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بسم الله الرحمن الرحيم اللهم صل وسلم وبارك على سيدنا ونبينا محمد صل الله عليه وسلم الرجاء من الجميع الدعاء لمدير الموقع بالرحمه والمغفره.
سبحان الله وبحمده .. لاحول ولاقوه الا بالله..لا اله الا انت سبحانك اني كنت من الظالمين .. اللهم صل وسلم وبارك على سيدنا ونبينا محمد صل الله عليه وسلم https://m.youtube.com/c/ashraf5914?reload=9&reload=9
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| | Repair monitors Daewoo. | |
| | كاتب الموضوع | رسالة |
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SAD نائب المشرف العام
عدد المساهمات : 843 تاريخ التسجيل : 16/06/2010
| موضوع: Repair monitors Daewoo. الجمعة مايو 27, 2011 12:15 pm | |
| Repair of monitors Daewoo
Daewoo CMC1418AD
Monitor is not on, a fuse F801 is open. Check of C806, D801, IC801. Monitor is not on, a fuse F801 is good. Check R803, R804, R621, IC801. Output voltage of power supply is not good. Check C813, C814, R615, IC801. No pictures. Check Q805, Q806, IC501, IC801. The one of the colours is bad. Check of IC801, Q821-Q824, Q811-Q814, Q801-Q804. Not work a regulation of contrast. Check of Q401,Q402, VR401, VR402, R403, C813, IC801. Not work a regulation of bright. Check of D113, C123, VR501, VR502. No synchronizing. Check of IC502. No framing. Check of D321, IC101, Q201, Q202. The size on height is not in rate and is not adjust VR204. Check of IC101, Q203-Q205. No synchronizing on lines. Check of D131, IC101, IC103, C104-C106, C111, R105, R112. The pictures is removable on width and is not adjust VR101. Check of IC103, C181-C183, R184. No high voltage. Check of Q104, D107, D108, C116, C117. Vertical line. Check of L105, C126. Size on width not in rate and is not adjust VR103, VR110. Check of IC202, C212. Shift on vertical and is not adjust. Check of C231, VR112, Q214, Q215. The size on vertical is not adjust. Check of IC101, Q203-Q205, IC201.
Daewoo CMC 1424S/1425S
Monitor is not on, a fuse F001 is open. Check of D001, C001, DP001, RP001, IC001. Monitor is not on, a fuse F001 is good. Check T001, D007, R003, D006, Q001, Q002, IC001. On the screen is colour heel. Check of DP001, PR001. On the screen is horizontal band. Check of IC301, Q401, Q402, IC401, C407, R415, R416. Not work a regulation of bright. Check of R201, D201, C201, VR201, R203, R216. Not work a regulation of contrast. Check of Q202, V202, R209, R214, VR202, IC801. No synchronizing on lines. Check of IC301, IC501, C505-C508, V501, R508-R510. Vertical line. Check of C317, C421. The size on height is not in rate. Check of C515, C517, C313, C317, C421, Q401, Q411, Q412. The pictures is removable in vertical. Check of Q404, Q405, VR402. The pictures in up and bottom is bad. Check of C406, C407, C409.
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| | | SAD نائب المشرف العام
عدد المساهمات : 843 تاريخ التسجيل : 16/06/2010
| موضوع: رد: Repair monitors Daewoo. الجمعة مايو 27, 2011 12:47 pm | |
| DAEWOO CMC1501BA1 No Picture. Progressive and there is high. No sync.
Q201, C202, R201 faulty.
DAEWOO CMC1502 No high VOLTAGE.
Exotic bending legs Sub-D input.
1: R, 2: G, 3: B, 4,6,7,8: Masse, 5: V-Sync, 9: H-Sync
DAEWOO CMC1701 Horizontal Frequency 31-64 kHz
DAEWOO CMC1701 PSU Whistles. Horizontal scan and a Preliminary controller is defective.
Transistor IRF731 defective (replace in IRF730) to Measure the Funded Choke T507 (about 2 mg) Horizontal Transistor Q536 is defective (zameyaem on BU2520AF) Remove R540 (4.7 OHM) 2.2 Om/0b5V Parallel to the R539. Kondentsator 10 mF/25V
Plus at 5 V (Bridge J617) from minus to Plus S647
DELL ULTRASCAN 17FS-EN = MITSUBISHI TFS 6705
DIAMOND H566-Circuit in the line scan and the PSU is defective.
Line Transistor Q801 is defective (replace at BU2520AF) Reason: Bad contact on the P802.
PSU: Q901 is Replaced by IRFBC30. Defective items:
IC U901 (3842), ZD901 (20V), R909 (1910 kom), R908 (100 Om), R10 (10 Om), D903
DIAMOND 20 "= SHAMROCK SRC2002
DIGITAL VRC20-HA bottom of the Picture missing.
PSU: S949 defective (100 mF 25V)
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| | | أشرف عثمان المدير العام
الأعلام : عدد المساهمات : 2402 تاريخ التسجيل : 16/06/2010 العمر : 63
| موضوع: رد: Repair monitors Daewoo. الإثنين مايو 30, 2011 6:06 am | |
| Daewoo | | Modelo | Defeito | Solução | CMC1418AD | Sem Imagem. | Q805, Q806, IC501 e IC801. | CMC1418AD | Sem alta Voltagem. | Q104, D107, D108, C116 e C117. | CMC1418AD | No high voltage. | Check of Q104, D107, D108, C116, C117. | CMC1418AD | Sem imagem. | Check Q805, Q806, IC501, IC801. | CMC1418AD | Sem trama. | Check of D321, IC101, Q201, Q202. | CMC1427S | Não da video, tela toda escura. Ligando ok. | Queimado o ci de video CVA2415T. Trocado por um LM2416 e voltou a funcionar.Porem logo depois queimou. Precisa ser colocado o original cva2415T. | CMC1427X | Liga mas não da video.Ficou tentando abri o horizontal e depois foi fechando. | Trocado o transitor horizontal original THD200FI. Colocado no lugar um do monitor Samsung 2SC5149. | CMC1427X1 | monitor quando abre o brilho a imagem fica saturada e imagem some | normalmente este defeito esta no circuito de brilho procure por resistores abertos de valores alto tipo 2m2. | _________________
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| | | رضا عباس عضو جديد
المهنة : معلم عدد المساهمات : 1 تاريخ التسجيل : 03/03/2022 العمر : 49
| موضوع: رد: Repair monitors Daewoo. الخميس مارس 03, 2022 9:34 am | |
| السلام عليكم و رحمة الله و بركاته عندي شاشه دايوو crt لا تعمل مع وميض لمبه البور و صوت تكه مستمر مع قياس خرج الشوبر الفولت علي جميع اطراف الخرج غير مستقر فما هو الحل لو سمحتم و لكم جزيل الشكر [ltr] TRANSLATE with x English [/ltr][ltr] var LanguageMenu; var LanguageMenu_keys=["ar","bg","ca","zh-CHS","zh-CHT","cs","da","nl","en","et","fi","fr","de","el","ht","he","hi","mww","hu","id","it","ja","tlh","ko","lv","lt","ms","mt","no","fa","pl","pt","ro","ru","sk","sl","es","sv","th","tr","uk","ur","vi","cy"]; var LanguageMenu_values=["Arabic","Bulgarian","Catalan","Chinese Simplified","Chinese Traditional","Czech","Danish","Dutch","English","Estonian","Finnish","French","German","Greek","Haitian Creole","Hebrew","Hindi","Hmong Daw","Hungarian","Indonesian","Italian","Japanese","Klingon","Korean","Latvian","Lithuanian","Malay","Maltese","Norwegian","Persian","Polish","Portuguese","Romanian","Russian","Slovak","Slovenian","Spanish","Swedish","Thai","Turkish","Ukrainian","Urdu","Vietnamese","Welsh"]; var LanguageMenu_callback=function(){ }; var LanguageMenu_popupid='__LanguageMenu_popup'; [ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذا الرابط] [url=javascript:Microsoft.Translator.FloaterShowEmbed()] [/url] [url=javascript:Microsoft.Translator.FloaterShowSharePanel()] [/url] TRANSLATE with COPY THE URL BELOW [url=javascript:Microsoft.Translator.FloaterOnShareBackClick()] Back[/url] EMBED THE SNIPPET BELOW IN YOUR SITE Enable collaborative features and customize widget: [ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذا الرابط][url=javascript:Microsoft.Translator.FloaterOnEmbedBackClick()]Back[/url] var intervalId = setInterval(function () { if (MtPopUpList) { LanguageMenu = new MtPopUpList(); var langMenu = document.getElementById(LanguageMenu_popupid); var origLangDiv = document.createElement("div"); origLangDiv.id = "OriginalLanguageDiv"; origLangDiv.innerHTML = " ORIGINAL: "; langMenu.appendChild(origLangDiv); LanguageMenu.Init('LanguageMenu', LanguageMenu_keys, LanguageMenu_values, LanguageMenu_callback, LanguageMenu_popupid); window["LanguageMenu"] = LanguageMenu; clearInterval(intervalId); } }, 1); [/ltr] | |
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