HCD-GN88D - Sony Audio Service Manual (repair manual). Page 7

7

SACD Water Mark Check

 PSP AMP
 PSN

 Start: ENTER

Stop: RETURN

On this screen, measure the PSP AMP value and PSN value of
SACD water mark.

On the Test Mode Menu screen, selecting 

[3]

 executes the aging

of the mechanism deck.

### Aging Test MENU ###

**

 Pls use over 40min. CD 

**

Operation Menu

1. Open/Close Test

Exit: RETURN

1)

On the Aging Test MENU screen, press the 

[1]

  key on the

remote commander to display the Open/Close Test screen.

2)

Insert discs and press the 

[ENTER]

  key on the remote

commander.

3)

Is starts the aging.
During aging, the disc number, operating status and repeat cycle
are displayed. Aging can be aborted at any time by pressing
the

[RETURN]

key. After the operation is stopped, press the

[RETURN]

 key to return to the Aging Test MENU.

On the Test Mode Menu screen, selecting 

[4]

 displays the infor-

mation such as servo emergency history.
The history information from last 1 up to 10 can be scrolled with
the O key or o key. Also, specific information can be displayed
by directly entering that number with ten keys.

### EMG. History ###

  Laser Hours

CD

xxxxhxxm

DVD xxxxhxxm

a.

bb xx xx xx  xx xx xx xx
xx xx xx xx  xx xx xx xx

a.

bb xx xx xx  xx xx xx xx
xx xx xx xx  xx xx xx xx

   Select:1-9

Scroll:UP/DOWN

  (1.Latest EMG.)

Exit: RETURN

xxxxhxxm : The laser on total hours. Data below minutes are

omitted.

a.

: Error number.

bb

: Error code.

xx

: Not used.

• Clearing History Information
Clearing laser hours:

Press the 

[DVD DISPLAY]

 and 

[CLEAR]

 keys in this order.

Then both CD and DVD data are cleared.

Press the 

[DVD TOP MENU]

 and 

[CLEAR]

 keys in this order.

Press 

[DVD MENU]

 and 

[CLEAR]

 keys in this order.

The data have been initialized when “EEPROM Initialize Fin-
ished”  message is displayed.

• Code list of Emergency History

10: Communication to RF AMP (IC001) failed.
11: Each servo for focus, tracking, and spindle is unlocked.
12: Check sum error of EEPROM (IC204).
14: Communication to servo DSP (IC509) failed, or servo DSP

(IC509) is faulty.

15: Communication to DVD decoder (IC701) failed, or DVD

decoder (IC701) is faulty.

16: Communication to DSD decoder (IC801) failed, or DSD

decoder (IC801) is faulty. (Not used)

20: Initialization of sled servo failed. It is not placed in the ini-

tial position.

23: Sled servo operation error.
24: Made a request to move the sled servo to wrong position.
30: Tracking balance adjustment error.
31: Tracking gain adjustment error.
33: Focus bias adjustment error.
34: Focus gain adjustment error.
35: Equalizer adjustment error.
40: Focus servo does not operate.
41: With a DVD dual layer disc, focus jump failed.
50: CLV (spindle) servo does not operate.
51: Spindle does not stop.
60: Made a request to seek nonexistent address.
61: Seek error of retry more than regulated times.
70: Control data could not be read.
80: Disc reading failed.

On the Test Mode Menu screen, selecting 

[5]

 displays the infor-

mation of mechanism deck error history.
The history information from last 1 up to 8 can be scrolled with
the O key or o key.

### Mecha Error History ###

  1. aa bb cc dd ee xx xx xx
  2. aa bb cc dd ee xx xx xx
  3. aa bb cc dd ee xx xx xx
  4. aa bb cc dd ee xx xx xx
  5. aa bb cc dd ee xx xx xx
  6. aa bb cc dd ee xx xx xx
  7. aa bb cc dd ee xx xx xx
  8. aa bb cc dd ee xx xx xx

Scroll:UP/DOWN

(1.Latest Err.)

Exit: RETURN