Chapter 7 User Interface Faults - Nokia 3510 Repair Manual

Customer Care Europe, Middel East & Africa
SCCE Training Group
 2003 Nokia Mobile Phones
CHAPTER 7: User Interface Faults
Display faulty
- Change display module I004 to check if it is responsible for the fault.
If the fault persists check VIO 1.8VDC at C303, VFLASH1 2.8VDC at C304 and
-
10.65VDC at pin 8 from display modul, before measuring carefully remove display metal frame.
After removing metal frame measure at the point shown in the right picture below, marked by the red arrow.
If the display still does not work but the voltages are measurable, probably UPP (D400) is faulty.
-
Swap the phone as UPP is not changeable.
© NMP 2003
CONFIDENTIAL
NHM-8 / RH-9
Date 10-03-2003
Measure 10.65 VDC at the red arrow
Checked by: SCCE
15 (18)
Repairhints
Version 2.0 Approved
Approved by: Training Group