Sharp CD-BA3100 Service Manual page 28

CD-BA3100
MAIN PWB-A (1/2)
CNS601
R-CH
1 1
A_GND
A
2 2
L-CH
3 3
M_GND
4 4
+5.6V(M)
5 5
+5.6V(A)
6 6
CNP8
TO
CD SERVO
PWB
P27 11-B
L-CH
1
A_GND
2
R-CH
3
B GND
4
+5.6V (FAN MOT)
CNP906
5
M_+12V
TO
6
POWER
GND
AMP.PWB
8
P32 1-E
9V
7
+B(+18V)
9
C
D
TAPE1
PLAYBACK HEAD
E
1 T1_R
2 A_GND
T1_L
3
M_GND
ERASE HEAD
6
ERASE
5
T2_R2
4
A_GND
3
T2_R1
2
F T2_L1
1
T2_L2
TAPE2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
1
+B
+B
R609
330
R610
330
+B
+B
+B
+B
+B
+B +B(18V)
GND
M_GND
0.047I(ML)
+B
9V
C858
0.047(ML)
C102
560P
1
2
3
C101
560P
C106
1
180P
2
3
4
5
6
7
C105
180P
2
Figure 28 SCHEMATIC DIAGRAM (3/10)
R607
10K
C607
0.1(ML)
C613
R611
2.2/50
27K
R605
3.9K
R615
C611
2.2K
0.0027(ML)
C621
1/50
R616
2.2K
R850
Q850
3.3
KTC2026 Y
DZ801A
DZ2.4BSB
R855 Q851
3.3 KIA7810 AP
M_GND
1 3
2
C855 Q852
KIA7805 AP
1 3
2
D801
DS1SS133
R102
1K
R101
1K
Q104
0V
2SC1845 F
0.7V
R104
0V
0V
2.2K
0V
0.7V
0V
R106
0V
Q106 3.3K
2SC1845 F
Q105
2SC1845 F
0V
0.7V
0V
R105
0V
3.3K
0V
0V
0.7V
R103
2.2K
0V Q103
2SC1845 F
Q103~Q108 : SWITCHING
3 4
– 28 –
IC601
LC75341
AUDIO PROCESSOR
1
DI
CE
2
CCB
VSS
3 INTERFACE + –
LOUT
4
LBASS
5
C609
0.1(ML) LTRE
6
C619
1/50
LIN
7
LSEL0
8
C623
1/50 L4
AUX
9
C625
1/50 L3
DECK
10
C627
1/50
L2
TUNER
11
L1
CD
12
C629
1/50
M_+12V
A_+5.6V
L
Q109~Q111 : SWITCHING
A_+10V
Q110
R114
KRC104 M
10K
3.4V
0V
2 3
1
R113
10K
R115
0V
4.7K
9.3V
1
3.4V
8.6V
3
0V
Q109
2
Q111
KTA1266 GR
KRC104 M
9.3V
R112
R120
15K
56
C116
C118 C120
R126
47/25
0.033 560P
5.6K
R122
C122
100K
47/25
R124
C114
R118
2.7K
1K 330P
C112
330P
R
24 23 22 21 20 19
–
+
112K
Hich=T1
112K
– +
5
1 2 3 4
L
R117
C113
1K R123
330P
2.7K
R121
R125
100K
5.6K
C117
0.033
C119 C121
C115
560P 47/25
47/25
R119
56
R111
15K
5
R641 1K
R643 1K
24
CLK R642 1K
VDD
23
C602
22/50
VREF
22
C614 R
2.2/50 1
ROUT C608
21
0.1(ML) R606
3.9K
RBASS
20
C610
RTRE
0.1(ML)
19
C620 C612
1/50 0.0027(ML)
RIN
18
C622
1/50
RSEL0
17
C624
1/50
R4
16
C626
R3 1/50
15
R2 C628
14
1/50
R1
13
C630
1/50
+B
+B
R
+B
R155
150
R156
220K REC
R154 R153
0V
10K 10K
0.7V Q
Q122 KTC3
0V
KTC3199 GR
C134
22/50
18 17 16 15 14
–
+
56K
Hich=CHROME
56K
+
–
7
6 8 9 10 11
C133
22/50
C141
47/25
R145
10K
6