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There are currently no product reviews.
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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.
GM-X942,X742
38
Setting the Unit
Gain Cut Off Frequency Control Power Indicator
sound level too low, even If LPF/HPF select switch is set to The power indicator lights when the volume of the car stereo used along LPF (or HPF), you can select a cut off power is switched on. with this power amplifier is turned up, frequency from 40 to 120 Hz. turn gain control on front of the power amplifier clockwise. If the sound distorts when the volume is turned up, turn the gain control counter-clockwise.
� When using with an RCA equipped car
stereo (standard output of 500 mV), set to the NORMAL position. When using with an RCA equipped Pioneer car stereo with max. output of 4 V or more, adjust level to match the car stereo output level.
Bass Boost Level Control
Bass level control can boost the level around the frequency selected by the bass boost frequency control from 0 to 18 dB. LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch Set LPF/HPF select switch as follows according to the type of speaker that is connected to speaker output connector and the car stereo system: LPF/HPF Select Audio frequency range Speaker Remarks Switch to be output Type
LPF (left) � 40 to 120 Hz Subwoofer Connect a subwoofer. OFF (center) Full range
Bass Boost Frequency Control
HPF (right) 40 120 Hz � Full range Use if you want to cut the
You can select a bass boost frequency very-low-frequency range from 40 to 120 Hz with the bass boost because it is not necessary control. for the speakers you are
� Level Control and Bass Boost using.
Frequency Control can be adjusted only when the LPF/HPF select switch is set to a position other than HPF.
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