Sony TRINITRON KV-G142M Service Manual
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Sony TRINITRON KV-G142M Service Manual

Sony TRINITRON KV-G142M Service Manual

Sony crt television user manual
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SERVICE MANUAL
BG-2S
CHASSIS
MODEL
COMMANDER DEST.
CHASSIS NO.
MODEL
COMMANDER DEST.
CHASSIS NO.
KV-G14M2
RM-869 Russia
SCC-U11A-A
TRINITRON
COLOR TV
®

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Summary of Contents for Sony TRINITRON KV-G142M

  • Page 1 SERVICE MANUAL BG-2S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-G14M2 RM-869 Russia SCC-U11A-A TRINITRON COLOR TV ®...

  • Page 2: Specifications

    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.

  • Page 3: Table Of Contents

    Section Title 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. Terminal Board Bracket Removal ... 2-7. Demagnetization Coil Removal ... 2-8.

  • Page 4: 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. TV/VIDEO – VOLUME + SELECT – PROGR + SELECT – PROGR +...
  • Page 5 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 an indoor antenna...
  • Page 6 If the picture color is poor and/or the sound is Presetting channels noisy Select the appropriate TV system as follows: Press SELECT on the remote commander or the TV until “TV SYSTEM” appears. Press +/– on the remote commander or the TV until the picture and sound becomes normal.
  • Page 7 Operations Watching the TV Turning off the TV To turn off the TV temporarily Press on the remote commander. The on the TV lights up. Press to turn on the TV. To turn off the TV completely Press on the TV. If the power on the TV is turned off in standby mode, the indicator on the TV may remain alight for a while.

  • Page 8: Adjusting The Picture

    Each time you press SELECT, the screen changes as Adjusting the follows: picture Note on the SOUND MODE button The sound mode feature is unavailable for your TV. Thus, the SOUND MODE button on the remote commander is not used Press +/–...

  • Page 9: Disassembly

    2-1. REAR COVER REMOVAL 2-2. A BOARD REMOVAL Lever Lever A board SECTION 2 DISASSEMBLY 2-3. F1 BOARD REMOVAL Seven screws (BVTP 4 16) 2 Four screws (BVTP 4 16) 2-4. SERVICE POSITION F1 board A board...

  • Page 10: Replacement Of Parts

    2-5. REPLACEMENT OF PARTS For replacement of the Multi 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 Multi button Multi button 2-5-2.

  • Page 11: Picture Tube Removal

    2-8. PICTURE TUBE REMOVAL 3 F1 board 4 C board 5 Deflection yoke 6 Four screws (Tapping screws) 1 Anode cap REMOVAL OF ANODE-CAP NOTE : After removing the anode, short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon paint on the CRT.

  • Page 12: Set-Up Adjustments

    KV-G14M2 RM-869 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 13: 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 V.STAT Magnet C board 1. (Moving vertically), adjust the V.STAT magnet so that the red, green and blue dots are on top of each other at the center of the screen.

  • Page 14: Focus Adjustment

    KV-G14M2 RM-869 (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. Move the deflection yoke as shown in the figure below and optimize the convergence.

  • Page 15: G2 (Screen) And White Balance Adjustments

    3-4. a. AN ITEM OF ADJUSTMENT Item Adjustment Initial DATA number Item b. METHOD OF CANCELLATION FROM SERVICE MODE POWER Set the standby condition (Press POWER commander) and then press button again, hereupon it becomes TV mode. c. METHOD OF WRITE FOR MEMORY 1) Set to Service Mode.

  • Page 16: Self Diagnosis Function

    KV-G14M2 RM-869 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 60ms each time. The flickering frequency responding to each failed device is shown below.

  • Page 17: Circuit Adjustments

    5-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-869 that comes with this unit. Entering service mode With the unit on standby DISPLAY POWER The operation sequence puts the unit into service mode. ¤ …F PROGR SOUND MODE B©...

  • Page 18: Adjustment Method

    KV-G14M2 RM-869 5-2. 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.) MUTING 4.
  • Page 19 Adjustment Item Table Data Initial Item Adj. Range Data Item 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–FF 00–3F 00–3F 00–7F 00–0F 00–03 00–3F 00–3F 00–7F 00–3F 00–FF 00–FF 00–FF 00–01...
  • Page 20 KV-G14M2 RM-869 Data Initial Item Adj. Range Data Item 00–0F 00–3F 00–01 00–01 00–01 00–01 00–01 00–FF 00–FF 00–FF NOTE • Note for Different 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 21 Option Note Item No. 13 VPX Item Initial data EHT Tracking Mode Enable Vertical Guard Service Blanking Over-voltage Protection Detection Video Ident Mode Item No. 3E OP0 Item No TOP Initial data AV Input 0 0 no AV input model 1 0 2 AV input model No TOP (for teletext model) AV MUT...

  • Page 22: A Board Adjustment After Ic003 (Memory) Replacement

    KV-G14M2 RM-869 5-3. A BOARD ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT 1. Enter to Service Mode. 2. Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data. 3. Call each item number, and check if the respective screen shows the normal picture.
  • Page 23 SECTION 7 EXPLODED VIEW NOTE: Items with no part number and no Items marked " " are not stocked since description are not stocked because they are seldom required for routine they are seldom required for routine service. Some delay should service.
  • Page 24 KV-G14M2 RM-869 SECTION 8 F35430206 ELECTRICAL PARTS LIST F35430296 NOTE: Items marked " " are not stocked since RESISTORS they are seldom required for routine serv- All resistors are in ohms The components identified by shading and mark ! are critical for safety. ice.
  • Page 25 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION D611 8-719-510-26 DIODE D1NL20 D801 8-719-945-80 DIODE ERC06-15S D851 8-719-302-43 DIODE EL1Z D852 8-719-028-72 DIODE RGP02-17EL-6433 D853 8-719-302-43 DIODE EL1Z D855 8-719-302-43...
  • Page 26 TRANSISTOR 2SD601A-Q Q417 8-729-424-67 TRANSISTOR UN2216 Q418 8-729-424-67 TRANSISTOR UN2216 Q561 8-729-200-17 TRANSISTOR 2SA1091-O Q801 8-729-140-50 TRANSISTOR 2SC3209LK Q802 8-729-810-49 TRANSISTOR 2SD1877S-SONY-CA Q902 8-729-421-19 TRANSISTOR UN2213 Q903 8-729-421-19 TRANSISTOR UN2213 Q1201 8-729-422-27 TRANSISTOR 2SD601A-Q Q1202 8-729-422-27 TRANSISTOR 2SD601A-Q Q1203 8-729-422-27...
  • Page 27 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION R308 1-216-033-00 RES,CHIP R309 1-216-033-00 RES,CHIP R310 1-216-097-91 RES,CHIP 100K R311 1-216-075-00 RES,CHIP R312 1-216-025-91 RES,CHIP R313 1-216-053-00 RES,CHIP 1.5K R314...
  • Page 28 KV-G14M2 RM-869 F35430206 F35430296 REF.NO. PART NO. DESCRIPTION R834 1-216-065-91 RES,CHIP R851 1-249-382-11 CARBON R852 1-249-417-11 CARBON R853 1-249-377-11 CARBON R854 1-249-377-11 CARBON R855 1-260-107-11 CARBON R856 1-249-429-11 CARBON R857 1-249-440-11 CARBON R858 1-216-370-11 METAL OXIDE R860 1-247-887-00 CARBON R883 1-216-696-11 METAL CHIP R895...
  • Page 29 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION * A-1298-616-A A BOARD, COMPLETE (F35821706) ********************* * A-1298-617-A A BOARD, COMPLETE (F35821796) ********************* * 1-580-798-11 CONNECTOR PIN (DY) 6P * 4-059-707-01 HOLDER, FBT 4-382-854-11...
  • Page 30 KV-G14M2 RM-869 F35821706 F35821796 REF.NO. PART NO. DESCRIPTION C319 1-164-004-11 CERAMIC CHIP C320 1-164-004-11 CERAMIC CHIP C321 1-164-004-11 CERAMIC CHIP C322 1-216-295-91 SHORT C323 1-163-235-11 CERAMIC CHIP C324 1-164-505-11 CERAMIC CHIP C325 1-163-093-00 CERAMIC CHIP C326 1-163-095-00 CERAMIC CHIP C327 1-163-093-00 CERAMIC CHIP C328...
  • Page 31 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION C857 1-130-493-00 MYLAR 0.068MF C860 1-102-228-00 CERAMIC 470PF C861 1-107-654-11 ELECT 33MF C876 1-107-369-11 MYLAR 0.068MF C898 1-106-379-12 MYLAR 0.033MF C900...
  • Page 32 TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SC1623-L5L6 TRANSISTOR DTC143TKA-T146 TRANSISTOR 2SC1623-L5L6 TRANSISTOR DTC143TKA-T146 TRANSISTOR 2SC1623-L5L6 TRANSISTOR DTC143TKA-T146 TRANSISTOR DTC143TKA-T146 TRANSISTOR 2SA1091-O TRANSISTOR 2SC3209LK TRANSISTOR 2SD1877S-SONY-CA TRANSISTOR UN2213 TRANSISTOR UN2213 TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SA1162-G TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SC1623-L5L6...
  • Page 33 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION Q1513 8-729-120-28 TRANSISTOR 2SC1623-L5L6 <RESISTOR> 1-216-033-00 RES,CHIP R001 1-216-065-91 RES,CHIP 4.7K R002 1-216-065-91 RES,CHIP 4.7K R003 1-216-065-91 RES,CHIP 4.7K R004 1-216-065-91...
  • Page 34 KV-G14M2 RM-869 F35821706 F35821796 REF.NO. PART NO. DESCRIPTION R338 1-216-295-91 SHORT R339 1-216-036-00 RES,CHIP R340 1-216-035-00 RES,CHIP R341 1-216-049-91 RES,CHIP R351 1-216-001-00 RES,CHIP R355 1-216-001-00 RES,CHIP R356 1-216-049-91 RES,CHIP R360 1-208-291-11 RES,CHIP R403 1-216-021-00 RES,CHIP R406 1-216-065-91 RES,CHIP R407 1-216-063-91 RES,CHIP R408 1-216-055-00...
  • Page 35 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION R1203 1-216-089-91 RES,CHIP R1205 1-216-023-00 RES,CHIP R1206 1-216-089-91 RES,CHIP R1211 1-216-021-00 RES,CHIP R1212 1-216-049-91 RES,CHIP R1215 1-216-113-00 RES,CHIP 470K R1216 1-216-113-00...
  • Page 36 KV-G14M2 RM-869 REF.NO. PART NO. DESCRIPTION <JACK> J701 ! 1-251-192-11 SOCKET, CRT <TRANSISTOR> Q701 8-729-200-17 TRANSISTOR 2SA1091-O Q702 8-729-200-17 TRANSISTOR 2SA1091-O Q703 8-729-200-17 TRANSISTOR 2SA1091-O Q704 8-729-326-11 TRANSISTOR 2SC2611 Q705 8-729-326-11 TRANSISTOR 2SC2611 Q706 8-729-326-11 TRANSISTOR 2SC2611 <RESISTOR> R701 1-260-133-11 CARBON R702 1-260-123-11...
  • Page 37 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION ! 8-451-418-51 DEFLECTION YOKE (Y14NDA2-I) ! 8-735-562-05 PICTURE TUBE (A34JBU70X) ****************************************************************** ACCESSORIES AND PACKING MATERIALS (FOR F35430206/F35430296) *************************************** 1-417-151-21 MATCHING TRANSFORMER, ANTENNA 1-501-372-81...
  • Page 38 ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK Sony Corporation English 98EM70118-1 Display Company Printed in Malaysia 9-965-693-01 TV Display Business Asia 1998. 5 – 58 –...

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