Samsung QN55Q75CNF Service Manual page 43

Qled tv
Hide thumbs Also See for QN55Q75CNF:
Table of Contents

Advertisement

4. Troubleshooting
1.
TV in Standby
Standby LED Indicator
9
NOTE
Status can be changed in user menu and may default off.
2.
If
Not Lit:
One Connect Box is Powered
9
If OK
OCB Cable to TV (Miss Connections or damaged cable)
9
If OK
A13V CNM803 Pin 13 on TV SMPS
9
A13V is supplied from One Connect to SMPS & TV Board
3.
If A13V is missing
Remove CNM803 Connector to SMPS
9
Check A13V on Cable or at TV Board
9
If A13 is now OK Replace Defective SMPS
If A13 is still missing
One Connect Operation / One Connect Cable
9
4.
If A13 was OK on SMPS
TV Main Board supply voltages to Function Control
9
If missing replace TV Main Board
Standby LED voltage (1.7Vdc on Function Connector)
9
If OK replace Function Assy
If missing replace TV Main Board.
4-2

Hide quick links:

Advertisement

Table of Contents

Troubleshooting

loading

This manual is also suitable for:

Qn65q75cnf

Table of Contents