– 59 –
MD-E9000H
Figure 59 SCHEMATIC DIAGRAM (8/12)
7
8
9
10
11
12
A_GND
Vcc
Vcc
A_GND
–
+
M
A_GND
+B
A_GND
Vcc
P_IN
VF2
VF1
–VP
Vcc
+B
A_GND
A_GND
+B/2
POWER AMP. PWB-C3
1
POWER PWB-C2
SP-L(–)
SP-L(+)
SP-R(+)
SP-R(–)
UN-SW_5V
+B/2
M_GND
SW_5V
AC_RLY
M_GND
SW_5V
UN-SW_REG
UN-SW_5V
1
2
2
1
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
4
3
1
2
6
5
7
4
3
2
1
1
4
2
1
3
5
3
14
L
VCC1
+
+
–
–
AC POWER
SUPPLY CORD
CNS701
P55 12 - E
TO DISPLAY PWB
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
When Servicing, pay attention as the
area enclosed by this line ( ) is
directly connected with AC main voltage.
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
T.F.
Q971, Q972: FAN MOTOR DRIVER
RELAY DRIVER
R911
1K
C914 100/25
C925
0.1(ML)
R923
4.7
C923
0.1(ML)
C926
0.1(ML)
R924
4.7
C924
0.1(ML)
C917
0.022
L903
0.29
µ
H
L901
0.29
µ
H
L904
0.29
µ
H
L902
0.29
µ
H
C918
0.022
R916
6.8
C920
0.022
R918
6.8
R915
6.8
C919
0.022
R917
6.8
C934
0.022
C932
0.022
R922
6.8
C930
0.022
C928
0.022
R920
6.8
C927
0.022
C929
0.022
R919
6.8
C931
0.022
C933
0.022
R921
6.8
C937
0.022
C921
0.022
C936 0.022
C939 470P
C940 470P
C922
0.022
C938
0.022
R984
47(1/2W)
R979
330
R974
10K
R975
2.2
C973 47/25
Q972
KTA1266 GR
CNP971
R972 33K
C972 47/25
D973
DS1SS133
C971 4.7/50
R977
10K
R973
3.3K
Q971
KTC3203 Y
R978
10K
D972
DS1SS133
JK981
HEADPHONES
R982
270
C982
4.7/50
C983
220P
L981 2.2
µ
H
C984 220P
C981 4.7/50
R981 270
SO901
SPEAKER
TERMINAL
M905
FAN
MOTOR
CNS971
SO801
AC INPUT
SOCKET
AC 230 V, 50 Hz
D871
DS1SS133
C871
0.0047/250V
L871
AC LINE
FILTER
RL800
C805
220/50
C812
0.047
PT801
MAIN POWER
TRANSFORMER
R805
220K
R804 220
R803 12K
R802 220
C810 100/35
D877
DS1SS133
D801
TS6B04GM
C804
0.047
(ML)
C803
0.047
(ML)
D805
RL203F
D802
RL203F
D804
RL203F
D803
RL203F
C802
0.047
(ML)
C801
0.047
(ML)
D806
DS1N404S
C806 220/50
D807
DS1N404S
D808
DS1N404S
C807 47/50
C808 47/50
R801
1K
ZD801
DZ30BSC
Q801
KTA1266 GR
C809 47/50
ZD802
DZ6.2BSA
ZD803
DZ12BSB
R806
47K
R871
220
C874
1000/6.3
Q871
KTC3199 GR
R872
47K
C875
0.022
R873
1K
CNP871
D809
DS1SS133
C873
1000/16
D873
D876
D874
D875
C811
0.0022
C872
0.047
(ML)
ZD871
DZ3.0BSA
D872
DS1SS133
PT871
SUB POWER
TRANSFORMER
F803
T2.5A L 250V
F802
T2.5A L 250V
F801
T6.3A L 250V
CNP903
BI903A
BI903B
CNS903
948
00/25
949
00/16
UN-SW_REG
R928
2.2K
C947
6800/25
D873~D876:
DS1N404S
C990
0.1