Advertisement

Quick Links

Specifications
Power Source :
Power Consumption :
Aerial Impedance :
Receiving System :
Receiving Channels :
VHF
UHF
CATV
AC SINGLE 220-240V, 50/60 Hz
75Ω unbalanced
Coaxial type
17 Systems
2-12 PAL / SECAM B,K1
0-12 PAL B (N ZEALAND)
1-9 PAL B (N ZEALAND)
1-12 PAL / SECAM D
1-12 NTSC M (JAPAN)
2-13 NTSC M (U.S.A)
21-69 PAL G,H,I / SECAM G.K.KI
28-69 PAL B (Australia)
13-57 PAL D,K
13-62 NTSC M (JAPAN)
14-69 NTSC M (U.S.A)
S1-S20 (OSCAR)
1-125 (U.S.A CATV)
C13-C49 (JAPAN)
21-237 (CHINA)
5A,9A (AUSTRALIA)
TX-21FX20RSF-IRAN
GP41 Chassis
Audio Terminal :
67W
RAV In
Monitor Out
High Voltage :
Picture Tube :
Audio Output :
Dimensions :
Mass :
Specifications are subject to change without notice.
Mass and dimensions shown are approximate.
ORDER NO. MTV0601427CE
Colour Television
AV 1, 2, YUV, MONITOR OUT
Audio In Approx. 400mVrms
Video Out 1 Vp-p 75Ω
Audio Out Approx. 400mVrms
Measured diagonally,
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
Unauthorized
distribution is a violation of law.
Video In 1 Vp-p 75Ω
27.5kV ±1.5
at zero beam current
A51LYZ295X
50.5cm (21 inches)
90° deflection
16.0W
Height : 472 mm
Width : 648 mm
Depth : 488 mm
24 kg (Net Wt.)
copying
and

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TX-21FX20RSF-IRAN and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Panasonic TX-21FX20RSF-IRAN

  • Page 1 ORDER NO. MTV0601427CE Colour Television TX-21FX20RSF-IRAN GP41 Chassis Specifications Power Source : AC SINGLE 220-240V, 50/60 Hz Audio Terminal : AV 1, 2, YUV, MONITOR OUT Power Consumption : RAV In Video In 1 Vp-p 75Ω Aerial Impedance : 75Ω unbalanced Audio In Approx.
  • Page 2: Table Of Contents

    TX-21FX20RSF-IRAN CONTENTS Page Page 1 Safety Precautions 2.4. Adjustment for CRT CUT OFF 1.1. General Guide Lines 2.5. Adjustment Procedure 1.2. Leakage Current Cold Check 2.6. Adjustment 1.3. Leakage Current Hot Check (Fig. 1) 3 Conductor Views 1.4. X-Radiation 4 Schematic Diagram 1.5.
  • Page 3: Safety Precautions

    TX-21FX20RSF-IRAN 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.
  • Page 4: Gp41 Chassis Block Diagram

    TX-21FX20RSF-IRAN 1.5. GP41 Chassis Block Diagram...
  • Page 5: Service Hints

    TX-21FX20RSF-IRAN 2 Service Hints 2.1. Service Position for E-Board 1. Remove the back cover. 2. Stand the TV set as shown in Fig. 2. 3. Remove the A-Board from the TV set by pulling the main board out as shown in Figure 2.
  • Page 6 TX-21FX20RSF-IRAN NOTE :- Service mode 2 options bit. 6. Service Mode 3 Controls To enter SERVICE 3; press channel key ‘1’ in SERVICE 2 entry screen. 7. Service Mode 3 Function...
  • Page 7: Adjustment For White Balance

    TX-21FX20RSF-IRAN 2.3. Adjustment for White Balance Preparation: 1. Receive the white balance pattern and aging should have been performed over 30 minutes. 2. Set the picture menu to DYNAMIC NORMAL. 3. Degausse the CRT face. 4. Fix the CRT colour analyzer receiver unit to CRT face.
  • Page 8: Adjustment Procedure

    TX-21FX20RSF-IRAN 2.5. Adjustment Procedure 2.5.1. +B Voltage Item / preparation 1. Operate the TV set. 2. Set control as follows : Brightness ... minimum Contrast ....minimum Adjustment procedure 1. Confirm the DC voltage at the indicated test points, as follows : TPA 15 : 3.35 ±...
  • Page 9: Adjustment

    TX-21FX20RSF-IRAN 2.6. Adjustment Before Colour Purity, Convergence and White Balance adjustment are attempted, V. Height, H. Centre and Focus adjustments must be completed. Colour Purity Convergence 1. Set the Brightness and Contrast controls to their maximum 1. Apply a crosshatch pattern signal and Normalize Contrast positions.
  • Page 10 TX-21FX20RSF-IRAN Adjustment of CRT VRS 1. Preparation a. Set DY to CRT not to tilt up and down left and right deflection. b. Set CY to CRT and set CY magnet primarily (Fig. 1) Purity magnet : Set purity magnet that 2 magnets are (TOP POSITION) VRS magnet : Set purity magnet 2 magnets are (HORIZONTAL POSITION) 2.
  • Page 11 TX-21FX20RSF-IRAN Fig. 10 Fig. 11 Notes: 1. Wedge A, B and C should be inserted following the sequence of 1, 2 and 3 shown in Fig. 11. 2. The wedges should be set 120° apart from each other. 3. Be certain that three wedges are firmly fixed and the Deflection Yoke is tightly clamped in place.
  • Page 12: Conductor Views

    TX-21FX20RSF-IRAN 3 Conductor Views...
  • Page 13: Schematic Diagram

    TX-21FX20RSF-IRAN 4 Schematic Diagram...
  • Page 14 TX-21FX20RSF-IRAN...
  • Page 15: A Board

    TX-21FX20RSF-IRAN 4.1. A Board 4.1.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 16 TX-21FX20RSF-IRAN 4.1.2. A Board (2/5) <1A> <1B> <2A> <2B> <3A> <4A> <3B> <5A> <6A> <4B> <7A> <8A> <5B> <6B> <7B> <8B> <9A> <9B>...
  • Page 17 TX-21FX20RSF-IRAN 4.1.3. A Board (3/5) <1B> <1C> <2C> <2B> <3B> <3C> <4B> <4C> <5C> <5B> <6C> <6B> <7B> <7C> <8B> <9B> <8C>...
  • Page 18 TX-21FX20RSF-IRAN 4.1.4. A Board (4/5) <1C> <1D> <2C> <2D> <3D> <4D> <3C> <5D> <6D> <7D> <4C> <8D> <5C> <6C> <7C> <8C> <9D>...
  • Page 19 TX-21FX20RSF-IRAN 4.1.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 20: L Board

    TX-21FX20RSF-IRAN 4.2. L Board 4.2.1. L Board (1/3) <1A> <2A> <3A>...
  • Page 21 TX-21FX20RSF-IRAN 4.2.2. L Board (2/3) <1A> <1B> <2A> <2B> <3B> <4B> <5B> <6B> <7B> <8B> <3A> <9B>...
  • Page 22 TX-21FX20RSF-IRAN 4.2.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B> <8B> <9B>...
  • Page 23: Parts Locations

    TX-21FX20RSF-IRAN 5 Parts Locations...
  • Page 24: Replacement Parts List

    TX-21FX20RSF-IRAN 6 Replacement Parts List...
  • Page 25: Replacement Parts List

    TX-21FX20RSF-IRAN 6.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C3046 ECJ2VC1H222J C 2200PF, J, 50V Ref. Part No. Part Name & Description Remarks C305 F2A1C471A339 E 470UF, 16V C306 D0GB240JA008 F 24,J, 1/16V A51LYZ295X PICTURE TUBE...
  • Page 26 TX-21FX20RSF-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C640 ECJ1VF1H104Z C 0.1UF, Z, 50V D515 B0HAMP000090 DIODE C642 ECJ1VF1H104Z C 0.1UF, Z, 50V D520 B0ACDJ000009 DIODE C645 ECJ1VF1H104Z C 0.1UF, Z, 50V...
  • Page 27 TX-21FX20RSF-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L609 J0JKB0000034 EMI FILTER R1201 ERJ3GEYJ102 M 1KOHM,J,1/16W L611 G0C100K00008 COIL R1202 ERJ3GEYJ102 M 1KOHM,J,1/16W L625 J0JKA0000038 BEAD CORE R1228 ERJ3GEYJ101 M 100OHM,J,1/16W...
  • Page 28 TX-21FX20RSF-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R398 ERJ3GEYJ101 M 100OHM,J,1/16W R701 ERJ3GEYJ103 M 10KOHM,J,1/16W R399 D0AE301JA046 C 300OHM,J, 1/4W R824 ERX12SJR27E M 0.27OHM,J, 1/2W R401 ERDS2TJ104 C 100KOHM,J, 1/4W...
  • Page 29 TX-21FX20RSF-IRAN Ref. Part No. Part Name & Description Remarks JS3131 ERJ3GEY0R00 M 0OHM,J,1/16W JS3132 ERJ3GEY0R00 M 0OHM,J,1/16W JS3137 ERJ3GEY0R00 M 0OHM,J,1/16W JS3139 ERJ3GEY0R00 M 0OHM,J,1/16W JS3140 ERJ3GEY0R00 M 0OHM,J,1/16W JS631 ERJ3GEY0R00 M 0OHM,J,1/16W JS632 ERJ3GEY0R00 M 0OHM,J,1/16W JS633 ERJ3GEY0R00 M 0OHM,J,1/16W...

Table of Contents