4.2 Tx Trouble
Test Point
Checking Flow
START
√
Connect the phone to UART connector
√
Press H/W or F7, then click ‘offline-d’
-Click ‘Band select‘ to cdma & Tx on &Power Amp
On
-Set channel to 384 & AGC :400
√
Spectrum analyzer setting
√
Oscilloscope setting
1. Check
Regulator(PMIC) Circuit
2. Check
VCTCXO Circuit
3. Check
SBI Control Signal
4. Check
RFT6122 Circuit
7. Check
Duplexer & Mobile SW
Circuit
√
Redownload SW, CAL
6. Check
PAM Circuit
Mobile S/W
Duplexer
VCTCXO
PAM
RFT6122
Z3X-BOX.COM
Содержание ID2750
Страница 2: ...CDMA MOBILE SUBSCRIBER UNIT LG ID2750 SINGLE BAND CDMA MOBILE PHONE SERVICE MANUAL Z 3 X B O X C O M ...
Страница 33: ...DCN Mode Graph 4 2 1763 04MHz DCN384 Z 3 X B O X C O M ...
Страница 37: ...Waveform DP101 Pin 7 Graph 4 3 c DP101 Pin2 Graph 4 4 c Z 3 X B O X C O M ...
Страница 48: ...Circuit Diagram Z 3 X B O X C O M ...
Страница 49: ...Figure 4 3 1 PMIC PM6610 FUNCTIONAL BLOCK DIAGRAM 4 3 Logic Part Trouble Z 3 X B O X C O M ...
Страница 68: ...4 3 11 When UIM isn t operating Test Point Circuit Diagram CON402 No 1 Q407 No 1 Z 3 X B O X C O M ...
Страница 69: ...Checking Flow Z 3 X B O X C O M ...