Special Test Mode - Yamaha MDX-596 Service Manual

MDX-596

SPECIAL TEST MODE

How to set to the special test mode
Press the POWER button while pressing the SET/ENTER button and the STOP button. Then all the indicators will light up.
Operation procedure
Every time the SET/ENTER button is pressed, lighting of indicators and items on the display change as follows.
1) All indicators light up.
2) All indicators turn off.
3) Segments not sharing the border light up.
4) Above segments turn off and other segments light up.
5) The date when the software was entered appears on the display.
6) The version of the micro processor appears on the display.
7) The time of auto-marking appears on the display.
8) The analog level of auto-marking appears on the display.
9) The digital level of auto-marking appears on the display.
10) The parameter of the bit distribution during recording on the display.
11) The parameter of the bit distribution during recording on the display.
12) Write/read check for EEPROM appears on the display
When the INPUT button is pressed at this point, whether the micro processor executed data write/read function into
EEPROM or not is checked.
If [OK] appears on the display and the pin 6 of IC6 is at "H", the check result is satisfactory.
[NG] is displayed when there is an error while writing or reading the data.
In such a case, check EEPROM (IC7).
How to cancel the special mode
Press the STOP button, and the mode will change from the special test mode to the factory preset mode and the data in
RAM will be cleared.
Note : Turning off the power will cancel the special test mode but will not clear the data in RAM (ie., user settings are
maintained).
Data to write in EEPROM (IC7)
INPUT mode
REPEAT mode
RANDOM mode
PROGRAM mode
REC mode (STEREO/MONO)
AUTO MARK/MANUAL
DISPLAY mode
17
[ CPU Ver:TP03 ]
[ AM Time :C8h ]
[ AM Lv1_A:24h ]
[ AM Lv1_D:1Ah ]
[ Rec Bit0:C0h ]
[ Rec Bit1:FEh ]
[ EE W/R Check ]
Initial settings
ANALOG
OFF
OFF
OFF
STEREO
AUTO ("MANUAL" does not light up.)
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