Removing And Reinstalling The Main Parts - Sharp CD-BA1300H Service Manual

CD-BA1300H
FM
ANTENNA
TERMINAL
AM LOOP
ANTANNA
L341
BALUN
AM TRACKING
T303
MOTOR
DRIVER
TAPE
+B2
M
Q706
MOTOR
Q704
+B2
SOLENOID
Q705
IC701
T2 PLAY
54PIN
IC701
T1 PLAY
53PIN
IC701
R.PLAY
56PIN
IC701
F.PLAY 55PIN
FROM CD SECTION
CNP11
TAPE 1
L-CH
P.B. HEAD R-CH
REC
P.B. SWITCHING
Q104~
L-CH
TAPE 2
Q107
R-CH
REC/P.B.
HEAD
AC BIAS
ERASE
HEAD
FM IF
FE301
1 CF301
8 TA7358AP
FM FRONT END
5
2 7 3 4
6
AM BAND
T306
COVERAGE
FM +B
24 23 22 21 20
RDS DECORDER
2 4 3
CNS601
1
2
3
IC101
4
AN7345K
PLAYBACK AND
5
RECORD/PLAYBACK AMP.
1
L(T1)
R(T1)
24
P.B
2
L(T2)
R(T2)
23
LNF
3
RNF
22
H/N
POP
T1/T2
6
REDUCE
9
LREC
REC
RREC 16
14
REF
12
NOR/
HIGH T1/T2
15 19
12
SWITCHING
Q108
Q109 Q103
SWITCHING
Q101 Q102
SWITCHING
Q114
L104
BIAS
OSC
Figure 12 BLOCK DIAGRAM (2/3)
FM IF
AMP.
Q301 CF302
1
AM
FM IF DET./FM MPX./AM IF
23
X352
VT
4.5MHZ
20 1 22
SWITCHING
OSC
FM
Q360 7
3 4 5 6
+B3
15 14 13
XT21
4.5MHz
ICT21
LC72722
7 8 12
+B3
13
L
4
PB
R
21
5
20
7 L REC
18
R
8 LNF
17 RNF
ALC
10
+B3
Q113
Q112
BIAS
SWITCHING
– 12 –
CF351
T351 CF352
AM IF
4 5 8
2 9 17
IC303
MIX AM IF GND FM+B FM VCO
LA1832S DET
FM/AM
OUT MPXIN
22 21 24 18
7 16
L354
LOW
PASS
FILTER
QT21 AMP.
15 16
11 9 10
FM/AM MO/ST
IC302
LC72131
17
PLL(TUNER)
21 2
1
QT22
L 10
TAPE
R
15
IC601
TUNER
L 11
LC75341
R
14
AUDIOPROCESSOR
L 12
CD
R
13
18
8 17 3
7
+B3
X351
456kHz
Q
13
MO/ST
L 14
R
15
FM/AM
12
R
21
Q601
Q602
L
4
SYSTEM
MUTE
23
+B3
Q110 REC/PLAY
Q111
MUTING
T1/T2
BAIS