Sony DXF-20W Service Manual page 27

Section 5
Schematic Diagrams
CN101
19R-JE-LF
+9.5V Q101
C3661
FBP TRG
1
+9.5V
9.5V
2
R101 R102
GND
3 10k 22k
+5V
5V
4
NC
5
GND
6 IC101A
LA7858-E
NC
7
VIDEO
8
NC
1
9 PHASE SHIFTER
GND 15
10
C SYNC
11
SYM
12 R103
2.2k
NC
13
C101
HD C102 C103
14 10u R104
100p 2400p
20V 12k
NC 50V 50V
15 OS
CH CH
V BLK
16
NC
17
+V DEF
18
-V DEF
19
RV101
5KB
Q102A
IMT1A
RV3:H-SHIFT(N)
IC103
TA48L05F
+9.5V +5V
1 3
Vin +5V
C125
100p
50V
CH
C124
82u
6.3V
OS
DXF-20W
A B
R113
R106 R107 NM
100k 8.2k
R111
20K
R109
IC101B
15k
LA7858-E
D
C107
1u
14 X'ray
50V
PROTECTOR
B
12
9
R108 R110
SAW TOOTH 8 10
AFC H-OSC V-RAMP
GENERATOR
33k 1k
NC
R105 C111 C112
33K R112 R114 0.1u 10u
C104 C105 C106 C108 C109 C110 18k 5.6k 25V 25V
560p 6800p 1u 0.01u 3300p 2200p B B
50V 50V 35V 50V 50V 50V
CH CH AL ECHU ECHU CH
RV102
2 2
5KB
Q102B
6 IMT1A 3
R123
R122
5 2
1K
1K
1
1608 4
1608
RV4:H-SHIFT(P)
R148
1M
C126 R149
R146 R158 R147
2200p 10k
200k * 10k
50V
D D
CH
C127
IC104 1u
BA7046F 16V
1 8 B
H OSC Phase
2 7
HD VCC
* 430k
R151
3 6
or 390k SYNC VIDEO
C130
330
or 470k
4 5 0.1u
VD GND C128
or 510k
25V
1u
50V B
B
R150 C129
SYNC SEP. SYNC SEP.
470k 1000p
50V
B
C
DF-70 DF-70
Q103 DTA124EUA
R119
10K
R118
Q104
NM
DTC114TUA
R120
160k
R116
100k
R115
D
12
C116
0.47u
R117
25V
220k
B
D
20
V-OSC
18
C115
2.2u
20V
TAA
C113 C114
100u 0.1u
16V 50V
R121
AL B
1.2k
V-BLK V-BLK
+5V +5V
IC107B
R154 R155 TC74HC4538AFT
R152
5.1k 5.6k
100k
14 10
RC Q
IC106 C131
560p
TC7S02FU
3 5 50V 15
C
4 1 CH
1 4 12 9
A Q
IC105 2 11
B
TA75S393F
3 13
CLR
IC108
TC7S32FU
C137
0.1u
R153
25V
5.1k
B
5-1 5-1
D E
V-DRIVE V-DRIVE
R125
4.7
C118
R126
100u
4.7k
16V
AL
R127 Q106A
3.3k XN4601
5
C119
10u
20V
OS
R128
4.7
D101
IMN10 C120
R130 5600p
R129
330
0 50V
C117 R140
B
100p
50V 51k
CH
2 Q106B C121
XN4601 470u
16V R136 R138
AL 18k 8.2k
R124
Q105 R141
C4081
220
15k
RV104:V-SIZE(P)
Q108
C4081
R131 R133 R134
0 4.7 0 R137
4.7k
RV105 R139
5kB 2.2k
2
2 2
RV103 RV104
500B 500B
Q107
K1374
R132 R135
200 100
RV105:V-LIN
RV103:V-SIZE(N)
+9.5V
IC109A
LM5110-1MX
R156 IC107A
300K R157
TC74HC4538AFT 8
220
D
2 6 2 7
RC Q
C132
3300p
1
25V 1 C134 C135
C
1 CH 22p 0.1u
4 4 7 25V
50V
A Q
5 B
CH
B
2
3
CLR
C138 V•BLK C133 C•BLK1(9.5V SWING)
0.1u 0.1u
25V 25V
B B
4 5
IC109B
LM5110-1MX
F G
1
R142
10k
2
R143
18k
D
+5V
R144 IC102
62K TC7S66FU
1 5
IN/OUT VCC
2
OUT/IN
R145 3 4
GND CONT
20K
C136
C123
0.1u
C122
0.033u
25V
0.01u
50V
B
50V
B
B
3
4
DF-70
BOARD NO. 1-868-570-11
5
H