOLD SIGNAL SAMPLE LINE CLAMPING MEMORY HOLD FREQUENCY SANDCASTLE DIVIDER PHASE DETECTOR BY 192 DETECTOR 6 MHz DIVIDER BY 2 C Board IC703,704,705 TDA6111Q/N4 D Board IC802 STV9379 MIRROR MIRROR...
  • Page 51 KV-32WS4 5-2. CIRCUIT BOARDS LOCATION Q BOARD : KV-32WS4A,4D,4E,4K.4R AND 4U ONLY 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 52: Exploded Views

    KV-32WS4 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 53: T Board

    KV-32WS4 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 54: Electrical Parts List

    KV-32WS4 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 specified.
  • Page 55 KV-32WS4 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 KV-32WS4 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 57 KV-32WS4 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 58 KV-32WS4 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 59: A Board

    KV-32WS4 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 60 KV-32WS4 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 61 KV-32WS4 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 62 KV-32WS4 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 63 KV-32WS4 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 64 KV-32WS4 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 65 KV-32WS4 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 66 KV-32WS4 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 67 KV-32WS4 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 68 KV-32WS4 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 69: Q Board

    KV-32WS4 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 70 KV-32WS4 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 71 KV-32WS4 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 72 KV-32WS4 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 73 KV-32WS4 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 H1 H2 K specified.
  • Page 74 KV-32WS4 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 J1 T specified.
  • Page 75 KV-32WS4 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 76 KV-32WS4 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.

This manual is also suitable for:

Trinitron kv-32ws4bTrinitron kv-32ws4dTrinitron kv-32ws4eTrinitron kv-32ws4kTrinitron kv-32ws4rTrinitron kv-32ws4u

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