Ic801 (Tb2904Hq) - LG LAC6700R Service Manual

7. IC801 (TB2904HQ)

7-1. BLOCK DIAGRAM
C
C
C
C
C
PRE-GND
LGE Internal Use Only
1
TAB
IN1
11
1
IN2
12
1
16 AC-GND
6
IN3
15
1
IN4
14
1
13
RIP STBY
10 4
20 6
V V
CC1 CC2
OUT1 + ( )
9
PW-GND1
8
OUT1 ( )
-
7
OUT2 ( )
+
5
PW-GND2
2
-
OUT2 ( )
3
OUT3 ( )
+
17
PW-GND3 18
OUT3 ( )
-
19
OUT4 ( )
+
21
PW-GND4
24
-
OUT4 ( )
23
OFF-SET
MUTE
DET
25 22
R
1
Copyright © 2007 LG Electronics. Inc. All right reserved.
2-20
R
L
R
L
R
L
R
L
5 V
PLAY
MUTE
: PRE-GND
: PW-GND
Only for training and service purposes