GH688,GA628, Standard Electrical Repairs
4/00021-2/FEA 209 544/1.G 35 (112)
Fig. 5.10
If the problem isn’t solved, send the phone to the next level.
5.4 All the segments in the display are “lit”.
Open the phone and check for liquid damage.
• Try with another display and elastomer.
* If it doesn’t help, give the board power and start it up without display.
GH 688
Applies for KRC 114 245 and KRC 114 277 (Philips display):
Measure the voltages at the display pads H622 (fig. 5.5):
Table 5.1
Pad # Used for Voltage
1 Not in use -
2
I
2
C Clock
~3.2V
3 GND 0V
4 VDIG ~3.2V
5 VLCD ~-3.8V
6
I
2
C Data
~3.2V
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