ViewSonic PJ870 Service Manual - Page 37

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5-1 Main Board (Side A) 5-1.1 The Location of Connector JP1 • JP3 4-- PJ870 JP7 :0 5-1.2 JP7 : Keypad Connector Pin# Signal Name 1 +3.3V 2 IRDAT 3 LED 1 4 LED 2 5 LED 3 6 LED 4 7 LED 5 8 LED 6 9 GND 10 Key 4 11 Key 5 12 Key 6 13 GND 14 Key 7 15 Key 8 16 Key 9 JP8 Function 3.3V IR Data LED Indication LED Indication LED Indication LED Indication LED Indication LED Indication Ground Keypad Control Keypad Control Keypad Control Ground Keypad Control Keypad Control Keypad Control ViewSonic Corporation [5-2] Confidential - Do Not Copy

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PJ870
5-1
Main
Board
(Side
A)
5-1.1
The
Location
of
Connector
JP1
JP7
•
JP3
4--
:
0
JP8
5-1.2
JP7
:
Keypad
Connector
Pin#
Signal
Name
Function
1
+3.3V
3.3V
2
IRDAT
IR
Data
3
LED
1
LED
Indication
4
LED
2
LED
Indication
5
LED
3
LED
Indication
6
LED
4
LED
Indication
7
LED
5
LED
Indication
8
LED
6
LED
Indication
9
GND
Ground
10
Key
4
Keypad
Control
11
Key
5
Keypad
Control
12
Key
6
Keypad
Control
13
GND
Ground
14
Key
7
Keypad
Control
15
Key
8
Keypad
Control
16
Key
9
Keypad
Control
[5-2]
ViewSonic
Corporation
Confidential
-
Do
Not
Copy