Detailed Troubleshooting Procedure for Shorted Vda
Yes
Unplug the connector P35 on the P board and check the resistance between pin 1 of connector P35 on the P board and ground (Chassis).
No
Replace the P
board
Is there a
short
circuit ?
Start Here
Reconnect the ribbon cable between the C2 and C3
boards and unplug the ribbon cable between the C1 and
C2 boards. Measure the resistance between pin 1 of
connector P35 on the P board and ground (Chassis)
Yes
No
Is there a
short
circuit?
Yes
No
Is there a
short
circuit?
The problem could be the C2
board or the panel. Proceed to
isolate the panel from the C2
board to determine which is bad.
The problem could be the C1
board or the panel. Proceed to
isolate the panel from the C1
board to determine which is bad.
TC-P50G20
TC-P50G25
TC-P42G25
TC-P46G25
TC-P54G20
TC-P54G25
Reconnect P35 and unplug the
ribbon cable between the C2 and
C3 boards. Measure the resistance
between pin 1 of connector P35 on
the P board and ground (Chassis)
Reconnect P35 and unplug the
ribbon cable between the C1 and
C2 boards. Measure the resistance
between pin 1 of connector P35 on
the P board and ground (Chassis)
Yes
No
Is there a
short
circuit ?
The problem could be the C3
board or the panel. Proceed to
isolate the panel from the C3
board to determine which is bad.
Slide 16
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...