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Table of Contents
Related Manuals for Panasonic P7W
Summary of Contents for Panasonic P7W
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Page 1: Service Manual
Service Manual TOP NEXT ORDER NO. MTNC010522A1 HDTV MONITOR PT-47WX49E PT-47WX51E PT-47WX51CE © 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. TOP NEXT http://servis-manual.com/... -
Page 2: Hdtv Monitor
PT-47WX42CF EP824 This service manual is issued as a service guide for the models of the P7W family listed above. Included in this manual are a set of schematics, alignment procedures, disassembly procedures and a complete parts list. “WARNING! This Service Manual is designed for experienced repair technicians only and is not designed for use by the general public. -
Page 3: Feature Table
Feature table PT-47WX52F PT-47WX42F FEATURE PT-47WX52CF PT-47WX42CF Chassis Number of channels Menu language Eng/Span/Fr Closed caption (CC) V-Chip (USA/CANADA) Picture in Picture (PIP) 2T split VIDEO INPUT MEMORY/SKIP SKIP Remote control number EUR7603Z30 EUR7603Z40 Screen protector W/PROT SCRN W/O PROT SCRN Comb filter ADV 3D Y/C (NEW) Color temp... -
Page 4: Boards Designation
Boards designation BOARD PART NUMBER BOARD DESCRIPTION A-Board TNP2AH035 signal processing D-Board TNPH0371 power and deflection LB-Board TNP2AA110 blue driver LG-Board TNP2AA111 green driver LR-Board TNP2AA112 red driver G-Board TNP2AA090 front A/V panel K-Board TNP2AA089 front button panel R-Board TNPA0615AB IR receiver Table 2: Boards designation Note: The A-Board ( TNP2AH035 ) is non-serviceable. -
Page 5: Auto Diagnosis Feature
Auto diagnosis feature This receiver incorporates a new auto-diagnosis feature. With this new feature will be easier for the technicial to detect the failures. There is a LED located by the keyboard on the front panel, this LED will start flashing when a failure is detected by the circuits located in specific areas, depending on how many times the LED is flashing, this will tell you what circuit... - Page 6 A-Board check points waveforms Sub tuner video output Main Y Main tuner video output 15.72kHz, 1.00Vpp, 15.72kHz, 1.00Vpp 15.72 kHz, 1 Vpp, 10µs sec/div 10µs sec/div 10µs sec/div Sub Y NTSC video 15.72kHz, 1.92Vpp, 15.72kHz, 2.02Vpp, 60Hz, 3.36Vpp, 10µs sec/div 10µs sec/div 5µs sec/div Conv +18...
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Page 7: Red Green Blue
PTV Note: 1080i, 480p, 480i pattern can be obtained from ON to prevent damage to the horizontal Panasonic’s TU-DST51 set-top box DTV output transistor and/or CRTs. decoder. 1. Connect test generator to the antenna terminal and 1. -
Page 8: Electric & Vm Focus Adjustment, Complete Adjustment
2. Set VIDEO C_OFF DAC from 00 to 02, and project Electric & VM focus adjustment, complete only red. Adjust red focus VR so that focus is best.. adjustment (Perform this adjustment when a CRT is replaced or when major adjustment is required) screen Preparation: + + +... - Page 9 4., adjust the Note: 1080i, 480p, 480i pattern can be obtained from alignment magnets until the dots are in the same Panasonic’s TU-DST51 set-top box DTV position as noted in step 4. decoder.
- Page 10 (VSIZE) (H-POS) Note: 1080i, 480p, 480i pattern can be obtained from Note: 1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 set-top box DTV Panasonic’s TU-DST51 set-top box DTV decoder. decoder. 1. Apply a NTSC pattern (see avobe note) .
- Page 11 Note: 1080i, 480p, 480i pattern can be obtained from NTSC Horizontal size adjustment (H WID) Panasonic’s TU-DST51 set-top box DTV decoder. Note: 1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 set-top box DTV Procedure: decoder.
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Page 12: Coarse Adjustment Mode (Coarse)
10. Press “TV/VIDEO” key to enter “DATA_POS” mode Note: 1080i, 480p, 480i pattern can be obtained from 11. Adjust by pressing VOL right - left so that peak of Panasonic’s TU-DST51 set-top box DTV curve is the same position as center of cursor. decoder. - Page 13 2. Press “2” repeatedly and apply the pattern of 12. Press “7” then “ACTION” key on remote to save border and cross. changes. 3. Press RECALL to display values 4. Adjust size so that the line of the border closes to the screen frame at top, bottom, left and right by pressing CH up-down and VOL right-left.
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Page 14: Fine Adjustment Mode (Fine) (Convergence)
21. Adjust “R-STATIC” so that the center of red 38. Adjust B-STATIC so that the center of blue overlaps with the center of green. overlaps with the center of green (see figure 51). blue green green Figure 51. B-STATIC adjustment Figure 49. - Page 15 In “FINE ADJUSTMENT MODE” options, press 10. To move the cursor press MUTE on the remote “MUTE” key on remote to switch between “cursor” (cursor flashes), then move the cursor to any of the mode and “data” mode. 9 positions for “EASY” mode(see figure 52) •...
- Page 16 22. Confirm that green adjustment is good enough, if 34. Once the crosshatch pattern looks only white, adjustment is not satisfactory, repeat adjustments. perform the adjustments for White (“POINT”, 23. Enter to LINE “G-LINE” mode by pressing TV/ “ORIG. POINT” & “LINE”), notice that each VIDEO.
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Page 17: Horizontal And Vertical Size Check
Grid dimensions: 47” Models: 1036mm horizontal X 584mm vertical. Note: A convergence alignment template, part number TXFQD01ESER1 for 47”, is available through Matsushita/Panasonic Services. Center Center Figure 59. Convergence adjustment grid - 33 -... -
Page 18: Service Mode (Electronic Controls)
480i-p (same for interlace guide. & progressive), 1080i and ZOOM 480i. A 1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 Quick entry to service mode: set-top box DTV decoder. When minor adjustments need to be done to the... - Page 19 Table of the service adjustment item available for each format Format Signal Formated 480i 480p 1080i MTSIN INPUT LEVEL SEPAL LOW LEVEL SEPARATION SEPAH HIGH LEVEL SEPARATION CLOCK CLOCK CLOCK VIDEO COLOR COLOR TINT TINT BRIGHT SUB-BRIGHTNESS CONT SUB-CONTRAST B-G_Y MAGENTA TINT ADJ R-Y_A YELLOW TINT ADJ...
- Page 20 Format Signal Formated 480i 480p 1080i VCORR VERTICAL CORRECTION CONV MUTE DIGITAL CONV (ON/OFF) COARS COARSE ADJUSTMENT FINE FINE ADJUSTMENT H-PAR HORIZONTAL PARABOLA V-SAW VERTICAL SAW V-PAR VERTICAL PARABOLA OTHER --------------- ---------------- Note: PTV detects automatically the format of the input signal (480i, 480p or 1080i) - 36 - Service Manual...
- Page 21 480i Service mode (electronic controls, continued) a. Press Note: Registers marked as FIXED are factory preset, buttons on the remote control to select any of the default value must not be changed the seven service sub adjustment addresses. (“a” in figure 60) b.
- Page 22 a. Press Note: Registers marked as FIXED are factory preset, buttons on the remote control to select any of the default value must not be changed the seven service sub adjustment addresses. (“a” in figure 60) b. Press Important note: Write down the original values (“b”...
- Page 23 480p Service mode (electronic controls, continued) a. Press Note: Registers marked as FIXED are factory preset, buttons on the remote control to select any of the default value must not be changed the seven service sub adjustment addresses. (“a” in figure 60) b.
- Page 24 a. Press Note: Registers marked as FIXED are factory preset, buttons on the remote control to select any of the default value must not be changed the seven service sub adjustment addresses. (“a” in figure 60) b. Press Important note: Write down the original values (“b”...
- Page 25 1080i Service mode (electronic controls, continued) a. Press Note: Registers marked as FIXED are factory preset, buttons on the remote control to select any of the default value must not be changed the seven service sub adjustment addresses. (“a” in figure 60) b.
- Page 26 a. Press Note: Registers marked as FIXED are factory preset, buttons on the remote control to select any of the default value must not be changed the seven service sub adjustment addresses. (“a” in figure 60) b. Press Important note: Write down the original values (“b”...
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Page 27: Normal Mode
Instructional flow chart for format aspect switching (WX 16:9 or HX 4:3) NORMAL MODE ENTER TO SERVICE MODE • Select CABLE mode. • Set SLEEP time for 30 Min. • Tune to channel 124. • Adjust VOLUME to minimum. • Press VOL DOWN on receiver. -
Page 28: Aging Mode
Instructional flow chart for service mode NORMAL MODE ENTRY TO SERVICE MODE AGING MODE • Select CABLE Mode. • Press VOL UP and ACTION simultaneously on PTV • Set SLEEP time for 30 Min. • Yellow “CHK” appears in upper left corner of screen. •... - Page 29 Instructional flow chart for service mode - continued ON REMOTE CONTROL TO (previous/next adjustment ON REMOTE TO VOL VOL to make adjustment Press POWER or ACTION on remote to POWER exit the adjustment. (ON REMOTE) IMPORTANT NOTE: Always verify that PTV is out from service mode.
- Page 30 1. Set PIC MODE TO VIVID, PICTURE settings to Note: 1080i, 480p, 480i pattern can be obtained from normal, NATURAL COLOR to OFF and COLOR Panasonic’s TU-DST51 set-top box DTV TEMPERATURE to NORMAL. decoder. 2. Connect meter (+) to TPD50 and (-) to TPD51.
- Page 31 Note: It is important to adjust the MTS circuit in the order shown below. White balance adjustment The MTS circuit adjustments require two steps: Note: 1080I, 480p, 480I pattern can be obtained from 1. Input level adjustment. Panasonic’s TU-DST51 set-top box DTV 2. Stereo separation adjustment. decoder. Prior this adjustment,...
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Page 32: Clock Adjustment (Clock)
4. Apply following signal from signal generator: Video: 100 IRE flat field, 30% modulation. Audio: 3KHz, 30% modulation, stereo (left only). (70dB ± 5dB, 75Ω OPEN, P/S 10dB). Note: Set the 30% modulation with the P.L and N.R. switches OFF then turn them ON while testing.