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RXD-251/301/351/371S/A3
6
BLOCK DIAGRAM
CE
DI
CL
VREF
24
23
20
19
16
14
1
2
5
9
11
23
3,28
2,29
1,30
+
+
TUNER
CD
AUX
CONTROL
SERIES
DATA
A/B
PLAY
AMP
ALC
PLAY
R/P
OSC
BIAS
(Q209,L201)
Q205
Q203 Q204
Q206
Q201
Q202
TAPE OUT
TAPE
Q405,406
REC BUFFER
IC402
TAPE OUT
REC OUT
REC IN
DECK A/B SW
Q213
+B
IC301
MIC AMP
MIC IN
Q403,404
+3dB AMP
PRE SET
EQ.
PRE AMP
IC404
EX-BASS
412
Q411,
410
Q409,
RL501
Q413,
414
MUTE
SYSTEM
714
-10dB
ATTENUATOR
Q713,
POWER AMP
IC501
+VCC
-VCC
Q504-506
DETECTOR
IC502
SPEAKER
PROTECTOR
+12V
512
Q511,
MUTE
JACK
SPEAKER
Lch
HEADPHONES
JK502
Rch
JK501
+5.5V
Q702
+7.5V
+12V
Q701
Q704
+VCC
SWITCHED
to
X'FORMER
-12V
Q709
+12V
-VCC
CN701
D702-705
D701
Q705,
706
Q703
LCD DISPLAY
IC601
u-COM
KEY
MATRIX
CN09
to CD PCB
CN401
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
IFT
AM
u-COM
IC201
L.P.F
Q107,108
7.2MHz
AM SECTION
V.T.
AM ANT
GND
FM ANT
OUT
MIX
BUFF
AMP
TUNE
AM ANT
GND
FM ANT
AMP
AM RF
TUNE
OSC
ANT
RF
IFT
PLL
L.P.F
Q107,108
AMP
RF
IC201
u-COM
AMP
Q106
IFT
CF1
IF
FILTER
AM SECTION
AM
FM SECTION
CF2
OUT
RC
IC102
IC102
TUNE
FM RF
FM
OSC
Q102
GND
IC01 CXA1782BQ
RF SIGNAL PROCESSING/SERVO AMP
PROCESSOR W/DAC
DIGITAL SIGNAL
CD POWER DRIVER
IC03 BA5936S
I/O PORT EXTENSION
IC02 74HC4094
IC04 CXD2508Q
XTL01
33.86MHz
IC15 NJM4558L
OP AMP
M
MOTOR
DISC
MOTOR
FEED
M
TRACKING
FOCUS
TRAY MOTOR
T/T MOTOR
SW
LIMIT IN
OUTPUT
AUDIO
CONTROL SW
S01-04
Rch
Lch
u-COM
SUB WOOFER
IC602
-VCC
+VCC
PRE AMP
JK601
USED RXD-301(X3)/
RXD-351(M1,X1)/
RXD-371S(M2)
IC201
FM FRONT-END
FM RF IC101
TUNER UNIT
CD MECHA. UNIT
TUNER UNIT
AUDIO UNIT/DISPLAY UNIT
RXD-351
IC401
RXD-A3(K1,P1) TYPE ONLY
Содержание RXD-251
Страница 5: ...RXD 251 301 351 371S A3 5 CONTROLS ...
Страница 16: ...251 301 351 371S A3 PARTS DESCRIPTIONS ...