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Quick site processing. A complete and very useful manual with all details. Thank you!
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Quick service response. A useful and very rare service manual with all details. I recomend this service.
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This is a fantastically good and properly scanned copy of the original manual. All pages are of the same scale and they overlap each other. It means that you can print the manual and easily make it as a convenient paper manual.
The content of the manual is fantastic. Alignment descriptions, PCB layouts and elementary diagrams are explicit and precise. I immediately found what I was looking for. Thanks to this manual and Owner-Manuals.com my amplifier is alive again. Many thanx indded!
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The manual was well-scanned and easy to read. As an added bonus, the Operator's Manual was bundled with the Service Manual!
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Finally, i found one website, where i can download this service manual , and fix my hifi. The service manual is very good, and easy to download and to print.
GM-X924/X1R/EW
Setting the Unit
Gain Control
Adjusting the gain controls A and B will help match the output of the car stereo to the Pioneer amplifier. Normally, set the switch to the �NORMAL� position. If the output is low, even when the volume of the car stereo is turned up, turn these controls clockwise. If there is distortion when the volume of the car stereo is turned up, turn these controls counter-clockwise.
� If you only use one input plug, set the gain controls for speaker outputs A and B to the same position. � 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. � Adjust the gain control to the �MIN� side of �NORMAL� when this amplifier is connected to a Pioneer car stereo (High voltage output type).
Cut Off Frequency Control
If the LPF/HPF select switch is set to LPF or HPF, you can select a cut off frequency from 50 to 120 Hz.
Power Indicator
The power indicator lights when the power is switched on.
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an AM broadcast with your car stereo, change the BFC switch using a small screwdriver.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system: LPF/HPF Select Switch
LPF (Left) OFF (Center) HPF (Right)
GM-X1024,GM-X924
Audio frequency range to be output
� 50 to 120 Hz Full range 50 to 120 Hz �
Speaker Type
Sub-woofer Full range Full range
Remarks
Connect a sub-woofer. Use if you want to cut the very-low-frequency range because it is not necessary for the speakers you are using.
RCA Input Select Switch
For two-channel input, slide this switch to the left. For four-channel input, slide this switch to the right.
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