24
24
HCD-EP404
6-8. Schematic Diagram PANEL Section
• See page 15 for Waveforms.
4.9
4.9
4.8
4.8
4.9
0
0<5>
4.8
0
4.8
0
0
0
4.8
4.8
2.4
2.4
0
0
5.4
5.4
0
4.8
4.7
0.2
2.4
4.3
No mark: FM
< > : CD
2.4
4.8
4.8
3.2
1.6
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
4.8
4.9 <5.4>
4.8
2.6
2.3
4.8
4.8
5,4
5,4
0
0<4.8>
0
4.8<0>
0
4.8
0
4.9
2.3
<4.9>
5.4
4.9 <0>
4.9
4.9
4.9
4.9
0
4.8
0
5.7
4.8
4.8
4.8
6.2
5.3
5.4
5.7
DISPLAY BOARD
LED BOARD
MUSIC MENU
MEGA BASS
TUNING-
PRESET-
DISPLAY
TIMER
TUNER
TAPE
CD
TUNER MEM
ENTER
PLAY
MODE
SEL2215S
2SC536N
0
10V
50V
2SC536N
0
50V
PST529D
0.1
VOLUME
ENCODER
0.001
0.001
2SC536N
SWITCHING
SEL2215S
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
2SC536N
SEL2910D
SEL2910D
SEL2910D
(LIQUID CRYSTAL DISPLAY)
IC302
IC304
X302
REMOTE CONTROL
RECEIVER
RESET SIGNAL
GENELATOR
+5V REG
EEP ROM
LED DRIVE
LED
DRIVE
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
• See page 29 for IC Pin Function Description.