LG G5200 Service Manual
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10. ENGINEERING MODE
A. About Engineering Mode
Engineering mode is designed to allow a service man/engineer to view and test the basic functions
provided by a handset.
B. Access Codes
The key sequence for switching the engineering mode on is 2945#*#. Pressing END will switch back
to non-engineering mode operation.
C. Key Operation
Use Up and Down key to select a menu and press ‘select’ key to progress the test. Pressing ‘back’
key will switch back to the original test menu.
10.1 BB Test [MENU 1]
Baseband Test
A. LED [1-1]
This menu is to test the indicator LED on the folder of a handset.
• Red [1-1-1] : Red light turns on
• Blue [1-1-2] : Blue light turns on
• Yellow [1-1-3] : Yellow light turns on
• Orange [1-1-4] : Orange light turns on
• Pink [1-1-5] : Pink light turns on
• Green [1-1-6] : Green turns on
• Violet [1-1-7] : Violet light turns on
B. LCD [1-2]
This menu is to test the LCD contrast.
• Contrast Value [1-2-1] : Change this value by up and down key.
10. ENGINEERING MODE
10. ENGINEERING MODE
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C. Backlight [1-3]
This menu is to test the LCD Backlight and Keypad Backlight.
• Backlight On [1-3-1] : LCD Backlight and Keypad Backlight light on at the same time.
• Backlight Off [1-3-2] : LCD Backlight and Keypad Backlight light off at the same time.
• Backlight value [1-3-3] : This controls brightness of Backlight. When entering into the
menu, the present backlight-value in the phone is displayed. Use Left/Right key to adjust the level of
brightness. The value of the brightness set at last will be saved in the NVRAM.
D. Buzzer [1-4]
This menu is to test the melody sound.
• Melody on [1-4-1]: Melody sound is played through the speaker.
• Melody off [1-4-1]: Melody sound is off.
E. Vibrator [1-5]
This menu is to test the vibration mode.
• Vibrator On [1-5-1] : Vibration mode is on.
• Vibrator Off [1-5-2] : Vibration mode is off.
F. ADC (Analog to Digital Converter) [1-6]
This displays the value of each ADC.
• MVBAT ADC (Main Voltage Battery ADC) [1-6-1]
• AUX ADC (Auxiliary ADC) [1-6-2]
• TEMPER ADC(Temperature ADC) [1-6-3]
G. BATTERY [1-7]
• Bat Cal [1-7-1] :
This displays the value of Battery Calibration.
The following menus are displayed in order;
BAT_LEV_4V,BAT_LEV_3_LIMIT,BAT_LEV_2_LIMIT,BAT_LEV_1_LIMIT,BAT_IDLE_LI MIT,
BAT_INCALL_LIMIT,SHUT_DOWN_VOLTAGE, BAT_RECHARGE_LMT
• TEMP Cal [1-7-2] :
This displays the value of Temperature Calibration.
The following menus are displayed in order; TEMP_HIGH_LIMIT,
TEMP_HIGH_RECHARGE_LMT, TEMP_LOW_RECHARGE_LMT, TEMP_LOW_LIMIT
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