3 - 2 MEMORY TEST
When the Memory Test is finished, have the Menu mode return on the screen, turn the power off and turn it back on again. To prevent malfunctioning, have the IC Board initialization performed by turning the power off and then turning it back on again.
The MEMORY TEST mode is for automatically checking the on-BDmemory IC functioning. "GOOD" is displayed for normalICs and "BAD" is displayed for abnormal ICs.
When the test is completed, if the results are shown as above,it is satisfactory.
During the test, TESTING NOW is displayed on the lower partof the screen. After an elapse of 5 minutes, if the test is notfinished, the IC Board may be malfunctioning.
Upon finishing the test, press the Test button to proceed to"CPU ROM TEST."
During the test, the TESTING NOW message is displayed on thelower part of the screen. Upon finishing the test, if the aboveis displayed, it is satisfactory.
After finishing the test, press the Test button to proceedto "VIDEO RAM TEST."
During the test, the TESTING NOW message is displayed on thelower part of the screen. Upon finishing the test, if there isno irregularity, nothing will be shown as above.
After finishing the test, press the Test button to proceedto "VIDEO BOARD ROM TEST."
During the test, the TESTING NOW message is displayed on thelower part of the screen. After finishing the test, if the aboveis displayed, it is satisfactory.
After finishing the test, press the Test button to return tothe Menu screen (FIG. 2.2). Then, tum off power and tum it backon again. IC Board initialization is perfonned by fuming the poweroff and then fuming it back on again. Failing to do this fumingoff-on procedure can cause malfunctioning.