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- Specifications
- Technology of Digital Power Supply (for USA)
- Block Diagram
- Trigger Instant Start Circuit
- Inverter Circuit
- Adjustment Procedures
- Digital Power Supply (for USA)
- Power Amplifier
- Removal Procedures
- Cabinet
- Front Panel and Chassis
- Rear Panel
- Front Bracket
- Knobs
- Headphones & Speaker Switch (TSC - 121B) PC Board Ass'y
- Loudness Switch PC Board Ass'y
- Volume Bracket
- Power Switch
- Heatsink and Driver Amp. (TXX - 121B) PC Board Ass'y
- Equalizer Amp. (TXX - 163B) & Electronics Switch (TXX - 162B)
- Protector Circuit (TXX - 165 - 2) PC Board Ass'y
- Digital Power Supply (TDC - 31C) PC Board Ass'y (for USA)
- Fuse (F801) (for USA)
- Toroidal Transformer Power Supply (TXX - 203A) PC Board Ass'y
- Fuse (F801, F802, F803)
- Main Parts Location
- Equipped with Digital Power Supply
- Equipped with Toroidal Transformer Power Supply
- Exploded Views and Part Numbers
- Front Panel
- Power IC's
- Power Supply Section
- Rear Panel Section
- Printed Circuit Board Ass'y and Parts List
- TDC - 31 Digital Power Supply PC Board Ass'y
- TDC - 32 Trigger Instant Start PC Board Ass'y
- TSC - 121 Headphones & Speaker Switch PC Board Ass'y
- TXX - 161 AC Outlets, Rectifiers & Terminals PC Board Ass'y
- TXX - 162 Electronic Switch & Pin Jacks PC Board Ass'y
- TXX - 163 Equalizer Amp. & Pin Jacks PC Board Ass'y
- TXX - 164 Tone Controls, LEDs & Muting Switch PC Board Ass'y
- TXX - 165 Driver Amp. & Protector Circuit PC Board Ass'y
- TXX - 166 Power IC's PC Board Ass'y
- TXX - 203A Voltage Selector, Rectifiers & Terminals PC Board Ass'y
- Accessories List
- A - M1 Schematic Diagram
- Packing Materials and Part Numbers
- Parts List with Specified Numbers for Designated Areas
There are currently no product reviews.
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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.
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GOOD SERVICE MANUAL.I ALWAYS BUY THERE IF I FIND WHAT I AM LOKING
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