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There are currently no product reviews.
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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.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
Setting the Unit
Gain Control Subsonic Select Switch (PRS-X720 and PRS-X320) If the sound level is too low, even when
The subsonic filter cuts inaudible frequencies below 15 Hz to eliminate unwanted vibrations and minimize power loss.
8.1 OPERATIONS
volume of the car stereo used along with this power amplifier is turned up, turn gain control on back 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 ouput level.
Bass Boost Level Control Cut Off Frequency Control
8. OPERATIONS AND SPECIFICATIONS
Bass level control can boost the level around the frequency selected by If the LPF/HPF select switch is set to the bass boost frequency control from 0 LPF (or HPF), you can select a cut off to 18 dB. frequency from 50 to 120 Hz.
Bass Boost Frequency Control (PRS-X720 and PRS-X320) LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
You can select a bass boost frequency from 40 120 Hz with bass boost Set LPF/HPF select switch as follows according to the type of speakcontrol. er that is connected to speaker output connector and the car stereo system: � Level Control and Bass Boost LPF/HPF Select Audio frequency range Speaker Remarks position other than HPF. Switch to be output Type
LPF (left) * � 50 to 120 Hz Sub-woofer Connect a sub-woofer. OFF (center) Full range HPF (right) * 50 120 Hz � Full range Use if you want to cut the Power Indicator very-low-frequency range*
Frequency Control can be adjusted only when the LPF/HPF select switch is set to a
The power indicator lights when the because it is not necessary power is switched on. for the speakers you are
using. * See the �Cut Off Frequency Control� section.
PRS-X720,X320,X220
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