Cordless Handset - Panasonic KX-FC971CX-S Service Manual

8.13. CORDLESS HANDSET

8.13.1. BLOCK DIAGRAM
SPEAKER
RECEIVER
MIC
Charge terminal +
Charge terminal -
SCL1 10
P2 [2]
SDA1 9
77
AMP
67
LSRp
AMP
66
LSRn
BBIC
IC900
68, 72
MICn
MICp
62
1.8V
stop-
TR
charge
171
LCD
back light
KEY 0-4
KEY
STB 0-5
35 PAON
21 SYRI
26 SYEN
25 SYDA
24 SYNCL
34 RXDSG
19 RSSI
22 TXDA
23 RXDA
44 SDA2
45 SCL2
36 WP
2.5V
IC908
3.4 REG.
TR
3.4 REG.
3.0 REG.
IC910 RST
BAT terminal +
BAT terminal -
KX-FC971CX-S / KX-FGA521CX-S
RF UNIT
IC904
3.4VPA
RF PWR
EEPROM
IC905
3.4VTR
3.4VPA
RF PWR
IC909
IC901