Toshiba 42WP66R Service Manual page 26

A B
8
C1565
1 B
L1508
15uH
7
BUFFER
C1537
5.0
Q1501
C1536
KTC3875S_Y_RTK
15P CH
3.7
4V V-S
100 L1509
R1515
3.1
680 15uH
6
C1567
1 B
L1511
15uH
5.0 BUFFER
C1548
Q1503
3.7
KTC3875S_Y_RTK
15P CH
3.1
L1512
R1522
C1547
680 15uH
0.1 B
5
C1571
1 B
L1515
15uH
4
5.0 BUFFER
C1573
Q1506
3.7
KTC3875S_Y_RTK
15P CH
3.1
L1516
R1531
C1572
680 15uH
0.1 B
3
C1577
1 B
L1517
15uH
5.0 BUFFER
C1579
Q1508
3.7
KTC3875S_Y_RTK
15P CH
3.1
L1518
R1538
C1578
680 15uH
0.1 B
2
1
A B
H-29
C
DIGITAL COMB SCHEMATIC DIAGRAM
C1540_1 C1535
100P CH
0.47 B
1.8
BUFFER
1.2
Q1502
0 KTA1504S_Y_RTK
R1510
560
1.2 0 1.6 2.3 3.2 2.9 3.2
80 79 78 77 76 75
C1532
0.9
C1533 0.01 B
1.7
0.01 B C1534
1.2
JG1501 VRMYAD
0.01 B
0 79
VSSYAD
C1546
1.2 80
YIN(CVBS)
0.01 B
2.4
81
1.8 VDDYAD(2.5V)
C1541
C1543
W966 0.7
VRBYAD 82
1.2
6.3V 100 V-S C1544 0.01 B
0.8
0
BIASACAD
0.01 B C1545
C1542 0.1 B 1.7
VRTCAD
0.01 B
1.2
CIN
2.4
C1552
L1513
VDDCAD(2.5V)
C1553
1.2
22uH 6.3V 100 V-S
CR IN
C1551 0.01 B
0
VSSCAD
0.1 B C1554
1.2
CB IN 1
0.01 B C1555
0.7
VRBCAD 2
L1514 0.01 B
2.5
VDDDA(2.5V)
99
C1556
33uH R1526
2.0
DAOUT
100
0.1 B
1.5K
0
C1557
VSSDA
C1559 0.01 B 1.1
6.3V 22
2.0 2.5
V-S C1560
1.8
0.01 B
1.4 1.5
1.2 1 2 3 4 5 6
0
2.5 1.2 1.2 0 3.2 1.6 1.6
C1504
R1501 270K
0.01 B
X1501
C1501
100DT04201
0.1 B
42MHz
C1502
22 6.3V
V-S
1.8
BUFFER
Q1509
1.2
KTA1504S_Y_RTK
0
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.
C
D E
(SCALER PCB)
B1501
HCB2012K-600T25
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
74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54
VB1 READY 49 YOUT4
VCLAMPP 50 VSSRAM2
BIASYAD 51 VDDRAM2(1.5V)
VDDRAMD1
VRTYAD 52
3D-Y/C_SEPA IC
IC1501
TC90A92AFG
VDDPLL(2.5V) 29 TESTM0
PLL IN 30 RESET
BIASDA 31 SDA
SCL
VREFDA 32
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
0.2
0 1.5 0 0 0 0 0 0 1.5 0 0 0 1.5 0 0 3.2 0 0 0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
L1507
10uH
L1505
10uH
L1504
47uH
C1517
0.01 B
R1507
R1506
10
R1505
10
180
0 1.5
53 52 51
0
1.6
NR1502
1.5
4D03WGJ0101T5E
YOUT5
1.6
YOUT6
1.2
YOUT7
0
VSSIO2
1.5
YOUT8
NR1501
C1516
1.9
4D03WGJ0101T5E
YOUT9
3.2 0.01 B
VDDIO2(3.3V)
0
TESTM6
0
TESTM5
0
DVSS3
0
CSYNC IN
0 C1515
TESTM4
1.5 0.01 B
DVDD3(3.3V)
0
TESTM3
0
TESTM2
0
TESTM1
R1509
4.6
100 R1528
4.6
100
28 29 30
R1504
0 0 3.4
470
C4377
C4376
1 B
1 B
5.0
9.0
BUFFER
4.3
0
TUNER/AV1/Y SW IC
IC4309
F G
H
FROM REGULATOR
8
P.CON+5V
P.CON+3.3V
L1506 R1542
P.CON+1.5V
10uH 2.2
P.CON+2.5V
P.CON+9V
7
GND
FROM/TO SCALER
3D_Y/C_VD-OUT
3D_Y/C_656-CLK
6
3D_Y/C_656OUT0
3D_Y/C_656OUT1
3D_Y/C_656OUT2
3D_Y/C_656OUT3
3D_Y/C_656OUT4
3D_Y/C_656OUT5
5
3D_Y/C_656OUT6
3D_Y/C_656OUT7
SW2_B/CB
SW2_R/CR
POP_VIDEO_C
SW2_G/Y
POP_VIDEO_Y
POP_CVBS
TO AV SWITCH1
3D_Y/C_HD-OUT
POP_Y
4
FROM/TO MICON
SCL1
SDA1
3D_Y/C-RESET
SW_POP2
SW_POP1
3
C4375
3.2
BAIAS
C4374
1 B
1 B
5.5
2
C4373
3.3
C4371
1 B
1 B
5.0
NJM2534V
PCBDS0
CEE130
1
H
H-30