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Sony TRINITRON KV-G14L2J, Service Manual

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Sony TRINITRON KV-G14L2J Service Manual Download Page 4

– 4 –

KV
-G14L2J/G21M2J

RM-869

SECTION 1

GENERAL

The operating instructions mentioned here are partial abstracts from  the
Operating Instr uctions Manual. The page numbers of the Operating
Instruction Manual remain as in this manual.

3

1

– PROGR +

SELECT

–  PROGR +

–

TV/VIDEO

SELECT

VHF      LOW             B/G

1

2

3

1

2

˘

Summary of Contents for TRINITRON KV-G14L2J

Page 1: ...MODEL COMMANDER DEST CHASSIS NO MODEL COMMANDER DEST CHASSIS NO KV G14L2J RM 869 ME SCC U07G A KV G21M2J RM 869 ME SCC U07F A SERVICE MANUAL BG 2S CHASSIS TRINITRON COLOR TV ...

Page 2: ...1 Vp p 75 ohms audio 500 mVrms high impedance Outputs A earphone jack mini jack Ú monitor output jacks phono jacks D video 1 Vp p 75 ohms audio 500 mVrms Picture tube 14 in 21in Tube size cm 37 54 Measured diagonally Screen size cm 34 51 Measured diagonally Dimensions w h d mm 373 346 412 516 464 478 Mass kg 11 22 SPECIFICATIONS CAUTION SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP...

Page 3: ...4 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 Board 3...

Page 4: ...he operating 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 ...

Page 5: ...reen Connecting audio video equipment using the Ú monitor output jack Rear of TV to antenna socket Camcorder Front of TV 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 input you are recording also will be changed Signal flow VCR to antenna output ÖÚ D to video and audio inputs to Ú monitor output D...

Page 6: ...r 1 2 3 4 6 7 8 9 0 5 PROGR PROGR or or TV PROGR TV VIDEO SELECT R U u U VHF LOW B G 1 1 2 3 1 AUTO PROGRAM SELECT SELECT Number PROGR 7 Getting Started EN Presetting channels manually 1 Press SELECT on the remote commander or the TV until MANUAL PROGRAM appears on the screen 2 Press on the remote commander or on the TV 3 Press PROGR or number buttons on the remote commander or PROGR on the TV unt...

Page 7: ...You can set the TV automatically turned on as you program 1 Press B repeatedly to set the timer The on screen display appears and the Bindicator on the TV lights up 2 If you want a particular TV program or video input to be displayed using the Wake Up Timer select the TV program or video input 3 Press u on the remote commander or set the Sleep Timer to turn off the TV in standby mode To cancel the...

Page 8: ...OR 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 commander The supplied remote commander is used on several models of the TV If you do not find instructions for some controls that are on the remote commander that means...

Page 9: ... 9 KV G14L2J G21M2J RM 869 2 1 REAR COVER REMOVAL 2 2 A BOARD REMOVAL SECTION 2 DISASSEMBLY Four screws BVTP 4 16 1 2 Two screws BVTP 4 16 Lever Lever A board 2 3 SERVICE POSITION A board ...

Page 10: ...the new parts and fix them with screws BVTP respectively 2 4 1 REPLACEMENT OF MULTI BUTTON 2 4 2 REPLACEMENT OF LIGHT GUIDE 2 5 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 6 DEMAGNETIZATION COIL REMOVAL Two claws A board Terminal board bracket A board Terminal board bracket 1 Demagnetization coil 2 Tension spr...

Page 11: ...ot press the 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...

Page 12: ...ower 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 y...

Page 13: ...anding 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 Minim...

Page 14: ...e 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 assembly Fix a Perma...

Page 15: ...TA 3F 3F 3F 3 4 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 2 WHITE BALANCE ADJUSTMENTS 1 Set to Service Mode 2 Input an entire white ...

Page 16: ...for 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 ...

Page 17: ...ce item number 3 6 Raise lower the data MUTING Writes Executes the writing 7 All data becomes the 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 SERVICE Mode 08 Dat...

Page 18: ...e executed 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...

Page 19: ...mum Data 15 PMI 05 04 04 Picture Minimum Data 16 SBR 4B Sub Brightness 17 SHU 07 Sub Hue 18 SSH 01 TV Video 01 03 01 03 Sub Sharpness 19 SC1 1F 50 60Hz 26 29 26 29 Sub Color Lower 1A SC2 0B 50 60Hz 0C 0D 0C 0D Sub Color Higher 1B AIP 40 3F 3F Adjustment IF PLL 1C VZM 20 19 19 Vertical Zoom 1D WST 15 W G Stereo Threshold 1E WBT EA W G Bilingual Threshold 1F WLL 05 W G Monaural Threshold 20 ACG 1 AG...

Page 20: ...rent Data listed on the adjustment item table are reference values therefore it is different for every model Item Adj Initial Note for Different Data Standard Data Standard Data Function Device No Item Data KV G14L2J KV G21M2J 39 OSH 0A OSD H Position 3A DKS 1 0 0 D K Stereo enable disable 3B MUT 0 Muting on off at No Sync 3C ABL 0 Bright ABL Switch 3D SCM 0 SECAM Trap active inactive 3E FBT 1 FBT...

Page 21: ...t muted always Other optional bits are effective if set to 1 3B OP1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 Item 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 availabl...

Page 22: ...normal 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...

Page 23: ... and adjustable resistors have characteristic curve B unless otherwise noted Readings are taken with a color bar signal input no mark PAL SECAM NTSC 3 58 NTSC 4 43 Readings are taken with a 10 MΩ digital multimeter Voltage are dc with respect to ground unless otherwise noted Voltage variations may be noted due to normal production tolerances All voltages are in V Can not be measured Circled number...

Page 24: ...204 A 2 Q1207 A 2 Q1208 B 2 Q1209 C 4 Q1265 C 1 Q1513 G 6 DIODE D001 D 9 D002 C 12 D003 C 10 D005 E 8 D008 H 13 D103 D 1 D201 B 9 D251 B 8 D252 F 12 D523 C 9 D300 D 4 D301 D 8 D302 C 8 D304 C 8 D305 D 8 D306 E 6 D307 D 5 D308 C 10 D310 D 9 D311 D 9 D312 C 6 D315 E 5 D351 E 8 D399 E 5 D401 E 4 D402 C 5 D403 C 9 D513 G 6 D551 I 5 D561 G 5 D691 I 6 D601 H 12 D604 G 8 D606 G 9 D607 I 8 D609 I 9 D610 H...

Page 25: ...2 1SS119 PROTECT 1SS119 1 1UH 1 1UH 1 1UH 1 1UH 1 1UH 1 1UH 1 1UH L78LR05D MA 5V REG TA8248K TDA4665T 5VSOP PQ09RE11 LA7830 V OUT SE115N ERROR AMP PC123F2 FEEDBACK µPC4558G2 E1 0 CHIP 0 CHIP 0 CHIP 0 CHIP 12 5MM 5MM 15MM 7 5MM 7 5MM 7 5MM 1 1UH 10MM 15MM 15MM 1µH FLR50 10µH ALI 10µH FLR50 8 2µH FLR50 1 2µH ALI 12µH ALI 15µH HLC 10mmH UN2211 2SC2410S 2SA1091R 2SC3209LK H DRIVE 4 7k CHIP 4 7k CHIP 4...

Page 26: ...EN FOCUS TO A BOARD FASTEN TERMINAL V901 PICTURE TUBE A34JBU70X CN103 KV G14L2J 1000V 200V 151 4 8 3 8 9 8 8 151 0 147 8 7 1 159 9 8 4 159 8 156 2 7 1 8 9 151 1 8 3 145 1 151 1 7 5 8 4 2 4 1 8 2 1 8 4 1 6 2 4 8 4 1 8 R G B R G B 1 1 2 3 4 1 2 3 4 5 6 5 10 9 8 7 6 4 3 1 11 13 G4 G2 G1 1 H1 H2 G1 2 KB KG KR G1 3 RCV R738 R739 R740 C708 C709 C710 D711 D712 C701 RV701 R734 R703 L701 CN701 L702 L704 CN...

Page 27: ...HFE 2SC2410SN 2SC2785 HFE E LETTER SIDE C B 2SC2611 LETTER SIDE E C B 2SC3209LK E C B 2SD2012 B C E D1NL20 EL1Z GP08D RGP02 17EL 6433 CATHODE ANODE D4SB60L ERC06 15S S3L20UF4 CATHODE ANODE ERD29 08J RU4DS ZSML 9 1B T1 CATHODE ANODE MA113 TX CATHODE ANODE MA77 CATHODE ANODE RD 2 2ES B2 RD 4 7ESB2 RD 5 1ES B1 RD5 6ESB2 RD8 2ES B2 RD9 1ES L 1SS119 25 CATHODE ANODE ...

Page 28: ...7 764 11 CUSHION SPEAKER G21M2J 7 4 372 556 11 SHEET BLOTTING G14L2J 4 385 725 01 SHEET BLOTTING G21M2J 8 4 365 808 01 SCREW 5 TAPPING 9 4 046 600 01 SPACER DY 10 4 369 318 01 SPRING TENSION 11 8 735 562 05 PICTURE TUBE A34JBU70X G14L2J 8 738 774 05 PICTURE TUBE A51JUH71X G21M2J 12 8 451 280 33 DEFLECTION YOKE Y21PXA2 G21M2J 8 451 481 21 DEFLECTION YOKE Y14NDA2 G14L2J 13 1 452 277 00 MAGNET BMC 14...

Page 29: ...0 001MF 10 50V C037 1 163 117 00 CERAMIC CHIP 100PF 5 50V C038 1 163 117 00 CERAMIC CHIP 100PF 5 50V C040 1 163 117 00 CERAMIC CHIP 100PF 5 50V C042 1 163 117 00 CERAMIC CHIP 100PF 5 50V C044 1 163 117 00 CERAMIC CHIP 100PF 5 50V C045 1 163 117 00 CERAMIC CHIP 100PF 5 50V C046 1 163 117 00 CERAMIC CHIP 100PF 5 50V C047 1 163 117 00 CERAMIC CHIP 100PF 5 50V C048 1 164 004 11 CERAMIC CHIP 0 1MF 10 2...

Page 30: ...35V C553 1 163 019 00 CERAMIC CHIP 0 0068MF 10 50V C554 1 102 244 00 CERAMIC 220PF 10 500V C555 1 101 804 00 CERAMIC 10PF 5 500V C562 1 104 665 11 ELECT 100MF 20 16V C603 1 161 830 00 CERAMIC 0 0047MF 500V C604 1 107 414 11 ELECT BLOCK 220MF 20 400V C605 1 161 830 00 CERAMIC 0 0047MF 500V C606 1 161 830 00 CERAMIC 0 0047MF 500V C607 1 161 830 00 CERAMIC 0 0047MF 500V C608 1 104 332 11 CERAMIC 470P...

Page 31: ...719 510 26 DIODE D1NL20 TA2 D611 8 719 510 26 DIODE D1NL20 TA2 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 DIODE EL1Z D857 8 719 908 03 DIODE GP08D D858 8 719 908 03 DIODE GP08D D860 8 719 911 19 DIODE 1SS119 25 D901 1 810 039 11 LED UNIT D1201 8 719 121 24 DIODE RD9 1ESL D1202 8 719 121 24 DI...

Page 32: ...4 7K R028 1 216 025 91 RES CHIP 100 R029 1 216 065 00 RES CHIP 4 7K R031 1 216 049 91 RES CHIP 1 0K R033 1 216 049 91 RES CHIP 1 0K R035 1 216 049 91 RES CHIP 1 0K R036 1 216 049 91 RES CHIP 1 0K R038 1 216 033 00 RES CHIP 220 R040 1 216 033 00 RES CHIP 220 R041 1 216 025 91 RES CHIP 100 R042 1 216 039 00 RES CHIP 390 R045 1 216 057 00 RES CHIP 2 2K R047 1 216 025 91 RES CHIP 100 R048 1 216 025 91...

Page 33: ... CARBON 1 8K 5 1 4W R627 1 249 417 11 CARBON 1K 5 1 4W R628 1 249 417 11 CARBON 1K 5 1 4W R629 1 249 401 11 CARBON 47 5 1 4W R632 1 249 381 11 CARBON 1 5 1 4W R636 1 215 924 00 METAL OXIDE 15K 5 3W F R801 1 215 921 11 METAL OXIDE 4 7K 5 3W F R803 1 216 057 00 RES CHIP 2 2K R804 1 216 049 91 RES CHIP 1 0K R805 1 216 081 00 RES CHIP 22K R809 1 247 763 11 CARBON 8 2K 5 1 2W F R811 1 216 350 11 METAL ...

Page 34: ...001MF 10 50V C023 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C024 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C025 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C026 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C027 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C028 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C029 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C034 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C035 1 163 009 11 CER...

Page 35: ...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 1 124 910 11 ELECT 47MF 20 50V C375 1 124 910 11 ELECT 47MF 20 50V C376 1 107 823 11 CERAMIC CHIP 0 47MF 10 16V C402 1 164 232 11 CERAMIC CHIP 0 01MF 10 50V C403 1 126 965 11 ELECT 22MF 20 50V C405 1 163 017 00 CERAMIC CHIP 0 0047MF 10 50V C406 1 163...

Page 36: ... 5mm PITCH 2P CN603 1 508 786 00 PIN CONNECTOR 5mm PITCH 2P CN851 1 508 766 00 PIN CONNECTOR 5mm PITCH 4P TRIMMER CT45 1 579 690 11 TRAP CERAMIC CT55 1 404 801 11 TRAP CERAMIC CT60 1 409 429 11 TRAP CERAMIC CT65 1 409 327 00 TRAP 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...

Page 37: ...R 2SD601A Q Q110 8 729 422 27 TRANSISTOR 2SD601A Q Q202 8 729 216 22 TRANSISTOR 2SA1162 G Q207 8 729 216 22 TRANSISTOR 2SA1162 G Q208 8 729 421 19 TRANSISTOR UN2213 Q210 8 729 424 67 TRANSISTOR UN2216 Q301 8 729 421 22 TRANSISTOR UN2211 Q303 8 729 422 27 TRANSISTOR 2SD601A Q Q402 8 729 922 66 TRANSISTOR 2SC2410SN Q403 8 729 424 67 TRANSISTOR UN2216 Q404 8 729 424 67 TRANSISTOR UN2216 Q405 8 729 21...

Page 38: ...00 RES CHIP 12K R312 1 216 025 91 RES CHIP 100 R313 1 216 061 00 RES CHIP 3 3K R314 1 216 025 91 RES CHIP 100 R315 1 216 295 91 SHORT 0 R318 1 216 099 00 RES CHIP 120K R319 1 216 123 11 RES CHIP 1 2M R320 1 216 083 00 RES CHIP 27K R321 1 216 689 11 METAL CHIP 39K 0 50 1 10W R322 1 216 083 00 RES CHIP 27K R325 1 216 295 91 SHORT 0 R326 1 216 039 00 RES CHIP 390 R327 1 216 295 91 SHORT 0 R328 1 216 ...

Page 39: ...11 CARBON 10K 5 1 4W R857 1 249 438 11 CARBON 56K 5 1 4W R858 1 216 370 11 METAL OXIDE 1 2 5 2W F R860 1 247 887 00 CARBON 220K 5 1 4W R881 1 216 043 91 RES CHIP 560 R882 1 216 059 00 RES CHIP 2 7K R883 1 216 121 91 RES CHIP 1 0M R895 1 216 349 00 METAL OXIDE 1 5 1W F R898 1 249 421 11 CARBON 2 2K 5 1 4W R902 1 216 065 00 RES CHIP 4 7K R906 1 216 065 00 RES CHIP 4 7K R907 1 216 043 91 RES CHIP 560...

Page 40: ...1 CARBON 3 3K 5 1 2W R707 1 260 105 11 CARBON 3 3K 5 1 2W R708 1 260 105 11 CARBON 3 3K 5 1 2W R709 1 215 899 11 METAL OXIDE 15K 5 2W F R711 1 215 899 11 METAL OXIDE 15K 5 2W F R713 1 215 899 11 METAL OXIDE 15K 5 2W F R714 1 247 807 31 CARBON 100 5 1 4W R717 1 215 409 00 METAL 330 1 1 4W R718 1 249 409 11 CARBON 220 5 1 4W F R719 1 247 807 31 CARBON 100 5 1 4W R720 1 216 346 00 METAL OXIDE 0 56 5 ...

Page 41: ...1 CARBON 1 5K 5 1 4W R728 1 249 407 11 CARBON 150 5 1 4W R729 1 249 408 11 CARBON 180 5 1 4W R730 1 249 408 11 CARBON 180 5 1 4W R731 1 249 399 11 CARBON 33 5 1 4W R732 1 249 399 11 CARBON 33 5 1 4W R733 1 249 399 11 CARBON 33 5 1 4W R734 1 247 739 11 CARBON 100 5 1 2W R738 1 247 807 31 CARBON 100 5 1 4W R739 1 247 807 31 CARBON 100 5 1 4W R740 1 247 807 31 CARBON 100 5 1 4W R755 1 249 418 11 CARB...

Page 42: ...safety Replace only with part number specified Les composants identifies par une trame et une marque sont critiques pour la securite Ne les remplacer que par une piece portant le numero specifie 56 KV G14L2J G21M2J RM 869 Sony Ichinomiya Corporation Quality Assurance Division 9 965 192 01 English 97LM08161 1 Printed in Japan 1997 12 ...

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