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Sony TRINITRON KV-T29SN81 Service Manual
Sony TRINITRON KV-T29SN81 Service Manual

Sony TRINITRON KV-T29SN81 Service Manual

Sony crt television user manual

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SERVICE MANUAL
BG-1S
CHASSIS
MODEL
COMMANDER DEST.
CHASSIS NO.
MODEL
COMMANDER DEST. CHASSIS NO.
KV-T29SN81
RM-870 New Zealand SCC-K37E-A
TRINITRON
COLOR TV
®

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Summary of Contents for Sony TRINITRON KV-T29SN81

  • Page 1 SERVICE MANUAL BG-1S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-T29SN81 RM-870 New Zealand SCC-K37E-A TRINITRON COLOR TV ®...
  • Page 2 COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL.
  • Page 3: Table Of Contents

    Section Title SELF DIAGNOSIS REMOVAL 1. GENERAL 2. DISASSEMBLY 2-1. Rear Cover Removal ... 2-2. A Board Removal ... 2-3. F1 Board Removal ... 2-4. Service Position ... 2-5. Replacement of Parts ... 2-6. Demagnetization Coil Removal ... 2-7. Picture Tube Removal ... 3.
  • Page 4: Self Diagnosis Removal

    KV-T29SN81 RM-870 If no acknowledgement is returned from a device which is turned "ON", the device has a problem. In this case, one of the LED's responding to the problem device will flicker a defined number of times. Flickering is operated by lighting the LED's for 60ss each time. The flickering frequency responding to each failed device is shown below.
  • Page 5: General

    SECTION 1 The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating GENERAL Instruction Manual remain as in this manual. AUTO PROGR AUTO PROGR...
  • Page 6 Getting Started Connections Connecting a VHF antenna or a combination VHF/UHF antenna — 75-ohm coaxial cable (round) Attach an optional IEC antenna connector to the 75-ohm coaxial cable. Plug the connector into the (antenna) socket at the rear of the TV. Rear of TV Rear of TV Connecting optional equipment...
  • Page 7: Presetting Channels

    Presetting channels Presetting channels Presetting channels manually To change the channel for a particular program position or to receive a channel with a weak signal, preset the channel manually. Press MANUAL PROGR. Press PROGR +/– until the required program position appears on the screen. Presetting channels automatically Presetting channels automatically Press VOLUME +/–...
  • Page 8: Adjusting The Picture And Sound

    The last TV program position or video mode just before the TV Displaying on-screen information turns into Standby mode will appear when the TV turns on using the Wake Up Timer. If no buttons or controls are pressed for more than two hours Press DISPLAY/REVEAL.
  • Page 9: Selecting A Stereo Or Bilingual Program

    Receiving area for NICAM and A2 (German) Selecting a stereo or programs System bilingual program NICAM A2 (German) Notes If the signal is very weak, the sound becomes monaural automatically. If the stereo sound is noisy, select “regular sound.” The sound Press A/B/ENLARGE repeatedly until you becomes monaural, however, the noise will be reduced.
  • Page 10: Troubleshooting

    Additional Information No picture Troubleshooting No sound / Press POWER. / Check the antenna connection. / Check the VCR connections. / Check the power cord connection. If you have any problems, read this manual again and / Check the standby mode. check the countermeasure for each of the symptoms listed below.
  • Page 11: Disassembly

    SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-3. F1 BOARD REMOVAL F1 board 2 Three screws (BVTP 4 16) 4 One screw (BVTP 3 16) 1 Three screws (BVTP 4 16) 2-2. A BOARD REMOVAL 2-4. SERVICE POSITION A board Lever Lever A board...
  • Page 12: Replacement Of Parts

    2-5. REPLACEMENT OF PARTS For replacement of the Multi Button, Power Button and Light Guide, cut the welded portions from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. 2-5-1. REPLACEMENT OF MULTI BUTTON 2-5-2. REPLACEMENT OF LIGHT GUIDE POWER BUTTON Light guide Power button 2-6.
  • Page 13: Picture Tube Removal

    2-7. PICTURE TUBE REMOVAL NOTE : The picture tube for this model is upside-down and the position for the anode-cap and tension spring is changed accordingly 3 F1 board 4 C board 5 VM board 6 Deflection yoke 7 Four screws (Tapping screws) 1 Anode cap REMOVAL OF ANODE-CAP...
  • Page 14: Set-Up Adjustments

    KV-T29SN81 RM-870 The following adjustments should be made when a complete realignment is required or a new picture tube is installed. These adjustments should be performed with rated power supply voltage unless otherwise noted. Controls and switch should be set as follows unless otherwise noted: PICTURE control ...
  • Page 15: Convergence

    3-2. CONVERGENCE Preparation : Before starting this adjustment, adjust the focus, horizontal size, and vertical size. Minimize the brightness setting. Provide dot pattern. (1) Horizontal and Vertical Static Convergence Center dot H.STAT V.STAT Magnet C board 1. (Moving vertically), adjust the V.STAT magnet so that the red, green, and blue points are on top of each other at the center of the screen.
  • Page 16 KV-T29SN81 RM-870 Operation of BMC (Hexapole) Magnet If the red, green and blue dots are not balanced or aligned, then use the BMC magnet to adjust in the manner described below. Then use the H.STAT VR to adjust the red, green, and blue dots so that they coincide at the center of screen.
  • Page 17 (2) Dynamic Convergence Adjustment Preparation : Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence. 1. Slightly loosen the deflection yoke screws. 2. Remove the deflection yoke spacer. (3) Screen-corner Convergence a-d : screen-corner misconvergence 3.
  • Page 18: Focus Adjustment

    KV-T29SN81 RM-870 3-3. FOCUS ADJUSTMENT Adjust FOCUS control on the flyback transformer for the best focus. Note: Screen VR is not use. a. AN ITEM OF ADJUSTMENT Item Adjustment Initial DATA number item b. METHOD OF CANCELLATION FROM SERVICE MODE Set the standby condition (Press [POWER] button on the commander) and then press [POWER] button again, hereupon it becomes TV mode.
  • Page 19: Circuit Adjustments

    4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-870 that comes with this unit. Entering service mode With the unit on standby DISPLAY VOL (+) POWER The operation sequence puts the unit into service mode. DISPLAY MUTING POWER REVEAL VIDEO TEXT...
  • Page 20: Adjustment Method

    KV-T29SN81 RM-870 4-2. ADJUSTMENT METHOD Item Number 08 This explanation uses V-SHIFT as an example. 1. Select 08 V-SHIFT with the [1] and [4] buttons. 2. Raise/lower the data with the [3] and [6] buttons. 3. Select the optimum state. (The standard is 0F for PAL reception.) 4.
  • Page 21 Adjustment Item Table Item Adjustment Data Initial number Item range data 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–03 00–3F 00–01 00–03 00–01 00–01 00–01 00–01 00–01 00–01 00–01 00–01 00–3F 00–3F 00–7F 00–0F 00–03 00–3F 00–3F 00–7F...
  • Page 22 KV-T29SN81 RM-870 Adjustment Item Table Item Adjustment Data number Item range 00–3F 00–3F 00–3F 00–7F 00–FF 00–FF 00–0F 00–0F 00–3F 00–01 00–01 00–01 00–01 00–01 00–01 00–0F 00–07 00–01 00–01 00–FF 00–FF 00–FF NOTE Standard Data: Those are the standard data values written on the microprocessor. Therefore, the data values of the modes are stored respectively in the memory.
  • Page 23: A Board Adjustment After Ic003 (Memory) Replacement

    4-3. A BOARD ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT 1. Enter to Service Mode. 2. Press commander buttons [5] and [0] (Data Initialize), and [2] and [0] (Data Copy) to initialize the data. 3. Call each item number, and check if the respective screen shows the normal picture.
  • Page 24 KV-T29SN81 RM-870 MEMO – 24 –...
  • Page 25: Diagrams 5-1. Block Diagram

    KV-T29SN81 RM-870 5-5. SEMICONDUCTORS DIODE D1NL20 ERC06-15S ERD29-08J EL1Z S3L20UF4 RU4DS GP08D HZT33-02TE CATHODE RGP02-17EL-6433 CATHODE ANODE LN4SB60 ANODE RD3.6M-B2 RD5.6M-B2 LNK0220022G DA204K DTZ9.1 MA113-TX RD13ES-B2 DAN202K RD2.2ES-B2 RD3.6ES-B1 RD39ES-B2 RD4.7ES-B2 RD5.1ES-B1 1SS119-25 ANODE CATHODE DAP202K RD9.1ES-L2 – 50 – TRANSISTOR DTA114EKA-T146 2SC2669-0...
  • Page 26: Exploded View

    SECTION 6 EXPLODED VIEW NOTE: Items marked " * " are not stocked since Items with no part number and no description are not stocked because they they are seldom required for routine are seldom required for routine service. service. Some delay should...
  • Page 27: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST NOTE: Items marked " " are not stocked since they are seldom required for routine service. The components identified by shading Some delay should be anticipated when or- and mark ! are critical for safety. Replace only with part number specified.
  • Page 28 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION C802 1-107-364-11 MYLAR 0.01MF C804 1-163-009-11 CERAMIC CHIP 0.001MF C805 1-102-244-00 CERAMIC 220PF C806 1-126-960-11 ELECT C807 1-136-597-11 FILM 0.89MF...
  • Page 29: Circuit Boards Location

    KV-T29SN81 RM-870 REF. NO. PART NO. DESCRIPTION D403 8-719-911-19 DIODE 1SS119-25 D513 8-719-109-84 DIODE RD5.1ESB1 D551 8-719-908-03 DIODE GP08D D561 8-719-911-19 DIODE 1SS119-25 D591 8-719-911-19 DIODE 1SS119-25 D601 8-719-052-84 DIODE LN4SB60 D602 8-719-108-18 THYRISTOR 5P6M D603 8-719-110-36 DIODE RD13ESB2 D604 8-719-301-64 DIODE RU4DS D605...
  • Page 30 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION Q109 8-729-120-28 TRANSISTOR 2SC1623-L5L6 Q110 8-729-120-28 TRANSISTOR 2SC1623-L5L6 Q202 8-729-920-72 TRANSISTOR 2SA1037K-T-146-QR Q207 8-729-920-72 TRANSISTOR 2SA1037K-T-146-QR Q208 1-801-806-11 TRANSISTOR DTC144EK-T146 Q209...
  • Page 31 KV-T29SN81 RM-870 REF. NO. PART NO. DESCRIPTION R251 1-216-295-91 SHORT R252 1-249-411-11 CARBON R253 1-216-073-00 RES,CHIP R254 1-249-389-11 CARBON R255 1-249-389-11 CARBON R256 1-249-411-11 CARBON R257 1-216-295-91 SHORT R264 1-216-061-00 RES,CHIP R265 1-216-061-00 RES,CHIP R266 1-216-089-91 RES,CHIP R300 1-249-441-11 CARBON R302 1-216-295-91 SHORT...
  • Page 32 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION R636 1-215-924-00 METAL OXIDE R801 1-215-945-11 METAL OXIDE 3.3K R802 1-249-381-11 CARBON R803 1-216-057-00 RES,CHIP 2.2K R804 1-216-049-91 RES,CHIP R805...
  • Page 33: Schematic Diagrams And Printed Wiring Boards (1) Schematic Diagram Of A Board

    KV-T29SN81 RM-870 REF. NO. PART NO. DESCRIPTION <SPARK GAP> SG801 1-519-422-11 GAP, SPARK <SURFACE WAVE FILTER> SWF401 1-577-169-12 SAWF <TRANSFORMER> T601 ! 1-429-139-21 TRANSFORMER, CONVERTER (SRT) T605 ! 1-424-461-11 TRANSFORMER, LINE FILTER T801 1-437-195-11 TRANSFORMER, HORIZONTAL DRIVE T851 ! 1-453-219-11 TRANSFORMER ASSY, FLYBACK(NX-4002//M3J4) <THERMISTOR>...
  • Page 34 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION FB1205 1-412-911-11 FERRITE FB1206 1-412-911-11 FERRITE <FILTER> FL1201 1-239-803-11 ENCAPSULATED COMPONENT <IC> IC1201 8-752-059-57 IC CXA1110BS IC1202 8-759-493-49 IC MSP3410D-PP-B4 IC1203...
  • Page 35 KV-T29SN81 RM-870 REF. NO. PART NO. DESCRIPTION C710 1-102-114-00 CERAMIC C712 1-102-107-00 CERAMIC C713 1-102-107-00 CERAMIC C714 1-102-107-00 CERAMIC C716 1-126-968-11 ELECT <CONNECTOR> CN701 1-508-766-00 PIN, CONNECTOR (5MM PITCH) 4P CN703 * 1-564-509-11 PLUG, CONNECTOR 6P CN704 1-695-915-11 TAB (CONTACT) <DIODE>...
  • Page 36 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION * A-1241-269-A F1 BOARD, MOUNTED ********************* 1-533-223-11 CLIP, FUSE <CAPACITOR> C1601 ! 1-104-706-51 FILM 0.22MF <CONNECTOR> CN1601 * 1-580-843-11 PIN, CONNECTOR (POWER) CN1602 * 1-580-843-11 PIN, CONNECTOR (POWER)
  • Page 37 KV-T29SN81 RM-870 REF. NO. PART NO. DESCRIPTION 8-729-120-28 TRANSISTOR 2SC1623-L5L6 8-729-019-01 TRANSISTOR 2SD2394-EF 8-729-140-96 TRANSISTOR 2SD774-34 8-729-027-23 TRANSISTOR DTA114EKA-T146 <RESISTOR> 1-216-061-00 RES,CHIP 1-216-057-00 RES,CHIP 1-216-085-00 RES,CHIP 1-216-025-91 RES,CHIP 1-216-057-00 RES,CHIP 1-216-075-00 RES,CHIP 1-216-025-91 RES,CHIP 1-216-025-91 RES,CHIP 1-216-057-00 RES,CHIP 1-216-083-00 RES,CHIP 1-216-069-00 RES,CHIP 1-216-057-00...
  • Page 38: Schematic Diagrams Of A3, F And V1 Boards

    The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION <DIODE> D1761 8-719-911-19 DIODE 1SS119-25 D1763 8-719-911-19 DIODE 1SS119-25 D1764 8-719-911-19 DIODE 1SS119-25 D1767 8-719-110-88 DIODE RD39ESB2 D1768 8-719-110-88 DIODE RD39ESB2...
  • Page 39 4-392-003-11 4-392-004-11 **************************************************************************** 1-473-323-11 9-902-546-01 Sony Corporation SONY TV Industries (M) Sdn. Bhd. TV Business of General Area – 68 – The components identified by shading and mark ! are critical for safety. Replace only with part number specified. DESCRIPTION REMARK SCREW, SPECIAL (DIA.

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Rm-870

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