Dicas Reparação PHILIPS





Pesquisa: PHILIPS

Resultados 13482

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
PhilipsFL1.2Replacement of IC7366 TDA4660 by TDA4661/V2.Replacement of IC7366 TDA4660 by TDA4661/V2. -------------------------------------------- If the TDA4661/V2 is a replacement of the TDA4660 version, execute the following modification: Remove C2386 and R3385 Change R3383 into 33 kOhm (4822 051 10333)
PhilipsFL1.2Repair procedure 100HZ box and LFR (Digital Scan) Repair procedure 100HZ box and LFR (Digital Scan) box. ------------------------------------------------------ Untill now these panels are send back with and without the metal screening box. To clarify the situation all these panels should be send back wit
PhilipsFL1.2Red, green and blue horizontal line in top of the picturePin 8 IC7450 is 22V instead of 12V. Replace C2452 (220uF; 4822 124 41716) and D6451 (BZX79-B10; 4822 130 61219).
PhilipsFL1.2Red, green and blue horizontal line in top of the picturePin 8 IC7450 is 22V instead of 12V. Replace C2452 (220uF; 4822 124 41716) and D6451 (BZX79-B10; 4822 130 61219).
PhilipsFL1.2Production modificationsProduction modifications ------------------------ Position Type New type Code no. Introduced 7137 X2404P ST24C04B1 4822 209 52316 WK9208 7320 CNX83A CNY17-3.6 4822 130 83177 WK9226 7430 TDA4680 TDA4
PhilipsFL1.2Presets on picture tube panel and deflection unitPresets on picture tube panel and deflection unit ------------------------------------------------- Some sets have a preset R3739 in the peak beam current limiting circuit on the picture tube panel (see circuit diagram E in the FL1.2 AB/BB service manual
PhilipsFL1.2PIP picture not in order.Check R3345 (4822 111 41424) in PIP unit, check IC7755 (4822 209 63423).
PhilipsFL1.2Picture twists from topVoltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V. Check diode 6451 (BZX79/C5V6; 4822 130 80954).
PhilipsFL1.2Picture twists from topVoltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V. Check diode 6451 (BZX79/C3V6; 5322 130 34834 or BZX79/C10; 4822 130 61219)
PhilipsFL1.2Picture often darkCheck IC7201 in High End-box (SAA9042P/A; 4822 209 31851)
PhilipsFL1.2Picture disappears shortly after 30" or control does not function.When hot, 13,5 MHz clock stops working; change the value of R3123 to 1k2.
PhilipsFL1.2Picture disappears (fly back lines), ON STEREO and DUAL LEDs blinkCheck IC7430 (TDA4680). When TDA4680 is too hot there is no picture (4822 209 31592).
PhilipsFL1.2Overview of SOPS repair kitsOverview of SOPS repair kits ---------------------------- FL1.0 AG00 upto AG03 4822 310 20492 FL1.0 AG04 and higher 4822 310 31921 FL1.1 25" and 28" 4822 310 31919 FL1.1 33" 4822 310 31932 FL1.2 4822 310 31932 FL1.6
PhilipsFL1.2No tuning, set shuts off, no CVBS on pin 23 of the tunerTuner 1160; check/replace.
PhilipsFL1.2No sound, "ON, Standby, I" LEDs blinking10MHz crystal 1602 on the SSP defective, 4822 242 80276



Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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