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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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Received via e-mail this PDF manual is worth the money. This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand. I have later seen the original manual and it was printed in colour, but this particular manual is black & white but scan resolution is high end quality! All drawings and pictures are presented in great detail. So, nearly perfect score in my opinion.
If you own the turntable you also should own the manual!
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I was very satisfied with the service manual I ordered and downloaded. I will definitely buy again from this seller.
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Great product. Recieved it fast...exactly as advertised.
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Manuals were delivered promptly and were correct as advertised. No issues with the download link which was provided promptly after everything was processed. Very pleasant experience
DV-502/503/DVF-3050/3550
CIRCUIT DESCRIPTION
2-4 DC Motor Driver : KA8082(ICM21)
Pin No. 1 2 3 4 5 6 7 8 Pin Name GND VO1 VCTL VIN1 VIN2 SVCC PVCC VO2 I/O O I I I O Description Ground Output 1 Motor speed control Input 1 Input 2 Supply voltage (Signal) Supply voltage (Power) Output 2
GND 1 DRIVER OUT VO1 2 PRE DRIVER VCTL 3 TSD LOGIC SWITCH VIN1 4 5 VIN2 BIAS 6 SVCC 7 PVCC 8 V02
Internal Block Diagram
2-5 HEX Inverter (Single Stage) : M74HCU04(IC501)
Pin No. 1,3,5,9 11,13 2,4,6,8 10,12 7 14 Pin Name A0 to A5 Q0 to Q5 GND VCC I/O I O Description Data Inputs Data Outputs Ground Positive Supply Voltage
Truth Table A L H Q H L
2-6 Flash Memory : M29W800AT(IC401)
Pin No. 25, 24~16, 8~1 29,31,33,35 38,40,42,44 30,32,34,36 39,41,43 45 26 28 11 12 15 47 37 27,46 Pin Name A0~A18 DQ0~DQ7 DQ8~DQ14 DQ15 CE QE WE RP RY/BY BYTE VCC VSS I/O I I/O I/O I/O O Description Address Inputs Data Input/Outputs, Command Inputs Data Input/Outputs Data Input/Outputs or Address input Chip Enable Output Enable Write Enable Reset/Block Temporary Unprotect Ready/Busy/Output Byte/Word Organization Supply Voltage Ground
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