Sony HCD-LF1 Service Manual page 24

Super audio cd/dvd player
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HCD-LF1
8. Key Test Mode
Procedure:
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "Key Test" is displayed.
3. Press the ENTER "R" button while the message "Key Test"
is being displayed. The message "Key Number 0" is displayed.
4. Each time a button is pressed, the key number increases.
5. The key test reaches its end when the "Key Number 2" is
displayed.
9. Display Test Mode
Procedure:
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "Display Test" is displayed.
3. Press the ENTER "R" button while the message "Display
Test" is being displayed. The Display Test Mode is activated.
4. Each time the TEST MODE key (S301) is pressed, the display
changes as follows: (This operation cannot be performed
externally.)
All lights off t All lights on t Displays light on alternately
Illuminate alternately t All lights off
10. AMP Test Volume
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "Amp Test Volume" is displayed.
3. Press the ENTER "R" button while the message "Amp Test
Volume" is being displayed. The message "Amp Test Volume
Min" is displayed.
4. Each time the b "R" button is pressed, display changes as
follows:
Min(0) t Cen (20) t Max (40) t Min (0)
11. Repeat Limit
Procedure:
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "Repeat Limit" is displayed.
3. Press the ENTER "R" button while the message "Repeat
Limit" is being displayed. The message "Repeat Limit
Command Out" is displayed.
4. Press the ENTER "R" button while the message "Repeat
Limit Command Out" is being displayed. The message "Limit
Off" is displayed.
12. DVD Service
Procedure:
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "DVD Service" is displayed.
3. Press the ENTER "R" button while the message "DVD
Service" is being displayed. The message "DVD Service On"
is displayed.
4. Press the ENTER "R" button while the message "DVD
Service On" is being displayed. After a while, the message
"SERVICE IN" is displayed, and "TEST MODE MENU" is
then displayed on the on-screen display (OSD).
13. Product Out
This function is not available outside the factory. Please skip over
this mode.
24
14. VACS ON/OFF
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "VACS On/Off" is displayed.
3. Press the ENTER "R" button while the message "VACS On/
Off" is being displayed. Either the message "VACS On" or
"VACS Off" is displayed.
4. Select either "VACS On" or "VACS Off" by the b "R" key.
5. After this check is completed, make sure to return the set to
"VACS On".
15. VACS Display
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. The message "VACS Display" is displayed.
3. Press the ENTER "R" button while the message "VACS
Display" is being displayed. "VACS * " is displayed, where
"*" represents numeric value.
4. If "VACS Off" is selected in step 14, "VACS Off" is displayed.
16. Touch Sensor Test
1. Press the TEST MODE key (S301) inside the product or the
RETURN O "R" button.
2. "QT SCAN" is displayed with the numbers of 0 to 9 after the
character.
3. Press the Touch sensor while a number in the range of 0 to 9 is
being displayed. The asterisk (*) is displayed next to the
corresponding number when a touch sensor is touched.

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