Sharp DX-SX1H Service Manual page 20

DX-SX1H
A
B
C
1 10
2 9
3 8
D
4 7
5 6
6 5
7 4
8 3
9 2
10 1
11
12 1
13 2
E
14 3
4
HEADPHONES PWB-A3
F
UN201
REMOTE SENSOR
GP1U271R
1
R202
100
3
C211
2
47/6.3
G
C214
150P
(CH)
C213
150P(CH)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 41.
1
50 49
C201
R201
0.1
33K
-25.3V
+B
D_GND
0V
10
FILAMENT(-)
9
AT-30V -B
-31.5V
8
FILAMENT(+)
-25.1V
7
KEY2
5.0V
6
(DATA)
FIP DA 0.2V
5
(CLK)
FIP CK
4.5V
4
(CS)
FIP CS 4.0V
3
KEY1
5.0V
2
AT 5.0V
+B
1
CNP203
R/C
0V
1
+B
5.0V AT5V
2
D_GND
0V
3
4
CNP202
HP_R_OUT
0V
1 1
A_GND
0V
2 2
HP_L_OUT
0V
3 3
C212
0.1
NC
2
Figure 20 SCHEMATIC DIAGRAM (3/11)
48 47 46 45 44 42 41 40 39 38
43
C202
0.047
(FILAMENT(+))
(AT5V)
-B
(AT-30V)
SW202
SW201
SACD/CD PREV
R224
R204
R203
470 680
470
1
P19 12 - B
CNP305
2
TO MAIN PWB
3
DISPLAY PWB-A2
3 4
– 20 –
FL201
FL DISPLAY
37 35 34 33 32 31 30 29 28 27 26
36
-25.8V -25.8V
-25.7V
-25.7V
D201
DAP202K
D203
DAP202K
SW203 SW205
SW204
PAUSE STOP
PLAY
R208
R206
1.2K
820
5
22 20
25 24 21 19 18 17 16
23
Q203
-28.5V
2SA1037 KR
R226
2.2K
R210 4.9V
2
33K
4.6V
R212
1
0V
4.7K
5.0V
+B
+B
SW206
SW207
NEXT
OPEN/CLOSE
R209
2.2K
C203
0.01
+B
C204
10/16
C205
0.01
XLF201
4.000MHz
R213
1K
(CS)
R214
1K
(CLK)
(DATA)
R215
1K
6