10.2.8. Optical Pick-up Self-Diagnosis
The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use
the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing
the optical pickup when "NO DISC" is displayed. As a guideline, you should replace the optical pickup when the value of the laser
drive current is more than the specified value.
Note:
Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise,
the result will be incorrect.)
"NO DISC" is displayed, unit
does not play smoothly, etc.
Check the laser drive current.
Replace the optical pickup.
(Refer to the section "OPTICAL
PICKUP REPLACEMENT
PROCEDURE" in this Guide.)
Do the optical pickup tilt
adjustment. (Refer to the section
"TILT ADJUSTMENT" in this
Guide.)
Initialize the main unit.
Check the laser drive current
after replacement.
Write the present value into the
unit if it is 23 (DVD), 34 (CD) or
less.
Value is 23 (DVD),
34 (CD) or less.
Value is more than
23 (DVD), 34 (CD).
Use the tilt adjustment
check function.
Note: Press "FL DISPLAY" button on remote
Note:
Press "FL DISPLAY" button on remote
control unit for next page display.
control
unit for next page display.
Replace with a new optical pickup if the present
value is more than 23 (DVD), 34 (CD).
Cause: Damage due to static electricity
during replacement.
Method: With no disc in the main unit:
· Press the "FL DISPLAY" button on the remote
control unit while pressing the "STOP"
button on the main unit. (DVD)
· Press the "3" button on the remote
control unit while pressing the "STOP"
button on the main unit. (CD)
Use the optical pickup self-diagnosis function.
Method: With no disc in the main unit:
· Press the "FL DISPLAY" button on the remote
control unit while pressing the "STOP"
button on the main unit. (DVD)
· Press the "3" button on the remote
control unit while pressing the "STOP"
button on the main unit. (CD)
Display content (display1/display2)
LDD
(DVD)
LDC
(CD)
Factory setting
Present value
Factory setting
Present value
/
/
Writing method:
· Press the "PAUSE" button on the remote
control unit while pressing the "STOP"
button on the main unit.
57
SA-PTX7P
Содержание SA-PTX7P
Страница 12: ...12 SA PTX7P ...
Страница 29: ...RX RX RX RX CH2 AB CH2 AB CH1 CD B 1 1 1 Multi room Multi source 29 SA PTX7P ...
Страница 66: ...11 2 Main Components and P C B Locations 66 SA PTX7P ...
Страница 85: ...Step 3 Remove the middle chassis Step 4 Remove the traverse unit 85 SA PTX7P ...
Страница 94: ...Note Insulate AC Inlet P C B from other parts with insulating material eg plastic 94 SA PTX7P ...
Страница 97: ...97 SA PTX7P ...
Страница 116: ...116 SA PTX7P ...
Страница 118: ...SA PTX7P 118 ...
Страница 130: ...SA PTX7P 130 ...
Страница 132: ...132 SA PTX7P ...
Страница 172: ...SA PTX7P 172 ...
Страница 183: ...26 Exploded Views 183 SA PTX7P ...
Страница 184: ...184 SA PTX7P ...
Страница 185: ...26 1 Cabinet Parts Location SA PTX7P 185 ...
Страница 186: ...SA PTX7P 186 ...
Страница 187: ...SA PTX7P 187 ...
Страница 188: ...SA PTX7P 188 ...
Страница 189: ...26 2 Packaging SA PTX7P 189 ...