LG MAX220UB Service Manual

2-17
3. IC804 (TB2931HQ)
3-1. BLOCK DIAGRAM
5 V
110 6 20
V
CC1
V
CC2
TABRipple
C2
+B
C3
C5
9
Out1 (+)
11
C1
8
7
PW-GND1
Out1 (−)
IN1
5
Out2 (+)
12
C1
2
3
PW-GND2
Out2 (−)
IN2
17
Out3 (+)
15
18
19
PW-GND3
Out3 (−)
IN3
21
Out4 (+)
14
C1
24
23
PW-GND4
Out4 (−)
IN4
13
16
C1
C6
4
Stby
25
22
Mute
C4
R1
Play
Mute
R
L
R
L
R
L
R
L
Pre-GND
AC-GND
Offset/short

LG MAX220UB Specifications

General

Brand	LG
Model	MAX220UB
Category	Receiver
Language	English