Kenwood KDC-W241AY Service Manual page 13

■ MENU-related test mode
Procedure
Press the [B.BOOST] key (main unit)
Press the [DNPP/SBF] and [DIRECT] keys (Remote control)
■ Backup current measurement
Procedure
While ACC OFF (Back Up ON), Reset
■ PREOUT switching (except KDC-W241AY/W241GY)
Procedure
In the STANDBY source, press and hold [TI] key for
1 second or longer
■ Fluorescent indicator tube (ED1) short check
Procedure
In the STANDBY source, press [ATT] key
■ Clearing CD mechanism information / Service information / DC offset error information (Clearing E2PROM data)
Status
While pressing and holding [2] key and
[5] key, reset-start.
While "– – – –" is displayed, power can be ON for 30 minutes. This mode is cancelled by resetting. (The last screen will not be retained.)
Data to be cleared is shown below.
CD mechanism information
Service Information
DC offset error information
■ Clearing DC offset error detection data (E2PROM data clearing)
Procedure
While pressing and holding [3] key and [6] key, reset-start.
KDC-W241AY/W241GY/W3041A/W3041AY/W3041G
/W3041GY/W312A/W312AY/W312G/W312GY/W312SAY
TEST MODE
Display
C D O
C D X
CD mechanism error log display
Displays CD loading error data
Displays CD EJECT error data
Displays CD time code count error data (missing count)
Displays CD time code count error data (count not updated)
Power ON time display
CD operation time display
CD EJECT times display
PANEL open/close times display
Forced Power OFF information display
DC offset error 1 display (Provides information on whether there is an improper connection or another error)
DC offset error 2 display (Provides information on the number of capacitor leaks)
Continuous forwarding by remote control is prohibited
MUTE terminal is OFF after 2 seconds, not after 15 seconds.
(During this time, the CD mechanism does not function.)
Switches PREOUT
All lights are off → Turns on odd and even terminals alternatively every
125ms (terminals that have a maximum number of grids) → Turns on only
the odd terminals → Turn on only the even terminals →
At normal termination
At abnormal termination
Entering DC offset error display mode.
Note
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Description
Note
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