CE Tech Tips — December 2022

CE Tech Tips — December 2022

Due to the danger and complexity of electronic equipment repair, the following technical tip is intended for professional reference only. Please refer to manufacturer’s recommendations as Encompass does not guarantee the accuracy, reliability or safety of this information.

LG TV, 60PV25
Reason for Service: Solarized picture.
Solution: Found lots of bad solder on Y & Z sus boards and in power supply. Check and resolder as necessary.

Samsung, LN32C540F2DXZA
Reason for Service: Won’t turn, no functions.
Solution: Discovered bad CM808 in power supply. 018uF/1KV

Samsung PN64D7000
Reason for Service: Splash screen continually cycles.
Solution: Replaced flash chip on main, IC1302. Verify by freeze spraying.

Samsung, UN55D6000DF
Reason for Service
: Set won’t start, but has standby light.
Solution: Reflowing BGA on main fixed set. IC1001

Sony TV, RA6 chassis
Reason for Service: Relay clicks, 6 blink error.
Solution: Found shorted D5002 on G board. Replacing fixed set.

Toshiba, 40G300U1
Reason for Service: Power button turns logo on, but nothing else works.
Solution: Replaced 7A fuse on inverter board and Q303.

Toshiba TV, 55SV670U
Reason for Service: Dead set.
Solution: Replacing R850 on power board fixed set. 1.8ohm/5W

Zenith TV, Z50PV220
Reason for Service: Top half of picture missing.
Solution: Replacing lower Y-buffer fixed set.

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