CD-BA2000 (serv.man7). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 8

Read Sharp CD-BA2000 (serv.man7) Service Manual online

CD-BA2000H
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
Figure 26 SCHEMATIC DIAGRAM (3/10)
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
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
REC_
0V
AC_RLY
CON
VF1 
VF2 
-VF 
UN_SW
5V
M_+10V
+5V 
SP_RLY
SP_DET
D_GND 
-15V
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
A_+10V
CD_+B 
CD_GND
M_GND 
A_GND 
A_GND 
R_CH
L_CH
CHASIS
MECHA  BASE
CD_+B
TO CD SERVO PWB
P25  12-D
CD_GND
L-CH
A_GND 
R-CH
9.3V
8.6V
9.3V
0V
2
1
3
1
2
3
3.4V
3.4V
0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
0.7V
7
6
5
4
3
2
1
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3
1
3
4
4
3
1
2
5
2
1
5
2
CNP11
TO POWER SUPPLY
P30  1-D
CNS901
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
7
6
5
4
3
2
1
T1_R
T1_L
A_GND 
3
1
2
R-CH
L-CH
PLAYBACK 
HEAD
TAPE1
RECORD/
PLAYBACK  HEAD  
TAPE2 
R-CH
L-CH
ERASE 
HEAD
R607
10K
C613
10/50
R613 390
R615
2.2K
R611 5.6K
Q603
KTC3199 GR
R621
2.2K
Q605
KTC3199 GR
R609
330
R610
330
Q606
KTC3199 GR
C636
0.001
C635
0.001
R622
2.2K
R612 5.6K
Q604
KTC3199 GR
C615
0.001
C616
0.001
R616
2.2K
R614 390
C618 22/25
R620 22K
C617 1/50
R619
22K
C649
0.001
C641
0.0033
(ML)
R617
3.3K
C645
0.0022(ML)
C625
10/50
C627
10/50
C629
10/50
C623
10/50
C621
4.7/50
C619
1/50
C611
0.0027
(ML)
R605
3.9K
C607
0.1
(ML)
C609
0.1
(ML)
C606 100/16
C604 0.022
AUDIO
C608
0.1
(ML)
C610
0.1(ML)
C620
1/50
C6
4.7
C
1
C626
10/50
C62
10/5
C630
10/50
R155
150
R113
10K 
R114
10K
R115
4.7K
Q109
KTA1266  GR
Q111
KRC104 M
Q110
KRC104 M
C153 100/16
R112
15K
R102
1K
R101
1K
C101
560P
C102
560P
C106
180P
Q104
2SC1845 F
R104
2.2K
Q106
2SC1845  F
R106
3.3K
R110
4.7K
R108
47K 
Q108
KTC3199  GR
C108
560P
C112
330P
R118
1K
C114
330P
R122
100K
C118
0.033
C116
100/25
R120
56
C120
560P
R124
3.9K
C122
1/50
R126
5.6K
R132 33K
R134
68K
R136
3.9K
R138 6.8K
C132 270P
C134
22/25 
R140
1.5K
R142
100 
C140
0.0033
C142 47/25 
R146
10K 
Q122
KTC3199GR
R156
220K
R154
10K
R153
10K
Q
KTC
C136
0.022 
L105 2.2
µ
C145  22/25
C146
220/10
R145
10K
C141
47/25 
C133
22/25 
R141
100
C139 0.0033
R139 1.5K
C131
270P
R137
6.8K
R135
3.9K
C128
3.3/50
C127
0.022
R131 33K
C121
1/50
R125
5.6K
R123
3.9K
C119
560P
R121
100K
C117
0.033
C115
100/25
R119
56
L106
2.2
µ
H
C113
330P
R117
1K
C111
330P
C107 560P
Q107
KTC3199  GR 
R109
4.7K
R107
47K 
R105
3.3K
R103
2.2K
Q103
2SC1845  F
Q105
2SC1845  F
C105
180P
CNP102
CNP101
LUG101
CNP901
C135 0.022
R111
15K 
IC101
AN7345K 
PLAY BACK AND RECORD/
PLAYBACK AMP.
BI601
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