Setup & Maintenance Instruction - Sony Ericsson W890 Troubleshooting Manual

SETUP & MAINTENANCE INSTRUCTION FOR W890 TRS FIXTURE 1207-6362
1. GENERAL
This fixture has been designed for the mobile phone W890.
1.1 SHORT DESCRIPTION
The fixture (figure 1 and figure 2) is designed to support performing advanced
troubleshooting on the PBA of the mobile phone mentioned previously.
Place the PBA when the fixture is opened. The positioning pins secure the right
positioning of the board. The PBA is in a fixed position when the fixture is closed.
For operating the fixture supply voltage has to be feed through the RED (V+) and
BLACK (V-) banana sockets. (The supply circuitry on the fixture has a protection
element; one unidirectional transient suppressor diode. It's for protecting the DUT
from over voltage and reverse polarity.)
RF connection to a GSM/UMTS RF test set is optional on the fixture. Please
check Equipment list for the appropriate RF connector.
Keyboard main, Display, SIM/M2 flex module and Camera Flex module as
functional parts of the unit are also mountable and exchangeable.
Figure 1 Top-view of the fixture.
Figure 2 A) The bottom of the fixture. B) The bottom of the fixture rotated 180°
APPENDIX Setup & Maintenance Instructions for W890 TRS Fixture
2. SAFETY INSTRUCTIONS
Only authorized personnel are allowed to use and do maintenance on the fixture.
During maintenance disconnect all RF and power supply connections.
Please be observant when parts are in motion. Always make sure that fixture is
placed steadily on a flat surface. If not, the fixture can fall and cause personal
injuries. Take the same precautions when moving fixture.
3. MOUNTING OF THE FIXTURE
3.1 CAMERA FLEX MODULE
Figure 3 The components used when mounting the camera flex module is
1) camera flex module 2) two flat nuts 3) camera clamping frame.
Figure 4 Place the camera flex module in slot.
SEMC Troubleshooting Manual
W890
1217-3942 rev. 1 113 (119)