Sharp CD-C462C Manual de servicio - Página 12
Navegue en línea o descargue pdf Manual de servicio para Sistema estéreo Sharp CD-C462C. Sharp CD-C462C 44 páginas.
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CD-C462/C462C
FM&AM LOOP ANT
FM BPF
IC301
FM FRONT END
BF301
1
TA7358AP
2
3
4
5
L302
FM RF
AM TRACKING
CNS11
FROM CD SECTION
CNP11
TAPE 1
PB HEAD
L-CH
R-CH
TAPE 2
REC/PB
REC
HEAD
P.B
L-CH
R-CH
AC BIAS
ERASE
HEAD
FM IF
6
T301
9
7
8
L303
FM OSC
Q302
OSC BUFF
AM BAND
COVERAGE
T302
AM ANT.
6
1
5 2
5
3
PLAYBACK&RECORD/
PLAYBACK AMP.
IC101
AN7345K
L (T1)
1
13
P.B.
R (T1)
24
SWITCHING
L
4
L
L (T2)
Q103
2
R
21
R
R (T2)
23
Q106
3
5
L NF
R NF
4
20
POP REDUCE
H/N
L
6
T1/T2
7
REC
18
L REC
R
9
16
R REC
8
L NF
17
R NF
ALC
REF
14
10
NOR/
HIGH
T1/T2
12
15
19
SWITCHING
SWITCHING
Q107
Q111
Q108
Q109
Q110
SWITCHING
BIAS
SWITCHING
OCS
Q128
L104
Figure 12 BLOCK DIAGRAM (2/3)
CF301
FM IF IN
FM OSC
VT
SWITCHING
FM +B
Q344
Q121
Q122
MUTING
+B4
P.B
REC
BIAS
Q124
Q126
– 12 –
+B4
+B4
VR351
MPX VCO ADJ
AM IF
T351
T352
FM DET
1
3
6
5
21
20
13
VCO
AM MIX
AM IF
GND
FM+B
FM DET
FM/AM IF
IC303
MPX IN
LA1805
DET OUT
24
23
22
7
17
16
X352
4.5MHz
3 4 5
20
1
22
15
16
11
OSC
IC302
LC72131
PLL CONTROLLER
7
10
FM
+B4
REC
8
18
45 44
34
CL
IC501
38
CL
LV1035M
DATA
35
DOLBY PRO LOGIC
DECORDER
37
DATA
36
ENABLE
42
33
21
T1/T2
BIAS
15
MO/ST
L
9
10
R
FM/AM
11
FM/AM
SWITCHING
Q343
VOLTAGE
REGURATER
+B
6
17
21
ST
FM
JK601
VIDEO/AUX
L
A
R
TAP
TU
CD
23 24
31
32
X501