CS
1
NC
2
RD
3
WR
4
DATA
5
VSS
6
OSC1
7
VDD
8
VLCD
9
IRQ
10
BZ
11
NC
12
BZ1
13
T1
14
T2
15
T3
16
COM0
17
COM1
18
NC
19
NC
33
NC
34
NC
35
NC
49
NC
50
NC
51
OSC
52
SE
G
20
53
SE
G
21
54
SE
G
22
55
SE
G
23
56
SE
G
24
57
SE
G
25
58
SE
G
26
59
SE
G
27
60
SE
G
28
61
SE
G
29
62
SE
G
30
63
SE
G
31
64
COM2
20
COM3
21
COM4
22
COM5
23
COM6
24
COM7
25
SE
G0
26
SE
G1
27
SE
G2
28
SE
G3
29
SE
G4
30
SE
G5
31
SE
G6
32
SEG7
36
SEG8
37
SEG9
38
SEG10
39
SEG11
40
SEG12
41
SEG13
42
SEG14
43
SEG15
44
SEG16
45
SEG17
46
SEG18
47
SEG19
48
IC204
HT1622
COM0
1
COM1
2
COM2
3
COM3
4
COM4
5
COM5
6
COM6
7
COM7
8
SEG0
9
SEG1
10
SEG2
11
SEG3
12
SEG4
13
SEG5
14
SEG6
15
SEG7
16
SEG8
17
SEG9
18
SEG10
19
SEG11
20
SEG12
21
SEG13
22
SEG14
23
SEG15
24
SEG16
25
SEG17
26
SEG18
27
SEG19
28
GND
29
GND
30
GND
31
GND
32
LC
D
20
1
LC
D
28
VCC
1
IR
2
GND
3
IR201
IR
R
23
8
1K
R254 100
R248
220
R249
220
R250
220
R251
220
C202
10U/16V
C204
100U/16V
R231
10K
L260
10UH
R232
10K
R233
10K
R234
10K
C293
104
C
20
5
10
0U
/1
6V
C295
104
R263
47K
LCD01
LCD02
LC
D
03
LC
D
04
LC
D
05
LC
D
06
LC
D
07
LC
D
08
LC
D
09
LC
D
10
LC
D
11
LC
D
12
LC
D
13
LC
D
14
LC
D
15
LCD16
LCD17
LCD18
LCD19
LCD20
LCD21
LCD22
LCD23
LCD24
LCD25
LCD26
LCD27
LCD28
LCD01
LCD02
LCD03
LCD04
LCD05
LCD06
LCD07
LCD08
LCD09
LCD10
LCD11
LCD12
LCD13
LCD14
LCD15
LCD16
LCD17
LCD18
LCD19
LCD20
LCD21
LCD22
LCD23
LCD24
LCD25
LCD26
LCD27
LCD28
MCU+5V
LED VCC
Q215
8050
Q218
8050
LED401
wite
R241
470
R242
470
R239
470
R243
470
R240
470
R244
470
R246
470
R245
470
C94
104
C
96
10
4
R262
10
R261
10
R
25
3
10
0
R
25
2
10
0
R
25
7
10
0
R
25
6
10
0
LED402
wite
LED403
wite
LE
D
21
8
wite
LED404
wite
LED405
wite
LED406
wite
LE
D
40
7
wite
R235
1k
R237
1k
C200
102
LED USB
Q216
8050
Q217
8050
R236
1k
R255
100
R258
100
C201
102
USB LED
LED DIM1
LED DIM2
KEY01
KEY1
LED VCC
KEY0
LED GND
KEY1
1
2
3
CN209
TO
ECO
KEY
PCB
LED VCC
LED GND
R147
150
K
EY
01
C
29
9
10
2
Q214
8550
LE
D
14
w
ite
R259
100
MCU5V
C203
10U/16V
R264
47k
LEDVCC
ECO LED
ECO LED
TA
18
SW
-P
B
C
98
10
2
1
2
3
CON209
IN DISPLAY PCB
ECO PCB
IR
IRVCC
IRVCC
C
29
7
10
4
MCU+5V
GND
IR
IR PCB
CS
1
2
3
CN201
TO
IR
P
CB
RD
WR
DATA
1 2 3
C0N202
IN DISPLAY PCB
USB LED
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CON106
CON19
1
2
3
4
5
6
7
8
9
10
CN207
CN10/20
USBP
USBM
GND
USB GND
GND
USB GND
GND
USBM
USBP
9-1
9-1
CIRCUIT DIAGRAM - DISPLAY BOARD
Summary of Contents for MCD299
Page 14: ...WIRING DIAGRAM 5 2 5 2 ...
Page 18: ...LAYOUT DIAGRAM AMP PCB 7 2 7 2 ...
Page 27: ...LAYOUT DIAGRAM MAIN PCB TOP 8 9 8 9 ...
Page 28: ...LAYOUT DIAGRAM MAIN PCB BOTTOM 8 10 8 10 ...
Page 29: ...LAYOUT DIAGRAM VIDEO PCB USB PCB VGA PCB USB PCB VGA PCB VIDEO PCB 8 11 8 11 ...
Page 31: ...LAYOUT DIAGRAM DISPLAY PCB 9 2 9 2 ...