Question about RCA VR646HF VHS VCR
Dear Techs, I have the above mentioned VCR, and I know where the Problem lies. I am an experienced tech. of 32 Yrs.I found 3 bad Caps, two Rectifier Diodes, No Problem with these parts, but I found 2 Shorted Zenner diodes, and I cannot make out the Volt& Wattage on these. And of course all this on the Power supply Board. Do you folks ever send out service literature on Elect.Equipment,? Thanks for your answer. Larry Helton (email@example.com)
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Posted on Jan 02, 2017
SOURCE: Three Problems, Please.
Dear brother Iam also a Technician like u I have also the same dvd player with me with missing IC104 in signal board under the lense mechanism,How ever the problem which u explaind in ur question I think it is problem from the lense,becouse I got so many DVD players (not mentioned player)for the explained symptoms and most of that when I change lense become good.
Dear brother I have a request to that to mail me the IC 104 number in follwing address.noushadkaruvally at yahoo.com
Posted on Feb 05, 2008
Ya rca needs to recall all rca drc8335[tape decks]
I unpluged power to deck [jumper p/s to deck]
use a other vhs deck pluged in avi port
Posted on Aug 17, 2008
SOURCE: VCR POWER ON PROBLEM
On vcr power supplies usually first component to go is a capacitor, check if its blown, or test it if you have a meter capable, next check diodes and resistors, also check the resistors and diodes on all the boards( they may have blown if a cap has blown) If there was smoke or a smell its usually a resistor to look for. When you replace them replace them with a higher votage cap.. Example 15v 1000uF cap with a 25v -35v 1000uF cap( this is just to avoid the problem from happening again.
Posted on Feb 01, 2009
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