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2007 Toshiba America Consumer Products, LLC.
Page 5 of 13
SMART2006002_Version1.1
P803B
P812A
CN90A
P804
CN61
CN81
Wont Turn ON
3.3v on Pin 7
of CN49A
3.0 V on Pin 5
of P812A
3.3v on Pin
8,9,11 of
CN90A
Yellow LED
Flashing
Yes
Yes
Yes
3.3v on Pin 10
of P812A at Power
Press
No
No
0v at Pin 1 of
CN42A at Power
Press?
Replace Power
Unit
Replace AV/
Terminal PCB
Check Keyboard
Yes
No
Yes
Replace Seine/
Digital PCB
5v on Pin 4 of
CN49A
No
18v on Pin 13 of
P803B
No
Check FE75 and
Power Unit
No
Replace Low B
PCB
Replace AV/
Terminal PCB
Yes
Yes
3.3v on Pin 8
of P812A
No
No
Replace AV/
Terminal PCB
Replace Low B
PCB
Yes
Troubleshooting Flowchart 2006 LCD
“TV Does Not Power On”
V1.0
CN49A
P811B
TP12
AV Terminal PCB
Seine PCB
Power PCB
LowB PCB
D-Tuner
PCB
7