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Model
KX-TG7227UAJ KX-TG7227UAM KX-TG7227UAS KX-TG7227UAT KX-TG7228UAS KX-TG7228UAT KX-TGA721RUM KX-TGA721RUS KX-TGA721RUT KX-TGA721UAJ KX-TGA721UAM KX-TGA721UAS KX-TGA721UAT
Pages
101
Size
2.84 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS ANSWERING SYSTEM
File
kx-tg7227uaj-kx-tg7227uam-kx-tg7227uas-kx-tg7227ua.pdf
Date
PREV: Panasonic KX-TG7225RUJ / KX-TG7225RUM / KX-TG7225RUS / KX-TG7225RUT / KX-TG7226RUS / KX-TG7226RUT / KX-TGA721RUJ / KX-TGA721RUM / KX-TGA721RUS / KX-TGA721RUT (serv.man2) Service Manual / Supplement

Panasonic KX-TG7227UAJ / KX-TG7227UAM / KX-TG7227UAS / KX-TG7227UAT / KX-TG7228UAS / KX-TG7228UAT / KX-TGA721RUM / KX-TGA721RUS / KX-TGA721RUT / KX-TGA721UAJ / KX-TGA721UAM / KX-TGA721UAS / KX-TGA721UAT Service Manual ▷ View online

85
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
13.4. Circuit Board (Charger Unit)
13.4.1. Component View
13.4.2. Flow Solder Side View
CIRCUIT BOARD (Charger Unit (Component View))
J1
R1
D1
A
PQUP11532Z
PbF
PQLV30055
PQLV30056
TP4
TP3
1
2
J1
D1
A
F1
PbF
PQLV30055
PQLV30056
PQUP11532Z
TP4 (GND)
TP3
CIRCUIT BOARD (Charger Unit (Flow Solder Side View))
86
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
14 Appendix Information of Schematic Diagram
14.1. CPU Data (Base Unit)
14.1.1. IC7 (BBIC)
Pin No.
Description
I/O
Connection
at Normal mode
at Reset mode
1
*INT1/P11
D.O
RLY
O
I-PU
2
VDDIO1
-
-
-
-
3
VDD1
-
-
-
-
4
VSS1
-
-
-
-
5
SDA1/P25
D.I/O
SDA1
I/O
I
6
SCL1/P24
D.O
SCL1
O
I
7
*INT5/VDDE/P15
D.I
NC
I
O-H
8
*INT2/P12
D.O
Low_rad
O
I-PU
9
AVD
-
-
-
-
10
AVS
-
-
-
-
11
CAP
A.I
CAP
I
I
12
Xtal1
A.I
Xtal1
I
-
13
VSSRF
-
-
-
-
14
RFCLKp
A.O
RFCLKp
O
Hi-Z
15
RSSI/RFCLKm
A.I
NC
I
Hi-Z
16
VDDRF
-
-
-
-
17
RFCLKd
D.O
RFCLKd
O
O-L
18
TDO
A.O
TDO
O
O
19
RDI
D.I
RDI
I
I
20
SK
D.O
SK
O
O-L
21
PD1/SIO
D.I/O
SIO
I/O
I-PD
22
LE
D.O
LE
O
O-L
23
P31/PD1
D.O
RESET(RF)
O
I-PD
24
P32/PD2
D.I
ROW0
I
I-PD
25
P33/PD3
D.I
ROW1
I
I-PD
26
P34/PD4
D.I
ROW2
I
I-PD
27
TDOD/P35/PD5
D.O
KEY0
O
I-PD
28
P36/PD6
D.O
KEY1
O
I-PD
29
VSS2
-
-
-
-
30
VDDIO2
-
-
-
-
31
VDD2
-
-
-
-
32
PCM_FSC/*INT0/P10
D.O
TAMIC_CSn
O
I-PU
33
P00/UTX
D.O
UTX
O
I-PU
34
P01/URX
D.I
URX
I
I-PU
35
P02/JTIO
D.I/O
JTAG
I/O
I-PU
36
P03/SDA2
D.O
TAM_CSn
O
I-PU
37
P04/SCL2
D.O
WP
O
I-PU
38
P05/SPICLK/PCM_CLK
D.O
SPICLK
O
I-PU
39
P06/SPIDO/PCM_DOUT
D.O
SPIDO
O
I-PU
40
P07/SPIDI/PCM_DIN
D.I
SPIDI
I
I-PU
41
VSS3
-
-
-
-
42
VDD3
-
-
-
-
43
P23/ADC1
A.I
ADC1
I
I
44
P17/CHARGE/INT7
D.I
INT7
I
I-PD
45
*RST
D.O
RST
O
I-PU
46
VBAT1
A.I
VBAT1
I
I
47
LDO1_CTRL
A.I
LDO1_CTRL
I
I
48
LDO2_CTRL
A.I
LDO2_CTRL
I
I
49
LDO1_Sense
A.I
LDO1_Sense
I
I
50
AVS2
-
-
-
-
51
AVD2
-
-
-
-
52
*CIDIN
A.I
CIDINn
I
I
53
*LSR/REF
A.O
LSRn
O
O
54
LSRp/REF
A.O
LSRp
O
O
55
RINGING
A.I
RINGING
I
I
56
*MIC/CIDOUT
A.O
CIDOUT
O
I
57
VREFm
-
-
-
-
58
AGND
A.O
AGND
O
O
59
MICp
A.I
MICp
I
I
87
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
60
CIDINp
A.I
CIDINp
I
I
61
P14/*INT4
D.O
HOOK
O
I
62
P13/*INT3
D.O
PULSE_CTRL
O
I
63
ADC2
A.I
ADC2
I
I
64
ADC0
A.I
ADC0
I
I
Pin No.
Description
I/O
Connection
at Normal mode
at Reset mode
88
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
14.2. CPU Data (Handset)
14.2.1. IC1 (BBIC)
Pin No.
Description
I/O
Connection
at Normal mode
at Reset mode
1
*INT1/P11
D.I
ROW1
I
I-PU
2
VDDIO1
-
VDDIO1
-
-
3
VDD1
-
VDD1
-
-
4
VSS1
-
VSS1
-
-
5
LED1/PWM0/P20
D.O
NC
O
I-PU
6
LED2/PWM1/P21
D.O
LCD_CSB
O
I-PU
7
LED3
A.I
LED3
I
I
8
LED_BIAS/P36/PD6
A.O
LED_BIAS
O
I-PD
9
SDA1/P25
D.I/O
LCD_SI
I/O
I
10
SCL1/P24
D.O
LCD_SCL
O
I
11
*INT5/VDDE/P15
D.O
LCD_RS
O
O-H
12
*INT2/P12
D.I
ROW2
I
I-PU
13
AVD
-
AVD
-
-
14
AVS
-
AVS
-
-
15
CAP
A.I
CAP
I
I
16
Xtal1
A.I
Xtal1
I
I
17
VSSRF
-
VSSRF
-
-
18
RFCLKp
A.O
RFCLKp
O
Hi-Z
19
RSSI/RFCLKm
A.I
NC
I
Hi-Z
20
VDDRF
-
VDDRF
-
-
21
RFCLKd
D.O
RFCLKd
O
O-L
22
TDO
A.O
TDO
O
O
23
RDI
D.I
RDI
I
I
24
SK
D.O
SK
O
O-L
25
PD1/SIO
D.I/O
SIO
I/O
I-PD
26
LE
D.O
LE
O
O_L
27
P31/PD1
D.O
COL1
O
I-PD
28
P32/PD2
D.O
COL2
O
I-PD
29
VSSPA1
-
VSSPA1
-
-
30
PAOUTm
A.O
PAOUTm
O
O
31
VDDPA
-
VDDPA
-
-
32
PAOUTp
A.O
PAOUTp
O
O
33
VSSPA2
-
VSSPA2
-
-
34
P33/PD3
D.O
COL3
O
I-PD
35
P34/PD4
D.O
COL4
O
I-PD
36
TDOD/P35/PD5
D.O
COL5
O
I-PD
37
VSS2
-
VSS2
-
-
38
VDDIO2
-
VDDIO2
-
-
39
VDD2
-
VDD2
-
-
40
PCM_FSC/*INT0/P10
D.I
ROW0
I
I-PU
41
P00/UTX
D.O
UTX
O
I-PU
42
P01/URX
D.I
URX
I
I-PU
43
P02/JTIO
D.I/O
JTAG
I/O
I-PU
44
P03/SDA2
D.I/O
SDA2
I/O
I-PU
45
P04/SCL2
D.O
SCL2
O
I-PU
46
P05/SPICLK/PCM_CLK
D.O
NC
O
I-PU
47
P06/SPIDO/PCM_DOUT
D.O
WP
O
I-PU
48
P07/SPIDI/PCM_DIN
D.O
RESET(RF)
O
I-PU
49
VSS3
-
VSS3
-
-
50
VDD3
-
VDD3
-
-
51
P23/ADC1
A.I
NC
I
I
52
P17/CHARGE/INT7
D.I
CHARGE
I
I-PD
53
*RST
D.O
nRST
O
I-PU
54
DC_STAB
A.O
DC_STAB
O
O
55
DC_I
A.I
DC_I
I
I
56
DC_CTRL
A.O
DC_CTRL
O
O-PD
57
DC_Sense
A.I
DC_Sense
I
I
58
VBAT1
A.I
VBAT1
I
I
59
LDO1_CTRL
A.I
LDO1_CTRL
I
I
60
LDO2_CTRL
A.I
LDO2_CTRL
I
I
61
P16/PON/INT6
D.I
PON
I
I-PD
62
P26/STOP_CHARGE
A.O
STOP_CHARGE
O
O-L
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