Samsung PN50A650T1FXZC Service Manual page 39

■ SMPS Output Voltag
Output Voltage
Min Max
1 VS 195V 210V
2 VA 50V 60V
3 VG 15V FIX
4 5.3V 5.3V FIX
6 12V 12V FIX
7 VAMP 18V FIX
8 STBY 5.2V FIX
Samsung Electronics
Output Current
Min Typ Max Peak
OA 2.2A 3A
OA 1A 3A
OA 0.5A 1A
OA 7A 9A
OA 1.5A 2.5A
OA 0.5A 2.5A
OA 0.5A 1A
Protection (shutdown)
Regulation
OVP
15A ±1.5% 230V ↑
10A ±1.5% 72V ↑
1.5A ±5% 16V ↑
12A ±3% 7V ↑
3.5A ±5% 13V ↑
3A ±5% 20V ↑
1.5A ±3% 6V ↑
Troubleshooting
Ripple &
Noise
OCP UVP
8V p-p
3.7A ↑ 160V ↓
(@15Ap)
5V p-p
4.5A ↑ 45V ↓
(@10Ap)
1.2A ↑ 13V ↓ 120mV p-p
10A ↑ 3.6V ↓ 100mV p-p
5A ↑ 11V ↓ 120mV p-p
5A ↑ 0.3V ↓ 180mV p-p
5A ↑ - 100mV p-p
4-19