48
170B4&S4
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Repair Flow Chart (Continued)
AC IN
Power supply
board
Main panel
625~765Vrms
Inverter panel
Fluorescent
Lamp
LCD panel
3.3V/5V DC
12V DC
12V DC
No power
(power indicator off)
Check
12V/3.3V/5V DC
Check
control panel
No
Yes
Yes
Check control
wires
Check Main panel
Check Main panel
Summary of Contents for 170B4BB
Page 32: ...32 170B4 S4 9 Go to cover page D sub DVI Schematic Diagram ...
Page 33: ...ROM Schematic Diagram 33 9 Go to cover page 170B4 S4 ...
Page 34: ...34 170B4 S4 9 Go to cover page Scaler Board Schematic Diagram ...
Page 35: ...35 9 Go to cover page 170B4 S4 Power Schematic Diagram ...
Page 36: ...36 9 Go to cover page 170B4 S4 C B A Scaler Board ...
Page 37: ...36 1 9 Go to cover page 170B4 S4 C B A Scaler Board ...
Page 38: ...37 9 Go to cover page 170B4 S4 C B A Scaler Board ...
Page 39: ...37 1 9 Go to cover page 170B4 S4 C B A Scaler Board ...
Page 40: ...38 170B4 S4 9 Go to cover page Power Shematic Diagram ...
Page 41: ...9 Go to cover page 170B4 S4 C B A Power Board 44 39 ...
Page 42: ...39 1 9 Go to cover page 170B4 S4 C B A Power Board ...
Page 43: ...40 9 Go to cover page 170B4 S4 Schematic diagram Control ...