[TV] Re: (no subject) zenith PV4655

["lynnslb" <lynnslb@xxxxxxxxxxxxx>]

Sencore made the LC-102 since I did own one. Here is the url:
http://www.sencore.com/products/lc103.htm
Well almost this is a new model that replaced the old unit.
I sold all my test equipment, when I retired. I would say it is a great
unit. You can
buy other units that will check value and ESR, put the Sencore will check
dilectric absorption, and leakage up to 1000 volts. From what I know now I
would probably only buy an ESR meter. Here is a url to one I built.
http://www.anatekcorp.com/testequipment/esr.htm
You might be able to find a kit somewhere else, I built one and it works
great.
They have added protection to the unit which might be worth it. I know that
information is on the same site.
Lynn Moderator on TechAssist.

----- Original Message ----- 
From: "Ming Yu" <yuming@xxxxxxxxxxxxx>
To: <tv@xxxxxxxxxxxxxxx>
Sent: Monday, September 13, 2004 2:57 PM
Subject: [TV] Re: (no subject) zenith PV4655


> Hi, Tech guy, How are you, Please what is LC102? Thank
> you.
> --- Dale Kemp <jdkemp2003@xxxxxxxxx> wrote:
>
> > Here is some info I found at repairworld.com that
> > may help.
> > Just for fun, please include a subject line in your
> > emails.
> > Thanks and good luck,
> > Dale Kemp
> > TELEVISION  zenith  PV4655 LKD  CONVERGENCE
> > ELECTROLYTIC caps blue and black ones dried or leaky
> > used LC102 TO CHECK THEM conv/board is located under
> > neath the speaker gril it has the adjustments on the
> > board
> > TELEVISION  zenith  PV4655 lk9  convergence  replase
> > all blue capacitor on convergence board located on
> > front of tv under neath speaker grill it has the
> > adjustments on the board little blue caps
> > electrolytics.
> > TELEVISION  ZENITH PTV WITH 9-700  PV4655LK9  NO
> > PIX/HORIZ LINE WHEN RAISE G2S  UNPLUG PIP4,(BUS
> > LINE,),(BYPASS PIP (PIP2,PIP2A)
> > TELEVISION  ZENITH  PV4655LK9  INTERMIT. RED
> > OVERDRIVE, PIC BLOOMS WHEN COLD  REPLACE HV
> > SCREEN/FOCUS ASSY, LISTED AS BLEEDER ASSY
> > TELEVISION  ZENITH  PV4655LK9  DEAD  REPLACE Q3405
> > NTE2310 ON 9-628-09 MODULE
> >
> >
> >
> > Projector Zenith PV4655LK9 has small picture.
> > According the tip, the output
> > voltage from switch mode power supply is lower than
> > normal. But I don't have
> > service manual. Can anybody tell the normal voltages
> > accross cap CX3516,CX3517?
> > Thank you!
> >
> >
> >
> > gzeng398 Posted: May 16 2001, 05:04 PM
> >
> >
> >
> > Guangyao Zeng
> >
> >
> > Group: Members
> > Posts: 58
> > Member No.: 6494
> > Joined: 5-February 01
> >
> >
> >
> >  Re: Projector Zenith PV4655LK9 -- Small picture'
> >
> > '"Gavin" wrote:
> > >
> > >Projector Zenith PV4655LK9 has small picture.
> > According the tip, the output
> > >voltage from switch mode power supply is lower than
> > normal. But I don't
> > have
> > >service manual. Can anybody tell the normal
> > voltages accross cap CX3516,CX3517?
> > >Thank you!
> > Voltage accross CX3516 and CX3517 is 129V. Is it
> > normal?
> >
>
============================================================================
=====
> >
> >
> >  Logged in as: dkemp493 ( Your Control Panel | Log
> > Out | 0 new messages )  HOME |  Search |  Help
> >
> >
> >  Forums Home ->Expert Help ->Television and TV/VCR
> > Combo Units Repair Forum
> >
> >  Zenith Projection, Model PV4655BG9
> >
> > « Next Oldest | Next Newest » Track this topic |
> > Email this topic | Print this topic
> >
> > khadra68 Posted: Mar 10 2004, 04:48 PM
> >
> >
> >
> > Kinda Electronics
> >
> >
> > Group: Members
> > Posts: 125
> > Member No.: 8700
> > Joined: 27-June 03
> >
> >
> >
> >  I'm working on a Zenith model PV4655BG9 with the
> > 9-700 digital board. The set came on with no pic and
> > no sound. Turning up the G2s revealed vertical
> > collapse. Replacing vert. out and capacitors has no
> > effect and the output has 24 and 12v supplies. could
> > the problem be with the 9-700 and if so, any guesses
> > as to what it might be? any help is greatly
> > appreciated.
> >
> > thanks,
> >
> > jason
> >
> > --------------------
> >
> >
> >
> > jfitz768 Posted: Mar 11 2004, 12:05 AM
> >
> >
> >
> > James Fitzsimmons
> >
> >
> > Group: Members
> > Posts: 332
> > Member No.: 8357
> > Joined: 12-March 03
> >
> >
> >
> >  Is this a total flat line or very small vertical
> > deflection?I had some back in the day that had
> > corrupted vertical parameters in the eprom.Some only
> > had 3 inches of vertical deflection which I could
> > only see by turning up the screen control.Punched in
> > numbers directly from service data for vertical
> > height and increased until it came up.If you have a
> > total flatline I would check to see if you have a
> > ramp waveform on the connector feeding drive from
> > the 9-700 to the deflection board and try the
> > vertical parameter.Don't remember what parameter no.
> > was for vert height but service mode access is hold
> > down menu until menu disappears(Since you can't see
> > it at least 30 seconds)9-8-7-6-enter.You will need
> > the parameter no. which I can look up if no one else
> > finds it since you can't see the menu(raster is
> > totally blanked until you get sufficient
> > deflection).Never had too many problems with the
> > 9-700 itself just bad connections at the regulator
> > transistors on the side and an occasiona!
> >  l bad
> >  tuner.Only chip that I had to replace on them was
> > one of the sound ics,never the deflection ic on
> > it.The 9-700 only comes with the soldered on
> > ics.Doesn't come with any of the plug ins.
> >
> >
> >
> > 25495627 Posted: Mar 11 2004, 12:23 AM
> >
> >
> >
> > John Rudasill
> >
> >
> > Group: Members
> > Posts: 209
> > Member No.: 4037
> > Joined: 10-August 98
> >
> >
> >
> >  On the 700 board - IC2701 is the DPU deflection
> > processor unit. Vert driver comes from junction of
> > R2707 and R2708 (from pins 26 and 27), goes thru
> > C2103 into base of Q2100, out emitter via L2101 to
> > connector 4K3 pin1, and over to deflection board.
> > IC2701 is Zenith number 221-563, in stock at $14.52
> > dealer.
> >
> > --------------------
> > John Rudasill Electronics Service
> > Servicing Central PA for 38 Years
> >
> >
> >
> > khadra68 Posted: Mar 16 2004, 03:56 PM
> >
> >
> >
> > Kinda Electronics
> >
> >
> > Group: Members
> > Posts: 125
> > Member No.: 8700
> > Joined: 27-June 03
> >
> >
> >
> >  thanks for the tips.. so far i have been unabale to
> > utilize the service menu. the set has about 3-4" of
> > vertical deflection for about 10 seconds before it
> > slowly goes to flat line. i don't have a manual for
> > service parameters so if anyone knows which one is
> > vertical height, it would be very helpful. thanks
> >
> === message truncated ===
>
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