Sharp MD-R2 Serivce Manual

MD-R2
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A
B
C
D
E
F
G
H
1
23456
Figure 32 SCHEMATIC DIAGRAM (3/6)
NOTES ON SCHEMATIC DIAGRAM can be found on page 43.
321
321
1
3
2
11
1
11
33
9
8
7
6
5
4
3
2
22
9
8
7
2
3
4
5
6
MD DATA
SWITCH PWB-B2
HEADPHONES PWB-B3
M-PLAY
M-STOP
MD SYN
MD LOAD
REVIEW
PROGRAM
CNP473
P31 12 - C
TO MAIN
PWB
CNP472
P30 6 - H
TO MAIN PWB
REMOCON
M-REC
CUE
DSTB
A/D 5V
AUX
DISP
TIMER
ENTER
M-EJECT
POWER
MD S-ID
MD RESET
MD DATA
P MUTE
P-CNT
MD P-OUT
P-IN
MD DSTB
MD 7.5/5V
MD K-DATA
DFS
MD DSCK
DAC CLK
D-1.2
–31V
µ-COM GND
BACK-UP5V
AD5V
FILMNT 1
FILMNT 2
DAC DATA
DAC MODE
NC
RESET SW
AUX_VR_R_OUT
HP_AMP_L_OUT
HP_AMP_R_OUT
GND OPEN
AUX_AMP_L_IN
AUX_AMP_R_IN
HP_AMP_GND
AUX_VR_L_OUT
AUX_AMP_R_GND
AUX_AMP_L_GND
R
L
DISPLAY PWB-B1
B
NAME

24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
10
11
12



R951
1.2K
R950
1K
UN970
CNS902
CNP903
SW954
R953
1.8K
SW953
R952
1.5K
R9
6.
8
R970
1K
R971
100
CNP902
CNS903
CNS901
CNP904
SW952
SW951
SW950
R968
10K
R960
33K
SW962
R959
3.9K
R954
1K
SW955
SW961
SW960
R957
1.8K
R956
1.5K
R955
1.2K
SW959
SW958
SW957
SW956
R958
2.7K
C909
1
C908
1
R969
10K
C920
10/16
C981
0.001
C982
0.001
C983
0.1
J981
VR981-2
1K(C)
VR981-1
1K(C)
VR901-2
5K(B)
VR901-1
5K(B)
R972
470K
C971
10/16
R926
1K
C970
100P
R920
470K
Q901
2SC2412 KR
L901
22µH
R921
10K
R922
10K
R924
10K
Q902
2SC2412 KR
R923
10K
R
9
1
2
Headphone
Volume
AUX
Volume
ANALOG RECORD SIGNAL
HEADPHONES

Sharp MD-R2 Specifications

General

Brand	Sharp
Model	MD-R2
Category	MiniDisc Player
Language	English