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Sony KV-28DS20U Service Manual
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Sony KV-28DS20U Service Manual

Trinitron color tv
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SERVICE MANUAL

MODEL
KV-28DS20U
KV-32DS20U
M I C R O F I L M
COMMANDER
DEST
CHASSIS NO.
RM-888
UK
SCC-Q25D-A
RM-888
UK
SCC-Q25F-A
MODEL
KV-28DX20U
KV-32DX20U
TRINITRON
1
BE-3E
CHASSIS
COMMANDER
DEST
CHASSIS NO.
RM-888
UK
SCC-Q25C-A
RM-888
UK
SCC-Q25E-A
COLOR TV
®
®

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Summary of Contents for Sony KV-28DS20U

  • Page 1: Service Manual

    SERVICE MANUAL BE-3E CHASSIS MODEL MODEL COMMANDER DEST CHASSIS NO. COMMANDER DEST CHASSIS NO. KV-28DS20U KV-28DX20U RM-888 SCC-Q25D-A RM-888 SCC-Q25C-A KV-32DS20U KV-32DX20U RM-888 SCC-Q25F-A RM-888 SCC-Q25E-A TRINITRON COLOR TV ® ® M I C R O F I L M...
  • Page 2 Other features NICAM, FASTEXT, TOPTEXT, Phono jacks DIGITAL TELETEXT Outputs for Audio Signals DOLBY PROLOGIC*, ELECTRONIC PROGRAMME GUIDE (EPG) Centre Speaker Terminals (KV-28DS20U/32DS20U only) * (KV-28DS20U/32DS20U) Surround Speaker Terminals (KV-28DS20U/32DS20U only) [RM-888] Remote control system Infrared control Power requirements 3V dc...

  • Page 3: Section Title Warning And Caution

    Model Name KV-28DS20U KV-28DX20U Item KV-32DS20U KV-32DX20U 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...
  • Page 4 KV-28DS20U/32DS20U 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...

  • Page 5: Table Of Contents

    CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.

  • Page 6: Self-Diagnostic Function

    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: Overview Of The Remote Control Buttons

    The operating instructions mentioned here are partial abstracts from the ‘Operating Instruction Manual’. The page numbers of the ‘Operating Instruction Manual’ remain as in the manual. Overview Additional TV Features Overview of the remote control buttons Choosing a language for the TV menu screens The TV consists of a menu system which can appear on screen in a variety of languages.

  • Page 11: Automatically Tuning The Tv

    Additional TV Features Additional TV Features Automatically tuning the TV Re-arranging the TV channels You have already tuned in all available channels using the ‘Automatically tuning the TV’ section at the start of this manual. If After tuning the TV, you can use this feature to change the channel order. you need to repeat the tuning procedure however, follow the instructions below and the TV automatically searches and stores all available channels for you.

  • Page 12: Adjusting The Picture

    Additional TV Features Additional TV Features Adjusting the picture Adjusting the sound Although the picture is adjusted at the factory, you can modify it to suit your own taste. Although the sound is adjusted at the factory, you can modify it to suit your own taste. 1.

  • Page 13: Setting Up Dolby Prologic

    Additional TV Features Additional TV Features Setting Up Dolby Pro Logic Using the further programme preset feature Before listening to Dolby Pro Logic encoded programmes, you can adapt the Dolby features to suit your own taste. Normally this With this feature you can a) manually fine-tune the TV to obtain a better picture reception if the picture is distorted or b) preset is only requires when you install the TV and the speakers, or when changing the speaker positions.

  • Page 14: Manually Tuning The Tv

    Additional TV Features Additional TV Features Manually tuning the TV Viewing Standard Teletext You have already tuned the TV automatically using the instructions at the start of this manual. You can however carry out this Teletext is an information service transmitted by most TV stations. operation manually, adding channels to the TV, one at a time.

  • Page 15: Viewing Digital Teletext

    Additional TV Features Additional TV Features Viewing Digital Teletext Electronic Programme Guide (EPG) Most of the digital TV channels broadcast information via teletext. This digital service includes high quality text and graphics as The Electronic Programme Guide (EPG) is a guide which provides programme information for all digital channels supporting well as advanced navigational options.
  • Page 16 Additional TV Features Additional TV Features Electronic Programme Guide (EPG) Electronic Programme Guide (EPG) Recording Programmes Setting The Manual Timer 1 Press the button on the remote control to display the 1 Press the button on the remote control to display the EPG on the TV screen.

  • Page 17: Specifications

    Surround Speakers (2) Centre Speaker (1) • If you continue to have these problems, have your TV serviced by qualified personnel or Other features you can contact the Sony UK Digital HelpLine on 0870 600 1717. Teletext • NEVER open the casing yourself.

  • Page 18: 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 19: 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 20: 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 21: Removal And Replacement Of The Main - Bracket Bottom Plates

    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 22: 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 23: 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 this area. these areas (a-d). 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 24 By rotating the V.STAT magnet clockwise, the red, green and blue dots move in the direction indicated below. HAMP By opening or closing the V.STAT magnet, the red, green and HTIL correction can be performed by adding a THL correction blue dots move in the direction indicated below.

  • Page 25: 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 26: 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 27: 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-888. 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 28 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 29 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 30: 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 31: 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 32: Block Diagrams (1)

    BLOCK DIAGRAMS 1 [ SIGNAL PROCESSING ] [ R,G,B DRIVE ] [ AV INPUT, STBY POWER SUPPLY ] [ DOLBY SPEAKER TERMINAL ] CN303 CN3202 TO D BOARD IC701 FV (T803) SPK R OUT VIDEO OUT (RED) SIGNAL PROCESSING HFBP TO VM BOARD (RGB DRIVE) S5601...
  • Page 33 BLOCK DIAGRAMS 2 [ DEFLECTION AND POWER SUPPLY ] [ VELOCITY MODULATION & DYNAMIC CONVERGENCE ] [ DYNAMIC FOCUS OF DQP & SUBWOOFER AUDIO AMP ] CN1803 CN801 T803 FBT CN3803 IC1501 IC1502 ROT COIL TO D1 BOARD CN2804 CONVERGENCE DYNAMIC TO VM BOARD IC500...

  • Page 34: Block Diagrams (2)

    BLOCK DIAGRAMS 3 [ DIGITAL PROCESSING ] CN3102 IC3406 (1/2) DIGITAL PROCESSING CN3101 CN3401 IC3413 RESET RXD2 TO N BOARD TXD2 (2/2) IREQ DIG-EN SCLTV IC3205 MPEG VIDEO DECODER SDATV IC3207 TO N BOARD RESET PTSTRT MDA(11) MDA(11) TSSTR SDRAM_ADDR(11) IORD (2/2) IORD...
  • Page 35 [ DIGITAL PROCESSING ] [ DIGITAL INTERFACE, DOLBY CENTRE & SURROUND AMPLIFIER ] 5-2. CIRCUIT BOARD LOCATION Reference Information IC3312 IC3308 3 INPUTS AND GATES N( ) KV-28DS20U/32DS20U ONLY KV-28DS20U/32DS20U ONLY IC400 RESISTOR : METAL FILM CN4204 DOLBY AMPLIFIER CN4001...
  • Page 50 5-4. SEMICONDUCTORS MSP3410D-PS-B4-T CXA2040Q-T4 STR-S6709 TLP721(D4-) 2SA733-K 2SA933AS ( TOP VIEW ) (TOP VIEW) 2SA933S PST593C-MMP-4P CXA8070P STV9379 E C B DTA144ES ( TOP VIEW ) DTC114ES LM78L05ACZ DTC143TS DTC144ESA 2SC1740S-RT TDA4665T-T SBX1981-51 ( TOP VIEW ) LM393P SDA5273-3CP-C55-22-GEG M5216P TDA6101Q/N3 DTC144TK SDA3OC263-GEG...
  • Page 51 MTZJ-T-77-33C ERA38-06TP1 2SC2785-HFE D4SB60L HZS9.INB2 RD3.9ESB2 RD5.1ESB2 MTZJ-3.6A MTZJ-T-77-3.6B RD5.6ESB2 MTZJ-T-77-3.9B RD6.8ESB2 RD10ESB2 MTZJ-5.1B RD15ES-B2 MTZJ-5.6B RD39ES-B2 MTZJ-6.8B MTZJ-9.1 ISS119-25TD 1SS133T-77 MTZJ-T-77-9.1B MTZJ-77-22B CATHODE 2SC4927-01 FMS-3FU ANODE MA3030-H (TX) MA3130WA-TX DINL20U HSS83TD EG-1Z-V1 RGP10GPKG23 EGP20G RGP15GPKG23 EL1Z EM1-V1 EU2A EU2-V1 FML-G12S GP08D SLA-570KT3F...
  • Page 52 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 53 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 54: Chassis

    DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK *A-1647-029-A H BOARD, COMPLETE *A-1651-115-A J BOARD, COMPLETE (KV-28DS20U/32DS20U) £ 1-571-433-21 SWITCH, PUSH (AC POWER) *A-1652-067-A N BOARD, COMPLETE *4-204-752-01 BRACKET, MAIN *A-1632-853-A A2 BOARD, COMPLETE (KV-28DS20U/32DS20U) *A-1642-259-A D1 BOARD, COMPLETE *A-1631-052-A A2 BOARD, COMPLETE (KV-28DX20U/32DX20U)

  • Page 55: D Board

    £ 1-251-807-11 CAP ASSY, HIGH VOLTAGE 4-204-058-41 SHEET, BLOTTING (KV-32DS20U/32DX20U) 3-704-495-01 SPACER, DY £ 8-737-786-05 PICTURE TUBE (W66LLX060X) SD-299 4-036-188-01 SCREW, SELF TAPPING (KV-28DS20U/28DX20U) (KV-28DS20U/28DX20U) 4-204-225-01 PT SCREW (KV-32DS20U/32DX20U) £ 8-735-054-05 PICTURE TUBE (W76LLZ060X) SD-302 4-308-870-00 CLIP, LEAD WIRE (KV-32DS20U/32DX20U) 1-452-094-00 MAGNET, ROTATABLE DISK;...

  • Page 56: Centre Speaker And Surround Speaker (Kv-28Ds20U/32Ds20U Only)

    6-3. CENTRE SPEAKER AND SURROUND SPEAKER (KV-28DS20U/32DS20U only) CENTRE SPEAKER SURROUND SPEAKER REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK 7-685-659-79 SCREW (4x8) 1-504-783-11 SPEAKER (8CM) X-494-575-81 PANEL ASSY, FRONT X-494-575-71 CABINET ASSY, SPEAKER 4-929-125-01 SCREW (4x16) 4-960-366-01 SCREW (3.5x9.5)

  • Page 57: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST PARTS LISTING TABLE OF CONTENTS Page A1 BOARD COMPLETE Parts List : (KV-28DS20U/32DS20U only) ....... 113 A2 BOARD COMMON Parts List : Parts common to all models listed in this manual ....... 114 A2 BOARD VARIANT Parts List : Parts that belong only to the model specified...

  • Page 58: D2 Board

    PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < DIODE > *A-1630-490-A A1 Board, Complete (KV-28DS20U/32DS20U only) D1201 8-719-988-61 DIODE 1SS355TE-17 D1203 8-719-976-99 DIODE DTZ5.1B < CAPACITOR > < IC > C1201 1-164-695-11 CERAMIC CHIP 0.0022MF C1202 1-163-038-00 CERAMIC CHIP 0.1MF...

  • Page 59: Kv- 32Ds20U)

    1-216-295-00 SHORT C4043 1-164-004-11 CERAMIC CHIP 0.1MF C4044 1-164-004-11 CERAMIC CHIP 0.1MF C4045 1-164-004-11 CERAMIC CHIP 0.1MF *A-1632-853-A A2 Board, Complete (KV-28DS20U/32DS20U) C4046 1-164-004-11 CERAMIC CHIP 0.1MF *A-1631-052-A A2 Board, Complete C4047 1-164-004-11 CERAMIC CHIP 0.1MF (KV-28DX20U/32DX20U) C4048 1-164-004-11 CERAMIC CHIP 0.1MF C4049 1-163-035-00 CERAMIC CHIP 0.047MF...
  • 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 C4068 1-126-960-11 ELECT D4017 8-719-991-33 DIODE 1SS133T-77 C4069 1-126-960-11 ELECT D4018 8-719-109-85 DIODE RD5.1ESB2 C4070 1-126-960-11 ELECT D4019...

  • Page 61: Vm Board

    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 < SOCKET > R4027 1-216-022-00 RES,CHIP 1/10W R4029 1-216-073-00 RES,CHIP 1/10W J4001 *1-793-200-11 CONNECTOR, SQUARE TYPE 21P R4033 1-216-065-91 RES,CHIP...
  • Page 62 1-216-025-91 RES,CHIP 1/10W R4270 1-535-465-11 LEAD JUMPER (5.0MM) < TUNER > *A-1632-854-A A Board, Complete TU4001 8-598-502-00 FRONTEND BTD-DU602 (KV-28DS20U/32DS20U) *A-1632-852-A A Board, Complete (KV-28DX20U/32DX20U) A2 Board Variant Parts KV-28DS20U/32DS20U < CAPACITOR > A Board Common Parts C4261 1-137-194-81 FILM 0.47MF...
  • Page 63 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 C103 1-126-965-11 ELECT 22MF C256 1-163-038-91 CERAMIC CHIP 0.1MF C104 1-163-117-00 CERAMIC CHIP 100PF C257 1-126-965-11 ELECT 22MF...

  • Page 64: Kv-32Ds20U)

    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 C319 1-163-017-00 CERAMIC CHIP 0.0047MF C1013 1-126-965-11 ELECT 22MF C320 1-126-965-11 ELECT 22MF C1014 1-163-038-91 CERAMIC CHIP 0.1MF...
  • Page 65 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 D255 8-719-056-81 DIODE UDZ-TE-17-5.6B Q122 8-729-120-28 TRANSISTOR 2SC1623-L5L6 D302 8-719-988-61 DIODE 1SS355TE-17 Q140 8-729-120-28 TRANSISTOR 2SC1623-L5L6 D303...

  • Page 66: H Board

    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 1-216-025-91 RES,CHIP 1/10W 1-216-081-00 RES,CHIP 1/10W 1-216-065-91 RES,CHIP 4.7K 5% 1/10W 1-216-081-00 RES,CHIP 1/10W 1-216-065-91 RES,CHIP 4.7K 5%...
  • Page 67 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 R147 1-216-033-00 RES,CHIP 1/10W R246 1-216-041-00 RES,CHIP 1/10W R148 1-216-051-00 RES,CHIP 1.2K 5% 1/10W R248 1-216-073-00 RES,CHIP...
  • Page 68 1-216-053-00 RES,CHIP 1.5K 5% 1/10W X1001 1-579-965-21 VIBRATOR, CRYSTAL R352 1-216-077-00 RES,CHIP 1/10W R353 1-216-033-00 RES,CHIP 1/10W A Board Variant Parts KV-28DS20U/32DS20U R354 1-216-295-91 SHORT R357 1-216-049-91 RES,CHIP 1/10W < CAPACITOR > R358 1-216-295-91 SHORT R359 1-216-097-91 RES,CHIP 100K 5%...
  • Page 69 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 < TRANSISTOR > D714 8-719-991-33 DIODE 1SS133T-77 Q203 8-729-120-28 TRANSISTOR 2SC1623-L5L6 < IC > Q204 8-729-120-28 TRANSISTOR 2SC1623-L5L6 IC701...
  • Page 70 DESCRIPTION REMARK < VARIABLE RESISTOR > R8807 1-202-719-00 SOLID 1/2W RV701 1-241-656-21 RES, ADJ, METAL FILM 110M D2 Board Variant Parts KV-28DS20U/28DX20U < SPARK GAP > < CAPACITOR > SG701 1-517-712-31 GAP, SPARK SG702 1-517-712-31 GAP, SPARK C8802 1-136-104-00 FILM 0.16MF...
  • Page 71 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 C603 1-117-752-11 ELECT(BLOCK) 330MF 450V C826 1-161-830-00 CERAMIC 0.0047MF 500V C604 1-126-968-11 ELECT 100MF C829 1-126-959-11 ELECT...
  • Page 72 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 CN903 *1-564-516-11 PLUG, CONNECTOR 13P D812 8-719-038-49 DIODE FMS-3FU-LF027-103 CN904 *1-564-511-11 PLUG, CONNECTOR 8P D815 8-719-908-03 DIODE GP08D CN1401...

  • Page 73: A Board

    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 < COIL > R502 1-249-421-11 CARBON 2.2K 5% 1/4W R503 1-249-429-11 CARBON 1/4W L501 1-535-465-11 LEAD, JUMPER (5.0MM)
  • Page 74 R852 1-249-432-11 CARBON 1/4W THP600 £ 1-809-827-11 THERMISTOR, POSITIVE R853 1-216-361-00 METAL OXIDE 0.22 5% R901 1-260-082-11 CARBON 1/2W D Board Variant Parts KV-28DS20U/28DX20U R902 1-260-082-11 CARBON 1/2W R909 1-249-429-11 CARBON 1/4W < CAPACITOR > R922 1-247-807-31 CARBON 1/4W C502...
  • Page 75 The components identified by shading and marked are critical for safety D D1 Replace only with the part number specified. REF. NO. PART.NO DESCRIPTION REMARK REF. NO. PART.NO DESCRIPTION REMARK < DIODE > R521 1-215-459-00 METAL 1/4W R610 1-215-427-00 METAL 1.8K 1/4W D802...
  • Page 76 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 C2643 1-117-802-11 ELECT 180MF 450V < CONNECTOR > C2644 1-107-824-11 CERAMIC 220PF C2645 1-136-169-00 FILM 0.22MF...
  • Page 77 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 IC2605 8-729-039-65 TRNSISTOR MX0541B-F < RESISTOR > IC2606 8-759-908-15 IC TL431CLP IC2801 8-759-103-93 IC UPC393C R2201 1-535-465-11 LEAD, JUMPER (5.0MM)
  • Page 78 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 R2820 1-249-421-11 CARBON 2.2K 5% 1/4W *A-1644-098-A VM Board, Complete R2821 1-247-807-31 CARBON 1/4W R2823 1-535-465-11 LEAD, JUMPER (5.0MM)

  • Page 79: A2 Board

    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 CN1716 *1-568-880-51 PIN, CONNECTOR 5P Q1709 8-729-119-78 TRANSISTOR 2SC2785-HFE CN1717 *1-568-881-51 PIN, CONNECTOR 6P CN1718 *1-770-723-11 CONNECTOR, BOARD TO BOARD 8P <...
  • Page 80 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 R1715 1-249-432-11 CARBON 1/4W CN5603 £ *1-691-291-11 PIN, CONNECTOR (PC BOARD) 5P R1716 1-249-417-11 CARBON 1/4W F...

  • Page 81: N Board,

    1-163-021-91 CERAMIC CHIP 0.01MF C3113 1-163-021-91 CERAMIC CHIP 0.01MF C3114 1-163-021-91 CERAMIC CHIP 0.01MF *A-1651-115-A J Board, Complete C3115 1-163-251-11 CERAMIC CHIP 100PF (KV-28DS20U/32DS20U only) C3116 1-163-021-91 CERAMIC CHIP 0.01MF < CAPACITOR > C3118 1-163-021-91 CERAMIC CHIP 0.01MF C3201 1-101-004-00 CERAMIC 0.01MF C3121 1-163-021-91 CERAMIC CHIP 0.01MF...
  • Page 82 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 C3130 1-163-021-91 CERAMIC CHIP 0.01MF C3318 1-163-021-91 CERAMIC CHIP 0.01MF C3131 1-163-263-11 CERAMIC CHIP 330PF C3319 1-163-251-11 CERAMIC CHIP 100PF C3132...
  • Page 83 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 CF3109 1-543-948-22 FERRITE FL3109 1-239-558-11 FILTER, CHIP EMI CF3110 1-543-948-22 FERRITE FL3110 1-239-558-11 FILTER, CHIP EMI CF3111 1-543-948-22 FERRITE...

  • Page 84: D1 Board

    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 IC3315 8-759-577-89 IC 74LV273D-118 R3122 1-216-017-91 RES,CHIP 1/10W IC3316 8-759-542-08 IC 74LV373D-118 R3124 1-216-017-91 RES,CHIP 1/10W...
  • Page 85 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 R3216 1-216-061-00 RES,CHIP 3.3K 5% 1/10W R3340 1-216-073-00 RES,CHIP 1/10W R3217 1-216-025-91 RES,CHIP 1/10W R3341 1-216-073-00 RES,CHIP...
  • Page 86 RB3311 1-239-409-11 RES, CHIP NETWORK 47 (3216) *4-204-378-02 INDIVIDUAL CARTON (KV-32DS20U/32DX20U) RB3312 1-239-409-11 RES, CHIP NETWORK 47 (3216) *4-204-676-01 CUSHION (UPPER) (ASSY) (KV-28DS20U/28DX20U) RB3313 1-239-409-11 RES, CHIP NETWORK 47 (3216) *4-204-682-01 CUSHION (UPPER) (ASSY) (KV-32DS20U/32DX20U) RB3314 1-239-409-11 RES, CHIP NETWORK 47 (3216)
  • Page 87 English Sony Corporation 99HP7121-1 Sony UK Printed in U.K. © 1999.8 Service Promotions Dept. 9-974-984-01...

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