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ViewSonic Corporation
Confidential - Do Not Copy
22
15
RXE1-
minus signal of even channel 1(LVDS)
16
RXE1+
plus signal of even channel 1(LVDS)
17
GND
Ground
18
RXE2-
minus signal of even channel 2(LVDS)
19
RXE2+
plus signal of even channel 2(LVDS)
20
RXEC-
minus signal of even clock channel (LVDS)
21
RXEC+
plus signal of even clock channel (LVDS)
22
RXE3-
minus signal of even channel 3(LVDS)
23
RXE3+
plus signal of even channel 3(LVDS)
24
GND
Ground
25
GND
Ground
26
GND
Ground or Open
27
GND
Ground
28
VCC
Power supply (5.0 V)
29
VCC
Power supply (5.0 V)
30
VCC
Power supply (5.0 V)
6.5 CN102 (D-SUB Connector)
Pin Symbol
Pin Symbol
Pin Symbol
1
Red video input
6
Red GND
11
NC
2
Green video input
7
Green GND
12
Serial data (SDA)
3
Blue video input
8
Blue GND
13
H / H+V SYNC
4
NC
9
+5V(from PC)
14
VSYNC
5
Cable Detect
10
GND
15
Data clock line (SCL)
7. Key Parts Pin Assignment
7.1 IC802 (TOP246Y, Power Control IC)
Pin
Symbol
I/O Description
1
C
I
Control
2
L
I
Line Sense
3
X
I
External Current Limit
4
S
O
Source of MOSFET(GND)
5
F
I
Frequency
6
D
I
Drain of MOSFET
7.2 IC501 (OZ9910G, CCFL inverter controller IC)
Pin No.
Symbol
I/O Description
1
NDRV4
O
Bottom MOSFET gate drive output in dual forward
converter
VA702-2_VA721-3_VA721b-3
Содержание VA702-2
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