Test Mode - Pioneer AVIC-505 Service Manual

AVIC-505

7.2.2 TEST MODE

- Error Number Indication
If the CD should fail to operate or if an error has taken place during operation the player will enter into the error
mode, and the cause of the error will be numerically indicated.
This is aimed at assisting in analysis or repair.
(1) Basic Means of Display
· With ERROR indicated in "MODE" on IP-BUS Display data, an error code is transmitted by the use of MIN and SEC.
The MIN and SEC data will be identical.
· Examples of Display
(2) Error Codes
Error Classification
Code
10 ELECTRIC
11 ELECTRIC
12 ELECTRIC
14 ELECTRIC
17 ELECTRIC
19 ELECTRIC
30 ELECTRIC
A0 SYSTEM
"defects" means scratches, dirt etc an the surface of the disc.
- New Test Mode(aging operation and setup analysis)
The single CD player plays in normal mode. After being set up, it will display FOK (focus), LOCK (spindle), subcode,
sound skip, protection against a mechanical error or the like, occurrence of an error, cause and time of an expiry, if
any, (and disc number).
During the setup, the CD software operation status (internal RAM and C-point)is displayed.
(1) How to enter NEW TEST Mode
See the test mode flow chart Page 63.
88
ERROR-XX
Description
Carriage home failure
Focus failure
SETUP failure
Subcode failure
Mirror failure
Set up failure
Set up failure
Search time out
Power failure
Cause/Detail
Carriage doesn't move to or from the innermost position
→Home switch failed and/or carriage immobile
Focus failed
→Defects, disc upside-down, severe vibration
Spindle failed to lock or subcode unreadable
→Spindle defective, defect, severe vibration
Unrecorded CD-R
The disc is upside-down, defects, vibration
AGC protect failed
→Defects, disc upside-down, severe vibration
Tracking error waveform is too unbalanced (>50%) or
level is too small
→The P.U.unit or tracking error circuitry is N.G.
Failed to reach target address
→Carriage/tracking defective and/or defects
Power overvoltage or short circuit detected
→Switching transistor defective and/or power abnormal