Matsushita Electric DMR-ES15PL, Service Manual

Page: 20 / 119

Item FL display Key operation
Mode name Description (Remote controller key)
Delete the Last
Drive Error Delete the Last Drive Error
information stored on the DVD
RAM-Drive. Press [9] [6] in service
mode.
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
filed, [ERROR] is
displayed.
1.
into RAM Drive in service mode.
(Other media are assumed to be
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 umber of keys
that have been pressed.
Press [5] [4] in service
mode.
Production Date
Display Display the date when the unit
was produced.
YY: Year
MM: Month
DD: Day
Press [6] [1] in service
mode.
20