Technical Descriptions; Circuit Configuration Of Tg938X Series Phones - Panasonic KX-TG9385BXT Service Manual

4 Technical Descriptions

4.1.

Circuit Configuration of TG938x Series Phones

TG938x consists of DECT cordless telephone.
Both voices of transmission and reception are transferred by PCM.
BBIC on DECT side controls the cordless telephone system.
DECT6.0
RF unit
DECT6.0
EEPROM IC551
(Data)
TEL I/F
TGA939
Handset
Main PCB
BBIC
(IC501)
FLASH IC561
(Program)
POWER
PSTN
DC
6.5V
Aidio signals
(PCM)
TAM
(IC701)
FLASH IC761
(Program)
7
KX-TG9385BXT/KX-TGA939BXT
MIC
SPEAKER