QT-CD180 (serv.man4). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams, Printed wiring board assemblies - Sharp Audio Service Manual (repair manual)

Model: QT-CD180 (serv.man4)
Pages: 5 Few pages! See other manuals at the bottom of the first or last page.
Size: 513.39 KB
Type: PDF
Document: Service Manual
Brand: Sharp
Device: Audio / Portable / Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams, Printed wiring board assemblies
File: qt-cd180-sm4.pdf
Date: 2018-11-20

Next: Sharp QT-CD180 (serv.man5) Service Manual

Read Sharp QT-CD180 (serv.man4) Service Manual online

QT-CD180H/QT-CD180W
– 14 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• The numbers   
1 
 to 
 17 
 are waveform numbers shown in page 19.
Figure 14 SCHEMATIC DIAGRAM (1/2)
8
9
10
3
2
2
1
3
F1
IC803
AM IF
FM
DETECTION
AM IF
FM IF
9
8
7
6
5
4
3
2
1
15
11
10
PIN
NO.
VOLTAGE
IC803
3.8V
3.6V
2.1V
2.1V
0V
1.7V
8.3V
0V
2.1V
2.1V
3.8V
3.8V
0V
7.7V
24
23
22
21
20
19
18
17
16
26
25
PIN
NO.
VOLTAGE
0.9V
0.9V
3.8V
3.8V
2.1V
2.1V
8.3V
8.3V
2.1V
2.1V
2.1V
3.8V
3.8V
0V
13
12
14
28
27
AM
TRACKING
fH
fL
TC3
L3
AM BAND
COVERAGE
fH
fL
TC4
L4
FM BAND
COVERAGE
fH
fL
TC2
L2
FM
TRACKING
fH
fL
TC1
L1
9
8
7
6
5
4
3
2
1
12
11
10
PIN
NO.
VOLTAGE
IC1
0.82V(0V)
0V(0V)
0.35V(1.03V)
3.81V(3.82V)
0V(0.13V)
3.92V(3.86V)
3.39V(3.18V)
3.92V(3.86V)
0V(0V)
0V(0.14V)
0.32V(0.32V)
3.14V(3.29V)
21
20
19
18
17
16
15
14
13
24
23
22
PIN
NO.
VOLTAGE
1.22V(1.22V)
1.22V(1.22V)
3.20V(3.14V)
3.14V(3.92V)
0.7V(0.70V)
1.08V(1.01V)
0.4V(1.02V)
3.92V(3.85V)
3.92V(3.86V)
3.92V(3.86V)
3.92V(3.86V)
3.92V(3.82V)
(    ): AM
9
8
7
6
5
4
3
2
1
12
11
10
PIN
NO.
VOLTAGE
IC801
4.84V
2.04V
2.04V
2.12V(0V)
2.11V(0V)
0.18V(0V)
2.84V(0V)
2.41V(0V)
2.05V
4.08V
2.05V
2.08V
21
20
19
18
17
16
15
14
13
24
23
22
PIN
NO.
VOLTAGE
2.86V(0.99V)
2.12V
2.05V
2.05V
2.63V(1.15V)
2.04V
2.07V
2.17V
2.04V
1.47V(0.77V)
0V
2.05V
(    ): CD STOP
3.72V(5.0V)
(  ): CD STOP
1.87V(1.45V)
2.97V
(4.39V)
8.15V
(8.3V)
8.21V(8.3V)
7.48V(7.59V)
(  ): CD STOP
0V(0V)
4.97V(5.0V)
0V(0V)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
IC1
TA2111N 
1
2
2
1
CNS303
CNP303
BEAT
CANCEL
PWB-C
QT-CD180W ONLY
9 10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
9
8
10
12
11
7
6
5
4
3
2
1
DMO 
VCC
REG OUT 
VIN4
VIN3
VIN2
GND
GND 
GND 
VG4
VG3
VG2 
VO2+
VO2–
VO1–
VO1+
VG1 
VIN1
VCC
VO4+
VO4–
VO3–
VO3+
TRB 
MUTE
OPO 
OPI+
OPI–
BIAS
FM
AM
R-CH
L-CH
TRO 
FOO 
FMO 
AM OSC.
FM ANT.
ST
LED
TUN LED
AMRF IN FMRF
OUT
RF GND 
AM OSC.
LPF1
AM/FM
LPF2
VCO
GND 
AM IF IN 
FM IF
IN 
AM
AGC 
AM LOW CUT   
FM ROD
ANTENNA
R-CH(CD)
L-CH(CD)
RF
VCC
FM
OSC
AM
OSC
VCC 
FM
AFC
DET MPX
IN
TAPE
ALC  T
FILTER
VCC 
GND 
NC
NF1
NF2
IN2
IN1
OUT2
OUT1
R
P
R
R 
P
R
P
P 
P
R 
R 
R
R 
L-CH
R-CH
ERASE  HEAD
TAPE
AM
FM
CD
CD
TAPE
FM OSC.
AM ANT.
FM
OSC.
L-CH
R-CH
FMRF IN
MIX
OUT  
FM DET 
P
PU-IN 
+ 
+ 
– 
–
SP+
SP–
SL+
SL–
PU-IN
LD
K 
E 
E
K
LD
VR
PD
G 
B 
B
A  
F 
F
C 
TR+
TR–
FO+
FO–
R–
R+
F+
F–
PICKUP  UNIT
CD MOTOR PWB-B
FC– 
FC+ 
TR– 
TR+ 
GND 
PD
VR
LD
GND
K
F
B
E
A
VCC 
FNI 
FPI 
TPI 
TNI 
MDI 
LDO 
SEL 
TEB 
2VRO
TEN 
TEO 
RFN
GND
RFO
AGCI
RFGC
RFGO
RFIS
RFRP
VRO
FEN
FEO
SBAD
MON 
SLT–
SLT+
FM–
FM+ 
DM– 
DM+ 
13
17
16
15
14
12
8 
9 
10
11
2
1
3
16 17 18
4
6 5 4
9  8  7 
3 2 1
2
1
3
4
3
2
1
2
1
3
M
19 20 21
5
M
1
1
2
3
22 23 24
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
8
7
6
4
5
1
2
3
8
7
6
4
5
1
2
3
8
7
6
4
13 14 15
12 11 10
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
P
P
SWITCHING
0.0022
1M 
1M 
0.0022
SWITCHING
1
2
3
SW102-D 
SW201-B 
SW201-C 
SW102-E 
SW102-H 
IC801 
SW102-C 
SW102-B 
SW102-G
SW102-F 
SW102-A
IC101
BA3311L
BIAS OSC.
RECORD/
PLAYBACK HEAD
4.67V
4.62V
0V
1.89V
0V
0V
0V
0.6V
0V
0V
0.6V
A
B
CNS802
BI802 
CNS801
BI801
BI803
CNP803
CNS803
M701
SLED
MOTOR
M702
SPINDLE
MOTOR
Q801
KTA1266 GR 
C802
0.022
C817
100/10
R802
2.2K
C801
0.01
R811
22K
IC801
SERVO 
PRE AMP.
 TA2109F 
C804
2P(CH)
R804
68K
R805
39K
R807
1K
R806
2.7K
C820
0.1(ML)
C818
56P
C819
0.1(ML)
C822 0.047
C821
100/10
R803
82K
R852
2.2K
R851
2.2K
C807 0.047
C856
0.001
C806
330/16
C805
0.022 
L3
AM BAR
ANTENNA
C21
2P(CH)
C2
18P(CH) 
C3
22P
(UJ)
R2
2.7K
C4
4P(CH)
C6
330P
C7
2.2/50
R5 3.3K
C10 1/50
C9
0.1/50
C11
0.47/50
R1  330 
R3
220K
C12
4.7/50
C14 0.022 
C13
220/10 
T3
CF3
460kHz 
CF1
10.7M
T2
FM BAND
BASS
FILTER
C1
0.022 
C20
 0.047 
D1
1N4148
R103
12K
C105
0.0027
R105
10K 
R104
12K
R102
150
R101
150
R109
120
C109
270P
C113
47/16
R113
8.2K
C115
0.018(ML)
R115
3.9K
R117
3.9K
C121 0.01
R119 3.3K
C117 10/16
R107
1K
C107
820P
C111
330P
C106
0.0027
R106
10K 
C110
270P
C114
47/16
C116
0.018
(ML)
R114
8.2K
R116
3.9K
R118
3.9K
C118
10/16
D102
1N4148
R120 3.3K
C120 47/16
C119 2.2/50
D101
1N4148
C123
220/10
R125
680K
C122 0.01
R122
1K
R121
1K
R126
100
C351
0.0022
(ML)
C352
100/10
L301
C354
0.022(ML)
R351
100
R35
150
R820 47K
L802
0.82
µ
H
R827
15K 
C830
0.01(ML
C829
0.0047
C828
0.0027 
R828
10K 
C833
0.033(ML)
C854
0.0068
R812
1K
R829
3.3K
R831
3.3K
R833
3.3K
C
0.
C838   0.047(ML)
C837   0.047(ML)
C835   470P
C836   0.047(ML)
C839   0.047(ML)
C834
470P
C842
0.047
C843
47/16
C841
0.047
C863
47/16 
C832
47/16 
D801
1N4004
Q803
KRC107 M
Q802
KTA1273 Y
R850
1.5K
R456
39K
R455
39K
R211 33K
COR1
CORE
R6
100
R7
120 
R11 6.8K
R10 6.8K
C22
0.1/50 
C15
10P(CH)  
CNP101
CNS101
R110
120
R108
1K
C108
820P
C112
330P
IC803
FOCUS/TRACKING/
SPIN/SLED DRIVER
MM1469XH 
R853
2.2K
C814
0.047
C813
47/16 
R801
22
C816
0.022
C815
47/16
L4
L1
FM RF
L2
R9 10K 
R8 10K 
C17  1/50
C19  0.015(ML) 
C16  1/50
C18  0.015(ML)
D2
1N4148
R4
2.2K
C8
0.1/50
C826
47P
C825
47/16 
0.
SW702
PICKUP IN
SW102
RECORD/
PLAYBACK 
TC4 
VC2 
TC3 
VC1 
VC3 
TC1 
VC4 
TC2 
RECORD/
PLAYBACK 
SW201
FANCTION
SELECTOR
SW
RE
PLA
SW102
RECORD/
PLAYBACK 
IC1
FM/AM IF MPX.
TA2111N 
IC101
REC/P.B. 
EQUALIZER AMP.
BA3311L
SW102
RECORD/
PLAYBACK 
C355
220P
SW303
BEAT
CANCEL

QT-CD180H/QT-CD180W
– 15 –
Figure 15 SCHEMATIC DIAGRAM (2/2)
7
8
9
10
11
12
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
12
13
5
7
6
1
11
15
14
4
17
16
VOLUME
OPEN/CLOSE 
RECORD SIGNAL
PLAYBACK SIGNAL
CD SIGNAL
FM SIGNAL
AM SIGNAL
50
51
52
53
1.50V
0V
2.10V
2.10V
4.98V
2.10V
2.10V
2.73V(1.15V)
2.30V(2.1V)
2.94V(0.989V)
2.14V
2.14V
2.18V
2.11V
2.10V
2.14V
2.10V
2.10V
2.17V
4.18V
2.47V(0V)
4.97V
0V
0V
2.08V
2.57V
4.92V
0V
2.48V
2.37V
98
99
2.33V
0V
0V
0.56V
0V
0V
0.56V
8.35V
8.02V
4.27V
8.01V
9.05V
4.33V
4.67V
0V
5.08V
9.05V
8.44V
8.44V
4.96V
4.39V
0V
3.32V
0.68V
V)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
(   ): STOP
SW651
VOLTAGE
SELECTOR
AC220-240V
AC110-127V
SO651
AC INPUT SOCKET
AC110V-127V/
     220V-240V,
     50/60Hz
T651
POWER
TRANSFORMER
AC/DC SELECTOR
AC  INPUT
FOR QT-CD180W
5
1
5
1
4
2
3
F651
T1.25A L
250V
For Philippines; 
              AC220V,60Hz
Except for Philippines;
              AC230-240V,50Hz
FOR QT-CD180H
AC/DC SELECTOR 
ON
ON
OFF
OFF
8
7
6
5
4
3
2
1
9
8
7
11
10
13
14
12
6
5
4
3
2
1
 
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
8
7
6
5
4
3
2
1
FM
AM
R-CH
L-CH
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
POWER PWB-A4
GND(AUDIO)
GND(POWER)
GND(CD) 
SPEAKERS
+5V(CD) 
– 
+ 
TAPE
AM
FM
CD
CD
FM
AM
TAPE
AC  INPUT
– 
– 
+ 
+ 
VOLUME
R 
TAPE
AM
FM
CD
CD
TAPE
PUSEL2
DISPLAY
TRAY  CLOSE
MVSS1
MVDD1
CDSEL0
SEG1
COM1
MVDD
MVSS
MXI 
MXQ 
REMO-IN 
RYNCREC 
RESET 
DVSL
LO
DVRL
DVDD
DVRR
RO
DVSR
TEST0
SPCK
SPDA
COFS
DOUT
SBSY
SBOK
VDD1
VSS1
P2VREF
PDO
TMAX
LPFN
LPFO
PVREF 
VCOF
AVSS
SLCO
RFI 
AVDD
RFCT
RFZI
RFRP
FEI 
SBAD
TEI 
TEZI
FOO 
TRO 
VREF
RFGC
TEBC
FMO 
DMO 
2VREF 
SEL 
VDD2
VSS2
XI
XO
XVDD
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
DOOR  IN
DOOR  OUT
ADIN1
ADIN2
MUTE
PU  IN 
TEST1
TEST2
TEST3
TEST4
TEST5
/HSO
CDSEL1
TRAY  OPEN
PUSEL0
PUSEL1
XVSS
COM2
COM3
COM4
NC
NC
CD CONTROL PWB-A3
6
2
3
4
5
10
1
10
1
19
23
22
21
20
13
17
16
15
14
12
8 
9 
10
11
M
1
2
2
1
1
2
3
1
2
3
12 11 10
P
REGULATOR
SW201-A
VOLUME
PWB-A2
– 
+ 
– 
+ 
SW201-D
REGULATOR
RECORDING
BIAS OSCILATOR
SW102-D 
SW201-B 
SW201-C 
MAIN PWB-A1
BIAS OSC.
BATTERY
DC  9V[ "D" SIZE
(UM/SUM-1,R20  OR  HP-2)
BATTERY x 6]
R-CH
4 OHM  
L-CH
4 OHM 
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
2.49V
0V
0V
0V
0V
4.98V
0V
0V
0V
0V
4.98V
0V
4.98V
4.98V
0V
4.97V
0V
0V
0V
0V
0V
0V
0V
0V
0V
4.97V
2.49V
0.43V(2.36V)
1.66V
2.46V
0V
4.97V(0V)
4.98V
0V
4.18V
2.10V
2.08V(0V)
2.10V(1.34V)
2.01V(4.12V)
2.10V
82
83
4.72V
84
2.36V
2.47V
0V
0V
0V
4.95V
0V
4.96V
4.96V
0.30V
0V
4.96V
2.33V
2.33V
2.33V
HEADPHONES
PWB-A5
5
1
5
1
X-BASS PWB-A6
1
3
2
6
7
4
5
2
C352
100/10
L301
C354
0.022(ML)
R351
100
R352
150
C353
0.0056(ML)
R353
33K
R354
4.7
Q351
KTC3199 GR
SW201
FANCTION
SELECTOR
Q204
KTA1046 Y
D202
1N4148
Q205
KTC3199 GR 
R203 560
C204 0.022
ZD201
DZ5.1BSB 
C203 0.01
C202
47/16
D203
1N4148
R201
2.2K
R202 4.7K
D201
1N4148
C218
0.0015 
R220
2.7K
C241 47/16 
VR201-B
20K(B)  
C216
0.15/50
C222 0.001
C220
0.039(ML)
C236 100/10
R232 120 
R231 120
C225 100/10
VR201-A
20K(B)
C217
0.0015 
R219
2.7K
R221
1K
C221 0.001 
C219
0.039
(ML)
C235 100/10
C226
0.022
C227
2200/16
C234
470/10
C238
100/10
C240
0.15
(ML)
C239
0.15(ML)
C237 100/10
C233
470/10
CNP201
CNS201
CNS602
CNP602
C652 0.022
D653
1N4004
D654 1N4004
C654 0.022
D652
1N4004
D651
1N4004
C653 0.022
C651 0.022 
T651
POWER
TRANSFORMER
SP202  
FW806
LCD801
LCD DISPLAY
R848
2.2K
R849
6.8K
R847
1K
SW804
TRACK UP/
CUE
SW803
TRACK
DOWN/
REVIEW
SW802
STOP
SW801
PLAY/
PAUSE
R846 330 
R844
3.3K
R862
22K
C824
0.022
R861
3.3K
R843
3.3K
R821
22K
C823
0.022
R824
10K
R826 220K
R820 47K
R827
15K 
C830
0.01(ML)
C829
0.0047
C828
0.0027 
R828
10K 
C833
0.033(ML)
C854
0.0068
R812
1K
R830
10K
R829
3.3K
R831
3.3K
R833
3.3K
R834
3.3K
R832
3.3K
C840
0.047
X801
16.93MHz
R840
10
C845
0.047
7(ML)
7(ML)
P
7(ML)
7(ML)
R860
100
C857
0.01
C844
100/10
C853
0.022 
R836 270
C852 3.3/50
C850 0.0022 
C849 0.0022 
R835 270
C851 3.3/50
R837
10K
R838
10K
C848 22/16
C847
22/16
C846
1/50
R839
47K
C855
0.022
IC802
SERVO/
SIGNAL
CONTROL
TC9457F0 
D801
N4004
R456
39K
R455
39K
L801
0.82
µ
H
R215
2.2K
R216
2.2K
R210
33K
R211 33K
SW810
CD  LID 
826
7P
C825
47/16 
C827
0.015(ML)
C215
0.15/50 
R222
1K
IC201
POWER
AMP.
TA8227P
SW201
FANCTION
SELECTOR
SW102
RECORD/
PLAYBACK
SW201
FUNCTION
SELECTOR
SW601
TAPE
MAIN
M601
TAPE
MOTOR
SP201 
SO651
AC INPUT
SOCKET
C213
0.1/50
R217
22K
SW302-A
X-BASS
C303
0.22/50
R302
2.7K
C214
0.1/50
C304
0.22/50
R304
2.7K
SW302-B
X-BASS
HPJ201
HEADPHONES
R227
120
R226
120
CFW302
CFW202
R218
22K

QT-CD180H/QT-CD180W
– 16 –
Figure 16 WIRING OF P.W.BOARD (1/2)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
1
5
10
12
13
15
20
24
7
10 20
8
14
15
21
22
13
15
20
24
1
1
1
2
2
3
3
1 2 3
5
10 12
1
5
8
1
5
25
28
1
1
6
1
1
2
3
4
5
6
7
8
10
1
2
3
1
2
1
2
3
14
4
5
6
12
11
10
13
9
8
7
E
C
B
E C B
E
C
B
1
2 3
E
C
B
1 2 3 4
B
C
E
C216
C218
R220
VR201-B 
R219
C217
C215
D201
C240
C241
C238
C236
R232
R222
C220
R221
C222
C221
IC201
C227
C233
C239
C226
CNP602
CNP201
C219
R231
C235
C225
C237
R455
R456
C204
R203
D202
D203
Q205
R202
C203
R210
ZD201 
R201
C202
R215
R211
R216
C234
Q204
SW201 
L801
R837
C851
C849
C852
R835
R838
C848
C850
R836
C847
C844
C853
C846
C855
X801
C840
C845
R840
C832
R860
C857
IC801
C820
C863
C829
R829
C819
R830
R831
R807
R833
C818
R832
R834
C836
C821
C854
L802
C837
R812
D801
Q803
R850
Q802
C822
C813
R803 C814
R811
R806
R851
R852
C842
C839
C838
R824
R820
C841
C830
R805
C828
BI802 
C804
C816
R802
C801
R804
C815
C802
BI801 
Q801
C817
R801
C835
C834
R853
C807
IC802
R839
R862
R844
R846
C824
R861
CNP101
C843
R821
C825
R843
C823
R826
C827
R827
C826
C833
R828
FW806
IC101
R109
C111
C112
R110
C110
C116
R114
R102
C106
R106
SW102 
C107
R101
R107
C105
R105
R104
R103
R113
R115
C115
C113
C117
R121
C120
C109
R108
C108
IC1
C14 
C11 
R3
C15 
C12 
CF3 
CF1
R1
R126
COR1
C352
R351
R10 
T2
R11
R8
R9
C13 
C16 
C17 
R117
R119
D101
R125
C121
R7
L1
C2
C3
F1
R4
D2
C22 
R6
C123
L4
C21 
R2
L2
C4
C1
C8
C18 
C10
C9
R5
C20 
C19 
C6
C7
LCD801
FW806
SW804
TRACK UP/
CUE
R849
SW801
PLAY/
PAUSE
SW802
STOP
R848
R847
SW803
TRACK
DOWN/
REVIEW
IC803
BI803 
D102
C114
C122
C119
R120
R122
C351
R118
C118
R116
C805
C806
C856
Q351
R354
C353
R353
C354
R352
L301
T3
VOLUME
VR201-A 
VR201 
A 
D 
B 
C 
1
5
10
15
20
25
30
31
35
40
45
50
51
55
60
65
70
75
80
81
85
90
95
100
A 
B 
C 
D 
H 
G 
F 
E 
1
2
3
4
5
6
7
8
9
10
11
12
D1 
VC4
TC4
VC3
TC3
VC2
TC2
VC1
TC1
SW102
RECORD/
PLAYBACK 
PLAY
REC.
1
10
CNS802
CNS801
1
5
ERASE
HEAD(242-5)
BK
MAIN PWB-A1
CD CONTROL 
PWB-A3
L3
AM BAR ANTENNA
OPEN/CLOSE
SW810
CD LID
BR
BR
YL
RD
BK
BK
WH
WH
WH
WH
BK
WH
WH
WH
WH
WH
WH
WH
GY
GY
GY
GY
GY
WH
1
2
3
4
5
8
7
6
5
4
3
2
1
SW201
FUNCTION
SELECTOR
CD
TAPE
STAND-BY
ON
FM
AM
VOLUME
PWB-A2
BL
BL
CNS803
WH
GY
GY
GY
GY
GY
1
2
3
4
5
6
C213
R302
C303
SW302
X-BASS 
R217
R218
C304
R304
C214
CFW302
CFW302
1
5
CFW202
X-BASS PWB-A6
1
5
CNS101
BK
WH
RD
BK
1
2
3
4
BK
BK
RD
WH
RECORD/
PLAYBACK
HEAD(242-4)
TAPE
BK
GND
A 
B 
OFF
ON
Lead Wire
QT-CD180H
ONLY

QT-CD180H/QT-CD180W
– 17 –
Figure 17 WIRING OF P.W.BOARD (2/2)
7
8
9
10
11
12
• The numbers   
1 
 to 
17 
 are waveform numbers shown in page 19.
GND 
+B
IC802
1
5
10
15
20
25
30
31
35
40
45
50
51
55
60
65
70
75
80
81
85
90
95
100
1
5
10
12
13
15
20
24
IC801
7
10 20
8
14
15
21
22
1
5
25
28
IC803
C651
C652
C654
D651
D654
D652
D653
C653
C355
SW702
PICKUP IN
M702
SPINDLE MOTOR
M701
SLED MOTOR
CNP803
F3895AF
1
5
F651
T1.25A L 250V
A 
B 
1
2
1
2
CNP303
SW303
SW303
BEAT
CANCEL
CNS602
FM ROD ANTENNA(238)
B R
COLOR  TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
T651
POWER
TRANSFORMER
(233)
(232)
BATTERYS
DC9 V [ "D" size
(UM/SUM-1,R20 or HP2)
 battery x 6 ]
1
5
4
3
2
1
7 8
6
5
4
3
2
1
PICKUP UNIT
CD MOTOR
PWB-B
POWER PWB-A4
BK
RD
YL
YL
BK
RD
RD
SO651
AC INPUT SOCKET
2
(235)
2
3
12
13
8
10
4
5
1
6
14
15
11
16
17
7
9
BEAT CANCEL PWB-C
SPEAKERS
SP201
L-CH
SP202
R-CH
CNS201
BL
BK
GY
3  2  1
BK
BK
GY
BL
BR
RD
1
2
3
4
5
6
CNS303
BK
BR
R226
R227
CFW202
HEADPHONES PWB-A5
YL
M601
TAPE MOTOR
(242-6)
SW601
TAPE MAIN
(242-7)
RD
BK
BR
TAPE
SW651
VOLTAGE SELECTOR
AC220V-240V        AC110V-127V
For QT-CD180W
AC110-127V/
AC220-240V,
50/60Hz
RD
WH
BL
RD
WH
BL
T651
POWER
TRANSFORMER
RD
RD
RD
RD
SO651
AC INPUT SOCKET
For Philippines; 
AC220V,60Hz
Except for Philippines; 
AC230-240V,50Hz
For QT-CD180H
HPJ201
HEADPHONES
6
1
2
3
4
5
7
QT-CD180W
ONLY

Display

Download Sharp QT-CD180 (serv.man4) Service Manual (Repair Manual)

Here you can read online and download Sharp QT-CD180 (serv.man4) Service Manual in PDF. QT-CD180 (serv.man4) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp QT-CD180 (serv.man4) Portable. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

Found More:

QT-CD180 (serv.man4) Service Manuals

Download	Pages	Size
QT-CD180 (serv.man3) Part 1 - text Service Manual	13	780.14 KB
QT-CD180 (serv.man5) Part 3 - Waveforms, Troubleshooting tables, IC tables Service Manual	10	995.69 KB
QT-CD180 User Guide / Operation Manual	12	469 KB
QT-CD180 (serv.man2) Parts Guide	8	210.17 KB
QT-CD180 (serv.man6) Specification	1	16.7 KB

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