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U200 soldering check
U200 chip check
Ulysse-Nausica check
RF MAIN CHIP
U203 pin 48,1,3,4
I/Q signal check
I/Q signal >= DC 0.9V
& 0.3Vp-p
END
REMARKS
1. Call connection :
TEM3 execution
ti Enter
tms1 Enter
txpw 1 7 Enter
rfe 7
Enter
2. Spectrum analyzer : SPAN = 1MHz
VBW = 1MHz
RBW = 3MHz
Press the trace button of spectrum analyzer on checking
test point and press the max hold of spectrum analyzer
3. Oscilloscope : 500mV/div , 2ms/div
NO
YES
YES
Содержание LG-600
Страница 1: ...GSM Phone SERVICE MANUAL MODEL LG 600 SERVICE MANUAL MODEL LG 600 ...
Страница 2: ......
Страница 42: ... 40 6 PCB Diagram Testpoint Description LG 600 KEY BOARD LAYER 1 ...
Страница 43: ...6 PCB Diagram Testpoint Description 41 LG 600 KEY BOARD LAYER 4 ...
Страница 44: ... 42 LG 600 MAIN BOARD LAYER 1 ...
Страница 45: ... 43 6 PCB Diagram Testpoint Description LG 600 MAIN BOARD LAYER 8 ...
Страница 46: ... 44 ...
Страница 47: ... 45 7 Block Diagram 7 Block Diagram 7 1 BB Block Diagram ...
Страница 48: ... 46 7 2 RF Block Diagram ...
Страница 49: ... 47 8 Schematic Diagram 8 Schematic Diagram 8 1 Key Pad LCD Interface Earphone ...
Страница 50: ... 48 8 2 Main Board 8 2 1 Baseband Ulysse Omega ...
Страница 51: ... 49 8 Schematic Diagram 8 2 2 Memory Devices ...
Страница 52: ... 50 8 2 3 Audio Peripheral Circuit ...
Страница 53: ... 51 8 Schematic Diagram 8 2 4 I O B to B Connector Interface ...
Страница 54: ... 52 8 3 RF Top Schematic 8 3 1 RF Front End ...
Страница 55: ... 53 8 Schematic Diagram 8 3 2 RF Main ...
Страница 56: ... 54 ...
Страница 72: ... 70 ...