HCD-GN1200D, MHC-GN1200D - Sony Audio Service Manual (repair manual). Page 21

Information of Emergency History.

1.  Enter DVD Service Mode.

2.  Select “3. Emergency History” by pressing [3] button on the 

remote commander. The screen will appear as follows.

Emg.History Check

Laser Hours               CD         999h        59min

1.    01   05   04   04                00   92   46   00

       00   00   00   00                00   00   23   45

2.    02   02   01   01                00   A9   4B   00

       00   00   00   00                00   00   23   45

DVD      999h

59min

Next    Next Page        Prev   Prev Page

0    Return to top Menu

3.  You can check the total time when the laser is turned on during 

playback of DVD and CD from the above menu. The maxi-
mum time, which can be displayed are 999h 59min.

4.  You can check the error code of latest 10 emergency history 

from the above menu. To view the previous or next page of 
emergency history, press 

 or 

 on the remote com-

mander.  “Error code” consists of the following (a), (b) and 
(c).

(a) Error code

Example of Error code

1.    01   05   04   04                00   92   46   00

       00   00   00   00                00   00   23   45

The meaning off error code is as follows.
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 Changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33. TE sensor adjustment error
34. TE loop gain adjustment error
35. FE loop gain adjustment error
36. Bad jitter after adjustment
40. Focus NG
42. Focus layer Jump NG
52. Open kick spindle error
51: Spindle stop error
60: Focus on error
61: Seek fail error
62: Read Qdata/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type

 (b) Parameter of error code

Example of Error code

1.    01   05   04   04                00   92   46   00

       00   00   00   00                00   00   23   45

This is the detail of error code.

 (c) Time of error code

Example of Error code

1.    01   05   04   04                00   92   46   00

       00   00   00   00                00   00   23   45

This is the laser time when an error occured.

5.  How to clean laser hours
 Press 

 DISPLAY

 button and then press [CLEAR] button.

 

Both CD and DVD data are cleared.

Emg.History Check

Laser Hours               CD

0h        0min

1.    01   05   04   04                00   92   46   00

       00   00   00   00                00   00   23   45

2.    02   02   01   01                00   A9   4B   00

       00   00   00   00                00   00   23   45

DVD      0h        0min

Next    Next Page        Prev   Prev Page

0    Return to top Menu

6.  How to clean Emergency History
 

Press [DVD TOP MENU] button and then press [CLEAR] 
button.

 

The error code for all emergency history would be reset.

Emg.History Check

Laser Hours               CD         999h        59min

1.    00   00   00   00                00   00   00   00

       00   00   00   00                00   00   00   00

2.    00   00   00   00                00   00   00   00

       00   00   00   00                00   00   00   00

DVD      999h

59min

Next    Next Page        Prev   Prev Page

0    Return to top Menu

7.  To return to the Top Menu of Remocon Diagnosis Menu, press 

[0] button on the remote commander.