640 Chapter13
Display/Power Supply Section
Troubleshooting the LCD Display
Figure 13-3 Location of +5V supply pins on J1 of A17 and J8 of A2
Figure 13-3 shows A2J8 connections on 8560 EC-Series Instruments.
Lines 2 −5 and 42 − 44 supply +5V to the two LCD backlights. Lines 1
and 41 supply +5V to the A17A1 Inverter board. Lines 1 − 6 and 41 − 44
are identical on A17J1.
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