[TechAssist] Re: Crosley proj (philips) 54CP40W101,Ch. PTV780AH01 convergence menu
- From: Ed Gaidies <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 26 Mar 2005 16:38:59 -0500
Probably using Win95 or 98....(rib-rib)
-Ed-
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx
> From: LeRoy Westlund <llw@xxxxxxxxxx>
> Reply-To: <techassist@xxxxxxxxxxxxx>
> Date: Sat, 26 Mar 2005 10:37:05 -0700
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Crosley proj (philips) 54CP40W101,Ch. PTV780AH01
> convergence menu
>
> Hey Jim.
> What's with all the "20"s in your reply ?
> I see this often. You would think with all that puter power,....your reply
> would be "perfect". (rib-rib).
> ;-)
>
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main " I forgot,..to remember,..
> Centerfield, UT 84622-0087 to forget "
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: Jim Myers <jr.myers@xxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Friday, March 25, 2005 1:49 PM
> Subject: [TechAssist] Re: Crosley proj (philips) 54CP40W101,Ch. PTV780AH01
> convergence menu
>
>
>> 0-6-2-5-9-7-menu
>>
>> CENTERING, GEOMETRY, AND CONVERGENCE ADJUSTMENTS
>>
>>
>>
>> Important: Unlike many previous PTV systems, the 770-790 series PTV=20
>> incorporates a Digital Convergence Panel. This panel does not contain=20
>> the familiar three rows of adjustment potentiometers as employed in past =
>>
>> PTV systems. Instead, geometry and screen convergence settings are=20
>> contained within EEPROM located on the Digital Convergence Panel. These=20
>> settings may be easily modified through the following procedures.
>>
>> Notes on Digital Convergence
>> Convergence Service Mode Procedures
>>
>> Convergence Touch Up Procedure
>> Convergence Center Frequency Adjustment
>> Major Convergence
>> CRT Screen Center
>> Green Geometry Adjustment
>> Red_and_Blue Convergence
>>
>>
>> Notes on Digital Convergence
>>
>> 1. When aligning the digital convergence, the adjustments are very=20
>> interactive in that a change in one quadrant will potentially affect=20
>> other areas of the screen, thus requiring several alignment passes=20
>> through the convergence sequences.
>> 2. A convergence panel severely out of convergence will not necessarily=20
>> have perfect icon shapes. It is not uncommon to see bent or twisted icons=
>> =2E
>> 3. In some instances to initiate icon movement with one of the arrow=20
>> functions on the remote control transmitter, it may be necessary to hold =
>>
>> the desired button for several moments to see movement. This is normal.=20
>> If movement doesn't occur, continue the alignment sequence in other=20
>> areas of the screen (use icon positioning keys 2, 4, 6, 8) then return=20
>> to the problem area of the screen. It may be necessary to save present=20
>> settings then exit to the convergence menu, then return to the problem=20
>> area of the screen.
>>
>> 4. Remember the adjustment points are highly interactive with each=20
>> other. A change in one quadrant of the screen could affect other areas.
>> 5. When converging, be sure to be at eye level with the area of the=20
>> screen being adjusted.
>> 6. When converging a PTV, it is not required to follow the pre-defined=20
>> sequence of adjustment points. When converging or adjusting the green=20
>> geometry of a set that is severely out of convergence, begin at the=20
>> outer regions (edges) of the set, working in a circular pattern toward=20
>> the middle. Only move the icon a short distance toward the target point, =
>>
>> then continue circling the outer perimeter, moving each sector slightly.
>>
>>
>>
>> Digital Convergence Alignment of the chassis consists of any one or a=20
>> combination of the procedures described below.
>>
>> A. The first procedure, "Convergence Touch Up ," allows for minor=20
>> convergence adjustment of any color. With "Convergence Touch Up" it is=20
>> assumed that one or two of the colors are geometrically correct and used =
>>
>> as reference for the color(s) requiring alignment. This alignment is=20
>> required for minor convergence adjustments, single yoke or CRT=20
>> replacements, and any physical alteration of a single Lens/CRT Assembly.
>> B. The second procedure, "Mechanical Alignment ," is required with Major =
>>
>> Convergence and Geometry Alignments , Yoke replacement, Convergence=20
>> Module replacement, and the replacement of a CRT or physical alteration=20
>> of the Lens/CRT Assembly.
>>
>> C. The third procedure, "Major Convergence / Geometry Alignment ," is=20
>> required when a Convergence Module or all three CRTs are replaced. This=20
>> procedure is also required if the Green Geometry requires adjustment.
>>
>> Note: If the Screen Geometry of the Red or Blue gun is correct, use the=20
>> "Convergence Touch Up " procedure to converge the green using the Red or =
>>
>> Blue as a reference.
>>
>> Note: The set should be warmed up for at least 20 minutes prior to=20
>> making any Convergence or Geometry adjustments.
>>
>>
>>
>> CONVERGENCE SERVICE MODE PROCEDURES
>>
>> Note: This procedure is required for all of the following geometry and=20
>> convergence adjustments. Using the remote control transmitter, enter=20
>> the following seven-button sequence to activate the convergence mode.
>>
>>
>> 0-6-2-5-9-7-Menu
>>
>> The "Opening Menu" will appear offering choices:
>>
>>
>>
>> Channel 3
>> Use Channel 5, u to
>> Select a Channel with Video
>>
>>
>>
>> Remote control key functions:
>> 5, 6, 3, 8: Adjust Convergence
>> M: Advance "cross" location
>> Up, Down, Left, Right
>> 3: Exit Convergence
>> Status: Abort/Cancel Changes
>> M: Begin Convergence
>>
>> Note: Video information must be present to correctly adjust the=20
>> convergence. A signal source is required to lock the vertical and=20
>> horizontal sync. After entering the "convergence service mode," verify=20
>> the presence of a video source by confirming the presence of active=20
>> audio (use the volume up function on the remote control transmitter).=20
>> Use the channel up and down function on the remote control transmitter=20
>> to select the desired tuning source.
>>
>> Select item "M" from the first menu, then the "Convergence Menu" will=20
>> appear featuring 5 possible selections.
>>
>>
>> Channel 3
>> Convergence:
>>
>>
>> 1. Green geometry
>> 2. Red to green convergence
>> 3. Blue to green convergence
>> 4. Green to red convergence
>> 5. Green to blue convergence
>>
>> Status: Abort/Cancel Changes
>>
>>
>>
>> Convergence Touch Up Procedure
>>
>>
>> 1. Enter the "convergence service mode" as described above in the=20
>> "Convergence Service Mode Procedure."
>> 2. Select the desired color requiring adjustment.
>>
>> Note: Do not select Green Geometry (1). This procedure is described=20
>> under "Major Convergence / Geometry Alignment." If Green Geometry is=20
>> altered during this procedure, a "Major Convergence / Geometry=20
>> Alignment" may be required.
>>
>> 3. Cover the output lens of the single color presently not being=20
>> adjusted. Example: If you select Green to Red Convergence (4), cover the =
>>
>> Blue Output Lens.
>> 4. The highlighted adjustment icon (cross) should be illuminated on the=20
>> middle left side of the screen. Make the necessary convergence=20
>> adjustments using the following remote keys
>> =B7 Use the Arrow Up Key (5) to adjust the selected color up.
>> =B7 Use the Arrow Down Key (6) to adjust the selected color down.
>>
>> =B7 Use the Arrow Right Key (-) to adjust the selected color to the right=
>> =2E
>> =B7 Use the Arrow Left Key (+) to adjust the selected color to the left.
>> 5. Move to the next location to be converged. It is not required that=20
>> the full Convergence Sequence be followed while performing the=20
>> "Convergence Touch Up Alignment Procedure." The following alternate=20
>> remote keys allow for positioning of the icon to the desired adjustment=20
>> location:
>> =B7 Key 2 on the remote control transmitter will position the Adjustment =
>>
>> Icon upward on the screen.
>>
>> =B7 Key 8 on the remote control transmitter will position the Adjustment =
>>
>> Icon downward on the screen.
>> =B7 Key 4 on the remote control transmitter will move the Adjustment Icon=
>> =20
>> to the left.
>> =B7 Key 6 on the remote control transmitter will move the Adjustment Icon=
>> =20
>> to the right.
>> 6. Return to the "Convergence Service Menu" by selecting key 3 on the=20
>> remote control transmitter or by sequencing the icon to the last=20
>> adjustment point at the lower right corner of the screen and pushing the =
>>
>> Menu (M) Key on the remote control transmitter.
>>
>> 7. Repeat steps 1 through 6 for other required Convergence Alignments.
>> 8. To save the adjustment completed in the last procedure, Exit/Save the =
>>
>> convergence service mode by selecting key 1 on the remote control=20
>> transmitter. This writes the corrections to the EEPROM on the=20
>> Convergence Module.
>>
>> Note: To save the convergence corrections made above the convergence=20
>> menu must be exited by selecting Exit/Save Data (1).
>>
>> Convergence Center Frequency Adjustment
>>
>> Note: This adjustment should not be done unless a component on the PLL=20
>> circuit has been replaced.
>>
>> 1. Connect a voltmeter from TP3 on the convergence board to cold ground=20
>> (use top shield).
>> 2. Adjust L3 to obtain 1.5Vdc.
>>
>>
>>
>> MAJOR CONVERGENCE/GEOMETRY ALIGNMENT PROCEDURES
>> Major Convergence/Geometry Alignment Procedures are required when=20
>> replacing the Digital Convergence Module or when all three CRTs require=20
>> replacement.
>>
>> Note: The following procedure must be followed in the sequence shown to=20
>> ensure satisfactory results. Use the following order to converge a set=20
>> requiring "Major Convergence/Geometry Alignment."
>>
>> 1. Perform the CRT Centering Adjustment using the centering tabs around=20
>> the yoke.
>> 2. Align the convergence by first setting the Green Geometry using the=20
>> "Convergence Template" and follow up with the Red and Blue Convergence=20
>> Alignment.
>>
>>
>>
>> The part number for ordering the Screen Template Kit is: ST4130. This=20
>> kit contains all the templates for all screen sizes required for the=20
>> PTV770 through PTV790 series. For individual screen templates, add the=20
>> screen size to the kit number. Example: ST4130-46 is the individual part =
>>
>> number for the 46" Screen Template.
>>
>> CRT Screen Centering (Mechanical)
>>
>> 1. Locate the screen center by placing strings diagonally across the=20
>> viewing area of the screen from corner to corner. The Screen Template,=20
>> if centered correctly on the screen, can also provide the center point=20
>> location.
>> 2. Enter the "Service Setup Mode" (0-6-2-5-9-6-Menu-Menu) and confirm=20
>> approximate register values of the following registers.
>>
>> Note: Confirming the following register values is not required if the=20
>> Small Signal or Large Signal Boards have not been replaced or altered.
>>
>>
>> Function Register Value
>>
>>
>> Picture Height 37 15
>> V Linearity 38 0F
>> V S Correction 39 0E
>> Vertical Shift 40 00
>> V Comp 41 00
>> Picture Width 42 28
>> East/West Parabola 43 10
>> East/West Corner 44 00
>> Trapezium 45 39
>> Horiz. Comp 46 00
>> V SS Corr. 47 00
>> Horiz. Phase 48 11
>>
>>
>> 3. Connect a signal source (pattern generator) to the antenna input=20
>> terminal. A signal source must be present while following these procedure=
>> s.
>> 4. Enter the convergence service mode as described above in the=20
>> convergence service mode Procedure.
>> 5. Place a jumper wire from pins 1 to 2 of Test Point 4 (TP4) on the=20
>> Convergence Panel.
>> 6. Select "1" (Green Geometry) from the Convergence Service Mode Menu.=20
>> Cover the Red and Blue output lens using a 7" x 7" piece of cardboard.
>>
>> 7. The highlighted icon (cross) maybe visible on the left side of the=20
>> screen about halfway up. Position the icon at the screen's approximate=20
>> center by pressing M on the remote control transmitter three times.
>> 8. Using the centering tabs of the yoke, position the highlighted Green=20
>> icon at the screen's center as defined by the diagonal strings=20
>> positioned across the viewing area of the screen, or by using the center =
>>
>> point on the screen template.
>>
>> Note: In some cases there may be insufficient range with the centering=20
>> tabs to position the Green icon at the screen's center. In this case=20
>> position the icon as close as possible to the screen's center.
>>
>> 9. Confirm centering by viewing the screen from the front of the unit.
>> 10. Return to the Convergence Service Mode Menu by selecting "3" on the=20
>> remote control transmitter. Select "2" to activate "Red to Green=20
>> Convergence." Cover the Green and Blue output lenses with a 7" x 7"=20
>> piece of cardboard. Repeat steps 7 through 9 using the Red yoke=20
>> centering tabs.
>> 11. Return to the Convergence Service Mode Menu by selecting "3" on the=20
>> remote control transmitter. Select "2" to repeat convergence. Select "3" =
>>
>> to activate "Blue to Green Convergence". Cover the Red and Green output=20
>> lenses with a 7" x 7" piece of cardboard. Repeat steps 7 through 9 using =
>>
>> the Blue yoke centering tabs.
>>
>> 12. Exit the convergence service mode by selecting the Status/Exit=20
>> function on the remote control transmitter. Remove the 7" x 7" pieces of =
>>
>> cardboard from the output lenses. CRT centering is complete.
>>
>> 13. Remove the jumper from TP4 on the Digital Convergence Module.
>>
>>
>> Green Geometry Adjustment
>>
>> The Green Geometry must be accurately adjusted to achieve proper=20
>> convergence and screen geometry. The Red and Blue displays will=20
>> individually be made to conform to the Green.
>>
>> 1. Confirm CRT Centering as described above.
>> 2. Remove the protective screen enhancement filter (if present) to make=20
>> the following adjustments.
>> 3. Attach the "Screen Template" to the screen using low tack tape.
>> 4. Enter the convergence service mode (0-6-2-5-9-7-Menu) with the=20
>> remote control transmitter.
>>
>> Note: Video information must be present to correctly adjust the=20
>> convergence. This can be checked by the presence of audio on the channel =
>>
>> selected. Select M to begin the convergence adjustments.
>>
>> 5. Select "1" (Green Geometry). The Green icon should be positioned near =
>>
>> the left edge of the screen and on the middle row of the template. If=20
>> not visible, hold the right arrow key of the remote control transmitter=20
>> until the icon is visible on the screen. Use the M key to position the=20
>> icon on the next horizontal point in the convergence sequence. Move the=20
>> Green icon using the remote control transmitter arrow buttons only=20
>> halfway toward the next template point. Continue through the Green=20
>> Geometry Sequence, moving the Green icons only halfway toward the target =
>>
>> point on the template. Upon reaching the "End Here" point on the=20
>> template, press M to recalculate.
>>
>> 6. Select Repeat Convergence by selecting "2" on the remote control=20
>> transmitter. Select Green Geometry ("1") on the remote control=20
>> transmitter. Follow the Green Geometry Sequence through a second pass,=20
>> this time accurately aligning the Green icon to the alignment points on=20
>> the template. Repeat the Green Geometry Sequence as required. When=20
>> completed, Exit/Save the changes by selecting "1" from the Convergence Me=
>> nu.
>> 7. Confirm the accuracy of the Green Geometry.
>>
>> Red and Blue Convergence Adjustment
>>
>> 1. Remove the Screen Template.
>> 2. Enter the convergence service mode (0-6-2-5-9-7-Menu) with the remote =
>>
>> control transmitter.
>>
>> Note: Video information must be present to correctly adjust the=20
>> convergence. This can be checked by the presence of audio on the channel =
>>
>> selected. Select M to begin the convergence adjustments.
>>
>> 3. Enter "Red to Green Convergence" by selecting "2" on the Selection=20
>> Page with the remote control transmitter.
>> 4. Cover the Blue Output Lens with a 7" x 7" piece of cardboard.
>> 5. The Red icon should be positioned near the left side of the screen=20
>> and on the middle row of convergence points. If the Red icon is not=20
>> visible hold the right arrow key of the remote control transmitter until =
>>
>> the icon is visible on the screen. Use the M key to position the icon on =
>>
>> the screen at the next point in the convergence sequence. Use the arrow=20
>> keys to position the Red icon approximately halfway toward the Green=20
>> icon. Continue through the Red to Green convergence sequence by moving=20
>> the Red icons only halfway toward the green icons. Upon reaching the=20
>> last position at the lower right of the screen, select M to recalculate.
>>
>> 6. Select "Repeat Convergence" ("2") on the remote control transmitter.=20
>> Select "Red to Green Convergence" ("2") on the remote control=20
>> transmitter. Follow the Red to Green Convergence Sequence through a=20
>> second pass, this time accurately aligning the Red icon to the Green.=20
>> Repeat Red to Green Convergence Sequence as required to accurately align =
>>
>> the Red to Green Convergence. When completed Exit/Save the changes by=20
>> selecting 1 from the Convergence Menu.
>> 7. Enter the convergence service mode (0-6-2-5-9-7-Menu) with the=20
>> remote control transmitter.
>>
>> Note: Video information must be present to correctly adjust the=20
>> convergence. This can be checked by the presence of audio on the channel =
>>
>> selected. Select M to begin the convergence adjustments.
>>
>> 8. Enter "Blue to Green Convergence" ("3") on the Selection Page with=20
>> the remote control transmitter.
>> 9. Remove the 7" x 7" piece of cardboard from the Blue Output Lens and=20
>> cover the Red Lens.
>> 10. Repeat the procedure shown in steps 5 and 6 above by adjusting the=20
>> Blue icons to the Green.
>> 11. When convergence alignment is complete, save the data by selecting=20
>> "1" from the Convergence Service Menu.
>>
>> 12. Remove the 7" x 7" piece of cardboard from the Blue Output Lens.
>>
>> Refine the complete Convergence performance as described in the=20
>> "Convergence Touch Up Procedure ."
>>
>>
>>
>>
>> ********************************
>> Since 1972 *
>> Jim Myers *
>> Telrad Electronics *
>> Fort Wayne Indiana *
>> ********************************
>>
>>
>> BOSS1996@xxxxxxx wrote:
>>> Guys, can anyone tell me how to get into the conv. menu so I can touch =
>> up =20
>>> the convergence on this set?
>>> Thanks in advance,
>>> =20
>>> =20
>>> =20
>>> Robert Cardoza
>>> Picture Perfect Elec.
>>> 9940 NW 6th Ct
>>> Pembroke Pines, Fla, 33024
>>> 954-435-5868
>>> =20
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