Test Procedure - LG GB115 Service Manual

1.3 Test Procedure

1.3.1 Auto test sequence
1. Operator not need to insert test SIM card, and enter "*8*" to check "auto test" as below.
2. When operator into function test mode, we just press "yes" key or "enter" key to into next test item.
3. When use auto test, every test item always turn on together.
No. Test item
1 LCD
2 LCD & LED /Illumination
3 Vibrator
4 Keyboard + Speaker
5 Audio (Mic_ Receiver loop)
6 Headsets (Earpiece)
7 Melody
8 FM
9 Camera
10 Micro SD card
11 Charging
12 Antenna
Verifying item
Display check ( All white, all black, red, blue, green test
Every screen is 0.5 second
LCD Backlight
All Keypad LED
Vibrator function check (Always on)
All keys function check
Method 1: screen shows all icons for key and operator press key
one by one then it disappear in screen.
Method 2: screen shows icon of key one by one then operator
press it as phone instruction.
Speaker check
Main Mic to Main Receiver audio loop check
Aux-Mic to Aux Receiver audio loop check
Speaker and Melody function check
(Always on/Set max volume)
Default handset in FM channel 100.7 MHz
1. Testing FM through headset (earpiece)
2. Testing FM through Battery cover (external Antenna)
Testing FM through SPK
Preview
Capture
Write / read / Del
Charging function check
Antenna circuit check by Radiation Power
(Turn on GSM Power level 5 @ Ch40 for 900/1800 band
Turn on GSM Power level 5 @ Ch190 for 850/1900 band)
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