Toshiba 42HP66 Service Manual page 62

A B
8
SW2_G/Y
SW2_G/Y_1
W1016
7
SW_G/SW_Y
SW2_B/CB
SW2_B/CB_1
W1017
SW_B/SW_CB
SW2_R/CR_1
W1018
6
SW2_R/CR
SW_R/SW_CR
5
FROM/TO JACK
VGA-G
VGA-R
VGA-B
FROM/TO MICON
C_SYNC
SD_SW1
YUV_SW
4
FROM/TO SCALER
HD/SCART_Y
SW_VIDEO_Y
SW_R/SW_CR
SW_G/SW_Y
SW_B/SW_CB
SW2_R/CR
SW2_G/Y
SW2_B/CB
SW_CVBS
3
NC
FROM/TO ADC1
SW_Y/G
SW_PB/B
SW_PR/R
FROM/TO REGURATER
GND
P.CON+9V
P.CON+5V
2
1
A B
H-31
C D
AV SWITCH1 SCHEMATIC DIAGRAM
(SCALER PCB)
R8105
270
R8122
270
R8124
270
R8145
100
SCART2 OUT CVBS SW
IC8103 MM1501XNRE
C8112
VCC
C8109
5.1 H
1 B
1 B
0
BUFFER
C8113
L
C8110
5.1
1 B
1 B
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 F
5.0
BUFFER
R8148
Q8106
0.7 KTA1504S_Y_RTK
100
0
5.0
BUFFER
Q8105
0.7 KTA1504S_Y_RTK
0
C8121
1.7
IN3A IN3B
16V 10
V-S-NP
0
NC GND3
NC
W843
1.0
OUT3 IN2A
W944
1.8
OUT2 CTL
0
GND2 V+
W900
2.0
OUT1 IN2B
0
NC GND1
NC
C8120
2.4
IN1A
IN1B
16V 10
V-S-NP
SW IC8104 NJM2584AM(TE1)
8.9
SYSNC_SEPA
Q8101
5.1
KTA1504S_Y_RTK
C8128 R8116
4.4
KTC3875S_Y_RTK
5.5
1 B 1K
1.5
R8125 C8146
R8113
0
12K B 1
100K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E F
G H
SW_Y/G
SW_PB/B
SW_PR/R
NLCV32T
L8105
P.CON+5V
22uH
W963
SW2_B/CB_1
C8122 W964
2.0 SW2_G/Y_1
16V 10
V-S-NP
0
W972
SW2_R/CR_1
C8123
2.4
16V 10
V-S-NP
3.1 YUV_SW
L8104
4.8
P.CON+5V
47uH
NLCV32T
C8124
2.5
16V 10
V-S-NP
0
VGA-R
C8125
2.5 VGA-B
16V 10
V-S-NP
VGA-G
P.CON+5V
SYSNC_SEPA
Q8103
1.0
C_SYNC
KTC3875S_Y_RTK
R8129 R8130
0.7
3.3K 4.7K
0
SYSNC_SEPA
Q8102
3.1
0.3
0
PCBDS0
CEF156
G H
8
7
6
5
4
3
2
1
H-32