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Belinea 101536(111514) Service Manual
-28-
04/25/2005
10.2. NO DISPLAY
No
Display
Check LED Color
Check Power
region
Refer to NO POWER
trouble shoot flow char
Check IO cable is
connect OK ?
AmberDark
Check I/P signal is in
pwr saving state?
Yes
Check X102 Crystal
12MHz is working?
Amber & Green
Check I106 is OK ?
Press Power key
ON/OFF is OK ?
(See LED is green or
dark.)
Check uP I106
Reset is Ok ?
No
Change
I106
Yes
Check Reset circuit
C173,D125
No
Yes
Press "1" key if OSD
menu is on display ?
Yes
Check Keypad
pcb is OK ?
No
Check if
Inverter is Ok ?
Yes
Check Power
region with no
backlight
No
Check I105
MST8016 if HWRST
Pin#32 have
reset pulse ?
Check uP I106
pin#17 send reset
pulse ?
No
Yes
Check X101 Crystal
14.318MHz is
working ?
Change X101
No
Yes
Yes
Check I105
Pin#70,71 data bus
have signal
Change I105 LCD
controller IC
No
Yes
Check panel Powers
VLCD_3V3
VLCD_12V
correct
Yes
Change LCD panel
Yes
No
Green
30


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