Self-Diagnosis Function Of Pickup - Pioneer DV-45A Service Manual

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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 —> [TEST] keys in order on the test mode remote control unit (GGF1067) to enter the test mode.)
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
@ Enter the Test mode.
@ When diagnosing the 650nm laser diode:
Press the — [1] keys in order, and turn on the laser diode (It light-up for nine seconds.).
When diagnosing the 780nm laser diode:
Press the ~» [4] keys in order, and turn on the laser diode (It light-up for nine seconds.).
When let it turn on once again after performed @ once,
After pressed key once
650nm: Press the — [1] keys in order
780nm: Press the — [4] keys in order
@) Confirm the indicated value of the laser diode current (LD1). (Refer to following figure.)
@|When indicated value is more than 100, pickup is defective. — Replacement is necessary
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
QO: Information display
OboOoOoOoooo R-DOOO K-OO
c-ROO GOO. BOO M-OO s-OO0
Laser diode current value —-—F 2-44 Fe LD I "Hoo. v-OOoOO SK-OO
g SHAN
sPDL-OOO AFB—UUU AV:0. OO/0000
AGC-OO00 [0] FL:OOOOREG:O0O
KS-[O0000] ooOoOoO MOL :O000/000
ER- oooo0o00
MM— v:0. 000 FLSH:0
psc-oo0 BM-OO $:0. O/on0o0
J-—o0000 J4-00 @-oo00 mM:O0/00 4#H-o. oO0
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