Haier LE55B8500U Service Tips

Haier LED TV Service Guide By Imran Ashraf

Haier K70H6000S (MSD6A918+6M40 movement) LCD color TV software upgrade method

First, upgrade mboot 　　 　　(1), copy the upgrade file MbootUpgrade.bin to the U disk, and plug it into the TV. 　　 　　(2) Press the TV menu button to pop up the design window. Press the four keys of the remote control "8893" in sequence to pop up the factory menu. 3.press the remote control to focus on the "Mboot upgrade -->>", press the OK button, select Confirm to upgrade. 　　Second, upgrade MSD6A918 　　 　　(1), copy the upgrade file HaierUpgrade.bin to the U disk, and plug it into the TV. 　　 2. Press the TV menu button to pop up the design window (Figure 2.1). Press the four keys of the remote control "8893" in sequence to pop up the factory menu. 3. Press the remote control to focus on “6A918Update-->>”, then press the OK key. A confirmation to upgrade the 6A818 interface appears. 4.move the focus to the "Confirm" button, press the remote control OK button, and wait for the upgrade to complete. 　　 　　Third, upgrade 6M40 　　 1.copy the upgrade file to the U disk, and plug it into the TV. 2) Press the TV menu button to pop up the design window (Figure 3.1). Press the four keys of the remote control "8893" in sequence to pop up the factory menu. . 3. Press the remote control to focus on “6M40Update-->>”, then press the OK key. Appears to upgrade the 6M40 interface. 4. move the focus to the "Confirm" button, press the remote control OK button, and wait for the upgrade to complete. 　　 2, abnormal upgrade 　　 upgrade method: The main program and Mboot root directory into the U, U disk into the USB port of the TV, the present controlled hold the Menu key, the power until the upgrade interface appears, release Menu button, TV standby after successful upgrade.

　　

6 pin Regulator SMD Chip Codes
6 pin PWM IC code
5xy= NCP1251,
IDP606 = R7731A,
63xxx = OB2263,
WP35/XP35 = LD7535,
ABx = FAN6862,
xxP/50 = LD7550IL_BL,
xxP/50 = LD7550IL_BL
52xxx = OB2252
62xxx = OB2262
73xxx = 0B2273
AAIxx = SG6858TZ
G6G = AP4313
37x = LD7537

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