Kenwood KDC 1028 Service Manual

Page 9

TEST MODE

How to enter the test mode

While simultaneously press PRESET 1 key and PRESET 3
key, press RESET button.

How to release the test mode
Press RESET button. (The release cannot be achieved in
the conditions of POWER OFF and ACC OFF.)

Initial conditions of the test mode

- The source is STANDBY.

- The displays all lit up.

. The volume is at -10dB (The display shows 30".)

- LOUD is OFF.

' CRSC is OFF".

' SYSTEM Q is NATURAL.

- BEEP is sounded at all time with the key depressed for less
than 1 second.

Special displays when all indicator lights are lighted
When PRESET keys are pressed while all indicators for the
STANDBY sources are lighted, the following displays will ap»
pean

PRESET - Version display (4 digits :month, date)
1" key (4digits :hour, minute)

(Display) : XXXX xxxx

PRESET - Serial number display (4 digits) (4 digits)

2"key (Display):XXXX xxxx

PRESET - When pressed for less than 1 second : POWER ON
3" key time display (STANDBY source time is not counted.)
(Display) :777 X xxxx MAX 60,000 (hours)
The display is cleared by pressing the key for more

than 2 seconds.

PRESET - When pressed for less than 1 second : CD operation
4 key time display
(Display) :777 X xxxx MAX 60,000 (hours)

" The display is cleared by pressing the key for more

than 2 seconds.

KDC-1028/128/128CR

KDC-129/1298/229

PRESET
5" key

- When pressed for less than 1 second :CD EJECT
number display
(Display) :777 X xxxx MAX 60,000 (times)

* The display is cleared by pressing the key for more

than 2 seconds.

PRESET
6" key

- When pressed for less than 1 second :Panel open/
close number display
(Display) :777 X xxxx MAX 600,000 (times)

The display is cleared by pressing the key for more

than 2 seconds.

FM"

key

- ROM CORRECTION version display
(Display)
Effective : Rxxx (x : number)
Not ettective (When not able to read) : R - - -

Not etlective (When version is different) : R%%%

AM"

key

- |ClO adjustment status (Refer to ADJUSTMENT" on
the following page.)
(Display)
Adjustment complete : EZOK
Adjustment not completed : E2EFl
Communication error : ICER
* When other than E2P 7 OK 7 7", Pin No. 30 will

become H.

K4"

key

- Mechanism error detection status
- Communication error a Error No. 1 ~> Error No.2 a
Error No. 3 a Communication error (Error No. 1 is the
most recent error.)
(Display)
Communication OK : ICOK
Communication error : ICER
Not detected : En - (n : 1~3)
Detected : Enérér (kale : error code)
" The display is cleared by pressing the key for more

than 2 seconds.