Practical guide to chassis repair - Free

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Practical guide to chassis repair Via Nuova Poggioreale 163 A/B 10 Tel: 0039 / 081281582 80143 Napoli (Italy) www.gevin.com Fax: 0039 / 0815546641
Practical guide to chassis repair Standard (15kHz) Vertical Deflexion (Fig.4) Defect: • Horizontal white line, check: 1. Resistor R34 = 4,7 Ω 2 W 2. Integrated Circuit IC4 = TDA 1675. 3. Electrolytic capacitor C30=220 µF50 V 4. Adjustments Board. EAST-WEST (pincushion – keystone) Defect: • It is not possible to adjust the horizontal amplitude, or the lateral lines, check: 1. Diode D17 = BY299. (Fig.2) 2. Transistor Q16 = BC237; Q17 = BC307; Q18 = BDX53C (Fig.5). 3. Insulator Q18 (Fig.5) 4. Coil J4 (Fig.5) Via Nuova Poggioreale 163 A/B 11 Tel: 0039 / 081281582 80143 Napoli (Italy) www.gevin.com Fax: 0039 / 0815546641
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