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There are currently no product reviews.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
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Wanting to repair a neighbours tape recorder I needed the necessary information, it makes it easier. Although the service manual is described as "Language : English" To my dismay I found that it is entirely written in German, a language I do not understand. At least I now have the schematics which will help of sorts. I may not use this service again due to the laguage difficulty after all when it states English you do not expect it to be entirely in another language.
SYSTEM COMPONENTS:
LOW FREQUENCY DRIVER: Cone Kit: Nom. Impedance: Dynamic Test Input V: Sweep Frequency Hz: D.C. Resistance Ohms: LE10A C8RLE10A 8 Ohm 6 20-1200 4.4 minimum 5.0 maximum GaD Gap Guage: .048" Notes: Aquaplas On Cone. PASSIVE RADIATOR: Dome Inverted. Cone Kit: If Not Serviceable, Notes: Replace With: LE1OH-1 If Not Serviceable, Visual Change: Yes Replace With: Baffle Modification: No Visual Change: Exact Acoustic Replacement: No. Baffle Modification: Slightly different. Replace both units Exact Acoustic Replacement: in a stereo pair. Additional Parts Currently Available.: Dome: Dome: 21514 Mounting Gasket: Mounting Gasket: 21770 Trim Gasket: Trim Gasket: 21813
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PR10 CRPR10 Dome Inverted No Replacement Ava iI able N/A N/A N/A 50201 21770 21813
SYSTEM SPECIFICATIONS:
Nominal Impedance: Power Capacity: Crossover Frequency: Enclosure Dim: Shipping Weight: 8 Ohm 30 Watts 2500 Hz 14" x 23-1/2" x 12" D 356mm x 597mm x 305mm 49 Ibs. - 22.2 kg.
HIGH FREQUENCY DRIVER: Diaphragm Kit: Nom. Impedance: Dynamic Test Input V: Sweep Frequency Hz: D.C. Resistance Ohms: Gap Gauge: Notes:
LE20-1 D8RLE20 8 Ohm 6 1000-6000 3.7 minimum 4.2 maximum ..029" Test With Network
'Other parts may also be available. Check with JBL for details.
9/2004 Rev C
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