Panasonic KX-T7665UA (serv.man3) Service Manual ▷ View online
33
KX-T7665UA-B
13 Exploded View and Replacement Parts List
13.1. IC Data
13.1.1. IC2
Pin
No.
I/O Setting
Pull-up
Processing
Contents of Control
Remark
1
VDD
-
-
Vdd
2
CSN
in
Built-in
chip select
3
REN
in
Built-in
Read
4
WEN
in
Built-in
Write
5
WAITN
tri
-
Wait
6
INTN
out
-
Interrupt out
7
VSS
-
-
GND
8
CLM5
out
-
LED column 5
9
CLM4
out
-
LED column 4
10
CLM3
out
-
LED column 3
11
CLM2
out
-
LED column 2
12
CLM1
out
-
LED column 1
13
CLM0
out
-
LED column 0
14
NROW3
out
-
LED Row 3
15
NROW2
out
-
LED Row 2
16
NROW1
out
-
LED Row 1
17
VSS
-
-
GND
18
NROW0
out
-
LED Row 0
19
OEP1/PN9/CK512K
tri
-
enable pulse
20
OSR
in
Built-in
2.048MHz serial data input
21
OSX
tri
2.048MHz serial data output
22
OEP0
tri
-
enable pulse
23
VSS
-
-
GND
24
VDD
-
-
Vdd
25
OCLK
bi
-
2.048MHz serial clock
26
OSYNC
bi
-
8Khz FS
27
GOP0
out
-
DXDP1
H:40mA L:20mA
34
KX-T7665UA-B
28
GOP1
out
-
DXDP2
H:ON L:OFF
29
TEST
in
-
TEST
30
DVRL
in
-
Comp. Ref.
31
DDR
in
-
Comp. Input
32
DVRH
in
-
Comp. Ref.
33
DDX0
out
-
Tx DATA OUT0
34
DDX1
tri
-
Tx DATA OUT1
35
PVRL
in
-
Comp. Ref.
36
PDR
in
-
Comp. Input
37
PVRH
in
-
Comp. Ref.
38
PDX0
out
-
Tx DATA OUT0
39
PDX1
out
-
Tx DATA OUT1
40
MMODE
in
-
Mode
41
SCAN
in
Pull Down
scan
42
RSTN
in
-
Reset
43
SCANE
in
Pull Down
scan test
44
VDD
-
-
Vdd
45
CK8_16
tri
-
8MHz clock out
46
VSS
-
-
GND
47
OSI
in
-
OSC
48
OSO
out
-
OSC
49
VSS
-
-
GND
50
ADR5
in
Built-in
Add.5
51
ADR4
in
Built-in
Add.4
52
ADR3
in
Built-in
Add.3
53
ADR2
in
Built-in
Add.2
54
ADR1
in
Built-in
Add.1
55
ADR0
in
Built-in
Add.0
56
VDD
-
-
Vdd
57
DB7
bi
Built-in
Data 7
58
DB6
bi
Built-in
Data 6
59
DB5
bi
Built-in
Data 5
60
DB4
bi
Built-in
Data 4
61
DB3
bi
Built-in
Data 3
62
DB2
bi
Built-in
Data 2
63
DB1
bi
Built-in
Data 1
64
DB0
bi
Built-in
Data 0
Pin
No.
I/O Setting
Pull-up
Processing
Contents of Control
Remark
35
KX-T7665UA-B
13.1.2. IC6
Pin
No.
I/O Setting
Pull-up
Processing
Contents of Control
Remark
1
X1
I
-
not in use
2
X2
O
-
not in use
3
Vss
-
GND
4
OSC2
O
-
not in use
5
OSC1
I
-
8.192MHz clock
from IC2
6
TEST
I
-
not in use
7
Vcc
-
Vcc
8
Reset/
I
-
Reset input
9
P20/IRQ4
O
-
CODEC chip select
10
P21/SCK1
O
-
SCLK
11
P22/SI1
O
-
Sp Phone chip select
12
P23/SO1
O
-
DATA
13
P24/SCK3
O
-
not in use
14
P25/RxD
I
Built-in
not in use
15
P26/TxD
O
-
not in use
16
P27/IRQ0
I
-
not in use
17
P17/IRQ3
I
Built-in
Hook SW
L:OFF-HOOK
18
P16/IRQ2
I
Built-in
ASIC INT/
Low active
19
P15/IRQ1
I/O
-
LCD contrast 2
Cont.H/M:L Cont.L:High"Z"
20
P14
I/O
Built-in
KEYOUT3
L output
21
P13/TMIG
I/O
Built-in
KEYOUT2
L output
22
P12/TMOFH
I/O
Built-in
KEYOUT1
L output
23
P11/TMOFL
I/O
Built-in
KEYOUT0
L output
24
P10/TMOW
O
-
OSC for LCD Power 128kHz(4.096MHz/32)
25
PA3
O
-
side tone Cont.
H:side tone ON
26
PA2
O
-
ASIC REN/
Low active
27
PA1
O
-
ASIC WEN/
Low active
28
P50/WKP0
I
Built-in
KEYIN0
29
P51/WKP1
I
Built-in
KEYIN1
30
P52/WKP2
I
Built-in
KEYIN2
31
P53/WKP3
I
Built-in
KEYIN3
32
P54/WKP4
I
Built-in
KEYIN4
33
P55/WKP5
I
Built-in
KEYIN5
34
P56/WKP6
I
Built-in
KEYIN6
35
P57/WKP7
I
Built-in
KEYIN7
36
P60
I/O
Built-in
DB0
37
P61
I/O
Built-in
DB1
38
P62
I/O
Built-in
DB2
39
P63
I/O
Built-in
DB3
40
P64
I/O
Built-in
DB4
41
P65
I/O
Built-in
DB5
42
P66
I/O
Built-in
DB6
36
KX-T7665UA-B
43
P67
I/O
Built-in
DB7
44
P70
O
-
ADR0
45
P71
O
-
ADR1
46
P72
O
-
ADR2
47
P73
O
-
ADR3
48
P74
O
-
ADR4
49
P75
O
-
ADR5
50
P76
O
-
EEPROM CLK
51
P77
I/O
-
EEPROM DATA
52
P80
O
-
LCD_D7
53
P81
O
-
LCD_D6
54
P82
O
-
LCD_D5
55
P83
O
-
LCD_D4
56
P84
O
-
LCD_E
57
P85
O
-
LCD_W
58
P86
O
-
LCD_RS
register select
59
P87
O
-
LCD contrast 1
Cont.H:L Cont.M/L:High"Z"
60
TONED
O
-
DTMF/Tone
Tone out
61
VTref
I
-
Tone reference
62
PB7/AN7
I
-
for Test MODE
connect D3V for Sp phone
test
test
63
PB6/AN6
I
-
not in use
64
CVcc
I
-
internal power source
Pin
No.
I/O Setting
Pull-up
Processing
Contents of Control
Remark
Click on the first or last page to see other KX-T7665UA (serv.man3) service manuals if exist.