Sony HCD-C770 Service Manual page 27

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2-7. Disc Check Memory
Disc Check Memory
1. SL Disc check
2. SL Disc check
3. SL Disc check
On this screen, measure the mirror time of chucked disc, and write
to the EEPROM.
2-8. Error Rate Display
Error Rate Display
PI1 Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
PI2 Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
PO Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
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Avg xx xxxx xxxxxxxx
On this screen, measure and display the error rate.
UC : Incorrect value
CR : Correct value
Add : Address
2-9. SACD Water Mark Check
SACD Water Mark Check
PSP AMP
PSN
Start: ENTER
On this screen, measure the PSP AMP value and PSN value of SACD
water mark.
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Exit: RETURN
UC CR ADD
Exit: RETURN
Exit: RETURN
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3. MECHA AGING
On the Test Mode Menu screen, selecting
the mechanism deck.
### Aging Test MENU ###
1. Open/Close Test
1) On the Aging Test MENU screen, press the
remote commander to display the Open/Close Test screen.
2) Insert discs and press the
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 x key. After the operation is stopped, press the
[RETURN]
key aging to return to the Aging Test MENU.
4. EMERGENCY HISTORY
On the Test Mode Menu screen, selecting
Q Q
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information 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
a. bb xx xx xx
xx xx xx xx
a. bb xx xx xx
xx xx xx xx
Select:1-9
(1.Latest EMG.)
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:
[DVD DISPLAY]
Press the
Then both CD and DVD data are cleared.
co
Clearing emergency history:
[DVD TOP MENU]
Press the
.
Initializing set up data:
[DVD MENU]
Press
The data have been initialized when "Set Up Initialized"
message is displayed. The EMG. History screen will be restored
soon.
HCD-C770/C990
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[3]
executes the aging of
Operation Menu
Exit: RETURN
[1]
[ENTER]
key on the remote
[4]
0 5 8 2 9 9 4 2 8
CD xxxxhxxm
DVD xxxxhxxm
xx xx xx xx
xx xx xx xx
xx xx xx xx
xx xx xx xx
Scroll:UP/DOWN
Exit: RETURN
m
[CLEAR]
and keys in this order.
[CLEAR]
and keys in this order.
[CLEAR]
and keys in this order.
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key on the
x key or
displays the
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