LG MAX221UB Service Manual

2-2
Not available to Remocon?
OK
YES
RC902, R961
YES
NO
Checked the
Remocon Sense VDD?
YES
R962, IC401(7), CN402(11)
NO
Checked the
Remocon Sense line?
1A
Not available to Volume control?
OK
YES
EV901, IC401(6, 68), CN402(14, 15)
YES
NO
Checked the
Encoder volume?
YES
IC401(31, 32), IC601(25, 26)
NO
Checked the
Volume IC control?
1B
Not available to Key control?
OK
YES
SW901 ~ SW907, SW909 ~ SW912
YES
NO
Checked the
Tact switch?
YES
IC401(15, 16), CN402(7, 8)
NO
Checked the
Key line?
1C
[OPTIONAL]

LG MAX221UB Specifications

General

Brand	LG
Model	MAX221UB
Category	Receiver
Language	English