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An excellent document to assist in the repair of my old personal tape player. It includes full circuit diagrams and physical layout drawings and full instructions on disassembly and fault finding.
Well worth the meagre price.
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Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
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Good-quality scans. Detailed description. I hope I can repair the machine.
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High-quality scanning. Detailed description. Recommend for all technician. A+++
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This is a good quality scan of the original Service Manual from Nordmende, Germany. Contains the circuit diagram, PCB layout, adjust/tune instructions as well. It is NOT in English but in GERMAN language! That was quite right for my german friend from the lower east side in Berlin.
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8. OPERATIONS (GM-3100T/XU/EW)
1
1
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the BFC switch using a small standard tip screwdriver. Power Indicator
The power indicator lights when the power is switched on.
2
2
Gain Control
GM-3100T/XU/EW
If the sound level is too low, even when volume of the car stereo used along with this power amplifier is turned up, 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 3
3
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.
� If you hear too much noise when using the
LPF (Low-Pass Filter) Select Switch speaker input terminals, turn the gain
Set LPF select switch as follows according type of speaker that is connected to the speaker output connector and the car stereo system: LPF Select Audio frequency range Speaker Remarks Switch to be output Type
4 LPF (right) Very Low Frequency range Subwoofer Connect a subwoofer. OFF (left) Full range
control counter-clockwise.
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