Read Panasonic KX-TCD961EB Service Manual online
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KX-TCD961EB
Fig. 18
BLOCK DIA
GRAM B
ASEB
AND SECTION AND LINE INTERF
A
C
E
(B
ASE UNIT)
ASE UNIT)
85
IC103
EEPROM
Micro-
controller
controller
IC102
Flash
Flash
PROM
27/26
66
DATA
14
6
5
7
32
SYS-CLK
Tx-DATA
Rx-DATA
PLL-CLK
RST
SERIAL
INPUT/OUTPUT
INPUT/OUTPUT
WR
OE
OE
30
CE
RESET
19
11
25
20
22
21
X101
D104
DAC
10.368MHz
Ear.
Amp
Amp
DAC
ADC
Clock
+Data
Recov
+Data
Recov
Gaus
Filter
RSSI
ADC
ADC
DTMF
Gen.
Gen.
15
92
83
Clock
Gen.
Gen.
BMC
IC101
BBIC
44
32
40
PAUSE-DIAL
46
EARTH
39
HOOK
34
RING
30
CHARGE-PULSE
IC105
FLASH ROM
SLICE-OUT
RSSI
24
23
23
PLL-DAT
PLL-ENABLE
PLL-ENABLE
7
PLL-PD
5
4
4
RFON
PA-AMP
PA-AMP
3
Tx/Rx-SW
2
ANT-SW1
8
ANT-SW2
63
62
58
RXAF
TXAF
HOOK
60
T13
J103
J102
Serial
Data
Data
Clock
Mic.
Amp
Amp
Line
Amp
Amp
Earth
Recall
RLY1
Recall
RLY1
Buf.
T2
T2
D8
A
B
A
4
3
1
5
2
6
J1
Tel.
Line
Line
(OPTION)
B
E
T8, T9
Hook
Switch
Hook
Switch
Current Limitter
Bridge
Rect.
Rect.
IC2
T11,
T12
T12
IC1,
T1
T1
IC4
IC3
EARTH
CHARGE
RING
-PULSE
-PULSE
PAUSE-DIAL
Bell
Det.
Det.
DC
Mask
Mask
C.P.
Det.
Det.
CLIP
CILP
ADDRESS
Charge
Contacts
Contacts
T16
VUNREG
+4V
+3V
RESET
IC7
T14, T15
3.3V
Reg.
Reg.
T16
Charge
Det.
Det.
4V
Reg.
Reg.
Charge
Circuit
Circuit
1
2
3
6
5
4
J2
AC
Adaptor
Adaptor
Charge
LED
LED
DATA
IC501
SUB CPU
LED
ANSWER LED
IN USE LED
IN USE LED
LCD
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