DOWNLOAD Sharp LC-32GA3E (serv.man7) Service Manual ↓ Size: 510.05 KB | Pages: 17 in PDF or view online for FREE

Model
LC-32GA3E (serv.man7)
Pages
17
Size
510.05 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Adjustment Procedure
File
lc-32ga3e-sm7.pdf
Date

Sharp LC-32GA3E (serv.man7) Service Manual ▷ View online

27
LC-32GA3E
LC-37GA3E
Adjustment item
Adjustment conditions
Adjustment procedure
1
Adjustment
[Input signal]
COMP15k 60Hz  full-
field colour bar signal
[Input terminal]
INPUT3 component
input terminal
2
Auto adjustment Page 7/16
performance
Supply component 15k full-field colour bar (color saturation 100%) signal
to the component input terminal of INPUT3.
Bring the cursor on [
Ë
COMP 15k ALL ADJ] and press [OK].
[
Ë
COMP 15k ALL ADJ FINISH] appears when finished.
(4) Component 15K signal adjustment
100% white
Adjustment item
Adjustment conditions
Adjustment procedure
1
Adjustment
[Input signal]
Composite full-field
colour bar signal
[Input terminal]
INPUT3/4 video input
terminal
2
Auto adjustment Page 5/16
performance
Supply full-field_colour_bar (color saturation 75%) signal to the video input
of INPUT4.
Bring the cursor on [
Ë
PAL 2D MAIN ADJ] and press [OK].
[
Ë
PAL 2D MAIN ADJ FINISH] appears when finished.
(4) PAL 2DYC adjustment
100% white
Adjustment item
Adjustment conditions
Adjustment procedure
1
Adjustment
DVI-I (analog)
2
Auto adjustment Page 9/16
performance
Supply XGA (1024x768_60Hz) window pattern signal to the DVI-I (analog)
input.
Bring the cursor on [
Ë
DVI ANALOG ADJ] and press [OK].
[
Ë
DVI ANALOG ADJ FINISH] appears when finished.
(6) DVI-I (analog) signal adjustment
100% White
0% Black
1/4
1/4
1/2
1/4
1/4
1/2
28
LC-32GA3E
LC-37GA3E
Adjustment item
Adjustment conditions
Adjustment procedure
1
Adjustment
DVI-I (digital)
2
Auto adjustment Page 10/16
performance
Supply XGA (1024x768_60Hz) window pattern signal to the DVI-I (analog)
input.
Bring the cursor on [
Ë
DVI DIGITAL ADJ] and press [OK].
[
Ë
DVI DIGITAL ADJ FINISH] appears when finished.
(7) DVI-I (digital) signal adjustment
100% White
0% Black
1/4
1/4
1/2
1/4
1/4
1/2
8. Adjustment of white balance
Start up the set and adjust the white balance.
1. Place the set under the following conditions.
AV Mode: [DYNAMIC]
Monochrome: [ON]  Black: [OFF]
Feed the component 15k (60Hz) adjustment signal via INPUT3 to display the adjustment screen (High: 70%,
Low: 30%).
2. Execute the automatic adjustment.
1) In order for the 70% pattern to become the reference value (page 11/16), adjust the "MONITOR_R_
GAMMA_HI ", "MONITOR_G_GAMMA_HI" and "MONITOR_B_GAMMA_HI" settings.
2) In order for the 30% pattern to become the reference value (page 11/16), adjust the "MONITOR_R_
GAMMA_LO ", "MONITOR_G_GAMMA_LO" and "MONITOR_B_GAMMA_LO" settings.
Reference value: [Minolta CA-210]
(525i)
Make adjustments so that x=0.272 and y=0.275. (70% gray scale)
Make adjustments so that x=0.272 and y=0.275. (30% gray scale)
29
LC-32GA3E
LC-37GA3E
9. Initialization to factory settings
Caution: When initialization is performed, all user setting data including the channel settings are
initialized.  Be cautious when making this adjustment.
(The adjustments done in the adjustment process mode are not initialized.)
Adjustment item
Adjustment conditions
Adjustment procedure
1
Initialization
It turns off with AC pow-
er supply.
Enter the adjustment process mode.
Bring the cursor on to [INDUSTRY INIT] in page 2/16.
Select [ON] using the VOLUME [+/-] key and press the [OK] key.
Initialization is executed. When the unit automatically exits from the
process adjustment mode and the display appears on the TV, initialization
is complete.
* Never shut off the power during the initialization process.
The following settings are initialized in this adjustment.
1. User setting
2. Channel data (e.g. broadcast frequencies)
3. Operation time
4. Maker's optional setting
5. Password data
After the adjustment, cancel the adjustment process mode.
To exit the adjustment process mode, unplug the AC power cable from the outlet to make a forced
shutdown.  (When the power was turned off with the remote controller, once unplug the power cable
and plug it again.  In this case, wait 10 seconds or so before plugging.)
30
LC-32GA3E
LC-37GA3E
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 mark of the
   R/C (caution required)
CH (
ù
)
CH (
Ù
)
VOL (+)
VOL (–)
10. Display adjustment procedure
1. Adjustment procedure
Enter the display process mode and then adjust COM BIAS.
2. Entering and exiting the adjustment process mode
(1) Before entering the adjustment process mode, press the "RESET" button or execute the AV position
RESET in the menu video adjustment.
(2) Pull out the AC cord to turn off the TV.
(3) While holding down the "VOL (+)" and "CH (
Ù
)" keys at a time, press the "POWER" key of the main
unit to turn on the power.
The letter " <K> " appears on the screen.
(4) Press the VOL "+/-" key or CH " 
ù
/
Ù
" key on the remote control.
Multiple lines of red characters appearing on the display indicate that the unit is now in the adjustment
process mode.
When you fail to enter the adjustment process mode (the display is the same as normal startup), retry
the procedure.
(5) To exit the adjustment process mode after the adjustment is done, unplug the AC cord from the outlet to
make a forced shutdown.  (When the power was turned off with the remote controller, once unplug the
AC cord and plug it again.  In this case, wait 10 seconds or so before plugging.)
3. Adjustment process mode key operation table
Caution: Use due care in handling the information described here lest your users should know
how to enter the adjustment process mode.  If the settings are tampered in this mode,
unrecoverable system damage may result.
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 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)
Incrementing the adjustment value by one or
executing the item (in the case of W or R item)
Decrementing the adjustment value by one or
executing the item (in the case of W or R item)
Moving to the right by one item
Moving to the left by one item
Executing the item (in the case of W or R item)
Moving to the next page
Incrementing the adjustment value by one or
executing the item (in the case of W or R item)
Decrementing the adjustment value by one or
executing the item (in the case of W or R item)
Moving to the right by one item
Moving to the left by one item
Page of 17
Display

Click on the first or last page to see other LC-32GA3E (serv.man7) service manuals if exist.