Panasonic DMR-EZ49VEB, Service Manual

Page: 26 / 157

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Laser power confirma-
tion Drive state is judged based on difference
between laser power value at shipping and
present laser power value.
* is judgement result
If DVD-RAM disc in not inserted, [NO
DISC] is displayed.
If power value study was filed,
[ERROR] is displayed.
1. into
DVD 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.
PB HIGH Signal Out-
put 8 pin of AV 1 Jack (PB HIGH terminal) is High
(approx. 11V DC). Press [5] [2] in service mode.
PB MIDDLE Signal
Output 8 pin of AV 1 Jack (PB HIGH terminal) is Mid-
dle (approx. 5.5V DC) 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, seg-
ment turned on increases one by one.
(2) Total umber of keys that have been
pressed.
Press [5] [4] in service mode.
Production Date Dis-
play Display the date when the unit was produced.
YY: Year
MM: Month
DD: Day
Press [6] [1] in service mode.
Display the accumu-
lated working time Display the accumulated unit's working time.
(Indicating unit: Second)
Press [6] [4] in service mode.
Item FL display Key operation
Mode name Description (Remote controller key)