Sharp MD-MX30 Service Manual page 33

VOLTAGE
REGULATOR
-12V(A)
-B3
3
IC802
1
KIA7812AP
2
VOLTAGE
REGULATOR
+B3
-B2
+B1
VOLTAGE
REGULATOR
3
IC803
1
KIA7806AP
2
VOLTAGE
REGULATOR
–30V
–B1
VOLTAGE
REGULATOR
3 IC804
1
KIA7805AP
2
TOR
+B13
+B10
IC801
MD-MX30:AN78L05
MD-MX30W:KiA7805AP
1 3
2
VOLTAGE
REGULATOR
-B2
MUTE
QU01
QU02
QU03
-B3
+B3
VCC -VCC
8
4
5 7
3 1
6
2 ICS01
KIA4558P
OPE AMP.
QS01 SURROUND
QS02 SWITCHING
SUR-ON/OFF
50/9
FM/AM(kHz)
100/10
SWU01
SPAN SELECTOR
(MD-MX30W Only)
SECTION
CNPD01
MD-MX30
MAIN
F801,F802
MD-MX30: 4A 125V
MD-MX30W: T4A L 250V
F801
D801
F802
D802-D805
F803
2.5A 125V
OR
2.5A 250V
Q801
D806-D808
POWER
RL900
Q900
RELAY
DRIVER
+B10
T901
POWER TRANSFORMER (SUB)
D900-D903
POWER
LINE CHASSIS RESISTOR
+B1
ICV01
+VCC
STK40203
-VCC
8 POWER AMP.
9
5
1 6 7
15
10 11
4
3
2
12
14
13
SP LEVEL
FAN-H/L
QV53
+B13
SWITCHING
MOTOR-LOCK
QV54
MOTOR DRIVER
FAN-MOTOR
QV55 QV52
SWITCHING
FAN
M
MOTOR
MV01
JD01
HEADPHONES
JACK
Figure 33 BLOCK DIAGRAM (2/5)
POWER
T991
POWER TRANSFORMER (MAIN)
AC INPUT
AC120V
60Hz
Q901
VOLTAGE
REGULATOR
L900 SO900
LINE FILTER
R900
POWER
SWITCHING
QV03
QV04
QV05
PROGRAM
SWITCHING
QV50
QV51
SWITCHING
QV01
QV02
SP-PROT
MD-MX30:
From Serial Number [No.004xxxxx]
MD-MX30W
–B1
TO DISPLAY SECTION
CNPU02 TO CNSD01
– 33 –
MD-MX30/MX30W
MD-MX30W
POWER
T991
POWER TRANSFORMER (MAIN)
F803
T2.5A L 250V
POWER
RL900
VOLTAGE
Q900
SELECTOR
RELAY
DRIVER
+B10
T901
C900 0.0047/250V
POWER TRANSFORMER (SUB)
LINE CAPACITOR
D900-D903
F900
T2A L 250V
L900
LINE FILTER
SO900
AC110/127/220/230-240V
SOV01
SPEAKER
TERMINAL
SW900
AC INPUT
50/60Hz