Durabrand DBTV1901 free download

File name tv_color_.pdf

DBTV1901 SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR'S VERSION A Design and specifications are subject to change without notice. DBTV1901 SERVICE MANUAL COLOR TELEVISION RECEIVER REVISION 1 MFR'S VERSION C MFR'S VERSION A C PCB010 TMX494A TMX494B PCB110 TCX352A TCX352B Please file this revision with the original version. Change of PCB ELECTRICAL REPLACEMENT PARTS LIST MFR'S VERSION A REF. NO. R416 C422 MAIN PCB ASS'Y (VERSION A) PCB010 A3J907A01A TMX494A CRT PCB ASS'Y (VERSION A) PCB110 A3J907A11A TCX352A MAIN PCB's and CRT PCB's are not interchangeable. PART NO. DESCRIPTION MFR'S VERSION C PART NO. DESCRIPTION R002T2010J RC 1 OHM 1/2W P613T1154J CMPL 0.15 UF 100V TF MAIN PCB ASS'Y (VERSION C) A3J907A010 TMX494B CRT PCB ASS'Y (VERSION C) A3J907A110 TCX352B PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE (VERSION C) ADD R416 C422 DEFLECTION/CRT SCHEMATIC DIAGRAM (MAIN PCB) (VERSION C) IC401 ADD R416 C422 SPEC.NO. O/R NO. M3J9-07A W163007 A B C D E F G H MICON/TUNER SCHEMATIC DIAGRAM 8 ACCESSORY TU001 15 (MAIN PCB) ENV56DB6G3 3 ADRES 7 BPL 1 AGC 5 SDA 9 BTL 4 SCL 6 V.S 13 8 11 IF 10 14 8 2 0 NC 0 NC NC 1.3 NC 6.2 NC 0 4.9 4.8 4.8 TM101 RC-DW010 W835 R128 560 R607 100 30.0 4.6 C003 50V 4.7 KA MTZJ30B R101 SW105 SKHVBED010 R126 F SW104 SKHVBED010 SW103 SKHVBED010 SW102 SKHVBED010 CH UP SW101 SKHVBED010 0.1 2.7K VOL UP VOL DOWN C002 7 POWER 470 YK 12 560 7 FROM/TO CHROMA AGC GND IF CH DOWN C004 OS101 PIC-37143SY 1 Vout 3 GND 2 B+ D001 6.3V TUNER+5V R141 R142 270 270 R002 18K 1/2W R001 18K 1/2W FROM DEFLECTION/CRT +B X-RAY 4.8 4.9 0 C123 25V 10 KA 6 R143 47 FROM POWER DEGAUSS 15K IC101 1 5.2 0 EXT MUTE STANDBY_H PROTECT_H 41 2 R118 47K AUDIO MUTE R117 MICON IC OEC7073A 3.2 R111 R125 H_CTL 42 22K 47K TO SOUND/AV AUDIO_MUTE FROM/TO CHROMA 1K 1/4W C140_1 R139 5 5.2 3 4 VD R123 4.7K R122 4.7K R121 4.7K R120 4.7K R102 R103 R104 R124 820 820 11 X-RAY_TEST AV2 AV1 DEGAUSS P.FAIL CLOCK CONT SDA1 SCL1 32 820 4.98 4.7 D604 4.7 D607 14 29 5.2 C130 FSC 0.01 C113 2.7K L101 12P CH C114 12P CH R127 0 16 27 3.3uH OSC2 OSC1 CNVSS Xin Xout VSS RESET CVIN V.HOLD HLF FILT VCC 5.2 C115 3.6 560P W C138 0.9 C120 18 25 0.001 CH 2.26 R130 1.05 20 23 C126 0.01 B C127 5.2 6.3V 330 YK C119 470P B R133 1K R134 470 2 R129 1M C124 0.01 B 50V 0.1 KA B W806 RESET POWER FSC IN MTZJ5.6B MTZJ5.6B S802Y 4.7K C136 OSD_B 0.1 F C139 OSD_G 0.1 F C141 OSD_R 0.1 F OSD_BLK 100 0.001 Y AFT SYNC HD H_CTL PROTECT_H I2C_OFF 6 0.8 5.2 5.2 R110 I2C_OFF SYNC 0 NC 2.69 5 R112 2.2K R113 2.2K R115 47K R132 47K W845 39 4 40 0 3 5 AFT KEY1 KEY2 X-RAY REMOCON ON TIMER H.SYNC V.SYNC BLUE B GREEN G RED R BLANK 0 NC 0 NC 0 NC 0 NC 0 NC 34 33 9 4.95 35 8 2.27 36 7 5 37 6 4.99 38 5 4.8 4.8 4.8 5 4 10 4 R108 SDA 100 R107 SCL 100 CLOCK_CONT POWER 12 13 15 17 1 0 0 0 4.98 NC W814 26 3 28 W840 4.98 30 31 2.8 3 C121 1K 220P B C122 50V 1 KA R105 R106 4.7K 4.7K AT+5VBACKUP AT+5V 1