Toshiba 42WP66R Service Manual page 24

A B
8
SW2_G/Y
DVD_Y_OUT
W852
DVD_Y/SW_Y
7
SW2_B/CB
W851
DVD_U/SW_PB
SW2_R/CR
6
DVD_C[V]_OUT
DVD_C[V]/SW_PR
BLM18BB600SN1
B8102
BLM18BB600SN1
5
FROM JACK
VGA-G
VGA-R
VGA-B
VGAHS
VGAVS
4
FROM/TO MICOM
C_SYNC
C_SYNC_POP
SD_SW1
SCL1
SDA1
SYNC_HD
FROM/TO SCALER
DVD_Y_OUT
DVD_C[V]_OUT
3
DVD_C[V]/SW_PR
DVD_Y/SW_Y
DVD_U/SW_PB
SW2_R/CR
SW2_G/Y
SW2_B/CB
SW_CVBS
SW_VIDEO_Y
HD/SCART_Y
FROM DIGITAL COMB
3D_Y/C_HD-OUT
POP_Y
TO ADC
2
SYNC_HD
SYNC_VD
SW_Y/G
SW_PB/B
SW_PR/R
FROM REGURATER
GND
P.CON+9V
P.CON+5V
1
A B
H-25
C
AV SWITCH1 SCHEMATIC DIAGRAM
W865
W867
W868
B8106 W853
BLM18BB600SN1
B8101
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)
BUFFER
Q8106
KTA1504S_Y_RTK
5.0
BUFFER
W908
Q8105
KTA1504S_Y_RTK 0.7
0
C8126
R8117
1.5K 1 B
38 37 36 35 34 33 32
C8125
2.8
1 B
C8119
1.8
50V 1 V-S
C8122
3.6
Cb3/B3-IN
39 Y3/G3-IN
1 B
0 40 BIAS FIL
DAC2
NC
C8121
3.8
Cr3/R3-IN
1 B
0
C GND
C8169
0
C-IN
47 Y-IN
1 B
0
48 SW LINE1
C Vcc
C8170
0
1 B
0
1 2 3 4 5 6 7
AV SW
3.0
0 2.6 0 2.4 0 0
/SYNC COUNT IC
IC8102
TB1308FG
SYSNC_SEPA
Q8133
R8151
KTA1504S_Y_RTK
C8171
5.1
3.3K
R8161 1 B R8162
SYSNC_SEPA
Q8131
1K 5.5
100K
1.5 KTC3875S_Y_RTK
3.1
R8152 C8162
0.3
12K 1 B
0
SCART2 OUT CVBS SW IC
IC8103 MM1501XNRE
C8112
8.9
VCC
C8109
1 B 5.1 H
R8113 R8116
1 B
4.4
0
100K 1K
BUFFER
C8113
C8128
0
L
C8110
1 B 5.1
1 B
1 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
5.0
W910
0.7
0
R8118
100
NC
0 0 0
31 30 29 28 27 26 25
R8108
2.6
3.3K
2.4 R8100
W947
2.2K
3.4
DIG Vcc
24 HD1-IN
4.2 X8101
23 VD1-IN
XTAL
100CT3R536
0
3.579545MHz
DIG GND
3.3
SCL
3.3
SDA
16 SYNC2-IN
0
15 LINE1-2
DAC1 NC
2.4
C8117 R8107
1 B 1.5K
0
8 9 10 11 12 13 14
NC
2.4 0 3.0 0 2.0 0 2.4
VGA-G
VGA-B
VGA-R
P.CON+5V
C_SYNC_POP
1.0
R8137
0.7
4.7K
0
SYSNC_SEPA
Q8132
KTC3875S_Y_RTK
SYSNC_SEPA
Q8103
KTC3875S_Y_RTK C_SYNC
1.0
R8129 R8130
5.1
SYSNC_SEPA 0.7
3.3K 4.7K
Q8101
0
SYSNC_SEPA
KTA1504S_Y_RTK
Q8102
5.5
KTC3875S_Y_RTK
1.5
R8125 3.1
C8146 0.3
12K 1 B
0
F G
H
8
SW_PB/B
SW_PR/R
NLCV32T
L8105
22uH
7
SW_Y/G
NLCV32T
L8103
P.CON+5V
47uH
SYNC_HD
6
R8121
SYNC_VD
100
R8135
470
R8124
C8172
470
2.2 B C8175
W955
VGAHS
R8141 470
1 B
C8173
VGAVS
2.2 B
C8143
1 B
C8136
C8141
10P CH 5
6.3V
47 V-S
R8142
SCL1
100
R8126
SDA1
100
4
3
2
PCBDS0
CEE130
1
H
H-26