42
[2]POWER MANAGEMENT BLOCK DIAGRAM
There are 1 part circuits in Power board of this project (fig.1), Power circuits which is a single layer board,
There are 3 output in the power parts, one is interface board including USB and TV tuner et; the other is
inverter board and audio c24V output is inverter part.the system block diagram as below; the last
is panel Vcc and audio, the power is 12V.
DC:24V/1.6A output to Inverter
Standby
DC:5.3V/2A output to IF BD
DC-DC
Rectifier
filter
ACD
DC:12V/2.23A output to
Audio
AC
INPUT
EMI
ACD
(fig.1)
[3]WIRING DIAGRAM
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 ...