Table of Contents
Advertisement
FMAM TUNER CHECK
CHECK TU701
PIN2=9V.
YES
CHECK
CE,DI,DO,CLK.
YES
CHECK TUNER
OPERATION.
DVD & USB
Power On
YES
Show Logo?
YES
LGE Internal Use Only
NO
NO
NO
Does Flash
ROM operates
properly?
YES
Does
SDRAM operates
properly?
YES
ES8380 operates
properly?
Check path between
NO
Flash ROM and
ES8380.
NO
Check path between
SDRAM and ES8380.
Check
NO
Pin133,134,137,138,13
9,140 of ES8380.
- 3-6 -
Copyright © 2007 LG Electronics. Inc. All right reserved.
CHECK SMPS.
CHECK IC104.
NO
Replace Flash ROM
(IC502).
NO
Replace SDRAM
(IC503).
NO
Replace ES8380
(IC501).
Only for training and service purposes
Hide quick links:
Advertisement
Table of Contents
