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TOTAL 71 CONT.ON. 69 PAGE NO. 68
E. Problem Identification & Troubleshooting
I. Basic Repair Instructions for Component Replacement:
Step 1
Place the solder-proof tape to cover the surrounding area of the components which being replaced.
Warning
：
DO NOT overheat the tape and components to avoid the tape melted and make the component damage.
Step 2
Use Heater Gun (HAKO850B, set the temperature between
350
℃
, Air Speed 3~5) to remove the components.
Step 3
It has to wait the temperature cool down before the damaged components been removed. Or, the others
components could be gone when the solder-proof tape been taken off.
Step 4
After the damaged components has been replaced; clean the surroundings for solder and flux residues.
II. Main Board:
The following items have been allowed to replace for Main Board
1. Recording Switch (SW702), Camera Switch (SW703), Reset Switch (SW704),
Power Switch (SW705)
1.1 If the switch is broken, warp or doesn’t work properly (measure by scope), replace it.
1.2 If the switch still doesn’t work properly after replace new one, please replace the M/B.
2. Camera FPC Connector (CON701), Keypad FPC Connector (CON708)
2.1 If the connector is broken, warp or doesn’t work properly (measure by scope), replace it.
2.2 If the connector still doesn’t work properly after replace new one, please replace the M/B.
2.3 Place solder-proof tape on CON701 or CON708 to prevent it melted when using heater gun to
remove CON701 or CON708.
3. Backup Battery Connector (CON303), Microphone Connector (CON600),
Vibrator Connector (CON706)
3.1 If the connector is broken, warp or doesn’t work properly (measure by scope), replace it.
3.2 If the connector still doesn’t work properly after replace new one, please replace the M/B.
4. Synchronization Port Connector (CON704)
4.1 If the connector is broken, warp or doesn’t work properly (measure by scope), replace it.
4.2 If the connector still doesn’t work properly after replace new one, please replace the M/B.
