HCD-CPX1
3737
6-16. SCHEMATIC DIAGRAM – BACK LIGHT/LCD/SWITCH Boards – • See page 30 for Waveform. • See page 40 for IC Block Diagram.
R810
C801
C805
C803
C804
C806
C841
C842
R801
C802
R806
R807
R808
R809
C814
C815
C816
C811
D801 D802 D803 D804 D805
C813
C812
C808 C807
R812 R813 R814
R815 R816 R817 R818 R819
R820 R821 R822 R823 R824 R825
R831
R832 R833 R834 R835
S802 S803 S804S801
S806 S807 S808S805 S809 S810
S812 S817S813 S814S811 S815 S816
R841
R842
R843
R844
R845
R846
LCD801
D807 D808D806
CN802
R805
RV803 RV802 RV801
C809C810
CN801
Q805Q804Q803Q802Q801
R854R853R852R851 R855
CN803 CN804
IC801
IC803
100
0.1
100p
100p
100p
100p
0.01
0.01
470k
100p
100
100
100
100
0.01
0.01
0.01
47
10V
SEL5220S SEL5921A SEL5921A SEL5921A SEL5921A
0.01
0.01
0.01 0.01
1k 2.2k 2.2k
1k 2.2k 2.2k 4.7k 10k
1k 2.2k 2.2k 4.7k 10k 22k
470
470 470 470 470
470
470
470
470
470
470
SELS6B14C SELS6B14CSELS6B14C
9P
220k
0.010.01
19P
DTC114EKADTC114EKADTC114EKADTC114EKADTC114EKA
100100100100 100
4P 4P
NJL74H400A
BU9728AKS
SEG7
SEG6
SEG5
SEG4
SEG2
SEG1
SEG0
COM2
COM0
S
E
G
8
S
E
G
9
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
8
S
E
G
1
9
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
S
E
G
1
7
S
E
G
1
1
SEG3
COM3
COM1
S
E
G
1
0
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
S
E
G
2
0
S
E
G
2
1
S
E
G
2
2
S
E
G
2
3
S
E
G
2
4
S
E
G
2
5
S
E
G
2
6
S
E
G
2
7
S
E
G
2
8
S
E
G
2
9
S
E
G
3
0
S
E
G
3
1
G
1
G
2
G
3
G
4
G1
G2
G3
G4
TA
P
E
T
U
N
E
R
C
D
D
S
G
S
T
A
N
D
B
Y
B
A
S
S
_
A
B
A
S
S
_
B
T
R
E
B
L
E
_
A
T
R
E
B
L
E
_
B
CD
TAPE
STANDBY
TUNER
DSG
BASS_B
TREBLE_B
TREBLE_A
VOL_B
VOL_A
SIRCS
BASS_A
V
O
L
_
A
V
O
L
_
B
SIRCS
D806-808
(LCD BACK LIGHT)
+3.3V(EVER)
GND
LCD RESET
LCD C/D
LCD CS
LCD DATA
LCD CLK
LED GND
BACK LIGHT +7V
LIQUID CRYSTAL
DISPLAY DRIVER
ROTARY ENCODER
VOLUME
ROTARY ENCODERROTARY ENCODER
TREBLEBASS
+7V
LED GND
LED TAPE
+3.3V(EVER)
LED TUNER
D-GND
SIRCS
LED STANDBY
LED DSG
KEY3
KEY2
KEY1
TREBLE-A
VOL-B
VOL-A
LED CD
TREBLE-B
BASS-A
BASS-B
DSG
TUNING +
TUNING -
(CD)
(CD)
CD REPEAT
FM MODE
PLAY MODE/
DIRECTION
TUNING MODE
FUNCTION
DISPLAY CD SYNCHRO
TUNER
BAND
REC
TAPE
TAPE
LED DRIVELED DRIVELED DRIVELED DRIVELED DRIVE
DSG(STANDBY)
TUNER
BAND
OUT
GND
3.3V
REMOTE
CONTROL
RECEIVER
LED_GND
BACK_LIGHT1
BACK_LIGHT3
BACK_LIGHT2
LED_GND
BACK_LIGHT1
BACK_LIGHT3
BACK_LIGHT2
LIQUID CRYSTAL DISPLAY
CD
(TAPE)
(Page 33)
(Page 33)
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w
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3
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c
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m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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