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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.
7. POWER BOARD
A. Description
There are three kind of circuits in this power board-AC/AC, inverter and audio
B. Electrical characteristics
B-1 FOR HANNSTAR PANEL
MIN. INPUT VOLTAGE INPUT CURRENT BACKLIGHT VOLTAGE LAMP CURRENT DRIVING FREQUENCY EFFICIENCY Operating Life Time 11.4V -------684Vrms 3mA rms. 40KHz -------40,000 TYP. 12V 1A 760V rms. 6mA rms. 55KHz 75% ------MAX. 13.8V 1.2A -------7mArms 80KHz --------------Vin = 12V Hours (note) Vin=12V MAX. BRIGHTNESS COMMENT
Note: Life time(Hr) can be defined as the time in which it continues to operate under the condition: Ta=25±3°C, IL=6.0mA B-2 For AU panel
MIN. INPUT VOLTAGE INPUT CURRENT BACKLIGHT VOLTAGE LAMP CURRENT DRIVING FREQUENCY EFFICIENCY Operating Life Time 3mA rms. 40KHz -------30,000 11.4V -------TYP. 12V 1A 630V rms. 6.5mA rms. 55KHz 75% ------MAX. 13.8V 1.2A 690Vrms 8mArms 60KHz --------------Vin = 12V Hours (note) Vin=12V MAX. BRIGHTNESS COMMENT
Note: Life time(Hr) can be defined as the time in which it continues to operate under the condition: Ta=25±3°C, IL=8.0mA
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