1-9-4
Audio Block Diagram ( C )
H9778BLA
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
U
DIO
BLOCK DIGRAM
N-A-REC
Q401
(PB=ON)
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
TUNER
IN2
IN1
R
ALC
DET
ALC
IC301
(A
UDIO SIGNAL PR
OCESS)
15
13
17
4
A-PB/REC
CN504
3
A-COM
1
AE-H
2
AE-H/FE-H
AU
D
IO
HEAD
AU
D
IO
ERASE
HEAD
A
C
HEAD ASSEMBL
Y
FE HEAD
2
FE-H
1
FE-H-GND
CN501
MAIN CB
A
PB-AUDIO SIGNAL
R
EC-AUDIO SIGNAL
Mode : SP/REC
71
A-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
Comparison Char
t of
Models & Marks
Model
Mark
DPVR-5505
DPVR-5505V
A
B
DPVR-5805
C