LG S92T1-C Service Manual

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ELECTRICAL TROUBLESHOOTING GUIDE
3.3 VA (3.3VA_MICOM)
Is D101 diode input
supply 3.8 VA?
Check 3.8 VA on MAIN board.
YES
YES
NO
Check D101 and replace.
No 3.3 V
Is the
VCC supplied to IC151
pin2?
Check 3.8 VA on SMPS board.
YES
YES
NO
Is there
signal at IC151
pin1?
Check IC101 pin58 (DCDC33_CTRL).
Check IC151 and replace.
YES
NO
3. POWER SUPPLY ON MAIN BOARD

LG S92T1-C Specifications

General

Brand	LG
Model	S92T1-C
Category	Home Theater System
Audio Channels	5.1.2
Rear Speaker Kit Included	Yes
Subwoofer	Wireless
Meridian Audio Technology	Yes
Dolby Atmos	Yes
DTS:X	Yes
HDMI eARC	Yes
HDMI Input(s)	2
HDMI Output(s)	1
USB	Yes
Bluetooth	Yes
Wi-Fi	Yes
Works with Google Assistant	Yes
Works with Alexa	Yes
Optical Input	Yes