Download Service Manual

7-1
7-1
5
4
3
2
1
Front Board Electric Diagram
VCC
D
U5V
D
R315
REM301
)5200$,1%2$5'
5
5
4
4
VCC
GND
IR
3
2
1
IR
100R/NC
+
REM
XS301
for dvp331x
IR
VCC
GND
DATA
CS
CLK
C306
0.1u
C315
47p
WAKE_SW
U5V
1
2
3
4
5
6
7
8
9
10
11
R320
V CC
0R
1
2
3
4
100 ohm R318
LED+
LEDPOWER_K1
POWER_K
XS302
CON4(2.0)
CE301
47uF
C316
100p
IR
DATA
CS
CLK
U5V
STB_LED
C307
100p
C308
100p
VCC
POWER_K
STB_LED
R303 R304 R305
5VL
CON11(2.0)
LEDC309 C310
0.1uF 0.1uF
R306
4K7
C
DATA
CLK
CS
R300
R301
R302
4K7
51K
4K7
100
100
100
R307
R308
10K
10K
R309
R310
100P
C303
0.1u
U301
ET6202
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1K
1K
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
C300 C301 C302
100P 100P
R317 33R
CE300
+
GRID[1:7]
OSC
DI/O
CLK
STB
KEY1
KEY2
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
GND
GRID1
GRID2
GND
GRID3
GRID4
GND
VDD
SEG14/GRID5
SEG13/GRID6
SEG12/GRID7
SEG10/KS10
SEG9/KS9
SEG8/KS8
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GRID1
GRID2
GRID3
GRID4
5VL
GRID7
GRID6
GRID5
LED+
R316 33R
LED1
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
1
2
3
4
5
6
7
8
9
10
11
12
13
C
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
JDD350501AG
47uF
SEG[1:6]
KEY1
KEY2
K301
B
1N4148
D301
R312
1N4148
D302R311
1K
1K
R313
KS2
1K
K302
open/close
WAKE_SW
B
POWER_K
R314
R319
0R
play/pause
0R/nc
POWER_K1
C304
100p
C305
100p
A
A
5
4
3
2
1