Toshiba MW30G71 Service Manual - Page 105

A B C D E F DIGITAL COMB SCHEMATIC DIAGRAM 8 (SCALER PCB) 7 6 C1565 1B L1508 15uH 5.0 BUFFER Q1501 C1537 3.7 2SC3052 15P CH 5 3.1 R1515 L1509 680 15uH W836 C1539 C1538 27P CH R1513 8.2K R1514 1K 4 3 FROM/TO IN/OUT/REGULATOR GND 2 R1520 8.2K R1521 1K C1567 1B L1511 15uH R1519 2.7K C1547 0.1 B 5.0 3.7 3.1 BUFFER Q1503 2SC3052 R1522 680 C1548 15P CH L1512 15uH C1549 27P CH R1512 2.7K R1518 1.5K JG1502 C1550 390PCH R1524 560 120P CH R1517 R1516 R1523 180 560 180 C1503 33uH 0.01 B C1507 47uH 16V10 V-S C1508 22P CH C1511 0.01 B L1504 47uH JG1505 JG1506 JG1507 C1530 0.01 B C1526 0.01 B C1525 0.01 B C1518 0.01 B C1519 16V 10 V-S R1510 560 JG1503 JG1504 B1501 HCB2012K-600T25 C1517 0.01 B R1511 18K NC NC NC NC NC NC NC NC NC NC NC NC C1540_1 0.47 B 47 C1535 100P CH 1.8 1.2 0 BUFFER Q1502 2SA1530A W835 C1541 6.3V 100 V-S C1542 0.1 B 48 L1513 22uH C1552 6.3V 100 V-S C1551 0.1 B JG1501 L1514 33uH C1556 0.1 B C1557 6.3V 22 V-S R1525 1.5K C1546 1.8 0.01 B 1.2 0 BUFFER Q1504 2SA1530A C1558 4P CH L1501 L1502 L1503 0.01 B C1510 1.5uH 0.001 B C150918P CH 100 R1503 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 C1532 0.9 C1533 0.01 B 1.7 0.01 B C1534 1.2 0.01 B 0 1.2 2.4 C1543 0.7 C1544 0.01 B 0.8 0.01 B C1545 1.7 0.01 B 1.2 2.4 C1553 1.2 0.01 B 0 C1554 1.2 0.01 B C1555 0.7 0.01 B 2.5 R1526 2.0 1.5K 0 C1559 0.01 B 1.1 2.0 2.5 C1560 1.2 0 1.6 2.3 3.2 2.9 3.2 0 0 0 1.5 0 0 0 0 0 3.2 0 0 0 0 1.5 1.6 0 0 1.8 1.7 2.5 0 1.5 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 VDDRAMD1(2.5V) YOUT3 YOUT2 YOUT1 YOUT0 CKOUT DVDD4(1.5V) COUT0 COUT1 DVSS4 COUT2 VDDIO3(3.3V) COUT3 COUT4 VSSIO3 COUT5 COUT6 DVDD5(1.5V) COUT7 COUT8 DVSS5 COUT9 HDOUT VDOUT OEPK UVFLAG VRMYAD VSSYAD YIN(CVBS) VDDYAD(2.5V) VRBYAD BIASACAD VRTCAD CIN VDDCAD(2.5V) CR IN VSSCAD CB IN VRBCAD VDDDA(2.5V) DAOUT VSSDA 79 VB1 READY 80 VCLAMPP 81 BIASYAD 82 VRTYAD 1 VDDPLL(2.5V) 2 PLL IN 99 BIASDA 100 VREFDA 3D-Y/C_SEPA IC1501 TC90A92AFG 49 YOUT4 50 VSSRAM2 51 VDDRAM2(1.5V) 52 VDDRAMD1 YOUT5 YOUT6 YOUT7 VSSIO2 YOUT8 YOUT9 VDDIO2(3.3V) TESTM6 TESTM5 DVSS3 CSYNC IN 29 TESTM0 TESTM4 30 RESET DVDD3(3.3V) 31 SDA 32 SCL TESTM3 TESTM2 TESTM1 VCOFIL VSSPLL VDDXO(3.3V) XOIN XOOUT VSSXO BUSSEL DVDD1(1.5V) DIN9 DIN8 DIN7 DVSS12 DIN6 DIN5 DVDD2(1.5V) DIN4 DIN3 VSSRAM1 VDDRAM1(1.5V) DIN2 DIN1 VDDIO1(3.3V) DIN0 CC141N VSSIO1 TEST IN 1.4 BUFFER 0.01 B 1.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Q1505 2SC3052 C1504 2.5 1.2 1.2 0 3.2 1.6 1.6 0 0.2 1.5 0 0 0 0 0 0 1.5 0 0 0 1.5 0 0 3.2 0 0 0 0 0 3.4 3K 0.0015 B C1505 0.01 B R1501 R1502 R1527 1.2K C1501 0.1 B C1502 C1561 270K X1501 42MHz 22 6.3V V-S 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 0 1.6 1.5 1.6 1.2 0 1.5 1.9 3.2 C1516 0.01 B 0 0 0 0 0 1.5 C1515 0.01 B 0 0 0 4.6 4.6 R1504 470 C1512 0.01 B C1513 0.01 B C1514 0.01 B C1563 0.01 B C1527 C1528 10V 47 V-S G L1507 10uH L1505 10uH 0.01 B 10V 47 V-S C1521 0.01 B C1520 R1507 100 R1505 180 R1508 100 R1506 100 4D03WGJ0101T5E NR1502 4D03WGJ0101T5E NR1501 C1529 0.01 B C1522 10V 47 V-S C1523 0.01 B L1506 10uH C1524 0.01 B H 8 FROM/TO IN/OUT/REGULATOR P.CON+5V P.CON+3.3V P.CON+1.5V 7 P.CON+2.5V FROM/TO SCALER 3D_Y/C_ODD/EVE 3D_Y/C_VD-OUT 6 3D_Y/C_HD-OUT 3D_Y/C_656-CLK 3D_Y/C_656OUT-0 3D_Y/C_656OUT-1 3D_Y/C_656OUT-2 3D_Y/C_656OUT-3 5 3D_Y/C_656OUT-4 3D_Y/C_656OUT-5 3D_Y/C_656OUT-6 3D_Y/C_656OUT-7 R1509 100 R1528 100 4 FROM/TO IN/OUT/REGULATOR SCL SDA 3D_Y/C-RESET 3 C_IN Y/CVBS_IN 2 C1506 0.01 B 1 A G-37 NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D E F 1 PCBDS0 CED020 G H G-38