Sharp CD-BA1700 (serv.man7) Service Manual ▷ View online
CD-BA160H/1700H
– 24 –
Figure 24 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
GND
L
GND
+5V
R
M_GND
(CD_GND)
(A_GND)
+5V
CD_GND
L-CH
A_GND
R-CH
TAPE1_R
TAPE1_L
A_GND
A_GND
ERASE
TAPE2_R2
TAPE2_R1
TAPE2_L1
TAPE2_L2
9.3V
8.6V
9.3V
0V
3.4V
3.4V
0V
0V
0V
0V
0.7V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
ERASE
HEAD
HEAD
PLAYBACK HEAD
RECORD/
TAPE2
TAPE1
PLAYBACK HEAD
R-CH
L-CH
R-CH
L
R
-
-
+
Hich=T1 +
Hich=CHROME
112K
112K
CD
TUN
DECK
AUX
LSEL0
- +
- +
- +
- +
- +
- +
-
+
- +
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
24
23
1
24
23
22
21
20
1
2
3
4
5
19
18
17
6
7
8
2
22
21
20
19
18
17
16
15
14
13
3
4
5
6
7
8
9
10
11
12
3
2
1
2
1
3
2
1
2
1
1
2
3
4
5
6
7
2
3
4
5
6
7
1
2
3
4
5
2
3
4
5
3
4
4
2
1
5
CNP11
TO CD
SERVO
PWB
P33 12-D
BI402
CNS402
TO
POWER
SECTION
P26 1-F
1
2
Z
Y
3
+B
7
6
5
4
3
2
1
6
5
4
3
2
1
L-CH
1
1
2
2
3
3
MUTING
+B
+B
+B
+B
R132
15
K
C126
270P
R128
6.8K
R130
3.9K
C42
1/50
1/50
C42
1/5
1/5
C42
1/50
1/50
C42
1/50
1/50
C420
4.7/50
4.7/50
C418
1/50
1/50
C414
0.002
0.002
C41
0.1(
0.1(
CCB
INTERFACE
INTERFACE
C407
10/50
10/50
C409
0.1
(ML)
0.1
(ML)
C411
0.1 (ML)
0.1 (ML)
C441
0.0033
0.0033
C421
1/50
1/50
C427
1/50
1/50
C425
1/50
1/50
C423
1/50
1/50
R415
3.9K
3.9K
R417
3.3K
C419
4.7/50
4.7/50
C417
1/50
1/50
C413
0.0027
0.0027
C439
0.001
0.001
Q110
KTC3
KTC3
R401
330
330
R409
10K
10K
Q401
KTC3199 GR
KTC3199 GR
R407
2.2K
2.2K
C401
0.001
0.001
R404
2.7K
2.7K
R403
2.7K
2.7K
R408
2.2K
2.2K
C402
0.001
0.001
Q402
KTC3199 GR
KTC3199 GR
R410
10K
10K
R425
22K
22K
R402
330
330
C403
22/25
22/25
C404
100/16
100/16
C405
0.022
0.022
R157
150
150
R104
1K
1K
R102
10K
10K
Q102
KRC104 M
KRC104 M
R137
15K
15K
R101
10K
10K
Q103
KRC104 M
KRC104 M
C108
100/16
R103
4.7K
4.7K
Q101
KTA1266GR
SWITCHING
KTA1266GR
SWITCHING
C122
47/25
47/25
R122
5.6K
5.6K
C116
100/25
100/25
R116
56
56
L102
2.2
µ
H
R118
100K
100K
C118
0.033
0.033
R120
3.9K
3.9K
C120
560P
560P
C114
330P
330P
R124
33K
33K
R114
1K
1K
C112
330P
330P
C144
0.0022
R126
68K
IC101
AN7345K
AN7345K
C106
0.001
R105
1K
1K
R110
47K
47K
Q108
KTC3199 GR
R112
4.7K
R108
3.3K
3.3K
R106
2.2K
2.2K
Q104
2SC1845 F
2SC1845 F
Q106
2SC1845 F
2SC1845 F
C104
180P
180P
C102
0.001
0.001
C103
0.001
R109
3.3K
3.3K
Q107
2SC1845 F
2SC1845 F
C105
180P
180P
R107
2.2K
2.2K
Q105
2SC1845 F
2SC1845 F
R113
47K
Q109
KTC3199 GR
C107
0.001
0.001
R111
4.7K
L101
2.2
2.2
µ
H
C115
330P
330P
R115
1K
1K
R121
3.9K
3.9K
R119
100K
100K
R123
5.6K
5.6K
C137
0.022
0.022
C119
0.033
0.033
C117
100/25
100/25
R117
56
56
R125
33K
33K
C123
47/25
47/25
C121
560P
560P
C143
0.0022
R127
6.8K
270P
C127
C139
3.3/50
3.3/50
R129
3.9K
C131
R131
1.5K
C113
330P
330P
R138
15K
15K
CNP101
CNP102
IC401
LC75341 AUDIO PROCESSOR
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
VIDEO SIGNAL
CHASIS
SYSTEM MUTE
SYSTEM MUTE
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
IC101
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK
AMP.
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK
AMP.
TAPE MECHANISM
ASSEMBLY(1/2)
ASSEMBLY(1/2)
– 25 –
CD-BA160H/1700H
Figure 25 SCHEMATIC DIAGRAM (2/10)
7
8
9
10
11
12
1
1
A_10V
TUN_SM
DO
CE
VF1
-VP
VF2
SP_RLY
M_10V
-15V
GND
SW_5V
GND
UN_SW_5V
AC_RLY_CONT
SP_DET
CLK
DI
TUN_L
TUN_R
GND (M_GND)
(A_GND)
(D_GND)
M_GND
SP_DET
AC_RLY CONT
UN_SW 5V
A_GND
+5V
D_GND
-15V
M_10V
SP_RLY
VF1
VF2
-VP
T_BIAS
SPA_SIG
SMUTE
REC/PLAY
T_T1/T2
CE
DI
CLK
DO
TUN SM
REC_L
REC_R
0V
0V
0.7V
0.7V
0V
0V
0V
11.7V
11.6V
11.6V
0V
0V
0V
0V
0V
AUX IN
R-CH
L-CH
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
+
+
-
-
Hich=CHROME
56K
56K
R1
R2
R3
R4
SEL0
RIN
RTRE
BASS
ROUT
VREF
VDD
CLK
24
23
18
17
16
15
14
13
7
8
9
10
11
12
22
21
20
19
18
17
16
15
14
13
22
23
21
20
19
18
17
16
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
MAIN PWB-A1(1/3)
TO
TUNER
SECTION
P29 10-H
G
F
I
D
E
H
C
1
23
FC701
CNP702
TO DISPLAY
PWB
P31 12-D
TO POWER SECTION
P26 1-G
K
L M N O P Q R S T U
W X
–B
+B
+B
V
+B
MUTING
MUTING
1
2
3
+B
+B
+B
+B
-B
+B
+B
+B
+B
+B
R419
5.6K
5.6K
R420
5.6K
5.6K
C430
390P
390P
C429
390P
390P
R422
27K
27K
R421
27K
27K
D403
DS1SS133
D404
QS1SS133
SO401
VIDEO/AUX
VIDEO/AUX
CNP401
C142
47/25
47/25
R149
4.7
4.7
Q114
KTC3203 Y
BIAS OSC
KTC3203 Y
BIAS OSC
L104
330
330
µ
H
C141
0.039
(ML)
0.039
(ML)
C140
0.0082
0.0082
C148
0.047
(ML)
0.047
(ML)
R148
22K
22K
R147
47K
47K
Q113
KRC104 M
BIAS
KRC104 M
BIAS
R146
82(1/2W)
82(1/2W)
R145
4.7K
4.7K
Q112
KTA1266 GR
SWITCHING
KTA1266 GR
SWITCHING
R144
47K
47K
R139
220
220
C136
22/25
C138
220/10
C134
47/25
R136
10K
C132
0.0033
C130
0.022
C128
22/25
22/25
R134
100
R132
1.5K
C126
270P
R128
6.8K
3
.9K
C150
22/25
22/25
R423
470K
470K
R424
470K
470K
R416
3.9K
3.9K
C440
0.001
0.001
R418
3.3K
3.3K
C442
0.0033
0.0033
C428
1/50
1/50
C426
1/50
1/50
C424
1/50
1/50
C422
1/50
1/50
C420
4.7/50
4.7/50
C418
1/50
1/50
C414
0.0027
0.0027
C412
0.1(ML)
0.1(ML)
C410
0.1(ML)
0.1(ML)
C406
22/50
22/50
C408
10/50
10/50
R143
220K
220K
R141
10K
10K
Q111
KTC3199 GR
KTC3199 GR
R140
10K
10K
Q110
KTC3199 GR
KTC3199 GR
R142
220K
220K
5K
C135
47/25
47/25
R127
6.8K
270P
C127
39
/50
3.9K
C131
0.022
R131
1.5K
R133
100
C133
0.0033
R135
10K
10K
C129
22/25
22/25
OR
CD-BA160H/1700H
– 26 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
Figure 26 SCHEMATIC DIAGRAM (3/10)
3
2
1
3
2
1
3
2
1
A_10V
M_10V
GND
GND
AC_RLY_CONT
UN_SW_5V
GND
+B2
GND
R
GND
VF1
VF2
-VP
L
SP_RLY
-15V
SP_DET
+5V
20V
5.7V
20
5
20V
10V
9.9V
20V
9.9V
4.1V
0V
0V
0V
0V
4.1V
+5V
GND
AC_RLY_CONT
UN_SW_5V
SW_5V
(M_GND)
A_GND
(CD_GND)
(D_GND)
(A_GND)
Out
Ch2
Out
Ch1
Out
Out
Ch2
Ch1
Ch2
Ch1
+Vcc
-Vcc
-
-
+
+
2
3
4
5
6
8
9
11
12
13
14
15
7
1
1
5
TO
MAIN
SECTION
P25 10-H
Y
1
2
Z
3
K
M
N
L
O
P
Q
R
T
U
U
V
W
X
S
TO
MAIN
SECTION
P24 1-C
10
C914
0.1(ML)
C916
0.1(ML)
R916
4.7
C913
0.1(ML)
C915
0.1(ML)
R917
4.7
R915
56K
C917
47/50
R914
56K
R913
56K
Q904
KTC3199 GR
Q903
KTC3199 GR
D903
DS1SS133
DS1SS133
R934
68K
68K
C906
47/50
R906
1K
R932
1K
C904
15P
R902
56K
R904
820
C902
470P
470P
C909
100/50
R918
100(1/4W)
Fusible
100(1/4W)
Fusible
C912
10/50
D902
DS1SS133
DS1SS133
Q902
KTC3199 GR
KTC3199 GR
R912
10K
C908
0.022
0.022
R910
1K
1K
R908
0.1(1W)
0.1(1W)
R911
10K
10K
Q901
KTC3199 GR
KTC3199 GR
R909
1K
1K
C907
0.022
0.022
R907
0.1(1W)
0.1(1W)
C910
100/50
100/50
R920
22K
22K
R903
820
820
C905
47/50
47/50
C903
15P
15P
R901
56K
56K
R931
1K
1K
R905
1K
C901
470P
470P
R933
68K
68K
C935
10/50
10/50
C911
10/50
D901
DS1SS133
DS1SS133
C936
10/50
C803
2200/50
2200/50
C804
2200/50
2200/50
22K
R801
R801
22K
R802
R802
R803
680(2W)
680(2W)
D803
1N4004S
1N4004S
D805
1N4004S
1N4004S
C812
100/50
C813
100/35
R807
12K
ZD802
DZ6.2BSA
ZD803
DZ13BSB
C807
3300/25
220/25
C831
C831
C832
0.022
Q831
KTC2026
KTC2026
C833
22/25
R832
33(1/2W)
R833
22K
C834
0.047(ML)
C842
0.1(ML)
C841
0.1
(ML)
0.1
(ML)
C843
47/25
R841
22K
IC841
IC851
C851
0.1
(ML)
0.1
(ML)
C852
0.022
C853
47/25
R851
10K
D831
DS1SS133
DS1SS133
IC852
D851
DS1SS133
C854
47/25
C855
0.047(ML)
F
IC901
STK40204(2Ch) POWER AMP.
Q901~Q904
SP DET.
SP DET.
+B
IC852
AN78L05
CONSTANT
VOLTAGE REGULATOR
IC841
KIA7810AP
VOLTAGE REGULATOR
IC851
KIA7805P
VOLTAGE
REGULATOR
KIA7805P
VOLTAGE
REGULATOR
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
R919
100
(1/4W)
Fusible
100
(1/4W)
Fusible
-B
+B
-B
– 27 –
CD-BA160H/1700H
Figure 27 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
-28V
-28V
-33V
4.4V
0.2V
R1_OUT
L1_OUT
3
4
4
5
5
6
6
7
7
8
8
M
2
2
1
1
1
1
2
2
1
2
3
4
5
2
1
1
3
C931
22/50
22/50
8 OHMS MIN
16 OHMS MIN
1
5
2
1
1
AC POWER
SUPPLY CORD
SUPPLY CORD
POWER PWB-B
+
+
+
+
+
–
–
–
–
L-CH
L-CH
L-CH
GND
GND
R-CH
R-CH
R-CH
GND
GND
R-CH
GND
GND
L-CH
GND
GND
HEADPHONES PWB-A3
5
1
2
3
4
5
2
3
4
5
1
5
1
M901
FAN MOTOR
+
–
MAIN PWB-A1(2/3)
C930
22/50
22/50
VOLTAGE REGULATOR
1
2
3
FM SIGNAL
C971
47/50
47/50
R975
4.7(1/2W)
4.7(1/2W)
D971
DS1SS133
DS1SS133
C972
10/50
10/50
R972
68K
68K
R971
1K
1K
R973
15K
15K
Q971
KTC3203 Y
CNS971
CNP971
CNP951
FW951
R951
330(1/2W)
330(1/2W)
C952
220P
220P
C951
220P
220P
JK951
HEADPHONES
HEADPHONES
L951
2.2uH
2.2uH
R952
330(1/2W)
330(1/2W)
R954
4.7K
R953
4.7K
RL951
RELAY
RELAY
D951
DS1SS133
DS1SS133
Q951
KRC107 M
KRC107 M
SO901
SPEAKER
TERMINALS
FOR
CD-BA160H
2 SPEAKER
SPEAKER
TERMINALS
FOR
CD-BA160H
2 SPEAKER
R922
6.8
6.8
C922
0.022
0.022
C920
0.022
0.022
R924
6.8
6.8
C925
0.022
0.022
C927
0.022
0.022
R921
6.8
6.8
C923
0.022
0.022
C921
0.022
0.022
L921
0.29
0.29
µ
H
L920
0.29
0.29
µ
H
C926
0.022
0.022
R923
6.8
6.8
C924
0.022
0.022
C928
0.001
C929
0.001
R925
68
C932
0.001
R926
68
C933
0.001
C934
0.001
R927
68
1N4004S
D871
C871
0.0047/250
L801
LINE
LINE
FILTER
SO801
AC INPUT
SOCKET
AC 230V,
50Hz
AC INPUT
SOCKET
AC 230V,
50Hz
CNP801
RL871
RELAY
RELAY
T.F
PT801
MAIN POWER TRANSFORMER
C873
470/35
470/35
C875
0.022
0.022
C876
0.001
R874
220
220
C874
1000/6.3
R876
1K
1K
C877
0.001
R875
47K
Q873
KTC3199 GR
KTC3199 GR
PT871
SUB POWER
TRANSFORMER
D876
DS1SS133
DS1SS133
C872
0.047
(ML)
0.047
(ML)
D875
1N4004S
1N4004S
D874
1N4004S
1N4004S
D872
1N4004S
1N4004S
D873
1N4004S
1N4004S
CNS871
CNP802
F803
T2A L 250V
F802
T4A L 250V
F801
T4A L 250V
C801
0.1(ML)
0.1(ML)
C802
0.1(ML)
0.1(ML)
D801
TS6B04GM
C803
2200/50
2200/50
C804
2200/50
2200/50
C805
0.1 (ML)
0.1 (ML)
C806
0.1(ML)
0.1(ML)
D803
N4004S
D804
1N4004S
D802
1N4004S
1N4004S
D805
1N4004S
1N4004S
C809
100/50
D807
1N4004S
D806
1N4004S
C808
100/50
C810
220/50
R804
2.2K
C811
47/50
47/50
R805
47K
C812
100/50
R806
10
10
Q801
KTA1274 Y
KTA1274 Y
D808
1N4004S
1N4004S
ZD802
DZ6.2BSA
ZD801
DZ30BSB
FW871
SO801
When Servising, pay attention as the
area enclosed by this line( ) is
directly connection with AC main voltage.
area enclosed by this line( ) is
directly connection with AC main voltage.
FRONT
SPEAKERS
SPEAKERS
SURROUND
SPEAKERS
SPEAKERS
SO902
SPEAKER
TERMINALS
FOR
CD-BA1700H
4 SPEAKER
SPEAKER
TERMINALS
FOR
CD-BA1700H
4 SPEAKER
CD-BA1700H
ONLY
+B
+B
VOLTAGE
REGULATOR
REGULATOR
+B
+B
+B
+B
MOTOR
DRIVER
DRIVER
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