Sharp MD-R2 Serivce Manual page 32

MD-R2
A
CNS903
AUX_AMP_R_IN
1
AUX_AMP_L_GND
2
AUX_AMP_L_IN
3
TO MAIN
AUX_AMP_R_GND
4
PWB
AUX_VR_L_OUT 5
CNP473
GND OPEN 6
B P31 12 - C
AUX_VR_R_OUT 7
HP_AMP_GND
8
9
HP_AMP_L_OUT
10
HP_AMP_R_OUT
RESET SW
11
NC 12
FILMNT 2
24
FILMNT 1
23
AD5V
22
BACK-UP5V
C 21
-COM GND 20
–31V 19
D-1.2
18
DAC CLK
17
DAC MODE
16
DAC DATA
15
DFS
14
TO MAIN PWB
MD DSCK
13
CNP472 MD K-DATA
12
P30 6 - H
MD 7.5/5V 11
MD DSTB
10
9
P-IN
MD P-OUT 8
P-CNT
7
P MUTE
6
MD DATA 5
D
4
MD RESET
MD S-ID 3
MD LOAD
2
MD SYN
1 1
CNP902
E
F
G
DISPLAY PWB-B1
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 43.
1
HEADPHONES PWB-B3
VR901-1
5K(B)
AUX
Volume
VR901-2
5K(B)
VR981-1
1K(C)
3 3
2 2
1 1
VR981-2
CNP904
1K(C) CNS901
Headphone
Volume
C908
1
C920
10/16
R926
1K
ANALOG RECORD SIGNAL
2 3
Figure 32 SCHEMATIC DIAGRAM (3/6)
J981
R
HEADPHONES
L
C983
0.1
L901
22 H
R970
UN970
1K
REMOCON
2
3
1
C970
100P
4
– 32 –
R968
R969
10K
10K
SW955
M-EJECT
1 2 3
CNS902
R954
SW956
1 2 3
1K
ENTER
CNP903
SW950
POWER R955
SW957
1.2K
NAME
SW951
M-PLAY
SW958 R956
TIMER 1.5K
SW952
M-STOP
R957
SW959
DISP 1.8K
R958
SW960
SWITCH PWB-B2
REVIEW 2.7K
SW961
R959
AUX
3.9K
SW953
R952
R960
SW962
M-REC 1.5K
PROGRAM 33K
R953
SW954
1.8K
CUE
A/D 5V
R921
10K Q901
DSTB
2SC2412 KR
R923
10K
R920
470K
R922
10K
MD DATA Q902
2SC2412 KR
R924
R972 10K
470K
5 6
R9
12
R9
6.8
B