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Now downloading free:panasonic TX21FX50T

panasonic TX21FX50T free download

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

File information:
File name:TX-21GX50T.pdf
[preview TX21FX50T]
Size:1778 kB
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Mfg:panasonic
Model:TX21FX50T 🔎
Original:Ch.GL1 🔎
Descr:SERVISE MANUAL
Group:Electronics > Consumer electronics > TV
Uploaded:07-02-2008
User:provas
Multipart:No multipart

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Extracted files:1
File name TX-21GX50T.pdf

ORDER NO. MTV0701495CE Colour Television TX-21GX50T GL1 Chassis Specifications Power Source : Power Consumption : Aerial Impedance : AC AUTO 220-240V, 50/60 Hz 58W 75 unbalanced Coaxial type Receiving System : Receiving Channels : VHF 2-12 PAL / SECAM B,K1 0-12 PAL B (AUST) 1-9 PAL B (N.Z) 1-12 PAL/SECAM D 1-12 NTSC M (JAPAN) 2-13 NTSC M (U.S.A) UHF 21-69 PAL G,H,I / SECAM G,K,K1 28-69 PAL B (AUST) 13-57 PAL D,K 13-62 NTSC M (JAPAN) 13-62 NTSC M (JAPAN) CATV S1-S20 (OSCAR) 1-125 (U.S.A CATV) C13-C49 (JAPAN) S21-S41 (HYPER) Z1-Z37 (CHINA) 5A, 9A (AUST) Audio Terminal : DVD Specifications are subject to change without notice. Mass and dimensions shown are approximate. Mass : Audio Output : Dimensions : Picture Tube : High Voltage : Monitor Out Video Out Audio Out 1 Vp-p, 75 Approx. 0.5V, 1k 27.5kV ±1.5 at zero beam current A51QGA993X01 50.5cm (21 inches) Measured diagonally, 90° deflection 5W + 5w = 10W Height : 472 mm Width : 598 mm Depth : 479 mm 23 kg (Net Wt.) 17 Systems AV 1, 2 Video In Audio In 1 Vp-p, 75 Approx. 0.5V, 47k Y PB PR 1.0 Vp-p, 75 0.7 Vp-p, 75 0.7 Vp-p, 75 © 2007 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. TX-21GX50T CONTENTS Page 1 Safety Precautions 1.1. General Guide Lines 1.2. Leakage Current Cold Check 1.3. Leakage Current Hot Check (Fig. 1) 1.4. X-Radiation 1.5. GL1 Chassis Block Diagram 2 Service Hints 2.1. Service Position for E-Board 2.2. Factory Mode Adjustment 2.3. Adjustment for White Balance 3 3 3 3 3 4 5 5 5 8 2.4. Adjustment for CRT CUT OFF 2.5. Adjustment Procedure 2.6. Adjustment 3 Conductor Views 4 Schematic Diagram 4.1. A Board 4.2. L Board 5 Parts Locations 6 Replacement Parts List 6.1. Replacement Parts List Page 8 9 10 13 14 16 21 24 25 26 2 TX-21GX50T 1 Safety Precautions 1.1. General Guide Lines 1. It is advisable to insert an isolation transformer in the AC supply before servicing this hot chassis. 2. When servicing, observe the original lead dress, especially the lead dress in the high voltage circuits. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 3. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers, shields and isolation R-C combinations, are properly installed. 4. When the receiver is not to be used for a long period of time, unplug the power cord from the AC cord outlet. 5. Potential, as high as 29.0kV is present when this receiver is in operation. Operation of the receiver without the rear cover involves the danger of a shock hazard from the receiver power supply. Servicing should not be attempted by anyone who is not thoroughly familiar with the precautions necessary when working on high voltage equipment. Always discharge the anode of the picture tube to the receiver chassis before handling the tube. After servicing make the following leakage current checks to prevent the customer from being exp

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