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Sony TRINITRON KV-32FX20A Service Manual
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Sony TRINITRON KV-32FX20A Service Manual

Be-3e chassis
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SERVICE MANUAL

MODEL
KV-32FX20A
KV-32FX20B
KV-32FX20D
M I C R O F I L M
COMMANDER
DEST
CHASSIS NO.
RM-887
Italian
SCC-Q22B-A
RM-887
French
SCC-Q23B-A
RM-887
AEP
SCC-Q21B-A
MODEL
KV-32FX20E
KV-32FX20U
TRINITRON
1
BE-3E
CHASSIS
COMMANDER
DEST
CHASSIS NO.
RM-887
Spanish
SCC-Q24B-A
RM-887
UK
SCC-Q25B-A
COLOR TV
®
®

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Summary of Contents for Sony TRINITRON KV-32FX20A

  • Page 1: Service Manual

    SERVICE MANUAL BE-3E CHASSIS MODEL MODEL COMMANDER DEST CHASSIS NO. COMMANDER DEST CHASSIS NO. KV-32FX20A KV-32FX20E RM-887 Italian SCC-Q22B-A RM-887 Spanish SCC-Q24B-A KV-32FX20B KV-32FX20U RM-887 French SCC-Q23B-A RM-887 SCC-Q25B-A KV-32FX20D RM-887 SCC-Q21B-A TRINITRON COLOR TV ® ® M I C R O F I L M...
  • Page 2 ITEM MODEL Television System Stereo System Channel Coverage Color System ITALIA VHF : A-H2 (C) UHF : 21-69 PAL Italian B/G/H GERMAN Stereo B/G/H VHF : E2-E12 UHF : E21-E69 PAL, SECAM CABLE TV (1) : S1-S41 NTSC4.43, NTSC3.58 CABLE TV (2) : S01-S05,M1-M10,U1-U10 (VIDEO IN) L VHF : F02-F10 UHF : F21-F60 CABLE : B-Q B/G/H VHF : E2-E12...
  • Page 3 Model Name KV-32FX20A KV-32FX20B KV-32FX20D KV-32FX20E KV-32FX20U Item Pal Comb RGB Priority Woofer Box Scart 1 Scart 2 Front in (3) Scart 4 Projector AKB in 16:9 mode Norm B/G Norm I Norm D/K Norm AUS Norm L Norm SAT Norm M Teletext Nicam Stereo...
  • Page 4 21 pin connector ( Pin No Signal Signal level Audio output B Standard level : 0.5V rms (right) Output impedence : Less than 1kohm* Audio output B Standard level : 0.5V rms (right) Output impedence : More than 10kohm* Audio output A Standard level : 0.5V rms (left) Output impedence : Less than 1kohm*...

  • Page 5: Table Of Contents

    EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPORTANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.
  • Page 6 BE-3E SELF DIAGNOSTIC SOFTWARE The errors indicated below can be read using an Error Reader Display (Part Number S-188-900-10) connected to the service connector. Once an error has been detected it will then be displayed on the two digit error reader. During the power up procedure and during normal run time, the micro’s self diagnostic procedures monitor for various errors.
  • Page 7 Protection Error (Error 2): Once every main loop (approximately 200ms OSD mode, 50ms text or menu mode), the micro checks the protection pin (pin 66). If the protection pin is high 6 successive times, a protection error is diagnosed. The protection pin is not checked during the first 3 - 4 seconds after AC on. If this error is diagnosed, the respective NVM register will be updated and the set goes straight into diagnostic standby with 2 flashes - no reset is attempted.
  • Page 8 General IIC Device Run-time Errors (Errors 19-23): Error Description No acknowledge from Jungle when attempting to initialise. No acknowledge from Jungle when attempting to read registers. AV Switch cannot complete reset during initialisation. No acknowledge from AV Switch when attempting to read registers. No acknowledge from NVM when attempting to read or write.
  • Page 9 Error Display Mode Error Display Mode is entered by the following sequence of commands : Standby -> Information -> Digit 5 -> Volume Down -> TV This mode will display a special menu, which will list all possible errors and the number of occurrances of each error (0 - 255, as stored in the NVM).

  • Page 10: General

    The operating instructions mentioned here are partial abstracts SECTION 1 GENERAL from the Operating Manual. The page numbers of the Operating Instruction Manual remain as in the manual. Overview Quick Start Guide 6. Automatically tuning the TV Overview of the remote control buttons When you first switch on the TV, the following sequence of menu screens appear on the TV enabling you to 1) choose a language for the TV menu screens, 2) add channels to the TV, 3) arrange the channels.
  • Page 11 Additional TV Features Additional TV Features Choosing a language for the TV menu screens Re-arranging the TV channels The TV consists of a menu system which can appear on screen in a variety of languages. Use the following feature to select After automatically tuning the TV, you can use this feature to change the channel order.

  • Page 12: Adjusting The Picture

    Additional TV Features Additional TV Features Adjusting the sound Adjusting the picture Although the sound is adjusted at the factory, you can modify it to suit your own taste. Although the picture is adjusted at the factory, you can modify it to suit your own taste. PICTURE CONTROL 1 Press the MENU button on the remote control to display the PICTURE CONTROL...

  • Page 13: Teletext

    Additional TV Features Teletext Teletext Manually fine tuning the TV picture Teletext is an information service transmitted by most TV stations. If the picture is distorted, you can manually fine-tune the TV to obtain a better picture reception. PICTURE CONTROL Picture Mode Personal .

  • Page 14: Troubleshooting

    • Replace the batteries. Subwoofer 20W (music power) The standby indicator on the TV • Contact your nearest Sony service centre. flashes Power consumption KV-28FX20D: 123 W KV-32FX20D: 120 W • If you continue to have these problems, have your TV serviced by qualified personnel.

  • Page 15: Disassembly

    SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-2. CHASSIS ASSY REMOVAL 3 Rear Cover 2 8 Screws (BTVTP 4x16) 1 1 Screw (BTVP 4x16) 2-3-1. SERVICE POSITION (1) 2-3-2. SERVICE POSITION (2) 2 Insert into heatsink 1 Clip bracket into Beznet 1 Snap off from main bracket...

  • Page 16: Wire Dressing

    2-4. WIRE DRESSING 2-5. A BOARD REMOVAL A Board 1 Remove CN301 before removing A board 2-6. A EXTENSION BOARD A board BE-3E Extension Board...

  • Page 17: Picture Tube Removal

    2-7. PICTURE TUBE REMOVAL • REMOVAL OF ANODE-CAP Note : 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. 7 DGC holders * REMOVING PROCEDURES.

  • Page 18: Removal And Replacement Of The

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

  • Page 19: Set-Up Adjustments

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

  • Page 20: Convergence

    Center dot GREEN BLUE Fig.3-4 V.STAT H.STAT vertical static magnet convergence control Disk magnets or rotatable disk Purity control corrects magnets correct these areas (a-d). this area. H.STAT VR on mount side H.STAT convergence • If the horizontal dots are unable to coincide with the variable range of the H.STAT convergence, adjust together with the V.STAT convergence while tracking.
  • Page 21 By rotating the V.STAT magnet clockwise, the red, green and HAMP blue dots move in the direction indicated below. HTIL correction can be performed by adding a THL correction By opening or closing the V.STAT magnet, the red, green and ASSY to the DY.

  • Page 22: Screen G2

    3-3. SCREEN (G2) LAYOUT OF EACH CONTROL SCREEN G2 ADJUSTMENT Purity magnet Input a dot signal from the pattern generator. BMC (Hexaploe) magnet Set the Picture, Brightness and Colour to minimum. V STAT convergence magnet Apply 175V DC from an external power supply to the Y-splitting axis correction magnet R, G and B cathodes of the CRT.

  • Page 23: White Balance

    3-5. WHITE BALANCE WHITE BALANCE ADJUSTMENT Input an all white signal from the pattern generator. Enter into the Service Mode. Enter into the ‘Picture Adjustment’ service menu. Select ‘Sub contrast’ and adjust to 7. Select the ‘Green drive’ and adjust so that the white balance becomes optimum.

  • Page 24: Circuit Adjustments

    SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ELECTRICAL ADJUSTMENTS Service adjustments to this model can be performed PICTURE ADJUSTMENT using the supplied Remote Commander RM-887. AFC mode HOW TO ENTER INTO SERVICE MODE REF position SCP BGR Turn on the main power switch and enter into the stand-by SCP BGF mode.
  • Page 25 Dynamic Convergence AGC ON/OFF Range Adj Off - 42 Constant gain CDB H stat Adj Off - 63 FM prescale FMP H amp l Adj Off - 63 Zwei mono-st WHI H amp r Adj Off - 63 Zwei st-mono WLO Up Y Adj Off - 63 Zwei mono-bi WMH...
  • Page 26 SYSTEM B/G, D/K, I & L I.F ADJUSTMENT DEFLECTION SYSTEM ADJUSTMENT Input an off air signal of between 60-100dBuV / 75 ohm Enter into the ‘Geometry Adjustment’ service menu. terminated, via the tuner socket. Select and adjust each item in order to obtain the optimum Enter into the ‘IF Adjustment’...

  • Page 27: Tt' Test Mode

    4-2. ‘TT’ TEST MODE : ‘TT’ Mode is available by pressing the Test key twice. It is exited by pressing 0 twice, or by pressing the Test key, or by pressing the TV key, or by pressing the TV key, or by switching the set into standby. The functions described below are available by pressing 2 digits: Cancel Test mode Re-initialise geometry settings...

  • Page 28: T' Test Mode

    Special Picture Mode - Personal mode, reset & brightness = 0 Text Interlace odd (Non interlace mode = 3) Text Interlace even (Non interlace mode = 2) Auto Cut Off ENABLE Auto Cut Off DISABLE Diagnostics OFF Diagnostics ON No function Clear &...

  • Page 37: C Board

    WAVEFORMS A BOARD 1.0 Vp-p (H) 1.3 Vp-p (H) 1.1 Vp-p (H) 1.1 Vp-p (H) 1.0 Vp-p (H) 1.2 Vp-p (V) 187 mVp-p (H) WAVEFORMS C BOARD 143 Vp-p (H) 139 Vp-p (H) 128 Vp-p (H) WAVEFORMS VM BOARD 7.3 Vp-p (H) WAVEFORMS D BOARD 51 Vp-p (V) 2.7 Vp-p (H)
  • Page 38 5-4. SEMICONDUCTORS CXA2040Q-T4 M24C332-MW6T SE135N TDA7264 3 GND (TOP VIEW) TDA8395T STR-S6709 MSP3400D-PS-B4-T MSP3410D-PS-B4-T CXA8070P ( TOP VIEW ) TLP721(D4-) ( TOP VIEW ) STV9379 2SA733-K PST593C-MMP-4P LM393P 2SA933AS M5216P 2SA933S TDA2822M 2SA1091-O TNY253P µPC393C 2SC3502-EF 2SC3601-E 2SC2808STP-R TDA4665T-T ( TOP VIEW ) ( TOP VIEW ) SBX1981-51 E C B...
  • Page 39 DTC144EKA 2SC4927-01 FMS-3FU 2SA1037K 2SA1162-G 2SC2412K IRF620 EG-1Z-V1 HSS83TD EGP20G RGP10GPKG23 EL1Z RGP15GPKG23 EM1-V1 EU-1-V1 EU2A ERA38-06TP1 RD3.9ESB2 EU2-V1 HZS9.INB2 RD5.1ESB2 2SC2785-HFE FML-G12S MTZJ-3.6A RD5.6ESB2 GP08D MTZJ-5.1B RD6.8ESB2 MTZJ-5.6B RD10ESB2 MTZJ-6.8C RD15ES-B2 CATHODE MTZJ-9.1 RD39ES-B2 MTZJ-T-77-9.1A 1SS133T-77 MTZJ-77-22B CATHODE ANODE 2SA1837 MA8330 BAS216...
  • Page 40 5-5. IC BLOCK DIAGRAMS (1) A BOARD IC301 CXA2076Q-TL H SYNC PHASE 32fH V SYNC PHASE PHASE GATE H.DRIVE 1/32 SHIFT SAND CASTLE SHARP D PIC 50/60 ID TRAN NESS VIDEO TRAP CONT WIDE Count Down Sawtooth GATE 525/625 Gen. INTER- WIDE KILLER...
  • Page 41 5-5. IC BLOCK DIAGRAMS (2) A BOARD IC4 PST593C V c c DELAY V out G N D Reset D BOARD IC500 STV9379 FLYBACK GENERATOR POWER THERMAL PROTECTION D BOARD IC600 STR-S6709 START UP PROPORTIONAL DRIVE LATCH PRE REG THERMAL...

  • Page 42: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE : • Items with no part number and no description are not • Items marked “ * “ are not stocked stocked because they are seldom required for routine since they are seldom required for service.

  • Page 43: Picture Tube

    6-2. PICTURE TUBE REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK X-4200-488-1 BEZNET ASSY 55-59 *A-1638-126-A C BOARD, COMPLETE 4-045-250-01 DAMPER 4-200-433-01 SPRING, EXTENSION 4-204-731-11 DOOR £ 1-416-769-11 COIL, DEMAGNETIC 4-202-555-01 SHAFT DOOR *4-392-534-31 CUSHION DGC 4-042-192-11 CATCHER, PUSH *4-059-569-01 HOLDER, DGC 4-204-730-11 WINDOW ORNAMENTAL 4-202-554-01 HOLDER, HV CABLE...

  • Page 44: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST PARTS LISTING TABLE OF CONTENTS Page A BOARD COMMON Parts List : Parts common to all models listed in this manual ....... 76 A BOARD VARIANT Parts List : Parts that belong only to the model specified Model KV-32FX20A/32FX20B/ KV-32FX20D/32FX20E...
  • Page 45 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C204 1-163-038-91 CERAMIC CHIP 0.1MF *A-1632-848-A A Board, Complete (KV-32FX20A) C205 1-126-965-11 ELECT 22MF *A-1632-847-A A Board, Complete...
  • Page 46 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C269 1-163-131-00 CERAMIC CHIP 390PF C336 1-163-009-11 CERAMIC CHIP 0.001MF C270 1-163-131-00 CERAMIC CHIP 390PF C337 1-163-009-11 CERAMIC CHIP 0.001MF C271...
  • Page 47 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK D101 8-719-977-81 DIODE DTZ33B < IC > D201 8-719-069-60 DIODE UDZS-TE17-9.1B D202 8-719-069-60 DIODE UDZS-TE17-9.1B 8-759-376-77 IC SDA30C263-GEG D203...
  • Page 48 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK Q401 8-729-120-28 TRANSISTOR 2SC1623-L5L6 1-216-025-91 RES,CHIP 1/10W Q402 8-729-120-28 TRANSISTOR 2SC1623-L5L6 1-216-057-00 RES,CHIP 2.2K 5% 1/10W Q403...
  • Page 49 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R112 1-216-029-00 RES,CHIP 1/10W R216 1-216-025-91 RES,CHIP 1/10W R113 1-216-001-00 RES,CHIP 1/10W R217 1-216-113-00 RES,CHIP 470K 5%...
  • Page 50 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R280 1-216-049-91 RES,CHIP 1/10W R339 1-216-049-91 RES,CHIP 1/10W R281 1-216-081-91 RES,CHIP 1/10W R340 1-216-025-91 RES,CHIP 1/10W...
  • Page 51 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R1023 1-216-025-91 RES,CHIP 1/10W *A-1638-126-A C Board, Complete R1024 1-216-041-00 RES,CHIP 1/10W R1026 1-216-025-91 RES,CHIP 1/10W...
  • Page 52 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < CRT SOCKET > < SPARK GAP > J701 £ 1-526-990-21 SOCKET, CRT SG701 1-517-712-31 GAP, SPARK SG702...
  • Page 53 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C2818 1-104-665-11 ELECT 100MF < IC > C2819 1-126-933-11 ELECT 100MF C2820 1-129-725-00 FILM 0.082MF 400V...
  • Page 54 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R2215 1-247-841-91 CARBON 2.7K 5% 1/4W R2860 1-215-886-11 METAL OXIDE R2216 1-247-865-91 CARBON 1/4W R2861 1-215-886-11 METAL OXIDE...
  • Page 55 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R8806 1-247-807-31 CARBON 1/4W C625 1-126-967-11 ELECT 47MF R8807 1-202-885-91 RES, SOLID 1/2W C626 1-104-666-11 ELECT...
  • Page 56 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK C1202 1-137-194-81 FILM 0.47MF D504 8-719-991-33 DIODE 1SS133T-77 C1203 1-136-169-00 FILM 0.22MF D505 8-719-982-03 DIODE MTZJ-3.6A C1204...
  • Page 57 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < FERRITE BEAD > L803 1-535-465-11 LEAD, JUMPER (5.0MM) L806 1-535-465-11 LEAD, JUMPER (5.0MM) FB501 1-410-397-21 FERRITE 1.1UH...
  • Page 58 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R522 1-247-863-91 CARBON 1/4W R650 1-249-429-11 CARBON 1/4W R523 1-247-863-91 CARBON 1/4W R800 1-249-429-11 CARBON 1/4W...
  • Page 59 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R1202 1-249-389-11 CARBON 1/4W F C1502 1-130-777-00 FILM 0.1MF R1203 1-249-417-11 CARBON 1/4W C1503 1-102-510-11 CERAMIC...
  • Page 60 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < DIODE > R1509 1-247-843-11 CARBON 3.3K 5% 1/4W R1510 1-249-421-11 CARBON 2.2K 5% 1/4W D1501...
  • Page 61 The components identified by shading and marked are critical for safety VM H Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R1721 1-249-414-11 CARBON 1/4W F CN5916 1-568-878-51 PIN, CONNECTOR 3P R1722 1-249-401-11 CARBON 1/4W...
  • Page 62 The components identified by shading and marked are critical for safety Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK R5921 1-249-437-11 CARBON 1/4W MISCELLANEOUS < SWITCH > £ 1-416-769-11 COIL, DEMAGNETIC 1-452-032-00 MAGNETIC, DISC: 10MM S5601 £...

This manual is also suitable for:

Trinitron kv-32fx20dTrinitron kv-32fx20bTrinitron kv-32fx20eTrinitron kv-32fx20u

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