Hitachi DZ-MV550A - Camcorder, Service Manual

Page: 163 / 169

C-10
C-16 DRV-R C-17 MOD
2.5 4.8 4.8
4.8
4.8
4.8 4.7
4.7 4.8
4.8
4.8
4.8 4.8
4.8
4.8
3.3
3.3
3.3
3.3 2.5
4.6
4.6
2.5
3.4
2.1
2.1
4.7
2.5
3.3
4.8
4.8
4.7
2.2
4.8
4.8
2.1
4.8
3.3
4.7
4.7
4.6
4.6
4.7
4.7
3.3
4.7 4.7 4.7
4.7
3.4
3.4
3.4
3.3
3.3
4.7
4.8
4.8
4.8
4.7
3.3
4.7
4.7
4.7
4.7
DRV-R -SIDE A-
81
85
89
11
12
20
42
46
41
43
47
27
57
1 25 30
70
35
36 40
60
8 11
Note: Voltage values are in reading status.
Supplement: Since the DVD disc drive is intermittently operated,
set to the reading status in which laser light is emitted from the pickup.
Note: Voltage values are in reading status.
Supplement: Since the DVD disc drive is intermittently operated,
set to the reading status in which laser light is emitted from the pickup.
DRV-R -SIDE B-
[PATTERN No.JA2238-3]
MOD -SIDE A- MOD -SIDE B-
[PATTERN No.JA2238-3]
Information of MAN-H/MAN,DRV-R,
MOD and HDM Circuit Boards
During servicing, replace the entire MAN-H/
MAN circuit board, and the entire disc drive
unit, including the DRV-R, MOD and HDM
circuit boards.
Because of this servicing method, this
service manual includes only the simplified
circuit board diagrams, and does not include
any schematic circuit diagrams.
The simplified circuit board diagrams show
the major voltage values: Refer to them
during troubleshooting.