ITEM NAME:12-18V LCD universal power supply board module switch tube 300V for LCD display Can replace the following line and patch: 1.203D6.230D6 NCP1203D60R2G 203X6 2.LD7552BN LD7575SI LD7575GS LD7575 LD LD575 LD7575 3.OB2268.OB2269 4.3842.3843.3844.3845 5.EA1530.EA1532 TEA1507 TEA1522 6.DAP8A DAP08 7.1200AP40 1200AP60 1200AP100 1203P60 1203P100 8.FAN7601.FAN7530 FA5511 FAN6961 FA5500 9.L6562D.DM0365R 5H0165R DM0365R 0665 0265 10.NCP1271 NCP1270 NCP1653 11.2AS01.2BS01 FSQ100 12.SG6961 SG6841 SG6842 SG5841 Pin Definition: 1-Pin Yellow Wire:DRAIN,power control port;connect with MOS power tube D pole (usually is power switch tube middle pin) 2-Pin Black Or Pink Wire:GND,module ground wire 300V;connect with capacitor negative 3-Pin Red Wire:VCC,module power supply port;connect with feedback winding port after rectification capacitor's positive and continuous power supply;voltage range is 12-18V 4-Pin White Wire:FB,stabilivolt feedback,connect with optocoupler 4 pin;please make sure that optocoupler 3 pin connect with hot ground;if not hot ground please connect optocoupler short circuit with hot ground,and disconnect 4 pin external circuit at the same time 5-Pin Green Wire:start pin,connect with 300V capacitor positive Using Method: 1.Remove original power chip (usually 8-pin) and switch tube (mos tube) 2.Check 300V capacitor 3.Check if load port is short circuit,ad board,inverter board etc 4.Connect module corresponding circuit and check if there is false connection 5.Install it in origial heat sink position,pay attention to insulation,no short circuit 6.Power on,test whether voltage is output or not;please check out the reason if there is no output Please Note: 1. Before using this module, please first check the cold side there is no short circuit, a short circuit of the first maintenance, if the capacitor drum package, please replace the first, high-voltage package circuit is also the first short circuit, not on the module before , Remove the original module power ch.2-Pin Black Or Pink Wire:GND,module ground wire 300V;connect with capacitor negative. 5-Pin Green Wire:start pin,connect with 300V capacitor positive. Check 300V capacitor. Check if load port is short circuit,ad board,inverter board etc.
