[TechAssist] Re: RCA CC030 video camera
- From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 25 Feb 2002 10:32:42 -0500
Same problems in camcorders. Capacitors dont have to be shorted to cause
problems. They can have high ESR from the electrolyte drying out. They can
be leaking the electrolyte out onto the circuit board.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "tvrepair" <tvrepair@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Cc: <techassist@xxxxxxxxxxxxx>; <Techassist@xxxxxxxxxxxxx>
Sent: Sunday, February 24, 2002 7:49 PM
Subject: [TechAssist] RCA CC030 video camera
>
> Thats it. Found it. There is a 5V regulator inside a small can 1.
> 5" X .5" X .25". First I noted that there was no 5V comming out like
> marked on ckt board. Jury rigged my own 5V regulator and the beast
> fired up.
>
> Took the can apart and found a small ckt board that is a 5V regulator.
> Sure enough 10V 220uf cap was a dead short!
>
> The can was soldered. Used soldering gun, moved tip up and down the
> joint on each side while sucking away with my blue solder sucker.
> Painful, but it worked.
>
> Thanks folks
> tvrepair@ cassbeth.com
>
>
> At Friday, 15 February 2002, "J Silverman" <greentron@xxxxxxxxxxxxx
> net> wrote:
>
> >I suggest you start with the electrolytic capacitors at the DC/DC
> converter.
> >If you have a circuit diagram look for shorts on the various power
> >distribution traces. If you do have a short, it will probably turn
> out to be
> >an electrolytic capacitor. The capacitors in the DC/DC converter
> do not have
> >to be shorted to cause a problem.
> >Jerry Silverman
> >Greentron Inc
> >4 Newland Ave
> >Greenville SC 29609
> >864 232 3889
> >Fax 271 2080
> >mailto:greentron@xxxxxxx
> >----- Original Message -----
> >From: "tvrepair" <tvrepair@xxxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Cc: <Techassist@xxxxxxxxxxxxx>
> >Sent: Friday, February 15, 2002 8:21 AM
> >Subject: [TechAssist] Re: RCA CC030 video camera
> >
> >>
> >> Well, finally got the lens assembly apart. Everything looks ok. Yes,
> >> the motors are stepper motors.
> >>
> >> Unit still does not work with motors unplugged, tried that after
> >> the disassembly, oh well :(
> >>
> >> Guess I have to start hunting for bad cap or diode. Lots of surface
> >> mount chips, which I can't do :(
> >>
> >> Thanks
> >> tvrepair@xxxxxxxxxxxx
> >>
> >> At Thursday, 14 February 2002, "J Silverman" <greentron@worldnet.
> >> att.net> wrote:
> >>
> >> >The lense does not unscrew.I suggested unplugging the EFV to see
> >> if the high
> >> >current drawn could be due to a fault in the EVF.
> >> >As I recall, the lense motors are stepping motors with magnetic
> >> detents so
> >> >dont expect them to turn smoothly or easily.
> >> >Jerry Silverman
> >> >Greentron Inc
> >> >4 Newland Ave
> >> >Greenville SC 29609
> >> >864 232 3889
> >> >Fax 271 2080
> >> >mailto:greentron@xxxxxxx
> >> >----- Original Message -----
> >> >From: "tvrepair" <tvrepair@xxxxxxxxxxxx>
> >> >To: <techassist@xxxxxxxxxxxxx>
> >> >Cc: <techassist@xxxxxxxxxxxxx>
> >> >Sent: Thursday, February 14, 2002 6:58 PM
> >> >Subject: [TechAssist] Re: RCA CC030 video camera
> >> >
> >> >>
> >> >> Having a problem unscrewing the 4 small screws at the front
> end where
> >> >> the lens sits.
> >> >>
> >> >> Does the front lens unscrew, tried a bit of muscle, but afraid
> lens
> >> >> does not unscrew...
> >> >>
> >> >> Will attempt to get a better set of jewelers screw drivers if the
> >> >> lens does not unscrew.
> >> >>
> >> >> Thought about unplugging EVF (motors) but forgot and took the
> beast
> >> >> apart :(
> >> >>
> >> >> Now I want to get in and just check it out :)
> >> >>
> >> >> Thanks
> >> >> tvrepair@xxxxxxxxxxxx
> >> >>
> >> >> At Thursday, 14 February 2002, "Technical Workshop" <techs@telecom.
>
> >> >> co.ck> wrote:
> >> >>
> >> >> >it seems the motor has frooze thats why the fuse blown.
> >> >> >take the cover of with the screws at the bottom and slit the
> cover
> >> >> side =
> >> >> >way watch out for the button on the side and the ribbon cable.
> >> excess =
> >> >> >the front of the camera towards the lense.
> >> >> >try and manually turn the motor if it hard add little oil
> to the =
> >> >> >structure by damping a cloth with little oil and wipe.
> >> >> >DO NOT squid the oil.
> >> >> >
> >> >> >-----Original Message-----
> >> >> >From: tvrepair [mailto:tvrepair@xxxxxxxxxxxx]
> >> >> >Sent: Thursday, 14 February 2002 07:03
> >> >> >To: techassist@xxxxxxxxxxxxx
> >> >> >Subject: [TechAssist] RCA CC030 video camera
> >> >> >
> >> >> >Have an RCA CC030 video camera that keeps blowing fuses.
Bypassed=20
> >> >> >fuse and audio works, color view finder lights up, but no
> picture,
> >> >> >thin lines on bottom. Normally when camera powers up focus
> motors=20
> >> >> >run and you can hear them. Can't hear the focus motors running.
> >> >> There=20
> >> >> >is an internal relay that flips whenever camera is given power =
> >> >> >regardless=20
> >> >> >of on/off switch. It should only flip when swicth is on.
> >> >> >
> >> >> >My thinking is focus motor(s) are frozen. Before I take the
> beast=20
> >> >> >apart, any suggestions?
> >> >> >
> >> >> >Also could use advise on taking lens / focus motors / CCD apart?
> >> >> >
> >> >> >Camera worked prior to sitting for a long time (2 years).
> >> >> >
> >> >> >thanks
> >> >> >tvrepair@xxxxxxxxxxxx
> >> >> >
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