RXD-302/302E/352/352E/372S
4
BLOCK DIAGRAM
24
23
13
+
+
100K
17
18
28
19
20
21
2
15
16
26
25
23
24
12
11
13
14
10
9
8
7
22
4
3
5
29
1
30
6
100K
100K
100K
100K
100K
100K
100K
G
G
2
1
2
5
9
11
20
19
16
14
+
27
CD
TUNER
TAPE
A/B
PLAY
AMP.
ALC
PLAY
R/P
OSC
BIAS
(Q213,L201)
Q205
Q203 Q204
Q206
Q201
Q202
TAPE OUT
Q403,404
REC BUFFER
TAPE OUT
REC. OUT
REC IN
DECK A/B SW.
B+
PRE. SET EQ
PRE-AMP
IC402
RL501
Q408,
409
MUTE
SYSTEM
POWER
IC501
+Vcc
-Vcc
Q501-503
DETECTOR
u-COM
SPEAKER
PROTECTOR
+12V
506
Q505,
MUTE
JACK
SPEAKER
HEADPHONES
+5.5V
Q706
Q707
Q705
+Vcc
(SWITCHED)
to
X'FORMER
-35V
Q708
+12V
-Vcc
CN702
D709
D710
Q702
FLD DISPLAY
IC601
u-COM
KEY
MATRIX
CN05-
to CD PCB
to MAIN PCB
RF
AMP
FILTER
RC
TUNE
AMP
MIX
IFT
CF1
BUFF
OSC
TUNE
AMP
IF
CF2
TUNE
AM RF
AMP
RF
Q106
FM SECTION
Q101
PLL
u-COM
IC201
L.P.F
AM SECTION
V.T.
AM ANT
GND
FM ANT
OUT
MIX
BUFF
AMP
TUNE
AMP
AM RF
TUNE
OSC
ANT
RF
PLL
L.P.F
AMP
RF
IC201
u-COM
AMP
Q106
IFT
CF1
IF
FILTER
AM SECTION
FM SECTION
CF2
OUT
RC
IC102
IC102
TUNE
FM RF
FM
OSC
Q102
RF SIGNAL PROCESSING/SERVO AMP
FOCUS
TRAY MOTOR
T/T MOTOR
OUTPUT
AUDIO
CONTROL SW.
S01-04
Rch
Lch
u-COM
AUX
BASS
MIDDLE
TREBLE
VOLUME
SPKR ATT
LEFT
PRE. SET EQ
VOLUME
MIDDLE
TREBLE
BASS
SUPPLY
SPKR ATT
LEFT
I CBUS LATCHES
INPUT MULTIPLEXER
+GAIN
VREF
0/30 dB
2dB STEP
Lch
Rch
R/P SWITCHING
Lch
Rch
REC.
AMP.
-Vcc 12V
+Vcc 12V
JK601
AMP.
PRE. AMP.
IC602
SUB WOOFER
B +12V
FRONT PCB
to
MOTOR SOL.
7.2MHZ
7.2MHZ
V.T
IFT
AM
IC201
FM FRONT-END
FM RF IC101
TUNER PCB UNIT
CD MECHA. UNIT
TUNER PCB UNIT
MAIN PCB/FRONT PCB
IC401
RXD-302(K)
COVER1,1(
99.6.18
0:31
PM
y[W
7
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TEL 13942296513 QQ 376315150 892498299