Toshiba MW26G71 Service Manual page 103

A B
8
FROM/TO SCALER
ADC_CLK
ADC_H-SYNC
ADC_V-SYNC
ADC_Y0
ADC_Y1
7
ADC_Y2
ADC_Y3
ADC_Y4
ADC_Y5
ADC_Y6
ADC_Y7
ADC_U[CB]0
ADC_U[CB]1
ADC_U[CB]2
ADC_U[CB]3
ADC_U[CB]4
ADC_U[CB]5
ADC_U[CB]6
ADC_U[CB]7
ADC_V[CR]0
6
ADC_V[CR]1
ADC_V[CR]2
ADC_V[CR]3
ADC_V[CR]4
ADC_V[CR]5
ADC_Y7
ADC_V[CR]6
ADC_Y6
ADC_V[CR]7
ADC_Y5
ADC_Y4
ADC_Y3
5 ADC_Y2
ADC_Y1
ADC_Y0
ADC_U[CB]7
ADC_U[CB]6
ADC_U[CB]5
ADC_U[CB]4
4
ADC_U[CB]3
ADC_U[CB]2
ADC_U[CB]1
ADC_U[CB]0
3
FROM/TO IN/OUT/REGULATOR
P.CON+3.3V
2
GND
1
A B
G-33
C D
ANALOG/DIGITAL CONVERTER SCHEMATIC DIAGRAM
(SCALER PCB)
0 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
80 79 78 77 76 75 74 73 72 71 70
0
GND
3.3
NR2101 GREEN7
4D03WGJ0220T5E
3.3
GREEN6
80 GND
3.3
GREEN5
3.3
GREEN4
3.3
NR2102 GREEN3
4D03WGJ0220T5E
3.3
GREEN2
3.3
GREEN1
3.3
AD CONVERTER
GREEN0
IC2101
0
MST9883C-LF-110
GND
C2101
3.3
VDD
0.1 B
3.3
NR2103 BLUE7
4D03WGJ0220T5E
3.3
BLUE6
3.3
BLUE5
3.3
BLUE4
3.3
NR2104 BLUE3
4D03WGJ0220T5E
3.3
21 GND
BLUE2
3.3
BLUE1
3.3
BLUE0
0
GND
21 22 23 24 25 26 27 28 29 30 31
0 3.3 3.3 0 0 3.3 3.3 0 3.3 3.8 3.8
L2101
DIGITAL
47uH NLC3225
B2102
ANALOG
HCB2012K-600T25
L2103
PLL
47uH
NLC3225
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
NC
3.3 0 3.0 3.1 3.1 0 3.3 0
69 68 67 66 65 64 63 62 61
0
GND
C2131
3.3
AVDD
0.1 B
C2130
1.3
REF BYPASS
0.1 B
61 GND
3.9
SDA
3.9
SCL
0
A0
0.5
RAIN
D2101
0
GND
UDZS5.6B
C2127
3.3
AVDD
0.1 B
C2126
3.3
C2125
AVDD
0.1 B
0 150P CH
GND
JG2103
C2123
0.9
SOGIN
0.001 B
0.5
GAIN
C2147
D2102
0
150P CH
GND
UDZS5.6B
C2122
3.3
AVDD
0.1 B
C2121
3.3
AVDD
0.1 B
0
41 GND
GND
C2119
0.5
BAIN
0.047 B
D2103
C2118
3.3
AVDD
0.1 B
UDZS5.6B
0
32 33 34 35 36 37 38 39 40
0 0 1.3 3.3 0 0.4 0 3.3 0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
R2109
150
R2110
R2119
150
470
NL2520
C2128 L2104
W802 W827
0.047 B 5.6uH
JG2104
R2120
R2117
100
470
NL2520
L2105 C2148
W801 W825
5.6uH 220P CH
C2124
0.047 B
NL2520
L2106 R2118
W803 W826
5.6uH 470
JG2105
PCBDS0
CED020
F G
H
8
7
6
FROM/TO IN/OUT/REGULATOR
SDA
SCL
V[CR]_IN
Y_IN
U[CB]_IN
VSYNC
HSYNC
5
4
3
2
1
H
G-34