Nokia 920C - Page 25

5 Troubleshooting
720C/920C 5-11
5-1-18 OSD Failure
IC103 (17”: IC04) Pin 17 input is
right?
IC103 (17”: IC04) Pin 6 input is
right?
Check and replace Q104 (17”: Q103) .
Yes
Yes
No
Check and replace D302 and Q301.
No
IC103 (17”: IC04) Pins 7 and 8
inputs are right?
Check IC201 Pins 41 and 42.
Yes
No
IC103 (17”: IC04) Pins 20, 21 and
22 outputs are right?
Check and replace IC103 (17”: IC04) .
Yes
No
IC101 (17”: IC104) Pins 4, 9 and 13
inputs are right?
Check and replace QB51,
QG51 and QR51.
Check and replace IC101 (17”: IC104) .
Yes
Done
No
Check CN102 and connector Ass’y.
(17” only)