Question about LG Studioworks 77M Monitor

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My screen just go into shtink mode with three lines vertivcal across the screen. The screen then 1/3 of normal size....Divisions look like beams from the inside of monitor...

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  • 1,288 Answers

If your graphics card is working ok, this is almost certainly an internal fault in the monitor. Not sure exactly what the cause is.

Posted on Dec 30, 2010

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Goodluck!

Posted on Jan 02, 2017

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My screen when starting up Modern Warfare 2 and 3 (Not Sure About 1, Dont Have It) All have a black line in the middle, and its split up into two divisions, but not equally, therefore preventing me from...


Sounds like your game is loading in split screen mode, or you system in trying to render the game twice on the same screen, replace game, or get system serviced.

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Error sc 329


This is for a Ricoh copier. You did not indicate machine.

SC 329: Laser Beam Pitch Adjustment Error
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

The LD unit home position sensor does not detect an on condition while changing the LD unit position for correcting the LD position or changing the DPI.


Instructions from the Service Manual below...

.

5.4.3 LASER BEAM PITCH ADJUSTMENT
There are two laser beam pitch adjustment procedures: one for 400 dpi, and one
for 600 dpi. These adjustments use the following SP modes.
· SP2-109-1: Laser Beam Pitch Adjustment - 400 dpi
· SP2-109-2: Laser Beam Pitch Adjustment - 600 dpi
· SP2-109-3: Laser Beam Pitch Initial Setting - 400 dpi
· SP2-109-4: Laser Beam Pitch Initial Setting - 600 dpi
· SP2-902-2, no.12: IPU Test Pattern - Cross Stitch - 400 dpi
· SP2-902-2, no.13: IPU Test Pattern - Cross Stitch - 600 dpi

1. Perform SP2-109-8 (Beam Pitch Data Reset).

2. Input the value for 400 dpi that is printed on the LD unit into SP2-109-1.
Use the value printed after "P" on the new LD unit as shown below.
NOTE: Do not use values printed after a "V".

(These value numbers are on a sticker inside the machine with a UPC code on it. The numbers are just under the UPC barcode. And example number looks like this: "15980300151P: 120, 172", so the example 400 dpi value here is "120".)

3. Press the "Enter" key.

4. Perform SP2-109-3.

5. Print the 400-dpi test pattern onto A3 (11"x17") paper using SP2-902-2 no.12
(cross stitch). (See Service Tables - Test Pattern Printing - Section 4.2.3, pasted below.)

6. Write the value of SP2-109-1 on the test pattern which was input at step 2.

7. Change the value of SP2-109-1 and print another test pattern, repeating steps
2 to 5. Print about 5 patterns with different values for SP2-109-1 (e.g. "48", "96",
"192", "240").

8. Check this test pattern. If the laser beam pitch is not correct, the image looks
like a black vertical stripe pattern.
NOTE: If the laser beam pitch is correct, the vertical stripe is not so noticeable.
If the value is not correct, the vertical stripe pattern is darker.

9. Adjust the laser beam pitch position until the thin lines are of uniform thickness
(no striping effect should appear on the printout), doing steps 2, 3, and 4. (In
step 2, input a value which is estimated to be correct, then do steps 3 and 4,
then if necessary go back to step 2 and try another value.)

10. After adjusting the laser beam pitch for 400 dpi, adjust the laser beam pitch for
600 dpi, using the same procedure as for 400 dpi (use the SP modes for 600
dpi).

.

4.2.3 TEST PATTERN PRINTING (SP2-902)
NOTE: Do not operate the machine until the test pattern is printed out completely.
Otherwise, an SC may occur.

1. Access the SP mode which contains the test pattern you need.

2. Press exit, then touch the "Copy Mode" key on the operation panel to access
the copy mode display.

3. Select the paper size.

4. Press the "Start" key to print the test pattern.

5. After checking the test pattern, exit copy mode by touching the "SP Mode" key.
Reset the test pattern to 0.

6. Exit the SP mode.

.
Test Pattern Table (SP2-902-2: Test Pattern Printing - IPU)
No. Test Pattern
-
0 None
1 Grayscale 1
2 Grayscale 2
3 Grayscale 3
4 Grayscale 4
5 Grayscale 5
6 Vertical Lines (256-greyscale) 13 Cross Stitch (600 dpi)
7 Vertical Lines (1-dot)
8 Vertical Lines (2-dot)
9 Hatch Pattern
10 Cross Pattern
11 Slant Pattern
12 Cross Stitch (400 dpi)
.

Test Pattern Table (SP2-902-3: Test Pattern Printing - Printing)
No. Test Pattern
-
0 None
1 Vertical Line (1-dot)
2 Horizontal Line (1-dot)
3 Vertical Line (2 dot)
4 Horizontal Line (2-dot)
5 Grid Pattern (Single-dot)
6 Grid Pattern (Double-dot)
7 Alternating Dot Pattern
8 Full Dot Pattern
9 Black Band
10 Trimming Area
11 Argyle Pattern
12 16 Grayscales (Horizontal)
13 16 Grayscales (Vertical)
14 16 Grayscales (Vert./Hor.)
15 16 Grayscales (Vert./Hor Overlay)
16 Not used
17 Horizontal Line (1-dot)
18 Grid Pattern (Single-dot)
19 Grid Pattern (Double-dot)
20 Alternating Dot Pattern
21 Blank Page

.

These adjusments listed in the manual require removal of a service panel and mechanical adjustment of the laser mounts, so it should be done by a qualified technician.

However, these test procedures can indicate whether or not this is the problem with your printer.

Sep 05, 2012 | Office Equipment & Supplies

1 Answer

Vizio 42 in TV LCD HDTV white line across to of


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Mar 14, 2010 | Vizio VW42LF 42 in. LCD HDTV

1 Answer

SAmsung has two white lines across screen with no picture


If the 2 white lines are in the centre of the screen it sounds like you have a fault called 'field collapse' . The 'x' or horizontal circuit on the tv deflects the beam across the screen which in your case is ok because the line runs across the screen ok. The 'y' or field circuit on the tv deflects the beam down the screen. Without a circuit diagram for your tv i cannot point to individual components.

Aug 07, 2009 | Samsung Televison & Video

1 Answer

I have a toshiba tv 27 with a line across the middle of the scree


Definitely not. You have the symptom called 'field collapse' . What happens is a beam of excited electrons is traced across the screen and when it reaches the end the beam flys back and traces the next line down. Because you have a line across then the beam is scanning across but the field circuit isnt making the beam move down as it traces across a new line. The fault lies either in your field deflection driver chip or...the power supplying it has disappeared at around 27 volts..or the booster or voltage doubler circuit connected to the chip has goe faulty.. Another fault could be the yoke connection b roken but hardly likely unless youve dropped the tv at some point :)

Aug 03, 2009 | Toshiba Televison & Video

2 Answers

SC 329 code Aficio 550


SC 329: Laser Beam Pitch Adjustment Error
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

The LD unit home position sensor does not detect an on condition while changing the LD unit position for correcting the LD position or changing the DPI.


Instructions from the Service Manual below...

.

5.4.3 LASER BEAM PITCH ADJUSTMENT
There are two laser beam pitch adjustment procedures: one for 400 dpi, and one
for 600 dpi. These adjustments use the following SP modes.
· SP2-109-1: Laser Beam Pitch Adjustment – 400 dpi
· SP2-109-2: Laser Beam Pitch Adjustment – 600 dpi
· SP2-109-3: Laser Beam Pitch Initial Setting – 400 dpi
· SP2-109-4: Laser Beam Pitch Initial Setting – 600 dpi
· SP2-902-2, no.12: IPU Test Pattern – Cross Stitch – 400 dpi
· SP2-902-2, no.13: IPU Test Pattern – Cross Stitch – 600 dpi

1. Perform SP2-109-8 (Beam Pitch Data Reset).

2. Input the value for 400 dpi that is printed on the LD unit into SP2-109-1.
Use the value printed after “P” on the new LD unit as shown below.
NOTE: Do not use values printed after a “V”.

(These value numbers are on a sticker inside the machine with a UPC code on it. The numbers are just under the UPC barcode. And example number looks like this: "15980300151P: 120, 172", so the example 400 dpi value here is "120".)

3. Press the “Enter” key.

4. Perform SP2-109-3.

5. Print the 400-dpi test pattern onto A3 (11”x17”) paper using SP2-902-2 no.12
(cross stitch). (See Service Tables - Test Pattern Printing - Section 4.2.3, pasted below.)

6. Write the value of SP2-109-1 on the test pattern which was input at step 2.

7. Change the value of SP2-109-1 and print another test pattern, repeating steps
2 to 5. Print about 5 patterns with different values for SP2-109-1 (e.g. “48”, “96”,
“192”, “240”).

8. Check this test pattern. If the laser beam pitch is not correct, the image looks
like a black vertical stripe pattern.
NOTE: If the laser beam pitch is correct, the vertical stripe is not so noticeable.
If the value is not correct, the vertical stripe pattern is darker.

9. Adjust the laser beam pitch position until the thin lines are of uniform thickness
(no striping effect should appear on the printout), doing steps 2, 3, and 4. (In
step 2, input a value which is estimated to be correct, then do steps 3 and 4,
then if necessary go back to step 2 and try another value.)

10. After adjusting the laser beam pitch for 400 dpi, adjust the laser beam pitch for
600 dpi, using the same procedure as for 400 dpi (use the SP modes for 600
dpi).

.

4.2.3 TEST PATTERN PRINTING (SP2-902)
NOTE: Do not operate the machine until the test pattern is printed out completely.
Otherwise, an SC may occur.

1. Access the SP mode which contains the test pattern you need.

2. Press exit, then touch the “Copy Mode” key on the operation panel to access
the copy mode display.

3. Select the paper size.

4. Press the “Start” key to print the test pattern.

5. After checking the test pattern, exit copy mode by touching the “SP Mode” key.
Reset the test pattern to 0.

6. Exit the SP mode.

.
Test Pattern Table (SP2-902-2: Test Pattern Printing – IPU)
No. Test Pattern
-
0 None
1 Grayscale 1
2 Grayscale 2
3 Grayscale 3
4 Grayscale 4
5 Grayscale 5
6 Vertical Lines (256-greyscale) 13 Cross Stitch (600 dpi)
7 Vertical Lines (1-dot)
8 Vertical Lines (2-dot)
9 Hatch Pattern
10 Cross Pattern
11 Slant Pattern
12 Cross Stitch (400 dpi)
.

Test Pattern Table (SP2-902-3: Test Pattern Printing – Printing)
No. Test Pattern
-
0 None
1 Vertical Line (1-dot)
2 Horizontal Line (1-dot)
3 Vertical Line (2 dot)
4 Horizontal Line (2-dot)
5 Grid Pattern (Single-dot)
6 Grid Pattern (Double-dot)
7 Alternating Dot Pattern
8 Full Dot Pattern
9 Black Band
10 Trimming Area
11 Argyle Pattern
12 16 Grayscales (Horizontal)
13 16 Grayscales (Vertical)
14 16 Grayscales (Vert./Hor.)
15 16 Grayscales (Vert./Hor Overlay)
16 Not used
17 Horizontal Line (1-dot)
18 Grid Pattern (Single-dot)
19 Grid Pattern (Double-dot)
20 Alternating Dot Pattern
21 Blank Page

.

These adjusments listed in the manual require removal of a service panel and mechanical adjustment of the laser mounts, so it should be done by a qualified technician.

However, these test procedures can indicate whether or not this is the problem with your printer.

Dec 12, 2008 | Xerox WorkCentre 490CX All-In-One InkJet...

1 Answer

Olevia 32 inch. The picture is larger than the screen.


You should have a screen resulation menu and a vertical size (high) control also on the r/c[remote control] menu.
If not you could have a vertivcal (electrical) problem. Let a technician take a peek at it.

Nov 11, 2008 | Olevia LT42HVi 42 in. LCD Television

3 Answers

White lines across TV screeen


if these lines are just at the top of the picture then i would suspect an electrolytic capacitor in the vertical circuit.

May 08, 2008 | Televison & Video

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