Kenwood KD CW 237 GY Service Manual

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KDC-W237AY/W237GY/W3037AY/W3037GY/
W31 1AY/W31 1GY/W3537AY/W3537GY/W4037Y

TEST MODE

I MENU-related test mode

Procedure Note

Press the [B.BOOST] key (main unit) Continuous forwarding by remote control is prohibited

Press the [DNPP/SBF] and [DIRECT] keys (Remote control)

l Backup current measurement

Procedure Note
While ACC OFF (Back Up ON), Reset MUTE terminal is OFF after 2 seconds, not after 15 seconds.

(During this time, the CD mechanism does not function.)

I PREOUT switching (KDC-W4037Y only)
Procedure Note
In the STANDBY source, press and hold [Tl] key for Switches PREOUT

1 second or longer

I Key illumination switching

Procedure Note

In STANDBY source press [AUTO] or [Tl] key Switches the key illumination GREEN / RED.

I Fluorescent indicator tube (ED1) short check

Procedure Note

In the STANDBY source, press [ATT] key All lights are off a Turns on odd and even terminals alternatively every
125ms (terminals that have a maximum number of grids) ~> Turns on only

the odd terminals a Turn on only the even terminals a

I Clearing CD mechanism information / Service information / DC offset error information (Clearing E2PROM data)

Status Display Description
E D @ D D D D D At normal termination
E D D D D D D At abnormal termination

While - - - -" is displayed, power can be ON for 30 minutes. This mode is cancelled by resetting. (The last screen will not be retained.)

While presstng and holding [B.BOOST]

key and [ATT] key, reset-start.

Data to be cleared is shown below.

CD mechanism information I20 communication status display

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)

Service Information 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 information 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)

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