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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.
D
Vorbereitende Arbeiten
GB
Preparatory steps
Bevor Sie den elektrischen Abgleich durchführen, müssen Sie folgende Vorbereitungen treffen: Höhen - Einstellung ........................................................................ 0 Bass - Einstellung .......................................................................... 0 Fader - Einstellung (nicht Lübeck/Luxembourg) ............................ 0 Balance - Einstellung ..................................................................... 0 Loudness - Einstellung (DSC Menü) .............................. 1 oder OFF
Observe the following preparations before performing the electrical alignment: Treble adjustment .......................................................................... 0 Bass adjustment ............................................................................ 0 Fader adjustment (not Lübeck/Luxembourg) ................................. 0 Balance adjustment ....................................................................... 0 Loudness adjustment (DSC menu) .................................... 1 or OFF
Lautsprecheranschlu�
Der Lautsprecherausgang mu� mit 4 � abgeschlossen sein.
Loudspeaker connections
The loudspeaker output must be terminated with 4 �.
Abgleichhinweise
Wellenbereich: FM = 87,5 MHz - 108,0 MHz (100 kHz automatische Suchlaufschritte) (50 kHz manuelle Suchlaufschritte) MW = 531 kHz - 1602 kHz (9 kHz automatische Suchlaufschritte) (9 kHz manuelle Suchlaufschritte) LW = 153 kHz - 279 kHz (9 kHz automatische Suchlaufschritte) (1 kHz manuelle Suchlaufschritte)
Notes on alignment
Waveband: FM = 87.5 MHz - 108.0 MHz (100 kHz automatic search steps) (50 kHz manual search steps)
MW = 531 kHz - 1602 kHz (9 kHz automatic search steps) (9 kHz manual search steps) LW = 153 kHz - 279 kHz (9 kHz automatic search steps) (1 kHz manual search steps)
Für den Abgleich müssen Sie die Stationstasten mit folgenden Frequenzen programmieren: Taste FM1 MHz MW kHz LW kHz 1 98,1 531 162 2 98,1 558 198 3 98,1 558 198 4 98,1 1521 5 98,1 1602 6 91,1
The station preset push-buttons have to be be programmed for the alignment to the following frequencies : Push-button 1 FM1 MHz MW kHz LW kHz 98.1 531 162 2 98.1 558 198 3 98.1 558 198 4 98.1 1521 5 98.1 1602 6 91.1
AM + FM - Abgleich:
Den AM- und FM-Abgleich müssen Sie durchführen, wenn bei einer Reparatur frequenzbestimmende Bauteile ausgetauscht oder verstellt wurden. Nach Reparatur-/ Abgleicharbeiten müssen die Geräteparameter neu programmiert werden.
AM + FM alignment:
The AM and FM alignment has to be carried out if components that determine the circuit's frequency have been replaced or detuned. After a repair or alignment job the basic parameters of the product have to be reprogrammed.
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Abschirmung
Der HF-Abgleich mu� mit Unterdeckel erfolgen. Hierzu ist es ratsam da� Sie an die Me�punkte Leitungen anzulöten. Führen Sie die Leitungen nach oben oder seitlich aus dem Gerät heraus.
Radio-shielding
The r-f alignment has to be performed with the bottom cover in place. It is advisable to solder wires to the measuring points and provide access from the top of the the main board or out through holes in the side of the frame.
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