Kenwood RXD-251 Service Manual page 6

TUNER UNIT
FM FRONT-END
FM ANT TUNE
RF MIX
IFT CF1
AMP AMP
GND
TUNE
AM ANT
OSC BUFF
AM RF Q106
TUNE
RF
AMP
Q107,108
V.T.
L.P.F
TUNER UNIT
FM RF IC101
FM ANT ANT
RF MIX
IFT CF1
AMP AMP
GND
GND FM RF
TUNE
AM ANT
OSC BUFF
FM Q102
TUNE OSC
Q106
AM RF
TUNE
RF
AMP
Q107,108
L.P.F
CD MECHA. UNIT
IC02 74HC4094
I/O PORT EXTENSION
IC01 CXA1782BQ
RF SIGNAL PROCESSING/SERVO AMP
IC03 BA5936S
IC04 CXD2508Q
CD POWER DRIVER
DIGITAL SIGNAL
PROCESSOR W/DAC
XTL01
33.86MHz
DISC
M
MOTOR
T/T MOTOR
TRAY MOTOR
FEED
M
MOTOR
LIMIT IN
SW
Q101
OUT
IF RC
CF2
AMP FILTER
IC102
FM SECTION
AM SECTION
AM
IFT
u-COM
IC201
AUDIO UNIT/DISPLAY UNIT
PLL
7.2MHz
TUNER
OUT
IF RC
CF2
CD
AMP FILTER
AUX
IC102
FM SECTION
AM SECTION
AM
SERIES
IFT
DATA
u-COM
IC201
PLL
TAPE
S01-04
CONTROL SW
PLAY
u-COM
Lch
IC15 NJM4558L AUDIO
OUTPUT
OP AMP
R/P
Rch
Q203 Q204
Q205 Q206
Q403,404
PRE SET +3dB AMP
EQ.
VREF
CL
DI
IC401
CONTROL
CE
REC BUFFER
Q405,406
+B
IC402
DECK A/B SW
Q213
REC IN
TAPE OUT
USED RXD-301(X3)/
REC OUT
PLAY
AMP
A/B
23
ALC
IC201
TAPE OUT
BIAS
OSC
(Q209,L201)
Q202 Q201
RXD-A3(K1,P1) TYPE ONLY
+VCC
IC602
SUB WOOFER
PRE AMP
-VCC
MUTE
+VCC
IC501
IC404
POWER AMP
Q409,
PRE AMP
410
EX-BASS
Q413,
414
DETECTOR
Q411,
-VCC Q504-506 +12V
412 SYSTEM
Q713,
MUTE
714
IC502
SPEAKER
-10dB
PROTECTOR
ATTENUATOR
Q703
Q702 Q701
+5.5V
+7.5V +12V
MIC IN
Q704
SWITCHED
+12V
IC301
MIC AMP
Q705,
706
RXD-351(M1,X1)/
Q709
RXD-371S(M2)
-12V
CN09
to CD PCB
CN401 IC601
u-COM
to MAIN PCB
KEY
MATRIX
LCD DISPLAY
JK601
JK502
Q511,
HEADPHONES
512
RL501
JK501
Lch
SPEAKER
JACK
Rch
CN701
D702-705
to
X'FORMER
D701
+VCC
+
+
-VCC
RXD-351