Sharp LC-13B6US, Руководство по обслуживанию

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15
LC-13B6U-S
LC-15B6U-S
ADJUSTING PROCEDURE OF EACH SECTION
1. Pre-adjustment preparations
Use the specific AC adaptor or a stable DC power supply as power source.
LC-13/15B6U-S
AC adapter: UADP-A044WJPZ
DC power supply: 12 (V), 5.4 (A) or more
1. How to enter the adjustment process mode
The following two methods are available.
»
While holding down the "INPUT" and "VOL (–)" keys on the set, turn ON the power and press the "CH (
Ù
)" and
"VOL (–)" keys at once.
»
Turn ON the power with either of KEY4 (pin (81) of microprocessor) and KEY5 (pin (82) of microprocessor)
staying at "L".
2. Key operation in adjustment process
Ë
Basic operation
»
Select a station with the "CH (
ù
)/(
Ù
)" key.
»
Switch the input with the "INPUT" key.
»
Using the "cursor UP/DOWN" key, select an item to be adjusted. (When the "cursor DOWN" key is pressed with
the cursor placed on the bottom item, the cursor will move to the top item on the next page. When the "cursor
UP" key is pressed with the cursor placed on the top item, the cursor will move to the bottom item on the previous
page.)
»
Adjust the selected item with the "VOL (+)/(–)" key or the cursor "RIGHT/LEFT" key
»
Pressing the "MENU" key will move the cursor to the next item. (When the "MENU" key is pressed with the cursor
placed on the bottom item, the cursor will move to the top item on the next page.)
»
Pressing the "manual memory" key will return the cursor to the top item. (When the "manual memory" key is
pressed with the cursor placed on the top item, the cursor will move to the top item on the previous page.)
»
Pressing the "auto preset" key will move the cursor to the top item on the next page.
Ë
Hierarchical structure
»
When the "ENTER" key is pressed with the cursor placed on an item other than I
2
C DATA on page 9, the setting
page corresponding to the selected item will appear.
»
To exit each setting page, press the "FLASHBACK" key.
Initialization
1. Set both pins (81) and (82) of IC2001 (microprocessor) to GND and turn ON the power
2. Check the model name (A626). *Note: MODEL cannot be changed.
3. Inch size selection
Check INCH SIZE (13/15)
2. Adjustment Procedures
1. AD converter level adjustment
1
D3 input
1) D3 75% color bar signal input
Device name: LEADER LT446
Signal name: COLOR BAR 75%
Setting: 01: 1920 x 1080 / 60i
H: 33.72kHz, V: 29.97Hz
2) Set AUTO GAIN-OFFSET1 on page 7 of the adjustment process menu to ON.
3. Common bias adjustment
1. Receive a B/W broadcast channel.
2. Adjust the "COM BIAS" setting on adjustment process page 2 so that the contrast
goes to maximum (black most accentuated).