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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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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.
ICF-C1200
TABLE OF CONTENTS
Specifications ........................................................................... 1 Notes on chip component replacement � Never reuse a disconnected chip component. � Notice that the minus side of a tantalum capacitor may be damaged by heat.
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1. GENERAL ...................................................................... 2 2. DISASSEMBLY
2-1. Main Board ................................................................. 3
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.)
3. ELECTRICAL ADJUSTMENTS
3-1. Tuner Section .............................................................. 4
4. DIAGRAMS
4-1. Explanation of IC Terminals ....................................... 6 4-2. Block Diagram ............................................................ 7 4-3. Printed Wiring Boards � Main Section (1/2) (Side A) � .................................. 8 4-4. Printed Wiring Boards � Main Section (2/2) (Side B) � .................................. 9 4-5. Schematic Diagram ................................................... 10
: LEAD FREE MARK
Unleaded solder has the following characteristics. � Unleaded solder melts at a temperature about 40°C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350°C. Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful! � Strong viscosity Unleaded solder is more viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc. � Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.
5. EXPLODED VIEWS
5-1. Main Section ............................................................. 13
6. ELECTRICAL PARTS LIST ................................... 14
SECTION 1 GENERAL
LOCATION AND FUNCTION OF CONTROLS
This section is extracted from instruction manual.
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