Self-Diagnostic Function Of Pickup Defective; General Information - Onkyo DR-S2.2 Service Manual

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GENERAL INFORMATION

DIAGNOSIS

SELF-DIAGNOSTIC FUNCTION OF PICKUP DEFECTIVE

This unit can confirm the laser diode current value (DVD: 650nm, CD: 780nm) of pickup on the Test Mode screen.
(Press the RETURN
It's effective in case of the following condition.
Symptom
• Indicates "No Disc" in FL display.
• Player does not playback, etc..
Procedure of Self-Diagnosis
1
Enter the Test mode.
2 When diagnosing the 650nm laser diode:
Press the SETUP
When diagnosing the 780nm laser diode:
Press the SETUP
When let it turn on once again after performed
After pressed A.CONT key once
650nm: Press the
780nm: Press the
Confirm the indicated value of the laser diode current (LDI). (Refer to following figure.)
3
TE 4
When indicated value is more than 100, pickup is defective.
L 13942296513
Replace the Traverse Mechanism Assy or Pickup.
Note :
When a DVD disc or a CD disc is played in the test mode, this function is effective.
Laser diode current value
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SETUP keys in order on the test mode remote control unit (GGF1067) to enter the test mode.)
1
keys in order, and turn on the laser diode (It light-up for nine seconds.).
4
keys in order, and turn on the laser diode (It light-up for nine seconds.).
2
1
SETUP
keys in order
SETUP keys in order
4
Character in bold : Item name
: Information display
Test Mode Screen Display
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2 9
8
once,
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Replacement is necessary
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