System Control - Hitachi VM-H675LA Service Manual

SYSTEM CONTROL [VCA] SCHEMATIC DIAGRAM
To CHARGE 1C-11C
E
D
C
6.4
B
To
CONTROL [CON]
PG0731
A
To
BACK UP
LITHIUM
1
2
To
POWER SW [PSW]
To REGULATOR 1H-3H,5H-16H
PG0701
BACK-UP DET
0 3.2
3.2
0
0 7.1
0
2
6.9 3.1 3.2 0 (3.2)
3.1 0
0
6.5 0
3.2
0
To VIDEO PROCESS 1E-48E
3

SYSTEM CONTROL

To
CODE
T/W,REC,EJECT
To AUDIO 1Q-10Q
UNIT
BR
* BR
FR
54
64
C
M10
3.1
0
0 3.1 0 0 0 0 0 3.1 0 - 0 3.0
0 -
0 (3)
(3)
0
0-3.1
3.1
0-3.0
0-3.0
3
0 0-3.1
0
3.0
3.0
3.0
0
0
0
3.0(0)
CXP87360-133R
0(3.0)
SYSTEM CONTROL (S-uP)
3.0
0
0
3.0
3.0
-
3.0 2
0.7-1.9
0
0
0-2.9
-
0
0
3.0(0) 0 0 2
3.0 3.0 3.0 0 3.0 0 0 3.0 1.7 - 0
3.2
3.2
0-3.2
To CAMERA PROCESS 1D-23D
4 5
6 - 7 6 - 8
SYSTEM CONTROL
PART NAME
2SC4617
2SC2412K-BRT
2SA1774RS
DTA114YE
NOTE:ONE VOLTAGE:PB OR REC MODE
DTC114YE
TWO VOLTAGES:PB AND (REC) MODE
1SS353SP : WAVEFORMS No.
MA726
1.6
1.6
3.1
3.1
3.2
0
1.6
-
0
0
CHARA.GEN
3.1
0
0-3.1 0-3.2
0-2.6
0-3.2
0-3.2
0
0
0
0-3.2
0-3.2
0
0(3)
3.2
TL0909
0
1
0-2.9
0-2.9
0.7-1.2
0
0
1.5
3.2
3.1
3.1
3.1
3.2
3.2
0
*
7.2
1.4
1.1
SYSTEM CONTROL
[VCA]
SERVICE
ADJUST
To To
TERMINAL
AUDIO REGULATOR
11Q,12Q 4H
6 7
4
5
1.6
1.6
0
0
1.6
1.6
0
0
1.6
1.6
1L
2L
3L
4L
5L
6L
To
7L
SERVO
8L
1L-14L
9L
10L
11L
12L
13L
14L
To
MECHA.
STATE SW
To
MECHA.
SENSOR
PG0001
8