LG HT963SA-DP Service Manual

Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2-6
NO
NO
Check connection lines
between FLASH &ES8391
and the FLASH access time
whether is suitable or not.
YES
YES
YES
YES
Check AV cable
connection to TV set.
YES
YES
YES
Flash
Memory operates
properly?
NO
Check connection lines
between SDRAM(IC502) &
ES8391 and the SDRAM is
damaged.
SDRAM
works properly?
NO
Check the related circuit of
ES8391 IC501 Pins 99, 100,
103, 104, 105, 106.
ES8391
VIDEO outputs
properly?
Show LOGO?
NO
NO
Check the load OPEN &
CLOSE switch.
Check AV cable connection
between main PCBA and
loader. (MECHA)
YES
YES
YES
Normal
OPEN_SW,
CLOSE_SW
signal?
NO
Check the Tray control IO pins
on ES8391.
Normal
TROPEN & TRCLOSE
signal?
NO
Check the Tray control MOTOR
& SERVO circuit IC401.
Normal
LOAD+ & LOAD-signal?
Does
Tray move inside when it
is not at closed
position?
Power On.
A
B

LG HT963SA-DP Specifications

General

Brand	LG
Model	HT963SA-DP
Category	Receiver
Language	English