Sony Trinitron KV-25M2A, Service Manual

Page 1: ... 883 Italian SCC Q06H A KV 25T2B RM 883 French SCC Q02G A KV 25M2D RM 883 AEP SCC Q04G A KV 25T2D RM 883 AEP SCC Q04H A KV 25M2E RM 883 Spanish SCC Q05G A KV 25T2E RM 883 Spanish SCC Q05H A KV 25M2K RM 883 OIRT SCC Q03J A KV 25T2K RM 883 OIRT SCC Q03K A KV 25T2R RM 883 OIRT SCC Q03L A KV 25T2L RM 883 Irish SCC Q07C A KV 25T2U RM 883 UK SCC Q01E A M I C R O F I L M TRINITRON COLORTV ...

Page 2: ...25M2A 25T2A 25T2B 25M2D 25T2D 25M2E 25T2E 25M2K 25T2K 25T2R 25T2L 25T2U Power Consumption 92 W 92 W 92 W 92 W 92 W 92 W 115 W 115 W PICTURE TUBE Super Trinitron Approx 63 cm 25 inches Approx 59 cm picture measured diagonally 110 degree deflection Input Output Terminals REAR 1 21 pin Euro connector CENELEC standard Inputs for Audio and Video signals Inputs for RGB Outputs of TV Video and Audio sign...

Page 3: ... Item KV 25M2A KV 25T2A KV 25T2B KV 25M2D KV 25T2D KV 25M2E KV 25T2E KV 25M2K KV 25T2K KV 25T2L KV 25T2R KV 25T2U Pal Comb OFF OFF OFF OFF OFF OFF OFF OFF PIP OFF OFF OFF OFF OFF OFF OFF OFF Woofer Box OFF OFF OFF OFF OFF OFF OFF OFF Scart 1 ON ON ON ON ON ON ON ON Scart 2 OFF OFF OFF OFF OFF OFF OFF OFF Front in 3 ON ON ON ON ON ON ON ON Scart 4 OFF OFF OFF OFF OFF OFF OFF OFF Projector OFF OFF O...

Page 4: ... input 0 7 3dB 75 ohms positive 8 Function select AV control High state 9 5 12V Part mode Low state 0 2V TV mode Input impedence More than 10K ohms Input capacitance Less than 2nF 9 Ground green 10 Open 11 Green Green signal 0 7 3dB 75 ohms positive 12 Open 13 Ground red 14 Ground blanking 15 _ _ Red input 0 7 3dB 75 ohms positive _ S signal Chroma input 0 3 3dB 75 ohms positive 16 Blanking input ...

Page 5: ...T DIRECTMENT RACCORDÈ Á L ALIMENTATION SECTEUR ATTENTION AUX COMPOSANTS RELATIFS Á LA SÈCURITÈ LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE MARQUE SUR LES SCHÈMAS DE PRINCIPE LES VUES EXPLOSÈES ET LES LISTES DE PIECES SONT D UNE IMPORTANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS...

Page 6: ...eveal On Screen Information Press to reveal all on screen indications Press again to cancel To Select Channels Press to select channels 8 Additional TV Features Using Select Mode You can select different preset picture and sound modes 1 Press the MENU button on the remote control to display the menu on the TV screen 2 With the cursor pointing at the SELECT symbol on the TV screen as shown press th...

Page 7: ...Represents the mode selected in the Using Select Mode section SELECT RM 883 PROGR MENU SELECT IIIIIIIIIIIIIII IIIIIIIIIIIIIII IIIIIIIIIIIIIII IIIIIIIIIIIIIII IIIIIIIIIIIIIII 10 Additional TV Features Using the Sleep Timer The TV may be set to switch automatically to the standby mode after a length of time chosen by you You may set the time in 15 minute steps up to 4 hours RM 883 PROGR MENU 1 Press...

Page 8: ...5 153 101 98 Index TELETEXT Programme News Sport Weather 25 153 101 98 Teletext is an information service transmitted by most TV stations Index Programme News Sport Weather 25 153 101 98 TELETEXT Index Programme News Sport Weather 25 153 101 98 TELETEXT 11 Using the Wake Up Timer RM 883 PROGR MENU The TV may be set to switch automatically to the standby mode after a length of time chosen by you Yo...

Page 9: ...control to display the menu on the TV screen 2 Press the blue button to select the symbol on the TV screen then press the yellow button 3 With the cursor pointing at PROGR on the TV screen as shown press PROGR or button on the remote control to allocate a programme number to the channel eg PROGR 01 For double digit numbers e g 55 press the button on the remote control then the corresponding number...

Page 10: ...cting Headphones Plug in your headphones to the socket B on the front of the TV set You can connect optional audio or video equipment to your TV such as a VCR a camcorder or video games as shown 1 2 A B 8mm Hi8 camcorder VCR Playstation C 15 If a channel is slightly off tune you can use this fine tune procedure to obtain a better picture reception 1 With the channel you wish to fine tune on the sc...

Page 11: ...rammes Using the MENU system select the Picture Adjustment display Adjust the colour balance From the Picture Adjustment display select to return to the factory settings Distorted picture when changing Turn off any equipment connected to programmes or selecting teletext the 21 pin Euro connector on the rear of the TV Remote control does not function Replace the batteries If you continue to have th...

Page 12: ...12 KV 25M2 25T2 SECTION 2 DISASSEMBLY 2 1 REAR COVER REMOVAL 2 3 SERVICE POSITION 2 2 CHASSIS ASSY REMOVAL 2 1 Screw BTV 4x16 1 4 Screws BTV 4x16 3 Rear Cover ...

Page 13: ...node cap to the metal chassis CRT shield or carbon paint on the CRT after removing the anode REMOVAL OF ANODE CAP HOW TO HANDLE THE ANODE CAP 1 To prevent damaging the surface of the anode cap do not use sharp materials 2 Do not apply too great a pressure on the rubber as this may cause damage to the anode connector 3 A metal fitting called a shatter hook terminal is fitted inside the rubber cap D...

Page 14: ...rrect these areas a d Purity control Deflection yolk Preparation 1 In order to reduce the influence of geomagnetism on the set s picture tube face it in an easterly or westerly direction 2 Switch on the TV set s power and degauss with the degausser 3 1 BEAM LANDING 1 Input an all white signal from the pattern generator Set the Contrast and Brightness to normal 2 Set the pattern generator raster si...

Page 15: ...ertically adjust the V STAT magnet so that the Red Green and Blue points are on top of each other at the centre of the screen 3 If the H STAT variable resistor is unable to bring the Red Green and Blue points together at the centre of the screen adjust the horizontal convergence with the H STAT variable resistor and the V STAT magnet in the manner indicated below In this case the H STAT variable r...

Page 16: ... STAT VR to adjust the Red Green and Blue dots so that they coincide at the centre of the screen by moving the dots in the horizontal direction 3 Dynamic convergence adjustment Preparation Before starting this adjustment adjust the horizontal and vertical static convergence 1 Slightly loosen the deflection yolk screws 2 Remove the deflection yolk spacer 3 Move the deflection yolk as indicated in t...

Page 17: ...de 3 Enter into the Picture service menu 4 Select the Green drive and adjust so that the White Balance becomes optimum 5 Select the Blue drive and adjust so that the White Balance becomes optimum 6 Set the Picture to MIN 7 Set the R cut off to 07 8 Adjust the G cut off and the B cut off so that the White Balance becomes optimum 10 Press the button to return to TV operation 3 4 FOCUS 1 Input a Phil...

Page 18: ...s the Yellow button to enter into the required menu item 6 Press the Menu button on the Remote Commander to quit the Service Mode when all adjustments have been completed Note The data shown in the TV STATUS table is dependant on destination and country TEST MENU Picture Geometry Sound TV Status AGC Adjust Technical PICTURE R Drive Adj G Drive Adj B Drive Adj R cut off Adj G cut off Adj B cut off ...

Page 19: ...e colour bars are of equal levels as indicated below Note Ensure that no signal is applied to the Antenna socket while carrying out the following IF adjustments SYSTEM B G D K I L I F ADJUSTMENT 1 Input a 38 9Mhz carrier signal at 100dBuV to Pin 11 IF output of the tuner TU101 2 Measure the voltage at Pin 17 of IC101 3 Adjust L103 A Board to obtain a voltage of 2 5V 0 3V SYSTEM L BAND 1 I F ADJUST...

Page 20: ...JUSTMENT 1 Enter into the Geometry service menu 2 Select and adjust each item in order to obtain the optimum image GEOMETRY V centre Adj V size Adj V Lin Adj S Corr Adj H Cent Adj H Size Adj Pin Amp Adj Corner Pin Adj Pin Phase Adj V Bow Adj V Angle Adj Upper V Lin Adj Lower V Lin Adj Left HBLK 07 Right HBLK 07 CD Mode AV 01 ...

Page 21: ...est 37 No function 38 No function 39 No function 40 No function 41 Re initialize the NVM Only when Prog 59 42 Re initialise geometry settings Only when Prog 59 43 No function 44 No function 45 No function 46 No function 47 No function 48 Set NVM as NON Virgin Only when Prog 59 49 Set NVM as Virgin Only when Prog 59 50 No function 51 No function 52 No function 53 No function 54 No function 55 No fu...

Page 22: ...s acknowledge at Power ON 07 Jungle controller no IIC acknowledge at Power ON 08 Tuner no acknowledge at Power ON 09 Sound processor no acknowledge at Power ON 10 Error Times 2 3 4 5 6 7 8 9 10 4 3 FE 1 SELF DIAGNOSTIC SOFTWARE The identification of errors within the FE 1 chassis is triggered in one of two ways 1 Busy or 2 Device failure to respond to IIC In the event of one of these situations ar...

Page 23: ...RECT IC001 MICRO CONTROLLER SCLO SDAO SDA SCL MON OUT CN601 J401 CN504 FBO CP VCC D S HP B HV D511 CN502 0 MSP ASW 0 V BLK 0 B DROP 0 VOL 0 SP MUTE OSD BLK R G B 0 WP EXT CVBS 0 XRAY PROT VP HP X IN MON OUT X OUT 0 ROT VC RESET I PROCDES 0 STBY 0 BAND L 0 BAND L 0 BAND M AGC DEFEAT AGC MON I AFT BE DK I 0 RFAGC 0 COIN INT BLK INT R2 IN INT G2 IN INT B2 IN SDAO SCLO HP PROTECT Y1 CVBS IN CI IN XTAL...

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Page 27: ...MTZJ T 77 6 8A MTZJ T 77 6 8C MTZJ T 77 9 1A MTZJ T 77 9 1B MTZJ T 77 12B DAN202K DAN202K T146 AK04 V1 AU 012 V1 DINL20 TR ERB44 06TP1 EG 1Z V1 EL1Z SAA5498PS M1A 019 SAA5498PS M1A 041 SAA5498PS M1A 042 SAA5498PS M1A 043 TOP VIEW 52 27 1 26 STR F6654 TDA7494 TDA9818 V1 TDA9817 V1 TOP VIEW 1 12 24 13 TOP209P TOP VIEW 1 4 8 5 TYA7805CTV TYA7809CTV 2SK2251 01 F19 E B C SEL12108 D UF4005PKG23 8 7 6 5 ...

Page 28: ... I T EW PARABOLA FUNC H SIZE TRAPEZIUM PIN AMP EW DC CORNER PIN 48 47 46 5 1 15 39 38 37 28 27 26 25 32 31 30 29 23 24 35 14 11 19 18 20 36 42 3 CLAMP RGB 2 2 ABL PEAK LIM ABL MODE ABL VTH 17 5 IREF REG 33 10 12 16 13 4 7 9 6 41 2 43 HD GEN HD W V SAW GEN 50 50 VTIM H TIM GEN H BLK LEFT HBLK RIGHT HBLK AFC APC GAIN FH HIGH H CENT 21 22 34 VD SAW FUNC VON S CORRECTION VSIZE V LINEARITY V POSITION E...

Page 29: ...1 POWER CORD FILTER UK KV 25T2L 25T2U 1 690 270 21 CORD POWER WITH CONNECTOR KV 25T2R 4 1 453 264 11 TRANSFORMER ASSY FLYBACK NX 1680 U2B4 5 8 598 331 02 TUNER VSS BT AC401 KV 25M2A 25T2A 25M2D 25T2D 25M2E 25T2E KV 25M2K 25T2K 25T2L 25T2R 25T2U 1 693 310 11 TUNER TELE 002B KV 25T2B 6 A 1632 761 A A BOARD COMPLETE KV 25M2A A 1632 762 A A BOARD COMPLETE KV 25T2A A 1632 788 A A BOARD COMPLETE KV 25T2...

Page 30: ...POWER 55 4 202 964 01 SPRING 56 4 204 215 01 WINDOW 57 4 204 213 01 GUIDE LIGHT 58 8 733 254 05 PICTURE TUBE SD 257 M60LCS60X 59 8 451 404 23 DEFLECTION YOKE Y25GXABA 60 A 1638 111 A C BOARD COMPLETE 61 4 369 318 21 SPRING TENSION 62 1 416 465 21 COIL DEMAGNETIC 63 4 202 745 01 HOLDER DGC 25 64 3 704 495 01 SPACER DY 65 1 251 317 31 CAP ASSY HIGH VOLTAGE 66 4 203 043 01 SCREW PT 67 1 504 698 11 SP...

Page 31: ...5 11 ELECT 22MF 20 50V C012 1 126 959 11 ELECT 0 47MF 20 50V C013 1 163 017 91 CERAMIC CHIP 4700PF 10 50V C016 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C018 1 164 232 11 CERAMIC CHIP 0 01MF 10 50V C019 1 163 038 00 CERAMIC CHIP 0 1MF 25V C022 1 126 935 11 ELECT 470MF 20 16V C024 1 126 964 11 ELECT 10MF 20 50V C025 1 126 960 11 ELECT 1MF 20 50V C029 1 163 077 00 CERAMIC CHIP 0 1MF 10 25V C030 1 126 9...

Page 32: ...CHIP 18PF 5 50V C314 1 163 038 00 CERAMIC CHIP 0 1MF 25V C316 1 163 259 91 CERAMIC CHIP 220PF 5 50V C317 1 136 169 00 FILM 0 22MF 5 50V C319 1 126 964 11 ELECT 10MF 20 50V C321 1 126 963 11 ELECT 4 7MF 20 50V C322 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C328 1 104 664 91 ELECT 47MF 20 25V C329 1 164 232 11 CERAMIC CHIP 0 01MF 10 50V C330 1 163 038 00 CERAMIC CHIP 0 1MF 25V C331 1 164 232 11 CERAMIC...

Page 33: ...CT 100MF 20 25V C611 1 165 127 11 CERAMIC 470PF 10 500V C612 1 161 964 51 CERAMIC 0 0047MF 250V C613 1 161 964 51 CERAMIC 0 0047MF 250V C615 1 130 202 00 FILM 0 022MF 10 400V C618 1 107 890 11 ELECT 2200MF 20 25V C621 1 163 005 11 CERAMIC CHIP 470PF 10 50V C622 1 161 964 51 CERAMIC 0 0047MF 250V C624 1 104 665 11 ELECT 100MF 20 25V C625 1 104 665 11 ELECT 100MF 20 25V C628 1 124 347 00 ELECT 100MF...

Page 34: ...ODE RD6 8ES B2 D409 8 719 109 97 DIODE RD6 8ES B2 D422 8 719 109 97 DIODE RD6 8ES B2 D423 8 719 109 97 DIODE RD6 8ES B2 D424 8 719 929 15 DIODE HZS9 1NB2 D425 8 719 929 15 DIODE HZS9 1NB2 D427 8 719 109 97 DIODE RD6 8ES B2 D502 8 719 924 13 DIODE MTZJ T 77 22B D511 8 719 028 72 DIODE RGP02 17EL 6433 D512 8 719 302 43 DIODE EL1Z D513 8 719 979 85 DIODE EGP20G D514 8 719 979 85 DIODE EGP20G D534 8 7...

Page 35: ...0UH L302 1 408 611 31 INDUCTOR 47UH L303 1 408 609 41 INDUCTOR 33UH L401 1 408 611 31 INDUCTOR 47UH L405 1 216 295 00 SHORT 0 L501 1 408 611 31 INDUCTOR 47UH L502 1 412 529 11 INDUCTOR 22UH L503 1 412 521 31 INDUCTOR 4 7UH L532 1 412 553 11 INDUCTOR 3 3MMH L533 1 406 989 21 INDUCTOR 0UH L535 1 459 111 00 INDUCTOR 0UH L537 1 409 756 11 COIL HORIZONTAL LINEARITY L540 1 535 303 00 LEAD JUMPER 5 0MM L...

Page 36: ...R036 1 216 065 00 RES CHIP 4 7K 5 1 10W R038 1 216 073 00 RES CHIP 10K 5 1 10W R039 1 216 089 00 RES CHIP 47K 5 1 10W R044 1 216 295 00 SHORT 0 R045 1 216 295 00 SHORT 0 R046 1 216 089 00 RES CHIP 47K 5 1 10W R047 1 216 067 00 RES CHIP 5 6K 5 1 10W R048 1 216 081 00 RES CHIP 22K 5 1 10W R049 1 216 057 00 RES CHIP 2 2K 5 1 10W R050 1 216 041 00 RES CHIP 470 5 1 10W R051 1 216 049 00 RES CHIP 1K 5 1...

Page 37: ...10W KV 25T2B R150 1 216 025 00 RES CHIP 100 5 1 10W KV 25M2K 25T2K 25T2R R151 1 216 049 00 RES CHIP 1K 5 1 10W R152 1 216 025 00 RES CHIP 100 5 1 10W KV 25T2B R153 1 216 180 00 RES CHIP 180 5 1 8W KV 25T2B R154 1 216 238 91 RES CHIP 47K 5 1 8W R155 1 216 089 00 RES CHIP 47K 5 1 10W R156 1 216 073 00 RES CHIP 10K 5 1 10W KV 25T2B R157 1 216 063 91 RES CHIP 3 9K 5 1 10W KV 25T2B R158 1 216 069 00 RE...

Page 38: ...11 CARBON 0 47 5 1 4W F R516 1 249 493 11 CARBON 56K 5 1 2W R517 1 249 434 11 CARBON 27K 5 1 4W R518 1 216 065 00 RES CHIP 4 7K 5 1 10W R520 1 215 884 11 METAL OXIDE 47 5 2W F R521 1 216 117 00 RES CHIP 680K 5 1 10W R522 1 216 097 00 RES CHIP 100K 5 1 10W R523 1 216 121 91 RES CHIP 1M 5 1 10W R524 1 216 083 00 RES CHIP 27K 5 1 10W R525 1 216 057 00 RES CHIP 2 2K 5 1 10W R526 1 216 089 00 RES CHIP ...

Page 39: ...437 195 11 TRANSFORMER HORIZONTAL DRIVE T532 1 431 228 11 TRANSFORMER POWER MODULATION T601 1 427 962 11 TRANSFORMER LINE FILTER T602 1 431 732 11 TRANSFORMER CONVERTER SRT T603 1 431 777 11 TRANSFORMER CONVERTER THERMISTOR THP601 1 810 961 11 THERMISTOR POSITIVE TUNER TU101 8 598 331 02 TUNER VSS BT AC401 KV 25M2A 25T2A 25M2D 25T2D 25M2E 25T2E KV 25M2K 25T2K 25T2L 25T2R 25T2U 1 693 310 11 TUNER T...

Page 40: ...791 91 CARBON 22 5 1 4W R709 1 202 844 00 SOLID 330K 10 1 2W R711 1 247 843 11 CARBON 3 3K 5 1 4W R712 1 260 103 11 CARBON 2 2K 5 1 2W R713 1 249 439 11 CARBON 68K 5 1 4W R714 1 216 486 00 METAL OXIDE 8 2K 5 3W F R715 1 249 417 11 CARBON 1K 5 1 4W R716 1 247 815 91 CARBON 220 5 1 4W R717 1 247 815 91 CARBON 220 5 1 4W R718 1 202 814 11 SOLID 33K 10 1 2W R719 1 247 791 91 CARBON 22 5 1 4W R720 1 24...

Page 41: ...2K 25T2L 25T2R 25T2U 1 693 310 11 TUNER TELE 002B KV 25T2B 8 451 404 23 DEFLECTION YOKE Y25GXABA 8 733 254 05 PICTURE TUBE SD 257 M60LCS60X ACCESSORIES AND PACKAGING MATERIAL 4 204 210 41 MANUAL INSTRUCTION KV 25M2A 25T2A ITALIAN 4 204 210 51 MANUAL INSTRUCTION KV 25T2B FRENCH ITALIAN GERMAN DUTCH 4 204 209 11 MANUAL INSTRUCTION KV 25M2D 25T2D ENGLISH GERMAN GREEK DUTCH TURKISH 4 204 210 11 MANUAL...

Page 42: ...KV 29X5 Sony Corporation Sony UK Service Promotions Dept 9 974 968 01 English 98CP7174 1 Printed in U K 1998 3 ...