[TechAssist] Re: Hitachi 20" Chassis G7XU3

  • From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 19 Aug 2004 23:26:08 -0400

Did a CT2077 a Long Time ago, and Submitted the Tip to Winstips:

Symptom: Dead / Cycling On and Off

Cure: C330 Shorted. Repl Q707 Ecg315, & R730, R731 0.5 Ohms If No Vert Sweep

Not Sure if it helps.


Steve Hearns
Technotronic Dimensions, NY [USA]
WWW.TECHNOTRONIC-DIMENSIONS.COM
1-877-817-9885 (Voice / Fax Toll Free - US Only)


----- Original Message ----- 
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 19, 2004 10:26 PM
Subject: [TechAssist] Re: Hitachi 20" Chassis G7XU3


This is the same as CT2077, CT2079

Jeff
--
Intrepid Video TV/VCR Repair
263 S Front St, Steelton PA 17113
717-939-7708; (F) 717-564-4952
www.intrepid-video.com  www.tech-repair.net
----- Original Message ----- 
From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 19, 2004 3:06 PM
Subject: [TechAssist] Re: Hitachi 20" Chassis G7XU3


Thanks Bob;
Found the problem..D707 opening up under load. Looks like 12
Volt supply. I put in a diode Original 1A2NK..subbed with a NTE116. Runs
pretty warm, but maybe it does. Seem to no other problems. Vertical is
good, regulation is good. So I'll let it run for a couple of hours, and
see what happens.

Thanks.

-Ed-

Tel-Tek Electronics
teltek3@xxxxxxxxxxxx
Ontario-Canada

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Bob@Bobs tv
Sent: Thursday, August 19, 2004 2:13 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Hitachi 20" Chassis G7XU3

Ed,
    I have seen on some Hitachi's they have a pico fuse for the B+ to
the
vert IC.
Bob,

Bobs TV   Worcester, ma

woodman1@xxxxxxxx

Main  508-853-1482
Fax    508-853-1480
----- Original Message ----- 
From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 19, 2004 1:08 PM
Subject: [TechAssist] Re: Hitachi 20" Chassis G7XU3


> Total misdiagnosis on this.
>
> Actually HV is there, if I I advance the screen control, just has a
line
> (no Vertical Deflection..No Sound)
>
> Does that ring a bell.
>
> -Ed-
>
> Tel-Tek Electronics
> teltek3@xxxxxxxxxxxx
> Ontario-Canada
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Tel-Tek
> Electronics
> Sent: Thursday, August 19, 2004 12:55 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Hitachi 20" Chassis G7XU3
>
> This set starts up, and instantly shuts down. You can hear the HV
start.
> I haven't changed the regulator yet, but are there any Caps in this
set
> that will give that symptom.
>
> TIA.
>
> -Ed-
>
> Tel-Tek Electronics
> teltek3@xxxxxxxxxxxx
> Ontario-Canada
>
>
>
>
------------------------------------------------------------------------
> -----
> Lost Password:
> http://www.tech-assist.org  and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
>
>
------------------------------------------------------------------------
--
---
> Lost Password:
> http://www.tech-assist.org  and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>



------------------------------------------------------------------------
-----
Lost Password:
http://www.tech-assist.org  and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/


-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org  and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/



-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org  and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/



-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org  and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/

Other related posts: