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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.
SECTION 4 ELECTRICAL ADJUSTMENTS
PRECAUTION � Adjustment should be performed in the order given.
AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 455 kHz AM (MW) FREQUENCY COVERAGE ADJUSTMENT (Except CD820L: FR) Adjust for a maximum reading on level meter L4 CT4 530 kHz [526.5 kHz] 1,605 kHz [1,606.5 kHz]
TUNER SECTION
[FM] Setting: Function switch: RADIO BAND switch : FM
FM RF SSG
0 dB=1 µV
0.01 µF 22.5 kHz frequency deviation by 400 Hz signal. Output level: as low as possible FM lead wire antenna terminal
AM (MW) TRACKING ADJUSTMENT (Except CD820L: FR) Adjust for a maximum reading on level meter L1 (CD820) L1-1 (CD820L: AEP, UK) CT3 600 kHz [598.5 kHz] 1,400 kHz [1,399.5 kHz]
[AM (MW) /LW] Setting: Function switch: RADIO BAND switch : MW/LW
AM RF SSG Put the lead-wire antenna close to the set.
LW FREQUENCY COVERAGE ADJUSTMENT (CD820L: FR) Adjust for a maximum reading on level meter L4 CT4 160 kHz 240 kHz
LW TRACKING ADJUSTMENT (CD820L: FR)
30% amplitude modulation by 400 Hz signal. Output level: as low as possible
Adjust for a maximum reading on level meter L1-1 160 kHz CT3 240 kHz
level meter 4� set + � speaker terminal
LW FREQUENCY COVERAGE ADJUSTMENT (CD820L: AEP, UK) Adjust for a maximum reading on level meter CT6 145 kHz
� Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors.
FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L3 CT2 87.5 MHz 108.0 MHz
LW TRACKING ADJUSTMENT (CD820L:AEP, UK) Adjust for a maximum reading on level meter L1-2 CT5 NOTE: [ ] : Italian model � Abbreviation FR : French model 160 kHz 240 kHz
FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L2 CT1 87.5 MHz 108.0 MHz
�9�
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