33
<External input USB>No picture on the display (6)
Does not the picture display when USB cable plugged into USB port?
Main UNIT:
Is USB stick video format correct?
Is the USB +5V sent to pin (1) of
YES
Change to correct .jpg or .jpeg or .png or
.bmp format.
NO
NO
Check the fuse F1101 and the external
input device.
Is the USB con (CN1104) signal properly
sent to pin (233) (USB_DM0) and pin
(234) (USB_DP0) of IC U2102?
YES
Refer to “The picture doesn't appear in
NO
Check the line between CN1104 and IC
YES
Summary of Contents for LC-32LE440U
Page 1: ...SERVICE MANUAL LCD COLOR TELEVISION MODEL LC 32LE440U ...
Page 3: ...2 ...
Page 4: ...3 ...
Page 6: ... 2 DIMENSIONS 5 ...
Page 10: ...9 1 Remove the 5 screws and disconnect 4 cables Detach the Main board ASSY as Fig 9 Fig 9 ...
Page 45: ...44 BOTTOM ...
Page 46: ...45 2 POWER SCHEMATIC DIAGRAM POWER BOARD WITH TOP BOTTOM VIEW Top Layer ...
Page 47: ...46 Bottom Layer ...
Page 48: ...47 3 KEY UNIT PRINTED WIRING BOARD 4 IR UNIT PRINTED WIRING BOARD ...
Page 49: ...48 CHAPTER 8 SCHEMATIC DIAGRAM 1 MAIN SCHEMATIC DIAGRAM 01 System POWER ...
Page 50: ...49 02 MT5389 ...
Page 51: ...50 03 DDR3 DRAM Flash ...
Page 52: ...51 04 Peripheral IR Keypad ESD ...
Page 53: ...52 05 HDMI ...
Page 54: ...53 06 VGA RS 232 USB ...
Page 55: ...54 07 YPbPr ...
Page 56: ...55 08 Audio amp ...
Page 57: ...56 09 Headphone line out SPDIF ...
Page 58: ...57 10 LVDS 11 Tuner ...
Page 68: ......
Page 71: ...70 4 PACKING PARTS ...
Page 73: ...72 ...