Page 1
ORDER NO. MTV0601420CE Colour Television TX-29FX20R GP41 Chassis Specifications Power Source : AC SINGLE 220-240V, 50/60 Hz 0.7Vp-p, 75Ω Power Consumption : AV 1,2,3 Aerial Impedance : 75Ω unbalanced Video In 1Vp-p, 75Ω Coaxial type Audio In Approx. 0.5V, 47kΩ...
TX-29FX20R Depth : 508 mm Specifications are subject to change without notice. Mass and dimensions shown are approximate. Mass : 43 kg (Net Wt.) CONTENTS Page Page 1 Safety Precautions 2.4. Adjustment Procedure 1.1. General Guide Lines 2.5. Adjustment 1.2. Leakage Current Cold Check 3 Conductor Views 1.3.
TX-29FX20R 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.
TX-29FX20R 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.
TX-29FX20R 2.4. Adjustment Procedure 2.4.1. +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 ±...
TX-29FX20R 2.5. 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 1. Apply a crosshatch pattern signal and Normalize maximum positions.
Page 8
TX-29FX20R 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.
TX-29FX20R 6.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C3027 ECJ2VF1C105Z C 1UF, Z, 16V Ref. Part No. Part Name & Description Remarks C303 ECJ2VB1C104K C 0.1UF, K, 16V C3034 ECA1AM471B E 470UF, 10V A68LZU185X-E PICTURE TUBE...
Page 26
TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C627 F2A1C101A310 E 100UF, 16V C961 F2A2A1000016 C 10UF, 100V C628 F2A1A471A274 E 470UF, 10V C962 F1B2H1030028 C 0.01UF, 500V C630 ECJ2VF1H103Z C 0.01UF, Z, 50V...
Page 27
TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC605 C0ZAZ0000162 Q354 B1ADCE000012 TRANSISTOR IC801 C5HABZZ00168 IC, POWER SUPPLY Q360 B1ACAA000019 TRANSISTOR IC802 C0EAS0000026 Q361 B1ACAA000019 TRANSISTOR IC851 C0DAEJG00001 IC, POWER SUPPLY...
Page 28
TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3002 ERJ6GEYJ750 M 75OHM, 1/10W R502 ERJ6GEYJ103 M 10KOHM,J,1/10W R3004 ERJ6GEYJ104 M 100KOHM,J,1/10W R504 ERG2SJS332H M 3.3KOHM,J, 2W R3005 ERJ6GEYJ750 M 75OHM, 1/10W...
Page 29
TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R713 ERG3SJS120H M 12OHM,J, 3W K1KA13A00140 CONNECTOR R715 ERDS2TJ433 C 43KOHM,J, 1/4W K1KA13A00138 CONNECTOR R825 ERJ6GEYJ471 M 470OHM,J,1/10W K1KA13A00140 CONNECTOR R827 ERJ6GEYJ153 M 15KOHM,J,1/10W...
Need help?
Do you have a question about the TX-29FX20R and is the answer not in the manual?
Questions and answers