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Model
KX-UT248RU KX-UT248RU-B (serv.man3)
Pages
101
Size
3.83 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / SIP PHONE
File
kx-ut248ru-kx-ut248ru-b-sm3.pdf
Date
PREV: Panasonic KX-UT133RU / KX-UT133RU-B / KX-UT136RU / KX-UT136RU-B (serv.man3) Service Manual

Panasonic KX-UT248RU / KX-UT248RU-B (serv.man3) Service Manual ▷ View online

81
KX-UT248RU/KX-UT248RU-B
15 Exploded View and Replacement Parts List
15.1. IC Data
15.1.1. IC503
Pin 
No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
A1
ARTCK
ARM JTAG
I
TP_ARTCK
A10
MEMD30
D30(NC)
-
Not in use
A11
MEMD19
D19(NC)
-
Not in use
A12
DM
USBN
I/O
TP_USBN
A13
DE_SPOUTP
SPOUTP
Analog Output
SP-Phone SP_OUTP
A14
DE_HSMIP
HSMIP
Analog Output
Handset_MICP
A15
DE_DCIN2
NC
-
Not in use
A16
DE_MIN
MIN
Analog Input
SP-Phone_MICN
A17
DE_TDO
DE JTAG
O
TP_JTAG(TDO)
A18
DE_TDI
DE JTAG
I
TP_JTAG(TDI)
A2
ATRSTN
ARM JTAG
I
TP_ATRSTN
A3
MEMA13
A13
O
ADDRESS BUS
A4
MEMA8
A8
O
ADDRESS BUS
A5
MEMA14
A14
O
ADDRESS BUS
A6
MEMA1
A1
O
ADDRESS BUS
A7
MEMD28
D28(NC)
-
Not in use
A8
MEMDQM3
SDDQM3(NC)
-
Not in use
A9
MEMD17
D17(NC)
-
Not in use
B1
ATDI
ARM JTAG
I
TP_ATDI
B10
MEMA2
A2
O
ADDRESS BUS
B11
TRACEPKT0
ARM JTAG(NC)
-
Not in use
B12
DP
USBP
I/O
TP_USBP
B13
DE_SPOUTN
SPOUTN
Analog Output
SP-Phone SP_OUTN
B14
DE_HSMIN
HSMIN
Analog Input
Handset_MICN
B15
DE_LIN0
HEADSET MIN
Analog Input
Headset_MICN
B16
DE_MIP
MIP
Analog Input
SP-Phone_MICP
B17
DE_TMS
DE JTAG
O
TP_DE_TMS
B18
DE_TCK
DE JTAG
O
TP_DE_TCK
82
KX-UT248RU/KX-UT248RU-B
B2
ATCK
ARM JTAG
I
TP_ATCK
B3
MEMRAS/A20
A20
O
ADDRESS BUS
B4
MEMD31
D31(NC)
-
Not in use
B5
MEMD16
D16(NC)
-
Not in use
B6
MEMD29
D29(NC)
-
Not in use
B7
MEMD22
D22(NC)
-
Not in use
B8
MEMD26
D26(NC)
-
Not in use
B9
MEMD24
D24(NC)
-
Not in use
C1
MEMA9
A9
O
ADDRESS BUS
C10
TRACEPKT1
ARM JTAG(NC)
-
Not in use
C11
TRACEPKT3
ARM JTAG(NC)
-
Not in use
C12
PIPESTAT1
ARM JTAG(NC)
-
Not in use
C13
DE_HSSPOUTP
HSSPOUTP
Analog Output
Handset_SPOUTP
C14
DE_GNDPA
DG
-
GND
C15
DE_VCCA
VCCA
-
3.3V
C16
DE_LIN1
4.7k
Ω Pulldown
I(Analog)
Not in use
C17
DE_GNDA
GNDA
-
GND
C18
TXD1
UART1 TXD1 for Zarlink
O
UART2_TX(IC103)
C2
MEMA11
A11
O
ADDRESS BUS
C3
MEMA4
A4
O
ADDRESS BUS
C4
MEMD25
D25(NC)
-
Not in use
C5
MEMA5
A5
O
ADDRESS BUS
C6
MEMD20
D20(NC)
-
Not in use
C7
MEMA10
A10
O
ADDRESS BUS
C8
MEMD23
D23(NC)
-
Not in use
C9
TRACECLK
ARM JTAG(NC)
-
Not in use
D1
MEMCKE
SDCKE
O
CLOCK ENABLE for SDRAM
D10
CGPIO12
LCD_D3
O
DATA for LCD
D11
PIPESTAT2
ARM JTAG(NC)
-
Not in use
D12
CGPIO16
LCD_D7
O
DATA for LCD
D13
DE_VCCPA
VCCPA
-
3.3V
D14
DE_LOUT0
HEADSET SPOUT
Analog Output
Headset_SPOUT
D15
CGPIO13
LCD_D4
O
DATA for LCD
D16
DE_DCIN1
NC
-
Not in use
D17
AGPIO28
FLASH_nRST
O
RESET for Flash
D18
RXD1
UART1 RXD1 for Zarlink
I
UART2_RX(IC103)
D2
MEMCS1
Flash CS
O
Chip Select for Flash
D3
MEMA0
A0
O
ADDRESS BUS
D4
MEMD27
D27(NC)
-
Not in use
D5
MEMA6
A6
O
ADDRESS BUS
D6
MEMDQM2
SDDQM2(NC)
-
Not in use
D7
MEMD18
D18(NC)
-
Not in use
D8
TRACESYNC
ARM JTAG(NC)
-
Not in use
D9
CGPIO15
LCD_D6
O
DATA for LCD
E1
MEMCS2
SDRAM CS
O
Chip Select for SDRAM
E10
CGPIO14
LCD_D5
O
DATA for LCD
E11
CGPIO11
LCD_D2
O
DATA for LCD
E12
CGPIO10
LCD_D1
O
DATA for LCD
E13
CGPIO9
LCD_D0
O
DATA for LCD
E14
VCC2
VCC
-
3.3V
E15
DE_VDD
VDD
-
1.3V
E16
DE_DCIN3/PDN
PDN
I
Power Doen Input
E17
DE_AGPIO11
NC
-
Not in use
E18
DE_AGPIO0
NC
-
Not in use
E2
MEMA7
A7
O
ADDRESS BUS
E3
MEMDQM1
SDDQM1
Data Input/Output Mask
E4
MEMA3
A3
O
ADDRESS BUS
E5
VCC1
VCC
-
3.3V
E6
VDD1
1.3V
-
1.3V
E7
VCC_USB
VCC
-
3.3V
E8
TRACEPKT2
ARM JTAG(NC)
-
Not in use
E9
PIPESTAT0
ARM JTAG(NC)
-
Not in use
F1
MEMCLK
SDCLK
O
Clock for SDRAM
F14
GND2
GND
-
GND
F15
DE_VREF
VREF
-
Analog Reference Voltage output
F16
AGPIO29
LCD_RST
O
RESET for LCD
Pin 
No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
83
KX-UT248RU/KX-UT248RU-B
F17
DE_AGPIO2
BKLTPWM
O
PWM Control for Back Light
F18
DE_DGPIO11
NC
-
Not in use
F2
MEMDQM0
SDDQM0
I
Data Input/Output Mask
F3
MEMWR
Flash WR
O
F4
MEMCAS/A19
A19
O
ADDRESS BUS
F5
MEMD21
D21(NC)
-
Not in use
G1
MEMA15
A15
O
ADDRESS BUS
G14
GND3
GND
-
GND
G15
AGPIO13
LCD_WR
O
Write command for LCD
G16
AGPIO14
LCD_RD
O
Read command for LCD
G17
DE_AGPIO10
NC
-
Not in use
G18
DE_DGPIO12
NC
-
Not in use
G2
MEMA16
A16
O
ADDRESS BUS
G3
MEMD7
D7
I/O
DATA BUS
G4
AGPIO0
NC
-
Not in use
Low
G5
MEMD5
D5
I/O
DATA BUS
H1
MEMD8
D8
I/O
DATA BUS
H10
GND6
GND
-
GND
H11
GND7
GND
-
GND
H14
DE_XIN
DE_CLK
I
Clock Input
H15
DE_RSSI/TXMOD
NC
-
Not in use
H16
DE_BCLK 
DE_TXMOD
NC
-
Not in use
H17
AGPIO12
NC
-
Not in use
H18
DE_DGPIO13
NC
-
Not in use
H2
MEMA12
A12
O
ADDRESS BUS
H3
MEMD6
D6
I/O
DATA BUS
H4
MEMD9
D9
I/O
DATA BUS
H5
MEMA22
A22
O
ADDRESS BUS
H8
VCC9
VCC
-
3.3V
H9
GND5
GND
-
GND
J1
MEMD1
D1
I/O
DATA BUS
J10
GND9
GND
-
GND
J11
GND10
GND
-
GND
J14
DSPCLK
DE_CLK
O
DSP clock output
J15
DSP_RST_OUT
DSP_RST_OUT
O
Not in use(Pull Down R)
J16
AGPIO9
GPIO
-
Not in use(Pull Down R)
J17
DE_DGPIO14
NC
-
Not in use
J18
DE_AGPIO9
DE_PDN
O
Power Down output
J2
MEMD10
D10
I/O
DATA BUS
J3
MEMA17
A17
O
ADDRESS BUS
J4
MEMA18
A18
O
ADDRESS BUS
J5
MEMA21
A21
O
ADDRESS BUS
J8
VCC10
VCC
-
3.3V
J9
GND8
GND
-
GND
K1
MEMD14
D14
I/O
DATA BUS
K10
GND12
GND
-
GND
K11
GND13
GND
-
GND
K14
AGPIO11
CS1(NC)
-
Not in use
K15
AGPIO10
LCD_CS
O
Chip Select for LCD
K16
AGPIO8
LCD_RS 
O
Register Select for LCD
K17
DE_DGPIO15
NC
-
Not in use
K18
DE_AGPIO6
DE_READY
O
READY SIGNAL from DE
K2
MEMD12
D12
I/O
DATA BUS
K3
MEMD2
D2
I/O
DATA BUS
K4
MEMD4
D4
I/O
DATA BUS
K5
MEMD3
D3
I/O
DATA BUS
K8
VCC11
VCC
-
3.3V
K9
GND11
GND
-
GND
L1
MEMA23
A23
O
ADDRESS BUS
L10
GND15
GND
-
GND
L11
GND16
GND
-
GND
L14
DSP_RST_IN
DE_RST
I
RESET IN
L15
DE_BGPIO0
NC
-
Not in use
L16
DE_BGPIO3
NC
-
Not in use
L17
DE_AGPIO5
LCD20V_EN
O
Enable for LCD20V
Pin 
No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
84
KX-UT248RU/KX-UT248RU-B
L18
DE_AGPIO1
NC
-
Not in use
L2
MEMD11
D11
I/O
DATA BUS
L3
MEMD0
D0
I/O
DATA BUS
L4
MEMD15
D15
I/O
DATA BUS
L5
VDD2
1.3V
-
1.3V
L8
VCC12
VCC
-
3.3V
L9
GND14
GND
-
GND
M1
MEMD13
D13
I/O
DATA BUS
M14
GND4
GND
-
GND
M15
DE_DGPIO10
NC
-
Not in use
M16
SCLK
NC
-
Not in use
M17
SCS2
BT_nRST
O
RESET for BT Module
M18
DE_CGPIO13
NC
-
Not in use
M2
CGPIO4
DSP_RSTO
O
REST Output
M3
MEMA24
A24
O
ADDRESS BUS
M4
MEMCS0
NC
-
Not in use
M5
GND1
GND
-
GND
N1
MEMRD
Flash OE
O
Output Enable for Flash
N14
DE_DGPIO9
NC
-
Not in use
N15
SDI
ASICRST
O
RESET for ASIC
N16
DE_DGPIO1
NC
-
Not in use
N17
DE_DGPIO0
GPIO
-
Not in use(Pull up R)
N18
DE_CGPIO12
NC
-
Not in use
N2
CGPIO2
NC
-
Not in use
N3
BGPIO3
NC
-
Not in use
N4
MEMCS3
NC
-
Not in use
N5
VCC3
VCC
-
3.3V
P1
BGPIO19/TXD2
UART2 TXD2 for BT
O
UART2 TXD for BT Module
P10
VCC7
VCC
-
3.3V
P11
VCC8
VCC
-
3.3V
P12
DE_BGPIO1
NC
-
Not in use
P13
DE_BGPIO4
NC
-
Not in use
P14
DE_BGPIO9
NC
-
Not in use
P15
DE_DGPIO8/AGPIO6
ASICCLK
O
Clock for ASIC(IC204)
P16
SCS1
NC
-
Not in use
P17
SDO
NC
-
Not in use
P18
DE_DGPIO2
NC
-
Not in use
P2
BGPIO17/RTS2/
USB_DET
USB_DET
I
USB_DET for checker
P3
BGPIO18/RXD2
UART2 RXD2 for BT
I
UART2_RXD for BT Module
P4
CGPIO3
SPAMPEN
O
SP-Amp Enable
P5
VCC4
VCC
-
3.3V
P6
VCC5
VCC
-
3.3V
P7
VCC6
VCC
-
3.3V
P8
VDD3
1.3V
-
1.3V
P9
VDD4
1.3V
-
1.3V
R1
BGPIO16/CTS2/
USB_CTL
USB_CTRL
O
USB Control
R10
CGPIO5
I2C_SDA
I/O
I2C SDA(ASIC)
R11
CGPIO8
NC
-
Not in use
R12
SCLK
TSCLK(NC)
-
Not in use
R13
DE_CGPIO4
NC
-
Not in use
R14
SYSRSTB
RST
I
System Reset
R15
SLOTCTRL
NC
-
Not in use
R16
RXTXDATA
NC
-
Not in use
R17
RF_RSTN
NC
-
Not in use
R18
DSP_BGPIO7
LCD20V_EN(DSP_BGPIO7)
O
Enable for LCD24V
R2
TXDA2
E_TXD2
O
TX DATA for IC401
R3
RXDA2
E_RXD2
I
RX DATA for IC401
R4
RXA_CLK
E_RXCLK
I
RX Clock for IC401
R5
TXB_ER
INT0 from ASIC
I
INT0 from ASIC
R6
TXDB0
NC
-
Not in use
R7
RXDB0
NC
-
Not in use
R8
CGPIO23
NC
-
Not in use
R9
CGPIO20
NC
-
Not in use
T1
TXDA3
E_TXD3
O
TXDATA for IC401
Pin 
No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
Page of 101
Display

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