Panasonic KX-DT543 - Page 22

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 IC410 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
1HHHL NOT Error
2HHHH 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
37
48
L460
L461
R415
L462
R418
R419
R420 R421
R422
R424
R428
R437
R438
R439
R440
3.3V
R453
R454
C422
R463
C427
C428
C431
LCD_A0
HESSPOUT
ST0
ST1
ST2
S
C463
C466
C467
PEP1
SPI_DO
4.5V
R305
R306
R307
R308
LCD_RST
R330
R331
R332
C308
C310
C311
C323
C326
R558
C328
R559
C329
R563
R566
R569
1.2V
R570
HESMIN
C362
TP_LED+
TP_LED-
C563
C564
C568
C571
C576
C577
C578
C580
L220
L221
C582
L222
C583
PSYNC
C585
C586
UART_GND
SPI_CLK
D
MAIN BOARD BOTTOM VIEW
ST0
ST1
ST2
ST3