Table of Contents
Advertisement
Quick Links
Specifications
Power Source :
Power Consumption :
Aerial Impedance :
Receiving System :
Receiving Channels :
VHF
UHF
CATV
Audio Terminal :
DVD
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)
Z1-Z37 (CHINA)
5A,9A (AUSTRALIA)
S21-S41 (HYPER)
TX-21GX25R-IRAN
GP41N Chassis
58W
AV 1, 2, 3
Monitor Out
Video Out
Audio Out
High Voltage :
Picture Tube :
Audio Output :
Dimensions :
Mass :
Specifications are subject to change without notice.
Mass and dimensions shown are approximate.
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights
distribution is a violation of law.
ORDER NO. MTV0701522CE
Colour Television
Y
PB
PR
Video In
1 Vp-p, 75Ω
Audio In
Approx. 0.5V, 47kΩ
reserved.
Unauthorized
1.0 Vp-p, 75Ω
0.7 Vp-p, 75Ω
0.7 Vp-p, 75Ω
1 Vp-p, 75Ω
Approx. 0.5V, 1kΩ
27.5kV ±1.5
at zero beam current
A51LYZ395X62
50.5cm (21 inches)
Measured diagonally,
90° deflection
5W + 5w = 10W
Height : 472 mm
Width : 598 mm
Depth : 479 mm
22.5 kg (Net Wt.)
copying
and
Advertisement
Table of Contents
Related Manuals for Panasonic TX-21GX25R-IRAN
Summary of Contents for Panasonic TX-21GX25R-IRAN
- Page 1 ORDER NO. MTV0701522CE Colour Television TX-21GX25R-IRAN GP41N Chassis Specifications Power Source : AC SINGLE 220-240V, 50/60 Hz 1.0 Vp-p, 75Ω Power Consumption : 0.7 Vp-p, 75Ω Aerial Impedance : 75Ω unbalanced 0.7 Vp-p, 75Ω Coaxial type AV 1, 2, 3...
-
Page 2: Table Of Contents
TX-21GX25R-IRAN CONTENTS Page Page 1 Safety Precautions 2.5. Adjustment Procedure 1.1. General Guide Lines 2.6. Adjustment 1.2. Leakage Current Cold Check 3 Conductor Views 1.3. Leakage Current Hot Check (Fig. 1) 4 Schematic Diagram 1.4. X-Radiation 4.1. A Board 1.5. GP41N Chassis Block Diagram 4.2. -
Page 3: Safety Precautions
TX-21GX25R-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: Gp41N Chassis Block Diagram
TX-21GX25R-IRAN 1.5. GP41N Chassis Block Diagram... -
Page 5: Service Hints
TX-21GX25R-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-21GX25R-IRAN d. After selecting the required option mode press Vol up / Vol down to adjust correct option. OSD will change to RED colour. Press digit “0” to memorize data. e. CHK2 Press digit key “2” to move forward to CHK2.
- Page 7 TX-21GX25R-IRAN j. Press digit key “4” to move forward from V-SLOPE ------> V-SHIFT Press digit key “3” to move backward from V-SHIFT ------> V-SLOPE k. Press volume up / volume down to adjust required setting. l. CHK4 Press digit key “2” to move forward to CHK 4.
-
Page 8: Adjustment For White Balance
TX-21GX25R-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 9: Adjustment Procedure
TX-21GX25R-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 10: Adjustment
TX-21GX25R-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 11 TX-21GX25R-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 12 TX-21GX25R-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 13: Conductor Views
TX-21GX25R-IRAN 3 Conductor Views... -
Page 14: Schematic Diagram
TX-21GX25R-IRAN 4 Schematic Diagram... - Page 15 TX-21GX25R-IRAN...
-
Page 16: A Board
TX-21GX25R-IRAN 4.1. A Board 4.1.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>... - Page 17 TX-21GX25R-IRAN 4.1.2. A Board (2/5) <1A> <1B> <2A> <2B> <3A> <4A> <3B> <4B> <5A> <6A> <7A> <5B> <8A> <6B> <7B> <8B> <9A> <9B>...
- Page 18 TX-21GX25R-IRAN 4.1.3. A Board (3/5) <1B> <1C> <2B> <2C> <3B> <4B> <3C> <4C> <5C> <5B> <6C> <6B> <7C> <7B> <8C> <8B> <9B> <9C>...
- Page 19 TX-21GX25R-IRAN 4.1.4. A Board (4/5) <1C> <1D> <2C> <2D> <3D> <4D> <3C> <5D> <4C> <5C> <6D> <7D> <6C> <8D> <7C> <8C> <9C> <9D>...
- Page 20 TX-21GX25R-IRAN 4.1.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
-
Page 21: L Board
TX-21GX25R-IRAN 4.2. L Board 4.2.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>... - Page 22 TX-21GX25R-IRAN 4.2.2. L Board (2/3) <1A> <1B> <2A> <3A> <2B> <4A> <3B> <4B> <5A> <6A> <5B> <7A> <6B>...
- Page 23 TX-21GX25R-IRAN 4.2.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B>...
-
Page 24: Pp Board
TX-21GX25R-IRAN 4.3. PP Board 4.3.1. PP Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>... - Page 25 TX-21GX25R-IRAN 4.3.2. PP Board (2/3) <1A> <1B> <2B> <2A> <3B> <3A> <4A> <4B> <5A> <6A> <5B> <7A> <8A> <6B> <9A> <7B>...
- Page 26 TX-21GX25R-IRAN 4.3.3. PP Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
-
Page 27: Parts Locations
TX-21GX25R-IRAN 5 Parts Locations... -
Page 28: Replacement Parts List
TX-21GX25R-IRAN 6 Replacement Parts List... -
Page 29: Replacement Parts List
TX-21GX25R-IRAN 6.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C3023 ECJ1VF1C105Z C 1UF, Z, 16V Ref. Part No. Part Name & Description Remarks C3024 ECJ1VF1C105Z C 1UF, Z, 16V C3025 ECJ1VF1C105Z C 1UF, Z, 16V A51LYZ395X62... - Page 30 TX-21GX25R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C628 F2A1A471A274 E 470UF, 10V D2107 B0AACJ000009 DIODE C630 ECJ1VF1H103Z C 0.01UF, Z, 50V D2108 B0AACJ000009 DIODE C631 ECJ1VB1H333K C 0.033UF, K, 50V...
- Page 31 TX-21GX25R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L002 G0C100K00008 COIL R006 ERJ3GEYJ473 M 47KOHM,J,1/16W L003 G0C4R7JA0055 PEAKING COIL R007 ERJ3GEYJ682 M 6.8KOHM,J,1/16W L1001 J0JKB0000034 EMI FILTER R008 ERJ3GEY0R00 M 0OHM,J,1/16W...
- Page 32 TX-21GX25R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3105 ERJ3GEY0R00 M 0OHM,J,1/16W R627 ERJ3GEYJ103 M 10KOHM,J,1/16W R311 D0AE181JA046 C 180OHM,J, 1/4W R628 ERJ3GEYJ823 M 82KOHM,J,1/16W R312 D0AE181JA046 C 180OHM,J, 1/4W R629...
- Page 33 TX-21GX25R-IRAN Ref. Part No. Part Name & Description Remarks K1KA04AA0190 CONNECTOR K1KA04AA0190 CONNECTOR K1KA04AA0093 CONNECTOR CF835 TAP4GA0005 POSISTOR F860 K5D502BK0003 FUSE JA10 ERJ3GEY0R00 M 0OHM,J,1/16W JA11 ERJ3GEY0R00 M 0OHM,J,1/16W JA12 ERJ3GEY0R00 M 0OHM,J,1/16W JA13 ERJ3GEY0R00 M 0OHM,J,1/16W JA14 ERJ3GEY0R00 M 0OHM,J,1/16W...