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Great PDF easy to read good info needed for replacment of belts and assembly and specs.
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complete and unabridged very good quality
easy to download.
recieved in two days.
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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.
TK-2140
ADJUSTMENT
s How to assemble the antenna connector and its terminal.
The antenna connector and its terminal are supplied as separate parts. When replacing the antenna connector and/ or terminal, assemble the parts prior to the replacement. 1. Mount the antenna connector onto the chassis �. � Double-sided adhesive tape is attached to the terminal; peel off the tape cover �. � Attach the terminal to the antenna connector as shown below. � Slide the antenna terminal along the adhesive cushion on the chassis so that the adhesive part on the terminal is firmly attached to the antenna connector �. 2. Remove the antenna connector from the chassis with its terminal attached, then solder the center part of antenna connector to its terminal � . Do not use excessive solder on terminal.
Repair Jig (Chassis)
Use jig (part No.: A10-4060-04) for repairing the TK-2140. Place to TX-RX unit on the jig and fit it with screws. The jig facilitates the voltage check and protects the final amplifier FET when the voltage on the flow side of the TX-RX unit is checked during repairs.
How to Remove the Cable
1. Gently draw out both sides of the connector lever uniformly in the direction of the arrow with tweezers. (CN303, CN304, CN305, CN306)
TOP
Tweezers
Bottom
2 1
2. Gently rise up the connector lever in the direction of the arrow with a fine regular screwdriver or tweezers. (CN301, CN302, CN400)
Regular screwdriver
3 cushion
Flat cable
Lever
4
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