Adjustment - Sharp CD-BP1450V Service Manual

CD-BP1450V
FM ANTENNA
TERMINAL
SO302
B.P.F
3
1
BF301
AM LOOP
ANTENNA
CNP302
1
1
T303
2
2
CNS601
FROM CD
SECTION
CNP11
PLAYBACK
HEAD
L-CH
R-CH
TAPE 1
SWITCHING
REC
REC
PLAYBACK
P.B.
Q104~
HEAD
L-CH
Q107
TAPE 2
R-CH
AC BIAS
BIAS
ERASE
OSC
HEAD
IC301 6
1 TA7358AP
FM FRONT END
9
4 5
3 8
7
FM
T301
L312
RF
Q302
AM
AM BAND
T306
TRACKING COVERAGE
FM +B
R
1
2
L
3
4
IC101
AN7345K
5
PLAYBACK AND RECORD/
PLAYBACK AMP.
1
13
L(T1)
24
R(T1)
P.B
4
2
L(T2)
21
R(T2)
23
3 5
L NF
22 20
R NF
POP H/N
6
T1/T2 7
REDUCE
18
L REC
9
REC
16
8
R REC
17
14
REF
12 10
NOR/
HIGH T1/T2
15 19
SWITCHING
SWITCHING
Q108
Q103
Q109
Q101
Q102
SWITCHING
Q114
Q112
L104
SWITCHING
Figure 12 BLOCK DIAGRAM (2/3)
1 3
T302
CF303
1 2
AM MIX
IC303
LA1832S
FM IFDET/
FM MPX. /AM IF
23
21
FM OSC
X352
VT
4.5MHz
20 1 22
16
IC302
LC72131
PLL(TUNER)
7
SWITCHING
FM
Q360
+B2
TAPE
TUNER
CD
+B2
L
PB
R
L REC
R
L NF
R NF
ALC
BIAS
Q113
– 12 –
X351
CF351
1 3
4 5 9 8 1 7 13
AM IF FM
FM+B MO/ST
VCO
GND
DET
14
L
R
15
FM/AM
MPX IN FM/AM
OUT
24 18 16
12
7
15 11 4
3 5 6
17
VDD
FM/AM MO/ST
9 10 21
+B2
23
10
CLK
L
IC601
15
R
LC75341
11
AUDIO PROCESSOR
L
14
R
12
L
13
R
17 18
7 8 3
MUTING
Q110
Q111
+B2
1
DI
2
CE
SYSTEM
24
MUTE
21 Q601
R
Q602
4
L
REC/PLAY
BAIS