DOWNLOAD Sharp CD-CH1500 (serv.man9) Service Manual ↓ Size: 5.95 MB | Pages: 72 in PDF or view online for FREE

Model
CD-CH1500 (serv.man9)
Pages
72
Size
5.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-ch1500-sm9.pdf
Date
PREV: Sharp CD-CH1500 (serv.man8) Service Manual

Sharp CD-CH1500 (serv.man9) Service Manual ▷ View online

– 29 –
CD-CH1500H/CD-CH1500W
Figure 29 SCHEMATIC DIAGRAM (8/14)
7
8
9
10
11
12
6
1
2
4
5
7
3
7
5
4
8
6
3
2
1
PICKUP UNIT
3
4
5
6
1
2
CAM SWITCH
 
PWB-G
TRAY SWITCH
 PWB-F
TE
IC5
R73
8.2K
R37 
33K 
C67
0.001
C51
100/10 
C29
0.022  
C96 100P 
C36
27P
Q1
2SC1740 R
C34
22P
C40
0.1(ML)
R42
56K
C33
0.022
C32
0.022
R44
68K
C97 100P 
C98 100P 
C99
100P 
C93 100P
C94 100P
C95 100P
C58 100P
C59 100P
C60
100P
CNP3
CNP2
L7
0.82
µ
H
R74
8.2K
R71
10K
R72
10K
R78
8.2K
R77
8.2K
R76     10K 
R75     10K
R50     
1.2K
R49      1.2K
R46
1.2K
C42 0.0068
R43
820
C49
0.1
C50
0.1
CNP4
CNP6
C46
0.022  
C45
470/10 
C48
100/10 
R47
10K  
R38
1K
C38
10/50 
C37
0.022  
Q3
2SD2012
DZ2
MTZJ3.9B 
Q4
KTA1266 GR 
C44
220/10 
R48
10 
C47
100/10 
R53
68K
R51
68K
R57     47K  
R55     68K  
R56     68K
R54     47K 
C43 0.022
R35
1K
R40 100
C39
3.9P
R36
2.2K
R39 10K
C30
47/10
R31
10K 
L2
0.82
µ
H
C31 220/10
8
22
C27
0.0047
C41
0.1(ML)
CNP5
CNP7
IC6
TA2147F
SERVO PRE
AMP.
SWB110 TRAY 2
SWB109 TRAY 1
SWB103
DISC DETECT 3
SWB104 MODE 1
SWB105 MODE 2
SWB106 MODE 3
SWB101
DISC DETECT 1
SWB102
DISC DETECT 2
CNS5B
SWB108 MODE 5
SWB107 MODE 4
R41
3.3K 
R45
8.2K
IC5
BA5939S
FOCUS/
TRACKING/
SPIN/
SLED DRIVER
CNS7A
CNS7B
CNS5A
NSW1
PICKUP IN 
NM2
SLED 
MOTOR
NM1
SPINDLE 
MOTOR
CNS6A
CNS6B
CNS4
MOB1
MAIN CAM
MOTOR 
MOB2
TRAY  MOTOR
FW3
FW2
CNP6A
Q5
KRA102 M 
8.6V
3.3V
4V
0V
0V
0V
0V
0V
0V
0V
4V
4V
4V
4V
4V
4V
4V
4V
4.3V
4.3V
8.6V
8.6V
4.3V
4.3V
8.6V
8.6V
8.6V
8.6V
1.7V
1.7V
1.7V
1.7V
1.7V
7V
1.7V
1.7V
1.7V
2.3V
2.7V
1.5V
3.3V
0V
0V
0V
0V
0V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
0.7V
2.7V
4V
0.8V
1.2V
2.4V
1.1V
0.3V
4V
4V
24 
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
GND 
RFN 
RFO 
AGCI
RFGO
RFIS
RFRP
FEN 
FEO 
VRO 
GVSW
SBAD
TEO
TEN
RFGC
TEB
SEL
FNI
FPI
TPI
TNI
MDI
LDO
32 31 30 29 28 27 26 25 24 23  22  21  20  19  18  17  
16  
15  
14  
13  
12  
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
MUTE
PREVCC
LEVEL  SHIFT 
BIAS
BIAS
POWVCC
LOADING2
VCC
LEVEL
SHIFT  LEVEL
SHIFT  
LEVEL  SHIFT 
LOADING1 VCC 
VREFSW
BIAS
PREVCC
POWVCC
BIAS
BIAS
LEVEL
SHIFT   LEVEL
SHIFT  
8 
7 
6 
5 
4 
3 
2 
1 
CANB_A
CANA_E
CANA_D
CANA_C
CANA_B
CANA_A
CANB_B
1
8
4 
3 
2 
1 
TRAY_A
TRAY_B
1
TRAY_C
4
3
2
1
1
2
3
4
+ 
– 
+ 
– 
M
M
6
5
4
3
2
1
SP+
SP–
GND
PU-IN
SL–
SL+
SP–
SP+
– 
– 
+ 
+ 
M
M
5
4
3
6
2
1
3
4
5
6
1
2
GND
PU-IN
SL–
SL+
8
7
6
5
4
3
2
1
TR+
FO+
LD
VR
PD
GND
TR–
TR–
GND 
PD
FO–
FO+ 
TR+ 
ACTUATOR
TR–
FO–
FO+ 
TR+ 
3
1
7
8
6
5
4
2
7
5
4
8
6
3
2
1
LD
VR
FO–
–
– 
–
– 
– 
+ 
+ 
+ 
+ 
+ 
VCC 
LD
MON 
GND 
E 
A 
B 
F 
C 
1/2VCC
7
6
5
4
3
2
1
C
F
E
VREF
+5V 
1/2V
E 
A 
B 
F 
C 
3
4
5
7
1
2
6
6
1
2
4
5
7
3
+5V
A
B
LTOH41M1
VCC
RF
10
TP12
TP14
FE
+B 
+B 
+B 
+B 
+B 
+B 
4
GND(D)
GND(D)
SWITCHING
CONSTANT 
VOLTAGE
LASER
DRIVER
CD MOTOR
PWB-E
10
9
8
2
3
CD-CH1500H/CD-CH1500W
– 30 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
Figure 30 SCHEMATIC DIAGRAM (9/14)
2
1
3
2
1
3
PB_MUTE
S-MUTE
VSM
C2B_DI
C2B_CE
C2B_DO
C2B_CL
D_GND
S-MUTE
PB_MUTE
X
W
U
V
R
S
T
O
P24  5 - H
TO MICOM SECTION
C599 0.001
R582
22K
C566
22/50
Q508
DTC363 TS
Q507
DTC363 TS
C550
22/50
R542
1.5K
R552
47K
R538
1K
C534
47P(CH)
C532
100P(CH)
C537
0.1
C536
10/50
R537
1K
C533
47P
(CH)
R551
47K
C551
22/50
R541
1.5K
C531
100P(CH)
C535
0.1
C530
10/50
JK501
AUX IN 
C523
1/50
R550
39K
C525
1/50
C527
1/50
C517
1/50
C515
0.0027(ML)
C519
1/50
C521 1/50
R531 3.9K
R533 3.9K
C522
1/50
C524
1/50
C526
1/50
C528
1/50
C518 1/50
C520
1/50
C516
0.0027(ML)
C512
0.1
C514
0.1
R530
3.9K
R534
3.9K
R532
3.9K
R528
2.2K
C510
10/50
C529
10/50
R526
1K
D508
DS1SS133
D507
DS1SS133
C562
0.1 
L501
2.2
µ
H
L502
2.2
µ
H
C541
390P
C540
390P
R549
39K
C573
2.2/50
C574
2.2/50
R548
2.2K
R547
2.2K
R592
47K
R591
47K
R543
47K
R544
47K
Q509
KRA107 M
R539
10K
R540
10K
R512
8.2K
R511
8.2K
R513
1.2K
R514
1.2K
C503
22/50
R507
22K
Q502
KTC3199 GR
C502
0.001
R504
2.2K
Q501
KTC3199 GR
C501
0.001
R503
2.2K
R502
330
R525
1K
R524
1K
R501
330
R535
47K
R536
47K
C564
0.1
C563
10/50
C511
0.1
R529
3.9K
C513
0.1
R527
2.2K
C509
10/50
IC502
LC75341
AUDIO PROCESSOR
IC503
NJM4558M
MOTOR DRIVER
C597
0.0027
C598
0.0027
D502
DS1SS133
D501
DS1SS133
D503
DS1SS133
D504
DS1SS133
0V
0V
10V
10V
0V
0V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
0V
2.6V
2.6V
0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
0V
10V
0V
0V
0V
0V
0V
0V
3.6V
3.6V
8.2V
R-CH 
L-CH
CHASSIS
GND 
–
–
+
+
–
–
+
–
+
–
+
+
–
+
–
+
CD_R 
TUNER_R 
TAPE_R
AUX_R 
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ROUT
LBASS
LSEL0
CCB
INTERFACE
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LOUT
VSS
CE
DI
AUX
DECK
TUNER
CD
2
3
1
A_GND
A_+B
A_GND2
A_-B
R_CH
L_CH
P24  5 - H
TO MICOM SECTION
P22  1 - F, P23  7 - G
TO TUNER SECTION
A_GND
TUN_L
TUN_R
A_+B
D_GND
VSM
C2B_DO
C2B_CL
C2B_DI
C2B_CE
CD_L 
TUNER_L 
TAPE_L
AUX_L 
A_GND
REC_RCH
REC_LCH
TAPE_L
TAPE_R
P25  10 - H
TO MICOM SECTION
P24  4 - H
TO MICOM SECTION
CD_R
CD_L
A_GND
8
7
6
5
4
3
2
1
–
+
+
–
a b c d e f
g h i
j
k
l m n
IC503
L M N K H E G F I
J
MAIN PWB-A (2/3)
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
CD SIGNAL 
AUX SIGNAL 
RECORD SIGNAL 
PLAYBACK SIGNAL 
FM SIGNAL 
SWITCHING
SYSTEM MUTE 
SYSTEM MUTE 
CD-CH1500H
ONLY
CD-CH1500H
ONLY
– 31 –
CD-CH1500H/CD-CH1500W
Figure 31 SCHEMATIC DIAGRAM (10/14)
7
8
9
10
11
12
POWER PWB-D3 (2/2)
TO POWER SECTION
1 2 3 4 5 6 7
IC101
RECORD  SIGNAL 
PLAYBACK  SIGNAL 
CNS940
P25   9 - H
FROM MAIN PWB
P32  1 - F, P34  1 - F
TAPE MECHANISM
ASSEMBLY(2/2)
1 2 3 4 5 6
1 2 3 4 5 6 7
1 2 3 4 5 6
ERASE
HEAD
RECORD/ 
PLAYBACK
HEAD
R-CH L-CH
R156
33K
R155
33K
Q119
DTC363 TS
Q120
DTC363 TS
R102
2.2K
R101
1K
R103
2.2K
C103
10/16
R105
100
IC102
BA3126N 
HAED
SELECTOR
Q101
KRA107 M
R104
5.6K
Q102 KTC3199 GR
R154
47K
C141
1/50
C140
1/50
C105
560P
C101
180P
CNP102
C104
560P
R143
82
R114
330
R137
10K 
R141
47K
C138
0.0033
C130
1/50
C135
0.047(ML)
C137
0.0082
C111 47/25
R117
56
C119
1/50
C113
560P
C107 0.033
R125
5.6K
R119
100K
R121
3.9K
C110
47/25
C112
560P
C120
1/50
R124
5.6K
C106
0.033
R109
15K
R132
1.5K
C126
22/50
R134
100 
C116
3.3/50
R131
6.8K
Q116
KTC3203 Y
C127
0.0033
C132
220/16
C131
22/50
R135
100
R128
68K
C118
0.022
R138
10K
C123
0.022
R150
6.8K
R116
56
C102
180P
C129
1/50
C121
270P
R148
4.7
R136
10K
R133
1.5K
L104
330
µ
H
R149
15K
Q114
2SA1015 GR
R153
47K
R147
4.7K
Q115
KRC104 M
R130
1K
R126
15K
R127
15K
R129
1K
R118
100K
L102
560
L101
560
C108 330P
C109
330P
R120
3.9K
C125
22/50
C122
270P
C124
0.022
R144
220
R139
22K
R115 330
C134
47/25
C133
0.039(ML)
CNP101
CNS101A
CNS101B
IC101
AN7345K
PLAYBACK AND 
RECORD/PLAYBACK
AMP.
11.3V 
0V
0V
0V
0V
0V
0V
11.3V 
11.3V 
1
2
3
2
3
1
3
1
2
3
1
2
SWITCHING 
SWITCHING 
BIAS OSC. 
REC MUTE 
REC MUTE 
0V
0V
0V
0V
3.7V
3.7V
6.8V
4V
0V
0V
0V
3.3V
3.3V
0.5V
0.5V
0V
0V
1.9V
0.5V
0V
0V
0V
0V
0.5V
1.9V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
9V
0V
10V
10V
9 
8 
7 
6 
5 
4 
3 
2 
1 
1 2 3 4 5 6 7 8
REC_MUTE
REC_CONT
REC_L-CH 
REC_R-CH 
A_GND 
TAPE_R-CH
TAPE_L-CH
REC_BIAS
A_+10V
M_+11V
BIAS_GND
A_GND 
A_GND 
M_GND 
ERASE 
T2_R2 
T2_R1 
T2_L1 
T2_L2 
0V
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8 
7 
6 
5 
4 
3 
2 
1 
L-CH
L-CH
R-CH
R-CH
Vcc
ALC 
GND 
ALC 
RIPPLE
Nor/CrO2
–
+ 
–
+ 
Hich=T1 
+ 
+ 
–
–
Hich=CHROME 
56K 
112K
56K 
112K
A B C D
+B
+B
+B
+B
+B
+B
Q101, Q102: SWITCHING
FOR CD-CH1500W ONLY
FOR CD-CH1500H: JUMPER
FOR CD-CH1500W ONLY
FOR CD-CH1500H: JUMPER
CD-CH1500H/CD-CH1500W
– 32 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
Figure 32 SCHEMATIC DIAGRAM (11/14)
CD-CH1500H
A
B
C
D
+B
+B
+B
+B
5 
4 
6 
1 
2 
3
5 
4 
6 
1 
2 
3
+B
+B
+B
+B
+B
+B
+B
+B
1 
2 
3 
4
5
6
7
8 
9 
10
11
12
13
14
15
10
1
2
3
4
5
6 7
8
9
11
1 2 3 
+B
+B
+B
IC802
BI950
P25  8 - H
TO MAIN PWB
BI960
P24   6 - H
TO MAIN PWB
6 
5 
4 
6 
1 
2 
3
5 
1 
3
4
6
2
FM  SIGNAL 
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
+B
+B
-B
+B
-B
+B
-B
+B
+B
-B
-B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
A_+10V
A_GND 
M_+10V
BIAS_GND
P31  9 - A
TO DECK SECTION
D_GND
FAN_CTL 
D_GND
-8V
AC_RLY  CTL
UN_SW  5V
SP_RLY
SP_DET
8 
3 
4 
6 
1 
7 
2 
5 
A_GND2
CD_GND
M_GND
CD_+B
M_10V
A_GND
A_+10V
M_10V
M_GND
CD_GND
CD_+B
A_GND
A_+10V
A_GND2
R-CH
L-CH
15  
14 
13  
12 
11  
9 
8 
6 
7 
5 
4 
3 
2 
1 
10  
+
+
–
–
–Vcc
+Vcc
Ch1
Ch2
Ch2
Out
Out
Ch1
8 
7 
5 
4 
3 
2 
1 
+ 
+ 
– 
– 
3 
2 
1 
Ch1
Out
Ch2
Out
Ch1
–
+
+Vcc
–Vcc
1 2 3 
1 2 3 
Q813
KRA107M
Q812
KRC107M 
C844
3.3/50
1
2
3
1
2
3
Q809, Q810: VOLTAGE REGULATOR
C247
47/50 
C226
220P(CH)
C227
2.2/50
R204
820 
LED801
K5052UL 
R836
270 
RP807
0.7
Posistor
R835
56
R834
56
FR252
100(1/4W)
Fusible  
CNP807
FR213
100(1/4W)
Fusible 
FR214
100(1/4W)
Fusible  
R830
100 
CNP805
BI804
D802
DS1N40
C2
100
C209 100/50
C821
100/25
C820
0.047
(ML) 
C822
10/50 
C252
2200/50 
C253
3300/63 
R803
22K
R821
470 
C838
220/16
Q810
KTC3199 GR 
DZ804 
MTZJ10B
R822
1.5K
C840
0.022 
C837
0.022 
RP803
0.7
Posistor
C839
100/16
R820
470 
R807
22K 
C815
0.1 
C814
47/25 
C816
0.1 
C817
6800/25
Q805
KTC2026 
C807
0.047
(ML) 
R806
22K 
C810
22/50 
C230
0.15
C229 0.15
C221
0.015(ML) 
C222
0.015(ML) 
C213
0.022 
C217
100P
(CH)
C211
0.15(ML)
C212
0.15(ML)
C207
0.15
CNP806
DZ803
MTZJ9.1B 
Q806
KTA1046 Y
C819
470/25
IC202
STK40204(2Ch)
POWER AMP.  
C238
100/50
D204
DS1SS133
R215
22K 
R244
1K
C232
0.0015
R246
820 
C234
1/50
C236
15P 
R248
56K 
R250
1K
R256
0.1(1W) 
C240
0.022 
R258
10K 
R260
1K
R298
22K
R297
22K
R828
22K
R829
22K
Q204
KTC3199 GR 
C242
10/50 
C241
10/50 
R255
0.1(1W
C239
0.022
R25
10K
R261 56K 
R230
0.22(2W)
R220
0.22
(2W)
R229
0.22
(2W)
R219
0.22(2W)
C205 15P
R209
1K
R205 56K 
R203
820 
C203
47/50 
D205
DS1SS133
R201
1K
D201
DS1SS133
Q206
KTC3199 GR 
C251
47/50 
R262
56K 
R278
56K 
Q201
KTC3199 GR 
R231
1K
IC201
STK40271(2Ch)
POWER AMP.  
R225
10K 
C215 0.022 
R223
0.1(1W) 
D202
DS1SS133
C223
10/50 
C224
10/50 
Q202
KTC3199 GR 
R232
1K
R226
10K 
C216
0.022 
R224
0.1(1W) 
R210
1K
R206
56K 
C206
15P
C204
47/50 
C202
220P
R202
1K
C210
100/50
C201
220P
Q205
KTC3199 GR 
R216
22K 
R239
1K
BI808
C225
220P(CH)
R238
68K 
R237
68K 
R233
100K
R234
100K
R212
18K  C208
0.15
R211
18K 
C248
0.022 
R241
68K 
R242
68K 
C219
10/50 
C220
10/50 
R235
1.8K
R236
1.8K
R240
1K
R221
4.7K
R217
18K 
C218
100P(CH)
C228
2.2/50
C249
47/25 
C250 0.022 (ML) 
C214
0.022 
R222
4.7K
R218
18K 
R277
330 
IC203 
R227 8.2K
R228 8.2K
Q809
2SD2012 
R813
1.5K
IC802
KIA7810AP
VOLTAGE 
REGULATOR  
CNS804
IC203
KIA4558P
 OPE AMP.
CNS808  
-0.2V
-0.2V
36V
37V
-35V
-37V
-36V
0V
0V
0V
0V
0V
-0.2V
-0.2V
4.6V
4.6V
4.6V
4.6V
0V
0V
0V
0V
0V
0V
0V
0V
8.4V
-8.2V
0V
0V
0V
0V
0V
0V
11.3V
17V
12V
10V
17V
0V
8.6V
17V
17V
9.2V
9.8V
9.2V
-19.5V
-8.3V
-9V
-0.2V
-0.2V
30V
31V
0V
0V
0V
0V
-30V
-31V
0V
0V
4.6V
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