[TechAssist] Re: Sanyo DS19204 no vert
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 10 Sep 2005 08:57:59 -0400
Chip Quik work great.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Electric Medic" <info@xxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, September 10, 2005 12:26 AM
Subject: [TechAssist] Re: Sanyo DS19204 no vert
> John: I have to ask. How long did it take to remove install a 80 pin
> surface
> mount. Man that must have been time consuming. Did it remove and install
> and
> not pull up any runs? Also do you have a special machine to remove and
> install. All I have is my 60 watt Weller. I don't think I could handle
> that
> 80 pin. I do the small ones. Looks like I am going to have to get a
> station
> to remove and install them soon with the different heads. Pace wants 2K
> for
> one. Many micros and now even jungles are that big now. Good topic to see
> how most of you handle these? Comments?
>
> Perry Bower
> Electric Medic
> "It's Cheaper to Keep Her"
> http://www.electricmedic.com
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> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of John Mielke
> Sent: Friday, September 09, 2005 7:58 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Sanyo DS19204 no vert
>
>
> I just had a DS25204-01 (similar or same?) that had no vertical
> deflection.
> It turned out to be IC101 LA76843N, a 80 pin surface mount. Apparently
> this
> is a common problem, we had to wait about 2 - 3 months for the chip. I
> don't
> think it was expensive. Sorry, I do not have a schematic for either
> model.
> The vertical out on IC101 is on pin 26. The DS25204 is very similar to
> DS25320 in Sams 4801 except the DS25204 gets it's vetical B+ from the smps
> off D626 cathode and not from the fly. Let us know what you find, John.
> John Mielke
> Main TV
> 636 Main St
> Longmont, Co 80501
> 303 776 6955
> 303 776 0792 fax
> www.longmontmaintv.com
> maintv2004@xxxxxxxxxxx
> ----- Original Message -----
> From: <jhoeme@xxxxxxxxxxxxx>
> To: "Techassist" <techassist@xxxxxxxxxxxxx>
> Sent: Friday, September 09, 2005 4:22 PM
> Subject: [TechAssist] Sanyo DS19204 no vert
>
>
>> Output IC501 (LA78040N) has 24V on pins 2 and 6.
>> All associated components check ok.
>> I cannot see any input pulse or ramp on input pins 1 or 7.
>> I do not have a schematic.
>> Any history on this one?
>> TIA
>> Jerry Hoeme
>> Jerry's TV Service (Estb 1978)
>> 840 So. Kansas Ave
>> Liberal, KS 67901
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