Toshiba 20AF41 Service Manual - Page 19

A 8 ACCESORY BT001 R03(AB)E_20_T TM101 BT002 SBKMOP006A 7 R03(AB)E_20_T 1 Vout 2 B+ 3 GND B OS101 PIC-23143SY2 C D E MICON / TUNER SCHEMATIC DIAGRAM (MAIN PCB) TU001 NJH3022U268 W801 14 15 1.3 11 IF 0 NC 10 NC 30.0 9 BTL 0 NC 8 5.0 7 BPL NC 6 V.S 4.9 R111 C123 5.0 47 16V10 KA 0 0.01 B C002 HZ30-3L C001 0.01 B D001 C008 C004 R001 0.022 M 27K 1W R130 820 R127 1K D104 1SS133 C138 0.01 Y R129 2.2K R128 33K 1/4W R131 10K 1/4W C135 0.0022 B R132 15K RED LED POWER ON D109 4.8 0 V-BUFFER 0 Q101 2SC2412K H-BUFFER Q102 2SC2412K 4.8 0 0 SLR-342VCT32 6 MICON IC101 OEC7054A 1 4.8 H SYNC 0 OSD R 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 C112 0.0022 B R137 150 1/4W FROM/TO CHROMA/IF SYNC_OUT AFT_OUT 5 FROM/TO DEFLECTION V.OUT1 AFC X-RAY D108 MTZJ5.6B W804 R126 2.7K R101 560 C132 820P CH R115 47K R150 4.7K 0.3 0 SYNC SEP. Q109 2SC2412K 0 R151 4.7K R104 560 R114 2.2K R116 2.2K 4.8 R117 0 10K 4.9 R118 0 10K 0.3 6 5 4 3 2 V SYNC NC REMOCON NC SYNC 7 5.0 KEY 1 8 5.0 KEY 2 0 X RAY OSD G 0 OSD B 0 OSD BLK 0 X-RAY TEST 0 NC 0 EXT MUTE 0 TV MUTE 0 BBE H 0 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 0 AFT IIC OFF 4.9 CH DOWN SW102 SKHVBED010 VOL DOWN SW104 SKHVBED010 POWER SW105 SKHVBED010 CH UP SW101 SKHVBED010 VOL UP SW103 SKHVBED010 R136 4.7K C131 220P CH W834 FROM/TO POWER GND_POWER 4 EMERGENCY2 P.CON+9V P.FAIL 0 5.0 0 EMERGENCY Q105 2SA1037AK 3 FROM/TO AV CV_IN C122 50V1 KA C121 200P CH C128 0.001 B R102 1K R106 15K C124 0.1 B R103 1M C107 0.01 B 0 NC 0 NC 0 NC 0 NC 0.1 R112 0.1 10K R113 0.1 10K 5.0 NC P FAIL NC NC AVCC 1.7 HLF 1.7 RVCO 3.5 VHOLD 2.8 CVIN 0 CNVSS NC 0 NC POWER 5.0 H TONE OUT 0 SCL1 5.0 SCL2 (PIP) 0 SDA1 5.0 SDA2 (PIP) 0 SPOT KILLER 4.8 NC DEGAUSS H 0 0 NC AV2 0 NC AV1 0 NC RESET 5.0 R152 1K D106 1SS355 S801X 2 0 SWITCH 4.8 Q107_1 0 DTC114TKA S802X C119 0.68 TF C118 6.3V 470 YK 2 31 W823 2.3 X.IN 1 X101 1.9 X.OUT CSTS0800MG03-T2 0 VSS OSC2 3.2 OSC1 3.3 VCC 5.0 R154 10K S801Y L101 2.7uH D102 1SS133 R123 4.7K R122 4.7K R121 4.7K W805 R125 47K R119 47K C130 220P CH R124 47K R139 1K 1/4W R140 1K R141 1K 1/4W D107 1SS133 0 R142 47K 1/4W 15.8 0 X-RAY TEST Q103 DTC114EKA R138 1K 2 R107 1K 1/4W R108 R110 10K C108 270P CH 2.2K C109 270P CH R109 3 2.2K 1/4W 4 VCC C114 82P CH C113 82P CH 5.0 5.0 5 6 C101 0.022 B 0 5.0 7 8 MODE SCL SDA E1 E2 VSS W822 4 3 2 1 0 0 0 0 E0 C120 1B MEMORY IC199 S-24C08ADPA-01 6.3V 2200 YK R006 5.0 5 SDA C005 100P CH 270 5.0 4 SCL C006 100P CH R007 270 1.3 NC 3 ADRES 6.2 NC 2 NC 4.6 1 AGC F C007 0.01 B AGC TP001 C003 50V2.2 KA 12 13 TEST POINT CP101 173979-6 GND 1 I2C SCL 2 C111 50V1 KA R134 10K G 6 5 4 3 R.OUT AGC I2C OFF I2C SDA FROM/TO CHROMA/IF R.OUT AGC SCL SDA IF OSD_R OSD_G OSD_B OSD_BLK FROM/TO DEFLECTION X-RAY_TEST FROM/TO AV SCL SDA EXT_MUTE FROM/TO SOUND TV_MUTE SDA BBE_SW SCL FROM/TO POWER POWER GND_SIGNAL P.CON+5V_W/BL +B AT+5V DEGAUSS_H RESET IC103 PST600C VCC GND V.OUT 1 2 3 5.0 0 5.0 R133 D103 10K 1SS133 C116 C117 0.68 TF 0.68 TF 1 NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. A B C CAUTION: SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY D ATTENTION: LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES E CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR F G H 8 7 6 5 4 3 2 PCB010 1 TMX481 H