Sharp CD-C492 Service Manual page 24

CD-C492/492C
SO301
ANTENNA
TERMINAL FM BPF
IC201
FM FRONT END
BF301 1
FM
TA7358AP
AM
2 3 4 5
L302
FM RF
AM RF
AM ANT
AM OSC
T202 T204
A1064 B1074
JR11
VCR/AUX1
L R
L R
JR12
VCR/AUX2
+B2
MOTOR
DRIVER
MOTOR
QL14
M
DRIVER
QL12
DRIVER
QL11
SWM3
SWM4
CAM SW
FAS SW
T2 PH-IN
+B2
PHM1
DRIVER
QL15
SOLM1
PB HEAD
L-CH
TAPE 1
R-CH
P.B
REC/PB REC/PB
REC
HEAD
P.B
QK03 QK05
L-CH
TAPE 2 QK04 QK06
R-CH
AC BIAS QK07
QK09
QK08
QK10
QK11
ERASE
HEAD
FM IF FM IF
T301
CF301
6 AM IF
9 FM IF IN
8
7
1 3
FM OSC AM MIX
L303
24
FMOSC
Q202
OSC BUFF
X352
4.5MHz
+B7 20 1 22
OSC
Q344
7
FM
FM +B
TA MOT SW
QL18
HI SPEED
QL13
SWITCHING
TA MOT H/L
QL17
T2 A/B-FP
TA CUM SW
T1 RUN SW
T2 PH-OUT
TA PUL
QL19
IC101
AN7345K
PLAYBACK&RECORD AMP
L(T1)
1
P.B
P.B.
R(T1) 24
L
4
L(T2)
2
21
R
R(T2) 23
L NF
3 5
R NF
4 20
H/N
POP REDUCE T1/T2
L REC
6
7
L REC REC
18
R
9
16
R REC L NF
8
REF 17
R NF
14
ALC
10
+B7
13
NOR/
HIGH T1/T2
12
19
15
SWITCHING
QK28
LK04
Figure 24 BLOCK DIAGRAM (4/5)
+B7
+B7
VR351
MPX VCO ADJ
T352
T351
FM DET
5 6 21 20 13
AM IF GND VCC FM DET VCO MO/ST
FM/AM IF+MPX
LA1805
IC241
MPX IN
FM/AM DET OUT
9 10
23 22 7 15 11 17 16
L
FM/AM
Q342
SWITCHING
Q343
VOLTAGE
REGURATER
+B7
+5V
16 11 10 17
15
IC302
TC72131
PLL CONTROLLER
3 4 5 6 21
FM +B
HI SPEED
PB MUTE
QK17
QK18
MUTING
REC MUTE
QK21
QK22
MUTING
SWITCHING
QK15
QK16
QK19
SWITCHING
T1/T2
REC/PB
SWITCHING
BAIS
QK24
QK26
– 24 –
R
ICH11
7
10 9
TUNER L
12
R 1
L
TAPE
14
L
R
5
21
27
VCR 1 L
R
15
R 2
VCR 2
L
11
4
R
7 16
-B10
+B10
ICZ09
NJM4565D
R L
IN
LINE AMP.
3 5
+B10
-B10 4
8
1 7
OUT
R
L
TO AC-3
B.P.F
2
SPE IN
L
R
20 19 18
IC
QS7
QSO
40 41 42