LG OM7560 Service Manual

3-2
ONE POINT REPAIR GUIDE
1. NO POWER
If the unit doesn’t work by no power problem, repair the set according to the following guide.
1-1. FUSE/ THERMISTOR/ BRIDGE DIODE
1-1-1. Solution
Please check and replace F901, TH901 or TH903, BD901 on SMPS board.
1-1-2. How to troubleshoot (Countermeasure)
1) Check if the fuse F901 is open or short-circuit.
2) Check if the NTC thermistor TH900 or TH903 is normal or open.
3) Check if the bridge diode BD901 is short-circuit by over current with a digital multi-meter.
1-1-3. Service hint (Any picture/ Remark)
< F901 >
If F901 is not short-circuit,
replace it with a same
specifi cations one.
< BD901 >
If BD901 is short-circuit,
replace it with a new one.
<TH901 or TH903 >
If TH901 or TH903 is open,
replace it with a new one.

LG OM7560 Specifications

Power

power consumption networked standby	0.5 W
bus power supply (USB)	5 V 0 500 mA
amplifier output power	1, 000 W

Wireless Specifications

frequency range	2402 to 2480 MHz
output power	10 dBm
minimum distance from body	20 cm

Weight and Dimensions

dimensions	330 mm x 815 mm x 302 mm
net weight	16.8 kg