[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-560591-105":59,"doc-detail-560591-en":122},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":115,"head_meta":117,"extra_data":119,"updated_unix":121},105,"en","panasonic-z7-tv-repair-notes-hibak","PANASONIC Z7 - TV repair notes - hibák","","PANASONIC Z7 TV repair notes describing multiple fault symptoms and corresponding troubleshooting actions. Items include dead standby supply, no line drive, flashing LEDs with relay trip, no sound with working FM input, blank raster with OK audio, distorted picture with missing sync, and intermittent cut-outs returning to standby. The notes identify component-level causes such as open-circuit resistors/diodes, leaky capacitors, corrupted or faulty EEPROM/EPROM micro ICs, and dry joints, with detailed service-mode entry procedures for self-check, channel tuning, and restoring EEPROM/option codes.",{"@graph":69,"@context":114},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/panasonic-z7-tv-repair-notes-hibak/560591/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/panasonic-z7-tv-repair-notes-hibak/560591.png","ImageObject",300,407,{"name":92,"@type":93},"นรินทร์","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/octet-stream","2026-10-22","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108],{"name":109,"@type":110,"acceptedAnswer":111},"How does the service mode/self-check procedure get initiated?","Question",{"text":112,"@type":113},"The notes provide button sequences using the remote and TV front panel, including a self-check process (using F/Vol buttons and watching remote status), and re-initialization steps using the remote Status key followed by the V button, plus an entry for shipping condition autotune when required.","Answer","https://schema.org",{"og:url":83,"og:type":116,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":118,"canonical":83},"index,follow",{"doc_id":120,"site_id":62},560591,1792101213,{"code":4,"msg":5,"data":123},{"doc_id":120,"user_id":124,"nickname":92,"user_avatar":125,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":126,"file_id":127,"file_url":128,"file_type":129,"file_size":130,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":131,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":132,"faqs":133,"seo_title":134,"seo_description":67,"update_tm":135,"read_time":24},2336475104957,"https://ap-avatar.wpscdn.com/avatar/22000c4c6bd8a5076e1?x-image-process=image/resize,m_fixed,w_180,h_180&k=1787554080175789136","PANASONIC  Z7  hibák\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7\"\u0014Z7\u0015\nDead except from whistle from psu\nNo line drive - D861 start up supply for IC601 o/c\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7\"\u0014Z7\u0015\nFlashing LED at sw on & no start up\nReplace o/c R811 (220k 0.5w) in power supply.\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7\"\u0014Z7\u0015\nNo sound - OK with sound I/P via scart\nFM sound I/p ok at pin 2 IC601 M52778SP-A but no o/p at pin 47 - chip duff\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7\"\u0014Z7\u0015\nScreams at sw on, relay operates trip & LED just blinks\nD861 o/c in psu (8v feed to pin 9 IC601) Cct Diag mistake - anode D861 connects to pin 1 IC851 NOT 852\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7\"\u0014Z7\u0015\nService mode access\nSelect chan 60, set sharpness to min, press timer on remote at the same time down arrow on front of set. press str after each adj to store\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TC14S3R\"\u0014Z7 TC14S3R\u0015\nSelf check proc\nPress F button & Vol - button on set & status on r/c at same time. When complete sw off set then on again & retune\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TC14S3R\"\u0014Z7 TC14S3R\u0015\nWeak neg pic - as tho in wrong system\nEEPROM IC1205 pt no XL24D02P-AA1 corrupted - needs self checking once fitted\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TC14S3R%252FT\"\u0014Z7 TC14S3R/T\u0015\nstuck in stby\nMICRO IC1201 IN PROTECT DUE TO NO +2.6V ON PIN31, R1218 620K 0.5W O/C\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TC21S3R\"\u0014Z7 TC21S3R\u0015\nswitched to 16:9 mode\nCORRUPT EEPROM (NO OPTION CODE) , REPLACE MICRO IC1201 AND EAROM IC1205, INITIALISE BY PRESSING STATUS KEY ON REMOTE, FOLLOWED BY 'V' BUTTON ON TV\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX14S3\"\u0014Z7 TX14S3\u0015\nblank raster, sound OK\nR560 300K O/C\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX14S3\"\u0014Z7 TX14S3\u0015\ndead, stby LED is low\n5V STBY RAIL ONLY 2V, D1202 O/C (1N4150T77)\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX14S3\"\u0014Z7 TX14S3\u0015\ndistorted pic and sound, appears to have no sync\nEPROM IC1205 (XL24D02PAA1)\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX14S3T\"\u0014Z7 TX14S3T\u0015\nWont find chans in chan search, those already tuned in are off tune & dist. Tall, flat & greyscale off in AV mode\neeprom Part number XL24CO20-AA cured the faults. Caused by dry joint on LOPTx earth tag corrupting EEPROM. Go into\"self check\" mode. Done by pressing Status button on the remote & V down on set. Shows OPT O2 on screen.Can't store PP until done\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX21JT\"\u0014Z7 TX21JT\u0015\nReverts to st/by after a couple of hrs & keeps cutting out when sw back on\nEEPROM vots had dropped to 2.3v (5v) due to D1202 going o/c - check other diodes in EEPROM supply line also\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX21S3\"\u0014Z7 TX21S3\u0015\nstuck in stby\nNO 2.6V TO PIN 31 IC1201(Micro), R1218 O/C FUSIBLE 560K 0.5W PART NO. ERO50PKF5603\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX21S3T\"\u0014Z7 TX21S3T\u0015\ngoes to stby after 5-10 mins\nD1208 MA170 LEAKY\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX21S3T\"\u0014Z7 TX21S3T\u0015\nint. startup, int. blank raster, int. no remote operation\nLOW SDA/SCL LINES, D307 BZY88C4V7 LEAKY\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX21S3T\"\u0014Z7 TX21S3T\u0015\nnegative pic with AGC overload via tuner (OK via SCART)\nFAULTY EPROM. BEFORE REPLACING ENTER SERVICE MODE AND WRITE DOWN EPROM VALUES.CHANGE IC AND ENTER ORIG.VALUES, YOU MUST ENTER \"SHIPPING CONDITION AUTOTUNE\"\nPanasonic\n\u0013 HYPERLINK \"/index.php%3Fwhat=search2&searchstring=Z7+TX21S3T\"\u0014Z7 TX21S3T\u0015\nstuck in stby\nEEPROM IC1205 (XL24C02PBAB) FAULTY, CHECK BY BYPASSING THE RELAY","cbCaisO5Bpbs2IbQ","https://ap.wps.com/l/cbCaisO5Bpbs2IbQ","doc",23552,"English","# Fault symptoms and quick checks\n## Power/standby and no-start issues\n## Audio/picture faults and video sync\n## EEPROM/EPROM corruption and required service mode steps","[{\"question\":\"How does the service mode/self-check procedure get initiated?\",\"answer\":\"The notes provide button sequences using the remote and TV front panel, including a self-check process (using F/Vol buttons and watching remote status), and re-initialization steps using the remote Status key followed by the V button, plus an entry for shipping condition autotune when required.\"}]","PANASONIC Z7 - TV repair notes - hibák | DOC",1791803644]