Sega 999-1108 owner manual System Test Mode System Test Mode Menu, RAM Test

8 - 2 SYSTEM TEST MODE

A. SYSTEM TEST MODE MENU

Press TEST Button to enter the TEST MODE, and the following Menu screen will be displayed.

SYSTEM MENU

XXXXXXXXX VERSION

RAM TEST

JVS TEST SOUND TEST C.R.T. TEST

SYSTEM ASSIGNMENTS COIN ASSIGNMENTS BOOKKEEPING BACKUP DATA CLEAR ROMBD TEST

CLOCK SETTING GAME TEST MODE

> EXIT

SELECT WITH SERVICE BUTTON AND

PRESS TEST BUTTON

Press SERVICE Button to move the

arrow (>) to the desired item and select with TEST Button.

Bring the arrow to EXIT and press TEST Button to return to the GAME Mode.

B. RAM TEST

This allows for checking the functioning of the RAM on the Game BD.

In this test, IC's are checked in every row. During the test, "CHECKING" is displayed at the right-hand side of the screen. "BAD" is indicated for irregular RAMs, if any.

Upon finishing the test, "PRESS TEST BUTTON TO EXIT" is displayed on the lower center of the monitor. Press TEST Button to return to the MENU screen.

RAM TEST

IC15 IC16 IC17S IC18S GOOD

IC22 IC23 IC24S IC25S GOOD

IC28 IC29S	GOOD
IC41	GOOD
IC42	GOOD
IC44 IC45S IC46 IC47S GOOD
IC91S IC92S	GOOD
IC98	GOOD
OPTIONAL SOUND BOARD:
IC2	GOOD

OPTIONAL COMMUNICATION BOARD:

IC7 IC8 IC9 IC10 GOOD

PRESS TEST BUTTON TO EXIT

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