DOWNLOAD Panasonic KX-TCD235RUS / KX-TCD235RUT / KX-TCA121RUS / KX-TCA121RUT Service Manual ↓ Size: 1.81 MB | Pages: 99 in PDF or view online for FREE

Model
KX-TCD235RUS KX-TCD235RUT KX-TCA121RUS KX-TCA121RUT
Pages
99
Size
1.81 MB
Type
PDF
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Service Manual
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Device
Telephone / TELEPHONE EQUIPMENT
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kx-tcd235rus-kx-tcd235rut-kx-tca121rus-kx-tca121ru.pdf
Date
PREV: Panasonic KX-TCD225UA / KX-TCA122UA / KX-TCA121UA (serv.man3) Service Manual / Supplement

Panasonic KX-TCD235RUS / KX-TCD235RUT / KX-TCA121RUS / KX-TCA121RUT Service Manual ▷ View online

18 CIRCUIT OPERATION (CHARGER UNIT)
18.1. Power Supply Circuit
The power supply is as shown.
49
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
19 SIGNAL ROUTE
50
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
51
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
20 CPU DATA (BASE UNIT)
20.1. IC4 (BBIC)
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
1
VDDIO
-
VDDID
-
-
2
VSS
-
VSS
-
-
3
AD8
D.O
AD8
O
Hi
4
AD9
D.O
AD9
O
Hi
5
AD10
D.O
AD10
O
Hi
6
AD11
D.O
AD11
O
Hi
7
AD12
D.O
AD12
O
Hi
8
AD13
D.O
AD13
O
Hi
9
AD14
D.O
AD14
O
Hi
10
RESET
D.O
RESET
O
Hi-Z
11
SP_AMP_CS
D.O
SP_AMP_CS
O
Hi-Z
12
CHARGE DET
D.I
CHARGE DETECT
I
Hi-Z
13
INUSE_LED
D.O
INUSE_LED
O
Hi-Z
14
SP_LED
D.O
SP_LED
O
Hi-Z
15
KEY_OUT6
D.O
key_strobe
O
Hi-Z
16
VDD
-
VDD
-
-
17
VSS
-
VSS
-
-
18
RFCLK
D.O
RFCLK
O
Low
19
VDDRF
-
VDDRF
-
-
20
VSSRF
-
VSSRF
-
-
21
Xtal1
A.I
Xtal1
I
I
22
CAP
A.I
CAP
I
I
23
AVS
-
AVS
-
-
24
AVD
-
AVD
-
-
25
RSSI
A.I
RSSI
I
I
26
RXDA
A.I
RXDA
I
I
27
CMPREF
A.I
CMPREF
I
I
28
TXDA
A.O
TXDA
O
Hi-Z
29
AD15
D.O
AD15
O
Hi
30
AD16
D.O
AD16
O
Hi
31
AD17
D.O
AD17
O
Hi
32
AD18
D.O
AD18
O
Hi
33
AD19
D.O
NC
O
Hi
34
AD20
D.O
NC
O
Hi
35
AD21
D.O
NC
O
Hi
36
AD22
D.O
NC
O
Hi
37
AD23
D.O
NC
O
Hi
38
LE
D.O
LE
O
Low
39
SO
D.O
SO
O
Low
40
SK
D.O
SK
O
Hi-Z
41
ADC2
A.I
ADC2
I
I
42
KEY_OUT5
D.O
key_strobe
O
Hi-Z
43
RDN
D.O
RDN
O
Hi
44
WRN
D.O
WRN
O
Hi
45
MI/READY
D.O
NC
O
I
46
SCLK
D.O
NC
O
Hi
47
UTX
D.O
UTX
O
I
48
URX
D.I
URX
I
I
49
JTIO
D.I/O
JTIO
I/O
I
50
KEY_OUT4
D.I
key_strobe
I
I
51
KEY_OUT3
D.I
key_strobe
I
I
52
KEY_OUT2
D.I
key_strobe
I
I
53
KEY_OUT1
D.I
key_strobe
I
I
54
KEY_OUT0
D.I
key_strobe
I
I
55
VDDIO
-
VDDIO
-
-
56
VSS
-
VSS
-
-
57
RDY/BUSY
D.O
RDY/BUSY
O
I
58
KEY_IN3
D.O
key_input with internal
pull up
O
I
59
ACS1
D.O
ACS1
O
I
60
ACS0
D.O
ACS0
O
Hi
61
KEY_IN2
D.O
key_input with internal
pull up
O
I
52
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
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