User Guide

PAMS
Technical Documentation
RAE-3
8. Troubleshooting
Page 8 – 84
Issue 1 06/01
2.24 BL8 related CMT UI problems
NOYES
OK?
OK?
CSP filter Z401
Check, replace
Problem with CMT UI
Put BL8 module in test jig, connect B–to–B adapter JC4.
DO NOT connect the UI module or Flex yet.
DO NOT switch power on.
Check the resistances of display signals to the GND (1)
Resistance > 1 MOhm, GENSDIO = 47kOhm?
Turn the power on.
Connect the Flex and the UI module.
Check GENSCLK, signal as in Fig. 80 ?
NO
if voltage = 0
YES
CSP filter Z401
Check, replace
Check GENSDIO siglnal while LCDEN is active.
Rise/fall time: 30 to 60 ns?
Check LCDEN signal.
Check LCDRSTX signal
Signal 2.8 V or active?
CSP filter Z401
Check, replace
OK?
YES
D300 or PWB faulty
NO
Rise/fall time: 30 to 60 ns?
Figure 72.