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I bought the service-manual of the sony ICB-1020(an old transmitter-receiver) at "www.Owners-Manual.com", I found the service-manual for a fairly cheap price(in comparison with other sellers). I filled in some questions, payed the order with Ideal, and within 24 hours I had my service manual. I was very happy:In no time I had my service-manual and everything, but literally everything was noted down in the manual; the electronic scheme, the parts list, etcetera.
A very practical, reference-document.
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This comprehesive service maual was greatly appreciated, as was the digital download.
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Good en helpfull black and white scanned Srfvice manual of the Philps D8444. Quick service and delivery
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Scan was really good quality, easy to read, download easy
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very good manual as always. easy to read, detailed and includes schematic
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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