Question about JVC HR-S9900 S-VHS VCR
I have a JVC HR-S9900U VCR and it automatically goes into standby mode after 3 second after I power it on. It stays in standby mode unless I power it up again, but it only stays on for 3 seconds. I have reset it multiple times; unplugged it, waited plugged it in... But it keeps on doing the same thing. Can anyone help?
If this unit shuts down after you turn it on, it is going into stanby because the microprocessor is not seeing the proper pulses from the mode switch. this could be due to an out of time mechanism because of a broken gear, bad mode switch, the loading basket is out of time or broken, or the capstain motor or the cylinlinder motor is not sending the PG and FG pulses to the microprocessor. These can also be due to a power supply voltage missing. You can check the voltages with a service manual and make sure they are not low. You will also need to get the mechanism manual and check the timing of the mechanism. Then check the mode switch you can get a manual from here http://www.servicemanuals.net/results.aspx?brand=15&model=HRS&type=SM&pos=281 Good Luck
Posted on Mar 21, 2007
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Posted on Jan 02, 2017
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