– 33 –
MD-MX30/MX30W
Figure 33 BLOCK DIAGRAM (2/5)
6
10
7
11
4
3
1
9
15
2
14
8
13
5
12
RL900
F802
F801
F801,F802
MD-MX30: 4A 125V
MD-MX30W: T4A L 250V
F803
2.5A 125V
OR
2.5A 250V
3
1
2
7
1
6
2
5
3
8
4
SO900
L900
LINE FILTER
R900
LINE CHASSIS RESISTOR
AC INPUT
AC120V
60Hz
C900 0.0047/250V
LINE CAPACITOR
POWER TRANSFORMER (SUB)
POWER TRANSFORMER (MAIN)
D900-D903
D801
D802-D805
Q801
IC802
KIA7812AP
IC803
KIA7806AP
POWER
POWER
ICV01
STK40203
POWER AMP.
SOV01
SPEAKER
TERMINAL
QS01
QS02
MUTE
SYS-MUTE
JD01
HEADPHONES
JACK
SWU01
SPAN SELECTOR
(MD-MX30W Only)
50/9
100/10
FM/AM(kHz)
Q900
MAIN
POWER
MD-MX30
POWER
ICS01
KIA4558P
OPE AMP.
VCC -VCC
+B3
-B3
SUR-ON/OFF
+VCC
-VCC
+B1
-B2
QV55
SWITCHING
SWITCHING
FAN-H/L
SP-PROT
SP LEVEL
M
QV54
FAN
MOTOR
MV01
FAN-MOTOR
+B13
+B10
+B10
–30V
–B1
+B1
-B2
TOR
–B1
TO DISPLAY SECTION
SECTION
SURROUND
SWITCHING
MOTOR DRIVER
MOTOR-LOCK
IC801
MD-MX30:AN78L05
MD-MX30W:KiA7805AP
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
-B3
+B3
+B13
-12V(A)
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
D806-D808
RELAY
DRIVER
T991
T901
3
2
1
3
2
1
IC804
KIA7805AP
VOLTAGE
REGULATOR
3
2
1
QU01
QU02
QU03
QV01
QV02
SWITCHING
QV50
QV51
SWITCHING
QV03
QV04
QV05
SWITCHING
PROGRAM
QV53
CNPU02 TO CNSD01
CNPD01
RL900
F803
T2.5A L 250V
F900
T2A L 250V
SW900
VOLTAGE
SELECTOR
110V
127V
220V
230-240V
SO900
L900
LINE FILTER
AC INPUT
AC110/127/220/230-240V
50/60Hz
C900 0.0047/250V
LINE CAPACITOR
POWER TRANSFORMER (SUB)
POWER TRANSFORMER (MAIN)
D900-D903
POWER
Q900
Q901
POWER
MD-MX30W
POWER
+B10
RELAY
DRIVER
T991
T901
QV52
MD-MX30:
From Serial Number [No.004xxxxx]
MD-MX30W