Sharp CD-MPS900 Service Manual page 60

CD-MPS900/CD-MPS99
A
BI601
R-CH
1 1
A_GND
2 3
L-CH
3 4
CD_GND
4 5
A+5V
5 6
D_GND
6
7
+B
+8V
7 8
D+5V
8 9
CNS601
B
LD+7V
10
+B
A_5V
11
D+5V
12
CD_GND
13
L-CH
14
A_GND
6
R-CH
15
C
CD_D_GND
16
CD_A_GND
17
AGC
26
D
E
TAPE 1
PLAYBACK HEAD
1
T1_R
2
A_GND
F
3 T1_L
ERASE HEAD
M_GND
1
2
ERASE
3 T2_R2
3
A_GND
5
T2_R1
6
T2_L1
7
G T2_L2
TAPE 2
RECORD/
PLAYBACK HEAD
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
+B
VIDEO SIGNAL
AUX SIGNAL
+B
Q603, Q604: SYSTEM MUTE
R617
2.2K
+B
+B
R619
R616
330
2.2K
R618
330
C102
560P
1
2
3
CNP101
SWITCHING
C101
Q102
560P
KTC3200 GR
0V R104
2.2K
0.7V
0V
C104
R106
1
180P(CH)
3.3K
2
0.7V
0V
3
Q104
KTC3200 GR
4
SWITCHING
5
6
7
CNP102
SWITCHING
Q103
C103
KTC3200 GR
180P 0V
0.7V
R105
0V 3.3K
0.7V
0V Q101
KTC3200 GR
SWITCHING
2 3
Figure 6-5 SCHEMATIC DIAGRAM (5/10)
R605
10K
R613
R986
390
8.2K
Q601
KTC3875 GR
R607
3.9K
R611
2.2K R988
2.2K
R610
R987
2.2K
2.2K
R146
10K
9.3V
8.6V
Q112
9.3V
KTA1504 GR
SWITCHING
R112
15K
R102
1K
R101
1K
R C108
330P
0V
0V
0V
L
330P
C107
IC101
PLAYBACK
AND
RECORD/
0V
PLAYBACK
0V
AMP.
0V
R103
2.2K
R111 15K
4
6 – 5
R601 1K
R602 1K
IC601
LC75341
AUDIO PROCESSOR
1
DI
C609
1/50 CE
2
CCB
VSS INTERFACE Ð +
3
LOUT
4
C607
0.082
LBASS
5
C605
LTRE
C611 0.1
6
0.0022
C613 1/50
LIN
7
C615 LSEL0
8
4.7/50
C617 1/50
L4 AUX
9
C619 1/50
L3
DECK
10
L2
C621 TUNER
11
1/50
L1 CD
12
C623
1/50
R149
150
SWITCHING
Q113
KRC104 S
R147
10K
3.4V
0V
2 3
R148
1
4.7K
0V
1
3.4V
0V
2 3
Q114
KRC104 S
SWITCHING
0V
R
L
R116
56
C112
C116
47/25
560P
C114
0.039
R124
6.8K
R118
100K
R120
3.9K
R114
1K
R128
C110
5.6K
330P
24 23 22 21 20 19 18
Ð
+
112K
Hich=T1 Hich=CHROME
112K
+ Ð
1 2 3 4 5 6 7
IC101
C109
330P AN7345K
R113
1K
R119
3.9K
R117
100K R123
6.8K
C113
0.039
C115
C111
560P
47/25
R115
56
5
C653 C6
C601
0.0
220P
220/16
24
CLK
+B
23
VDD
C603
220/10
VREF
22
C608 C6
1/5
0.082
ROUT
21
R
RBASS
20
3
C606
RTRE
0.1
19
C
0.0
RIN C614
18
1/50
RSEL0 C616
17
4.7/50
C618
R4
16
1/50
R3
C620
15
1/50
C622
R2
14
1/50
R1
13
C624
1/50
REC_R
R138 R139
10K 10K
0.7V
0.7V
Q107
Q108
KTC3875 GR
KTC3875 GR
MUTING
MUTING
C126
22/50
+B
17 16 15 14 13
Ð
+
56K
56K
+
Ð
8 9 10 11 12
C125
22/50
6