Sony IFB-LE100, Service Manual

Page: 222 / 258

9-52
VPD-LE100A/LE100E/LE100U
9-52
2
3
4
5
A B C D E F G H
1
MAX211ECAI-TE2 (IC1)
V
DD
+5V TO +10V
VOLTAGE DOUBLER
V+ C1+
C1–
V–
C2+
C2–
+10V TO –10V
VOLTAGE INVERTER
+5V
T1
400k
T1
IN
T1
OUT
+5V
T2
400k
T2
IN T2
OUT
+5V
T3
400k
T3
IN
T3
OUT
+5V
T4
400k
T4
IN T4
OUT
R1 R1
OUT
R1
IN
5k
R2 R2
OUT
R2
IN
5k
R3 R3
OUT
R3
IN
5k
R4 R4
OUT
R4
IN
5k
R5 R5
OUT
R5
IN
5k
EN SHDN
GND
12
14
15
16
7
6
20
21
8
5
26
22
19
24
10
25
18
23
27
4
9
28
1
3
2
17
13
11
MAX3085CSA-TG068 (IC4, 5)
1
2
3
4 5
6
7
8
R
D GND
v
cc
A
B
RO
RE
DE
DI
MAX489ECSD-TE2 (IC3)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
RO
RE
DE
DI
GND
GND
VCC
NC
A
B
Z
Y
NC
TC74VHC02F(EL) (IC9)
14 13 12 11 10 9 8
1 2 3 4 5 6 7
VDD A4 B4 Y4 A3 B3 Y3
GND Y2 B2 A2 Y1 B1 A1
TC7W74F(TE12R) (IC8)
6
CLR
7
PR
8
VCC
5
Q
R S Q
3
Q
2
D
4
GND
1
CK
Q D C
QC QC