Panasonic P7W Service Manual Download Page 14

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Service Manual

21. Adjust “R-STATIC” so that the center of red

overlaps with the center of green.

Figure 49. STATIC mode adjustment

22. Enter to SKEW “R-SKEW” mode by pressing TV/

VIDEO

23. Adjust “R-SKEW” so that the vertical and horizontal

line of center overlaps with green (see figure 50)

24. Press “7” then “ACTION” key on remote to save

changes.

Figure 50. SKEW adjustment

Note:

Remember always save data following each
adjustment by pressing “7” key on remote, then
ACTION.

25. Enter

to

LINEARITY

“R-LINEAR”

mode

by

pressing TV/VIDEO.

26. Adjust Horizontal linearity (see figure 45)
27. Enter to SIZE “R-SIZE” mode by pressing TV/

VIDEO

28. Adjust so that the line on the border closes to the

screen frame at top, bottom, left and right (see
figure 44)

29. Enter to PIN “R-PIN” mode by pressing TV/VIDEO
30. Adjust horizontally and vertically (see figure 46)
31. Enter to CORNER “R-CORNER” mode by pressing

TV/VIDEO.

32. Adjust corners (see figure 47)
33. Enter to KEY “R-KEY” mode by pressing TV/

VIDEO

34. Adjust KEY (see figure 48)
35. Display pattern of border and cross, then check

that red overlaps green pattern, if it is not
satisfactory, repeat from step 19.

36. Enter to STATIC “B-STATIC” mode.
37. Press “1 or 3” key repeatedly on remote until only

green and blue pattern are displayed

38. Adjust B-STATIC so that the center of blue

overlaps with the center of green (see figure 51).

Figure 51. B-STATIC adjustment

39. Perform all adjustments for blue (B-SKEW, B-

LINEAR, B-SIZE, B-PIN, B-CORNER, B-KEY)

40. Display border and cross pattern and confirm that

blue overlaps with green pattern, if it is not
satisfactory, repeat for blue.

41. Press “1 or 3” key repeatedly on remote until

green, red and blue (white), confirm that red and
blue overlaps with green pattern.

42. Press “7” key on remote, then ACTION to save

changes.

43. Press POWER then ACTION to exit adjustments or

press TV/VIDEO for at least 3 seconds to change
to Fine Adjustment Mode.

Fine adjustment mode (FINE)
(convergence)

Remote functions:

1, 3. . . . . . . . . . . . change color view adj

2. . . . . . . . . . . . . . . . . . . change pattern

7. . . . . . . . . . . . . . . . . . . . . . . .save data

5. . . . . . . . . . . . . . . . . . . . . . . . . overlap

POWER . . . . . . . . . . . . . . . . . . . . .to exit

RECALL. . . . . . . . . . . . . . display values

R-TUNE . . . . . . . . . . . . . . . . cycle colors

TV/VIDEO . . . . . . . . . . . . change mode

3 secs . . . . . . . . change options

MUTE (“fine”) . . . . . .cursor & data mode

About pattern:

NTSC to adjust 480ip (same for interlace and

progressive)

1080i to adjust 1080i

480i with ptv in zoom aspect to adjust

Z480i

red

green

blue

green

Note:

It is strongly recommended to first read and
understand the following section prior to
make any adjustment.
Convergence adjustment must be perform
for 480i-p (same for interlace & progressive),
1080i and ZOOM 480i.

The easiest way to adjust convergence is to begin
from the center of the screen, to the border in all the
convergence adjustments.

Helpful hint:

Summary of Contents for P7W

Page 1: ...vice Manual TOP NEXT ORDER NO MTNC010522A1 B2 HDTV MONITOR l PT 47WX49E PT 47WX51E PT 47WX51CE 2001 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a...

Page 2: ...enced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to servi...

Page 3: ...RATE 1080i 480p NTSC LINE DOUBLER 480p SMOOTH PROGRESSIVE MTS SAP DBX X Bass Bl Treb control X AI sound X SURROUND X Spatializer BBE BBE Built in audio power 15WX2 10 10WX2 10 Number of speakers 4 2...

Page 4: ...K Board TNP2AA089 front button panel R Board TNPA0615AB IR receiver Table 2 Boards designation Note The A Board TNP2AH035 is non serviceable Except for A Board both tuners IC2302 IC7001 IC7002 IC871 I...

Page 5: ...located in specific areas depending on how many times the LED is flashing this will tell you what circuit should be checked Make a count of flashing and see Table 3 Please use this feature effectivel...

Page 6: ...0 s sec div Sub Y 15 72kHz 1 92Vpp 10 s sec div NTSC video 15 72kHz 2 02Vpp 10 s sec div VP 60Hz 3 36Vpp 5 s sec div HP 31 65kHz 3 32Vpp 10 s sec div Conv 18 60 24Hz 0 75Vpp 5 s sec div Conv 18 60 24H...

Page 7: ...n remote to display DACs menu then select DAC by pressing CH RIGHT LEFT and VOL UP DOWN then press ACTION to enter to DAC then adjust by pressing VOL RIGHT LEFT press ACTION to save press ACTION again...

Page 8: ...me for the red focus lens while projecting red only 6 Repeat for blue Electric VM focus adjustment complete adjustment Perform this adjustment when a CRT is replaced or when major adjustment is requir...

Page 9: ...DAC from 00 to 01 to project green only 17 Repeat above procedures for the green 18 Set VIDEO C_OFF DAC from 00 to 02 to project red only 19 Repeat above procedures for the blue 20 Enable digital con...

Page 10: ...C_OFF DAC from 01 to 00 HD 1080i Horizontal phase adjustment H POS Note 1080i 480p 480i pattern can be obtained from Panasonic s TU DST51 set top box DTV decoder 1 Apply a HD 1080i pattern 2 Repeat NT...

Page 11: ...ce by changing DAC MUTE from 01 to 00 13 Set VIDEO C_OFF DAC from 02 to 00 Following the adjustment make sure that all deflection coils are pushed completely toward the CRT cones and that all screws a...

Page 12: ...onoscope pattern center 15 Press 0 key to go back to CONVERGENCE ADJ mode 16 Press TV VIDEO key to cycle through COARSE ADJ MODE options 17 To change to FINE ADJUSTMENT MODE options DAC FINE press TV...

Page 13: ...see figure 46 11 Adjust H_PIN by pressing VOL right left 12 Press 7 then ACTION key on remote to save changes Figure 46 H V PIN adjustment 13 Enter to CORNER G CORNER mode by pressing TV VIDEO 14 Adj...

Page 14: ...attern are displayed 38 Adjust B STATIC so that the center of blue overlaps with the center of green see figure 51 Figure 51 B STATIC adjustment 39 Perform all adjustments for blue B SKEW B LINEAR B S...

Page 15: ...ursor to any of the 9 positions for EASY mode see figure 52 11 This adjustment may help to make rounded lines become straight lines 12 Adjust to make lines as straight as possible 13 Enter to POINT G...

Page 16: ...d and green 31 Press 1 or 3 key on remote to display red green and blue white 32 At this point the crosshatch pattern should look white 33 If the crosshatch pattern is not only white repeat adjustment...

Page 17: ...lignment template to the viewing screen of the PTV 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 conver...

Page 18: ...needed to apply the format For some adjustments is required to perform adjustment for each format convergence adjustment must be perform for 480i p same for interlace progressive 1080i and ZOOM 480i A...

Page 19: ...TINT ADJ X N A X R Y_A YELLOW TINT ADJ X N A X CUT R RED CUT OFF X N A X CUT B BLUE CUT OFF X N A X R DR RED DRIVE X N A X B DR BLUE DRIVE X N A X I ABL ABL X X X C_OFF COLOR ADJ CUT OFF X X X HDEF H...

Page 20: ...S COARSE ADJUSTMENT X X X FINE FINE ADJUSTMENT X X X DAF H PAR HORIZONTAL PARABOLA X X X V SAW VERTICAL SAW X X X V PAR VERTICAL PARABOLA X X X OTHER ACL X N A X HHS X N A X Signal Formated Format 480...

Page 21: ...evel of the selected service adjustments MTS Adjustments Description Default Level New Level MTSIN INPUT LEVEL 21 SEPAL LOW LEVEL SEPARATION 06 SEPAH HIGH LEVEL SEPARATION 1A CLOCK Adjustments Descrip...

Page 22: ...SIZE 00 VLIN VERTICAL LINEARITY 10 V S VERTICAL S CORRECTION 0A V I VERTICAL ENDING CORRECTION 0F DEFAULT VSYM VERTICAL MAGNET CORRECTION 04 DEFAULT VCORR VERTICAL CORRECTION 0C CONV Adjustments Desc...

Page 23: ...of the selected service adjustments MTS Adjustments Description Default Level New Level MTSIN INPUT LEVEL N A SEPAL LOW LEVEL SEPARATION N A SEPAH HIGH LEVEL SEPARATION N A CLOCK Adjustments Descript...

Page 24: ...TICAL SIZE N A VLIN VERTICAL LINEARITY N A V S VERTICAL S CORRECTION N A V I VERTICAL ENDING CORRECTION N A VSYM VERTICAL MAGNET CORRECTION N A VCORR VERTICAL CORRECTION N A CONV Adjustments Descripti...

Page 25: ...level of the selected service adjustments MTS Adjustments Description Default Level New Level MTSIN INPUT LEVEL N A SEPAL LOW LEVEL SEPARATION N A SEPAH HIGH LEVEL SEPARATION N A CLOCK Adjustments De...

Page 26: ...SIZE 40 VLIN VERTICAL LINEARITY 15 V S VERTICAL S CORRECTION 19 V I VERTICAL ENDING CORRECTION 0F DEFAULT VSYM VERTICAL MAGNET CORRECTION 04 DEFAULT VCORR VERTICAL CORRECTION 0C CONV Adjustments Desc...

Page 27: ...de To exit service mode just unplug PTV from AC line or turn it OFF or press ACTION and POWER on the receiver simultaneously for at least 2 seconds Press POWER on remote to display DACs ON REMOTE MUTE...

Page 28: ...TE A ON REMOTE ACTION To view the adjustments menu press POWER on remote Once in adjustments menu press VOL right left and CH up down on remote to select adjustment Press ACTIONon remote to enter the...

Page 29: ...xt adjustment ON REMOTE TO to make adjustment CH CH VOL VOL Press POWER or ACTION on remote to exit the adjustment EXIT POWER ON REMOTE IMPORTANT NOTE Always verify that PTV is out from service mode T...

Page 30: ...DTV decoder This adjustment requires that the servicer use its skills in observing what a colorbar pattern should looks like Preparation 1 Set the following in the user picture menu as follows PIC MO...

Page 31: ...is composed of two colors blue and red 4 Check to see that magenta does not have too much blue or too much red 5 Check cyan Cyan is composed of blue and green It should not have too much blue or gree...

Page 32: ...reparation Connect the frequency counter from IC001 MPU Pin 10 or TPA009 to cold ground Note Frequency Counter probe capacitance should be 8pF or less Procedure 1 Turn the PTV ON with the AC power app...

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