DOWNLOAD Panasonic KX-NT543RU / KX-NT543RU-B / KX-NT546RU / KX-NT546RU-B (serv.man2) Service Manual ↓ Size: 3 MB | Pages: 80 in PDF or view online for FREE

Model
KX-NT543RU KX-NT543RU-B KX-NT546RU KX-NT546RU-B (serv.man2)
Pages
80
Size
3 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / IP PROPRIETARY TELEPHONE
File
kx-nt543ru-kx-nt543ru-b-kx-nt546ru-kx-nt546ru-b-sm.pdf
Date
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Panasonic KX-NT543RU / KX-NT543RU-B / KX-NT546RU / KX-NT546RU-B (serv.man2) Service Manual ▷ View online

61
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
13.2. Operation Board
13.2.1. Component View
CO20CO20
CO21CO21
CO22CO22
CO23CO23
CO24CO24
##
**
REDIALREDIAL
00
112
23
3
445
56
6
778
89
9
MUTEMUTE
HOOK_SWHOOK_SW
SP-PHONE1SP-PHONE1
FWD/DNDFWD/DND
STORESTORE
ENTERENTER
LEFTLEFT
INT'COMINT'COM
DOWNDOWN
SOFT1LSOFT1L
SOFT1RSOFT1R
SOFT2LSOFT2L
CANCELCANCEL
SOFT2RSOFT2R
SOFT3LSOFT3L
SOFT3RSOFT3R
PAUSEPAUSE
SOFT4LSOFT4L
SOFT4RSOFT4R
FLASH/RECALLFLASH/RECALL
RIGHTRIGHT
HOLDHOLD
TRANSFERTRANSFER
UPUP
MESSAGE
CO1CO1
CO2CO2
CO3CO3
CO4CO4
CO5CO5
CO6CO6
CO7CO7
CO8CO8
CO9CO9
CONFCONF
CO10CO10
CO11CO11
CO12CO12
CO13CO13
CO14CO14
CO15CO15
CO16CO16
CO17CO17
CO18CO18
CO19CO19
C1
D1
PbF
D209
D210
D211
D213
D214
D215
D216
D217
D218
D219
D220
D221
D222
D223
D224
D225
D226
D227
D228
D229
D230
D231
D232
D233
D234
D248
D249
D250
D251
D252
D253
D254
R1
R2
J201
J202
J203
J204
J205
J206
J207
J208
J212
J213
J237
J239
J241
J263
J209
J210
J211
J214
J215
J216
J217
J218
J219
J220
J221
J222
J223
J224
J225
J226
J227
J228
J229
J230
J231
J232
J233
J234
J235
J257
MIC-
MIC+
2
5
1
4
3
5
4
3
1
2
R210
R220
R221
R222
R223
R226
R228
R230
R231
C205
C207
C210
C215
C217
R253
C218
R254
C221
C223
C224
C226
D206
IC202
IC203
IC204
D244
D245
D246
D247
J259
J262
J265
J272
J275
J276
Q201
Q202
Q203
L208
L209
L210
L212
R201
R208
R209
CN205
C201
C202
C203
1
11
12
22
23
33
34
44
C204
R241
R242
R243
R244
R245
R246
R247
R248
R249
C211
C213
R250
R251
R252
R255
R256
R257 R258 R259
R260
R261 R262 R263 R264
R265
R266
R267
R268 R269
R270
R271
R272
C241
C243
C244
IC205
D235
D236 D237
D238
D239
D240
D241
D242
J236
12
1
J238
J240
J242
J243
J244
J245
J246
J247
J248
J249
J250
J251
J252
J253
J254
J255
J256
J258
RA201
J260
J261
J264
J266
J267
J268
J269
J270
J271
J273
J274
Q204
Q205
Q206
Q207
Q208
Q209
Q210
Q211
Q212
L211
R202
R203
ORG
BLUE
KX-NT543
RU/KX-NT546RU OPERATION BOARD COMPONENT VIEW
AG_P
AD
GRA
Y
GND
ASIC
IC205 pin1
(ASICCLK)
PbF
62
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
14 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.
63
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
15 Exploded View and Replacement Parts List
15.1. IC Data
15.1.1. IC501
Pin No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
M7
AGPIO0
MDC
O
MAC MII control clock
M8
AGPIO1
MII1TXEN
O
MAC transmit enable
N8
AGPIO2
MII1TXCLK
I
MAC transmit clock
N9
AGPIO3
MII1TXD0
O
MAC transmit data
M10
AGPIO4
MII1TXD1
O
MAC transmit data
N11
AGPIO5
MII1TXD2
O
MAC transmit data
J10
AGPIO6
MII1TXD3
O
MAC transmit data
H13
AGPIO7
MII1RXCLK
I
MAC receive clock
G12
AGPIO8
MII1RXDV
I
MAC receive data valid
B1
AGPIO9
MII1RXER
I
MAC receive data error
F12
AGPIO10
MII1RXD0
I
MAC receive data
F13
AGPIO11
MII1RXD1
I
MAC receive data
E10
AGPIO12
MII1RXD2
I
MAC receive data
E13
AGPIO13
MII1RXD3
I
MAC receive data
E12
AGPIO14
MII1COL
I
MAC collision detection
E11
AGPIO15
MII1CRS
I
MAC carrier sense
M1
BGPIO0
BGPIO0
O
Not in use
M2
BGPIO1
BGPIO1
O
Not in use
N1
BGPIO2
BGPIO2
O
Not in use
M3
BGPIO3
SPIDO
O
SIO serial data output
N3
BGPIO4
SPIDI
I
SIO serial data input
N4
BGPIO5
SPICSN1
O
LCD Chip Select
N2
BGPIO6
BGPIO6
O
Not in use
K4
BGPIO7
BGPIO7
O
Not in use
M4
BGPIO8
BGPIO8
O
Not in use
L4
BGPIO9
BGPIO9
O
Not in use
N5
BGPIO10
BGPIO10
O
Flash Reset
N6
BGPIO11
BGPIO11
O
Not in use
L9
BGPIO13
PWMOUT0
O
PWMCLK for ASIC (1.563MHz)
L13
BGPIO14
PWMOUT1
O
DCDC OUT
L12
BGPIO15
BGPIO15
O
Layer2 Switch Reset
J12
CGPIO0
CGPIO0
O
ST0
H10
CGPIO1
CGPIO1
O
ST1
H12
CGPIO2
CGPIO2
O
ST2
K13
CGPIO3
CGPIO3
O
ST3
J11
CGPIO4
CGPIO4
O
Not in use
K12
CGPIO5
CLKO1
O
Ether clock (25.000MHz)
64
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
G10
CGPIO6
SPICSN0
O
Flash Chip Select
H11
CGPIO7
SDCKE
O
SDRAM 
G13
CGPIO8
SDOCLK
O
SDRAM clock
N7
CGPIO9
SDCSN1
O
SDRAM Chip Select
K8
CGPIO11
SDDQM1
O
SDRAM byte mask 1
G11
CGPIO13
SPICK
O
SIO serial clock
A10
DGPIO15
DGPIO15
O
Not in use
A9
DGPIO14
DGPIO14
O
LCD A0
B10
DGPIO13
DGPIO13
O
Not in use
A1
DGPIO12
DGPIO12
O
Not in use
A7
DGPIO11
DGPIO11
O
LCD Reset
B9
DGPIO10
DGPIO10
O
Not in use
B8
DGPIO9
PWMOUT5
O
PWMCLK for Backlight
Not in use for KX-UT113
B2
DGPIO8
DGPIO8
O
Not in use
D8
DGPIO7
DGPIO7
O
Not in use
C9
DGPIO6
DGPIO6
O
Not in use
C8
DGPIO5
DGPIO5
O
Not in use
F3
DGPIO4
DGPIO4
O
Not in use
E3
DGPIO3
DGPIO3
O
Speaker Amp Enable
E4
DGPIO2
DGPIO2
O
Not in use
D4
DGPIO1
DGPIO1
O
ASIC Reset
D3
DGPIO0
DGPIO0
O
Not in use
C11
EGPIO0
EGPIO0/EXINT0
I
Interrupt from ASIC
B11
EGPIO1
EGPIO1
O
Not in use
A11
EGPIO2
MII1TXER
O
MAC transmit data error
C12
EGPIO3
EGPIO3
O
Not in use
C13
EGPIO4
EGPIO4
O
Not in use
D11
EGPIO5
EGPIO5
O
Not in use
D10
EGPIO6
EGPIO6
O
Not in use
D12
EGPIO7
EGPIO7
O
Not in use
D13
EGPIO8
EGPIO8
I
Not in use
D7
EGPIO9
SDA
I/O
I2C Data bus
F11
EGPIO10
SCK
O
I2C clock
J13
EGPIO15
MDIO
I/O
MAC MII control data
D9
XA0
XA0
O
Address bus
C10
XA1
XA1
O
Address bus
K11
XA2
XA2
O
Address bus
L11
XA3
XA3
O
Address bus
M11
XA4
XA4
O
Address bus
N10
XA5
XA5
O
Address bus
L10
XA6
XA6
O
Address bus
K10
XA7
XA7
O
Address bus
M9
XA8
XA8
O
Address bus
L6
XA9
XA9
O
Address bus
M6
XA10
XA10
O
Address bus
K6
XA11
XA11
O
Address bus
L5
XA12
XA12
O
Address bus
M5
XA13
XA13
O
Address bus
K5
XA14
XA14
O
Address bus
K9
XA18
SDWEN
O
SDRAM write enable
L8
XA19
SDCASN
O
SDRAM Column address strobe
K7
XA20
SDRASN
O
SDRAM Row address strobe
L7
XBLS0
SDDQM0
O
SDRAM byte mask 0
C3
XD15
XD15
I/O
Data bus
B3
XD14
XD14
I/O
Data bus
B4
XD13
XD13
I/O
Data bus
A3
XD12
XD12
I/O
Data bus
D6
XD11
XD11
I/O
Data bus
B5
XD10
XD10
I/O
Data bus
A4
XD9
XD9
I/O
Data bus
A5
XD8
XD8
I/O
Data bus
C4
XD7
XD7
I/O
Data bus
C5
XD6
XD6
I/O
Data bus
C6
XD5
XD5
I/O
Data bus
D5
XD4
XD4
I/O
Data bus
C7
XD3
XD3
I/O
Data bus
B6
XD2
XD2
I/O
Data bus
Pin No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
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