Read Sharp XL-55 (serv.man22) Service Manual online
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XL-55H/65H
The time display indicates always "0:00".
When the following buttons are pressed in this state, the operation is executed as follows.
"ON/STAND-BY" ..... The test mode is turned off, the power is turned off, and the ordinary standby mode is set.
"FF/FWD" ................ The pickup slides toward the outer periphery while this button is held down.
"REW/REV" ............. The pickup slides toward the inner periphery while this button is held down. However, if PU-IN is on, input
"ON/STAND-BY" ..... The test mode is turned off, the power is turned off, and the ordinary standby mode is set.
"FF/FWD" ................ The pickup slides toward the outer periphery while this button is held down.
"REW/REV" ............. The pickup slides toward the inner periphery while this button is held down. However, if PU-IN is on, input
is invalid.
"PLAY" ..................... Shift to step 5
"STOP" .................... Return to step 1
"REC PAUSE" ......... Shift to step 5
"STOP" .................... Return to step 1
"REC PAUSE" ......... Shift to step 5
*If the focus is disturbed, the process returns to step 1.
4. Step 4 Mode (Only focus "OK" can make this item showing)
The CLV servo ON command (8600) sending operation is performed, and the next button input is waited. (The disc is rotated
to perform CLV locking.)
to perform CLV locking.)
When the following operation buttons are pressed in this state, the operation is executed as follows.
"ON/STAND-BY" ..... The test mode is turned off, the power is turned off, and the ordinary standby mode is set.
"FF/FWD" ................ The pickup slides toward the outer periphery while this button is held down.
"REW/REV" ............. The pickup slides toward the inner periphery while this button is held down. However, if PU-IN is on, input
"ON/STAND-BY" ..... The test mode is turned off, the power is turned off, and the ordinary standby mode is set.
"FF/FWD" ................ The pickup slides toward the outer periphery while this button is held down.
"REW/REV" ............. The pickup slides toward the inner periphery while this button is held down. However, if PU-IN is on, input
is invalid.
"PLAY" ..................... If the focus has been set, shift to step 4 is executed. If the focus has not been set, acceptance is inhibited.
"STOP" .................... Return to step 1
"REC PAUSE" ......... Shift to step 5
*If the focus is disturbed after it has been set, the process returns to step 1.
"STOP" .................... Return to step 1
"REC PAUSE" ......... Shift to step 5
*If the focus is disturbed after it has been set, the process returns to step 1.
3. Step 3 Mode
The laser is kept lighting. The processing (until turning-on of CLV servo of CD initialization operation flow) is executed, and
the next button input is waited. (The focus servo is turned on, and focus search is performed.)
The focus search is repeated until the focus is set.
the next button input is waited. (The focus servo is turned on, and focus search is performed.)
The focus search is repeated until the focus is set.
If the following buttons are pressed in this state, the operation is performed as follows.
"ON/STAND-BY" ..... The test mode is turned off, the power is turned off, and the ordinary stand-by mode is set.
"FF/FWD" ................ The pickup slides toward the outer periphery while this button is held down.
"REW/REV" ............. The pickup slides toward the inner periphery while this button is held down. However, if PU-IN is on, input
"ON/STAND-BY" ..... The test mode is turned off, the power is turned off, and the ordinary stand-by mode is set.
"FF/FWD" ................ The pickup slides toward the outer periphery while this button is held down.
"REW/REV" ............. The pickup slides toward the inner periphery while this button is held down. However, if PU-IN is on, input
is invalid.
"PLAY" ..................... Shift to step 3
"STOP" .................... Return to step 1
"REC PAUSE" ......... Shift to step 5
"STOP" .................... Return to step 1
"REC PAUSE" ......... Shift to step 5
2. Step 2 Mode
When the "PLAY" button is pressed in this mode, the laser lighting command LDON (8400) is sent, and the laser is turned on.
Other operations are not performed.
When the "PLAY" button is pressed in this mode, the laser lighting command LDON (8400) is sent, and the laser is turned on.
Other operations are not performed.
* In case of initialization the pickup is moved toward the inner periphery. Any buttons other than ON/STAND-BY button are not
accepted until the shift of pickup to the inner periphery is completed at this time. If PU-IN SW ON cannot be detected within
10 seconds, the slide motor is stopped, and the following error indication appears. Press the ON/STAND-BY button to end
the test mode, or press the STOP button to return to step 1. Any other operations are inhibited.
10 seconds, the slide motor is stopped, and the following error indication appears. Press the ON/STAND-BY button to end
the test mode, or press the STOP button to return to step 1. Any other operations are inhibited.
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