Electronics Lab Philippines

JVC rx-6500vbk

Offline eric24

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JVC rx-6500vbk
« on: August 15, 2020, 04:47:02 PM »
mga sir hingi lang po ako opinyon nyo problema kasi nyan no power 110v naisaksak sa 220v palit lang fuse ok na, kaso weak audio nya left/right channel tapos overload problem pag nasa 30 na volume nya, napansin ko lang mabilis uminit yung heatsink. nacheck ko na din dc offset ok naman, power transistor na kaya problema nung unit? salamat po sasagot

Offline danny

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Re: JVC rx-6500vbk
« Reply #1 on: August 15, 2020, 06:05:07 PM »
pag mabilis uminit
possible na nasa bias circuit issue mo
kung may variac ka, gamitan mo siya
para nde ka maputukan ng output
run mo siya sa lower voltage then look for the current sa meter ng variac mo

Offline eric24

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Re: JVC rx-6500vbk
« Reply #2 on: August 15, 2020, 08:01:48 PM »
gud pm sir, wala akong variac dito try ko muna magpalit ng mga transistor

Offline danny

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Re: JVC rx-6500vbk
« Reply #3 on: August 16, 2020, 07:58:59 AM »
alamin mo lang kung anong channel ang nag iinit or yung may issue
may service manual ka na ba?

Offline eric24

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Re: JVC rx-6500vbk
« Reply #4 on: August 16, 2020, 10:05:54 AM »
alamin mo lang kung anong channel ang nag iinit or yung may issue
may service manual ka na ba?

parehas may problema sir, mahina audio halos hindi marinig pag umabot na ng 30 yung volume mag standby na yung unit. meron nako sir service manual problema ko lang walang available na pyesa

Offline danny

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Re: JVC rx-6500vbk
« Reply #5 on: August 16, 2020, 01:12:04 PM »
ok...update mo nalang kami dito.
thanks