Sharp CD-MPS700 Service Manual page 60

CD-MPS700
MAIN PWB-A1 (1/3)
A BI601
R-CH
1 1
A_GND
2 3
L-CH
3 4
CD_GND
4
5
+B
A+5V
5 6
D_GND
6
7
+B
+8V
7 8
+B
8 9
CNS601
+B
B
LD+7V
10
A_5V
+B
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
TAPE1
PLAYBACK HEAD
1
2
3
F
ERASE HEAD
1
2
3
4
5
6
7
G TAPE2
RECORD/
PLAYBACK HEAD
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
R617
2.2K
+B
R619
R616
330
2.2K
R618
330
C102
560P
T1_R
1
A_GND
2
T1_L
3
SWITCHING
CNP101
C101
Q102
560P
KTC3200 GR
0V R104
2.2K
0.7V
0V
M_GND
C104
1
0.7V
180P(CH) R106
ERASE
2
3.3K
T2_R2
0V
3
Q104
A_GND
KTC3200 GR
4
T2_R1 SWITCHING
5
T2_L1
6
T2_L2
7
CNP102
SWITCHING
C103
Q103
180P
KTC3200 GR
0V
0.7V
R105
0V 3.3K
0.7V
Q101
0V
KTC3200 GR
SWITCHING
2 3
Figure 6-5 SCHEMATIC DIAGRAM (5/10)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
AUDIO SIGNAL
R605
10K
R613
390 R986
8.2K
Q601
KTC3875 GR
R988
2.2K
R607
3.9K
R611
2.2K
R610
2.2K
R987
2.2K
C631
0.01
R146
10K
9.3V
8.6V
SWITCHING
Q112
9.3V
KTA1504 Y
R112
15K
R102
1K
R101
1K
R
C108
330P
0V
0V
0V
L
330P
C107
IC101
AN7345K
PLAYBACK
0V
AND
0V
RECORD/
PLAYBACK
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
3 +
-
LOUT
C607
4
0.082
C605
LBASS
5
0.1
LTRE
C611
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
R147 KRC104 S
10K
0V 3.4V
R148
4.7K
0V
0V
3.4V
Q114
KRC104 S
SWITCHING 0V
R
L
R116
56
C112
C116
47/25
560P
C114
0.039
R124
R118 2.7K
100K
R120
3.9K
R114
IC101
1K
R128
C110
AN7345K
5.6K
330P
24 23 22 21 20 19 18
-
+
112K
Hich=T1 Hich=CHROME
112K
+ -
1 2 3 4 5 6 7
C109
330P
R113
1K
R123
C113 2.7K
0.039
C115
560P
R115
56
5
C653 C601 C602
0.022
220P 220/16
24
CLK
+B
23
VDD
C603
220/10
VREF
22
C610
C608
1/50 R
0.082
ROUT
21
C606
RBASS R606
20
3.9K
0.1
RTRE
C612
19
0.0022
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
0V
Q108
KTC3875 GR
KTC3875 GR
MUTING MUTING
C126
22/50
17 16 15 14 13
-
+
56K
56K
+
-
8 9 10 11 12
C125
22/50
6