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Aiwa Repair Tips




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Search: aiwa
Results: 312
Make Model Symptom Problem Solution By
AIWA Z-R990
I'm sound Resistor 105 changed, no voltage on the hold sw line. Replaced the resistor, sound worked normally. Mac
AIWA NSX-F15
Scrambled display The voltage at q351 was wrong, it should be -30v at the emitter and it was 1.7v, I replaced it and it resolved it! Robsonbis
AIWA NSX-F15
Does not turn on, LEDs blink I resoldered crystal below the first display on the right. Top Consertos
AIWA NSX-SZ510
Red LED doesn't turn on Altered q-130 samuel leite
SOM AIWA CX-ZM2800HR
Does not turn on, display is off. Fusistor in position r998 and r999 open, and damaged audio output stk-419-130 Audio output, and fuses r998 and r999. MARCONES DE ARARIPINA-PE
AIWA CX-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
AIWA NSX-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 button Check 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
AIWA NSX-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 button Check resistors r287 and r288 (SMD 39ω) and r215, r216, r291, r292 (SMD 100ω) Eduardo Marques
AIWA NSX-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 button Check that the protection terminal has a voltage of 4 volts Eduardo Marques
AIWA NSX-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 button Check that transistors q101 and q102 have 12 volts on the side plate (standby voltage) Eduardo Marques
AIWA NSX-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 emitters Eduardo Marques
AIWA NSX-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 buk444-500 Eduardo Marques
AIWA NSX-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
AIWA NSX-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
AIWA CX-NF15LH
When turning on the LEDs on the CD's optical drive and the dek's forward indication flashes < < > > they light up but nothing works Defective components ? Raimundo
AIWA TODOS
No sound even with the outputs ok Headphone jack Clean with contact cleaner Genilson
AIWA NSX-F9
FM with very low level Tuning coil next to ic770 (la1837) Roger Rodrigues
AIWA CX-NSZ50LH
Does not leave stand bay Crystal behind the display or transistor behind the display, just change and finish eletronica publisom rgn tec jorge alves
AIWA NSX-S229
Hoarse sound and does not arm the relay Transistor q112 open multsom
AIWA NSX-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)