Panasonic KX-DT321UA Service Manual ▷ View online
33
KX-DT321UA/KX-DT321UA-B
11.1.2. Bottom View
SW10
SW11
SW12
SW13
SW14
SW15
SW16
SW17
SW18
SW19
SW20
SW21
SW22
SW23
SW24
SW25
SW26
SW27
SW28
SW29
LED1
LED2
LED3
LED4
LED10
LED5
LED11
LED12
LED6
LED13
LED7
SW30
LED8
SW31
LED9
SW32
SW33
SW34
SW35
SW36
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
SW9
KX-DT321
UA/KX-DT321UA-B : Bottom View
34
KX-DT321UA/KX-DT321UA-B
12 Appendix Information of Schematic Diagram
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
1. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
1. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
35
KX-DT321UA/KX-DT321UA-B
13 Exploded View and Replacement Parts List
13.1. 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
28
GOP1
out
-
DXDP2
H:ON L:OFF
29
TEST
in
-
TEST
36
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
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