Sharp CD-C492, Service Manual

Page: 24 / 88

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