6
20MR10
For adjustments of this model, the bus data is converted to various analog signals by the D/A
converter
circuit.
Note: There are still a few analog adjustments in this series such as focus and master screen voltage.
Follow
the steps below whenever the service adjusment is required.
To enter the service mode and exit service mode.
While
pressing
the Vol-up and Ch-up
buttons
at the
sametime,
plug
the AC cord into a wall socket.
Now, the TV set is
switched
on and enters the service mode.
To
exit
the service mode,
turn
the
television
off by
pressing
the
power
button.
1. Service mode.
Before
putting
unit
into
the service mode,
check
that
customer
adjustments
are in the
normal
mode.
Use the reset
function
in the
video
adjustment
menu
to ensure
customer
control
are in
their
proper
(reset) position.
2. Service number selection.
In the service mode, you will see the
window
screen as window . There are 3 adjustment categories DEF,
SIGNAL, FIX VALUE as show in Figure A.
Press CH UP/DOWN button for selection and enter by VOL UP or VOL DOWN.
Press CH UP/DOWN
button
to
select
the
adjustment
item and VOL UP/DOWN
to adjust the data
number
for each categories.
(OSD disturbance can be erased by R/C display key)
(Note: EEPROM – factory used only)
Figure A: ADJUSTMENT CATEGORIES
Window : DEF
DEF
RETURN
FIX VALUE
NEXT
RETURN
D01
D03
D05
RETURN
D02
D04
D06
Window : FIX VALUE
Window : ADJUSTMENT CATEGORIES
SERVICE MODE
DEF
SIGNAL
FIX VALUE
EEPR OM
RETURN
Window : SIGNAL
SIGNAL
S01
S13
RETURN
S02
S12
F01 F02
F13 F14
RETURN NEXT
F15 F16
F25 F26
RETURN PREVIOUS
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