{"id":1318,"date":"2016-01-05T19:44:56","date_gmt":"2016-01-06T00:44:56","guid":{"rendered":"https:\/\/danvanfleet.com\/?p=1318"},"modified":"2016-01-05T20:51:48","modified_gmt":"2016-01-06T01:51:48","slug":"vizio-sv470xvt1a-and-harris-ts22-butt-set-a-good-start-to-the-year","status":"publish","type":"post","link":"https:\/\/danvanfleet.com\/index.php\/vizio-sv470xvt1a-and-harris-ts22-butt-set-a-good-start-to-the-year\/","title":{"rendered":"Vizio SV470XVT1A and Harris TS22 Butt Set, a Good start to the Year."},"content":{"rendered":"

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The last 2 days have been technically a fantastic year.  <\/span>It started with 2 Harris Butt Sets and ended with a fixed Vizio 47″ TV.  <\/span>I had recently failed a cap replacement on an  <\/span>Insteon device, so my electronics repair road was on a bad path.  <\/span>It felt good to relive my roots.<\/font><\/font><\/p>\n

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The TV a Vizio SV470XVT1A was an interesting one, it intermittently displayed video, the back lights always worked.  <\/span>Lots of documented voltages finally lead to a voltage regulator U10 on the daughter board, 0101-4072-0044 which showed a pin hanging at .4 mv when the set failed, and came up to 1.1 mv when it worked.  <\/span>What a deal, the daughter board is near the cheapest one in the unit.  <\/span>Amazon had a seller with a used one for $8. <\/font><\/font><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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The other items on the table were 2 Harris TS22 Butt sets. <\/span>One an older model the other an ALO version. They have the quite normal CR2032 button cell went dead issue.   <\/span>A good number of years ago I’d modified the ALO version with a much larger battery intended for a computer CMOS. <\/font><\/font><\/p>\n

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At Christmas, an Uncle of mine, who when I was a child gave me a series of electronics training books tossed a TS22 my way, saying do to mine what you did to yours. Given I still rely on the base knowledge learned from both the electrical and electronics books, I was happy to oblige. One book was named Antennas And Radio Propagation<\/strong><\/span>, where the discussion went as far to make antennas using telephone poles to hold the elements, now that’s a big antenna. That was a fun book, there’s a link at the end.<\/font><\/font><\/p>\n

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Back onto the Harris TS22 battery hack<\/font><\/font><\/p>\n

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The original replacement is still hooked up and working, the voltage was down to 1.4v, so it was close. <\/font><\/font><\/p>\n

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The ground wire was cut a bit long in order to solder it to the bottom of the button cell holder.<\/font><\/font><\/p>\n

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The positive pin also has a short lead attached to be used as a bridge for the solder tab holes.  <\/span>The older model only pulled power from one of the pins, this one uses both. The coin cell holder needed trimmed <\/font><\/font><\/font>down to clear the resistor.<\/font><\/font><\/font><\/p>\n

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Soldered that down with a squirt of hot glue to help stabilize it transformed the tool from an annoying battery replacement to a simple task. <\/font><\/font><\/p>\n

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I bought a 5 pack of the coin cell holders at Amazon for 4 bucks. <\/font>http:\/\/amzn.to\/1Oyi3aM<\/font><\/a><\/font> <\/font><\/font><\/p>\n

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The other unit is a bit prettier as less material was removed from the battery holder.<\/font><\/font><\/p>\n

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Test Voltages from Vizio
\nSV470XVT1A<\/font><\/font><\/p>\n

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Main board<\/font><\/font><\/p>\n

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U5 – 2.1v \/ 3.41v \/ 4.95v<\/font><\/font><\/p>\n

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U45 11.72v\/ .6 mv \/ 5.05v<\/font><\/font><\/p>\n

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U16 11.71v \/ .7 mv \/ 5.03v<\/font><\/font><\/p>\n

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U17  <\/span>5.06v \/ 3.38v 2.10v<\/font><\/font><\/p>\n

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U19 4.97v \/ 2.57v \/ 1.29v<\/font><\/font><\/p>\n

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U20 3.38v \/ 1.84v \/.569v<\/font><\/font><\/p>\n

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U22 5.14v \/ 3.39v 2.11v<\/font><\/font><\/p>\n

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Q9 0v \/ 4.97v \/ 0 v<\/font><\/font><\/p>\n

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20 pin header top left side no cable plugged into it.<\/font><\/font><\/p>\n

1 – 3.39v<\/font><\/p>\n

2 – <\/font><\/p>\n

3 – 3.39v<\/font><\/p>\n

4 – 3.39v<\/font><\/p>\n

5 – 3.39v<\/font><\/p>\n

6 – 41mv<\/font><\/p>\n

7 – 3.39v<\/font><\/p>\n

8 – 3.87v<\/font><\/p>\n

9 – 0.9mv<\/font><\/p>\n

10 – 0.9mv <\/font><\/p>\n

11 – 3.37mv<\/font><\/p>\n

12 – 0.9mv<\/font><\/p>\n

13 – 0.9mv<\/font><\/p>\n

14 – 0.9mv<\/font><\/p>\n

15 – 0.9mv<\/font><\/p>\n

16 – 0.9mv<\/font><\/p>\n

17 – 0<\/font><\/p>\n

18 – 0.9mv<\/font><\/p>\n

19 – 0.9mv<\/font><\/p>\n

20 – 0.9mv<\/font><\/p>\n

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Daughter board (Video Processing)<\/font><\/font><\/p>\n

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U2 – 5.03v \/ 3.38v \/ 2.11v <\/font><\/font><\/p>\n

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U6 – 3.37v \/ 1.84v \/ .57v<\/font><\/font><\/p>\n

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U10 – 1.1mv \/ 1.29v \/ 3.42v <\/font><\/font><\/p>\n

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U12 – 2.12v \/ 3.41v \/ 5.03v<\/font><\/font><\/p>\n

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Q4 – 3.32v \/ 3.24v \/ 11.65v<\/font><\/font><\/p>\n

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Q3 –  <\/span>3.32v \/ 3.37v \/ 11.65v<\/font><\/font><\/p>\n

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W2 Power cable entering Video Processing board<\/font><\/font><\/p>\n

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1 – 3.38v<\/font><\/font><\/p>\n

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2 – 3.37v<\/font><\/font><\/p>\n

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3 – 3.37v<\/font><\/font><\/p>\n

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4 – low floating  <\/span>mv range<\/font><\/font><\/p>\n

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5 – 3.39v<\/font><\/font><\/p>\n

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6 – 3.38 v – Green wire<\/font><\/font><\/p>\n

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7 – 3.38v<\/font><\/font><\/p>\n

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8 – 0 v<\/font><\/font><\/p>\n

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9 – 1 mv<\/font><\/font><\/p>\n

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10 – 5.03v white maybe with with black stripe<\/font><\/font><\/p>\n

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11 – 5.03v<\/font><\/font><\/p>\n

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12 – 3.38v<\/font><\/font><\/p>\n

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13 – 3.39v<\/font><\/font><\/p>\n

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14 – No wire<\/font><\/font><\/p>\n

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End Video Processing Board<\/font><\/font><\/p>\n

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Power Supply<\/font><\/font><\/p>\n

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Starting at the top side with respect to the power cord being down.<\/font><\/font><\/p>\n

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13 pin molex type plug<\/font><\/font><\/p>\n

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1 to 5 – 24 v<\/font><\/font><\/p>\n

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6 – 21 mv
7-  <\/font><\/font><\/span>21mv<\/font><\/font><\/span><\/font><\/font> <\/p>\n

8 – 21  <\/span>mv<\/font><\/font><\/span><\/p>\n

9 – <\/font><\/span>22mv<\/font><\/font><\/span><\/font><\/font> <\/p>\n

10 – 22mv<\/font><\/font><\/span><\/p>\n

11 – 3.14v<\/font><\/font><\/span><\/p>\n

12 – 5.00v<\/font><\/font><\/span><\/p>\n

13 – No wire<\/font><\/font><\/span><\/p>\n

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Next connector<\/font><\/font><\/p>\n

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1 to 5 – 24 V<\/font><\/font><\/p>\n

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6 – 28mv<\/font><\/font><\/p>\n

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7 – 28mv<\/font><\/font><\/p>\n

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8 – 29mv<\/font><\/font><\/p>\n

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10 to 12  <\/span>– no wire<\/font><\/font><\/p>\n

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4 Pin connector<\/font><\/font><\/p>\n

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1 – 24v<\/font><\/font><\/p>\n

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2 – 24v<\/font><\/font><\/p>\n

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3 – 21 mv (ground)<\/font><\/font><\/p>\n

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4 – 21mv<\/font><\/font><\/p>\n

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15 Pin connector<\/font><\/font><\/p>\n

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1 – 3.3v<\/font><\/font><\/p>\n

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2 – 11.76v<\/font><\/font><\/p>\n

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3 – 11.76v<\/font><\/font><\/p>\n

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4 – 11.76v<\/font><\/font><\/p>\n

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5 – 22mv<\/font><\/font><\/p>\n

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6 –  <\/span>22mv<\/font><\/font><\/p>\n

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7 – 25mv<\/font><\/font><\/p>\n

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8 – -26mv<\/font><\/font><\/p>\n

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9 – -26 mv<\/font><\/font><\/p>\n

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10 – 5.18v<\/font><\/font><\/p>\n

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11 – 5.18v<\/font><\/font><\/p>\n

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12 – 5.18v<\/font><\/font><\/p>\n

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13 – 3.41v<\/font><\/font><\/p>\n

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14 – 4.97v<\/font><\/font><\/p>\n

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15 no wire<\/font><\/font><\/p>\n

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Ends Power Supply Connectors<\/font><\/font><\/p>\n

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Link to the book Antennas and Radio Propagation book<\/font><\/font><\/p>\n

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http:\/\/www.pestingers.net\/PDFs\/Other_radios\/Military_manuals\/TM%2011-666%209%20Feb%2053%20NJ7P%20AS.pdf<\/font><\/font><\/a><\/p>\n

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The last 2 days have been technically a fantastic year.  It started with 2 Harris Butt Sets and ended with a fixed Vizio 47″ TV.  I had recently failed a cap replacement on an  Insteon device, so my electronics repair road was on a bad path.  It felt good to relive my roots.   The […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3],"tags":[43,25,17],"class_list":["post-1318","post","type-post","status-publish","format-standard","hentry","category-general","tag-general","tag-hardware","tag-tips","entry"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4wyVb-lg","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/posts\/1318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/comments?post=1318"}],"version-history":[{"count":4,"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/posts\/1318\/revisions"}],"predecessor-version":[{"id":1322,"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/posts\/1318\/revisions\/1322"}],"wp:attachment":[{"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/media?parent=1318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/categories?post=1318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/danvanfleet.com\/index.php\/wp-json\/wp\/v2\/tags?post=1318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}