SD-CX1 (serv.man5). Part 2 - text (Page 12-36) - Sharp Audio Service Manual (repair manual). Page 10

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SD-CX1H
1. CD test
Outline: Readout of the set value after automatic adjustment (for judging difference from initial value)
Forced operation of pickup (Inner/Outer circumference feed)
During the PLAY mode, the number of errors accumulated for 10 seconds (750 frames) is displayed.
Basic CD operation by CD-PLAY button
During the TEST mode, the display is turned on and the following buttons become effective.
Operation
1. CD-PLAY: CD operation according to steps
STEP 1: LD ON by pressing CD PLAY button in the stop mode
STEP 2: Focus ON by pressing CD PLAY button in STEP 1
STEP 3: CLV servo ON by pressing CD PLAY button in STEP 2
STEP 4: Tracking servo ON by pressing CD PLAY button in STEP 3
STEP 5: Sub-code readout/display by pressing CD PLAY button in STEP 4
* Keep pressing the CD PLAY button for more than 1 second to shift to STEP 5 directly.
2. CD STOP
: To stop the playback operation (shifting from each step to the stop mode)
 / To reset display (during display of coefficient)
3. CD SKIP-UP (TUNING   / 
 )
: Forcible shift in the pickup FWD direction
4. CD SKIP-DOWN (TUNING   / 
 )
: Forcible shift in the pickup REV direction
  Sliding is stopped when the PU_IN switch is turned on.
5. MD-STOP
: Automatic adjustment (at the present pickup position)
6. POWER
: Canceling the test mode
7. REC MODE
: To read the coefficient register while the CD operation is stopped/
 To display the error number during CD playback
8. VOLUME UP/DOWN
: Normal volume control
9. CD/MD OPEN/CLOSE
: Normal open/close operation
10. CD EJECT
: Normal CD eject
Readout of the adjusted value
Press the REC-MODE button during the stop mode to read the following items.
Press the C-STOP button to return to the normal display.
Item
Display
Max
Type
Min
Focus balance
_ _ F B : 
× ×
7 F
0 0
8 0
Focus gain
_ _ F G : 
× ×
1 F
0 0
E 0
Tracking balance
_ _ T B : 
× ×
7 F
0 0
8 0
Tracking gain
_ _ T G : 
× ×
1 F
0 0
E 0
Focus offset
F O F F : 
× ×
7 F
0 0
8 0
Tracking offset
T O F F : 
× ×
7 F
0 0
8 0
RFRP
R F R P : 
× ×
7 F
0 0
8 0
Even if the CD-PLAY button is pressed initially, automatic adjustment is not obtained. Press the MD-STOP button in the stop
mode to gain CD-PLAY for automatic adjustment. Thereafter press the CD-STOP button to stop automatic adjustment.
Press the REC-MODE button to display automatically adjusted values.
Readout of error numbers
Press the REC-MODE button during playback to display the number of errors accumulated for 10 seconds (750 frames).
Press the REC-MODE button during ERR display to return to the normal TEST mode display.
TNO Display
Time Display
N: Normal speed
H: Double speed
N
H
Page of 25
Display

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