37GQ20FP Service Manual (02Version)
Contents
1. 25 5 1 10W SMD CO CO CO CO CO DM CO cO CO CO CO CO CO CO CO CO CO CO CO CO CO DM CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO cO 8 2828 37GQ 20FP REF No PARTS DESCRIPTION CODE PARTS DESCRIPTION 1009 VRS TV1JD102J 2125 1KOHM 5 1 10W SMD S AA DIODES 1010 VRS TV1JD273J 2125 27KOHM 5 1 10W SMD 1011 VRD RA2HD472J RES 4 7 5 1 2W S AA FH DX05518MZZ POOE LL41481EK SMD 1012 VRD RA2HD472J RES 4 7 5 1 2W S AA RH DXOSS1BMZZ DIODE LL4148 SMD 1013 VRD RA2HD472J RES 4 7KOHM 5 1 2W RH DX0551BMZZ DIODE LL4148 TFK SMD 1014 VRS TV1JD223J 2125 22KOHM 5 1 10W SMD 5 RH DX0551BMZZ DIODE LL4148 SMD 1015 VRS2. ams 102401 m ET oe 6120 YO 10 SCHEMATIC DIAGRAM Version 01 11 00 166030 168030 9090 Sosa 12 10248 11831 00 Anon 1186800 01 1080 2192052 Hes 8606115 1082 1 00N1 10884 3n 1242 7 10 m 1069 37 20 LI ST PARTS DESCRIPTION VS2SA1037KQ 1 TRT BC807 SMD REPLACEMENT PARTS RH TX0217BMZZ TRT BC337 PHILIPS Replacement parts which have special safety characteristics are identi VS2SC2412KQ 1 25 2412 ROHM fied in this manual Electrical components having such features iden RH TX0111BMZZ TRT PH 2369 PHILIPS tified by N in the Replacement Part List VS2SC2412KQ 1 28C2412 ROHM The use of a substitute replacement part which does not have the same safety characteristics as the factory recommended is not permitted DIODES 2 shown in this service manual may create shock RH DXOSG0BMZZ DIODE 482 PHILIPS RH DX0045BMZZ DIODE 1N4148 HOW TO ORDER REPLACEMENT PARTS 05498 27 ZENER DIODE TZMC7V5 SMD To have your order completed promplty and corretly please supply the RH EX0549BMZZ ZENER DIODE TZMC7V5 TFK SMD following information RH EX0546BMZZ ZENER DIODE TZMC5V6 TFK SMD MODEL NUMBER 2 REF NO RH EX0549BMZZ ZENER DIODE TZMC7V5 TFK SMD PART NO 4 DESCRIPTION RH EX0549BMZZ ZENER DIOD
3. BANK ADDRESS DESCRIPTION VALUE 00H 00H ZONE FOR TUNNING INFORMATION BEGIN CAH 3BH ZONE FOR TUNNING INFORMATION END 10H 3CH STAND BY 44H ON 44H 40H gt OFF 3DH OPTION BYTE 10 gt HOTEL 1 START IN PRG1 NO TUNNING OPTION VOLUME LIMITATION 11 gt HOTEL 2 START IN PRG 1 NO TUNING OPTION VOLUME LIMITATION START IN SCART MODE OUT FROM STDBY WITH SSW XXDDDDDD gt VOLUME ATTENUATION OAH gt 100 00H gt 0 3EH DIODE_NVM 04H gt SYMBOLIC OSD gt CHARACTER OSD XXXXXIXX ENGLISH LANGUAGE 3FH DIODE2 NVM 05H gt FRENCH STANDARD XXXXXO0IX gt BG STANDARD XXXXXIOX gt L L STANDARD gt AUDIO FOR UK XIXXXXXX gt AUTOINSTALLATION ON IXXXXXXX gt ONLY UHF BAND 01H 00H ZONE FOR TUNNING INFORMATION BEGIN 10H 3BH ZONE FOR TUNNING INFORMATION END 10H 3DH UHFLOW LOW WINDOW LIMIT FOR UHF BAND 00H 3EH VHF3LOW LOW WINDOW LIMIT FOR VHF3 BAND 00H 3FH VHFILOW LOW WINDOW LIMIT FOR VHF BAND 00H 02H 00H RESERVED ZONE FOR PROGRAMME NAMES BEGIN 24H 3FH RESERVED ZONE FOR PROGRAMME NAMES END 24H 5 37 0 20 03H 00H ONE CHIP REGISTER 00 80H 01H ONE CHIP REGISTER
4. yoy 8 4 5 z gt e 401 212 AI 0204 7 8 0403 88118 165 58 LS 27 VR R405 8 8 or oN a Li 28403 8 8 8 lt D C214 5 We 7 R406 K E D EEN A 6 C216 I BIN Hi TE m om H 2 D406 0404 NOM Be Y TU i5 JEF18 1 9509 R213 AGC 01007 2 mama SC401 0402 215 R403 gt TU201 A 37GQ 20FP DESCRIPTION OF SCHEMATIC DIAGRAM NOTE 1 The unit of resistance ohm is omitted K 1000 ohms Megaohm 2 All resistors are 1 8 watt unless otherwise noted 2 SEMICONDUCTOR HEAT SINKS SHOULD BE All capacitors are uF unless otherwise noted P REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING 4 The capacitor with Part No 29 is designed to with stand 63V SAFETY NOTE 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS IMPOTANT SAFETY NOTE SERVICE PRECAUTION PARTS MARKED WITH A THE AREA ENCLOSED BY THIS LINE IMPORTANT FOR MAINTAINING THE SAFETY IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE OF THE SET BE SURE TO REPLACE THESE PARTS WI
5. 18528 H 429 0503 3 616 __ we _ a C601 61 g lt gt 0606 E S AF R524 0503 0502 B deol 1 71 miu q 171 FB601 Rsa JF10 886 3 C1011 NC 8 5 2 293 u NP a SN NL m B E 09602 B J87 0201 Q 58 L R606 B E a x SN 4 p 605 11255 SiS eu SS Hi _ 218 93 mA VUE TY EX 87 8 S mee 447203 o D801 0604 sale TE 8818 026 L601 W 22 R604 m i At m 0603 R607 77 8 AK 602 K C804 972 447 lt R601 NX SN S Bs on 0 6 R815 5 4 0602 4 ee Z sx R218 IX 0205 6207 56201 6804 ce e 450 R816 eg 8216 5 Z _ C828 ca25 J52 6219 gt 16 R804 2 x 6 208 ag 1 22 8902 0607 m Su UM 1 2 2 86 97 R803 n amp 48 gar 23 20 54 1602 2 ne 222228 801 R808 SE Qj r 623 658 C821 8809 8 a A DH 95 al 4 5 CF201 32 222 ae z Fa Lo Luc 0820 O R618 2 8 AB R221 ji t 222 PR yR812 B Ec C 10805 Es 1 If i x
6. 2 Inspect all protective devices such as non metallic control knobs insulating fish papers cabinet backs adjustment and compartment covers or shields insolation resistor capacity networks mechanical insulators etc 37 0 20 SERVICE ADJUSTMENT eSERVICE MODE FUNCTION This mode funtion is provided to assist with the settings of those adjustments that may vary from one Picture Tube to another or between models In order to use the Service Mode 1 Press main switch to OFF 2 Connect Test Pattern signal to antenna terminal 3 Press 221 and main switch to ON simultaneosly or press A lt 1 CH and main switch to ON simultaneosly 4 SERVICE will appear on screen Service mode is now entered 5 Select adjustment using buttons CH To exit Service Mode press main switch to OFF or press MENU button on R C Decim Range fumton on screen Decim Range Indicates operative Service Mode Access to NVM memory Auto Gain Control 00 63H Auto Gain Starting Point S L VL N Line PLL time constant 4 43 3 58 Colour system SECAM NTSC 4 43 NTSC 3 58 AUTO PNS AUTO PN AUTO 50HZ Field Frequency 60HZ 0 63d Blue Gain 0 63d Green Gain 0 63d Green Cut 0 63d Red Gain 0 63d Red Cut 0 63d Horizontal Position shift 0 63d Vertical Position shift 0 15d Vertical Amplitude shift 6 For a Selection NVM storage location settings variants BANK POS V
7. 1 10W SMD VRD RA2BE333J RES 33KOHM 5 1 8W RR XZ0212BMZZ FUS RES 10R TAP 5 1 2W RR XZ0204BMZZ FUS RES 2R2 TAP 5 1 2W RR XZ0242BMZZ FUS RES 3K3 TAP 5 1 2W VRD RA2HD472J RES 4 7KOHM 5 1 2W VRD RA2BE102J RES 1KOHM 5 1 8W VRS TV1JD104J 2125 100KOHM 5 1 10W SMD VRD RA2HD474J RES 470KOHM 5 1 2W VRS TV1JD103J 2125 10KOHM 5 1 10W SMD VRD RA2HD474J RES 470KOHM 5 1 2W VRS TV1JD101J 2125 100 OHM 5 1 10W SMD VRD RA2BE220J RES 22 5 1 8W VRS TV1JD104J 2125 100KOHM 5 1 10W SMD VRS TV1JD101J 2125 100 OHM 5 1 10W SMD VRS TV1JD103J 2125 10KOHM 5 1 10W SMD VRS TQ2BD331F RE 330 OHM 1 1 8W SMD VRS TV1JD561J 2125 560 OHM 5 1 10W SMD VRS TQ2BD681J OX RE 680 OHM 5 1 8W SMD VRS TV1JD102J 2125 1KOHM 5 1 10W SMD VRC UA2HG825K SOLID 8 2MOHM 10 1 2W VRD RA2BE103J RES 10KOHM 5 1 8W VRC UA2HG825K SOLID R 8 2MOHM 10 1 2W VRS TV1JD153J 2125 15KOHM 5 1 10W SMD VRD RA2HD221J RES 220 5 1 2W VRS TV1JD102J 2125 1KOHM 5 1 10W SMD VRS TV1JD220J 25 22 OHM 5 1 10W SMD VRS TQ2BD750J OX RE 75 OHM 5 1 8W SMD VRD RA2HD821J ES 820 OHM 5 1 2W VRD RA2HD680J RES 68 OHM 5 1 2W VRS TV1JD100J 25 10 OHM 5 1 10W SMD VRS TV1JD221J 2125 220 OHM 5 1 10W SMD VRD RA2HD473J ES 47KOHM 5 1 2W VRS TQ2BD750J OX RE 75 OHM 5 1 8W
8. 2BH BG_COARSE THICK TUNING ADJUSTMENT FOR L AND BG 0AH 2CH BG_FINE FINE TUNING ADJUSTMENT FOR L AND BG 00H 2DH LP_FINE FINE TUNING ADJUSTMENT FOR L 00H 2EH DELAY SEARCH 00H gt SHOWS PROGRAMME DURING AUTOSEARCH XXXXXXX1 gt DHOWS AUTO SEARCH DURING AUTOSEARCH 2FH VHF1_SP STEP FOR AUTO SEARCH IN BAND 17H 30H VHF3_SP STEP FOR AUTO SEARCH IN VHF3 BAND OAH 31H UHF_SP STEP FOR AUTO SEARCH IN UHF BAND 06H 32H OLD_PROGRAM FOR FLASHBACK RETURN OAH 33H UHFHIGH UPPER WINDOW LIMIT FOR UHF 01H 34H VHF3HIGH UPPER WINDOW LIMIT FOR VHF3 01H 37GQ 20FP 35H VHFIHIGH UPPER WINDOW LIMIT FOR 1 01H 36H PRG NUMBER CURRENT PROGRAMME NUMBER 08H 37H WAITSUP UPPER LIMIT DELAY TIME FOR AUTOSEARCH OFH 38H W AITINF LOWER LIMIT DELA Y TIME FOR AUTOSEARCH 03H 3BH SCART BLOKING 00H 00H NO SCARTBLOCKING Do not use 01H SCART BLOCKING WHEN AN Y PR IS IN CHILD Just for LOCK MODE UK models 3CH RET COL DELAY IN COLOUR IDENTIFICATION IN AUTO 40H MODE 3FH CHECKSUM 35H 04H 00H ONE CHIP REGISTER 00 80H 01H ONE CHIP REGISTER 01 30H 02H ONE CHIP REGISTER 02 9FH 03H ONE CHIP REGISTER 03 2DH 04H ONE CHIP REGISTER 04 00H 05H ONE CHIP REGISTER 05 B6H 06H ONE CHIP REGISTER 06 00H 07H ONE CHIP REGISTER 07 32H 08H ONE CHIP REGISTER 08 19H 09H O
9. STEP FOR AUTO SEARCH IN BAND 17H 30H VHF3_SP STEP FOR AUTO SEARCH IN VHF3 BAND OAH 31H UHF_SP STEP FOR AUTO SEARCH IN VHF BAND 06H 32H OLD_PROGRAM FOR FLASHBACK RETURN OAH 33H UHFHIGH UPPER WINDOW LIMIT FOR 01H 34H VHF3HIGH UPPER WINDOW LIMIT FOR 01H 35H VHFIHIGH UPPER WINDOW LIMIT FOR VHF1 01H 36H PRG_NUMBER CURRENT PROGRAMME NUMBER 08H 37H WAITSUP UPPER LIMIT DELAY TIME FOR AUTOSEARCH 38H WAITINF LOWER LIMIT DELAY TIME FOR AUTOSEARCH 03 3Bh SCART BLOKING 00H OOH SCARTBLOCKING Do not use 01H SCART BLOCKING WHEN ANY PR IS IN CHILD Just for LOCK MODE UK models 3CH RET_COL DELAY IN COLOUR IDENTIFICATION IN AUTO 40H MODE 3FH CHECKSUM 35H ePIF AGC Adjustement 1 B G AFT Adjustment 1 Connect the output of SSG Standard Signal Generator to the tuner IF output terminal eSSG output 38 9 MHz CW 5 KHz SSG output level approx 90 dBuV 2 Enter into Service Mode 3 Push 2 key R C Fl OK will appear 4 Switch set OFF and ON again setting is now memorized 2 AFT Adjustment 1 Connect the output of SSG Standard Signal Generator to the turner IF output terminal 556 output 34 47MHz CW 5 KHz 550 output level approx 90 dBu V 2 Enter into Service Mode 3 Push 3 key on R C Fl OK will appear 4 Switch set OFF and ON again setting is now memorized 3 RF AGC STR Adjustment 1 Receive the COLOUR sign
10. VCKYTV1HB102K CERAM 1NF 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCKYTV1HB102K CERAM 1NF 50V 2125SMD VCKYTV1EF224Z CERAM C 220NF 25V 2125SMD VCEAGA1HW226M ELEC C 22UF 20 50V VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD C CO CO CO CO 00 CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO DM CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO zzzzzzrzzzzzzizzzizzszzirzrzrzzzszszes5sso s VCEAGA1CW476M ELEC C 47UF 20 16V VCKYTV1HB102K CERAM 1NF 50V 2125SMD RESISTORS RC FZ9334BMNJ POL FILM C 330NF 5 63V RS TV1JD121J 2125 120 OHM 5 1 10W SMD VCKYTV1HF224Z CERAM C 220NF 50V 2125SMD RS TV1JD102J 2125 1KOHM 5 1 10W SMD RC FZ9334BMNJ POL FILM C 330NF 5 63V RS TV1JD102J 2125 1KOHM 5 1 10W SMD VCCCTV1HH101J CERAM 100PF 50V 2125SMD RS TV1JD151J 2125 150 OHM 5 1 10W SMD RC FZ0135BMZZ POLIP C B32650 6N8 1 5KV RS TV1JD222J 2125 2 2KOHM 5 1 10W SMD VCEAGA1AW227M ELEC C 220UF 20 10V RS TV1JD682J 2125 6 8KOHM 5 1 10W SMD VCEAGA1AW227M ELEC C 220UF 20 10V RS TV1JD222J 2125 2 2KOHM 5 1 10W SMD RC FZ9104BMNJ POL FILM C 100NF 5 63V RS TV1JD332J 2125 3 3KOHM 5 1 10W SMD VCKYTV1HF223Z CERAM C 22 50V 2125SMD RS TV1JD473J 2125 47KOHM 5 1 10W SMD VCEAGA1VW107
11. 2125 120KOHM 5 1 10W SMD VRS TV1JD750J 25 75 OHM 5 1 10W SMD VRS TV1JD152J 2125 1 5KOHM 5 1 10W SMD VRS TV1JD750J 25 75 OHM 5 1 10W SMD VRS TV1JD824J 2125 820KOHM 5 1 10W SMD VRS TV1JD750J 25 75 OHM 5 1 10W SMD VRD RA2BE472J RES 4 7KOHM 5 1 8W VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRD RA2BE153J RES 15 5 1 8W VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRS TV1JD222J 2125 2 2KOHM 5 1 10W SMD VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRS TV1JD222J 2125 2 2KOHM 5 1 10W SMD VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRS TV1JD471J 2125 470 OHM 5 1 10W SMD VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRD RA2HD331J RES 330 OHM 5 1 2W VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRD RA2HD471J RES 470 OHM 5 1 2W VRS TV1JD101J 25 100 OHM 5 1 10W SMD VRD RA2HD6R8J RES 6 8 OHM 5 1 2W CO CO CO CO CO CO CO CO CO CO CO CO CO 02 CO CO CO 00 CO CO 00 CO CO CO CO CO CO CO CO 021 CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO gt 20 VRS TV1JD332J rS rS rS rS D D N N Z rS rS
12. 284 0 015 h 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 the previous one NOTE Locations alter X coordinates alter Y coordinates B alter X and Y coordinates 10 37GQ 20FP PRINTED WIRING BOARD Version N1 A Component side RMCO001 1 1 I 7287 MEN m Ys 7287 51002 1003 1004 R C1009 45 cC 084 e mS 260 EE Q885 e 7 IN1 8 C876 R883 SH R862 7296 R887 7288 5 lt lt 48728 6728 R1013 0501 Ji 8511 4 B Bi US C713 yx 7 481 m R502 D503 C509 Q amio J82 25 R510 ite 129 IF2 R612 9 c223 o m x 257 158 33V 8618 R61 AN 11 PRINTED WIRING BOARD Version N1 Copper side 5 Belg F7287BMNI1 01009 Lp 51004 1003 1002 1001 R319 C814 8 3 1 5 3 7 R864 C878 1
13. FRENCH J 0062 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S RRMCG1059BMSA REMOTE CONTROL UNIT 0001 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S JF0016 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD CABINET PARTS 0017 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD 284 CABINET SET 37GQ20SDE 1 0018 VRS TV1JD000J 2125 0 5 1 10W SMD S HBDGB1017BMSB SHARP BADGE 37EM 248 JL 000 QCNW 3055BMZZ WIRE BETWEEN GNDS CA 1 S AB E DECORACION JL0067 RC FZ4105BMNJ POL FILM 1MF 50V 5 ECQ V PANASO S AD JBTN 1047BMSA UP DOWN BUTTON 37EM 24S 0001 RRMCU0222CEZZ RIC RECEIVER 5 JBTN 1046BMSA POWER 37 245 0000 QPLGNO241CEZZ PLUG S GCABB1107BMKA REAR 3760 208 AX 0701 QSW PO588CEZZ SWITCH ESB91632A V S AM 1001 QSW K0079GEZZ TACTILE SWITCH S 1002 QSW K0079GEZZ TACTILE SWITCH 1003 QSW K0079GEZZ TACTILE SWITCH 1004 QSW K0079GEZZ TACTILE SWITCH 60401 QSOCZ2107BMZZ S AE PWB B SOCKET UNIT TRANSISTORS Q 0870 RH TX0181BMZZ TRT BF422 TOSHIBA Q 0871 RH TX0181BMZZ TRT BF422 TOSHIBA Q 0872 RH TX0181BMZZ TRT BF422 TOSHIBA Q 0883 RH TX0180BMZZ TRT BF421 TOSHIBA S Q 0885 RH TX0180BMZZ TRT BF421 TOSHIBA S Q 0887 RH TX0180BMZZ BF421 TOSHIBA 21 37GQ 20FP TROUBLESHOOTING TABLES NO PICTURE Check Picture setting by R C
14. TV1JD223J 2125 22KOHM 5 1 10W SMD 1016 VRS TV1JD331J 2125 330 OHM 5 1 10W SMD 5 COILS 1017 VRS T1V1JD271J 2425 270 OHM 5 1 10W SMD 8 NERGFT20KQ000 PEAK COIL IZUM 10 R 1018 VRS TV1JD103J 2125 10KOHM 5 1 10W SMD CAPACITORS 1019 VRS TV1JD102J 2125 1KOHM 5 1 10W SMD S VCCCTVIHH471J CERAM C 470PF 50V 2125SMD 8 1020 VRS TV1JD562J 2125 5 6 5 1 10W SMD VCCCTV1HH471J CERAM C 470PF 50V 2125SMD S AA 1021 VRS TV1JD472J 2125 4 7KOHM 5 1 10W SMD VCCCTV1HH471J CERAM C 470PF 50V 2125SMD 5 1022 VRS TV1JD472J 2125 4 5 1 10W SMD S VCCCTVIHRA471J CERAM C 470PF 50V 2125SMD 1023 VRS TV1JD472J 2125 4 5 1 10W SMD VCCCTV1HH471J CERAM C 470PF 50V 2125SMD 5 1024 VRS TV1JD472J 2125 4 7KOHM 5 1 10W SMD S VOR UMOHE CERAM INETURREN S 0 1025 SD 2425 LIKOM SAA VCKYPB3DE472Z C DE1110 1E47222K MURATA 5 1026 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD WOERGROD MOEM LECC 2 NN ae 1027 VRD RA2BE101J RES 100 OHM 5 1 8W S AA VCCCPATHEHOT C CAPACITOR STAR 1028 VRD RA2BE101J RES 100 OHM 5 1 8W S 1029 VRD RA2BE101J RES 100 OHM 5 1 8W S RESISTORS 1030 VRS TV1JD101J 2125 100 OHM 5 1 10W SMD RS PU3DB153J OX RES 15 KOHM 5 2W S 1031 VRS TV1JD101J 2125 100 OHM 5 1 10W SMD X 5 J 0 MISCELLANEOUS PARTS RS TV1JD471J 2125
15. abnormal Y 9505 0507 aso 25 Check D505 D506 37GQ 20FP NO SPECIFIC COLOUR Is some colour produced in B W Broadcast reception NO Check 1 801 C812 C813 R813 X801 Is the white balance properly adjusted NO The Picture Colour is Blue or Yellow The Picture Colour is green or magenta The Picture Colour is Red or cyan Check Q871 Q883 and Check Q870 Q885 and Check Q872 Q887 and Readjust The White their adjacent circuits their adjacent circuits their adjacent circuits Balance UNLOCKED COLOUR NO COLOUR SYNCHRONIZATION Check setting of Colour Standard in Service Mode Normal Check 1 801 C812 C813 R813 X801 26 37GQ 20FP NOTES 27 SHARP RECICLED PAPER PRINTED
16. 01 30H 02H ONE CHIP REGISTER 02 9FH 03H ONE CHIP REGISTER 03 2DH 04H ONE CHIP REGISTER 04 00H 05H ONE CHIP REGISTER 05 B6H 06H ONE CHIP REGISTER 06 00H 07H ONE CHIP REGISTER 07 32H 08H ONE CHIP REGISTER 08 19H 09H ONE CHIP REGISTER 09 99H ONE CHIP REGISTER OA 3CH OBH ONE CHIP REGISTER B2H OCH ONE CHIP REGISTER 2EH ONE CHIP REGISTER OD 24H ONE CHIP REGISTER OE 22H OFH ONE CHIP REGISTER OF 18H 10H ONE CHIP REGISTER 10 1FH 11H ONE CHIP REGISTER 11 00H 12H ONE CHIP REGISTER 12 00H 13H ONE CHIP REGISTER 13 38H 14H ONE CHIP REGISTER 14 20H 15H ONE CHIP REGISTER 15 00H 16H ONE CHIP REGISTER 16 1DH 17H ONE CHIP REGISTER 17 18 ONE CHIP REGISTER 18 2FH 19H ONE CHIP REGISTER 19 00H 1AH ONE CHIP REGISTER 1A 90H 1BH ONE CHIP REGISTER 1B 90H 1CH ONE CHIP REGISTER IC 90H 1DH ONE CHIP REGISTER 1D 00H 1EH ONE CHIP REGISTER 1E 00H 1FH ONE CHIP REGISTER IF 00H 20H VPOS_50 VERTICAL POSITION 4 3 50 Hz 12H 21H VAMP_50 VERTICAL AMPLITUDE 4 3 50 Hz 22H VPOS_60 VERTICAL POSITION 4 3 60 Hz 23H VAMP_60 VERTICAL AMPLITUDE 4 3 60 Hz 24H HSHIFT_60 HORIZONTAL SHIFT 60Hz 1DH 25H HSHIFT_50 HORIZONTAL SHIFT 50Hz 22H 26H FINVFH STEP FOR FINE TUNING IN VHF BAND 00H 27H VHF1_STEP THICK TUNING STEP FOR BAND F3H 28H VHF3_STEP THICK TUNING STEP FOR VHF3 BAND 64H 29H UHF_STEP THICK TUNING STEP FOR UHF BAND 64H 2AH LP_COARSE THICK TUNING ADJUSTMENT FOR L 02H
17. 1NF 50V 2125SMD VCEAGA1HW225M ELEC C 2 2UF 20 50V VCEAGA1HW105M ELECC 1UF 20 50V RC KZ0035CEZZ CERAM C 220PF 2KV VCKYTV1HF223Z CERAM C 22 50V 2125SMD VCEAGA1AW477M ELEC 470UF 20 10V VCEAGA1CW106M ELEC C 10UF 20 16V VCKYTV1HF104Z CERAM 100NF 50V 2125SMD VCEAGA1HW105M ELECC 1UF 20 50V VCEAGA1AW477M ELEC 470UF 20 10V VCEAGA0JW107M ELEC C 100UF 20 6 3V VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCEAGA1HW105M ELECC 1UF 20 50V VCKYTV1HF103Z CERAM 10NF 50V 2125SMD VCKYTV1HF104Z CERAM 100NF 50V 2125SMD VCKYTV1HF103Z CERAM 10NF 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCKYTV1HF103Z CERAM 10NF 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCKYTV1HF103Z CERAM 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCEAGA1AW476M ELEC C 47UF 20 10V VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCKYTV1HF224Z CERAM C 220NF 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD CERAM C 100NF 50V 2125SMD VCKYTV1HB102K CERAM 1NF 50V 2125SMD CERAM C 4 7NF 50V 2125SMD o BY VCKYTV1HB102K CERAM 1NF 50V 2125SMD VCEAGA1HW105M LECC 1UF 20 50V VCKYTV1HF103Z CERAM 10NF 50V 2125SMD VCEAGA1
18. 30 9MHz Self Converging System eet usu E Bi Potencial Electrostatic Aerial Input Impedance Sweep Dellection Magnetic eTuning Ranges Picture Intermediate Frecuencies LEA se 55 75MHz thru 855 25 MHz Eugenii 33 9MHz 38 9MHz BUG dE AMPE MESS eoe CATV Special Channels White Level Set brightness control to get total picture tube cathode current of 600 milliamperes under no signal condition Maximum necessary correction of each picture tube cathode current to get 8950 degree K 20 MPCD screen temperature should not exceed 15 of its original value Xz0 290 Yz0 284 Specifictions are subject to change without prior notice WARNING The chassis in this receiver is partially live Alwais 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 37GQ 20FP IMPORTANT SERVICE NOTES Maintenance and repair of this receiver should be done by qualified service personnel only SERVICING OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE When servicing the high voltage system remove static charge from it by connecting a 10K ohm resistor in series with an insulated wire such as test probe between picture tube ground tag and high voltage lead AC line cord should be dis
19. 37GQ 20FP SHARP SERVICE MANUAL SEJ37GQ20FP02 Issued 9th June 00 SQUAD CHASSIS PAL SECAM SYSTEM COLOUR TELEVISION In the interests of user safety required by safety regulations in some countries the set should restored to its original condition and only parts identical to those specified should be used CONTENTS ELECTRICAL SPECIFICATION SCHEMATIC DIAGRAM WAVE FORMS 13 IMPORTANT SERVICE 5 PART UIS T sini ou ire ies 18 SERVICE ADJUSTEMENTS 4 TROUBLESHOOTING TABLES PRINTED WIRING BOARDS uuu u uu uuu SHARP CORPORATION This document has been published to be used for after sales service only 37 20 ELECTRICAL SPECIFICATIONS Power Input 220V 240 Volts AC 50Hz Sound Carrier Trap ed ed 40 4MHz ePower Consumption xii dote tee 32 4MHz Normal Operating 30W cei t ftd 33 4MHz Stand by Operating 7 5W sAdjacent Sound Carrier Trap Method IEC60107 we 32 4MHz tn I 40 4MHz eAudio Power Output Rating 2W MPO eAdjacent Picture Carrier Trap 320 2W 8cm Round 1 Eus etel eee eei 41 9MHz 30 9MHz
20. 4 15 37 0 20 SCHEMATIC DIAGRAM Version 01 1005 806 1000F 1 ELI 1000F R222 220K 8887 S Be 58 S 5 8 s 9 G DX0045BM 0804 ios ag w z 8 1n0A 5 ___ 8 5 lt E non 5 y 1701 S98 1108 01001 W uy aq 8 Ele Lj 2 ggg 888 SE 1002 A 0 K0079GE 14 LL jy 118601270 1098 13 oD SL 00 00 001 osom 62018 82018 12 305050 1172052 1000 2
21. 470 OHM 5 1 10W SMD 5 A 0701 QFS C3226CEZZ FUSE T3 15AH 250V 5 AIO ET SET SMD SAA 0701 QFSHD1001BMZZ FUSE HOLD EYF52BC PANASON S AA RES 27 5 1017 0701 QFSHD1002BMZZ FUSE HOLD EYF52BC PANASON S RD RA2HD272 RES 27 5 17241 FB 0301 RBLN 0037CEZZ BALUN FBA04HA90088 00 T Y S RD RA2HD272 RES 2 7KOHM 5 1 2W S 0701 RBLN 0020CEZZ BALUNE 5 RS TV1JD471J 2125 470 OHM 5 1 10W SMD 0702 RBLN 0037CEZZ FBA04HA90088 00 S AB RS TV1JD102J 2125 1 5 1 10W SMD S 0801 RBLN 0037CEZZ FBA04HA90088 00 S RS TV1JD102J 2125 1KOHM 5 1 10W SMD 0401 RBLN 0037CEZZ FBA04HA90088 00 S a 22 ROMS 5 H QCNW 2834BMZZ WIRE H 14 S QICNW2835BMZZ WIRE K 128 RS TV1JD471J 2125 470 OHM 5 1 10W SMD S 0000 0304 77 PLUG S AB MISCELLANEOUS PARTS 0000 QPLGNO505CEZZ PLUG S SC 0881 QSOCV0842CEZZ CRT SOCKET G 0000 QPLGNO207CEZZ PLUG 0003 QTIPM0017CEFM TIP 0019 VRS TV1JD332J 2125 3 3KOHM 5 1 10W SMD 10047 RBLN 0037CEZZ BALUN FBAO4HA90088 00 S PARTS 1 VSPO0080PBL6YS SPEAKER 2 0W 32 OHM DAIWA J 0056 VRS TQ2BD000J 3216 0 OHM 5 1 8W SMD S AA OWNERS MANUAL STGDQ20EP J 0061 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S TINS GS36BMNG QUICK GUIDE
22. ALUE X XXH XXH Assigned value RS Storage location Memory Bank In order to have access to NVM MENU button should be pressed To obtain a higher or lower Memory Bank buttons 222 A should be pressed respectively To have access to the desired Storage Location buttons V CH should be pressed as required to obtain a higher or lower location respectively 37GQ 20FP Bear in mind that for storage location indication a hexadecimal numerical system is used instead of a decimal system 0 1 2 3 4 5 6 7 8 9 A F 10 11 19 1A 1B 1 1D 1E 1F 20 21 99 9A 9 9D 9E 9F 0 A1 CO DO 0 FO F1 F2 F4 F5 F6 F7 F8 F9 FB FC FD FE FF From the last location FF to the first 00 can be reached by increasing and from first to last by decreasing Once the storage location to be varied has been selected its value can be modified by the bits that form part of the storage location numerical buttons numbers 0 to 7 respectively This swithches the binary number from and between 0 and 1 each time one of the buttons is pressed 0 20 1 1 21 2 2 22 4 7 For b c and g thru n selections Adjustment to a selection can be made by pressing buttons V 1 8 For d thru f selections Adjustment to a selection can be made by pressing button 22 NVM LIST DESCRIPTION
23. AMME DURING AUTOSEARCH gt DHOWS AUTO SEARCH DURING AUTOSEARCH 37 0 20 5 STEP FOR AUTO SEARCH IN BAND 17H 30H VHF3_SP STEP FOR AUTO SEARCH IN VHF3 BAND OAH 31H UHF_SP STEP FOR AUTO SEARCH IN VHF BAND 06H 32H OLD PROGRAM FOR FLASHBACK RETURN OAH 33H UHFHIGH UPPER WINDOW LIMIT FOR 01H 34H VHF3HIGH UPPER WINDOW LIMIT FOR VHF3 01H 35H VHFIHIGH UPPER WINDOW LIMIT FOR VHFI 01H 36H PRG NUMBER CURRENT PROGRAMME NUMBER 08H 37H WAITSUP UPPER LIMIT DELAY TIME FOR AUTOSEARCH 38H WAITINF LOWER LIMIT DELAY TIME FOR AUTOSEARCH 03H 3BH SCART BLOKING 00H 00H SCARTBLOCKING Do not use DOIH zSCART BLOCKING WHEN ANY PR IS IN CHILD Just for LOCK MODE UK models 3CH RET COL DELAY IN COLOUR IDENTIFICATION IN AUTO 40H MODE 3FH CHECKSUM 35H 05H 00H ONE CHIP REGISTER 00 80H 01H ONE CHIP REGISTER 01 30H 02H ONE CHIP REGISTER 02 9FH 03H ONE CHIP REGISTER 03 2DH 04H ONE CHIP REGISTER 04 00H 05H ONE CHIP REGISTER 05 B6H 06H ONE CHIP REGISTER 06 00H 07H ONE CHIP REGISTER 07 32H 08H ONE CHIP REGISTER 08 19H 09H ONE CHIP REGISTER 09 99H OAH ONE CHIP REGISTER OA 3CH OBH ONE CHIP REGISTER 0B B2H ONE CHIP REGISTER 2EH ONE CHIP REGISTER OD 24H OEH ONE CHIP REGISTER
24. COIL 3 3UH 10 RC KZ0029CEZZ CERAM C 10NF 80 20 250V VP NM3R3MR19N COIL 3 3UH SMD RC KZ0029CEZZ CERAM C 10NF 80 20 250V VP DF100K0000 PEAK COIL 10UH 10 RC EZ0140BMZZ ELEC 47UF 400V TROBO VP NM680K3R5N COIL 68UH SMD VCEAGA1CW106M LECC 10UF 20 16V CERAMIC FILTERS VCKYTV1HB153K ERAM 15NF 50V 2125SMD RC KZ0160BMZZ 2 2NF 4KV X1Y1 SF 0201 RFILC0278BMZZ SAW FILTER K3953M SIEMENS VCEAGA1EW227M LEC C 220UF 20 25V SF 0202 RFILC0293BMZZ SAW FILTER K9650M 05 VCEAGH2CW107M LEC C 100MF 20 160V X 1001 RFILC0121GEZZ FILTER CST8 00MTW MURATA VCEAGA1CW227M LEC C 220UF 20 16V TRANSFORMERS VCEAGA1CW227M LEC C 220UF 20 16V VCEAGA1AW477M LEC C 470UF 20 10V RTRNF2072BMZZ SMT 8228 001 3493 PHILIPS 14 VCKYTV1HF104Z ERAM C 100NF 50V 2125SMD RTRNZ0580BMZZ SMT 8228 001 3500 PHILIPS 14 VCEAGA1CW106M LECC 10UF 20 16V CAPACITORS N a e coc RC FZ0156BMZZ B32529 B6473K SIEMENS VCEAGA1CW106M mom m m m mm CO ITI LEC 10UF 20 16V VCCCTV1HH220J CERAM C 22 50V 2125SMD VCCCTV1HH101J CERAM C 100PF 50V 2125SMD VCKYTV1HB102K CERAM 1NF 50V 2125SMD VCCCTV1HH101J CERAM 100PF 50 2125SMD VCKYTV1EF334Z CERAM C 330NF 25V 2125SMD RC KZ0160BMZZ CERAM C 2 2NF 4KV X1Y1 VCKYTV1HB102K CERAM
25. D VRS TV1JD102J 25 1KOHM 5 1 10W SMD VRD RA2BE102J RES 1KOHM 5 1 8W VRS TV1JD102J 25 1KOHM 5 1 10W SMD VRS TV1JD102J 2125 1KOHM 5 1 10W SMD VRS TV1JD473J 25 47KOHM 5 1 10W SMD RR XZ0200BMZZ FUS RES 1 0 TAP 5 1 2W VRS TV1JD271J 25 270 OHM 5 1 10W SMD VRD RA2HD1R8J RES 1 8 OHM 5 1 2W VRS TV1JD271J 25 270 OHM 5 1 10W SMD VRS TV1JD103J 2125 10KOHM 5 1 10W SMD VRS TV1JD271J 25 270 OHM 5 1 10W SMD VRS TV1JD683J 2125 68KOHM 5 1 10W SMD VRS TV1JD273J 25 27KOHM 5 1 10W SMD VRS TV1JD101J 2125 100 OHM 5 1 10W SMD VRS TV1JD105J 25 1 5 1 10W SMD VRD RA2BE102J RES 1KOHM 5 1 8W VRS TV1JD223J 25 22KOHM 5 1 10W SMD VRS TV1JD184J 2125 180KOHM 5 1 10W SMD VRD RA2BE272J ES 2 7KOHM 5 1 8W VRS TV1JD822J 2125 8 2KOHM 5 1 10W SMD VRS TV1JD222J 25 2 2KOHM 5 1 10W SMD VRS TV1JD822J 2125 8 2KOHM 5 1 10W SMD VRS TV1JD153J 25 15KOHM 5 1 10W SMD VRD RA2BE561J RES 560 OHM 5 1 8W VRD RA2BE101J ES 100 OHM 5 1 8W VRS TV1JD392J 2125 3 9KOHM 5 1 10W SMD VRD RA2BE101J ES 100 OHM 5 1 8W VRS TV1JD121J 2125 120 OHM 5 1 10W SMD VRS TV1JD822J 25 8 2KOHM 5 1 10W SMD VRD RA2HD151J RES 150 OHM 5 1 2W VRS TV1JD334J 25 330KOHM 5 1 10W SMD VRD RA2BE184J RES 180KOHM 5 1 8W VRS TV1JD102J 25 1KOHM 5 1 10W SMD VRS TV1JD124J
26. DAMEN ODE INS IC 1001 RHAX1780BMZzZ IC ST6387 SGS THOMSON 0 05038 22 ODE 114933 IG UPCI SN NEC 5478 27 ENER DIODE TZMC6V2 SMD IC 1004 VHIPST529C2 1 IC PST529C2 MITSUMI RH EX0546BMZZ ENER DIODE TZMC5V6 TFK SMD RH DX0551BMZZ IODE LL4148 TFK SMD TRANSISTORS RH DX0507BMZZ ODE 1N4937 VS2SC2412KQ 2562412 RH EX0546BMZZ ENER DIODE TZMC5V6 TFK SMD RH TXOM6BMZZ TRT BF570 SMD VS2SC2412KQ TRT 282412 ROHM RH TX0217BMZZ TRT BC337 PHILIPS OER us RH TX0216BMZZ TRT BC327 RH DX0551BMZZ DIODE LL4148 SMD ene RH EX0545BMZZ ZENER DIODE TZMC5V1 SMD td s 5468 27 ZENER DIODE TZMC5V6 SMD 5468 27 ZENER DIODE TZMC5V6 SMD VS2SC2412KQ 1 2502712 ROM 05468 77 ZENER DIODE TZMC5V6 SMD RH TX0112BMZZ RT BC636 5468 27 ZENER DIODE TZMC5V6 SMD RH TX0108BMZZ RT BC635 5468 27 ZENER DIODE TZMC5V6 SMD 1088 22 RT 635 05488 27 ZENER DIODE TZMC6V8 SMD VS2SA1037KQ 1 RT BC807 SMD VS2SA1037KQ 1 TRT BC807 SMD 5468 22 ZENER DIODE TZMC5V6 SMD VS2SC2412KQ 1 TRT 2SC2412 ROHM VS2SA1037KQ 1 TRT BC807 SMD RH TX0132BMZZ BU508DFI RH TXO108BMZZ 635 RH 1X0112BMZZ TRT 636 VS2SC2412KQ 1 TRT 2SC2412 ROHM VS2SC2412KQ 1 TRT 2SC2412 ROHM RH TX0218BMZZ TRT BC337 40 PHI
27. E TZMC7V5 SMD CODE 6 QUANTITY RH EX0549BMZZ ZENER DIODE TZMC7V5 SMD RH EX0549BMZZ ZENER DIODE TZMC7V5 TFK SMD RH EX0549BMZZ ZENER DIODE TZMC7V5 SMD RH EX0549BMZZ ZENER DIODE TZMC7V5 SMD SPARE PARTS DELIVERY SECTION 0549 22 ZENER DIODE TZMC7V5 SMD RH EX0549BMZZ ZENER DIODE TZMC7V5 SMD PARTS DESCRIPTION RH DX0503BMZZ ODE 1N4933 RH DX0551BMZZ IODE LL4148 SMD PICTURE TUBE RH DX0551BMZZ IODE LL4148 SMD VB34EACO136 N CRT 14 A34EACO1X36 RH DX0551BMZZ IODE 114148 SMD RCILG0415BMZZ DEGAUSSING COIL 14 RH DX0505BMZZ ODE 1N4935 RH DX0045BMZZ ODE 1N4148 PRINTED WIRING BOARDS RH DX0506BMZZ ODE 1N4936 DUNTK7287CJV2 MOTHER BOARD AJUSTAMENT 376020 RH DX0504BMZZ ODE 1N4934 DUNTK7288CJV2 TRC AJUSTAMENT 37GQ20FP RH DX0505BMZZ ODE 1N4935 DSETU7287CJV2 ADJUST MOTHER SET 37GQ20FP RH EX0S49BMZZ ZENER DIODE 2 7 5 SMD RH DX0571BMZZ DIODE 1N4005 ACPA PWB A MOTHER UNIT RH DX0571BMZZ DIODE 1N4005 ACPA RH DX0571BMZZ DIODE 1N4005 ACPA TUNER RH DX0571BMZZ DIODE 1N4005 ACPA TU 0201 RTUNHO138BMZZ TUNER VST CTT 5045 THOMSON RH DX0551BMZZ DIODE LL4148 SMD RH EX0584BMZZ ZENER DIODE TZMBC6V2 TFK SMD 2 INTEGRATED CIRCUITS RH DX0505BMZZ ODE 1N4935 0501 RH IX1783BMZZ IC UA741CDR TEXAS INSTRUMENTS RH DX0561BMZZ IODE RGP15J FAGOR 0701 17828 272 TDA16833 SIEMENS RH DX0590BMZZ ODE MBR1100RL IC0801 RH IX1781BMZZ IC STV2238 SGS THOMSON
28. HW225M LEC C 2 2UF 20 50V VCCCTV1HH101J CERAM 100PF 50 2125SMD VCKYTV1HB472K ERAM C 4 7NF SOV 2125SMD VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD VCEAGA0JW107M LEC C 100UF 20 6 3V VCCWPA2HL8R2C 8 2PF 0 25 N1500 500V VCKYTV1HF104Z VCKYTV1HB104K CERAM C 100NF 50V 2125SMD o NI 5 N VCEAGA1HW105M LECC 1UF 20 50V VCKYTV1HB104K CERAM C 100NF 50V 2125SMD VCEAGA1HW105M LECC 1UF 20 50V VCEAGA1HW225M LEC C 2 2UF 20 50V VCKYTV1HF104Z C 100NF 50V 2125SMD VCEAGA1HW105M LECC 1UF 20 50V VCEAGA0JW477M E C E CERAM C 100NF 50V 2125SMD E E C E LEC C 470UF 20 6 3V VCEAGA2CW105M LECC 1UF 20 160V VCCCTV1HH220J CERAM C 22PF 50V 2125SMD VCEAGA1CW107M LEC C 100UF 20 16V VCCCTV1HH220J CERAM C 22PF 50V 2125SMD VCEAGA1CW476M LECC 47UF 20 16V VCCCTV1HH150J CERAM 15 50V 2125SMD VCEAGA1HW105M LECC 10 20 50V VCCCTV1HH150J CERAM 15PF 50V 2125SMD VCKYTV1HF103Z 10NF 50V 2125SMD VCCCTV1HH220J CERAM C 22 50V 2125SMD VCEAGA1AW227M LEC C 220UF 20 10V VCKYTV1HF223Z CERAM C 22NF 50V 2125SMD VCCCTV1HH101J ERAM C 100PF 50V 2125SMD VCKYTV1HF473Z CERAM C 47 50V 2125SMD VCEAGA1HW105M m CO ITI ITI LECC 1UF 20 50V VCEAGA1AW476M ELEC 47UF 20 10V
29. LIPS RH TX0218BMZZ TRT BC337 40 PHILIPS VS2SA1037KQ 1 TRT BC807 SMD N N o o g g CO CO C CO MD MD CO 02 CO CO DM DM CO CO CO CO DM CO CO CO Co CO CO CO A CO 02 CO DM CO aAa CO DM 00 DM DM CO CO CO CO CO CO a CO CO CO CO PACKAGED CIRCUITS 0701 RMPTPOO28CEZZ PTC RESISTOR X 0801 RCRSB0243BMZZ CRYSTAL 473 000 6835 4 43 MHZ ACAL COILS RCILP0227BMZZ COIL SMD 390NH LQN1HR39J VP NM100KR42N COIL 10UH SMD VP NM1ROMR10N COIL 1UH SMD VP DF3R3K0000 PEAK COIL 3 3UH 10 CO CO CO CO CO CO CO CO CO CO CO DM CO CO CO CO CO CO CO CO CO CO 18 PARTS DESCRIPTION PARTS DESCRIPTION 37GQ 20FP VP CF4R7K0000 PEAK COIL 4 7UH 10 VCKYTV1HB223K CERAM C 22 50V 2125SMD VP CF220K0000 PEAK COIL 22UH 10 RC FZ0160BMZZ CAP B1133 D1474 M SIEMENS RCILFO160BMZZ AC FILTER 30MH MURATA RC KZ0029CEZZ CERAM C 10NF 80 20 250V VP DF3R3K0000 PEAK
30. M ELEC C 100UF 20 35V RS TV1JD472J 2125 4 7KOHM 5 1 10W SMD VCEAGA2CW105M ELECC 1UF 20 160V RS TV1JD333J 2125 33KOHM 5 1 10W SMD RC FZ0174BMZZ POLIP C B32652 470NF 250V CO CO CO DM CO CO CO CO CO CO DD CO CO DM 00 DDD CO CO CO CO CO CO CO CO CO CO CO CO CO CO 00 00 CO CO CO CO CO CO CO CO CO CO gt 19 RS TV1JD332J 2125 3 3KOHM 5 1 10W SMD 37 0 20 PARTS DESCRIPTION 5 DESCRIPTION VRS TV1JD561J 2125 560 OHM 5 1 10W SMD VRD RA2HD6R8J RES 6 8 OHM 5 1 2 VRS TV1JD470J 2125 47 OHM 5 1 10W SMD RR XZ0200BMZZ FUS RES 1 0 TAP 5 1 2W VRS TV1JD101J 2125 100 OHM 5 1 10W SMD VRD RA2BE183J RES 18KOHM 5 1 W VRS TV1JD102J 2125 1KOHM 5 1 10W SMD VRD RA2HD2R2J RES 2 2 OHM 5 1 2W VRS TV1JD101J 2125 100 OHM 5 1 10W SMD VRD RA2HD270J RES 27 5 1 2W VRS TV1JD000J 2125 0 OHM 5 1 10W SMD VRD RA2HD270J RES 27 5 1 2W VRS TV1JD224J 2125 220KOHM 5 1 10W SMD VRN VV3AB2R7J MET FILM R 2 7 OHM 5 1W VRD RA2HD472J RES 4 7KOHM 5 1 2W VRD RA2BE153J RES 15KOHM 5 1 8W VRD RA2HD472J RES 4 7KOHM 5 1 2W VRS TV1JD561J 2125 560 OHM 5
31. NE CHIP REGISTER 09 99H OAH ONE CHIP REGISTER OA 3CH OBH ONE CHIP REGISTER 0B B2H ONE CHIP REGISTER 2EH ONE CHIP REGISTER OD 24H ONE CHIP REGISTER OE 22H ONE CHIP REGISTER OF 18H 10H ONE CHIP REGISTER 10 1FH 11H ONE CHIP REGISTER 11 00H 12H ONE CHIP REGISTER 12 00H 13H ONE CHIP REGISTER 13 38H 14H ONE CHIP REGISTER 14 20H 15H ONE CHIP REGISTER 15 00H 16H ONE CHIP REGISTER 16 IDH 17H ONE CHIP REGISTER 17 OFH 18H ONE CHIP REGISTER 18 2FH 19H ONE CHIP REGISTER 19 00H ONE CHIP REGISTER 14A 90H 1BH ONE CHIP REGISTER IB 90H 1CH ONE CHIP REGISTER IC 90H 1DH ONE CHIP REGISTER ID 00H EH ONE CHIP REGISTER 1E 00H FH ONE CHIP REGISTER IF 00H 20H VPOS 50 VERTICAL POSITION 4 3 50 Hz 12H 21H VAMP_50 VERTICAL AMPLITUDE 4 3 50 Hz OFH 22H VPOS_60 VERTICAL POSITION 4 3 60 Hz 23 60 VERTICAL AMPLITUDE 4 3 60 Hz OFH 24H HSHIFT_60 HORIZONTAL SHIFT 60Hz 1DH 25H HSHIFT_50 HORIZONTAL SHIFT 50Hz 22H 26H FINVFH STEP FOR FINE TUNING IN VHF BAND 00H 27H STEP THICK TUNING STEP FOR BAND F3H 28H VHF3 STEP THICK TUNING STEP FOR VHF3 BAND 64H 29H UHF STEP THICK TUNING STEP FOR UHF BAND 64H 2AH LP COARSE THICK TUNING ADJUSTMENT FOR L 02H 2BH BG COARSE THICK TUNING ADJUSTMENT FOR L AND BG 0AH 2CH BG FINE FINE TUNING ADJUSTMENT FOR L AND BG 00H 2DH LP_FINE FINE TUNING ADJUSTMENT FOR L 00H 2EH DELAY SEARCH 00H gt SHOWS PROGR
32. OE 22H ONE CHIP REGISTER OF 18H 10H ONE CHIP REGISTER 10 1FH 11H ONE CHIP REGISTER 11 00H 12H ONE CHIP REGISTER 12 00H 13H ONE CHIP REGISTER 13 38H 14H ONE CHIP REGISTER 14 20H 15H ONE CHIP REGISTER 15 00H 16H ONE CHIP REGISTER 16 IDH 17H ONE CHIP REGISTER 17 18 ONE CHIP REGISTER 18 2FH 19H ONE CHIP REGISTER 19 00H 1AH ONE CHIP REGISTER 1A 90H 1BH ONE CHIP REGISTER 1B 90H 1CH ONE CHIP REGISTER IC 90H 1DH ONE CHIP REGISTER ID 00H 1EH ONE CHIP REGISTER IE 00H ONE CHIP REGISTER IF 00H 20H VPOS_50 VERTICAL POSITION 4 3 50 Hz 12H 21H VAMP_50 VERTICAL AMPLITUDE 4 3 50 Hz 22H VPOS_60 VERTICAL POSITION 4 3 60 Hz OFH 23H VAMP 60 VERTICAL AMPLITUDE 4 3 60 Hz 24 5 60 HORIZONTAL SHIFT 60Hz 1DH 25H HSHIFT_50 HORIZONTAL SHIFT 50Hz 22H 26H FINVFH STEP FOR FINE TUNING IN VHF BAND 00H 27H STEP THICK TUNING STEP FOR BAND F3H 28H VHF3 STEP THICK TUNING STEP FOR VHF3 BAND 64H 29H UHF STEP THICK TUNING STEP FOR UHF BAND 64H 2AH LP COARSE THICK TUNING ADJUSTMENT FOR L 02H 37GQ 20FP 2BH BG_COARSE THICK TUNING ADJUSTMENT FOR L AND BG 05H 2CH BG_FINE FINE TUNING ADJUSTMENT FOR L AND BG 80H 2DH LP_FINE FINE TUNING ADJUSTMENT FOR L 80H 2EH DELAY SEARCH 00H XXXXXXX0 gt SHOWS PROGRAMME DURING AUTOSEARCH XXXXXXX1 gt DHOWS AUTO SEARCH DURING AUTOSEARCH 2FH SP
33. R320 I S OOM z Kan u sz e d C861 R9 E R885 2 8 525 5 q 0304 0885 TN t 9 Ke 5 1 C876 R883 e cao 0302 71 R892 7 D z Z 0883 2 2 6415 Z 0812 A Te T B 8 a ls 15 8 R879 5 5 ol 5 Oc c 9301 ST 8 sO R307 D 1 74 NN K 871 R306 22 R303 103 T PR701 x A 5 2 8 C702 5 gt 6302 MESI 5 45 8 TY it gs MC quam 24 IP CES 8 3 172 0872 0887 8 1 8305 8 2 o Em J2 8 Q707 C709 RIO C312 5 E a 8314 0 wj YW aw 8220 B NA S 2 1002 2 8 KD 9 0303 0 1 1002 0714 ls 2 R315 R1001 250 BE J73 211 87 Bn mos 2 D301 ZS 071 R1019 gt S 1027 C714 J84 2 26 44 W D709 Q701 u z JJ TURNOS N ana 1 1001 01001 T 5 701 I 9706 ANENA 15 J16 1001 X e en 2 J17 pu Sa S R709 JF11 2 R301 44 ana pasi l 5 C 0 s 885 iit We ed 8710 C722 715 101004 R1012 N P es EE 2 N 0708 8 it 4 652 ELDER C707 R703 NI ee Iokon 481 0501 3 R537 A Sill B 5 C608 C609 124 76 5252 515 2
34. REQ 15 6 KHz CH1 16 8 CH1 1 84 CH1 744 CHI 72 8 CH1 70 4 13 37 0 20 2 SCHEMATIC DIAGRAM Version 01 14 SCHEMATIC DIAGRAM Version 01 bee _ 14 37GQ 20FP 12 1
35. SMD VRD RA2BE472J ES 4 7KOHM 5 1 8W VRD RA2EE750J RES 75 OHM 5 1 4W VRS TV1JD272J 25 2 7KOHM 5 1 10W SMD VRD RA2EE750J RES 75 OHM 5 1 4W VRD RA2HD561 ES 560 OHM 5 1 2W VRS TQ2BD750J OX RE 75 OHM 5 1 8W SMD VRS TV1JD220J 25 22 OHM 5 1 10W SMD VRS TV1JD103J 2125 10KOHM 5 1 10W SMD VRS TV1JD121J 25 120 5 1 10W SMD VRS TV1JD223J 2125 22KOHM 5 1 10W SMD VRS TV1JD102J 25 1KOHM 5 1 10W SMD VRS TV1JD104J 2125 100KOHM 5 1 10W SMD VRS TV1JD151J 25 150 OHM 5 1 10W SMD VRS TV1JD682J 2125 6 8KOHM 5 1 10W SMD VRS TV1JD391J ro ro rp Z N ol r 25 390 OHM 5 1 10W SMD VRS TV1JD682J 2125 6 8KOHM 5 1 10W SMD VRS TQ2BD000J 3216 0 OHM 5 1 8W SMD VRS TQ2BD221J OX RE 220 OHM 5 1 8W SMD VRS TV1JD221J 25 220 OHM 5 1 10W SMD VRS TQ2BD221J OX RE 220 OHM 5 1 8W SMD VRS TV1JD221J 25 220 OHM 5 1 10W SMD VRS TV1JD104J 2125 100KOHM 5 1 10W SMD VRS TV1JD221J 25 220 OHM 5 1 10W SMD VRS TV1JD470J 2125 47 OHM 5 1 10W SMD VRS TV1JD102J 25 1KOHM 5 1 10W SMD VP NM2R2MR16N COIL 2 2UH SMD VRS TV1JD102J 25 1KOHM 5 1 10W SMD VRS TV1JD000J 2125 0 OHM 5 1 10W SMD amp amp SSS SS SSS SSS SSS SS SSS SS ESS SSE EEO VRS TV1JD102J 25 1KOHM 5 1 10W SMD VRS TV1JD000J 2125 0 OHM 5 1 10W SM
36. Signal should be received Check the tuner supply and band biases Both must be approx 5V DC Normal Is tuning voltage normal at Pin 2 of Tuner Check Q1001 1 1001 1 1003 Check the AGC Voltage Pin 1 of Tuner Check the SAW Filter SF201 22 Check Sound setting by RIC Signal should be received Does approx 20V DC appear on C710 Check D707 C710 Does Sound Signal appear at Pin 6 of IC801 Check 12801 C301 Is Audio Amplifier muted Check 1 1001 Q305 Check R304 Q301 Q302 23 37GQ 20FP 37GQ 20FP Fuse Blown Replace Fuse Fuse Blown again Check 12701 Normal Check D701 D702 D703 D704 C705 NO RASTER Normal Check Voltage on C705 Approx 325V DC Check Voltage on C711 Abnormal Approx 0V Check D708 D717 Check R705 R706 Check Q601 C711 R715 D706 24 Approx 105V DC Check CRT connector K1 K5 bias Check C878 Check 1 801 37GQ 20FP NO VERTICAL SCAN Is 12501 bias normal Check R510 Q501 Q502 Q503 D709 D710 NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION Check 1 801 C815 C816 R818 DEFECTIVE VERTICAL AMP AND VERTICAL LINEARITY Readjust Vertical Size Vertical size is abnormal Vertical linearity is
37. TH SPECIFIED ONES FOR WHEN SERVICING THE AREA CONNECT AN MAINTAINING THE SAFETY AND PERFORMAN ee NR CE OF THE SET RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK CAUTION This circuit diagram is original one WAVEFORM MEASUREMENT CONDITION therefore there may be light difference from Colour bar genetator signal of 70 dB from RF input yours CH1 100V 2us200V VERT CH1 100V 2us100V VERT CH1 2V A 10us 1 00V VERT CH1 200V 10 8 200V VERT CH1 1V 10 5 1 00V VERT A Td D FREQ 100KHz FREQ 100KHz FREQ 15 6KHz FREQ 15 6KHz FREQ 15 6KHz 504V 472V 856V CHI 1 00 540V Le i i 1 T 1 W y CH1 1V A 5ms2 50V VERT CH1 500mV 5ms1 00V VERT CH1500mV 5ms 500mV VERT CH110V 5ms 10 0mV VERT CH1 1V 5ms 2 50V VERT D CH1 FREQ 50 0 Hz FREQ 50 0 Hz CH1 FREQ 50 0 Hz CH1 FREQ 50 0 Hz CH1 FREQ 1 00 KHz 4 80V 1 48V 1 94V CH1 384V 444V CH1 5V 500us 0 0V VERT CH1 500mV 10us TVFLD 25 CH1 20V 104 150V VERT CH1 20V 10us 150V VERT CH1 20V 105 150 V VERT CH1 FREQ 412 Hz CH1 FREQ 15 6 KHz CH1 FREQ 15 6 KHz CH1 FREQ 15 6 KHz CH1 F
38. al Channel E 12 Signal strength 57 dBuv 2 Enter into Service Mode 3 Push CH until AGC STR appears on screen 4 Push 7 key of R C AGC OK will appear 5 Switch set OFF and ON again setting is now memorized eScreen Adjustement 4 Focus Adjustment 1 Apply mains voltage of 220V AC 50HZ to TV 2 Receive Philips pattern signal to a level between 60 and 80 3 Set contrast to 10 10 brightness to 5 10 and colour 0 10 4 Adjust focus potentiometer to obtain maximum definition 5 G2 Adjustment 1 Apply mains voltage of 220V AC 50HZ to TV 2 Receive cross hatch pattern signal to a level between 60 80 dBuV 3 Apply High Voltage Probe to Pin 8 of CRT socket 4 Adjust G2 potentiometer until obtaining 525V 10 5 Check BKGD If it is necessary adjust BKGD according to instructions detailed in the next page 37 0 20 eGEOMETRY ADJUSTMENT PROCEDURE 1 HOR POS a Receive Philips pattern signal b When 1 A button is pressed picture moves to the left c When 22 button is pressed picture moves to the right d Adjust the horizontal location to obtain picture centering Fig 1 2 VERT POS a Receive Philips pattern signal b When 22 button is pressed picture moves up c When v 22 button is pressed picture moves down d Adjust the vertical location to obtain picture centering Fig 2 3 VERT AM a Receive Philips pattern signal b When 22 butt
39. connected from AC outlet 1 The Picture tube in this receiver employs Integral Implosion protection 2 Replace with tube of the same type number for continued safety 3 Do not lift picture tube by the neck 4 Handle the picture tube only when wearing shatterproof goggles and after discharging the high voltage completely X RAY This receiver is designed so that any X Ray radiation is kept to an absolute minimum Since certain malfunctions and servicing may produce potentially hazardous radiation with prolonged exposure at close range the following precautions should be observed 1 When repairing the circuit be sure not to increase the high voltage to more than 25 5 at beam 1000 for the set 2 To keep the set in a normal operation be sure to make it function on 22 4 1 5 at beam 8001 in the case of the set The set has been factory adjusted to the above mentioned high voltage Always check the high voltage if there is any possibility that it might have changed as a result of the repair 3 Do not substitute a picture tube with unauthorized types and or brands which may cause excess X Ray radiation BEFORE RETURNING THE RECEIVER In addition to the above checks the following safety checks should also be carried out before returning the unit to the user 1 Inspect all leads and dress to make certain that the leads are not pinched or that hardware is not logged between the chassis and other metal parts
40. on is pressed vertical size of picture increases c When 22 button is pressed vertical size of picture decreases d Adjust the vertical size to obtain picture overscan Fig 3 Fig 1 Fig 2 Fig 3 eCOLOUR ADJUSTMENT BKGD PROCEDURES The following adjustments are requiered when the Picture Tube or 1 801 are replaced or may be necessary after adjustment of the G2 voltage 1 B GAIN G GAIN a Adjust G2 Tune a grey scale pattern Gain point Adjust colour to minimum 0 Black 7 White Fix R GAIN value to 50 Position colourmeter in the the left point of Fig 4 Fig 4 Using brightness and contrast buttons select a luminance of 120 nits DC point 9 Operate again in Service Mode and select location B GAIN and G GAIN to obtain colour coordinates X 0 290 0 015 Y 0 284 0 015 h 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 b 9 f 2 G DC R DC a Adjust G2 in the case that it has not been made previously b Tune a grey scale pattern c Adjust colour to minimum Position colourmter in the the right point of Fig 4 f Using brightness and contrast buttons select a luminance of 20 nits g Operate again in Service Mode and select location G DC and R DC to obtain colour coordinates X 0 290 0 015 0
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