Control Data Corporation CDC CC63X Hardware Maintenance Manual page 66

•
A
1
I
003
004
005
006
B
1
I
POWER
SUPPLY
LEOS
POWER
SUPPLY
CIRCUIT
BREAKER
CBI
G2
POT
04349-2
SAM 1-2
Figure 6A-l.
Location of Controls for Use in. SAMs
C
1
I
N Y
1/
N Y
I
1
All four power supply LEDs lit? Allow 30 seconds
Yiarmup.
Turn BRIGHTNESS control and G2 pot fully clockwise.
Does
a
full raster appear?
I I
. Readjust ~2 per procedure 16 to prevent damage to
screen and do the following as applicable.
I I
• If no message (screen blank) appears, go to SAM 4 •
• ·If a constant alarm sounds, go to SAM 4.
• If a message appears, but is difficult to
read due to
v
ideo problems, go to SAM 5.
• If following message appears, power on test
occurred successfully. XiS in message indicate
varying values. If terminal has a internal modem,
its revision level is included in message.
Go to procedure 2 to run test 3.
TEST. SWITCH ENABLED
INTERNAL MODEM REV X.X (only if internal modem)
RES REV X.X
COPYRIGHT CONTROL DATA 198X (only with enhanced
firmware)
• If the message indicates an error, turn to SAM
4.
1 Go to SAM 3.
007 1 1 1 Go to SAM 2.
6A-2- -
62940034 E
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