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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.
1pin
2-8pin J2
FEB3 9-14pin Sensor board
CNPOW
J1
34
9. Wiring diagram
Wiring for Circuit Power Supply and Ballast Power Supply Boards
Wiring for Circuit Power Supply Board (1) Keep a record of the circuit power supply lot number in the 100% inspection record. (2) Connect the TSW. (3) Install the FEB3. (4) Connect the CNPOW. (5) Connect the CNTH. (6) Apply the TAP3. CN104 CN102 CN101 TSW Pass the leads through the board holder notch. Connect the CNPWR to connector J1 then make sure that the CNPWR is completely locked. Connect the FEB3 (ferrite core) to pins 2-8 of the CNPOW. Make sure that the CN102 and the CN104 have been securely connected (since they cannot be checked in subsequent processes). Install the sensor board after completing the following steps: Connect the CNTH to connector E950 on the sensor board. E950 Sensor board Make sure that connector E950 has been securely connected then apply the TAP3 (to prevent detachment). Perforation Cut off the sheet by bending it back and forth 2 or 3 times. Wiring for Ballast Power Supply Board (1) Keep a record of the ballast power supply lot number in the 100% inspection record. (2) Cut off the PVC sheet. (3) Connect the CNPWR. (4) Install the FEB2. (5) Connect the CNBAR. (6) Install the ballast shield (in accordance with the general assembly drawing). Connect the FEB2 (ferrite core) to the CNPWR then move the CNPWR to the connector as illustrated below: FEB2
CNPWR
CNBAR
Connect the CNBAR to connector J2, while holding down the small board mounted with the J2 (to prevent stress on the small board).
Cut off the PVC sheet by bending it back and forth 2 or 3 times with your hand, while holding down the double-coated adhesive tape affixed to the igniter transformer so the tape cannot come off. Igniter transformer
CNTH
TAP3
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