Service manual
CD-MD3000H/CD-MD3000W
– 58 –
Figure 58 SCHEMATIC DIAGRAM (5/16)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
TO MAIN PWB
CNP935
LCD720
LCD DISPLAY
TO MAIN PWB
CNP931
CNS720
5
6
7
8
9
10
11
1
2
3
4
CD SWITCH PWB-B3
P57 12-E
Q707
KTC3203 Y
R748
10K
LED738
LNG995PF
R790
330
R789
150
R788
330
C705
10P
BI720
CNP721
C706
0.022
LED735
LNG995PF
LED737
LNG995PF
BI705B
BI705A
R720
6.8K
R710
4.7K
R735
33K
C703
0.022
R792
2.7K
R733
1.8K
R726
2.2K
Q724
KRA102 M
Q720
KRA102 M
Q721
KRA102 M
Q723
KRA102 M
Q725
KRA102 M
Q722
KRA102 M
R791
2.7K
R723
1.8K
R712
2.2K
R708
2.7K
R729
15K
R736
33K
R721
6.8K
R711
4.7K
R707
2.7K
R728
15K
R747
1K
LED759
K5052UL
C708
0.022
LED731
HLMP1700
R705 1K
R701 1K
R702 1K
LED754
K5052UL
LED756
K5052UL
LED757
K5052UL
LED758
K5052UL
BI722B
R704 1K
R703 1K
R706 1K
LED755
K5052UL
BI722A
CNP701
C716
2.2/50
R750
100
C709
47/25
C707
100P
SW701
POWER
R715
1K
R714
1K
R713
1K
C704
10P
R731 1K
R730 1K
BI702
L702
2.2µH
L701
2.2µH
R749
1K
SW780
MD EJECT
LED_4
LED_1
LED_2
LED_3
LED_5
LED_6
CNS702
RX701
REMOTE
SENSOR
IC702
OUTPUT
EXPANDER
BU2092F
IC702
SW724
CD 5
EJECT
SW725
CD 6
EJECT
SW720
CD 1
EJECT
SW722
CD 3
EJECT
SW723
CD 4
EJECT
SW712
VOLUME
UP
SW711
VOLUME
DOWN
SW721
CD 2
EJECT
SW731
CD 2
PLAY
SW710
PANEL
OPEN/CLOSE
SW734
CD 5
PLAY
SW735
CD 6
PLAY
SW730
CD 1
PLAY
SW732
CD 3
PLAY
SW733
CD 4
PLAY
5V
0.1V
5V
3.1V
3.4V
Q10
VDD
__
OE
Q11
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLOCK
DATA
VSS
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
3 2 1
9
8
7
6
5
4
3
2
1
2
1
2
1
6
5
4
3
2
1
6
5
4
3
2
1
11
10
2
1
2
1
6
5
4
3
2
1
5
4
3
2
1
SDA
SCL
VDD
VSS
VLCD
SCL
SDA
D_GND
DIMMER
LED_1
LED_2
LED_3
LED_4
LED_5
LED_EG
POW_IND
DATA
CK
LCK
KEY0
KEY1
POW_KEY
REMOCON
D_GND
D_+B
A_+B
1
LED A PWB-B2
MD SWITCH
PWB-B10
+B
+B
+B
+B
DISPLAY PWB-B1
VDD
A_+B
+B
+B
+B
+B
+B
+B
+B
5
P57 12-G
0.8V
0.1V
0.2V
5V
5V
0V
0V
0V
0V
0V
1.8V
0.3V
8.8V
8.8V
5V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
9.8V
9.8V
9.8V
9.8V
9.8V
9.8V
10V
10V
10V
10V
10V
10V
1
1
1
1
1
1
2
2
2
2
2
2
3
3
3
3
3
3