Sharp CD-M4000W Service Manual page 18

CD-M4000W/CP-M4000
FM
ANTENNA
TERMINAL
SO301
AM LOOP
ANTENNA
CNP301
2
1
ICK1
M65856SP
MIC AMP.
JK1
MIC
LATCH
CLOCK
DATA
MIC IN
L OUT
9
R OUT
12
L IN
13 R IN
VCC
VRK1
MIC
+B5
VOLUME
QK1
CNS11
R
1
FROM CD
2
SERVO SECTION
CNP7
3
L
L-CH
TAPE 1
R-CH
PLAYBACK
HEAD
REC
P.B.
L-CH
TAPE 2
R-CH
RECORD
PLAYBACK
HEAD
AC BIAS
ERASE
HEAD
IC301
TA7358AP
BF301 1
FM FRONT END
B.P.F
3 4 5 7
2
FM
L312
RF
OSC BUFF
AM TRACKING
AM BAND
T303 T306
COVERAGE
40
41
42
36
35
8
31
32 5
6
23
1 L
R
7
2
ICK2
KIA4558P
3
OPE AMP.
IC101
PLAYBACK AND
RECORD/
PLAYBACK AMP.
L(T1) 1
R(T1)
24
P.B
2
L(T2)
SWITCHING
R(T2)
23
Q103-
Q106
L NF 3
R NF
22
POP REDUCE
6 T1/T2
L REC
9
REC
16
R REC
REF
14
NOR/
12
CRO2 T1/T2
15
SWITCHING
SWITCHING
Q107
Q111
Q108
SWITCHING
Q109
SWITCHING
BIAS Q128
L104
OSC
Figure 18 BLOCK DIAGRAM (2/3)
FM IF
6 T302 CF303
9
8
1
IC303
AM MIX
LA1832S
T301
FM IFDET./
FM
FM MPX./
OSC
AM IF
23
Q302
X352
VT
4.5MHZ
20 1 22 15 16
OSC
+B4
+B
7
FM
FM/AM
Q360
CONSTANT
VOLTAGE
JK601
VIDEO/AUX
L-CH
R-CH
+B4
13
4
L PB
R
21
5
20
H/N
7 L REC
R
18
L NF
8
17 R NF
TAPE
MECHANISM
ALC
10
ASS'Y
19
SWITCHING
Q110
BIAS
Q124 Q126
+B4
– 18 –
10.7MHz
X351
456kHz
CF351
450kHz
T351 CF352
AM IF
2 4 5 9 8 17 13
AM IF GND VCC FM MPX
IN DET VCO
R
FM/AM
OUT MPX IN
21 7 18 16 12
24
11 3 4 5 6
IC302
LC72131
17
PLL(TUNER)
9
10 21
MO/ST
FM/AM
23
9
L
R
16
L 10
TAPE
IC601
15
R
LC75341
L 11
TUNER
AUDIO PROCESSOR
R 14
L 12
CD
R 13
7 18 8 17 3
MIC
L R L R
Q121
Q122
MUTING
IC703,IC704
–B2
4
MOTOR
DRIVER
Q708
Q704
+B3
Q705
SOLENOID
DRIVER
+B4
MO/ST
L
14
15
+B4
DI 1
CE 2
–20dB
CLK
24
ATT
R
21
Q603 Q60
Q604 Q60
L
4
SYST
Q862
MUT
Q863
1
IC860 3 Q864
KIA4558P
Q865 +B4
8
OPE AMP.
REC/
+B4
8
1
28 30
KIA4558P
IC701(2/2)
OPE AMP.
IX0460AW
7
29
T1/T2
BIAS