Toshiba 26HF15 Service Manual page 49

A B
8
TO SCALER
ADC_CLK
ADC_H-SYNC
ADC_V-SYNC
7
ADC_Y0
ADC_Y1
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
6
ADC_U[CB]7
ADC_V[CR]0
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
5
ADC_Y3
ADC_Y2
ADC_Y1
ADC_Y0
ADC_U[CB]7
ADC_U[CB]6
ADC_U[CB]5
4
ADC_U[CB]4
ADC_U[CB]3
ADC_U[CB]2
ADC_U[CB]1
ADC_U[CB]0
3
FROM IN/OUT/REGULATOR
P.CON+3.3V
2
GND
1
A B
G-27
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:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
NC
NC
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
C2128
0.5
RAIN
0.047 B
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
C2124
0.5
GAIN
C2147
0.047 B
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: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.
E
F G
R2109
150
R2110
R2119
150
470
NL2520
L2104
W802 W827
5.6uH
JG2104
R2120
R2117
100
470
NL2520
L2105 C2148
W801 W825
5.6uH 220P CH
R2118
470
NL2520
L2106
W803 W826
5.6uH
JG2105
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
PCBDS0
CED020
1
H
G-28