– 41 –
MD-E9000H
Figure 41 BLOCK DIAGRAM (4/4)
SO901
SPEAKER
TERMINAL
JK981
HEADPHONES
IC901
LA4628
POWER AMP.
VF2
+B6
+B6
+B6
+B5
+B2
+B4
+B3
+3.2V
A_+10V
MD+5V
KIA7810AP
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q952
Q942
F802
T2.5A L 250V
Q701
LED701
+B6
+B6
T_STBY
+B6
UNSW +5V
SP_R(–)
SP_R(+)
SP_L(–)
SP_L(+)
P_CONT
–VP
Q871
RESET
Q781
AVSS
LED702
Q702
RLY CONT
RX IN
RESET
CD_OPEN
CD_CLOSE
XIN
XOUT
VSS
LED
ILU
DO
CE
CL
DI
P_MUTE
TO CD
SECTION
KEY
SW701-SW723
KEY 3
KEY 2
KEY 1
G
2
UNSW +5V
Q962
AN78L05
VOLTAGE REGULATOR
D873-876
PT871
SUB POWER
TRANSFORMER
PT801
MAIN POWER
TRANSFORMER
RL800
L871
AC LINE
FILTER
VF1
Q801
SW +5V
CD+B
Q961
+B7
+B1
RX781
REMOTE
SENSOR
D802-D805
D801
M905
FAN MOTOR
M
Q971
Q972
Q951
Q941
F803
T2.5A L 250V
F801
T6.3A L 250V
AC POWER
SUPPLY CORD
AC 230 V, 50 Hz
VDD
XL701
8.3886 MHz
IC701
IX0395AW
SYSTEM
MICROCOMPUTER
FL701
DISPLAY
7
24
14
4
10
3
12
9
8
11
13
6
1
98
91
99
31
32
35
36
37
38
39
40
41
42
43
44
45
28
25
23
22
15
14
8
4
3
2
48
50
62
61
53
52
51
50
21
51
80
20
5
81
97
2
1
3
2
1
+
–
–
+
R
R
L
L
R
L
T.F.
+
–
+
–
TO CD
SECTION
SO801
AC INPUT
SOCKET
+B5
SW724
OPEN/CLOSE
LED
DRIVER
VOLTAGE
REGULATOR
RELAY
DRIVER
FAN MOTOR DRIVER
L
L
R
R
VEE