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4 . TROUBLE SHOOTING
SETTING : After initialize Agilent 8960, Test EGSM, DCS mode
Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max.
Checking Flow
START
Check the state of
contact of dual mode
speaker (receiver)
Reassemble receiver
Resolder or replace U202
Resolder R111, R114, C139, C140, C141
U202 works
properly?
Check
the voltage
at 5,7 pin of U202?
Change main board
YES
NO
NO
NO
YES
YES
Содержание B2070
Страница 54: ... 53 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT 13Mhz OSCILLATOR Mobile SW FEM TRANCEIVER LDO PAM ...
Страница 68: ... 67 4 TROUBLE SHOOTING TEST POINT 4 6 LCD Trouble ...
Страница 72: ... 71 4 TROUBLE SHOOTING TEST POINT 4 8 Speaker Trouble ...
Страница 79: ... 78 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT ...
Страница 96: ...6 Press Start and Pover on the phone using JIG remote Power on Switch 1 5 DOWNLOAD AND CALIBRATION 95 ...
Страница 107: ... 106 8 PCB LAYOUT Figure 8 1 B2070 BOTTOM SIDE PCB LAYOUT ...
Страница 108: ... 107 8 PCB LAYOUT Figure 8 1 B2070 TOP SIDE PCB LAYOUT ...
Страница 109: ... 108 ...
Страница 117: ...10 STAND ALONE TEST 116 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 121: ... 120 ...
Страница 123: ... 122 ...