13
AX-397
DPX-1200
AX-397
■
BLOCK DIAGRAM
10dB
PHONO
CD/DVD
SP A
SP B
PHONES
TUNER
AU
X
T
APE
IN
T
APE
OUT
MD
IN
MD
OUT
CD/DVD DIRECT AMP
INPUT
SELECTOR
PHONO EQ AMP
CD/DVD DIRECT AMP
M
OTO
R
DRIVER
ON
ON
OFF
OFF
31.8dB
M
Main VR
10dB
R
YPS
LOUDNESS
BALANCE
T
ONE CONTR
OL
TAPE MONITOR
MAIN
MUTE
CD-D
MUTE
A
B
POWER AMP
R
YSP
LB
15
–
15
B
–
B
LB
12S
+
+
+
+
+
+
IC502
IC501
IC452
Q451,452
SW301
SW302
SW581
SW4
T151
D15
–
18
D153
–
156
D20
D19
Q3
Q4
Q151
RY2
RY151
SW681
RY3
RY1
Q1,2
Q26
Q27
Q25
Q5
—
30
VR421
VR531
–
534
IC302
IC531,532
IC421
IC452
IC453
IC456
TAPE
CDD
POWER
–
10dB
TAPE
MONITOR
INH
MAIN
MUTE
STANDBY
/ON
RYPS
(Power ON/OFF)
Remote Control
SERIAL DATA
(Input Select)
Input Select
Tape Monitor
Main VR
Protection
TAPE
CDD
RYSP
Microprocessor
SW621
U631
IC301
SW622
Q305
CD-D
MUTE
Q303
XL301
4MHz
19
20
11
6
7
31,32
37
13,14
5
3
4
1
7
3
3
3
6
35,38
–
41
12
