Read Panasonic KX-TCD297UAT / KX-TCA128UAT Service Manual online
36 SCHEMATIC DIAGRAM (HANDSET_MAIN)
3.3V
2.5V
1.0V DC supply to MIC
Charge current
TX_AF
RX_AF
SP phone RX, Beep
(When on
charge)
charge)
1s
115kHz
(TALK mode)
(TALK mode)
25mV p-p
0V
0.7V
Receiver
Speaker
Battery
Terminal
Terminal
Charge
Terminal
Terminal
IC1
BBIC
EEPROM
IC3
CN4
CN8
NC: No Components
KX-TCA128 SCHEMATIC DIAGRAM (Handset_Main)
NC
NC
NC
NC
NC
NC
NC
15p
NC
NC
0.001
15p
220p
NC
15
NC
KX
-T
CD2
97UAT
/
K
X
-T
CA1
28UAT
90
Click on the first or last page to see other KX-TCD297UAT / KX-TCA128UAT service manuals if exist.