Power Block Diagram - Hitachi VM-H675LA Service Manual

6. POWER BLOCK DIAGRAM

POWER
TERMINAL
UNIT PG0001
1,3,5
DC
IN
8
14,16,18
BATTERY
TERMINAL
13,15,17
6
SERIAL
12
BATT.
DET
PG906
1
3V
LITHIUM
BATTERY
Q0001
CHG SW
7,8
1
5,6
3
IC0001
CHG CURRENT
CONT.
2
3
5
6
PG552
1
DC
LIGHT
1
2
F552
L551
F551
F553
IC902
BACK-UP
D905
DET.
(1/2)
D0001
(1/2)
8
7
S3V
SW
S3V 5
REG
6
3
Q0002
INIT-CHG
SW
Q0003
INV.
D0001
(1/2)
D905
(1/2)
D0002
Q910
SW
2
Q0004
4
CHG
SW
IC1104
DIGITAL
µP
1
94
D. L. ON
8
+B
7
Q570,
Q571
LIGHT
SW
[TYPE 675,575] BACK LIGHT
UNIT
LCD
MODULE
VCA
3
L563
IC551
51
PWM
AV ref
RESET 28
38
SYSTEM
PULSE Vcc
RESET
5V
GEN.
PWM
43
Q901
Vcc1,3
Q902 87
Vdd
51
Vcc2,4
3V
PWM
81 63
BATT.
Vcc5,6
SERIAL
29
28
2V
VCR ON STBY3
9 PWM
EXT. BATT
30
STBY
22
INIT. CHG
+B(CYL)
PWM
7
ADP. DET
71
CHARGE
+B(CAPST)
PWM
54
+B VDET
48
CHARGE C
+B(CAM)
46 PWM
OVER-C
21
CHARG CONT
23
CHG LED
DATA,
CLOCK,
CS
5V
IC901
SYSTEM
CONTROL µP
9
LCD ON
10
EVF ON
5V-AF
+B[LCD]
PG5501 PG733
Q5510,Q5511
T5501
7 BACK 1,2
INV.
LIGHT
TRANC
CONT. +B[LCD]
7
5V
Q5501,Q5502
5V LCD
14
5V
5V
PG5503
SW
-15.3V
1 13
13.4V
22
24
EVF 5V
EVF
LCD
UNIT
4 5
6 - 51 6 - 52
POWER POWER
+B
S3V
Q553
5V
SW
46
Q551
D552
5V
3V
SW
Q576
D556
3V
57 SHORT
PROTECT
IC201
Q559
2V VIDEO
DSP
SW
50
Q572
IC631 D350
Q561
LCD
CYL. SW
+B(CYL)
MOTOR
SW
DRIVE
64
Q573
IC651
Q562
LCD
CAPST.
SW
+B(CAPST)
MOTOR
SW
DRIVE
4 Q574
15V
Q557
LCD
T551
SW
+B(CAM)
SW
-7V
56
D553
Q575
D554
SHORT
PROTECT
D555
Q577
D557
SHORT
PROTECT
LCD ON
5V-AF IC1301
IC553
ZOOM MOTOR/
5V
FOCUS MOTOR
REG
DRIVE
Q552,Q563
LCD5V
SW
Q555,
Q556
EVF5V
SW
PG731 PG951
CON
7,9,11 7,9,11
18-20 18-20
37 37
35 35
39,41 39,41
LED751
Q732
PG753
CHARGE
4 CHG 36 36
LED
DRIVE
63 63
6
E
SE
PG201 PG1001
7 7
5V
6 6
3V
8 8
15V
10 10
-7V
D
13.4V IC350
RGB
AMP
6V
-1V
C
Q578
LCD
SW
-15.3V
B
+B[LCD]
LCD 5V
-15.3V
13.4V
A
EVF 5V
5V-AF
CHG LED
7 8