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Sony TRINITRON KV-G142M, Service Manual, Page: 38 / 38

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Sony TRINITRON KV-G142M Service Manual Download Page 38

The components identified by shading
and mark 

!

 are critical for safety.

Replace only with part number specified.

REF.NO. PART NO.

DESCRIPTION

REMARK

REF.NO. PART NO.

DESCRIPTION

REMARK

– 58 –

KV-G14M2

RM-869

Sony Corporation

Display Company

TV Display Business Asia

9-965-693-01

English

98EM70118-1

Printed in Malaysia

 1998. 5

Summary of Contents for TRINITRON KV-G142M

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

Page 2: ...500 mVrms high impedance Outputs A earphone jack minijack Ú monitor output jacks phono jacks D video 1 Vp p 75 ohms audio 500 mVrms Picture tube 14 in Tube size cm 37 Measured diagonally Screen size cm 34 Measured diagonally Dimensions w h d mm 373 346 412 Mass kg 11 Design and specifications are subject to change without notice SPECIFICATIONS CAUTION SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AN...

Page 3: ...nt 14 3 4 G2 Screen and White Balance Adjustments 15 4 SELF DIAGNOSIS FUNCTION 16 5 CIRCUIT ADJUSTMENTS 5 1 Adjustments with Commander 17 5 2 Adjustment Method 18 5 3 A Board Adjustment after IC003 Memory Replacement 22 5 4 Picture Distortion Adjustment 22 6 DIAGRAMS 6 1 Block Diagram 23 6 2 Circuit Boards Location 26 6 3 Schematic Diagrams and Printed Wiring Boards 26 1 Schematic Diagram of A Boa...

Page 4: ...ing instructions mentioned here are partial abstracts from the Operating Instructions Manual The page numbers of the Operating Instruction Manual remain as in this manual 3 1 PROGR SELECT PROGR VOLUME TV VIDEO SELECT VHF LOW B G 1 2 3 1 2 Ö ÖÚ Ö ò D ...

Page 5: ...video and audio outputs VCR to antenna socket ÖÚ D Signal flow Front of TV Camcorder D to video and audio outputs Signal flow to video input D video and audio inputs to Ú monitor output D video and audio outputs to video input D video and audio inputs When recording through the Ú monitor output jack Do not change the channel or video input while recording with a VCR otherwise the channel or video ...

Page 6: ...ted EN 5 Press on the remote commander or on the TV again To start presetting channels automatically from the specified program position Press PROGR or number buttons on the remote commander or PROGR on the TV until the required program position appears on the screen after step 4 of Presetting channels automatically Presetting channels manually 1 Press SELECT on the remote commander or the TV unti...

Page 7: ... SLEEP TIMER 90M C I Displaying on screen information Press E G The program position local system and TV settings are displayed on the screen E G Setting the Sleep Timer You can set the TV automatically turned off as you program Press C I To cancel the Sleep Timer press C I repeatedly until SLEEP TIMER OFF appears or turn off the TV Changing the on screen display language You can use buttons on th...

Page 8: ...nections Check the power cord connection Check the standby mode Good picture No sound Press Press No color Adjust the COLOR level in the on screen display Check the COLOR SYSTEM setting TV cabinet creaks Even if the picture or the sound is normal changes in the room temperature sometimes make the TV cabinet expand or contract making a noise This does not indicate a malfunction Note on the remote c...

Page 9: ... G14M2 RM 869 2 1 REAR COVER REMOVAL 2 2 A BOARD REMOVAL SECTION 2 DISASSEMBLY Seven screws BVTP 4 16 1 2 Four screws BVTP 4 16 Lever Lever A board 2 3 F1 BOARD REMOVAL F1 board 2 4 SERVICE POSITION A board ...

Page 10: ...ULTI BUTTON 2 5 2 REPLACEMENT OF LIGHT GUIDE 2 6 TERMINAL BOARD BRACKET REMOVAL Cut Cut Multi button Light guide Cut Cut Light guide Two screws BVTP 3 12 SCREWING TORQUE 7 1 kg cm 2 7 DEMAGNETIZATION COIL REMOVAL Two claws A board Terminal board bracket A board Terminal board bracket 2 Demagnetization coil 1 Tension spring Picture tube 3 DGC holder 3 DGC holder Multi button Three screws BVTP 3 12 ...

Page 11: ...he rubber too hard so as not to damage the inside of anode cap A metal fitting called the shatter hook terminal is built into the rubber 3 Do not turn the foot of rubber over too hard The shatter hook terminal will stick out or damage the rubber 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...

Page 12: ... and degauss with the degausser 3 1 BEAM LANDING 1 Input a white signal with the pattern generator Contrast Brightness 2 Set the pattern generator raster signal to green 3 Move the deflection yoke to the rear and adjust with the purity control so that the green is at the center and the blue and the red take up equally sized areas on each side See Figures 3 1 through 3 3 4 Move the deflection yoke ...

Page 13: ...ng Adjustment 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 2 Moving horizontally adjust the H STAT VR so that the red green and blue dots are on top of each other at the center of the screen 3 2 CONVERGENCE Preparation Before starting this adjustment adjust the focus horizontal size and vertical size Minimize ...

Page 14: ...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 4 Tighten the deflection yoke screws 5 Install the deflection yoke spacer B G R B G R R G B R G B R G B R G B B G R B G R R G B B G R B G R R G B a d screen corner misconvergence b a c d a d c b a to d Permalloy ass...

Page 15: ...tial DATA 25 20 20 3 5 G2 SCREEN AND WHITE BALANCE ADJUSTMENTS 1 G2 SCREEN ADJUSTMENT RV701 1 Set the PICTURE and BRIGHTNESS to normal 2 Put to VIDEO input mode without signals 3 Connect R G and B of the C board cathode to the oscilloscope 4 Adjust G2 RV701 volume to the value below Item number 09 0A 0B Adjustment Item RDR GDR BDR 165 2 V DC 2 WHITE BALANCE ADJUSTMENTS 1 Set to Service Mode 2 Inpu...

Page 16: ...60ms each time The flickering frequency responding to each failed device is shown below SECTION 4 SELF DIAGNOSIS FUNCTION Board name Ref No Device Flickering Frequency A Board IC003 NONVOLATILE MEMORY ST24C04FB6 1 A Board IC300 Y C JUNGLE TDA8374A 3 All the devices are checked one after another from the left of the table If an error is found the responding LED will start flickering So if more than...

Page 17: ...he values in memory 8 All user control goes to the standard state 5 Service data initialization Be sure not to use usually 2 Write 50Hz adjustment data to 60Hz or viceversa The screen display is 1 4 Select the adjustment item 3 6 Raise lower the data MUTING Writes Executes the writing RM 869 SERVICE Mode 08 Data HSF 50 Depends on the signals PAL SECAM 50 NTSC 60 Adjustment item 00 Mode Item 00 V3 ...

Page 18: ...ecuted with 0 GREEN The WRITE display will change back to SERVICE 2nd line disappear when written 0C VSF 08 00 V3 2C 052S 00 V3 2C 052S Blank 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 4 Write with the MUT...

Page 19: ...A8375 1A SC2 00 3F 50 0C 60 0D Sub Color Higher TDA8375 1B AIP 00 7F 3F Adjustment IF PLL TDA8375 1C VZM 00 3F 19 Vertical Zoom TDA8375 1D WST 00 FF 15 W G Stereo Threshold MSP3410D 1E WBT 00 FF EB W G Bilingual Threshold MSP3410D 1F WLL 00 FF 05 W G Monaural Threshold MSP3410D 20 ACG 00 01 01 ACG Switch auto constant MSP3410D 21 CDB 00 3F 28 ACG Gain at Constant Mode MSP3410D 22 FGP 00 7F 24 FM P...

Page 20: ...T L S C M stract plain Other Control 3E OP0 00 FF 4F Optional Flags 0 see below Other Control 3F OP1 00 FF 0F Optional Flags 1 see below Other Control 40 OP2 00 FF 00 Optional Flags 2 see below Other Control 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 In case of a device r...

Page 21: ...optional bits are effective if set to 1 Item No 3F OP1 Item No NICAM HDEV 1 V Curve XTAL SEL SECAM 2nd Lang Initial data 0 0 0 0 1 1 1 1 XTAL SEL 0 0 only 4 43 XTAL 0 1 only 3 58 XTAL 1 0 not used 1 1 both 4 43 and 3 58 XTAL 1 V Curve for monaural model 1 using common volume curve for every mode and every TV system 0 another volume curve available for video mode and M system HDEV 1 High Deviation ...

Page 22: ...al picture In case some items are not well adjusted give them fine adjustment Write the data per each item number MUTING 4 Select item numbers 3E OP0 3F OP1 and 40 OP2 and respectively set the bit per model with command buttons 3 and 6 5 Press commander buttons 8 and Test Normal to return to the data that was set on the shipment from the factory Cancel Service Mode 00 HSF H SHIFT 01 HSZ H SIZE 02 ...

Page 23: ...593 A A BOARD COMPLETE F35430206 A 1298 594 A A BOARD COMPLETE F35430296 26 4 022 115 12 HOLDER AC CORD 27 1 574 062 11 CORD POWER WITH CONNECTOR 2 5A 250V 28 1 452 032 00 MAGNET DISC 29 4 051 736 12 PIECE A 90 CONV CORRECT REF NO PART NO DESCRIPTION REMARK FOR F35821706 F35821796 1 X 4034 829 1 BEZNET ASSY 2 3 2 4 059 721 01 BUTTON MULTI 3 4 059 714 01 PLATE GUIDE LIGHT 4 1 505 547 11 SPEAKER 5X9...

Page 24: ...2 1 164 489 11 CERAMIC CHIP 0 22MF 10 16V C358 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C359 1 104 665 11 ELECT 100MF 20 16V C361 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C367 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C368 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C369 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C370 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C374 1 126 967 11 ELECT 47MF 20 10V C375 1 126 967 11 E...

Page 25: ...1 JACK J1201 1 779 849 11 JACK BLOCK PIN 4P J1202 1 779 205 11 JACK PIN 2P CHIP CONDUCTOR JR050 1 216 295 91 SHORT 0 JR052 1 216 295 91 SHORT 0 JR101 1 216 295 91 SHORT 0 JR111 1 216 295 91 SHORT 0 JR112 8 719 041 97 DIODE MA113 TX JR113 1 216 295 91 SHORT 0 JR114 1 208 291 11 RES CHIP 4 7M 5 1 10W JR116 1 216 295 91 SHORT 0 JR117 1 216 295 91 SHORT 0 JR118 1 216 295 91 SHORT 0 JR124 1 216 295 91 ...

Page 26: ...K 5 1 10W R033 1 216 049 91 RES CHIP 1K 5 1 10W R035 1 216 049 91 RES CHIP 1K 5 1 10W R036 1 216 049 91 RES CHIP 1K 5 1 10W R038 1 216 033 00 RES CHIP 220 5 1 10W R040 1 216 033 00 RES CHIP 220 5 1 10W R041 1 216 025 91 RES CHIP 100 5 1 10W R042 1 216 039 00 RES CHIP 390 5 1 10W R045 1 216 057 00 RES CHIP 2 2K 5 1 10W R047 1 216 025 91 RES CHIP 100 5 1 10W R048 1 216 025 91 RES CHIP 100 5 1 10W R0...

Page 27: ...1 216 039 00 RES CHIP 390 5 1 10W R426 1 216 029 00 RES CHIP 150 5 1 10W R427 1 216 037 00 RES CHIP 330 5 1 10W R428 1 216 081 00 RES CHIP 22K 5 1 10W R429 1 216 031 00 RES CHIP 180 5 1 10W R430 1 216 041 00 RES CHIP 470 5 1 10W R431 1 216 081 00 RES CHIP 22K 5 1 10W R432 1 216 041 00 RES CHIP 470 5 1 10W R433 1 216 081 00 RES CHIP 22K 5 1 10W R434 1 216 041 00 RES CHIP 470 5 1 10W R435 1 216 041 ...

Page 28: ... 689 11 RES CHIP 39K 5 1 10W R1228 1 216 049 91 RES CHIP 1K 5 1 10W R1229 1 216 041 00 RES CHIP 470 5 1 10W R1230 1 216 073 00 RES CHIP 10K 5 1 10W R1231 1 216 049 91 RES CHIP 1K 5 1 10W R1232 1 216 063 91 RES CHIP 3 9K 5 1 10W R1233 1 216 057 00 RES CHIP 2 2K 5 1 10W R1235 1 216 689 11 RES CHIP 39K 5 1 10W R1239 1 249 389 11 CARBON 4 7 5 1 4W F R1240 1 216 025 91 RES CHIP 100 5 1 10W R1241 1 216 ...

Page 29: ...164 004 11 CERAMIC CHIP 0 1MF 10 25V C053 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C054 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C055 1 124 480 11 ELECT 470MF 20 25V C056 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C057 1 163 243 11 CERAMIC CHIP 47PF 5 50V C058 1 163 117 00 CERAMIC CHIP 100PF 5 50V C059 1 163 117 00 CERAMIC CHIP 100PF 5 50V C060 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C061 1 164 505...

Page 30: ... 0047MF 10 50V C416 1 163 117 00 CERAMIC CHIP 100PF 5 50V C417 1 163 117 00 CERAMIC CHIP 100PF 5 50V C418 1 163 131 00 CERAMIC CHIP 390PF 5 50V C419 1 163 117 00 CERAMIC CHIP 100PF 5 50V C420 1 126 967 11 ELECT 47MF 20 16V C422 1 163 129 00 CERAMIC CHIP 330PF 5 50V C423 1 163 129 00 CERAMIC CHIP 330PF 5 50V C424 1 163 133 00 CERAMIC CHIP 470PF 5 50V C501 1 102 228 00 CERAMIC 470PF 10 500V C523 1 1...

Page 31: ...P CERAMIC 6 5MHZ DIODE D001 8 719 109 81 DIODE RD4 7ESB2 D002 8 719 911 19 DIODE 1SS119 25 D003 8 719 041 97 DIODE MA113 TX D005 8 719 109 84 DIODE RD5 1ESB1 D008 8 719 109 89 DIODE RD5 6ESB2 D103 8 719 914 42 DIODE DA204K D201 8 719 041 97 DIODE MA113 TX D202 1 216 295 91 SHORT 0 D251 8 719 041 97 DIODE MA113 TX D252 8 719 914 42 DIODE DA204K D253 8 719 041 97 DIODE MA113 TX D300 8 719 041 97 DIO...

Page 32: ...8 1 410 500 11 INDUCTOR 1 8UH L409 1 410 501 11 INDUCTOR 2 2UH L410 1 410 501 11 INDUCTOR 2 2UH L411 1 410 502 11 INDUCTOR 2 7UH L802 1 412 527 11 INDUCTOR 15UH L805 1 460 046 11 COIL HORIZONTAL LINEARITY L807 1 459 348 51 COIL VAR FERRITE HWC L808 1 412 553 11 INDUCTOR 3 3MMH L821 1 406 677 11 INDUCTOR 0UH L850 1 408 947 00 INDUCTOR 2 2MMH TRANSISTOR Q030 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q108...

Page 33: ...30 1 216 043 91 RES CHIP 560 5 1 10W R331 1 216 117 00 RES CHIP 680K 5 1 10W R332 1 216 033 00 RES CHIP 220 5 1 10W R333 1 216 077 00 RES CHIP 15K 5 1 10W R335 1 216 073 00 RES CHIP 10K 5 1 10W R336 1 216 057 00 RES CHIP 2 2K 5 1 10W Q1513 8 729 120 28 TRANSISTOR 2SC1623 L5L6 RESISTOR R65 1 216 033 00 RES CHIP 220 5 1 10W R001 1 216 065 91 RES CHIP 4 7K 5 1 10W R002 1 216 065 91 RES CHIP 4 7K 5 1 ...

Page 34: ...0W R569 1 260 125 11 CARBON 150K 5 1 2W R571 1 216 033 00 RES CHIP 220 5 1 10W R605 1 216 396 11 METAL OXIDE 3 9 5 3W F R610 1 215 924 00 METAL OXIDE 15K 5 3W F R611 1 202 933 61 FUSIBLE 0 1 10 1 2W F R613 1 219 134 11 FUSIBLE 0 1 10 1 4W R614 1 215 877 11 METAL OXIDE 22K 5 1W F R615 1 249 389 11 CARBON 4 7 5 1 4W R616 1 218 265 91 METAL 8 2M 5 1W R617 1 215 924 00 METAL OXIDE 15K 5 3W F R619 1 21...

Page 35: ... 10W R1514 1 216 065 91 RES CHIP 4 7K 5 1 10W R1515 1 216 025 91 RES CHIP 100 5 1 10W SWITCH S601 1 571 433 31 SWITCH PUSH AC POWER S801 1 572 707 11 SWITCH LEVER S901 1 692 431 21 SWITCH TACTILE S902 1 692 431 21 SWITCH TACTILE S903 1 692 431 21 SWITCH TACTILE S904 1 692 431 21 SWITCH TACTILE S905 1 692 431 21 SWITCH TACTILE S906 1 692 431 21 SWITCH TACTILE SPARK GAP SG801 1 519 422 11 GAP SPARK ...

Page 36: ...20 5 1 4W F R732 1 215 411 00 METAL 390 1 1 4W R733 1 247 791 91 CARBON 22 5 1 4W R734 1 247 791 91 CARBON 22 5 1 4W R735 1 247 791 91 CARBON 22 5 1 4W R749 1 249 424 11 CARBON 3 9K 5 1 4W R750 1 249 424 11 CARBON 3 9K 5 1 4W R751 1 249 424 11 CARBON 3 9K 5 1 4W VARIABLE RESISTOR RV701 1 230 641 11 RES ADJ METAL GLAZE 2 2M RV703 1 230 641 11 RES ADJ METAL GLAZE 2 2M A 1241 204 A F1 BOARD COMPLETE ...

Page 37: ...TELESCOPIC 1 569 008 11 ADAPTOR CONVERSION 2P F35430206 3 862 849 21 MANUAL INSTRUCTION 4 060 230 01 INDIVIDUAL CARTON 4 060 323 01 CUSHION UPPER ASSY 4 060 324 01 CUSHION LOWER ASSY 4 377 015 01 BAG PROTECTION ACCESSORIES AND PACKING MATERIALS FOR F35821706 F35821796 1 417 151 21 MATCHING TRANSFORMER ANTENNA 1 501 372 81 ANTENNA TELESCOPIC 3 862 849 21 MANUAL INSTRUCTION 4 058 239 01 BAG PROTECTI...

Page 38: ...al for safety Replace only with part number specified REF NO PART NO DESCRIPTION REMARK REF NO PART NO DESCRIPTION REMARK 58 KV G14M2 RM 869 Sony Corporation Display Company TV Display Business Asia 9 965 693 01 English 98EM70118 1 Printed in Malaysia 1998 5 ...

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