Panasonic DMR-EZ27P, Service Manual

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Item FL display Key operation
Mode name Description (Remote controller key)
Laser power confirmation Drive state is judged based on difference
between laser power value at shipping and
present laser power value.
If DVD-RAM disc in not inserted,
[NO DISC] is displayed.
If power value study was failed,
[NG] is displayed.
1. into RAM
Drive in service mode. (Other
media are assumed to be non-
correspondence.)
2. Press [4] [4].
Turn on all FL/LEDs All segments of FL and all LEDs are turned
on. All segments are turned on. Press [5] [1] in service mode.
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
inspection
Press all front keys and check the connection
between Main P.C.B. and Front key Switches.
(1) Each time a key is pressed,
segment turned on increases one
by one.
(2) Total number of keys that have
been pressed.
Press [5] [4] in service mode.
*When finish this mode, Press
[Power] for 10 seconds.
Production Date Display Display the date when the unit was produced.
YY: Year
MM: Month
DD: Day
Press [6] [1] in service mode.
Display the accumulated
working time Display the accumulated unit´s working time.
(Indicating unit: Second)
Press [6] [4] in service mode.
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DMR-EZ27P / DMR-EZ27PC