Samsung 920NW Service Manual - Page 24
Bad Screen, Check: SDO, SCZ, SCK
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UPC - 729507800905
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4-8 Bad Screen Bad Screen LVDS Cable Yes Reinsert No Change LVDS Yes Cable No Check Yes Crystal:Pin32, Pin33 of U103 Yes Check the No communication Of U103 and U104 Yes Check the pins of U103 and U104 4 Troubleshooting Workmanship LVDS Cable NG Check :X1, C147, C148 Check: SDO, SCZ, SCK, SDI, Reset 4-7
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4 Troubleshooting
4-7
4-8
Bad Screen
Bad Screen
LVDS Cable
Reinsert
Workmanship
Yes
Change LVDS
Cable
LVDS Cable NG
Yes
No
Check
Crystal:Pin32,
Pin33 of U103
Check :X1, C147, C148
Yes
No
Check the
communication Of
U103 and U104
Check: SDO, SCZ, SCK,
SDI, Reset
Check the pins of U103
and U104
No
Yes
Yes