Slide 5
Power LED Error Code Definition
LIST OF BOARDS POSSIBLY CASUSING THE FAILURE
POWER LED
ERROR
CODE
CIRCUIT MONITORED
CONDITIONS TRIGGERING
THE SHUTDOWN
MOST
COMMON
2
ND
OCCASIONALLY
RARELY
7 BLINKS
Scan Drive Circuit and
Connection between the SC
board and the SM(SU/SD)
board.
Missing Vsus.
Abnormality of the scan circuit output, the 15V_F, the
scn_pro, and Vscn circuit.
Loose or open Connection between the SC board and the
SM(SU/SD) board (SC41, SC42, SC46).
Open or loose connection between connectors SC2/P2
Wrong diagnostic by the A board
SC SM
Panel+SC+SM A
8 BLINKS
Sustain Drive Circuit and
Connection between the SS
board and the Panel.
Abnormality of the Sustain drive circuit.
Open or loose connection between the SS board and FPCs
from the panel (SS61, SS64, SS21, SS24 and SS58).
Open or loose connection between connectors C10/C20
Wrong diagnostic by the A board
SS Panel A
C2
9 BLINKS
Discharge Control Circuit
(IC9300)
Failure of IC9300
A
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10 BLINKS
Abnormalities of the F+15V.
Reasons:
•
The P board is not generating the F+15V
•
SUB Voltages are affected by the K board or by
metal object present in the SD card slot..
Shorted Vsus (By the SS board or SC board).
Shorted Vda (By the panel, C1, or C2 board)
Wrong diagnostic by the A board.
SS
SC
A - P
K
12 BLINKS
AUDIO AMP
Abnormalities of the Audio AMP
A
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Summary of Contents for G20 Series
Page 11: ...Detailed Troubleshooting Procedure for Shorted Vsus Slide 11...
Page 13: ...Detailed Troubleshooting Procedure for Shorted P15 Slide 13...
Page 15: ...Detailed Troubleshooting Procedure for Shorted Vda Slide 15...
Page 17: ...Troubleshooting 1 Blink Failure Slide 17...
Page 19: ...Troubleshooting 2 Blinks Failure Slide 19...
Page 22: ...Troubleshooting 3 Blinks Failure Slide 22...
Page 25: ...Troubleshooting 4 Blinks Failure Slide 25...
Page 28: ...Troubleshooting 5 Blinks Failure Slide 28...
Page 32: ...Troubleshooting 6 Blinks Failure Slide 32...
Page 35: ...Troubleshooting 7 Blinks Failure Slide 35...
Page 38: ...SU SD boards Together Isolation Procedure Slide 38...
Page 42: ...Vfo VSCN F 5V_F Resistance Measurements SU SD boards Slide 42...
Page 45: ...Troubleshooting 8 Blinks Failure Slide 45...
Page 48: ...Troubleshooting 9 Blinks Failure Slide 48...
Page 50: ...Troubleshooting 10 Blinks Failure At Plug in Slide 50...
Page 52: ...Troubleshooting 10 Blinks Failure At Power on Slide 52...
Page 54: ...Troubleshooting 12 Blinks Failure Slide 54...
Page 57: ...Troubleshooting No Power Dead Unit Slide 57...
Page 60: ...TV s Behavior After Connectors Removal Slide 60...
Page 62: ...End Slide 62...