Sharp CD-BP90W Service Manual page 18

CD-BK100W/CD-BP90W
FM
ANTENNA
SO302
BF301
B.P.F
AM LOOP
ANTENNA
CNP302
AM TRACKING
1
2
T303
Q401
Q402
JK1
MIC
L-CH
TAPE 1
R-CH
P.B. HEAD
REC.
SWITCHING
P.B.
Q107
L-CH
TAPE 2
Q105
R-CH
REC./P.B. HEAD
AC BIAS
Q104
Q106
SWITCHING
Q112
ERASE
HEAD
BIAS
OSC
IC301
TA7358AP
FM FRONT END
FM IF
T302
6
1
9
3 5 8
7
FM L312
T301
RF
FM
OSC
OSC BUFF
Q302
AM BAND
T306
COVERAGE
IC302
LC72131
PLL(TUNER)
+B3
FM+B
SWITCHING
Q403~
Q406
SWITCHING
VR1
MIC
VOLUME
CNS601
1
2
CNP11
3
FROM CD SECTION
L(T1)
1
13 +B3
P.B
R(T1) 24
L
4
L(T2)
2
21
R
R(T2)
23
L NF
3
R NF
22
H/N
L
7
18 R
L REC REC
9
L NF
16
8
R REC
R NF
17
12 PLAYBACK AMP.
T1/T2
19
Q101
SWITCHING
SWITCHING
Q114
L103
IC701
IX0362AW(2/2)
42 43
Figure 18 BLOCK DIAGRAM (2/3)
CF302
450kHz
T351 CF352
AM IF
1 2 4 5
23 21 7 18
IC303
LA1832S
FM IF DET.
FM MPX./
AM IF MPX.
X352
VT
4.5 MHZ
1 3
20 22 15 16 11
OSC
7 9
10
FM
Q360
TAPE L
10
15
R
LC75341
L
11
TUNER
AUDIO PROCESSOR
14
R
L
12
CD
13
R
P.B.
REC.
IC101
AN7345K
RECORD/
BIAS
Q113
+B2
Q706
MOTOR
44
DRIVER
50
51
+B2
Q704
Q705
SOLENOID
DRIVER
– 18 –
10.7 MHz
X351
CF351
456 kHz
9 8 17 13
14
L
15
R
16 12
4 5 6
VDD
17
21
+B3
23
1
DI
2
CE
CLK 24
IC601
R
21
Q601
4 L
Q602
SYSTEM
MUTE
8 17 3
REC/PLAY
Q102
Q103
MUTING
TAPE
MECHANISM
ASS'Y
+B5
L
R
L
R
M+
VF
VF2
+
A
–V
T1/T2 C
+
UN_SW_
+
BIAS