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Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
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Excellent quality on these manuals. Same as having the original printed manual and incredibly useful when doing a custom install like me. Keep it up on the good work.
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This is an excellent information source. Great quality and tons of info regarding technical service for the Technics SH8065.
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5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
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Thank you very much you are helping me a lot with my preferred hobby!!! this manual of an old TV is going to be very helpful!!!!
You are very honest competent great job very clear and well done!!!!
Matteo
MEASUREMENT OF THE MICROWAVE OUTPUT POWER
Microwave output power can be checked by indirectly measuring the temperature rise of a certain amount of water exposed to the microwave as directed below. Procedure 1. Microwave power output measurement is made with the microwave oven supplied at rated voltage and operated at its maximum microwave power setting with a load of 1,000±5cc of potable water. 2. The water is contained in a cylindrical borosilicate glass vessel having a maximum material thickness of 3 mm and an outside diameter of approximately 190 mm. 3. The oven and the empty vessel are at ambient temperature prior to the start of the test. The initial temperature of the water is 10±2�C(50±3.6�F). It is measured immediately before the water is added to the vessel. After addition of the water to the vessel, the load is immediately placed on the center of the shelf which is in the lowest normal position. 4. Microwave power is switched on. 5. Heating time should be exactly 52(800W) and 47(900W) seconds. Heating time is measured while the microwave generator is operating at full power. The filament heat-up time for magnetrons is not included. 6. The initial and final water temperatures are selected so that the maximum defference between the ambient and final water temperature is 5K.
Water Load
Tray
7. The microwave power output P in watts is calculated from the following formula: P = 4187 X � T/t � � T is actual temperature rise. � t is the heating time. The power measured should be 800W±10%(G-36C5) and 900W±10%(G-38C5). CAUTION : 1. Water load should be measured exactly to 1 liters. 2. Input power voltage should be exactly 230 volts as specified. 3. Ambient temperature should be 20±2�C (68±3.6�F)
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