Panasonic KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF Service Manual ▷ View online
13.2. Ringing
33
KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF
13.3. Changing the Channel
34
KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF
Handset:
transmitting (TX) ... 36 Pin
receiving (RX) ... 4 Pin
13.5.2. Base Unit
•
•
For example (one of part of data)
Base Unit:
transmitting (TX) ... 17 Pin
receiving (RX) ... 10 Pin
13.4. Ports for transmitting and receiving of data
13.5. Waveform of DATA used for cordless transmission and reception
The DATA which is transmitted from the Handset to the Base Unit is combination of DATA 0, DATA 1, PSEUD.
The DATA which is transmitted from the Base Unit to the Handset is combination of DATA 0, DATA 1, PSEUD.
13.5.1. Handset
35
KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF
14 BLOCK DIAGRAM (BASE UNIT)
RX VCO
L10, C26
DUPLEXER
DPX1
MIX 1/2
RF AMP
Q1, T2
RX LOOP
X1
VC1
X2
DC 12V
TX LOOP
DC 5V
RF IC
IC1
TELEPHONE LINE
INTERFACE
CPU
IC2
RF
-DATA
-CLK
-STB
-DATA
-CLK
-STB
VTX
RF
-DATA
-CLK
-STB
-DATA
-CLK
-STB
RX
DATA
TX
DATA
POWER
CONTROL
Q2
5V
REGULATOR
Q18, Q19
RF AMP
Q3,Q4, T5
TX VCO
Q5, T6, DV1
PLL OSC
RF FILTER
CF1, CF2
10.7MHz
455kHz
ANTENNA
LED
Q21, LED1
RESET
DTC
Q9
CHARGE
DTC
Q7
EXP
17
14
TEL
LINE
AMP
AMP
Q11, IC3
TEL LINE
POWER SUPPLY
RESET CHARGE
CHARGE
TERMINAL
CHARGE
CONTROL
Q14, Q17
AC DOWN
DTC
Q8
DC IN
12V 150mA
(AC Adaptor)
COM
DC 5V
CONTROL LINE
AUDIO SIGNAL
·• TEL LINE
SW
RY1
·• LINE
SEIZURE
Q10
DIODE
BRIDGE
D2, D3,
D4, D5
H/S
KX-TC1205RUB/W/S/F BLOCK DIAGRAM (BASE UNIT)
KX-
TC120
5RUB
/
KX-TC
1205R
U
W
/
/
KX-TC
1205R
US
/
KX-
TC120
5RUF
36
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