9. ENGINEERING MODE
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9.1 About Engineering Mode
Engineering mode is designed to allow a service man/engineer to view and test the basic functions
provided by a handset.
9.2 Access Codes
The key sequence for switching the engineering mode on is 2945#*#. Pressing END will switch back to
non-engineering mode operation.
9.3 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.
9.4 Engineering Mode Menu Tree
9. ENGINEERING MODE
BB TEST
LCD
Camera
Backlight
Buzzer
Vibrator
ADC
BATTERY
Audio
DAI
Bluetooth
RF TEST
SAR test
MF mode
All auto test
Backlight
Buzzer
Vibrator
LCD
Key pad
MicSpkTest
Camera
Summary of Contents for KG920
Page 3: ... 4 ...
Page 48: ...3 TECHNICAL BRIEF 49 3 8 2 AFE Analog Front End Figure 3 22 ...
Page 52: ...3 TECHNICAL BRIEF 53 3 8 5 MBGM01 5M CCD ISP Figure 3 25 ...
Page 55: ...3 TECHNICAL BRIEF 56 3 8 6 MV8620 5M back end IC Multi Media Function Figure 3 26 ...
Page 58: ...3 TECHNICAL BRIEF 59 3 9 MIDI IC YMU787 Figure 3 27 YMU787 BLOCKDIAGRAM ...
Page 108: ...4 TROUBLE SHOOTING 109 CIRCUIT WAVEFORM Figure 4 59 Graph 4 11 Figure 4 60 Figure ...
Page 109: ...4 TROUBLE SHOOTING 110 TEST POINT U602 FB602 U100 Q100 Q101 C113 C114 Figure 4 61 Figure 4 62 ...
Page 112: ...4 TROUBLE SHOOTING 113 Figure 4 67 Figure 4 68 CIRCUIT ...
Page 115: ...4 TROUBLE SHOOTING 116 WAVEFORM Graph 4 13 ...
Page 139: ...6 BLOCK DIAGRAM 140 6 BLOCK DIAGRAM Figure 6 1 ...
Page 148: ... 149 8 PCB LAYOUT ...
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