Power Block Diagram - Hitachi VK-S454R Service Manual

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1
2

4-2 Power Block Diagram

G
PG1601
CP1601
F1601
B+
4
D1601
GND
5
F
IC1501
PWM
44
5V
PWM
43
E
3V
35
PWM
36
D
2
2V
PWM
C
1
41
PWM
42
B
18
STBY4
20
STBY2
21
STBY1
12
VCC
A
1
2
3
IC1502
VM(7.2V)
1,2
3
7.2V
REG
L1501
Q1501
L1503
5V
E
C
5V
SW
L1601
B
C
C
Q1610
L1602
16
E
Q1601
Q1502
L1504
E
C
3V
SW
B
1,5
1
D1502
2
Q1503
L1505
E
C
2V
SW
B
Q1504
T1501
D1501
L1506
4
E
C
3
CAM
SW
2
B
D1503
L1507
5
1
3
4
5
PG1501
PG1002
PG1001
VM(7.2V)
12,14
12,14
26,28
5V
19
19
30
IC1601
13,16
3.6V
Y/C MIX &
Q1020
GEN.
VIDEO AMP
IC1003
IC1602
Q1607
20
BUF
1,4,14
LEVEL
IC1603
SHIFTER
VCO/
L1002
18
PHASE
COMP
3V
3V
18
18
21
IC1604
FV
L1001
PULSE
GEN.
2V
2V
16
16
19
IC1002
6,8
15V
7
7
16,20
SENSOR
DRIVE
2
IC1001
-6.5V
10
10
5
IMAGE
8
SENSOR
A
D1001
CSR
SP
4
5
- 11 -
6
7
PG1241
VM(7.2V)
L1301
26,28
30
IC1351
L1202
F.DET/
14
C
E
IRIS
Q1103
DRIVE
C
Q1352
R1171
18
3V
21
L1201
IC1202
IC1173
8
6,8
ADJ
CLOCK
EEPROM
GEN.
IC1171
IC1250
5
8
RESET
INV.
EEPROM
L1101
3V
19
C
Q1353
L1104
3V
IC1251
2
RESET
PULSE
GEN.
IC1150
L1102
D-RAM
1,3,15,
29,35,41,
43,49,55,
75,81
3V
PC
6
7
8
IC1380
10,15
IR
MOTOR
2,4,24
DRIVE
G
IC1301
10,15
ZOOM
MOTOR
2,4,24
DRIVE
IC1302
10,15
F
FOCUS
MOTOR
2,4,24
DRIVE
L1302
IC1121
2,40,62,83,
128,149,
2V
164,204
CAMERA
4,17,38,92,
DSP
E
111,119,131,
143,160
D1101
66,71,75,80
D
IC1201
12,53-56,
CAMERA
60-62
µP
IC1101
C
15,46
CDS/AGC
23,31,36,
& A/D
38,41
CONV
PG1301
1
VCC
B
13
VCC
A
8

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