Sharp MD-R3H Service Manual page 44

MD-R3H
A
MIC PWB-B3
R350
100
B
J351
MIC
C370
0.1
C
FC402
24
BACK UP 5V-
FILMNT 2- 23
D
22
5V-
FILMNT 1- 21
µ-COM GND-
20
19
–31V-
DFS- 18
MD DSTB- 17
MD DSCK- 16
MD K-DATA- 15
MD DATA- 14
MD LO/EJ- 13
P-IN- 12
MD P-OUT- 11
P MUTE- 10
9
RESET SW-
8
MD SYN-
7
MD LOAD-
E
MD S-ID- 6
5
MD RESET-
DAC CLK- 4
3
DAC DATA-
DAC MODE- 2
1
DIG-SW-
CNP901
F
SW950
POWER
SW980
CD-PLAY
G
SW981
CD-STOP
SWITCH PWB-B4
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 33.
1
P46 1 - C
TO MAIN PWB
CNP351
1 2 3 4
1 2 3 4
C358
100/10
–8.2V
0V
+
5 4
C355
(1/2)
7
220P
– IC351-1
6
C353
R355
0V
0.1 NJM4560D
1K
R359
MIC AMP.
100K
C351
R353
R351
100P
4.7K R357
100K
(CH)
820
C359
680P
R354
R352
4.7K
100K
8.23V
0V
+
3 8
R356
C354
C356
1K
0.1 1
(1/2)
220P
–
IC351-2
2
0V
R360 NJM4560D
100K
R358
820
C360
680P
+B
C910
10/16
R966
1.2K
SW982
DISC1
1 1
SW983
DISC2
4 4
SW984
DISC3
SWITCH PWB-B5
2
Figure 44 SCHEMATIC DIAGRAM (5/10)
5 6
CNS351
BI351
5 6
C361
10/16
1.2V
R361
47K
C357
100/10
1.2V
C362
10/16
R362
+B
47K
–B
+B
L901
22µH
+B
C906
C907
1
1/50
–B
+B
+B
7 7
D-3 +B
D-2 R977 220
D-1 R976 220
R975 220
1 1
3 4
– 44 –
P47 11 - B
P46 4 - A
TO MAIN PWB TO MAIN PWB
CNP101 CNP652
CNS652
CNS101 1 2 3 4 5 6 3 2 1
VR651-1
1K(C)
HEADPHONES
VR101-1
5K(B)
VR651-2
1K(C)
VR101-2
5K(B)
REC
VOLUME.
R964 R962
10K 10K
SW951
MD-PLAY
SW952
MD-STOP
SW953
MD-REC
SW985
SW954
DISC1
CUE
OPEN/CLOSE
SW986
DISC2
OPEN/CLOSE
SW987
DISC3
OPEN/CLOSE
SW988
START
SW989
TOC-EDIT
BU2092F
INPUT/OUTPUT EXPANDER
0.4V
9 D-1
JP908 1K
0.03V
8 LD ON
JP918 1K
0.03V
7 MOD1
JP917 1K 0.03V
6 MOD0
0.09V
5 CD
0V
4 LCK
4.6V
3 CLK
0V
2 DATA
0V
C992
1 VSS
100P
(CH)
5
HEAD
VOLUME
1 1
2 2
3 3
C659
CNP651
CNS651
0.022
R963
10K
SW955
MD-EJECT
SW956
ENTER
R946
6.8K
SW957
NAME
B
SW958
TIMER
SW959
DISP
SW960
REVIEW
SW961
INPUT
SW962
PROGRAM
IC990
0.4V
D-2
10
0.4V
D-3
11
12 0.02V
0.02V
13
0.02V
14
0.03V
DIG-SW 15
0.01V
HS 16
0V
OE
17
5.09V +B
VDD 18
C980
0.1
6