Samsung APH289SEF Service Manual page 35

Troubleshooting
5-3-9 When Anion Generator does not operate.
1. Causes of Failure
1) Perfect(Electrostatic dust collector) breakdown.
2) Reed switch harness cut or poor contact.
3) Poor anion generator connecting harness.
4) Poor part of anion generator.
2. Inspection Items
1) Connecting harness?
2) Connection of reed S/W harness?
3. Inspection Procedure
Turn power off and on in 5 seconds.
Perfect on and Anion generator on.
Check voltage between Anion generator input
Check voltage of MICOM Pin No. #44, 5V?
Check voltage between CN707 No. #3 ↔ #4, 12V?
CN710 No. #3 and CN707 No. #4, DC12V?
Check voltage between HVPS white connector
34
connector No. #1 ↔ 3, DC12V?
No
Yes
Yes
Check voltage between
Yes
No. #1 ↔ 3, DC12V?
Exchange anion generator.
1. Be sure to put PERFECT into cleaning to run the Anion Generator.
2. Reed S/W shall remain contact with the magnet for its operation, too.
Yes
Exchange anion generator.
No
Exchange Main PCB.
No
No
Exchange reed switch.
Exchange the connecting
No
harness.
Samsung Electronics