PHILIPS PS-424 PHILIPS POWER SUPPLY [SMPS] - SDI POWER SUPPLY _LJ44-00101C – FAULTS AND REPAIR – LED BLINKING CODES

PHILIPS POWER SUPPLY [SMPS] - SDI POWER SUPPLY _LJ44-00101C – FAULTS AND REPAIR – LED BLINKING CODES

ERROR CODES [LED BLINKS]

OVP: Over Voltage Protection

UVP: Under Voltage Protection

Protection Circuits

42” SD v5, 42” HD w1, 50” HD w1 Voltage Outputs

NO POWER

Check or change: *F8001(250V/8A) OPEN ** R8012, R8013 OPEN ***D8006 SHORT

PS-424 - PHILIPS POWER SUPPLY [SMPS] TROUBLESHOOTING - NO 5V2 - RELAY ON_OFF

NO 5.2V
Check or change:  F8001(250V/8A) OPEN.

Check or change: IC8003, Q8008,  D8018, ZD8225, D8016, ZD8100 , D8017, ZD8200

Check or change: Copper side: Q8002,  ZD8205, ZD8102

RELAY ON & OFF

Check or change:  U8003 DEAD.

Check or change: IC8012 DEAD.

Check or change: HIC8001 ALARM BOARD.

Check or change: IC8011 DEAD.