{"id":12456,"date":"2024-01-07T15:20:51","date_gmt":"2024-01-07T14:20:51","guid":{"rendered":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=12456"},"modified":"2024-01-08T14:15:57","modified_gmt":"2024-01-08T13:15:57","slug":"cd-660","status":"publish","type":"post","link":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=12456","title":{"rendered":"CD 660"},"content":{"rendered":"

purchased defect CD 660 for 10 euro<\/p>\n

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When turned on the focus lens moves down<\/p>\n

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Checking voltages show \u00a0-9 volt is missingRoot cause a faulty 220 \u00b5f cap, It is a 3 Ohm resistor \ud83d\ude42<\/p>\n

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It also broke the BC 818 SMD transistor<\/p>\n

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After fixing the power supply , there is a magnetic resistent in the spindel motor when in stop mode,The LM324 is also faulty,<\/p>\n

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After Repalcing the LM324 in the Hall-motor circuit the CD player is playing<\/p>\n

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Sometimes there is a loud tone \u00a0off +\/- 1 kHz while playing coming from the CDM 2 , on the scope we can see the tone on the servo opamp.<\/p>\n

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Here is playing fine.<\/p>\n

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Maybe the swing arm is not moving smooth , i cleaned and lubricated the bearings of the swing arm , and the players is playing fine agian,<\/p>\n

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purchased defect CD 660 for 10 euro When turned on the focus lens moves down Checking voltages show \u00a0-9 volt is missingRoot cause a faulty 220 \u00b5f cap, It is a 3 Ohm resistor...<\/p>\n","protected":false},"author":1,"featured_media":12439,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[244,121,3],"tags":[],"class_list":["post-12456","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cd-660","category-philips","category-repair"],"yoast_head":"\nCD 660 - Bram Jacobse<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=12456\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CD 660 - Bram Jacobse\" \/>\n<meta property=\"og:description\" content=\"purchased defect CD 660 for 10 euro When turned on the focus lens moves down Checking voltages show \u00a0-9 volt is missingRoot cause a faulty 220 \u00b5f cap, It is a 3 Ohm resistor...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=12456\" \/>\n<meta property=\"og:site_name\" content=\"Bram Jacobse\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-07T14:20:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-08T13:15:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2024\/01\/CD660_202401_2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"788\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bram\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bram\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=12456#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=12456\"},\"author\":{\"name\":\"Bram\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"headline\":\"CD 660\",\"datePublished\":\"2024-01-07T14:20:51+00:00\",\"dateModified\":\"2024-01-08T13:15:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=12456\"},\"wordCount\":138,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/#\\\/schema\\\/person\\\/046607e546e3a7190b34f7793abbe6fe\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=12456#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/CD660_202401_2.jpg\",\"articleSection\":[\"CD 660\",\"Philips\",\"Repair\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=12456\",\"url\":\"https:\\\/\\\/www.bramjacobse.nl\\\/wordpress\\\/?p=12456\",\"name\":\"CD 660 - 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