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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.
Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
POSSIBLE COMPLAINTS Important, for HR4320/A only. Only the front cover of the HR4320/B version is available. In case the front cover of the HR4320/A version has to be replaced, the pre-filter, item 3, has to be replaced too. 1) The motor makes an irritating noise. Check if :
PARTS LIST HR 4320/A/B POS DESCRIPTION 1 2 3 FRONT COVER HEPA FILTER HR4920 FOAM PRE-FILTER HR4320/A FOAM PRE-FILTER HR4320/B CONTROL PANEL SWITCH KNOB containing : switch knob spring SAFETY LOCK containing : safety lock spring PILOT LAMP 220 - 240 V PILOT LAMP 100 - 127 V containing : lamp lamp cover 8 9 10 SWITCH AIR OUTLET FRONT HOUSING consisting of : front housing hole plug safety grill foot ROTA FILTER FAN containing : fan lock washer washer nut M6 nut cover 13.0 MOTOR 220 - 240 V MOTOR 110 - 120 V MOTOR 100 V 13.1 SET BUFFERS containing: rubber buffers metal bracket bush REAR HOUSING consisting of: rear housing foot REAR COVER 112 3x 113 3x 115 3x 4822 441 11659 14 107 2x 4822 442 00122 12 108 109 110 111 4822 361 10784 4822 361 10785 4822 361 10786 4822 310 10648 10 105 106 2x 107 2x 4822 480 10089 4822 361 10783 5 101 4822 417 11271 6 102 4822 134 10012 4822 134 10013 7 103 4822 273 10304 4822 458 10464 4822 441 11658 SERVICE CODE 4822 442 00121 4822 480 10087 4822 480 10088 4822 480 10116 4822 466 10865 4822 410 10261
â The HEPA filters are positioned properly in the
air cleaner. : â The filters have to be cleaned or replaced. : â The ROTA filter and / or fan have been properly fitted and can be rotated freely by hand. For HR4320/A only. If the motor still makes an irritating noise after the above checks, the AIR CLEANER should be replaced by the HR4320/B. 2) The overheating device comes into operation. Check : If the filters are not blocked and nothing is obstructing the air inlet and air outlet openings. : That the ROTA filter and / or fan have been fitted properly and can be rotated freely by hand.
In case the problem still remains, replace motor (item 13.0) and belonging buffers (item 13.1). MAINTENANCE Pre-filter : Wash or vacuum clean the foam pre-filter at least every 2 months. Fluff and /or hairs can also removed by using a soft brush. Replacement filters of the HR4320/A version are available under service code 4822 480 10088 Replacement filters of the HR4320/B version are available under service code 4822 480 10116 NEVER USE WET FILTERS.
ROTA filter : Wash or vacuum clean the ROTA filter at least every 2 months. If washed with a detergent, rinse the filters with clean warm water and allow the filters to dry in the air thoroughly before reassembly. NEVER USE WET FILTERS. Replacement ROTA filters are available under service code 4822 480 10089 HEPA filter : For a proper operation replace these filters at least every six months. Replacement HEPA filters are available under type number HR 4920 and service code 4822 480 10087.
PARTST, WITH NUMBERS FROM 100 UPWARDS, CANNOT BE ORDERED SEPARATELY.
WHITE LAMP YELLOW RED BLUE BLUE
1 2 3 N
WHITE YELLOW RED BLUE
SLOW MED FAST
THERMAL CUT OUT
PCS 88 610