22
KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B
Table-1: PORT OUTPUT at ERROR
The error result is output to a port of IC
410
at error. Check the Test Point ST3,ST2,ST1 and ST0.
See below for the output contents.
Remarks: H=3.3V, L=0V
No.
Test Point
Error Item
Related Points
LCD Error Message.
ST3
ST2
ST1
ST0
1
H
H
H
L
NOT Error
2
H
H
H
H
No Power(+3.3V) Error
See Table-2
3
L
L
H
L
Flash ROM(IC401) Data Error
See Table-3
4
L
H
L
L
Flash ROM Data Error
See Table-3
5
H
L
H
L
ASIC(IC150) Data Ezzor
See Table-4
ERR 1001-0000
HARDWARE ERROR
6
L
L
H
H
DSP Data Error
See Table-3
ERR 1003-0002
HARDWARE ERROR
7
H
L
L
H
Flash ROM(IC401) Data Errorr
See Table-3
ERR 1003-1003
HARDWARE ERROR
Q460
JTAG_RTCK
pcbmark-1
JTAG_TDI
JTAG_TDO
JTAG_TCK
AG-DG
IC300
JTAG_TMS
E
1
12
25
36
3 7
4 8
L 4 6 0
L 4 6 1
R415
L462
R418
R 4 1 9
R420
R421
R 4 2 2
R 4 2 4
R 4 2 8
R437
R 4 3 8
R 4 3 9
R 4 4 0
3 . 3 V
R 4 5 3
R 4 5 4
C 4 2 2
R 4 6 3
C427
C 4 2 8
C431
LCD_A0
H E S S P O U T
ST0
ST1
ST2
S
C 4 6 3
C 4 6 6
C467
PEP1
SPI_DO
4 . 5 V
R305
R 3 0 6
R307
R 3 0 8
LCD_RST
R 3 3 0
R 3 3 1
R 3 3 2
C308
C 3 1 0
C 3 1 1
C323
C 3 2 6
R 5 5 8
C328
R559
C 3 2 9
R 5 6 3
R 5 6 6
R 5 6 9
1 . 2 V
R 5 7 0
H E S M I N
C 3 6 2
TP_LED-
C563
C 5 6 4
C 5 6 8
C 5 7 1
C 5 7 6
C 5 7 7
C 5 7 8
C 5 8 0
L 2 2 0
L 2 2 1
C582
L 2 2 2
C583
PSYNC
C585
C586
UART_GND
SPI_CLK
D
MAIN BOARD BOTTOM VIEW
S T 0
S T 1
S T 2
S T 3