![](/images/new-backgrounds/1127061/12706153x1.webp)
5-1-18 OSD Failure
Check CN104 and connector Ass’y.
19IC104 Pin 6 input is right?
Yes
20IC104 Pin 17 input is right?
Yes
IC104 Pins 7 and 8 inputs are
right?
Yes
IC104 Pins 12, 13 and 14
outputs are right?
No
IC101 Pins 21, 24 and 26
21
outputs are right?
Yes
Check and replace IC103.
Done
No
No
No
No
No
Check and replace Q102.
Check CN102 Pin 14.
Check and replace Q101.
Check CN102 Pin 8.
Check IC201 Pins 41 and 42.
Check and replace IC104.
Check and replace IC101.
5 Troubleshooting
WAVEFORMS
19 1.00 V (IC104, #6)
CH1 | CH1 RMS = 4.516V |
20 1.00 V (IC104, #17)
CH1 | CH1 RMS = 5.024V |
21 1.00 V (IC101, #21.24.26)
CH1 | CH1 RMS = 2.580V |
DP15H*/DP17L* |