Hitachi VME-573LA - Camcorder, Service Manual

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6 - 14 6 - 13
AUDIO -MONAURAL- AUDIO -MONAURAL-
AUDIO -MONAURAL- [VCA] SCHEMATIC DIAGRAM
A
B
C
3 2 1
D
E
4 6 5 7
8
0
(1.5)
0
(1.5)
0.4
(1.5)
0.3
(0) 0
(1.5)
1.8 0 0 1.5 1.5 2.2 1.6 1.5 1.5 1.6 0
1.8(2.6)
1.6(2.1)
3.1
1.5
(2.6)
0.9(0)
0
0 1.5 1.5 0
1.8
2.3
0.6(0.2)
5.0
0.1
(3.0)
2.7
(0)
5.0
2.2
3.1
1.8
1.8
0(2.2)
0.4(1.5)
0(1.5)
0(1.5)
0.4(1.5)
0 0 0
2.4
(0) 4.9
(0) 2.4
(0) 2.1
(0) 2.1
(0.4)
2.4
(0.6)
1.5
(1.8)
0.1
(3.1)
1.5
(1.1)
1.5
1.5
1.5
1.9(0)
2.2(0)
2.4(0)
0
3.0
0.2-3.0
(0)
0.3Vp-p 0.7V
0.2Vp-p
3.0V
0
0
0
0
0
0
0
0.1
(3)
2.7
3.1
0.1
(3.1)
3(0)
0
3(0)
0(5)
5.0
4.3
(5.0)
5.0
(0.6)
4.0 5.0
4.6
4.0
1.4
2.0
0
0
0
4.8 0
0
0 0
0
(4.9)
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
*
1.5M
BPF
DO &
MUTE
PNR
COP
VCO
LPF
MIC
VCO
-33
DBS
FADE
LPF
REC
REC
REC
REC
REC
PB
PB
PB
PB
PB
LP
SP
C
H.P
1.5M
BPF
AF
LIM
S/H
LP
EMPH
MUTE
VREF
H.P/SP
SW
MUTE
EVR
-20
DBS
POWER
MUTE
φ
COMP
φ
COMP
ALC
MIC
INT
MIC
EXT
MIC
LINE
-43
DBS
MONAURAL
AUDIO PROCESS
R0498M
0
R0497R
0
C0489R
0.47u
[TYPE 675]
To
MIC UNIT
CODE PART NAME
AR 2SA1774RS
BR 2SC4617
HQ 2SA1577Q
54 DTA114YE
64 DTC114YE
AUDIO-MONAURAL- [VCA]
5S
6S
7S
8S
9S
10S
11S
9Q
10Q
2P
1P
3P
1S
2S
11Q
12Q
1R
1Q
2Q
3Q
4Q
5Q
3S
4S
6Q
7Q
8Q
To
SYSTEM
CONTROL
9Q,10Q
To
SYSTEM
CONTROL
11Q,12Q
To
SYSTEM
CONTROL
1Q-5Q
To
SYSTEM
CONTROL
6Q-8Q
To
REGULATOR
1P-3P
To
VIDEO
PROCESS
1S,2S
To
VIDEO
PROCESS
3S-11S
To
CAMERA
PROCESS
1R
4.7K
[TYPE 675]
0.047
µ