Block Diagram (Handset) - Panasonic KX-TG2260BXS Service Manual

17 BLOCK DIAGRAM (HANDSET)

D206~D209
2
CHARGE
BATT1
1
BATT2
D214
D216
Q205
RESET
CHARGE
RINGER
MIC
SPEAKER
CN203
HEAD SET
JACK
DC-DC
IC204
CONVERTER
3.0V
REG
Q212, L210
IC203
P217, C318
3.0V
BATT
REG
IC205
POWER
DOWN
Q207
DET
TO LCD UNIT
(CALLER ID)
X201
8.192MHz OSC
BUFFER AMP
OSC
XIN
XOUT
51 52
14
VCC
41
VCCA
IC1
32
VCCPA
2.6V
50
VCCPLL
REG
55
PDN
54
DSP
RSTN
IC201
74
CHG
29
SPOUTP, SPOUTN
46 47
MIP, MIN
34
LOUTO
44
HSMIP
23
HSSPOUT
36
LINO
16~22 27
LCD_∗
60
IC202
KEY
EEPROM PAD
KX-TGA228BXS BLOCK DIAGRAM (HANDSET)
61
KX-TG2260BXS / KX-TGA228BXS
Q204
BMCCLK
VRF
TXEN
64
SHCTRL
65
TXO (VMOD)
57
RSTH
62
RSSI
48
PCTRL
100
RXEN
63
RXI (RXDATA)
66
RX GAIN
58
SIO_DO
23
SIO_LE
24
SIO_CLK
25
59
KEY
LEDS
RF BLOCK