FUNAI DBVR-7730D, Руководство по обслуживанию

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Audio Block Diagram
E8B05BLA
REC AMP
AU
T
O
BIAS
+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
EQ AMP
9
8
7
LINE AMP
REC-ON
A
UDIO HD-SW
CONTR
O
L
MUTE
PB-ON
SP/LP-ON
P
TUNER
IN2
IN1
R
ALC DET ALC
IC301 (A
UDIO SIGNAL PR
OCESS)
CN504
A
UDIO
HEAD A
UDIO
ERASE HEAD
A
CE HEAD ASSEMBL
Y
FE HEAD
CN501
MAIN CB
A
A
UDIO-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)
16
INV
AT
T
3
A
UDIO-PB/REC
4
A-COM
6
AE-H
5
AE-H/FE-H
1
FE-H-GND
2
FE-H
1 2
3
71
11
17
15
13
12
100
5 6
PB-AUDIO SIGNAL
REC-AUDIO SIGNAL
Mode : SP/REC