[TechAssist] Re: Sanyo DS19204 no vert
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 10 Sep 2005 10:17:26 -0500
Chip quick works but sometimes messy, cut the leads off at body of chip
probably works ok but I have not tried that method. Hot air is my
favorite way to remove. Get the hang of it then just the right amount of
heat and the chip will lift right off with no damage.I used a Weller
PyroPen junior for years then bought a hot air station, ATTEN 8502, real
nice and not expensive at all.
The Old Master Technician
********************************
Since 1972 *
Jim Myers *
Telrad Electronics *
Fort Wayne Indiana *
********************************
al m wrote:
> 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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