1-11-6
Audio Block Diagram
E9G00BLA
REC
AMP
100
3
AU
T
O
BIAS
2
1
+5V
+5V
Q404
Q406
BIAS
OSC
Q403
N-A-PB
T
O
Hi-Fi A
UDIO
BLOCK DIGRAM
N-A-REC
Q401
(PB=ON)
Q405
SWITCHING
D-REC-OFF
5
EQ
AMP
9
8
7
LINE
AMP
REC-ON
A
U
DIO HD-SW
CONTR
O
L
MUTE
11
6
PB-ON
SP/LP-ON
P
TUNER
IN2
IN1
R
ALC
DET
ALC
IC301
(A
UDIO SIGNAL PR
OCESS/HEAD AMP)
15
13
17
4
A
UDIO-PB/REC
CN504
3
A-COM
1
AE-H
2
AE-H/FE-H
AU
D
IO
HEAD
AU
D
IO
ERASE
HEAD
A
CE HEAD ASSEMBL
Y
FE HEAD
2
FE-H
1
FE-H-GND
CN501
PB-AUDIO SIGNAL
REC-AUDIO SIGNAL
Mode : SP/REC
71
A
U
DIO-MUTE-H
IIC-B
US SCL
IIC-B
US SD
A
T
O
SER
V
O/SYSTEM
CONTR
OL BLOCK
DIA
GRAM
FULL
ERASE
HEAD
68
69
SERIAL
DECODER
(DECK ASSEMBLY)
12
16
INV
AT
T
MAIN CB
A
Summary of Contents for W4A-A4180DB
Page 17: ...1 6 5 E9G02DC Fig D10 20 Deck Pedestal 21 Front Bracket R S 19 S 19 S 19 S 19 S 20...
Page 39: ...1 12 6 E9G00SCM4 Main 4 9 Schematic Diagram VCR Section...
Page 40: ...1 12 7 E9G00SCM5 Main 5 9 Schematic Diagram VCR Section...
Page 41: ...1 12 8 E9G00SCM6 Main 6 9 Front Jack Schematic Diagram VCR Section...
Page 42: ...1 12 9 E9G00SCM7 Main 7 9 Schematic Diagram VCR Section...
Page 43: ...1 12 10 E9G00SCM8 Main 8 9 Schematic Diagram VCR Section...
Page 44: ...1 12 11 E9G00SCM9 Main 9 9 Schematic Diagram VCR Section...
Page 46: ...1 12 13 E9G00SCRJ Rear Jack Schematic Diagram VCR Section...
Page 85: ...W4A A4180DB W4A D4180DB W4D D4180DB E9G00 03 04ED 2007 06 18...