SHARP TQ-GX10H
Service Manual

CONFIDENTIAL
5) All Key Test and Others

GX10

<Startup and initial condition> Fit a battery or a dummy battery in the set. Hold down the �End/Power� key to start up in the general mode. Then enter AT + XDIAG. Start up in the function test mode. (3 sec. until startup) After any key is pressed, the AT command is rejected. After the start of the test mode, the Data cable can be removed. Key �Send� �� Contents Vibrator operation. �VIBRATOR� Displayed. Stop the vibrator with the key �0� to return to the all key test mode initial screen. Playback melody at max. volume (MERODY1 in the normal condition). �MELODY� displayed. Press the key � � to set the volume to the minimum, and the key �#�, to the maximum, respectively. Stop melody with the key �0� to return to the all key test mode initial screen. Playback the ringer at max. volume (Ringer1 in the normal condition). �RINGER� displayed. Press the key � � to set the volume to the minimum, and the key �#�, to the maximum, respectively. Stop melody with the key �0� to return to the all key test mode initial screen. Full-rate codec loop-back. �CODEC INT� displayed. Stop loop-back with the key �0� to return to the all key test mode initial screen. Display check mode.Display is as shown below. Green LED lights up. Back light is switched to the main light to turn on. LED CHECK � GX-10 � ROM VERSION: ��� BLCD:48 Gx10 diag version. 2002.**.** v ** T_*** 2002/**/** **: **: ** �1� White � Red � Green � Blue � Black � Color bar � (Returning to white.) �6� LED: Orange; Remained as it is until the key �0� is pressed. Press the key �0� to turn off the green LED and return to the all key test mode initial screen. �Side Up�: Rear back light ON with no display. Thereafter toggling between test display and no display. �Side Down�: Rear back light ON with test display. Thereafter toggling between no display and test display. �2� �3� �8� IrDA Check (115 kbps). Press the key �0� to return to the initial screen. Display changed to CHG CHECK. Press the key �0� to return to the initial screen. AC Charger is inserted to turn on the red LED. Rear liquid crystal contrast check. Press the key �0� to return to the initial screen. �Side Up� �Side Down� �0� �6� Writing to SRAM by increasing contrast by one level. Writing to SRAM by decreasing contrast by one level. Returning to the all key test initial screen without contrast memory.

��

�M� �1�

Camera turns ON to display camera image. (Optical axis at the left end) Press the key �Left Soft� to repeat ZOOM ON/OFF operation. Press the key �M� to repeat shutter ON/OFF operation. Press the key � � to shift the image by 2 dots to the left, and the key � � , by 2 dots to the right, respectively. Press the key �Right Soft� to write optical axis adjustment value. Press the key �0� to return to the all key test initial screen.

2 � 63