Sharp CD-BA3100 Service Manual

CD-BA3100
– 28 –
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
Figure 28 SCHEMATIC DIAGRAM (3/10)
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.7V
0.7V
9V
+B(18V)
9.3V
8.6V
9.3V
0V
3.4V
0V
3.4V
0V
0V
0V
0.7V
3
2
1
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
10
11
1415161718192021222324
8
7
6
5
4321
RE
C
M_+12V
A_+5.6V
+5.6V(A)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
GND
9V
+B(+18V)
GND
A_+10V
M_GND
GND
M_GND
A_GND
L
M_+12V
+5.6V (FAN MOT)
A_GND
R-CH
L-CH
L
R
R
CNP8
+5.6V(M)
M_GND
L-CH
A_GND
R-CH
MAIN PWB-A (1/2)
T1_R
T1_L
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
4
2
ERASE HEAD
TAPE2
RECORD/
PLAYBACK HEAD
TAPE1
PLAYBACK HEAD
R-CHL-CH
R-CH
L-CH
1
3
5
6
6
5
1
2
4
3
6
5
1
2
4
3
8
7
9
1
2
3
4
5
6
7
6
5
4
3
2
1
3
1
2
3
1
2
CD
TUNER
DECK
AUX
DI
CE
VSS
LOUT
LBASS
LTRE
LIN
L4
L3
L2
L1
CLK
VDD
VREF
ROUT
RBASS
RTRE
RIN
RSEL0
R4
R3
R2
R1
CCB
INTERFACE
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
LSEL0
ALC ALC
RIPPLE
Nor/CrO2
–
+
–
+
Hich=T1
++
–
–
Hich=CHROME
56K 112K
56K 112K
23
1
2
3
1
TO
POWER
AMP.PWB
P32 1-E
TO
CD SERVO
PWB
P27 11-B
BI601
CNP806
R609
330
CNS601
CNP101
CNP102
Q105
2SC1845 F
R105
3.3K
R103
2.2K
Q103
2SC1845 F
C105
180P
R107
47K
Q107
KTC3199 GR
R109
4.7K
C107
560P
C108
560P
R110
4.7K
R108
47K
R101
1K
R102
1K
Q108
KTC3199 GR
Q104
2SC1845 F
R104
2.2K
R106
3.3K
Q106
2SC1845 F
C101
560P
C106
180P
C102
560P
C850
2200/35
C861
4700/16
C855
0.047I(ML)
Q851
KIA7810 AP
R855
3.3
R850
3.3
R856
560
DZ801A
DZ2.4BSB
Q850
KTC2026 Y
C851
22/50
R852
22K
C852
0.047(ML)
C857
47/25
R853
22K
Q852
KIA7805 AP
C858
0.047(ML)
D801
DS1SS133
C860
47/25
R854
10K
R112
15K
R113
10K
R115
4.7K
R114
10K
Q110
KRC104 M
Q111
KRC104 M
R120
56
C118
0.033
C120
560P
R132
33K
R174
1K
R172
1K
R170
1K
R126
5.6K
C124
0.0022
R124
2.7K
C122
47/25
R122
100K
C114
330P
R118
1K
C112
330P
R138
6.8K
C132
270P
R134
68K
R136
3.9K
R140
1.5K
C136
0.022
R142
100
C140
0.0033
C142
47/25
R146
10K
C134
22/50
C145
22/50
Q
KTC
3
R153
10K
Q122
KTC3199 GR
R154
10K
R156
220K
R155
150
C153
100/16
R611
27K
R612
27K
R614
390
Q604
KTC3199 GR
R616
2.2K
R615
2.2K
R613
390
R607
10K
C613
2.2/50
C607
0.1(ML)
R605
3.9K
C611
0.0027(ML)
C609
0.1(ML)
C619
1/50
C623
1/50
C621
1/50
C625
1/50
C627
1/50
C604
0.022
C606
100/16
IC601
LC75341
AUDIO PROCESSOR
R641 1K
R642 1K
R643 1K
C602
22/50
R
1
C614
2.2/50
R606
3.9K
C608
0.1(ML)
C610
0.1(ML)
C612
0.0027(ML)
C620
1/50
C622
1/50
C624
1/50
C626
1/50
C628
1/50
C630
1/50
R145
10K
C141
47/25
C139
0.0033
R141
100
C133
22/50
R139
1.5K
C131
270P
R137
6.8K
R135
3.9K
C123
0.0022
R131
33K
R125
5.6K
C127
0.022
C128
3.3/50
C121
47/25
C119
560P
R123
2.7K
R121
100K
C117
0.033
C115
47/25
R119
56
C113
330P
R117
1K
C111
330P
R111
15K
IC101
AN7345K
PLAYBACK AND
C617
22/50
R619
22K
Q603 KTC3199 GR
C135
0.022
C116
47/25
Q109
KTA1266 GR
C629
1/50
R610
330
R173
1K
R169
1K
R171
1K
CNP906
Q103~Q108 : SWITCHING
Q109~Q111 : SWITCHING

Sharp CD-BA3100 Specifications

General

Brand	Sharp
Model	CD-BA3100
Category	Stereo System
Language	English