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Jvc vcr/dvd recoroder dr-mvis

Unable to power up

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Re: jvc vcr/dvd recoroder dr-mvis

No power, No Display - test voltages on secondary side of transformer were pulsating
Check diodes 6230, 6240, 6210. They are BYW98 Rectifiers, in my case it was s/c. Thanks to Sparky for similar tip - Philips CD Model: CDR770/00
No power and no output
Replace C6 with 4.7uF, 250v
No power, voltages on secondary side of chopper were very low and pulsating
Check diode 6230. It's a BYW98, in my case it was s/c. Note: it's the rectifier for the 14v line
Dead, no power up on pin 2 of ic601
Replace x601 on main processor ic601
(Brko) Toshiba DVD Model: SD-1750 / SD-2800
No sound
Replaced C927 / C928
No power, No Display - test voltages on secondary side of transformer were pulsating
Check diodes 6230, 6240, 6210. They are BYW98 Rectifiers, in my case it was s/c. Thanks to Sparky for similar tip - Philips CD Model: CDR770/00

Posted on Nov 26, 2007

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