-22-
SCHEMATIC DIAGRAM - 3/5 (MAIN -1/3, CPU SECTION)
3V3
5VD
2V5
3V3
3V3
3V3
3V3
3V3
3V3
2V5
2V5
2V5
3V3
3V3
2V5
2V5
2V5
3V3
3V3
2V5
15D
23D
12D
14D
10D
11D
MAIN C.B (CPU SECTION)
31D
33D
30D
16D
17D
18D
19D
13D
34D
6C
3C
2C
5C
4C
10C
9D
8D
7D
6D
5D
4D
1D
2D
3D
1C
12C
11C
9C
7C
8C
20D
3E
2E
1E
To
MAIN C.B -2/3
To
MAIN C.B -2/3
To
MAIN C.B -3/3
To
MAIN C.B -2/3
To
MAIN C.B -2/3
ICS1
STI5519
CPU
LL
LL
LL
LL
2SC1623
2SC1623
2SC1623
M74HCU04MIR
RM7
47K
RM23
47K
RM25
47K
/50V
/16V
/16V
/16V
NOTE :
10n = 0.01uF
100n = 0.1uF
4K7 = 4.7k
NOT
USED
8
9
10
11
12
: WAVEFORMS No.
: VIDEO SIGNAL
: AUDIO SIGNAL
: RGB SIGNAL
: Y SIGNAL
: CHROMA SIGNAL
R
R
G
G
B
B
R
G
B
14
(AT TRAY CLOSE)
13
(AT TRAY OPEN)
w w w . x i a o y u 1 6 3 . c o 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