Sharp CD-C602 Service Manual page 14

CD-C602,CP-C602
IC301
TA7358AP
FM FRONT END
MIX
RF
3 4
1
FM BAND
PASS L301
FILTER
FM
VD301
ANTENNA
AM LOOP L302
ANTENNA
FM RF
1 1
2
2
3 3
CNP301
FM/AM
ANTNNA
TERMINAL
AM ANT.
T331
VD331-1
CD
SECTION
M601
M
TAPE
MOTOR
SW606
TAPE2 MAIN
SW605
TAPE1 MAIN
SW608
TAPE1 PLAY
PLAYBACK AND RECORD/PLAYBACK AMP.
TAPE2
T2 L
PLAYBACK
REC. P.B.
L-CH
HEAD
R-CH T2 R
SWITCHING
T1 L
Q201
TAPE1
Q206 T1 R
RECORD/
L-CH
PLAYBACK
R-CH
L NF
HEAD
R NF
POP
REDUCE
L REC
R REC
SWITCHING
ERASE BIAS OSC
HEAD
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B.A
OSC
6 5 7 8 9
VD302
T301 L303
FM
FM IF
OSC.
AM OSC.
T333
VD331-2
+B4
D201 D202
IC201
AN7345K
+B5
13
VCC
1
P. B
24
L OUT
L 4
2
R
R OUT
21
23
3 T1/T2
19
22
6
L REC IN
18
7
9 REC
R REC IN
16
8
Q210
17
Q213
12 GND
Nor/
CrO
2
15
10 11 ALC CUT
Q207~
Q214
Q209
Q212
L203
Figure 14 BLOCK DIAGRAM (2/3)
AM IF
FM IF IN
CF351 T352
T351
FM IF 10.7MHz
AM IF
AM MIX
IN
OUT
CF302
1 3 5
AM IF FM DET
FM IF IN
IC351
LA1805
FM IF DET. /FM MPX. /AM IF
AM AM AM
6
8
22 23 24 17 16
FM +B
RF AMP.
Q302
X381
4.5MHz
1
20 22 16
IC381
LC72131
PLL CONTROLLER
B01
7
+B5
Q381
D381
SWITCHING
T1 PLAY
REC MUTING
Q211
SWITCHING
– 14 –
+B5
SWITCHING
FM DET
Q352 FM +B
20 21 11
FM +B
L OUT
L-CH 9
R-CH 10
R OUT
ST IND VCO
7
15 13
VR351
VCO
15 11 10 VOLTAGE
REGULATOR
VDD 17 ZD381
VSS
3 4 5 6
21
T2 PLAY
T1/T2
REC
+B4
SW607
TAPE1
RECORD
TU
T
TA