Read Sharp QT-CD50H (serv.man3) Service Manual online
QT-CD50
Figure 8 SCHEMATIC DIAGRAM (1/5)
– 8 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
(ML)
(ML)
(ML)
(CH)
(CH)
(ML)
(ML)
(ML)
(ML)
+B
POWER
/FUNCTION
ON-FM ST
ON-FM MONO
ON-CD
STAND-BY
-TAPE
/FUNCTION
POWER
ON-CD
ON-FM ST
ON-FM MONO
STAND-BY
-TAPE
SW602-B
SW602-A
RECORD
/PLAYBACK
/PLAYBACK
RECORD
/PLAYBACK
/PLAYBACK
R
P
R
P
220P
C517
RECORD
/PLAYBACK
/PLAYBACK
RECORD
/PLAYBACK
/PLAYBACK
CD SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
AM SIGNAL
FM SIGNAL
10
R543
100
R704
A
B
C
BEAT CUT PWB-F
VOLUME PWB-H
DECK PWB-C
POWER AMP PWB-G1
RECORD
/PLAYBACK
RECORD/PLAYBACK
EQUALIZER AMP.
R
P
/PLAYBACK
RECORD
RECORD/PLAYBACK
470P
C508
+B
C483
0.039
(ML)
ON
OFF
ON
OFF
SW402B
X-BASS
SW402A
X-BASS
TO CD SER
P13 1
CNP
CNS463 6
6
4
5
R
P
R
P
R
P
R
P
R
P
R
P
15K
R501
47
R509
0.027
C511
1/10
C462
1/10
C461
BIAS OSC.
BIAS OSC.
100K
R512
47
R510
R-CH
L-CH
TAPE
ERASE HEAD
HEAD
/PLAYBACK
RECORD
15K
R464
15K
R463
1.8K
R462
1.8K
R461
100
R442
R522
2.2K
3.3K
R520
SW501-F
2.2K
R409
22K
R466
C482
0.039
(ML)
2.2K
R410
22K
R465
R521
2.2K
3.3K
R519
SW501-H
47/10
C509
3.9K
R517
100K
R513
100K
R511
SW501-D
5.6K
R515
1N4148
D599
3.3K
R599
0.01
C599
2.2/25
C513
470P
C507
BA3311L
IC501
1N4148
D598
3.3K
R596
C598
0.01
3.9K
R518
3
1
220P
C501
470P
C503
SW501-B
SW501-A
1K
R597
1.5K
R544
220P
C502
15K
R502
SW501-C
RECORD
/PLAYBACK
470P
C504
0.0027
C515
0.0027
C516
10K
R505
10K
R506
220
R504
220
R503
SW501-E
1K
R598
SW501-I
220
R542
SW501-G
1N4148
D501
100K
R514
7
6
6
0.027
C512
5.6K
R516
680K
R541
47/10
C541
1/10
C542
0.02
C544
100/10
C543
220P
C518
11
12
4
2
10
9
5
47/10
C510
2.2/25
C514
8
3
1
0.001
C705
0.0022
C706
8.2K
R703
100/10
C704
SW701
BEAT
CANCEL
120P
C702
250P
C701
0.001
C703
3.3
R706
8050 D
Q701
8.2K
R705
L701
4
1
4
1
FM B. P. F
AM BAR
+B
CV303
(CH)
CV304
(CH)
AM OSC.
(CH)
L306
ANTENNA
COVERAGE
FM RF
(RH)
FM FRONT END
(ML)
L305
FM OSC.
L307
+B
FM BAND
+B
fL
fH
COVERAGE
AM BAND
fL
fH
0.02
C317
0.04
C318
ROD
1N4148
D302
D301
1N4148
FM IF
AM IF
+B
+B
3
2
1
3
1
+B
2
FM D
IN
FM IF
IN
AM IF
VDD
AGC
QUAO
GND2
OUT
DET
OSC
AM
OSC
FM
SW
AM/FM
FM RF
OUT
IN
AM RF
AM MIX
IN
MIX
FM
GND1
FM RF
ANTENNA
L302
33/10
C327
AM IF
CF301
455kHz
TA8164P
IC301
CT303
35P(CH)
C326
L310
220P
C325
CT304
22K
R304
1N4148
D380
CV301
CT301
25P
C306
CV302
CT302
18P
C309
0.04
C314
1S2638
D303
100K
R306
4P
C311
150K
R307
33
R305
33P
C310
33
R303
0.001
C307
1K
R309
0.001
C313
T3
6.8K
R315
150
R313
FM IF
CF302
10.7MHz
CF302
10.7MHz
7
T302
T301
6
5
4
3
2
9
8
1
16
15
14
13
12
11
10
FM TRACKING
fL
fH
AM TRACKING
fL
fH
100P
C382
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