79
Flowchart of board trouble shooting
Main board
OSD Image OK?
1.
Check cable connection between main board and LCD panel.
Audio OK?
1.
Check wire between Main board to speaker.
2.
Check audio input connection.
Function OK?
1.
Check main board
No
Yes
No
Yes
No signal?
1.
Check input cable.
2.
Check OSD source set up.
Yes
No
No
LED OK?
1.
Check
R80,R83,Q9
2.
Check
power 3V3SB,+5VSB
3.
Check
U10
OSD OK?
1.
Check
+5VSB,3V3SB, AVDD3V3, VCCK,DDRV,
2.
UM1, UD1, Check BL_ON and Power_ON
Yes
No
No
HDMI OK?
Check
5V_SW,AVDD3V3
1.
Check
U51
2.
Check
connectorsJ13,J14,J15
Component OK?
Check
RD25,RD28,RD30,UM1
PC OK?
Check
RD31,RD33,RD35,RD36,RD38,,UM1
Yes
Yes
No
No
No
No
Summary of Contents for TD-E432
Page 1: ...1 TOSHIBATD E432 Service Manual ...
Page 8: ...8 Note2 Component spec RTC IC tolerance 3 2 1 Power sequence for Panel a T430HVN01 2 ...
Page 23: ...23 5 3 OSD IR Remote control ...
Page 24: ...24 ...
Page 31: ...31 Note5 USB Input Pin No Name 1 VCC 5V 2 Data 3 Data 4 GND ...
Page 33: ...33 Note7 RJ45 LAN Pin No Name 1 TX_D1 2 TX_D1 3 TX_D2 4 TX_D3 5 TX_D3 6 TX_D2 7 TX_D4 8 TX_D4 ...
Page 38: ...38 9 Mechanical Specifications 9 1 General Specification a S430HF44 V0 六面図 ...
Page 62: ...62 ...
Page 64: ...64 ...
Page 70: ...70 ...
Page 71: ...71 ...