Common Methods to Access Service Menu on Haier LCD TVs:
1. Press the menu button, then sequentially press 9, 4, 4, 3 to enter factory mode.
2. Press the menu button, then sequentially press 8, 8, 9, 3 to enter factory mode.
3. Press the source button, then sequentially press left, left, up, right to enter factory mode.
Common Methods to Access Service Menu on TCL LCD TVs:
1. Press the menu button to adjust contrast, then sequentially press 9, 7, 3, 5 to enter factory mode.
2. Press the menu button to adjust contrast, then sequentially press 1, 9, 5, 0 to enter designer mode.
Common Methods to Access Service Menu on Universal Boards:
V29V26V59V56V696M181
1. Menu + 1147
2. SOURCE + 1147
3. Menu + 8202
4. Menu + 9527
5. Menu + 6480
6. Menu + 2580
Original source: http://www.jdwx.info/thread-694551-1-1.html
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