Block Diagram - Kenwood RXD-655 Service Manual

FM IF
AMP
SO301A FE301
CF301
ANTENNA
1
FM IF
TERMINAL Q301
8
FM FRONT END
5
AM LOOP ANT
L341
BALUN
AM RF
AM AM BAND
TRACKING COVERAGE
T303 T306
+B4
FM OSC
+B4
FM 17
Q360
VOLTAGE
REGULATOR
TAPE MECHANISM MOTOR
ASSEMBLY DRIVER
MM1
M
Q703 +B3
TAPE
MOTOR
Q704
SOLM1,SOLM2
+B3
Q705
SOLENOID
SWM2 IC700
T2 PLAY 54PIN
SWM1
IC700
T1 PLAY
53PIN
SWM4
IC700
R.PLAY
56PIN
SWM3
IC700
F.PLAY
55PIN
1
from CD SECTION
2
CNP1
3
IC101
CNS11
L(T1) 1
TAPE 1 Lch
P.B
R(T1) 24
Rch
PB HEAD
Q103-106
L(T2) 2 AN7345K
REC SWITCHING
PLAYBACK
P.B R(T2) 23
AND RECORD
L NF 3
/PLAYBACK AMP.
R NF 4
POP REDUCE 6 T1/T2
TAPE2
Lch
L REC 9 REC
Rch
REC/PB HEAD
R REC 16
AC BIAS
REF 14
12
Q107,
SWITCHING
108
SWITCHING Q111
+B4
SWITCHING
Q109 Q110
ERASE
HEAD
CF303 AMP
+B4 +B4
FM IF
QT21
X351
CF351
456kHz
FM IF
T351 L351
AM IF L.P.F
IC303
LA1832S
FM/AM IF MPX.
X352
4.5MHz
IC302
OSC
LC72131
PLL(TUNER)
ICT21
LC72723
XT21
RDS DECODER
4.332MHz
+B4
IC601
JK601
21 R
L AUX L 9
VIDEO/
R R 16
4 L
AUX IN
TAPE L 10
R 15 LC75341
AUDIO
TUNER 11
L
PROCESSOR
R
14
CD 12
L
R 13
13
VCC +B4
4 L
21 R
5
20
Q121,122
H/N
7 L REC REC
MUTING
18 R
8 L NF
17 R NF
10 ALC
T1/T2
+B4
BIAS
Q124
Q128,L104
BIAS
SWITCHING
BIAS OSC Q126
FL701
DISPLAY
+B7
Q706-
708
IC700(1/2)
63-66
67-78
79
VLOAD
80-89 UPD780206
SYSTEM
90-92
MICROCOMPUTER
93-100
XL701
4.1943MHz
Q700 +B7
RESET
+B2
IC901
Q603, Q605, 2
604 606
VL+
L 18
-20dB SYSTEM
POWER AMP.
ATT MUTE
R 14
VH-
VH+
6
1
Q862,
863 IC860
Q864,865
1
KIA4558P 7
4
OPE AMP.
-B2
CONSTANT
VOLTAGE
M10V
+B3 Q850
ZD851
Q851
KIA7810AP
A10V
VOLTAGE
+B4
REGULATOR
VF2
-VF
VF1
+5V
+B6
Q852
KIA7805P
CD+B
+B5 VOLTAGE
REGULATOR
IC561, +B4
562
10Hz 1K
1
IC700(2/2)
OPE
UPD780206
AMP.
SYSTEM
KIA4558
MICROCOMPUTER
4
UNSWITCH 5V
-B2
7 63Hz
to CD
SECTION
DRIVER
Q907
RX701
1 3
39
REMOTE
+B7
SENSOR
VR701
38
Q905
JOG
37
36
P-IN
35
Q901-
34
AVDD +B7
904
33-31
KEY0-2 +B3
25
T801
MAIN POWER
TRANSFORMER
-B2
D809
F804
T5AL 250V
5
VL-
8,9 R-OUT
10,11 L-OUT
F805
T5AL 250V
7
D810
D811-814
F806
T2AL 250V
F807
T2AL 250V
CONSTANT
VOLTAGE
Q803
Q802
D804
D803
D802-805
+B7 Q801
CONSTANT
VOLTAGE
REGULATOR
+B6
M
M901
FAN MOTOR
+
L-CH
-
-
R-CH
+
SO901
SPEAKER
TERMINAL
JK670
HEADPHONES
RL801
AC POWER
SUPPLY CORD
T.F
AC 230V 50Hz
T802
SUB POWER
TRANSFORMER
RXD-755/655