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

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
SETUP
780nm: Press the SETUP
Confirm the indicated value of the laser diode current (LDI). (Refer to following figure.)
3
4
When indicated value is more than 100, pickup is defective.
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
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.).
once,
2
1
keys in order
keys in order
4
Character in bold : Item name
: Information display
Test Mode Screen Display
Page 80
Replacement is necessary
DR-S2.2