Operation Keys Problems; Volume Up And Down Button Problems - Sony Ericsson W995 Troubleshooting Manual

Operation Keys 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
SL 4 Replace
Are all
X2410
Yes Numeric Keys
SL 5 Replace
Ok
N2010
TROUBLESHOOTING Ope ration Keys Problems - Volume Up and Down Button Problems
Go to
No Numeric Keyboard
Problems TRS guide

Volume Up and Down Button 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
SL 4 Replace
Are all
X2410
Yes Numeric Keys
SL 5 Replace
Ok
N2010
SEMC Troubleshooting Manual
W995
Go to
No Numeric Keyboard
Problems TRS guide
1230-1858 rev. 1 12 (125)