2. F-16 or F-17 Inverter PCB Check
• Check TH91 (Thermistor)
Thermistor : TH91
3. F-13 or F-14 or F-15 Inverter PCB Check
• Check D5 (Bridge Diode)
Bridge Diode : AC Checking
Bridge Diode : DC Checking
※ Tester pin color
LMC1575BD /00
LMC1575ST /00
LMC1575SW /00
LMC1575SB /00
※ Tester mode : Beep or resistance mode
Status
Test result
Normal
20Kohm↓
@ Room temperature
Abnormal
Open or Short
※ Tester mode : Beep mode or
resistor mode
Status
Test result
Normal
Open (OL)
Abnormal
Short (Beep)
17.42Kohm @ Room temperature
23.3℃
Example : normal
Example : normal
(Open)
※ Tester mode : Diode mode
Status
Test result
Normal
0.4V ↑ (about 0.4 ~ 0.6V)
Abnormal
0.4V ↓ or short
Example : normal
5-27
Example : abnormal
(Short or Open)
Example : abnormal(Short)
Example : abnormal
(Short)