1-12-7
A
udio Bloc
k Dia
gram
E9NG0BLA
REC
AMP
100
3
AU
T
O
BIAS
2
1
P-ON+5V
P-ON+5V
Q404
Q406
BIAS
OSC
Q403
N-A-PB
T
O
Hi-Fi A
UDIO
BLOCK DIGRAM
N-A-REC
Q401
Q405
SWITCHING
D-REC-OFF
5
EQ
AMP
9
8
7
LINE
AMP
REC-ON
A
UDIO HD-SW
CONTR
OL
MUTE
11
6
PB-ON
SP/LP-ON
P
R
ALC
DET
ALC
IC301
(A
UDIO SIGNAL PR
OCESS)
13
4
A
UDIO-PB/REC
CN504
3
A-COM
1
AE-H
2
FE-H
A
UDIO
HEAD
A
UDIO
ERASE
HEAD
A
CE HEAD ASSEMBL
Y
FE HEAD
2
FE-H
1
FE-H-GND
CN501
BO
ARD A
V
PB AUDIO SIGNAL
REC AUDIO SIGNAL
71
VCR-A
UDIO-MUTE
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
SWITCHING
PB-ON
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.