Sharp CD-MPS660H Service Manual page 64

CD-MPS660H/CD-MPS660E
CD-MPS660H
MAIN PWB-A1 (1/3)
A BI601
R-CH
1 1
A_GND
2 3
L-CH
3 4
CD_GND
4 5
A+5V +B
6
5
D_GND
6 7
+8V +B
8
7
+B
8 9
CNS601
+B
B
LD+7V
10
A_5V
+B
11
D+5V
+B
12
CD_GND
7
L-CH
14
A_GND
6
R-CH
15
C CD_D_GND
16
CD_A_GND
17
AGC
26
D
E
TAPE1
PLAYBACK HEAD
1 1
2 2
3 3
F
ERASE HEAD
1
1
2
2
3 3
4
4
5
5
6
6
7
7
G TAPE2
RECORD/
PLAYBACK HEAD
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
R617
2.2K
R619
330 R616
2.2K
R618
330
C102
560P
T1_R
A_GND
T1_L
SWITCHING
CNP101
C101
Q102
560P
KTC3200 GR
0V R104
2.2K
0.7V
0V
M_GND
C104
0.7V
180P(CH) R106
ERASE
T2_R2 3.3K
0V
Q104
A_GND
KTC3200 GR
T2_R1 SWITCHING
T2_L1
T2_L2
CNP102
SWITCHING
C103
Q103
180P
KTC3200 GR
0V
0.7V
R105
0V 3.3K
0.7V
R103
2.2K
Q101
0V
KTC3200 GR
SWITCHING
2 3
Figure 6-5 SCHEMATIC DIAGRAM (5/18)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
AUDIO SIGNAL
C609
R605
1/50
10K
R613
390 R986
8.2K
Q601
C607
KTC3875 GR
R988
0.12
2.2K
R607
4.7K
R611
C611
2.2K
0.0033
R610
2.2K
R987 4.7/50
2.2K
C631
0.01
C621
1/50
R146 R147
10K 10K
9.3V
R148
8.6V
4.7K
SWITCHING
Q112
KTA1504 Y
9.3V
L
R112
15K
R102
1K C112
47/25
C114
0.039
R101
R118
100K
1K
R114
1K
R C108
330P
0V
24 23
0V
0V
1 2
L
330P
C107
R113
1K
IC101
AN7345K
PLAYBACK
0V C113
AND
0.039
0V
RECORD/
PLAYBACK
0V
R111 15K
4
6 – 5
R601 1K
R602 1K
IC601
C653
LC75341
220P
AUDIO PROCESSOR
1 24
DI CLK
CE
2 23
VDD
CCB
VREF
VSS
3 INTERFACE
+ 22
-
ROUT
LOUT
4 21
C605
LBASS RBASS
5 20
0.1
LTRE
RTRE
6 19
C613 1/50 RIN
LIN
7 18
C615 LSEL0 RSEL0
8 17
-
C617 1/50
L4 AUX R4
9
16
R3
C619 1/50 L3
DECK
10
15
L2 R2
TUNER
11 14
L1 CD R1
12 13
C623
1/50
R149
150
SWITCHING
Q113
KRC104 S
3.4V
0V
0V
0V
3.4V
R138
10K
Q114
KRC104 S
0.7V
SWITCHING 0V
Q108
KTC3875 GR
MUTING
R
R116
56
C116
560P
R124
6.8K
R120
3.9K
IC101
R128
C110
C126
AN7345K
5.6K
330P
22/50
22 21 20 19 18 17
Ð Ð
+ +
112K
Hich=T1 Hich=CHROME
112K
+ Ð +
Ð
3 4 5 6 7 8
C125
C109
22/50
330P
R123
6.8K
C115
560P
R115
56
5
C602
C601
0.022
220/16
+B
C603
220/10
C610
C608
1/50
R
0.12
1
C606
R606
4.7K
0.1
C612
0.0033
C614
1/50
C616
4.7/50
C618
1/50
C620
1/50
C622
1/50
C624
1/50
REC_R
R139
10K
0.7V
Q107
0V
KTC3875 GR
MUTING
R
16 15 14 13
56K
56K
9 10 11 12
6