4. TROUBLE SHOOTING
- 81 -
Connector Headset and
Turn on Radio and
tuned channel
Check LDO
Power
U304.PIN1 = High
U304.PIN4=2.8V
Check
Control Signal
R336/R337/338
Check I2C signal and 32K clock
Check
Audio Output
Of Transceiver
R329/R330
C332/C333
Check
Audio Output
Of Amplifier
R327/R331
Change PCB
Change U304
Change PCB
Change U302
Change U303
NO
NG
NG
NG
YES
OK
OK
OK
Checking Flow
Содержание KG270
Страница 1: ...Date April 2007 Issue 1 0 Service Manual Model KG270 MG160 Service Manual KG270 MG160 ...
Страница 3: ... 4 ...
Страница 81: ...5 DOWNLOAD 82 5 DOWNLOAD 5 1 Download Setup Configure system like figure 5 1 Figure 9 1 Download Setup ...
Страница 87: ... 88 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Страница 92: ... 93 8 PCB LAYOUT ...
Страница 93: ... 94 8 PCB LAYOUT ...
Страница 104: ... 105 10 CALIBRATION 10 2 3 Click SETTING Memu 10 2 4 Setup Ezlooks menu such as the following fugure KG278 ...
Страница 106: ...10 CALIBRATION 107 10 2 7 Select MODEL 10 2 8 Click START for RF calibration 10 2 9 RF Calibration finish KG278 ...
Страница 107: ...10 CALIBRATION 108 10 2 10 Calibration data will be saved to the following folder ...
Страница 113: ... 114 ...
Страница 124: ...Note ...
Страница 125: ...Note ...