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5. Checking Focus Servo and Error Rate (PIT Disc)
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7)
Insert the test disc TGYS-1.
Move the optical pickup to the center track or its around of a disc using the >» and the <4 buttons.
Press the "MODE" button to show "SELECT PIT" on the display.
Press the < > button to show "FOCUS ON!" on the display..
Press the "ENTER" button to show "ALL SV ON" on the display. Then press the "DISPLAY" button once to check that the
address display advances with regularity.
Press the "DISPLAY" button again to show the playback error rate on display and check that the value shown by the asterisks
.
(#***) of "Er
HHHP' is "0030" or less.
After the adjustment is completed, press the I button to return to the "ALL SV OFF" state.
6. Checking Record/Playback Error Rate (MO Disc)
1)
2)
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Insert the test disc MDW-60.
Move the optical pickup to the center track or its around of a disc using the >» and the <4 buttons.
Press the "CD function" button to start recording from 600 cluster.
After about 15 seconds of recording, press the lf button to show "ALL SV OFF" on display.
Press the "AUX" button to enter the "ALL SV ON" mode. Then press the "DISPLAY" button at around the 600 cluster.
Check that the value of "Er****:#HH#?" is "0020" or less.
After adjustment, press the ll button to show "ALL SV OFF" on display.
7. UTOC ERASE
Perform this item only when the recorded disc should be erased.
1)
2)
3)
4)
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8)
Insert the disc from which UTOC is to be erased.
Move the optical pickup to the center track or its around of a disc using the «4 I< and the >». >> buttons.
Press the "MODE" button to show "SELECT GRV" on the display.
Press the "MD REC" button to show "REC Analog" on the display.
Press the MD < > button to show "FOCUS ON!" on the display.
Press the "ENTER" button to show "ALL SV ON" on the display.
Press the @ button to show "UTOC ERASE" on the display and UTOC is erased.
After erasing UTOC, "ALL SV OFF" is displayed.
SERVICE JIG AND TOOLS
Use the following jigs when opening the C.B boards.
JIG, P-CD BY TORIKOSHI
| SV-J00-018-010
FF-CABLE, 16P 1.0250mm
| 87-CE1-640-010
NAME
PART NO
oa
46
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