Adjusting Procedure Of Each Section - Sharp LC-15L1E Service Manual

ADJUSTING PROCEDURE OF EACH SECTION

The best adjustment is made before shipping. If any position deviation is found or after part replace is performed,
adjust as follows.
Preparations for adjustment
Use dedicated AC adapter or stable DC power.
Adjust TV main unit and wireless center as a pair.
Wireless center
AC adapter : UADP-A040WJPZ
DC power : 12V, 1.5A
TV Main unit
AC adapter : UADP-A039WJPZ
DC power : 15V, 4.0A
1. Adjustment procedure
Power ON → Adjustment process mode → COM BIAS and white balance adjustment
Perform adjustment after reducing radio interference by switching RF channels A, B, C and D of SS wireless unit.
2. How to enter process adjustment mode (Main unit only)
Use either one of the following procedures.
• Turn on the power with either KEY4 (pin (81) of microprocessor) or KEY5 (pin (82) of microprocessor) connected
to "GND".
• Turn on the power switch while holding down the "TV/VIDEO" key and the "MENU" key simultaneously. ("K"
appears on top left of the screen, indicating the entry into the inspection process mode.) Then hold down the
"CH (Ù)" key and the "Volume (–)" key simultaneously. (Thus the adjustment process mode screen appears.)
To exit, shut off the power. (You may either turn off the power switch or shut off the power using remote controller.)
3. Key operation in adjustment process mode
Receiving channel selection
• Use the "CH (ù)/(Ù)" keys to select receiving channel (actual channel).
Single pressing ... Moves the channel UP/DOWN one by one.
Holding down ... Performs the UP/DOWN search for next receiving channel.
• Various adjustments
Perform adjustment item by item using the "MENU" key, "Cursor UP/DOWN" keys, "CH (ù)/(Ù)" keys and
"Volume (+)/(–)" keys (on main unit and remote controller).
• Select adjustment item using the "Cursor UP/DOWN" keys.
• You can move to the next adjustment item by "MENU" key input.
When bottom item is selected, the "MENU" key input will move the selection to top item of the next page.
• Auto preset key input will move the selection to top item of the next page regardless of the current selection.
Page 1 → Page 2 → ... → Page 84 → Page 1
• Manual memory key input will move the selection to top item of the same page regardless of the current selection.
• Use the "Volume (+)/(–)" keys to increase or decrease the value of the selected adjustment item.
• Direct jump to item
You can jump the cursor directly to the desired item in the adjustment process. Using "GREEN" key on the remote
controller, go to the 3-digit number entry mode. Enter the numbers using "Channel Select" key on the remote
controller.
~ ~ ~
Specify the item number on the page.
Specify the page number.
(For example, enter 237 if you wish to bring the cursor to the 7th item on page 23.)
4. Initialization
4-1. Connect both pin (81) and pin (82) of IC2001 (microprocessor) to GND. Turn on the power.
4-2. Select MODEL (A662&663). *Note: You have no option for MODEL.
4-3. Select INCH SIZE (15). *Note: You cannot change INCH SIZE.
15
LC-15L1E