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In the system test mode menu, selecting C.R.T.
TEST allows the screen (on which the monitor
is tested) to be displayed.
Selecting the RAM TEST on the system test
mode menu screen causes the on-board
memory to be tested automatically. The game
board is satisfactory if the display beside each
IC No. shows GOOD.
ASSEMBLING CHECK
D
In the TEST MODE, ascertain that the assembly has been made correctly and IC BD, is
satisfactory (refer to Section 9).
In the test mode, perform the following test:
(1) MEMORY TEST
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:
IC12 GOOD
OPTIONAL COMMUNICATION BOARD:
IC7 IC8 IC9 IC10 GOOD
.
.
.
PRESS TEST BUTTON TO EXIT
C.R.T. TEST PAGE#1
PRESS SERVICE BUTTON TO ANOTHER PAGE
PRESS TEST BUTTON TO EXIT
RED
GREEN
BLUE
WHITE
0 31
C.R.T. TEST PAGE#2
PRESS SERVICE BUTTON TO ANOTHER PAGE
PRESS TEST BUTTON TO EXIT
(2) C.R.T. TEST
14