Sharp GX-CH170X User Manual

GX-CH170X/CH170Z
Figure 34 SCHEMATIC DIAGRAM (7/7)
A
B
C
D
E
F
G
H
1
2
34 5
6
NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
– 34 –
GX-CH170X
GX-CH170Z
C32
0.015
IC2
LA1805
R26
3.9K
C23
0.0082
R27
33K
C22
0.0047
C28
0.0015
C24
470P
C31
0.015
CF2
C39
0.022
C37
220/10
T2
FM DET
C27
3.3/50
C29
10/16
C8
3P
L2
TC2
VC2
IC1
LA1186N
C2
0.001
C5
33P
R2
33
C6
15P
TC1
VC1
L1
FM RF
C4
18P
(CH)
R9
22K
R1
10(AX)
C15
0.022
C16
0.0047
C9
0.0047
R3
47
T1
R25
120
C10
0.022
R5
330K
C14
0.022
R6
820K
C38
0.022
C40
0.022
C26
22/16
T3
C21
0.022
C20
0.022
CF3
VR1
6.8K
R29
15K
R30
1.2K
R28
100K
C35
1/50
C25
3.3/50
VC4
R7
120
C17
0.022
R35
10(AX)
C11
220P
C51
0.022
L6
TC7
L3
L7
TC8
C49
0.0047
TC5
TC6
C48
5P
C56
180P(CH)
C46
180P
TC4
C44
0.0015
R42
39
L5
L4
R36
680
R50
100
CNW2
C34
1/50
CNW3
C42
10P(UJ)
C41
2P
TC3
R11
2.2K
R43
1.8K
1
CNP3
CNP2
BI500
LED500
3N4PDN32
VR500
5K(B)
FINE
TUNING
CNS3
CNS2
2
1
2
2
3
4
5
1
CNP1
P28 3-B
TO MAIN PWB
C33
1/50
1
2
F1
D1
1SS133
SW1-A
SW1-D
SW1-E
SW1-C
SW1-F
SW1-B
12
3
4
5
6
7
89
R40
39
C50
5P(UJ)
VC3
C55
2.7P
3
2
3
4
5
6
8
9
7
1
2
3
5
96
4
2
68
IC1
LA1186N
C2
0.001
TC1 VC1
L1
C9
0.0047
C16
0.0047
R1
10
C17
0.022
C10
0.022
R9
22K
220P
T1
R2
33
L2
TC2
VC2
C14
0.022
C29
10/16
R6
820K
C39
0.022
C37
220/10
C36
0.022
R25
120
CF2
IC2
LA1805
L4
TC4 VC4
C21
0.022
T3
CF3
C26
22/16
VR1
6.8KC27
3.3/50
C24
470P
C22
0.0022
C38
0.022
R27
33K
R26
3.9K
C28
0.0015
C8
4P
R7
390
L3
TC3
9
C31
0.022
1
8
7
24 23 22 21 20 19 18 17 16 15 14 13
121110
1
3
4
57
C4
22P
(CH)
C15
0.022
C11
220P
R3
47
C5
33P
C6
15P
(RH)
R5
330K
C20
0.022
VC3
R29
15K
R30
1.2K
C25
3.3/50
T2
C35
1/50
9
C31
0.022
C32
0.022
CNW2
R35
1.8K
1
CNP1
2
3
4
5
6
C33
1/50
C34
1/50
+B
+B
+B
1
2
3
+B
+B
+B
C23
0.0082
OSC
FM
(CH)
(CH)
+B
+B
+B
(CH)
SW1
SW2
FM
MW
SW2
SW1
MW
FM
MW
SW1
SW2
FM
SW2
SW1
MW
FM
MW
SW2
SW1
FM
(CH)
L-CH
R-CH
MIX
OSC
RF AMP
VCC
FM FRONT END
FM
SW1
MW
SW2
BAND
ANTENNA
ROD
BAND
1
2
3
AM IF
1
2
3
MW OSC.
SW1 OSC.
SW2 OSC.
BAND
BAND
BAND
BAR ANT.
MW
SW1
FM IF
BAND
SW2 ANT.
VCO
MPX VCO CK
76kHz
(CH)
COVERAGE
fH fL
COVERAGE
fH fL
MW BAND
SW1 BAND
COVERAGE
fH fL
SW2 BAND
fH fL
SW2
TRACKING
fH fL
TRACKING
SW1
TRACKING
fL fH
MW
TRACKING
fL fH
FM
fL fH
FM BAND
COVERAGE
FW1
VCO
AM/FM
AM RF FM DET MPX-IN
FM IF IN
AM MIX
FM-M/ST
AM
OSC
STB +B
AMAM
OUT IN
GND
DET
OUT
ST
IND
TUN
IND
AGC AM IF
FM/AM IF
OSC
FM DET
FM
FM ANT
MPX VCO
CK 76kHz
RF AMP
MIX
VCC
OSC
FM FRONT END
(CH)
(CH)
B. P. F.
F1
AM BAR ANT.
FM IF
fL
FM
fH
TRACKING
FM BAND
COVERAGEfL
fH
AM OSC.
AM BAND
fL fH
COVERGE
fL
fH
AM
TRACKING
1
2
3
2
31
AM IF
FM/AM IF MPX.
VCO
ANTENNA
ROD
TUNER PWB-B
FW1
P28 4-C
TO MAIN PWB
AM
OSC
STB AM RF +B FM DET AM
OUT
AM
IN
DET
OUT
MPX-IN
FM-M/ST
VCO
AM/FM
ST
IND
TUN
IND
GND
AM IFAGC
AM MIX
FM IF IN
R-CHL-CH
R-CH
L-CH
24 23 22 21 20 19 18 17 16 15 14
13
121110
4
3
2
1
1
2
1
2
PWB-A9
TUNER PWB-B
FM SIGNAL
AM SIGNAL

Sharp GX-CH170X Specifications

General

Brand	Sharp
Model	GX-CH170X
Category	Stereo System
Language	English