DOWNLOAD Panasonic KX-UDT121RU (serv.man4) Service Manual ↓ Size: 2.03 MB | Pages: 72 in PDF or view online for FREE

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38

STM means a power on sequence of software.

Step

Software condition

(1)

Software start up

(2)

Initialize STM

(3)

Initialize Clock

(4)

Initialize DAIF

(5)

Initialize GPIO

(6)

Initialize SPI

(7)

Initialize RDS

(8)

Initialize IIC

(9)

Initialize S/P

(10)

Initialize SPI

(11)

Initialize RDS

(12)

Initialize Battery

(13)

Initialize KBS

(14)

System start judgment

(15)

Initialize RDS

(16)

interrupt is effective

(17)

Initialize RF

(18)

Initialize DSP

39

* NeedRepair7 is primary battery detection. 
* NeedRepair8 is a confirmation number. This time, there is no implemention.

Need Repair No.

Error

Explanation

Remedy

1

Flash Error
Flash unimplemented / start failure

Flash failure
Fail to start Flash 

Change chassis 

2

Flash ADM Error
Flash ADM block error

Flash failure
Flash management information verification NG

Change chassis

3

Flash Data Error
Flash Data block error

Flash failure
Adjustment data block NG

Change chassis

4

Flash Record Error
Flash Write error

Flash failure
Writing to Flash NG

Change chassis

5

Application Error
Character input mode range error

Flash failure
Check if it's in the range of switching character input mode for phone-
book can be done.
It occurs when adjustment level is out of range. 
Usually this doesn't happen. So it is considered as Flash failure.

Change chassis

6

Download File Error
Download file mismatch 

Flash failure
It occurs when the designation of renewal file of AirDownload is wrong.
Usually this doesn't happen. So it is considered as Flash failure.

Change chassis

9

Download Module Error
Time out as rewriting module while 
AirDownloading

It occurs when only a part of modules are rewritten and failed to down-
load specified times.

Change chassis

10

Const Data Error
Const data Version mismatch

Version mismatch of program and external Flash fixed data

Change chassis

ERROR No.

Error

Explanation

Remedy

1

Fail to delete Flash when AirDownloading.

Flash failure
Fail to delete PFlash or DFlash

Change chassis 

2

Write failure of Flash when AirDownloading.

Flash failure
Fail to write on PFlash or Dflash

Change chassis

40

Shown in Fig.-

To Remove

Remove

1

CABINE COVER

Screws (  

×  )..........(A) × 4

2

Main P.C. Board

Main P.C. Board

Shown in Fig.-

To Remove

Remove

3

LOWER CABINET

Screws (  

×  )..........(B) × 1

4

Main P.C. Board

Main P.C. Board