Thermo 42i - Front Panel Board Connector Pin Diagram

Troubleshooting
Connector Pin Descriptions
6-16 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Table 6-5. Front Panel Board Connector Pin Diagram
Connector
Label
Reference
Designator
Pin Signal
Description
MOTHER
BOARD
J1 1 Ground
2 Ground
3 LCLK – LCD Signal
4 Ground
5 Ground
6 LLP – LCD Signal
7 LFLM – LCD Signal
8 LD4 – LCD Signal
9 LD0 – LCD Signal
10 LD5 – LCD Signal
11 LD1 – LCD Signal
12 LD6 – LCD Signal
13 LD2 – LCD Signal
14 LD7 – LCD Signal
15 LD3 – LCD Signal
16 LCD Bias Voltage
17 +5V
18 Ground
19 Ground
20 LCD_ONOFF – LCD Signal
21 Keypad Row 2 Input
22 Keypad Row 1 Input
23 Keypad Row 4 Input
24 Keypad Row 3 Input
25 Keypad Col 2 Select
26 Keypad Col 1 Select
27 Keypad Col 4 Select
28 Keypad Col 3 Select
29 Ground
30 Ground
31 Ground