Sharp Aquos LC-45GD1E, Service Manual

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TU-45GD1E
LC-45GD1E
Key Function 1 (when on the left side of a page) Function 2 (when changing a numeric value)
Cursor UP
'
Cursor DOWN
"
Cursor RIGHT
|
Cursor LEFT
\
OK
INPUT
P_UP
(P (
ù
))
P_DOWN
(P (
Ù
))
VOL_UP
( (+))
VOL_DOWN
( (–))
ADJUSTMENT PROCEDURE (LC-45GD1E)
The adjustment values are set to the optimum conditions at the factory before shipping. If a value should
become improper or an adjustment is required due to part replacement, make an adjustment according to the
following procedure.
[Caution] When entering the adjustment process mode, do not change the set values other than
those for the basic adjustment described below. The system may be damaged beyond recovery.
Moving up by one item or moving to the previous
page (when at the top)
Moving down by one item or moving to the next
page (when at the bottom)
Moving to the right by one item
Page movement (when on the initial page)
Moving to the left by one item
Page movement (when on the initial page)
Test pattern off
Moving to the next page
Moving up by one item or moving to the previous
page (when at the top)
Moving down by one item or moving to the next
page (when at the bottom)
Moving to the right by one item
Page movement (when on the initial page)
Moving to the left by one item
Page movement (when on the initial page)
Incrementing the adjustment value by one or
executing (when selecting the W or R item)
Decrementing the adjustment value by one or
executing (when selecting the W or R item)
Moving to the right by one item
Moving to the left by one item
Executing the item (when selecting the W or R item)
Moving to the next page
Incrementing the adjustment value by one or
executing (when selecting the W or R item)
Decrementing the adjustment value by one or
executing (when selecting the W or R item)
Moving to the right by one item
Moving to the left by one item
5. Key operation in the process adjustment mode
•
Connect the system cable between the AVC and the Display.
•
Unplug the AC cord with the main power ( ) of the Display "ON".
•
While holding down the " (+)" key and "P(
Ù
)"keys at the same time, plug in the AC cord of the
Display. The unit starts up in the "Display process mode".
•
Go to page 1 of the "Display adjustment mode".
If multiple lines of red letters are displayed on the screen, it indicates the successful entry into the process
adjustment mode.
(At this time, the same displays appear on the left and right sides of the screen. This is normal.)
4. Exiting the adjustment process mode
•
The adjustment process mode is canceled by shutting off the power (of the remote control or "MAIN-
POWER").
1. Preparation for the adjustment
When replacing E2PROM IC (IC5305), use the unit on which software has been written.
Relevant units: DUNTKC470VJ52 (TMDS RX Unit) (IC5305)
2. Adjustment procedure
Enter the adjustment process mode
➝
Adjust VLS BIAS (15V) voltage
➝
Adjust GRAY LEVEL (14.2V)
voltage
➝
Adjust COM BIAS
➝
Adjust background
3. Entering the adjustment process mode (regardless of whether or not the system cable is connected)