Panasonic PT51G44A - 51" PROJECTION TV User manual

ORDER NO. MTC9903012Cl
82
Service Manual
7
Color Video ProjectionSystem
Main Manual
(P3)
Models Chassis
PT-51G44A AP815
PT-51G44CA AP815
PT-51G54A AP815
PT-51G54CA AP815
PT-61G54A BP815
PT-61G54CA BP815
Note: Refer to Technical Guide (P3) for
functional descriptions and Block
Diagrams. (MTC9703689G1).
This Service manual is issued as a service guide for the modelsof the P3family listed above. Included in this manual
are a set of schematic, block diagrams, functional descriptions, alignment procedures,disassemblyprocedures,and a
complete parts list.
"WARNING! ThisServiceManualisdesignedfor experienced repairtechniciansonly and isnotdesignedfor usebythe generalpublic.
It does not contain warnings or cautionsto advise non-technicalindividualsof potentialdangers in attemptingto service a product.
Productspoweredbyelectricity should be servicedor repairedonly byexperienced professionaltechnicians. Any attemptto
serviceor repairthe productor products dealt with inthis Service Manualby anyone elsecould result in serious injury or death."
Panasonic,
Copyright 1999 by MatsushitaElectric Corporationof
America. All rights reserved. Unauthorized copying
and distributionis a violationof law.

Important Safety Notice ................... 2 TintJColorAdjustment .............. 29
Audio Adjustment ................. 30
Safety Precautions ................. 2 MTS Circuit Adjustment
............ 30
...............
ImportantSafetyTest 3
Service Adjustments
Service Notes
........................... 5
(Mechanical Controls) ................ 31
2nd Tuner-VCO Adj .............
2nd Tuner- RF-AGC Adj .........
Receivers FeatureTable .................. 7
Boards Designations 8
FOLDOUTS i
.....................
Location of Controls (Receiver)
......... Receiver Front Control Panel 9
Location of Controls (Remote)
Disassembly for Service
................. 12
Front DecorativePanel Removal ..... 12
Screen FrameAssembly
............ 12
BottomBack Cover
................ 13
CRT Replacement
................. 14
ScreenAssemblies
................ 16
Chassis Service Adjustment Procedures ... 17
Chassis Boards Layout ............. 17
B+ Voltages...................... 18
CRT Set Up ............................ 19
Dynamic FocusAdjustment ......... 19
Focus: ElectricalAdj
................ 19
Focus:Optical Lens Adj
............. 19
Centering Magnets Adj
.............. 20
HorizontalSize Adjustment
.......... 20
Digital Convergence .................... 21
....
Serviceman Mode (Electronic Controls) 26
EnteringServiceman Mode .......... 26
Toggle between Modes
............. 26
Exitingthe Serviceman Mode
........ 26
Purity Check
..................... 27
Service Adjustments
(Electronic Controls)
................. 28
Schematics. Voltages
& Waveforms
a,
A-Board j! 1
Left Portion .............. Sheet-1 A
Right Portion ............ .Sheet .2A
B-Board .................... Sheet-3A
C-Board Sheet-26
I!
....................
.................... D-Board
K-Board
ske+A
-:
....................
LR.Board .................. B
LG-Board .................. B
LBBoard .................. .- 16
R-Board .................... Se&+5A
SBoard ....................-
XBoard .................... -38
Y-Board .................... -38
YC-Board ................. -9reelldS
TBoard ....................
LAYOUTS
e -
A-Board ................... .-
&Board ................... --
C-Board .................... Swa-28
D-Board .......... : ........ -9PeC5A
K-Board ................... zwx+5A
LR-Board .................. -SreeclB
LG.Board ................... SleeC1 B
LB-Board ................... -16
R-Board .................... SreetSA
S-Board
SreeCSA
e-
....................
X- Board .................... -38
yard .................... -3B
YC-Board .................. sheet46
T-Board .................... Sheei4
Sub.Adjustments .................. 28
VCJ Cut-OffAdjustments
........... 28
Sub-BrightnessAdjustment
.......... 28
Sub.Contrast ..................... 28
CRT DC Bias
..................... 29
Red, Green
& Blue Cutoff ........... 29
White BalanceAdj ................. 29

FEATURE TABLE
Table 1 : FeatureTable

Boards Designation

Location of Controls (Receiver)
POWER ( VOLUME, 'l CHANNEL A ACTtON TVNlDEO
e I FC . I I. . I 9- . .. . , ,, . + +
. . I
Figure 5. Locationof Controls Receiver
Quick ReferenceControl Operation
Power Button - Pressto turn OIV or OFF.
Volume Buttons - Press to adjust Sound Level, or to adjust Aud~oMenus, Video
Menus, and select operating features when menus are displayed
Channel Buttons - Press to select programmed channels. Press to highlight desired
features when menus are displayed. Also use to select Cable Converter box channels
@
after programming Remote Control infra-red codes (the TV/AUX/CABLE switch must
be set in CABLE position).
Action Button - Press to display Main Menu and access On Screen feature and
Adjustment Menus.
TVNideo Button - Pressto select TV or one of two Video Inputs,for the Main Picture
or the PIP frame (when PIPframe is displayed).

Locationof Controls(Remote)
11 Pressto turn ON and OFF. 11
A second press resumessound.
Pressalso to access and delete
Closed Captiondisplay.
1) Componentfunction buttons (1
Pressto adjust TV sound level.
Usewith Channel buttonsto
navigate in menus.
Pressto switch to the previous
1 I Componentfunction buttons. / 1
DBSfunction buttons.
Programmablebuttonthat can
operate upto seven (7) functions at
once
11 Pressto select TV or Video input. I
Pressto select channels.
Usewith volume buttonsto
navigate in menus.
II
DBSfunction buttons.
I I
11
Pressto displayTime, status
of SleepTimer. Channel,
Mdeo mode and Channel
Caption (StabnIdentifier).
!I DVD function buttons.
1-
i 1 Press numeric keypadto select any
channel.
I
Figure 6. Location of Controls (Remote)

I
Locationof Controls (Remote)
I I Press to turn ONand OFF. I I
Pressto mute sound.
A second press resumes sound.
Press also to access and delete
I Closed Caption display.
11 Component function buttons )I
Press to adjust TV sound level.
Use with Channel buttons to
navigate in menus.
II
ress to switch to the previous
channel.
11
Programmable button that can
operate up to seven
(7) functions at
once
I( Pressto select TV or Video input. 11
Pressto select channels.
I
Use with volume buttons to
navigate in menus.
Press to display Main Menuand
1
access or exit On Screen features
and Adjustment Menus.
I Component function buttons.
U
Figu Ire
! 7. Location of Controls (Re
--
Pressto display Time, status
of Sleep Timer, Channel,
Video mode and Channel
Caption (Station Identifier).
-- - -1
Press numeric keypad to select any
channel.

Disassembly for Service
Note: Board ground wires may have to be disconnected to disassemblesome boards. All ground wires must be
reconnectedusingjumper leads, if necessary, beforepower is appliedto Receiverfor
service.
Front Decorative Panel Removal
(See Figure 8.)
1. The Front Decorative Panel is secured by velcro
strips. Grip the panel from the sides and pull
forwardto remove.
2. The Front Cover is secured by screws.
VJ lecorative Panel
Figure 8. Panel Removal.
Screen Frame Assembly (See Figure 9)
1. Removethe front decorativepanel. (see Figure8)
2. Remove 4 screws from the bottom edge of the
frame.
3. Unplug the keyboard cable from the bottom of the
screenframe.
4. Grasp the frame on the sides at the bottom. Pull
forward at bottom, push up frame then pull out top
edge.
Screen (See Figure 10)
1. Placeframe face down on soft surface.
2. Remove FrameChannel from top edge.
3. Removescreen brackets.
4. RemoveK-Board.
Screen FrameChann #@
I
\
Pull Forwardand Up
4
f e& (4)Screws
KeyboardCable
I I
Figure 9. Screen FrameAssembly.
a a 4
6 1 1 fS
-
k- -.- 4
Screen Brackets Velcro
Velcro Dot Dot
',
." r
B b
- ..
. --.
-
L I
I
!
- - -
I ,-
-
Rear View ' K-Board '1
b \<
- LenticularScreen
..-~ ~~~-.~.......~-.
FresnelScreen
Figure 10. ScreenAssembly

Disassemblyfor Service (Cont.)
Disassembly of Speaker Units Replacement
1. Remove the front decorative panel located under
control panel. (see Figure 8)
2. Each Left and Right speaker is secured to the
cabinet with (4) screws for each bracket.
3. Disconnect the R
& L speaker lead connectors
from the speaker units.
6
Bottom Back Cover (Figure 11)
\
1. Remove (8) hex screws around its perimeter
(marked with arrows).
2. Remove (3) screws from around the AN terminal
board (marked with arrows).
AN Jacks
Main Chassis Block (Figure 12)
1. Remove Front Decorative Panel and Front Cover.
(Figure 8)
2. Removethe Bottom Back Cover. (Figure 11 )
3. The main chassis Block is secured to the cabinet
by (4) screws (2 at front, behind the decorative
panel, 2 inside on bottom of optical frame).
4. Remove Wires (K1 connector and Speaker
connectors, A8
& A9, on A-Board) and Pull out the
Main Chassis Block.
I
Figure 12. Chassis Removal
Figure 11. Back Covers Removal
Back Cover Asserrrbly (Figure 11)
1. The top back cover is secured with (6) screws
around its perimeter.
2. Lift bottom cover up and pull out at the bottom.
/ 3. Be careful not to damage the mirror attached to the
I
underside of cover.
I Disassemblyfor CRT Replacement
To facilitate CRT replacement, the complete CRT
mounting chassis does not need to be removed.
1. Remove the main chassis block from the cabinet
(Figure 12),
2. Removethe Optical bracket metal cover (rear side)
by removing (6) screws from back, (2) screws from
top, and (2) screws from each side. (Figure 13)
BACK VIEW Optical Bracket
/I
Figure 13.CRT Replacement
-13-

Disassembly for Service (Cont.)
3. Remove the defective CRT anode lead from the
high voltage distributor block that is mounted on X-RAYS SHIELD
A
the Flyback Transformer. Discharge to CRT 10. TO insure X-Rays radiation protection, the lens
chassis. must be mounted in place at all times when power
4. Unplug connectors from the B-Board. (See board is appliedto the receiver.
layout.) B9for Red, 810for Green, or I311 for Blue.
5. Unplug the defective CRT black Dag ground
connectorfrom the CRT Board.
6. Remove the CRT Board from the defective CRT
neck.
7. Remove (2) screws from the defective CRT
housing (Figure 14).**
CAUTION: Do not remove the (4) CRT
lensscrews.
8. Release CRT anode lead from CRT chassis wire
clamp and all other wires from holders.
9. Loosen a screw that secured the DY and remove it
from the CRT neck.
Optical Bracket Cover
-
~i~ure14.CRT Replacement.
CAUTION: Support the CRT Assembly
when looseningscrews.
CRT Replacement
1. RemoveCRT focus lens assembly (4 screws). 5. Wire the anode leadwire.
Figure 16.Wire Guide.
6. Install yoke with other CRT neck assemblies on
CRT neck in the same order and position as
removedfrom the defective CRT.
7. Press yoke against bell of CRT and tighten the
clampjust snug enough so it will not easily shift.
8. Assemble CRT focus lens assembly to new CRT
with (4) screws. Make sure focus lens adjustment
nut is in the same location as on other CRT focus
lens.
Figure 15. CRT Assembly.
2. Lay CRT face down on a soft cloth.
3. Note position of yoke with centering tabs and
removefrom defective CRT.
4. Remove CRT Dag ground from defective CRT.
Mount it on the replacementCRT exactly as it was
on the defective CRT.
Note: Replacement CRT comes with H. V.
anode lead attached.
Figure 17. Order of Screwsduring Assembly.
C
Note: Please assemble with screws in the order
shown and tighten with the same torque.

Optical Block PositionAdjustment
Figure 18. Optical Block Position.
The optical block mounting has holes to allow for the
If the optical block is removed for service or is
different size projection screens. These mounts will replaced, it is important that the correct mountingholes
adjust to 61 inch & 51 inch projectionscreens. are used.

PTV SCREENASSEMBLIES
ProtectiveScreen
Screen Frame
Fresnel Screen
(notecircular r~dges)
LentrcularScreen
REAR (notevertical rldges)
Figure 19. Screen Assemblies.
IMPORTANT:
For PT-61G54A & PT-61G54CA two matching sets of assemblies for the
Fresneland Lenticularscreensare used. The
part numbers ineachset are:
Set 1 : Fresnel - TKG2AH50181
Set 2: Fresnel - TKG2AH50231
Lenticular-TKG2AH50191 Lenticular-TKG2AH50221
The screens are not interchangeable. If replacement is required, be sure
to replace the screen with an equivalent. The screen
part number is
imprintedat the bottom corner.
I

Chassis Boards Layout
i
1
..
T
I
C
Figure 20. Chassis Layout.
!
Board Description Board Description
A Main Chassis - MPU,Audio Amp., Convergence LB Blue CRT Output
Amp.
& Voltage Regulation LG Green CRT Output
B Switching Power Supply, HorizontalDeflection
& LR Red CRT Output
HighVoltage Protector R RemoteControl Board
I
C DigitalConvergence S Second Tuner
D EHT protector,over deflection blanking, Vertical T Line Filter
stop blanking
& Diode Modulationdrive X AN Terminals, VAO
K Customer Control Keyboard Y PIP Processing
i
YC 3-Line DigitalComb Filter

Chassis View
B+ Voltages Table
Preparation:
1. Set the following controls
Picture
.................................. IYormaI.
Bright .................................. Normal.
Volume
................................. Mi. (0).
DigitalConv. Data ................ Default Data.
Procedure:
1. Apply a monoscopepattern.
2. Connect the (-) Lead of the Digital Voltmeter to
TPBGND (ColdGround)on 6-Board.
3. Connect the (+) Lead of the Digital Voltmeter to
Test Point (On 6-Board) and confirm the B+
Voltages (See FollowingTable).
Table
2: B+ Voltages Table

CRT Set Up
.-----------,
Adhesive
CAUTION: Insure yoke plugs on the A-Board
Focus - ElectricalAdjustment
are reconnected before turning the 1. Cover the Red and Blue CRT, projecting Green
Receiver ON to prevent damage to the only. The electrical focus controls are located on
horizontaloutput transistorand/or CRTs. the front. Adjust the Green FocusVR for bestfocus
1. Connecttest generatorto the antenna terminal and of overall picture. (Figure23)
Figure21. Adhesive Removal
set for a monoscopepattern.
2. Loosenyoke clamp, seat yoke against bell of CRT
.
and rotate to correct yoke tilt (compareto adjacent
CRT).Tighten yoke clamp.
3. Remove adhesive from centering tabs and set
centeringtabs for zero correction. (Figure21)
4. Cover replacement CRT lens and static converge
L
the tubes not replaced, if needed. Check size and
linearityof patternand adjust as required.
5. Uncover replacement CRT lens and cover other
two CRT lenses. Adjust electrical and optical focus
(lens),if required.
6. Uncover all CRT lenses and use yoke centering
magnet to converge replacement CRT (in center
area of screen only) with other two CRTs.
Disregard non-convergence in areas other than
center area.
7. PerformWhite Balanceadjustments
-%-r 000
RGB
Dynamic Focus Adjustment
1. Focus adjustments should be performed after 1
hour of aging.
2. Use oscilloscopewith 100: 1 probe.
3. Apply monoscopepattern.
4. Adjust the Red, Blue and Green focus VR on the
focus block for best focus of overall picture of each
CRT. (Figure23)
Figure22. D. FocusAdjustment Waveform
Figure23. Focus Pack
2. Repeatfor Redfocus VR while projectingRedonly.
3. Repeat for Blue. (Best focus at bottom left corner
of screen)
Focus - Optical LensAdjustment
Note: This adjustment normally should not require
resetting unless the lens has been replaced or
adjustmenthas changed.
1. Optical focus adjustment is located on the top of
each CRT lens system. Loosen the adjustment
knurled locking knob. (Figure 24)
Adjustment knurled
REAR VIEW
Figure24. Optical Lens focus Adjustment
2. Turn the Receiver ON. Apply and view a
moonscapepattern.
3. Adjust each lensfocus for best focus while viewing
each CRT.
4. Cover the Red and Blue CRT, projecting green
only. Rotate the Green lens for best focus around
screen center area.
5. Do the same for the Red focus lens while
projectiug Redonly.
6. Repeat for Blue.
5. Connect the scope probe to TPB20, GND to
TPB21. Scope set at 20VIdiv & 5m secldev.
6. Confirmwaveform as shown in Figure22
7. Proceedwith FocusAdjustments.

Centering MagnetsAdjustment
HorizontalPhase Adjustment
1. Normalize Picture Menu video.
2. Set the receiverto ServicemanAdjustment mode.
3. Apply a monoscope pattern.
4. Cover both red and blue lens so that only the green
lens is projectingthe monoscopepattern.
5. Adjust H. Sizeto minimumadjusting DAC V4.
6. Adjust DAC C9 (H. Center) so that the left and right
horizontalcenter line are equal.
7. Use DAC V4 (Horizontal Size) to adjust left and
right area to show 5 lines. (Figure25).
Figure25. Pattern
Procedures
1. Apply a monoscope pattern.
2. Cover the red and blue lens so only the green lens
is projectingthe monoscope pattern.
3. In serviceman adjustment mode select DAC:VO
then press "VOL" left or right key to enter the static
convergence menu. Adjust all horizontal and
vertical RGB data (GV GH, RV, RH, BV, BHto 0).
4. Select DAC V1 and set to 1.
5. Press"0"then "Action" then "5" on remote control.
6. Loosen the deflection coil screw on the Green
C
RT.
7. Adjust the green pattern to be equal on left and
rightwith the grid horizontalcenter line. Also adjust
for horizontaland vertical tilt.
Note: Push deflection coil to top of CRT
neck, then tighten deflection screw after
adjusting each CRT centering and Tilt.
8. Uncover the red lens and project red only. Repeat
steps 5, 6 and 7.
9. Using the red deflection coil, adjust until the red
monoscope pattern center is at the appropriate
distance as indicated on Figure26
PT-51Gxx 28 mm
PT-61Gxx 17mm
10. Transfer the cap from blue to red, so blue and
green are projected.
11. Using the blue deflection coil adjust until the blue
pattern center is at the correct distance right from
the center of the green cross hatch (Figure26)
12. Transfer lens cap to projectgreen.
e
13. Press "TVNideo" on remote control 3 times to
display the "OSD Pos ADJ" mode.
14. Adjust the
"+" positionof OSDto be at the centerof
pattern by pressing "CH" or "VOL" on remote
control.
15. Press"7"then "Action"on remote control.
16. Press "Power" then "Action" on remote control to
exit DigitalConvergenceadjustment mode.
17. Following the adjustment, make sure that all
deflection coils are pushed completely toward the
CRT cones and that all screws are tightened.
HorizontalSize Adjustment
This is the manual adjustment of horizontal size that is
included inthe automatic convergence adjustment.
1. Apply a monoscope pattern.
2. Cover both red and blue lens.
C
3. In serviceman mode, select DAC V1 and press
"Volume" key (convergence adjustment mode
Turns On).
4. Store current convergence data from template P-1
(working)to template P-2 (storage):
a. Pressthe "8" key to enter the copy mode.
b. Select P-1with the direction kevs.
c. Press "Action".
d. Select P-2using the arrow keys.
-
e. Press "Action" 6 store data.
5. To store the data: Press the "7"key then "Action".
6. To exit convergence adjustment mode: Press
"Power"then "Action" .
7. Adjust DAC V4 (H. Size) so that the horizontalsize
is 5 lines at the right side of the screen.
8. Removethe lens caps from the red and blue lens.
9. To restoreoriginal data
a) Enterthe convergence mode again with V1 se-
lectionand Volume up key.
a. Press "8".
b. Select P-2.
c. Press "Action".
d. Select P-1.
e. Press "Action".
f. Press "7" and "Action"to save.
g. Press "Power" and "Action" to exit
convergence adjustment mode.
WARNING: To delete all convergence data
from memory: Press the
"9" key then
"Action". Do
not perform this operation
unless
all dataisneeded to be reentered!
Figure26. H. PhaseAdjustment.
- 20 -

DigitalConvergence
The following is a flowchart outlining the procedures for Digital Convergence. Use these procedures when
I replacingthe following parts:
IC7101 (EEPROM in DigitalConvergence Circuit,
(. C-Board)
-
any CRT
any High Voltage Producing Parts
any Partthat affectsConvergence, when
changed
Exit
DatdCursor-
Enter
(Action)\
R.G.B. --
Selection
Pattern (Rev)
1
NormalIFine--
Store -
COPY I
/'
Initialize (LSI)
- Mode
START
- OSD
ONIOFF Mode. Enter "V"
Options Adjustment
Section.
- Clear Select "VO" and
check Static
Convergence
Align Static Conver-
gence
Select "V1
"
Point Convergence
Note 11
alignment, set all data of Static Convergence
when convergence is completed.
"V1 " PointConvergenceModemustbe active
prior to copying data.
1. Pressthe Copy Key
(8 on the numeric
keypad).
12. Using the ChannelUPIDOWN buttons.
I
select the plane that is to be copied.
Press Enterkey
(ACTION button).
3. Usinathe Channel UPIDOWN buttons.
selezthe destination plane. Press Enter
key
(ACTION button).
I
mplate,the misaligned rasters may be
adjustedto mergewith the good ones.
Note: It may be necessaryto inject a monoscope
pattern into one of the ANT terminals to complete
some of the procedures.
Set TV to view test pattern before proceeding
Press POWER button on remote to cycle through
Adjustment Options.
Select "V" Options.
If necessary,press ChannelUPIDOWN on
remote until
"VO" is displayed.
Press Volume LEFTIRIGHT on remoteto enter
"VO"
Static Convergence Mode.
Static Convergence
1. Usingthe Channel UPIDOWNand Volume
LEFTIRIGHTbuttons,align the Green
Horizontaland Vertical test markswith the
Screen Frame mechanical reference
marks.
2. PressACTION button to cycle through
optionsand exit StaticConvergenceMode.
Press Channel UPIDOWN on remote until "Vl"
is displayed.
Press Volume LEFTIRIGHT on remoteto enter
"V1" Point ConvergenceMode.

DigitalConvergence (cont.)
Convergence Alignment Template (for P3)
Alignment Template
/
The Convergence Alignment Template is a grid
!
approximately the size of the viewing screen used
to ensure the proper size and shape of the
alignment rasters. It is
12 blocks across by 8 blocks
high. The grid dimensions will vary according to the
size of the screen.
Apply a Convergence Alignment Template to
i
the viewing screen of the TV. Make sure the center
lines are properly aligned. If a template is not
available, one can be created by following the
instructions below.
Create a Convergence Alignment Template by
drawing the pattern to the right in the actual
dimensions on transparent film or tracing paper.
Align the Template's tio"zonta1
, . , , , , ,, and Vertical center lines with the
Start with the Horizontal and Vertical Center Axis
A = 85.5 mrn A = 102,8 mm
TV'S Mechanical Test Marks.
and work outwards until the pattern is complete.
B = 111.2 mm
c = 1040 mm
c = 1234 mm
Pay close attention to the actual dimensions of the
D = 740 mm D= 890 mm pattern.
A Convergence AlignmentTemplate, Part No. TQDPAAI9013, isavailable through MatsushitalPanasonic Services
Using the Volume LEFTIRIGHT buttons on
remote, position the Height Rise Pointof the
Adjust the Height screen center line to the middle of the cursor.
RisePoint
.
Press Initialize (LSI) key (0 button on remote) to
exit.
1
Enter
"TEST POS ADJ"
Press Initialize (LSI) key (0button on remote)to
enter "TEST POS ADJ" (Test Pattern Phase
Adjustment).
Press Enter Key (ACTIONbutton on remote).
Adjust the cursor
over thecenter of
a
monoscope pattern
Pressthe Superimpose key (5 on the remote)to
view the injected monoscope pattern.
Using the Position Keys (Channel UPIDOWN
and Volume LEFTIRIGHT), center the cursor
over the center of the monoscope pattern.
Enter
"DATA PHASE ADJ"
Press the Superimpose key (5 on the remote) to
stop displaying the monoscope pattern.
Press Mode key (TVNIDEO button on remote)
to cycle through adjustment modes.
Select "DATA PHASE ADJ" mode

DigitalConvergence (cont.)
GreenRaster
r
1
Exit ____
DataICursor -_
Enter
(Action)\
R.G.B. --
Selection
Pattern (Rev)
1
NormalIFine~
Store -
COPY
/'
Initialize (LSI)
Display Green
Raster Pattern
Using EASY2 straighten lines first. Then
adjust for good linearity. If any unique
Convergenceto correct raster.
Press PatternKeys
(1 or 3 on remote)to cycle
through raster patterns ( White, Green, Red,
Yellow, Blue, and Cyan).
Stop whenthe Greenraster pattern isdisplayed.
- Mode
Grid lines, cursor,and text are green.
Cursor is Blinking.
Position
- OSD
ONIOFF
Clear

Digital Convergence (cont.)
Posltlon 7 A
Buttons 4 @ b U D
v 7
- - - Green Crosshatch patter
Convergence Adj. panel lines
(Adjust points
= 35 points)
I l?'WMl
- -
-
- - -
G-LINE
-
PositionButtons A
t
DATA
- - - Green Crosshatch patter
40,
w
.
- Convergence Adj.panel lines
(Adj. points
= All cross points)
PositionButtons A
rob UOD
V v
Point Convergence
1. Use Mode Key (TVNIDEObutton on
remote)to cycle through adjustment
modes: O-LINE,
, O-EASY2,O-PERI-,
O-POINT.
2. Usethe Position Keys (Channel UPIDOWN
and Volume LEFTIRIGHT) to move the
cursor to the desired area.
3. Push DatdCursor Key (Mute button) to
select Data Mode. The cursor will stop
flashing. This indicates that the system is
ready to adjust.
4. Use Position Keys to adjust the selected
area.
5. Push DatdCursor key to select Cursor
Mode. Repeat steps
2 through 5 as needed
to ensure good shape and linearity.
6. Use any combination of adjustment modes
to complete convergence.
7. StoreDataoften, using the Store Key (7 on
remote) and Enter Key (ACTIONbutton).
Align Raster using
O-EASY2
Ll = R (RED), G (GREEN),or B (BLUE).
Align Raster using
0-POINT
41 DataICursor
Initialize (LSI)
---- Green Crosshatch patter
Convergence Adj. panel lines
(Adj. points
= All cross points)