W995
1230-1858 rev. 1
TROUBLESHOOTING
T
R
O
UBL
ESHOOT
ING
Ope ration Keys Problems - Volume Up and Down Button Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Connect Key Flex Assy and Keyboard to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
Perform Keypad Scan Test by pressing all Numeric Keys and all the
Operation Keys (Play/Pause, Rewind and Fast Forward) on the Key Flex Assy
If successful Replace Key Flex Assy
If not then continue with the
Camera Button Problems TRS guide
Yes
Are all
Numeric Keys
Ok
Go to
Numeric Keyboard
Problems TRS guide
No
SL 4 Replace
X2410
SL 5 Replace
N2010
Operation Keys Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect Key Flex Assy and Keyboard to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
Perform Keypad Scan Test by pressing all Numeric Keys and Volume
Up and Down Buttons on the Key Flex Assy
If successful Replace Key Flex Assy
If not then continue with the
Volume Up and Down Button Problems TRS guide
Yes
Are all
Numeric Keys
Ok
Go to
Numeric Keyboard
Problems TRS guide
No
SL 4 Replace
X2410
SL 5 Replace
N2010
Volume Up and Down Button Problems
SEMC Troubleshooting Manual
12
(125)
