Sharp GX-CD1200W GL Service Manual Page 10
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GX-CD1200W
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B
C
D
E
F
G
H
1
2
34 5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
Figure 10 SCHEMATIC DIAGRAM (1/4)
6
5
4
3
2
1
7
6
5
4
3
2
1
1 2 3 4 5
C20
0.0022
9
8
7
6 543
2
1
24
10
9
8
7
6
5
4 3 2
1
TP1
VCO
76KHZ
VC4
GND(A)
R-CH
L-CH
A-GND
D-GND
+8V(SERVO)
C B A
R-CH
L-CH
FINE
TNNING
TAPE
MW
SW2
FM
SW1
SW2
MW
FM
ROD ANTENNA(253)
FM STEREO
FM MONO
CD
TAPE
TAPE
TUNER
TUNER
CD
MIC
NORMAL
HIGH
TUNER
CD
FM
SW2
SW2
SW2
SW2
SW2
SW1
SW1
SW1
SW1
SW1
SW1
MW
MW
MW
MW
MW
SW2
SW1
R
P
R
P
R
FM
FM
FM
FM
MW
FM
P
FM
DETECTION
AM IF
N.C.
MPX IN
DET OUT
IF AD
AM IN
AM IF
AM OUT
IF AD
FM DET
AM MIX
AM RF
AM OSC
GND
ALC
REC
IN
REC
NF
REC
OUT
REC
IN
REC
NF
REC
OUT
M/N GND1
VCC
MIX
OUT
A/B
PRE
OUT
PRE
OUT
MATAL
OUT
MATAL
OUT
NF
NF
CH2/B
CH2/A
CH1/BCH1/A
MIX
RF AMP
OSC
L-CH
R-CH
FM IF IN
AGC
GND
AM/FM
VCO
MO/ST
+B
STB
6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
1
2
3
1
2
3
4
23
22
21
20
11
19 18 17 16 15 14 13 12
FM SIGNAL
MW/SW1 SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
0.9V
1.6V
7.1V
1.6V
7.2V
7.2V
7V
0V
6.4V
0V(0V)
0V(9V)
0V(9V)
0V
1.3V
0V
0.9V
0V
6V
1.9V
0V(0V)
0V(0V)
0V(0.7V)
( ):CD FUNCTION
( ):HIGH
( ):RECORD
(0V)
(0.7V)
0V
9V
0V
0V
2.7V
0.9V
0.3
V
2.7V
0.9V
0.3V
1 2 3
1
1
2
2
3
3
1
2
3
6
5
4
3
2
1
CNP804
TO CD
SERVO
PWB
P13 11-G
L-CH
R-CH
ERASE HEAD
L-CH
R-CH
SIDE-A
SIDE-B
PLAYBACK HEAD
TAPE2
RECORD/PLAYBACK HEAD
TAPE1
2
4
3
1
3
2
1
SIDE-A
SIDE-B
A
A
B
B
SW504-B
TAPE2 DIRECTION
SW504-A
TAPE2 DIRECTION
23
1
FM IF
SW1
TRACKING
fH
fL
TC6
L4
SW1
COV
R P
R P
R P
(0.7V)
(3V)
(0.1V)
( ):RECORD
MAIN PWB-A1/VOLUME PWB-A3/FINE TUNING PWB-A4
VCO
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
IC1
TA7358AP
FM FRONT END
CF1
FM BAND PASS
FILTER
R2
33
C10
15P(CH)
C9
0.022
D2
DS1SS133
C2
5P(CH)
L1
C11
22P(CH)
VC2
TC2
R1
10
C6
0.0047
C8
0.022
L2
C7
0.0047
C5
0.001
C4
24P
(CH)
D1
DS1SS133
SW1-A
BAND
SELECTOR
FM
TRACKING
FM
OSC.
SW1-B
BAND
SELECTOR
TC1
VC1
SW1-D
BAND
SELECTOR
L4 SW1
L3 MW
TC6
TC8
L3,4 MW/SW1
BAR ANTENNA
L5 SW2
ANTENNA
TC4
C14
5P(CH)
R352
47K
R351
47K
R353
27K
R354
27K
TC3
TC5
TC7
C27
0.0047
C21
5P
(UJ)
VC3
TC9
C19
330P
SW1-E
BAND
SELECTOR
C15
0.022
C43
220P
SW1-F
BAND
SELECTOR
R10 47
R11
47
SW1-G
BAND
SELECTOR
C30
0.022
R13
100
C26
0.022
C25
0.022
C29
22/16
R12
1K
CF2
FM IF
BI804
R152
4.7K
R166
560
D163
DS1SS133
R168
10K
R169
10K
Q153
KTC3199 GR
MIC AMP.
R165
10K
C157
1/50
C156
100/10
R154
560
R151
2.2K
C151
0.33/50
C154
47/10
R161
1M
C155
10/16
Q156
KTC3199 GR
LINE AMP.
R173
10K
C152
10/16
C137
0.0015(ML)
L103
22mH
R135 10K
C131
120P
R101
100
R121 10K
C107
330P
C113
4.7/50
C109
47/10
R109
6.8K
R105
180K
C111
0.015
(ML)
R107
10K
C103
470P
C105
330P
C101
470P
C124
0.01
C123
0.01
R132
1.2K
R131
1.2K
R134
82K
R133
82K
C126
4.7/50
C125
4.7/50
R119
100
R113
120K
R120
100
C120
0.033
(ML)
R118
330K
C122
330P
C119
0.033
(ML)
C117
10/16
R117
330K
R115
680
C121
330P
C128
2.2/50
C127
330/10
C115
4.7/50
R301
330
R124
10K
R123
10K
C129
22/16
R122
10K
C118
10/16
R116
680
R114
120K
C114
4.7/50
R110
6.8K
R102
100
R106
180K
C104
470P
C102
470P
C112
0.015
(ML)
C106
330P
R108
10K
C110
47/10
C108
330P
C116
4.7/50
R112
22K
R136 10K
C138
0.0015(ML)
L104
22mH
C132 120P
SW102
BEAT CANCEL
C307
150P
C306
390P
C304
0.022
C302
0.0022
(ML)
R304
10
C301 100/10
R303
100
C305
0.0015
(ML)
L301
BIAS OSC.
R306
47
R305
27K
Q301
KTC3203 Y
BIAS OSC.
C303
0.0056
(ML)
R302
100
C134
150P
CNP102
CNS102
C133
150P
R511
10K
Q
5
K
T
S
W
SW501-C
FUNCTION
SELECTOR
SW103-A
DUBBING
SPEED/MIC
D152
DS1SS133
R172
10K
R171
33K
R170
33K
C159
47/25
D156
DS1SS133
R111
22K
R177
1K
R174
22K
D165
DS1SS133
D164
DS1SS133
C160
22/16
R100
150
D154
DS1SS133
D158
DS1SS133
C158
47/25
D162
DS1SS133
R127
22K
R128
22K
R130 150K
R129 150K
SW501-A
FUNCTION
SELECTOR
R18
2.7K
R17
2.7K
R16
10K
C40
1/50
SW501-B
FUNCTION
SELECTOR
SW1-H
BAND
SELECTOR
C42
0.022
C39
1/50
C41
1/50
CF3
455KHz
AM IF
R15
10K
C37
0.012
(ML)
R20
10
R182
1K
R181
1K
C182
1/50
C181
1/50
R184
330K
Q182
KTC3199
GRAPHI
C
EQUALIZ
R183
330K
Q181
KTC3199
G
GRAPHI
C
EQUALIZ
E
C183
220P
R1
22
0
R1
22
0
C184
220P
L11
C24
0.022
C13
0.022
C22
0.022
C23
220/10
C18
10/16
C17
0.022
R5
100
R19
15K
R14
100K
C34
470P
C36
0.0015
C35
3.3/50
C33
3.3/50
C31
0.0047(ML)
R9
12K
C32
0.0082(ML)
R8
3.9K
L10
IC2
LA1805
FM/AM IF MPX.
C12
3P(CH)
R4
330K
R7
820K
SW103-B
FM MODE
VR1
10KB
C38
0.012
(ML)
SW1-C
BAND
SELECTOR
L8 SW2 OSC.
L7 SW1 OSC.
L6 MW OSC.
Q601
KRC102M
Q154
KRA102M
MIC AMP.
R153
2.2K
CNP101
CNS101
IC101 TA8189N
RECORD/PLAY AMP.
J151
MIC JACK
SW101-A
SW101-B
SW101-C
SW101-D
SW101-E
RECORD/
PLAYBACK
IC151
TA2011S
MIC AMP.
R3
47
L9
SW101-F
BAND SELECTOR
CNS804
MIC151
BUILT-IN
MICROPHONE
SW101-A~D
RECORD/
PLAYBACK
- SERVICE MANUAL 1
- FITTING OF DIAL POINTER 2
- VOLTAGE SELECTION 2
- NAMES OF PARTS 3
- DISASSEMBLY 4
- CD MECHANISM SECTION 5
- TAPE MECHANISM SECTION 6
- MECHANISM SECTION 7
- TUNER SECTION 7
- DECK SECTION 7
- GX-CD1200W 10
- 78 9101112 13
- NOTES ON SCHEMATIC DIAGRAM 18
- WAVEFORMS OF CD CIRCUIT 19
- TROUBLESHOOTING (CD SECTION) 20
- FUNCTION TABLE OF IC 24
- TC7457F-022 27
- PARTS GUIDE 29
- ALL RIGHTS RESERVED 40
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