JWIN Service mode
Enter factory mode menu press PROD, with DISPLAY MUTE or you scroll through the pages, to enter SLEEP Sub-menu, select the position or channel Items, Volume + / - line value.
Universal Remote - Service Mode - TV Factory menu codes
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https://tvservicemenu.blogspot.com/2010/03/jwin-service-mode.html.
Author : Meilyn, Ricky and Akzai Rajali
Editor : Denny Wowor
JWIN TV Service mode (All TV Service Menu Code)
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"JWIN TV Service mode"
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JWIN TV Service mode Written on March 01, 2010