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E.3-4.2 Backlight Output Error
Check P/B(TP44) BLP
5.4V is output
(5.3V~5.9V)
YES
Check P/B PIN28
Signal output
YES
Check P/B Q3 (B)
signal output
YES
Check P/BQ1,Q2,T1,C1
L1 is cold soldered or
damaged
YES
Re-soldered/Replace
P/B
Q1,Q2,T10,C1,L1
SeeE.3-2.3
NO
LCD POWER
Output Error
Check P/B J4 PIN28
NO
is cold soldered
Check D/B J2 PIN23
is cold soldered?
Check D/B J2 PIN23
signal output
Replace or resolder
NO
Q3
Re-soldered P/B J4
YES
PIN28
NO
Re-soldered D/B
YES
J2 PIN23
NO
Check D/B (Camera
YES
ship back to
Skanhex)
NO
45
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