Aiwa TV Repair: Common Faults and Solutions.


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Search: Aiwa
Results: 309

Aiwa Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
AIWANSX-SZ510
Red LED doesn't turn onAltered q-130samuel leite
SOM AIWA CX-ZM2800HR
Does not turn on, display is off.Fusistor in position r998 and r999 open, and damaged audio output stk-419-130Audio output, and fuses r998 and r999.MARCONES DE ARARIPINA-PE
AIWACX-NS303LH
When you press the power key, it turns on and quickly returns to the demo screen.Power push-button key with internal recess.The ideal would be to replace it, but I didn't have one, so I decided to open it and sand the dirt with tweezers. (tec.edfesom varjota-ce)Edfesom
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Disarms when turning on the on/off buttonCheck protection circuit. excess current detector (q213 and q214). dc detector in the intermediate stage (q106 and q107). ac voltage failure detector (q108 and q109).Eduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Disarms when turning on the on/off buttonCheck resistors r287 and r288 (SMD 39ω) and r215, r216, r291, r292 (SMD 100ω)Eduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Disarms when turning on the on/off buttonCheck that the protection terminal has a voltage of 4 voltsEduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Disarms when turning on the on/off buttonCheck that transistors q101 and q102 have 12 volts on the side plate (standby voltage)Eduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Output burnt out or device does not turn on.Check the output transistors (they are shorted), check the polarization diodes and the 0.15 ω/2watt resistors connected to the emittersEduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Output burnt out or device does not turn on.Check fets q219 and q220 (2sk2723) can be replaced by buk444-500Eduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Output burnt out or device does not turn on.Check pr201, pr 202 (side plate resistors)Eduardo Marques
AIWANSX-S70, NSX-A74, NSX-S90, NSX-S74, NSX-F9, NSX-F12, NSX-F15, Z-R710, Z-R800, Z-R900
Output burnt out or device does not turn on.Check pr001, pr002, pr005 and pr006 (transformer board fuses)Eduardo Marques
AIWACX-NF15LH
When turning on the LEDs on the CD's optical drive and the dek's forward indication flashes < < > > they light up but nothing worksDefective components?Raimundo
AIWATODOS
No sound even with the outputs okHeadphone jackClean with contact cleanerGenilson
AIWANSX-F9
FM with very low levelTuning coil next to ic770 (la1837)Roger Rodrigues
AIWACX-NSZ50LH
Does not leave stand bayCrystal behind the display or transistor behind the display, just change and finisheletronica publisom rgn tec jorge alves
AIWANSX-S229
Hoarse sound and does not arm the relayTransistor q112 openmultsom
AIWANSX-F969
It turns on the panel and turns it off, and sometimes it doesn't even light the panel.Check q224 fet 2sk 2937 which may be faulty.I replaced it and it stopped turning off and it worked normally, good luck to everyone,Eronaldo (erontec)
AIWANSX-F969
It turns on but the tuning doesn't stop, just press the tuning to stop.Adjust coil l771When adjusting, the tuning was normal, good luck, (erontec).Eronaldo (erontec)
AIWA NSX
Didn't careWith a screwdriver short the q115 terminal 3 between base and collectorWent back to workgustavo
AIWANSX F959
No high-pitched sound (high output)Q102 (can be jumpered - tsound is already a place on the board next to a jumper/resistor) and q103 (can be left without)Baguatech