- 20 -
check the
output of VSP at.
10,15,16,18,20,21,22
30,31,32 pin
Check the
supply Vcc 3.3V
across L6,7 and 1.8V at pin 2
of IC11,12 and crystal
Frequency at
Pin 69,70
Check the
output of Froudja.
at pin 148-155,130-137 for
Y/C signal and clk,
VS,Hs at RF21-23
check the
RGB output of
PW181 across RAS
10-15 and sync and clk
Signal across RS
45-48
check the
supply 3.3V at LS
4, 2.5V at LS3 and 1.5V
at LS6 and LS9 and
Crystal freq
Check the
IEP output across
RAIP 1-6 and RIP
1,3,4,6
Check LVDS
output for PiP at pin
37,41,45,47 & for main image
at pin 48,46,42,38 of
IC902(LVDS IC).
check 3.3Vdd
and 2.5Vdd across
respectively
LIP2 and LIP1
check the
3.3Vdd across
CF12 and 1.8Vdd
across CF27,CF33 and 13.5
MHz at pin 191-192
of Froudja
Replace
Froudja
Replace
PW181
Power Error
Power Error
Replace LVDS
Replace IEP
Crystal or Power
Error
Replace VSP9437B
Crystal or Power Error
Crystal or Power Error
Check Power Levels and do
Power Troubleshooting
From sheet 20
(component)
From sheet 16
(S-Video)
From sheet 22
From shee 17
From sheet 18
From sheet 20
(DVI PC / X-Studio)
Check
Vcc_PLL 3.3V
Across L901
PASS
FAIL
PASS
FAIL
FAIL
PASS
PASS
PASS
FAIL
FAIL
PASS
PASS
FAIL
PASS
FAIL
FAIL
PASS
PASS
FAIL
FAIL
Содержание 32LX2D
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Страница 72: ...Oct 2005 Printed in Korea P NO 38289S0022K ...