Sharp 37GT-25S Скачать руководство пользователя страница 29 | Manualshive

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29

37GT-25S

TROUBLESHOOTING TABLES.

NO PICTURE

Normal

Open

Change

R609

0V

Check C876, T601
and connection G2

Normal

Check CRT

Check
R609

Check
C867
voltage

NO SOUND

Approx. 20V

0 V

Check R313,

Q301 and Q302

Check L303, IC201
and speaker.

Check sound setting by R/C.

Signal should be received.

Check
colector of
Q301 volta

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Содержание 37GT-25S

Страница 1: ...on and only parts identical to those specified should be used MODEL 37GT 25S Issued 31st Oct 00 This document has been published to be used for after sales service only ELECTRICAL SPECIFICATION 3 IMPORTANT SERVICING NOTES 4 SERVICE ADJUSTMENTS 5 PRINTED WIRING BOARDS 12 SOLID STATE DEVICE BASE DIAGRAM 20 SCHEMATIC DIAGRAM WAVE FORMS 21 TROUBLESHOOTING TABLES 28 PARTS ALLOCATION TABLES 16 PART LIST...

Страница 2: ...al Information etc If only part number changes are required just change part number directly on Part List Section If you need more information please refer to the Technical Report Bulletin SERVICE MANUAL UPDATE LOG SHEET Part Technical Report Technical Bulletin Cause Solution Page Application Data Serial ...

Страница 3: ...Y 0 300 WARNING The chassis in this receiver is partially live always use an isolation transformer when servicing this chassis To prevent electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel Convergence Self Converging System Focus Bi Potencial Electrostatic Sweep Deflection Magnetic Specifictions are subject to change without prior not...

Страница 4: ...o the receiver for long periods of time To reduce any risks associated with this please observe the following precautions 1 When undertaking any servicing on this chassis DO NOT increase the EHT to more than 29 5 KV at a instantaneous beam current of 1000µΑ 2 Ensure that during normal operation the EHT does not exceed 27 5KV 1 5KV at a beam current of 800µΑ Tjis level has been pre set in the facto...

Страница 5: ...he data is stored automatically when the service mode is exited or at switch off To exit the service mode press the standby or menu button on the remote control To ensure correct operation of the AFT this must be adjusted to 40 SERV AGC AFT H SHIFT V SHIFT V AMPL V SLOP S CORR Y DLY GAIN R GAIN G GAIN B NVM 00 3F 00 7F 00 3F 00 3F 00 3F 00 3F 00 3F 00 3F 00 3F 00 3F 00 3F 00 FF Indicates operative...

Страница 6: ...ED 15 01 GTEMP TEMPERATURE GREEN 11 02 BTEMP TEMPERATURE BLUE 09 03 VSHIFT VERTICAL SHIFT 3B 04 HSHIFT HORIZONTAL SHIFT 1E 05 VTAMP VERTICAL AMPLITUDE 28 06 VSLOPE VERTICAL SLOPE 14 07 Y_DELAY LUMA DELAY 08 08 Y_DELAY_S LUMA DELAY SECAM 08 09 S_CORR S CORRECTION 02 0A E_CAG CAG ADJUSTEMENT VALUE 0F 0B EA_OPT TV OPTIONS 0 FP SYSTEM B G 0 B G L MESSAGE RECHERCHE 1 AV FRONTAL NOT INCLUDED 0 INCLUDED ...

Страница 7: ...3 VERTICAL SLOPE 14 27 Y_DELAY3 LUMA DELAY PAL 08 28 Y_DELAY_S3 LUMA DELAY SECAM 08 29 S_CORR3 S CORRECTION 00 2A E_CAG3 CAG ADJUSTEMENT VALUE 00 2B EA_OPT3 TV OPTIONS 0 FP SYSTEM B G 0 B G L MESSAGE RECHERCHE 1 AV FRONTAL NOT INCLUDED 0 INCLUDED 1 2 TUNING LOCK HOTEL LOCKED SWITCH ON PR1 1 NO LOCKED 0 3 UHF ONLY BAND UHF 1 ALL BANDS 0 4 PAL ONLY 1 PAL SECAM 0 5 CHILD LOCK CHILD LOCK ACTIVE 1 CHIL...

Страница 8: ...SWORD ACTIV 00 4E EPSW1 PASSWORD 1R DIGIT 00 4F EPSW2 PASSWORD 2 DIGIT 00 50 EPSW3 PASSWORD 3R DIGIT 00 51 EPSW4 PASSWORD 4 DIGIT 00 52 LANGUAGE CHARACTER SET FOR TXT 00 53 OSD_WORD1 bit 0 SIZE OSD PROG 0 14 1 21 bit 1 TIMING FOR OSD ON SCREEN bit 2 CHARACTER SET FOR TXT ENABLED MENU 00 54 HOTEL FOR HOTEL MODE 2 FRONTAL BUTTONS DISABLED SWITCH ON WITH SSW PULSE 00 55 IFS_SCRT CONTROL FOR IFS IN SC...

Страница 9: ...TION VALUE A6 10 A7 02 A8 00 A9 30 AA 04 AB PAGE MEMORY FOR LIST MODE PROGRAM 1 00 AC 10 AD 02 AE 00 AF 30 B0 04 B1 PAGE MEMORY FOR LIST MODE PROGRAM 2 00 B2 10 B3 02 B4 00 B5 30 B6 04 B7 PAGE MEMORY FOR LIST MODE PROGRAM 3 00 B8 10 B9 02 BA 00 BB 30 BC 04 BD PAGE MEMORY FOR LIST MODE PROGRAM 4 00 BE 10 BF 02 C0 00 C1 30 C2 04 C3 PAGE MEMORY FOR LIST MODE PROGRAM 5 00 C4 10 C5 02 C6 00 C7 30 C8 04...

Страница 10: ...ning decreases and lower picture scanning increases PIF AGC Adjustment Screen Adjustment 3 Focus Adjustment Set contrast to 10 10 brightness to 5 10 and colour 0 10 Apply mains voltage of 220V AC 50HZ to TV 1 Receive Philips pattern signal to a level between 60 and 80 dBµV 2 3 Adjust focus potentiometer to obtain maximum definition 4 1 AFT Adjustment AFT must be adjusted to a fixed value of 40 Rec...

Страница 11: ...R GAIN and B GAIN to obtain colour coordinates X 0 290 0 015 Y 0 300 0 015 g Exit Service Mode and check colour coordinates X and Y at 20 and 120 nits It may be necessary to repeat the same procedure or re adjust the cuts as show the be below one NOTE Locations R alter X coordinates G alter Y coordinates B alter X and Y coordinates 1 Y DLY a Receive Philips pattern signal b When button is pressed ...

Страница 12: ...E E Q603 C C C1004 D609 D716 C236 C625 C620 D211 D620 F701 J429 R722 J334 C725 E Q602 B E Q705 C E Q703 C E Q702 C J338 J800 J812 R632 R620 J210 D605 C602 C723 D717 D707 D706 D619 R720 J405 J425 C714 R705 R602 R708 R702 R706 C755 L201 D751 D710 C726 D705 C705 D712 D718 D704 D703 D702 D701 L701 C702 R604 R605 C707 R719 R710 R709 R753 R752 C605 C709 C704 C703 C728 S701 S1001 S1002 S1003 S1004 8 9 16...

Страница 13: ...J300 J317 J324 C403 C302 C301 C306 C304 J301 J401 C711 C806 C213 C422 C241 C206 E Q5091 B C225 C420 C421 C410 C401 C351 C208 C239 C224 C222 C205 C249 C234 C815 C235 C612 C826 C876 C878 J323 R887 D881 D882 C874 P882 1 5 C Q301 E B Q3011 E Q209 C E Q401 C B B Q504 E Q505 C E 510 E Q708 C B Q887 E B Q872 E B Q871 E B Q883 E B Q870 E B Q885 E J419 J418 J326 R1083 C1004 D1006 D1007 D1008 D1009 J136 J11...

Страница 14: ... P851 D510 D511 D207 D1001 D202 L205 J316 J319 IC202 1 R252 J108 J806 L207 C508 J141 D201 D203 D210 D351 D212 L301 L206 FB304 R429 R365 R236 J433 J123 D213 D411 L202 J329 J908 P402 5 1 D602 D1012 D603 R250 J339 J137 R512 R514 D509 D502 R240 J318 D504 J216 J113 D512 Q212 D214 D208 Q204 Q203 D412 9 8 7 6 5 10 9 8 7 6 5 G2 Q506 Q202 C875 L881 4 5 6 P883 H P881 L2 L3 K 1 IC1001 C309 Q1001 J411 Q1005 X...

Страница 15: ... D705 C705 D712 D718 D704 D703 D702 D701 L701 C702 R604 R605 C707 R719 R710 R709 R753 R752 C605 C709 C704 C703 C728 S701 S1001 S1002 S1003 S1004 T700 8 9 16 5 4 P601 1 2 3 C601 VA701 T751 D1011 K L602 J330 J328 J341 C606 L710 L601 J144 J137 R518 R610 C615 C617 R504 R506 D513 D514 D505 D506 R514 R606 J142 R507 D507 16 IC751 1 Q751 G S D D752 K Q752 D1020 Q731 T601 1 2 3 4 5 6 7 8 9 10 11 11 SC881 9...

Страница 16: ...749 172212 D880 152781 176276 D881 155067 187960 D882 154305 212471 E1 211328 54864 E1 182880 63246 F1 98552 124968 F2 181991 234823 Ref No Xmm Ymm F701 19304 177927 FB1001 202565 203327 FB1002 240538 134239 FB1003 164846 164973 FB201 228854 69723 FB301 232537 232537 FB304 196596 10541 FB351 182372 14605 FB352 180213 43307 FB601 65913 82296 FB801 205232 137287 FH1001 8636 181102 FH1002 23749 18097...

Страница 17: ...66 227457 Q3011 208026 227457 Q302 205740 220980 Q3021 203200 220980 Q401 140970 30480 Q500 138811 129032 Q502 104013 80010 Q5031 111506 76962 Q504 120523 57277 Q505 124460 65531 Q5061 117983 51054 Q509 125984 88519 Q5091 123444 88519 Q510 118745 76581 Q511 151003 140081 Q601 73533 76073 Q602 52197 83312 Q603 101981 104521 Q604 100457 91948 Q701 40513 144526 Q702 29591 130048 Q703 24003 130048 Q70...

Страница 18: ...1008 226568 135255 Q1009 231267 136525 Q1010 98425 111252 Q1011 229362 198755 Q1012 196723 192913 Q1013 229362 205740 Ref No Xmm Ymm Q201 165481 66929 Q202 237998 36957 Q203 205994 66040 Q204 200914 66040 Q206 232283 121793 Q212 230632 99568 Q303 219710 221361 Q304 213614 214630 Q305 235077 220218 Q351 206502 20447 Q352 200533 29718 Q353 206502 25527 Q354 196596 37465 Q355 197104 42545 Q501 146177...

Страница 19: ...9009 125222 R839 156591 96520 R878 162941 193929 Ref No Xmm Ymm R879 162814 187325 R880 157099 200787 R881 159004 180213 R888 162941 195961 R892 149479 191770 R893 150495 203835 R894 146939 179578 R896 161671 202946 R898 161671 198882 R899 162687 182753 R901 192024 127254 R902 170561 112268 R904 167386 116332 RJ1 154813 52578 RJ10 218694 142748 RJ1031 137287 12319 RJ11 191770 160528 RJ112 229235 2...

Страница 20: ...ZZ A K C E 1 4 5 8 1 26 27 52 S D G 6 4 1 3 B C E E C B K A C B E B E C 52 51 33 32 20 19 64 1 A K C E S D G 6 4 1 3 B C E E C B K A C B E B E C 64 1 A K C E 1 4 5 8 1 26 27 52 S D G 6 4 1 3 B C E E C B K A C B E B E C 52 51 33 32 20 19 64 1 A K C E 1 4 5 8 1 26 27 52 S D G 6 4 1 3 B C E E C B K A C B E B E C 52 51 33 32 20 19 64 1 A K C E 1 4 5 8 1 26 27 52 S D G 6 4 1 3 B C E E C B K A C B E B E...

Страница 21: ...here may be slight difference from yours IMPOTANT SAFETY NOTE PARTS MARKED WITH ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMAN CE OF THE SET SAFETY NOTE 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE C...

Страница 22: ... 470 R1004 6K8 R1003 6K8 D1002 DX0045BM R1001 4K7 D1006 DX0045 D1007 DX0045 D1008 DX0045 D1009 DX0045 Q1004 TX0235BM R1026 10K R1028 3K3 R512 5 6 1 3W R XZ0109BM L701 F0116BM C728 01 250V KZ0029CE PR701 P0001BM R720 22K D706 DX0045BM R708 1K 1 2W R706 47 1W NVV C723 22 50V FZ4224BMNJ R1027 3K3 C719 220 35V C502 100 35V C501 220 25V C514 220 25V C521 10 16V C519 100 16V S701 P0612CE F701 FS C3226 T...

Страница 23: ...3 15K R621 10K C614 01 D402 7 5V EX0412BM R1038 220 R1039 220 R1041 220 L201 47uH DF D211 DX0505BM Q506 TX0235BM Q505 BC547 H TX0142BM C503 68P Q504 BC638 H TX0131BM D505 DX0501BM R508 33 C504 330P R503 4K7 Q503 2SA1037KQ R506 1 1 3W R XZ0100BM R504 5 6 1 3W R XZ0109BM H TX0140BM R407 47 1 2W R507 560 1 2W R510 15K Q510 BC337 H TX0217BM R515 820 5 6V EX0409BM Q703 BC337 H TX0217BM R721 8 2M 1 2W U...

Страница 24: ...5 4 3 2 6 7 R1077 4K7 R1035 22K R1034 15K D1013 DX0045BM R1048 4K7 1 2W R1049 4K7 1 2W R1059 4K7 1 2W R903 47 Q901 TX0235BM R1090 4K7 R1015 22K L304 3 3uH DF C304 100 25V C301 1 50V R1037 10K C806 100 16V C1002 100nF C1008 22pF C1009 22pF C1033 1nF C1005 100nF C1028 1nF C1011 5 6nF C1023 220nF C1024 150pF C1026 100pF C1003 100nF C1027 100nF C801 1 C803 1 C901 22 C201 047 C805 1 Z C607 39P C307 015...

Страница 25: ...11 100 R210 100 R202 150 R253 47 R612 15K R615 15K D603 DX0045BM D602 DX0045BM R805 3M9 Q401 BC337 H TX0217BM R247 6K8 R426 6K8 C420 47 16V C421 47 16V C410 47 16V C213 22 16V C422 47 16V C210 22 25V C218 100P C202 022 C217 047 C818 330pF C203 3300P C204 68P C250 22 25V R422 100K C508 1 ML C610 01 P201A L2 1 IC201 TDA8842 IX1630BMN2 IF IN 1 IF IN 2 EHT 3 VERT SAW 4 VERT REF 5 AGC 6 AGC OUT 7 8 9 I...

Страница 26: ...0V T601 Q701 10V 105V 20V 10V 7V Q705 3 3V Q711 2 5V Q709 10V 10V Vertical Driver Q505 Q506 O U TPUT AMP Q502 Q504 Feed back 150V 6 3V 12V Q601 Q602 Q604 Q603 105V Q883 Q885 Q887 Q870 Q871 Q872 2 5V Q503 Q504 Q505 Fly Back Pulse V Pulse 4 5V Q708 G2 Focus 37GT25H G ADG COIL S1001 S1002 S1003 S1004 L701 PR701 S701 F701 T3 15A A P701 N0304CE IC1002 1 2 3 4 5 6 7 8 SC881 VD842CE 7 9 3 5 4 6 8 P881A L...

Страница 27: ...1 1 2 SP301 1 2 IN V OUT FB R G SLOW B L IN L OUT R IN R OUT SC401 Z2107BM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 K 5 4 3 2 1 IC201 IF IN 1 IF IN 2 EHT 3 VERT SAW 4 VERT REF 5 AGC 6 AGC OUT 7 AUDIO OUT 8 S IF IN 9 IF IN 10 EXT IN 11 NC 12 FI LC 13 FI LC 14 PLL FIL 15 CVBS OUT 16 SCL 17 SDA 18 B GAP 19 IN 20 AV 21 VCC 22 VCC 23 VIDEO IN 24 GND 25 NC 26 AUDIO OUT 27 CAL 28 EXT VIDEO 29 SENS...

Страница 28: ...3 3 V Approx 0 V Check R737 D755 Q709 and IC1001 Check IC201 IC1001 IC1002 Normal Broken Check Q701 D718 C718 and Q601 Normal Broken Check D708 C711 and IC701 Check Q601 D708 and C711 Check F701 R703 and Q701 Is D1011 LED on a light Check D724 Check Q711 emitter voltage Check C206 Voltage Check Q709 emitter Voltage Check R737 D713 Q704 IC1001 and IC1003 ...

Страница 29: ...n Change R609 0V Check C876 T601 and connection G2 Normal Check CRT Check R609 Check C867 voltage NO SOUND Approx 20V 0 V Check R313 Q301 and Q302 Check L303 IC201 and speaker Check sound setting by R C Signal should be received Check colector of Q301 volta ...

Страница 30: ... TRT 2SC2412 ROHM S AA AA Q 0502 RH TX0140BMZZ TRT BD825 16 S AF AC Q 0503 VS2SA1037KQ 1 TRT BC807 SMD S AA AA Q 0504 RH TX0131BMZZ TRT BC638 S AB AC Q 0505 RH TX0142BMZZ TRT TBC 547 B TOSHIBA S AA AB Q 0506 VS2SC2412KQ 1 TRT 2SC2412 ROHM S AA AA Q 0509 RH TX0217BMZZ TRT BC337 PHILIPS S AA AB Q 0510 RH TX0217BMZZ TRT BC337 PHILIPS S AA AB Q 0601 RH TX0132BMZZ TRT BU508DFI S AF AM Q 0602 RH TX0108B...

Страница 31: ... BZX79C3V9 S AB AB D 0714 RH EX0408BMZZ ZENER DIODE BZX79C5V1 S AB AB D 0715 RH EX0408BMZZ ZENER DIODE BZX79C5V1 S AB AB REF No PARTS DESCRIPTION SN CODE EX CODE D 0717 RH EX0495BMZZ ZENER DIODE BZX79 B75V 2 S AA AB D 0718 RH EX0419BMZZ ZENER DIODE BZX79C15V 0 4W S AA AB D 0719 RH DX0577BMZZ DIODE 1N4935 ACPA S AB AE D 0720 RH EX0407BMZZ ZENER DIODE BZX79C4V7 S AA AA D 0723 RH DX0045BMZZ DIODE 1N4...

Страница 32: ...TORS R 0201 VRS TV1JD102J 2125 1KOHM 5 1 10W SMD S AA AA R 0202 VRS TV1JD151J 2125 150 OHM 5 1 10W SMD S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE C 0234 VCEAGA1HW225M ELEC C 2 2UF 20 50V S AA AB C 0235 VCEAGA1AW108M ELEC C 1000UF 20 10V S AA AB C 0236 VCEAGA1EW227M ELEC C 220UF 20 25V S AA AA C 0240 VCKYTV1HB102K CERAM C 1NF 50V 2125SMD S AA AA C 0242 VCKYTV1HF103Z CERAM C 10NF 50V 2125SMD S...

Страница 33: ...5 1 10W SMD S AA AA R 0427 VRS TV1JD682J 2125 6 8KOHM 5 1 10W SMD S AA AA R 0428 VRS TV1JD104J 2125 100KOHM 5 1 10W SMD S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE R 0434 VRS TV1JD102J 2125 1KOHM 5 1 10W SMD S AA AA R 0500 VRS TV1JD473J 2125 47KOHM 5 1 10W SMD S AA AA R 0501 VRD RA2HD102J RES 1KOHM 5 1 2W S AA AA R 0502 VRD RA2HD182J RES 1 8KOHM 5 1 2W S AA AA R 0503 VRS TV1JD472J 2125 4 7KOH...

Страница 34: ... AA AA RJ 0120 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0122 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE R 0718 VRS TV1JD333J 2125 33KOHM 5 1 10W SMD S AA AA R 0720 VRD RA2BE223J RES 22KOHM 5 1 8W S AA AA R 0721 VRC UA2HG825K SOLID R 8 2MOHM 10 1 2W S AA AA R 0722 VRC UA2HG825K SOLID R 8 2MOHM 10 1 2W S AA AA R 0724 VRS TV1JD471J 2125 470 OHM 5 1 10...

Страница 35: ... OHM 5 1 10W SMD S AA AA RJ 0142 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0146 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0147 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0150 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0151 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0152 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0154 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RJ 0...

Страница 36: ...22 37GQ 20FP RECICLED PAPER PRINTED BY ON ...

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