Only For Training And Service Purposes - LG MG370 Service Manual

The security features use the following mechanism:
• Boot ROM flow:
- Controls the boot transition to external flash
- Controls the flash update
• Flash tied to the individual chip via an ID using e-fuses, that is, each E-GOLD voice chip has its
own fused ID.
Further details on the E-GOLD voice security concept are not publicly documented
3.1.16 Asynchronous Operation Mode Concept
The E-GOLD voice can operate in either:
• The traditional synchronous mode with the 26MHz system clock synchronized on the base station
• A special asynchronous mode (XO concept).
In the asynchronous mode the 26MHz clock input is not synchronized with the base station; the
residual frequency offset is compensated in the digital signal processing domain. This processing
includes frequency and timing compensation of the baseband and voiceband signals.
3.1.17 Receiver Antenna Bar Display
Antenna display
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Antenna Bar Number
5->4
4->3
3->2
2->1
1->0
- 21 -
3. TECHNICAL BRIEF
RX Power (dBm)
-88dBm~ -84dBm
-93dBm~ -89dBm
-98dBm~ -94dBm
-103dBm~ -99dBm
-107dBm~ -103dBm
LGE Internal Use Only