Thermo 42i - Page 165

Troubleshooting
Connector Pin Descriptions
Thermo Electron Corporation Model 42i Low Source Instruction Manual 6-11
7 Ground
8 Ground
9NC
10 NC
11 +24V
12 +24V
13 +24V
14 +24V
15 +24V
24V MONITOR J17 1 24V Power Monitor
2 Ground
FRONT PANEL
BD
J18 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
Table 6-3. Motherboard Connector Pin Descriptions, continued
Connector
Label
Reference
Designator
Pin Signal Descriptions