Sharp DX-SX1H Service Manual page 22

DX-SX1H
A
CNP101
1
2
B
3
P19 10 - G
4
CNS101B
5
TO MAIN PWB
6
7
8
C
1
2
3
4
5
6
P25 12 - F
7
CNP904
TO SACD PWB 8
D
9
10
11
12
13
E
F
POWER PWB-B1
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 41.
1
A+B
13.9V
R192
A_GND 22K
0V
A_GND
0V
R193
22K
A-B
-14.1V
13.3V
D+B
(12.9V)
D_GND
RP103
0V
0V
2.2 Posistor
P-IN (2.5V)
D_5V
R101
5.0V
+B
5.6K
+B
A_5V
5.0V +B
FILAMENT(+)
-25.0V
AT_5V
+B 5.0V
FILAMENT(-)
-25.0V
AT_8V
+B
7.7V
-B
-30V -31.4V
M_GND
0V
A_GND
0V
D_GND
0V
D_3.3(H)
3.6V
D_3.3(L)
3.6V
D_5V
+B 5.0V
VM
+B
-B
( ) :SACD PLAY
2
Figure 22 SCHEMATIC DIAGRAM (5/11)
C151
3900/25
C152
3900/25
C114
6800/25
R102
2.7K
C102
C101 IC101
22/50
22/50
KIA7805P
VOLTAGE REGULATOR
5.0V
1
C108
2
0.1(ML)
0V
13.4V
7.7V
+B (12.8V)
Q117
2SD2061 F
8.3V
Q118
2SC1740 SR
8.9V
C111
100/16
3.6V VOLTAGE REGULATOR
+B
2.5V
VARIABLE REGULATOR
3 4
– 22 –
C128
0.1
C129
0.1
RP105
2.2
Posistor
C125
0.1
13.3V
13.4V
3
(12.9)
RP107
0.7
RP106
Posistor
0.7
Posistor
13.4V
(12.8V)
R184
R183
5.0V
470
220
+B C127
47/25
C120
0.022
RP109
2.2 Posistor
Q119
3.2V
2SD1858 R2
C116
C121
0.001
0.01
3.7V
R185
3.7V
33
3
1
2
0V
IC103
NJM431L
5
RP10
D108
0.7 Posis
D4SBS6
C136
0.1
-14.1V
C137
0.1
RP102
0.7
Posistor
D109
D4SB60L
F102
T2A L 250
C133
0.1
-10V
C134
0.1
F103
T2A L 250
IC102
BP5220
DC/DC CONVERTER
1 2 3 4 5 6 7 8 9
0V 0V 13.3V
5.0V
(12.7V)
C
10
C139
0.01
+B
D101
5.0V
11ES
R188
220
+B
C131
0.01
-B
C118
0.01
6