1230 Power Supply
AC power board connectors
6 of 10
Jun 2001
Electrical
Agilent 6890 Gas Chromatograph Service Manual
J1
Power transformer connector
Trans former
assembly
Pin Function Wire color
1 NC NC
2 Line 1/Transformer 0A Black/Orange
3 Transformer 100A Black/Yellow
4 Transformer 120A Black
5 NC NC
6 Transformer 0B Black/Green
7 Transformer 100B Black/Blue
8 Transformer 110B Black/White
9 Transformer 120B Black/Red
P7
Oven fan connector
Motor
assembly
Pin Function Wire color
1 NC NC
2 Fan Yellow
3 Fan Blue
4 Oven/Fan Brown
5 MT1/Fan White
6 Fan Orange
P9
Main board interface connector
Pin Function
1 Oven relay
2 Oven triac
3 +24V
4 Oven triac
5 Oven relay
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