Pioneer DEH-P4500R Manual de servicio - Página 16

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6.3 ERROR MODE

- Error Messages

If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of

the error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from

the users and also for facilitating trouble analysis and repair work in servicing.

(1) Basic Indication Method

1) When SERRORM is selected for the CSMOD (CD mode area for the system), error codes are written to DMIN

(minutes display area) and DSEC (seconds display area). The same data is written to DMIN and DSEC. DTNO

remains in blank as before.

2) Head unit display examples

Depending on display capability of LCD used, display will vary as shown below. xx contains the error number.

(2) Error Code List

Code Class

Electricity

Mechanism

System

Remarks: Mechanical errors are not displayed (because a CD is turned off in these errors).

Unreadable TOC does not constitute an error. An intended operation continues in this case.

Upper digits of an error code are subdivided as shown below:

1x: Setup relevant errors, 3x: Search relevant errors, Ax: Other errors.

8-digit display

ERROR–xx

Displayed error code Description of the code and potential cause(s)

Carriage Home NG

CRG can't be moved to inner diameter.

SERVO LSI Com-

CRG can't be moved from inner diameter.

→ Failure on home switch or CRG move mechanism.

munication Error

Communication error between microcomputer and SERVO LSI.

Focus Servo NG

Focusing not available.

→ Stains on rear side of disc or excessive vibrations on REWRITABLE.

Spindle Lock NG

Spindle not locked. Sub-code is strange (not readable).

→ Failure on spindle, stains or damages on disc, or excessive vibrations.

Subcode NG

A disc not containing CD-R data is found.

Turned over disc are found, though rarely.

CD signal error.

Setup NG

AGC protection doesn't work. Focus can be easily lost.

→ Damages or stains on disc, or excessive vibrations on REWRITABLE.

Search Time Out

Failed to reach target address.

→ CRG tracking error or damages on disc.

ALL Skip

Skip setting for all track.

(CD-R/RW)

CD On Mech Error

Mechanical error during CD ON.

→ Defective loading motor, mechanical lock and mechanical sensor.

Power Supply NG

Power (VD) is ground faulted.

→ Failure on SW transistor or power supply (failure on connector).

6-digit display

ERR–xx

DEH-P4500R/XM/EW

4-digit display

E–xx