LC-37AD1E (serv.man8). adjustment procedures - Sharp TV Service Manual (repair manual). Page 14

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.

1. Preparation

Note that the unit should be replaced when the receiver IC (IC2206), HDCP key ROM (IC2208) or microprocessor
(IC2004) is replaced.
Applicable unit: DKEYHC016FE52

2. Adjusting procedure

Entering the adjustment process mode 

→

 VLS BIAS (15V) voltage adjustment 

→

 GRAY LEVEL (14.5V) voltage

adjustment 

→

 COM BIAS adjustment 

→

 Background adjustment

3. How to enter the adjustment process mode

(1) When the AVC System is not connected

•

Turn OFF the monitor main power.  Turning ON the monitor main power while pressing the "INPUT" key
and "VOL (–)" key on the top face of the monitor main body together will establish the "Monitor Process"
mode.

(2) When the AVC System is connected

•

Turn OFF the monitor main power.  Turning ON the monitor main power while pressing the "CH (

Ù

)" key

and "VOL (+)" key on the top face of the monitor main body together will establish "Monitor Process"
mode.

In each case of (1) and (2), "<K>" is displayed in the upper left portion of the screen.
Then, pressing any key will bring you to the first page of the "Monitor Adjustment" mode.

~

 To exit the adjustment process mode, turn OFF the main power.

4. Adjustment process mode key operation table

Key
Cursor UP

Cursor DOWN

Cursor RIGHT

Cursor LEFT

ENTER

INPUT
CH (

ù

)

CH (

Ù

)

VOL (+)

VOL (–)

Function 1 (when on the left side of a 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 or moving to
another page (in the case of the initial page)
Moving to the left by one item or moving to
another page (in the case of the initial page)
Test pattern off

Moving to the next page
Moving down by one item or moving to the next
page (when at the bottom)
Moving down by one item or moving to the next
page (when at the bottom)
Moving to the right by one item or moving to
another page (in the case of the initial page)
Moving to the left by one item or moving to
another page (in the case of the initial page)

Function 2 (when changing a numeric value)
Incrementing the adjustment value by one or
executing the item (in the case of W or R items)
Decrementing the adjustment value by one or
executing the item (in the case of W or R items)
Moving to the right by one item

Moving to the left by one item

Executing the item (in the case of W or R
items)
Moving to the next page
Incrementing the adjustment value by one or
executing the item (in the case of W or R items)
Decrementing the adjustment value by one or
executing the item (in the case of W or R items)
Moving to the right by one item

Moving to the left by one item