jedyne do czego mogę mieć zastrzeżenie to jakość zdjęć zawartych w przesłanej instrukcji serwisowej ponieważ są fatalnej jakości, praktycznie nieczytelne. tak poza tym jestem zadowolony to jest to czego szukałem.
Instrukcja jest OK. Schematy czytelne, opisane niektóre procedury.
Tekstowy podgląd strony 35 (kliknij aby zobaczyć)
SCHEMATIC DIAGRAMS FOR MODELS TX-28XD90F /A /B TX-25XD90F /A /B (EURO-5 CHASSIS)
IMPORTANT SAFETY NOTICE
Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts.
RESISTOR 1. All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM (�) (k=1,000, M=1,000,000) CAPACITORS 2. All capacitors are ceramic 50V unless marked otherwise.Unit of capacitance is µF unless otherwise stated.
3.
COIL Unit of inductance is µH, unless otherwise stated. Components marked "L" on the schematic diagram shows leadless parts. TEST POINT Test Point Position
3.
4. 5.
4. 5.
6.
EARTH SYMBOL Chassis Earth (Cold)
Terre de ligne (chaud)
7.
VOLTAGE MEASUREMENT Voltage is measured by a d.c. voltmeter. Measurement conditions are as follows: Power source a.c. 220V-240V, 50Hz Receiving Signal Colour Bar signal (RF) All customer controls Maximum position. Indicates the Video signal path Indicates the Audio signal path
The Power Supply Circuit contains a circuit area which uses 1. a separate power supply to isolate the earth connection. The circuit is defined by HOT and COLD indications in the schematic diagram. All circuits except the Power Circuit, are COLD. Take the following precautions :Do not touch the hot part, or the hot and cold parts at the same time, as you are liable to a shock hazard. Do not short circuit the hot and cold circuits as electrical components may be damaged. Do not connect an instrument, such as an oscilloscope, to the hot and cold circuits simutaneously as this may cause fuse failure. Connect the earth of the instruments to the earth connection of the circuit being measured. Always disconnect the power plug before removing the chassis. a.
