GH688,GA628, Standard Electrical Repairs
4/00021-2/FEA 209 544/1.G 49 (112)
Fig. 8.1
Clean the pads thoroughly.
Measure the resistance from V+ to GND.
• If the resistance is more than 25 kohms, replace the flex film for the volume keys.
Assemble the phone and check if the volume keys work according to 8.1.
* If not, replace D600 (class B, fig. 8.2).
• If the resistance is less than 25 kohms, replace D600 (class B, fig. 8.2).
Fig. 8.2