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S1 signal output Forcibly superimpose the S1 signal (approx.
4.5V DC) on the EE chroma signal, and check
the output on the S terminal.
Press [5] [2] in service mode.
S2 signal output Forcibly superimpose the S2 signal (approx.
2V DC) on the EE chroma signal, and check
the output on the S terminal.
Press [5] [3] in service mode.
Front connection inspec-
tion
Press all front keys and check the connection
between Main P.C.B. and Front key Switches.
(1) Each time a key is pressed, seg-
ment turned on increases one by
one.
(2) Total umber of keys that have
been pressed.
Press [5] [4] in service mode.
Display the accumlated
working time
Display the accumulated unit's working time.
(Indicating unit: hour)
Press [6] [4] in service mode.
Delete the Error History Delete Error History information stored on the
unit.
Press [9] [7] in service mode.
Tray OPEN/CLOSE Test The RAM drive tray is opened and closed
repeatedly.
“*” is number of open/close cycle
times.
Press [9] [1] in service mode
*When releasing this mode, pull off
AC plug.
Error code initialization Initialization of the last error code held by
timer (Write in F00)
Press [9] [8] in service mode.
Initialize Service Last Drive Error, Error history and Error
Codes stored on the unit are initialized to fac-
tory setting.
Press [9] [9] in service mode.
Finishing service mode Release Service Mode. Display in STOP (E-E) mode. Press power button on the front
panel or Remote controller in ser-
vice mode.
Item FL display Key operation
Mode name Description (Remote controller key)
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