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
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
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

Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
62
KEY_IN1
D.I
key_input with internal
pull up
I
I
63
KEY_IN0
D.I
key_input with internal
pull up
I
Hi
64
NC
D.O
NC
O
Hi
65
NC
D.O
NC
O
Hi
66
SCL
D.O
SCL
O
Hi-Z
67
SDA
D.I/O
SDA
I/O
I
68
DAB0
D.I/O
DAB0
I/O
I
69
DAB8
D.I/O
DAB8
I/O
I
70
DAB1
D.I/O
DAB1
I/O
I
71
DAB9
D.I/O
DAB9
I/O
I
72
DAB2
D.I/O
DAB2
I/O
I
73
DAB10
D.I/O
DAB10
I/O
I
74
DAB3
D.I/O
DAB3
I/O
I
75
DAB11
D.I/O
DAB11
I/O
I
76
VSS
-
VSS
-
-
77
VDD
-
VDD
-
-
78
VDDIO
-
VDDIO
-
-
79
SO
D.O
SO
O
I
80
SCK/CLK
D.O
SCK/CLK
O
I
81
ADC0
A.I
ADC0
I
I
82
ADC1
A.I
ADC1
I
I
83
CS
D.O
CS
O
I
84
HOOK
D.O
HOOK
O
I
85
DAB4
D.I/O
DAB4
I/O
I
86
DAB12
D.I/O
DAB12
I/O
I
87
DAB5
D.I/O
DAB5
I/O
I
88
DAB13
D.I/O
DAB13
I/O
I
89
DAB6
D.I/O
DAB6
I/O
I
90
DAB14
D.I/O
DAB14
I/O
I
91
DAB7
D.I/O
DAB7
I/O
I
92
DAB15
D.I/O
DAB15
I/O
I
93
TM
D.I
TM
I
Low
94
SI
D.O
SI
O
Hi-Z
95
PON
A.I
PON
I
I
96
PULSE
D.I/O
nHOOK
I/O
I
97
RLY
D.O
RLY
O
Low
98
RINGING
A.I
RINGING
I
I
99
LINEREF
A.O
LINEREF
O
-
100
LINEOUT
A.O
LINEOUT
O
-
101
LINE_IN+
A.I
LINE_IN+
I
-
102
LINE_IN-
A.I
LINE_IN-
I
-
103
LDO1_Senes
A.I
LDO1_Senes
I
I
104
LDO1_CTRL
A.O
LDO1_CTRL
O
Hi
105
LDO2_CTRL
A.O
LDO2_CTRL
O
Low
106
VBAT2
A.I
VBAT2
I
I
107
CIDIN+
A.I
CIDIN+
I
I
108
AVS2
-
AVS2
-
-
109
AVD2
-
AVD2
-
-
110
LSR+/REF
A.O
LSR+/REF
O
O
111
LSR-/REF
A.O
NC
O
O
112
CIDIN-
A.I
CIDIN-
I
O
113
CIDOUT
A.O
CIDOUT
O
O
114
MIC-
A.I
NC
I
I
115
VREF-
A.O
VREF-
O
O
116
VBUF
A.O
VBUF
O
O
117
AGND
A.O
AGND
O
O
118
MIC+
A.I
MIC+
I
I
119
VREF+
A.O
NC
O
I
120
RSTn
A.I
RSTn
I
I
121
EXT_MEMORY
D.I
EXT_MEMORY
I
I
122
AD1
D.O
AD1
O
Hi
123
AD2
D.O
AD2
O
Hi
124
AD3
D.O
AD3
O
Hi
125
AD4
D.O
AD4
O
Hi
126
AD5
D.O
AD5
O
Hi
53
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
127
AD6
D.O
AD6
O
Hi
128
AD7
D.O
AD7
O
Hi
54
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
21 CPU DATA (HANDSET)
21.1. IC1 (BBIC)
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
1
INTln/P1[1]
D,I
ROW1
I
I-PU
2
VDDIO
-
-
-
-
3
VDD
-
-
-
-
4
VSS
-
-
-
-
5
LED1/PWM0/P2[0]
D,O
PWM0
O-L
I-PU
6
LED2/PWM1/P2[1]
D,O
LCD_CSB
O-H
I-PU
7
LED3
A,I
LED_BKL
I
I
8
LED_BIAS/P3[6]/PD
A.O
LED_BIAS
O
I-PD
9
SDA1/P2[5]
D,I/O
LCD_SI
I/O
I
10
SCL1/P2[4]
D,O
LCD_SCL
O
I
11
INT5n/VDDE/P1[5]
D,O
LCD_RS
O-L
I-PU
12
INT2n/P1[2]
D,I
ROW2
I
I-PU
13
AVD
-
-
-
-
14
AVS
-
-
-
-
15
CAP
A,I
CAP
I
I
16
Xta11
A,I
XtaI1
I
-
17
VSSRF
-
-
-
-
18
RFCLKp
A,O
NC
O
Hi-Z
19
RSSI/RFCLKm
A,I
RSSI
I
Hi-Z
20
VDDRF
-
-
-
-
21
RFCLKd
D,O
RFCLKd
O
O-L
22
TDD
A,O
TDO
O
-
23
RDI
D,I
RDI
I
I
24
SK
D,I/O
SK
-
O-L
25
PD1/SIO
D,I/O
SIO
-
I-PD
26
LE
D,I/O
LE
O-L
O-H
27
P3[1]/PD1
D,I/O
COL1
O-L
I-PD
28
P3[2]/PD2
D,I/O
COL2
O-L
I-PD
29
VSSPA
-
-
-
-
30
PAOUTm
D,O
PAOUTm
O
O
31
VDDPA
-
-
-
-
32
PAOUTp
D,O
PAOUTp
O
O
33
VSSPA
-
-
-
-
34
P3[3]/PD3
D,I/O
COL3
O-L
I-PD
35
P3[4]/PD4
D,I/O
COL4
O-L
I-PD
36
TDOD/P3[5]/PD5
D,I/O
COL5
O-L
I-PD
37
VSS
-
-
-
-
38
VDDIO
-
-
-
-
39
VDD
-
-
-
-
40
PCM_FSC/INT0n/P1[0]
D,I
ROW0
I
I-PU
41
P0[0]/UTX
D,I/O
UTX
O
I-PU
42
P0[1]/URX
D,I/O
URX
O
I-PU
43
P0[2]/JTIO
D,I/O
JTIO
O
I-PU
44
P0[3]/SDA2
D,I/O
P0[3]
O
I-PU
45
P0[4]/SCL2
D,I/O
P0[4]
O
I-PU
46
P0[5]/SPICLK/PCM
D,I/O
SP_LED
O
I-PU
47
P0[6]/SPIDO/PCM_D
D,O
CD_AMP
O
I-PU
48
P0[7]/SPIDI/PCM_D
D,I/O
RESET
O
I-PU
49
VSS
-
-
-
-
50
VDD
-
-
-
-
51
P2[3]/ADC1
O
EEP_WP
O
O
52
P1[7]/CHARGE/INT7
I
CHARGE
I
I-PD
53
RSTn
I
RSTn
I
I-PU
54
DC_stab
O
DC_stab
O
O
55
DC_1
I
DC_I
I
I
56
DC_CTRL
O
DC_CTRL
O
O-PD
57
DC_Sence
I
DC_Sence
I
I
58
VBAT1
A,I
VBAT1
I
I
59
LDO1_CTRL
D,O
LDO1_CTRL
O
O-H
60
LDO2_CTRL
D,O
LDO2_CTRL
O
O-H
61
P1[6]/PON/INT6
I
power_det
I
I-PD
62
P2[6]/stop_charge
A,O
stop_charge
O
O-O
55
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
63
LDO1_Sense
D,I
LDO1_Sense
I
O-L
64
AVS2
-
-
-
-
65
AVD2
-
-
-
-
66
LSRn/REF
A,O
REF
O
O
67
LSRp/REF
A,O
LSRp
O
O
68
MICn
A,I
RINGING
I
I
69
VREFm
-
-
-
-
70
VBUF
O
VBUF
O
O
71
AGND
A,O
AGND
O
O
72
MICp
A,I
MICp
I
I
73
VREFp
A,I
CIDINp
I
I
74
P3[0]
D,I/O
COL0
O-L
I-PD
75
P1[4]/INT4n
D,O
Key_LED
O
O-L
76
P1[3]/INT3n
D,I
ROW3
I
I
77
P2[2]/CLK100
D,O
LCD_RESET
O
I-PD
78
AVS_sence
I
AVS_sence
I
I
79
ADC2
A,I
ADC2
I
I
80
ADC0
A,I
NC
I
I
56
KX-TCD235RUS / KX-TCD235R UT / KX-TCA121RUS / KX-TCA121RUT
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