Read Panasonic KX-TCD951GB / KX-TCD955GC Service Manual online
21
KX-TCD951GB/KX-TCD955GC
Fig. 18
BLOCK DIAGRAM BASEBAND SECTION AND LINE INTERFACE
(BASE UNIT)
85
IC103
EEPROM
Micro-
controller
IC102
Flash
PROM
27/26
66
DATA
14
6
5
7
32
SYS-CLK
Tx-DATA
Rx-DATA
PLL-CLK
RST
SERIAL
INPUT/OUTPUT
WR
OE
30
CE
RESET
19
11
25
20
22
21
X101
D104
DAC
10.368MHz
Ear.
Amp
DAC
ADC
Clock
+Data
Recov
Gaus
Filter
RSSI
ADC
DTMF
Gen.
15
92
83
Clock
Gen.
BMC
IC101
BBIC
44
32
40
68
28
PAUSE-DIAL
46
EARTH
39
HOOK
34
RING
30
41
CHARGE-PULSE
SLICE-OUT
RSSI
24
23
PLL-DAT
PLL-ENABLE
7
PLL-PD
5
4
RFON
PA-AMP
3
Tx/Rx-SW
2
ANT-SW1
8
ANT-SW2
Locator
63
62
58
RXAF
TXAF
HOOK
60
T13
J103
J102
Serial
Data
Clock
Mic.
Amp
Line
Amp
Earth
Recall
RLY1
Buf.
T2
D8
A
B
A
4
3
1
5
2
6
J1
Tel.
Line
Not
German
Version
B
E
T8, T9
Hook
Switch
Line Profection
& 16 kHz Notch Filter
Bridge
Rect.
IC2
T11,
T12
IC4
IC3
EARTH
CHARGE
RING
-PULSE
PAUSE-DIAL
Bell
Det.
DC
Mask
C.P.
Det.
CLIP
CILP
Off-Hook
LED
T102
Buf
D103
D102
29
Caller ID
LED
T103
Buf
T101
Buf
Buzzer
ADDRESS
Charge
Contacts
T16
VUNREG
+4V
+3V
RESET
IC7
T14, T15
3.3V
Reg.
T16
Charge
Det.
4V
Reg.
Charge
Circuit
1
2
3
6
5
4
J2
AC
Adaptor
Charge
LED
Click on the first or last page to see other KX-TCD951GB / KX-TCD955GC service manuals if exist.