Pioneer DEH-225 Manual de serviço - Página 12
Procurar online ou descarregar pdf Manual de serviço para Leitor de CD Pioneer DEH-225. Pioneer DEH-225 50 páginas. High power cd player with fm/am tuner
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6.2 ERROR NUMBERS AND NEW 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
ER-XX
(2) Error Codes
Code
Carriage doesn't move to or from the innermost position
—Home switch failed and/or carriage immobile
— Defects, disc
upside-down, severe vibration
Spindle failed to lock or subcode unreadable
Subcode failure
—Spindle defective, defect, severe vibration
The disc is upside-down, defects, vibration
—Defects, disc
upside-down, severe vibration
Failed to reach target address
—Carriage/tracking defective and/or defects
Power overvoltage or short circuit detected
— Switching transistor defective and/or power abnormal
"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 11.
(2) Relations of keys between TEST and NEW TEST Modes
Keys
BAND
Regulator ON | Regulator OFF
be,
eee
Time of occurrence / cause of error select
Te |
FW-xiCk
TRACK /FF
|
TR |
REV-KICK
Track-/REV
[|
|_|
TRACKING CLOSE] SCAN
ae
eee
TRACKING OPEN | REPEAT
FOCUS CLOSE
RANDOM
MANU
FOCUS MODE __| AUTO/MANU
TRACK No./ time of occurrence select
Mode Select
Operations, such as EJECT, CD ON/OFF, etc. are performed normally.
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