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I was searching a way to modify the original phono-in entry (for connection of vynil disc player, with RIAA equalization) to a line-in entry (for connection of modern analog entries, eg. ipod, mp3player).
This service manual gave me the correct hints.
It contains very useful infos for repairing and modifing the hi-fi, such as disassembling instructions, block diagrams, schematic diagrams, PCB prints, replacement parts list.
Very good!
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Great Job!!! clear and efficient as always!!
it is really nice to have peple that are doing such a good work!!!!!
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I must admit, I was very skeptical... $4.99 for a 74 page service manual. I've seen some very poorly scanned manuals on the Internet, but this one is VERY good quality! Even when zooming into 500%. Great Deal!
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Very good detail, Quick service response. A useful service manual with all details. I recomend this service.
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As Always you can find here manuals even of difficult TV scheme which are scan in almost perfect way.clear and fast!!!!!
Great work thanks!
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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