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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
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I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
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Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
AY-AP18CE AH-AP18CE AE-A18CE AU-A18CE
AY-AP24CE AH-AP24CE AE-A24CE AU-A24CE
4.
Hot-Keep This function automatically controls the on-off operation of the indoor fan motor in accordance during the heating operation, thereby preventing the air conditioner from delivering a cold air when the compressor is off. When the room temperature exceeds the thermostat line �H1�, the compressor is turned off, and the indoor fan motor is turned off after rotating at �HUL� for 30 seconds. 3 minutes and 10 seconds after turning off the compressor, the indoor fan motor is turned on for 3 minutes and 20 seconds. At 10 seconds after turning on the compressor, the indoor fan motor is turned on. The next compressor OFF time is for 3, 8 or more than 8 minutes according to the room temperature (the time increases with a rise of room temperature) when 3 minutes elapse after turning on the compessor.
3 min. Compressor ON 3 min.
6. Overheating protection system When overloading occurs during the heating operation, this system controls the outdoor fan motor according to the indoor pipe temperature to prevent the overloading of the compressor and restrain the rise in high pressure. When the indoor pipe temperature exceeds U1�C, the outdoor fan motor is turned off, and when the indoor pipe temperature falls U2�C, the outdoor fan motor turns on.
OFF U1 ON
U2
U1 and U2 are defferent by the time. 1 within 3 minutes 3 over 3 minutes
Figure Y-9 Table Y-3
OFF Indoor fan motor ON OFF
30sec. 30sec.
HUL
HUL
MODELS
Fan LIne U1
HH 1 2 54�C 54�C 52�C 53�C 54�C 54�C
HAH
HM 2 53�C 52�C 53�C 52�C
1 2 1 54�C 54�C 53�C 52�C 53�C 51�C 54�C 54�C 53�C 52�C 53�C 51�C HL
Thermo off
10sec.
time
10sec.
U2 U1
Figure Y-7 5. Preheat air flow This function is intended to prevent cold air from being discharged when the heating operation starts or when defrosting. When the indoor pipe temperature is below 29�C at the begining of the heat operation or after defrosting, the indoor fan motor stays. When the indoor pipe temperature gets higher than 29�C, the fan motor is turned on at speed �HUL� after compensation of starting. When the indoor pipe temperature exceeds 35�C, the specified fan speed is restored. When the indoor pipe temperature falls below 30�C, the fan speed shifts down to "HUL". And, when the indoor pipe temperature falls below 23�C, the fan motor turns off. Then, over 29�C , it turns on again at speed �HUL�.
35
U2 MODELS Fan LIne U1 U2 U1 U2
52�C 53�C HAL 1 2 52�C 52�C 50�C 51�C 52�C 52�C 50�C 51�C
HUL 2 52�C 51�C 52�C 51�C
1 2 1 52�C 52�C 52�C 50�C 51�C 50�C 52�C 52�C 52�C 50�C 51�C 50�C
30 29 24
Pipe temperature(�C)
OFF
UL
Preset Fan speed
UL
OFF UL
Figure Y-8
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