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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
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When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
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I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid.
I would highly recommend these to my friends.
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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
Power Indicator Gain Control
8.2 OPERATIONS
If sound level is too low, even The power indicator lights when the volume of the car stereo used along power is switched on. 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.
� Set the gain control to �NORMAL� when
this amplifier is connected to a Pioneer car stereo with RCA output jacks. If the sound level is too low or distorts, adjust the gain control.
GM-X622,GM-X522
� If you hear much noise when using the
speaker input terminals, turn the gain control clockwise. Cut Off Frequency Control
� Adjust gain control to the �MIN� side
of �NORMAL� when this amplifier If the LPF/HPF select switch is set to connected to Pioneer car stereo (High LPF or HPF, you can select a cut off voltage output type). frequency from 50 to 120 Hz.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch Bass Boost Level Control
Set LPF/HPF select switch as follows according to the type of Bass level control can boost the that is connected to speaker output connector and the car level around the frequency selected by stereo system: the bass boost frequency control from 0 LPF/HPF Select Audio frequency range Speaker Remarks Switch to be output Type
LPF (left) * � 50 to 120 Hz Sub-woofer Connect a sub-woofer. OFF (center) Full range
to 12 dB.
Bass Boost Frequency Control
You can select a bass boost frequency HPF (right) * 50 120 Hz � Full range Use if you want to cut the from 40 to 120 Hz with the bass boost very-low-frequency range* control. because it is not necessary
� Level Control and Bass Boost for the speakers you are Frequency Control can be adjusted only using. when the LPF/HPF select switch is set to a position other than HPF.
* See the �Cut Off Frequency Control� section.
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