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A great manual; it contained all the information I required and allowed me to restore the receiver to full working condition!
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Very good expirience with owner-manuals.com.
5 Stars; In future if necessary, i´ll download manuals on this site.
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Hi - happy with what I received but not quite what I wanted - my fault I assumed that service manual would also include operational instructions which is what I needed - all I needed to know was how to turn the radio - thanks
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this Manual very important when i buy this Manual i already fix the trouble of my Camera..... thanks keep up the good work.!
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This service manual helped me to repair my PIONEER. Iam very satisfied, that I found it here.
Even the price of manual was not so high that person would not be able to spend a few money.
But that is very worth spent money. Thanks
RI/RO-189W RI/RO-249W
For RI-189W/RO-189W
CHARACTERISTIC OF TH1 & TH2 K
The room is not cooled at all or not cooled. The compressor does not operate.
180 160 140
Push the button "TEST RUN" on the indoor unit, and wait 3 minutes.
120 100 80
Using a tester, measure voltage at the terminals on the terminal board.
60 40 20 0 -10 0 10 20 Fig. 1
10�C 30K
30 40�C
Is the voltage between terminal "N" and "1" of the terminal board the power supply voltage ?
NO
Replace the PWB ass'y with a new one. YES
Measure resistances of TH1 and TH2.
Are the resistances conformed Fig. 1 ?
NO
YES
Replace the thermistor ass'y with a new one.
The control circuit is normal. The compressor may be defective. The running capacitor may be defective. Refrigerant may be leaked. The outdoor fan motor may be defective. The outdoor fan motor capacitor may be defective.
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