SERVICE MANUAL
Contents
1. ssh sau in B SSBE3Dc s A 28 r OoOo en ce NE e O d FsL NT A YT n 101 1210 1 5 A CHIP 9 R280 8101 5802 81 0111 Cusi enz 120 t124 8127 A 1 2 BOARD IC VOLTAGE TABLE as 3 3K F 100 108 1 25410976 47 T 60200 21 T 0122 810 470 CHIP sce CHIP 16v 2802412K R2 I 28010 BUF BUFF 15 9130 1 TR IC Voltage Table 9120 2221 t102 BUFF 353551E 133 9112 Pel 10 0124 RefNo Pin No Voltage V 588016 MEN ist SCHIP R137 BU U PC DISABLE 4 000 ik 1 Rs 4 R135 R12 470 Piles ey ALIS 59 A ERRE AUS Ah eat A 50 HREO Me 1 1 CRIP thre CHIP CHIP CHiP 0606 EL 0606 SL CHIP RST 1 ANS 150 8218 CrosRIOS 6102 R107 t121 C122 8125 8129 67120 150 R136 R138 AFT 60 UOZ TE 17 5 6B 78218 120 Mee 346 5 3 220 470 R3 4 7 ai I 02 5 68 2 20 T 16 VIBES CHIP eL 10006 stHIp CHIP CHIP SCHIP AGC MONI R37 4 7 a GREEN UDZ TE 17 S 6B SIF SDA eee on F CHIP 55 z RIG 100 SV A STDBY SV2. scl TUNER AUDIO CONTROL SW ona usus SIE E 1 2 2 lt BIGTAL SIGNAL PROCESSING Seen eae ae Y C JUNGLE MICRO CONTROLLER z 18 0 1 F CHIP 002 I ns ol in C10 470F 9 4 5V a 51982222392 ae 1 H 300 i G AV 1 i 8 RZL 110 CHIP HAER m 99 T T R R210 vie 0227 FBI FB 1 1 125 4 7 828 12 WB cus 7 6201 Rags 819005 717 pT2 TIT1 6 8C 1 57 ai ip 2 R270 R271 72 73 8206 25C2412K evaa R204 ae hip SVHS Y tute BERT 1 0223 82 8225 8226 4 R208 SE SVHS C UNZ TE 17 9 1B UDZ TE 17 9 1B 092 17 9 1 UBZ TE 17 9 1B q 45 530 x CHIP i D 2 9 812 mu 8201 70 AVE 988 10 ECHIP wy i CHIP sov UDZ TE 17 9 1B 20 I c207 R200 F CHt eR 126 KA 100 CHP RES 2 26 CHIP CN201 250201 PSU Oar AET pss up BUAL SCART yy 25 BUFFER MONI B3S Che R226 i008 5 eves out 8 s GND 21 CHIP 50 CHIP UDZ TE 17 9 1B R269 10 Neves ave 16201 n R209 EXA2040AQ T4 SOA 01002 224 22 CVBS IN 28 VIDEO Sw
3. 81751 330 TO ROTATION G BOUT VM AMP 21 Board KV 28WF1 KV 28WF1 C1846 1701 t oe o 281725 22 lt 8170 1 660 415 1111 711 801 110 2068 ee ROTATION AMP 2 C BOARD TRANSISTOR VOLTAGE TABLE Transistor Voltage Table B Collector Emitter VM BOARD TRANSISTOR VOLTAGE TABLE Transistor Voitage Table Ret No B Base Collector Emitter 64 D2 BOARD IC VOLTAGE TABLE IC Voltage Table Tae Tom ws 1 2 2 8 1802 KV 28WF1 AEP KV 28WF1A 28WF1D 28WF1E and 28WF1K 28WF1R ONLY TUVIF UK KV 28WF1U ONLY Bo TVE 01 lt UK AEP gt IF _ m _ SIF J 18 95 a 4 h Rg T afte GND iS F ine IE Board W 806 2 2 807 109 VIDEO CHIP i i I rivet 0 EES B CHIP 0 T F CHIP OS 5 RGI 3216 CN02 gf amp z geo ap 288 s 2s AFT 528 ig B G t Bs I Wee ot gest
4. our 12 1 m 220 2541087 Rs 1009F SL CHIP CVBSZY IN 5 2 29 1 12 19 set m fas CvBS OUT Bt 9222 0 swea v mip syns ate Ai 54 al E AN sov 2 17 9 1 te aie 0205 9 avna 8 Hle UDZ TE 17 5 6B ae Fi 3 22 H 3 Pe 9 a AFT 220 EHIP 3 yan 8 I z o Z u EWE AGC MON 45 GND Bl 13 8202 GFE 0 OISABLE x GND hi LUDZ TE 17 9 1B TY2Y3YAY SY EY BLANKING Bi 1 gt ie v2 irae TOBY ISV RED IN pg 9 8228 8209 I J m SVHS C IN 202 17 8 18 SM AN sls oh 2 5 gt aa J pa 5 4 4 TE 12 i 5 R230 t22 R229 _ S E _ syHg t sS 155 5 GND BI 22 2 2 226 0210 V CH CHIP FC 2 RY B CHIP F CHIP CHIP 062 17 9 1 SIF FRENCH 0504 Ni f t aks 2550412 go He 45 1 NC BI UFF 58 4 RS SCHIP CANI ve SL CHIP 1 8550 1 818 19 x GREEN IN m 0203 Ra ciie 2 NC 2CHIP UDZ TE 17 9 1B 357 Qs 218 3 4 015 Ebr 9 5 lt 80 Of asain i NC lM 1 5 GNO 58 awe he r i 17 9 98252 7 202 9
5. 33 3 OUT 65 ransistor Voltage Table 242 GND 8255 1 0 2 1 t 1 81 sa alaja Reino ase Colector Emitter R219 2215 624 A218 Fw ERG 1302 4700 To 8205 31 TOALGGST T 5 CHIP lhe richie RIP 82 17 9 18 8256515 3 ala SI g 22 BE wir Bie SARE ere eee a ieee we et oe s 8482 t 9 1438885855 4358858888 TENAN 3 PRRP ae 6226 215 Sov asua G 8 es Yse s1 5253154 SSL SEXSTIGEK STKE GRN ORIVE 2 LASA Hale eschir 92 17 9 18 A BLUE BRIVE 3 2 l 0246 8 1 ZS P Boara 9 44 CHIP ie 5021 sov 2 lt gt HP R mg chie iche I 24 g Bt S a i Ti i a 27 CHIP CH 5 CHIP B HIP 14 205 a PEA SP R g 510006 som AURIO R lt SPL I N Bo 11 AUDIO L AUDIO L AV 3 F i g L R242 R241 R240 8215 unr Te 17 5 48 t268 C267 1 ot AUDIO AV 3 10 05 Boano PRATES Sa fy UBZ TE 17 9 1B 2 250 341 2K neo GNB 1 eld dae 2 PO AUDIO R BUFFER 12 9 082 1000 2509410 CH I aK EVES AV 3 25282 3 CHIP SL HIP R33
6. ki 1208 383 HEADPHONES I 9 204 45 46 47 48 49 A g lol ag P lt gt lt 5 o gt loof WHT uy Q gt 80 e 85 _ 8833 25295055
7. FBADA FMN G1 2 AU 012 3 2 72 108 te 0 R640 7 5MM REE al Be Rece 0407 27 0614 D 220 T 9 68 FMN G125 s 12 5MM 25V 1 i C419 HV OUT 0607 E6 12 Agg 4708 S00 B PIN OUT 5 CONTROL Sw AUDIO I ii 159 CONTROL SW AU N YECHRDMA IN 1551331 IN SIRCS RECEIVE INDICATOR 5 5 Vp p V R624 10 0607 x 25C17405 RT RELAY DRIVE STBY 5V ST0BYSV SY D TRANSISTOR VOLTAGE TABLE GND B SSBE39 lt gt 93 28WF1 F GND ee a 0809 22 NB RGPO2 20EG23 ar CN2801 chine ROT COIL 5P 00 05 505 155 w t10o0y RED 0501 Ge TOE t 500 200V ae 5 MICRO 0502 NC 82 GND BOARD 3 EFLECTION YOKE ae 2 2 8 NC 64701 16 3 HTZJ 3 6 5 8 HF G Wo m ae te 522 s H RIVE SW 2 9V oe G if 135 50 v an 2 0507 555 3 cae ff MIZES GNB 9502 oy 4 TO CRT EMT 2 1 2SA9558 RT 2802 4700 00 rey WHT NGC oe 3526 aa Z POY LOK 2 2 9510 GND 161 7 NTZJ 22B 1 50802 ae TO C BOARD q Fy 9503 H 9Y H
8. Sw 5 gS a8 5 8 589 8 2 2 2 33 22 BUFF 8 s 902 lt lt E me me ee a 955 58 lt gt 28 1 X22252 A BOARD MARK Model s 28WF1A 28WF1B 28WF1D 28WF1E 28WF1K 28WF1R 28WF1U ons ee 330PF E M 220 2208 2208 2208 2208 core O 1UF O AUF O 1UF A C373 0 2202 0 22UF 0 22UF 0 22UF 0 22UF CF120 TRAP 6 5MHz TRAP 6 5MHz TRAP 6 5MHz TRAP 6 5 2 D370 BAS216 BAS216 BAS216 BAS216 BAS216 is TMS27PC010A TMS27PCO010A TMS27PC010A TMS27PC010A TMS27PC010A TMS27PC010A TMS27PCO10A 15 606 15FML 15FML 15FML 15FMBE606 15FMBE606 15FML 10202 MSP3400C PS C6 T MSP3410B PS F7 T MSP3400C PS C6 T MSP3410B PS F7 T MSP34000 PS C6 T MSP3400C PS C6 T MSP3410B PS F7 T 10303 TDA8395T N3 TDA8395T N3 TDA8395T N3 TDA8395T N3 TDA8395T N3 t102 5 6UH 5 6UH 5 6UH 5 6UH 0121 28021412 7 146 28021412K T 146 R 28021412K T 146 R 2SC21412K T 146 R 9124 2SC21412K T 146 R 25021412 146 8 28021412 146 2SC21412K T 146 R 130 2 1037 146 25 1097 146 8 2SA1037K T 146 R 2SA1037K T 146 R L R135 330 330 330 330 680 L TU401 TUVIF AEP AEP AEP UK 50 52
9. 2 UFF 72 R282 R283 Wy 3 A 5347 2 1 68h Yok 18 ost I T20 3 I T Tay 15 1 9 220 tvBS 4 7 AMP 5 cgay Ube Tent 7 908 077 R324 319 CHU CHIP CHIP CHIP poe ES 007 B CHIP 595 AUDIO SW I 47K ok 8 I 1 AUDIO L 7 3 d ror 1 BUFFER AUDID 2 t271 R285 R286 l 1000 K stss tile stile i 1 r 2 3 i gt l sms j ne wt ee on ee se ee 9229 gt 8 i ki d 1 82 17 9 18 3 a of ad 5 315 8220 27 0208 092 17 9 18 1 50 F CHI 2SA1037K CHIP _ BESO 28 BRD P2 2 L Qa L 6240 I 1 f ye eee De Om een Da Ma E an 1 2 237 i TRANSISTOR VOLTAGE TABLE 1 2 89910 SW Aity Mee S S a 2 2 2 105 Transistor Voltage Table I zu Dib SS of 5 Gu x 8 2 Ref No z z gt 22 s SP Sc ge22u ss Base Collector Emitter 250182 9205 29 ZE 5 5 8 85224 gt rid bing nel i R290 RaRa R287 BUFF S9TC144EK 8 55 59 9 0206
10. 53 54 KV 28WF1 B SSBE3D lt gt C 28WF E C 6 OUT R728 8711 2 REPLOGPKG23 288 9 BOARD FV 8718 33k 2 I I pa 9358 R723 B R739 8707 k 709 w 1551337 1551337 0708 l 5070205 rif 715217508 BRIVE BOORLYE CN703 702 712 R P i R717 8719 8729 8730 4 710 i 180 10MM 4 aby G In 21 en H A Boana CN301 8720 18313357 EMM a p 0711 9715 9 4705 GND 0 Sun 9701 8749 7 3 98 35 i Y WAVEFORMS C BOARD 2 3 M x 110 Vp p H 108 Vp p H 90 Vp p 2H 21 Vp p 2H 60 T cnt TO CRT COATING EARTH TO 8 BOARD KV 28WF1 KG KB G2 KRG TO BOARD 1803 CN804 TAB CONNECTOR 55 8 lt gt 28 1 CN1015 WHT 15 Boao ci 9 612 KV 28WF1 0 8 BOARD CN801 C1804 10 Sov 81802 2 77 10 5 COIL 2 ROTATION R1803 10k 135V 1 Garp 1009 TEN 01704 1 4 eg 140 1701 1
11. 88 49 82 lt 17 5 08 MODE 58 2 MODE LZ it R SR gt ZBERESA SSEE RBS R256 530 soa 25 1057 BLUE 87 uo2 1E219 9 18 eg eeg agp me thie StL 5 O I i F CHIP HIP 0 55 2 ATA 055 NC A7 ets 2 9 0304 1009 SL CHIP AUDIO L IN 86 470 0212 Pa 28 MOND IN AM 30 8 W 220 SCHIP 9500 100 16 AUOIO L IN 46 sce 82 17 9 1 a 79 WREF las cur 7 R255 ae 0359 0 01 B CHIP ew i ee ta pen GND las CHIP Jiti F CHIP CHIP L2 nP 2 125 outs GND B R33S 10w 0 59 RN CHIP GNO w 1 Rags Tas BIRIN AV s w 3 216 602 0279 22 Sov K AUB10 L DUT 83 nag paz R220 hor BALIN 1 202 2 280 9 1 0808 csssuras 08101 OUT 45 tale 82 17 9 18 35 ono DIGITAL SIGNAL HEE 50 1 ay arc FIL 1 A 2 2 BOARD AU9D10 R IN 82 aas ro Tes NARIN PROCESSING 282 0 1 R Y Leen R in faz bs kia TRANSISTOR VOLTAGE TABLE A avoro R Out 7 U82 TE217 9 18 a onah 0 z Transistor Voltage Tabl AUDIO R OUT 16
12. HT RGP15GPKG23 9 47 8140 9828 1810 1k 228 24808 SNN meam 1215 EY Hay NC A BOARD SPKRL TH Ww GND VM 5789 VM OUT 1015 188280 77 V DY 9V I HORIVE SPKRR ROT COIL t pues AUDIO z GND CONTACT ott a 25 17405 STBY LED RELAY RIVE 1 GND 8807 1 GND 33 RGP 10GPKG23 NO07 PULSE 2 H BY R818 I 3 GND 8 R Be 3 ONB TO B BOARD a 4 ROT COIL 4 CN800 5 GND TO 82 BOARO 5 pny VM OUT gt 20 0 350k 8 s FBT 15 CN1801 v Y MUTE N 22k 2 7 GND 6 V DY R 8 8 GND 1087 a Gne I J HZP L 0 156 a 10 V OUT RIN 5 r 4 EIN 50610 50 5 0802 8800 HUE IN 29 2 2 2519907701 TO 85 BOARD SIN 2 CN2803 wees wns 91206 8 2 eS 0 4 gt 8 be a Ka 1 2k 824 L DEFLECTION YOKE 2 nigo I a 5 3883 03 AUDIO L 81614515 FSV MUTE SW 1 881 402 11 1 712 146 100 ANOS SIBY 5v RRS 01200 286 12205 ix MUTE SW 81700 Rigon 1756 129 200 2900 GAP 2SC1740S RT RI211 3 3 R1212 3 9 L 901 901 3 8 SEL12105 0 AUDIO R C905 4 f C904 9 8907 10 100 N 5 900 122 5 68 T soy I
13. SERVICE MANUAL MODEL 20 crassis MODEL KV DOWEL A OO WE nes en V 28 WF 1B 28 WF R 839 5 200 28 WF1 D RM 839 5 7 28 WF U RM 839 UK SCC KO4N A KV 28WFIE ose TRINITRON COLOR TV SONY USEFUL INFO Error reader The BE 3D chassis supports the use of the Error Reader This Jig 18 available under part number 5 188 900 10 price code S The displayed code shows the actual error of the TV set Refer to the service manual or the table below for an explanation of those codes ERROR CODES 02 Protection circuit trip lt ANY TIME gt 03 IIC SCL LOW lt POWER UP ONLY gt 04 SDA LOW lt POWER UP ONLY gt 05 SDA and SCL LOW lt POWER UP ONLY gt 06 Jungle chroma controller no acknowledge lt POWER UP ONLY gt 07 Video switch no acknowledge lt POWER UP ONLY gt 08 Tuner no acknowledge 09 MSP no acknowledge 10 NVM no acknowledge 11 M3L TXD LOW lt POWER UP ONLY gt 12 M3L RXD LOW lt POWER UP ONLY gt 13 M3L ENABLE LOW lt POWER UP ONLY gt 14 M3L TXD AND RXD LOW lt POWER UP ONLY gt 15 Compact Text test fail lt POWER ONLY gt 16 AV switch cannot power on reset 17 Cannot initialise jungle 18 NVM acknowledge fail after initialisation 19 Multiple devices with no acknowledge lt POWER ONLY gt 20 Compact Text run time failure 21 A
14. VSWITCH response failure after power up 22 JUNGLE CHROMA controller response failure after power up 23 Compact Text does not respond 24 Sound processor run time failure 25 M3L bus clock low time out after data sent run time failure 26 M3L bus clock low time out afetr data sent power up 27 M3L bus clock low time out afetr data sent initialization 28 DSP run time failure Replacement of HV transformer Two types of high voltage transformer are used removable or fixed focus cable When replacing a line transformer replace using the original type Type Focus cable Part A Removable 1 453 169 12 Fixed 1 453 220 11 DEFLECT Lines tearing when hot 32in models only Replace line driver transformer T804 No sync in TXT mode Replace IC1001 PICTURE Horizontal interference picture during first half hour IC606 is defective Therefor unstable 9V pin 3 of IC606 Replace 9V regulator IC606 Ref Description Location Part no IC606 2940 90 D board PSU 8 759 267 25 Visible arcing interference on screen when appliance does function Intermittently switches off when switched on Replace line output transformer T803 Partially blanked horizontally Check zener diode D817 RD5 6ESB2 in blanking circuit for leaks Overbright nearly negative picture Access service mode and enter 07 to clear AUDIO Hum and or buzz of the headphones and or speaker when vol is low Deflection u
15. dby RY600 clicks each time Check 0601 25 3852 D603 6 8V zener and R634 22R on primary side of PSU Degaussing incomplete Replace relay RY600 with part number 1 755 018 11 TUNING MEMORY Intermittently channels change Replace tactile switches 59001 and 59002 D board GEOMETRY E W bowing Excessive width Check R870 1 1 OTHER No OSD No TXT Check zener diode D817 5 1 on main PCB Intermittently volume bar appears Replace tactile switches 59001 and 59002 on D board Incomplete or messy OSD and menus TXT OK Replace IC1001 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 WAVEFORMS D BOARD amm n PW IIAI P AD k 135 8 10602 01 9615 561354 ERA AMP 1987 Ri p h 55 38 ol e LES 5 lt gt 28 1 9606 645 C647 cass E gt L Se RGP1OGPKG23 5 0 33 0 060 5 0604 64 9609 RUSAM th ceis ii EU t bek nog Eu2 V TS H CA2 RGI ie et n 22 400v Te x 4 DEJ 05 C 3 gt e023 459 5 0 IN 129 605 606 aa PT voy SW 9611 1510 5
16. m et A a amp R TO TUNER o6 9090000009000 le Bat 801 2 CNO 0 82aH age amp 94 11 ayy coi ol pele Po 5 3521 68 08 2 5 2 cal s 2 ROS 2 2 2 CHIP a i MS SP iF CHIP SIF IF Board we FR KV 28WF1B ONLY VE 01 lt 2 ny B06 2 28 SCHIP 807 100 805 0 01 BrCHIP 1 4 I f 5 Sgr ke TUNER RI T CHIP 001 z 0 25 10 7 tI 16 gal 04 cog 904 go 7 F 2 the WIE SIF 65 66
17. nit generates interference On board A solder side add a thick wire AWG18 200mm long between pins 6 7 and 8 of IC203 and pins 29 and 30 of CN1 Given its critical position the wire must be kept away from board A Part no Ref 190090227 Wire AWG18 No sound Headphones OK Fau t 1 PS6001 O C Replace audio output chip IC1200 TDA7264 Distorted or loud crackling from audio Check audio demodulator processor chip IC202 MSP3410 POWER EHT comes up briefly then nothing No error code Excess current protection system operating Check line output transformer T803 Intermittently switches off when switched on Visible arcing interference on screen when appliance does function Replace line output transformer T803 Locks when hot Replace C202 MSP3410 Shuts down when hot Replace IC202 MSP3410 FUNCTION No TXT No OSD Check zener diode D817 5 1 on main PCB Comes on then switches to standby Standby LED flashes twice 1 Check field output chip IC500 5 9379 2 OK if D505 disconnected Check zener diode D505 MTZJT7736A for leaks 3 No change if D505 disconnected Replace memory chip NVM IC2 Does not got into standby mode completely picture disappears but line continues to run 1 Check 0602 0603 and Q604 standby switching circuit Check reservoir capacitor C615 2 Above components replaced HT not at 135V Replace error detector chip IC602 SE135N Pulses in and out of stan
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