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7.1.2 SELF-DIAGNOSIS 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 ESC ? TEST keys in order on the test mode remote control unit (GGF1067) to enter the test mode.)
A
It's effective in case of the following condition.
Symptom
Y Indicates "No Disc" in FL display.
Y Player does not playback, etc..
Procedure of Self-Diagnosis
1 Enter the Test mode.
2 When diagnosing the 650nm laser diode:
Press the TEST ? keys in order, and turn on the laser diode (It light-up for nine seconds.).1
B
When diagnosing the 780nm laser diode:
Press the TEST ? keys in order, and turn on the laser diode (It light-up for nine seconds.).4
When let it turn on once again after performed 2 once,
After pressed REP.B key once
650nm: Press the TEST ? keys in order1
780nm: Press the TEST ? keys in order4
3 Confirm the indicated value of the laser diode current (LDI). (Refer to following figure.)
4 When indicated value is more than 100, pickup is defective. ? Replacement is necessary
C
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.
Character in bold : Item name
: Information display
Laser diode current value
D
E
F
DV-47Ai67
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