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MD-X5/X5H/X5W/X7/X7H/X8/X8H/X8W/XV300H/XV300X
2. Test mode
: Places to add/change/correct Test mode setting method 1. Holding down the ENTER button and MD (PLAY/PAUSE) button, press the POWER button. (State A is changed to state B .) 2. Insert the playback disc 1 (high reflection disc) or recording disc 2 (low reflection disc). (State C is set.) Thus, the test mode state is set. A tsm TEST e : TEST MODE STOP state represents version of MD microcomputer. (When the MD (STOP) button is ressed in the C state, the indication A is restored. To restore C again, press the CD (PLAY/ PAUSE) button.)
B EJECT TEST
C AUT YOBI TEST Entering the specific mode Whenever the CD (PLAY/PAUSE) button is pressed, the mode is changed. AUTO pre-adjustment AUTO adjustment RESULT Pre-adjustment EEPROM setting MANUAL adjustment
RESULT MANUAL pre-adjustment
MANUAL pre-adjustment (MD-X8W Only)
� Canceling the test mode When the ENTER button is pressed and held, and then the POWER button is pressed, the TEST mode will be canceled and the power will be turned off. (If the ENTER button is pressed, the unit will enter the MD stand-by mode.) EEPROM (IC1402) writing procedure 1. Procedure to replace EEPROM and to write the initial value of microcomputer in EEPROM (See the MD-X8/MD-X8H/MD-X8W service manual, page 28.)
(1) Replace EEPROM. (2) Refer to the latest EEPROM data list. (3) Hold down the ENTER button and MD PLAY button, and press the POWER button to enter the test mode. When an MD is loaded, "AUT YOBI" will appear. Press the MD STOP button. When the MD STOP button is pressed, the version described in step (4) below will be displayed. (4) Indication of version. [tsm e ] EEPROM version (c to z) Microcomputer ROM version Model code (5) Press the CD PLAY button 7 times. [EEPROM SET] (6) Perform the operation shown in the "EEPROM setting mode chart", compare the indication with the EEPROM data list, and make a setting according to the EEPROM data list, using MULTI UP button or MULTI DOWN button. (7) Set the temperature reference value. (Refer to "Temperature reference setting procedure".) (8) The setting must conform to the EEPROM data list. (9) Press the ENTER button to write the data into the EEPROM.
2. Temperature reference value setting procedure (to be executed at room temperature within 21 to 29°C)
(1) Test mode stop state. [tsm e ] (2) Crrect temperature depending on ambient temperature according to the following table. Ambient temperature + 12.2 °C ~ + 15.8 °C + 15.9 °C ~ + 19.6 °C + 19.7 °C ~ + 23.2 °C + 23.2 °C ~ + 26.8 °C + 26.9 °C ~ + 30.7 °C + 30.8 °C ~ + 34.3 °C + 34.4 °C ~ + 37.9 °C correction -0 3 H -0 2 H -0 1 H ±0
H
+0 1 H +0 2 H +0 3 H
An example: When ambient temperature is 22°C and meadured temperature is 73H Temperature setting = 73 H - 01 H = 72 H * When the measured temperature fluctuates between two values, take lower one (if temperature fluctuates between 73H and 72H, take 72H). 3) Press the CD PLAY button 7 times. [EEPROM SET] (4) Press the MD PLAY button 1 times. [ Focus ] (5) Press the CD PLAY button 4 times. [ Temp ] (6) Press once the MD PLAY button. [TEMP ] : Measured temperature, : Temperature setting (7) Set temperature to the value determined above, using the MULTI UP or MULTI DOWN button. (8) Press the MD STOP button. [ Temp ]
