Sled Control Related Signal - LG DP372 Service Manual

4. SLED CONTROL RELATED SIGNAL

9
10
11
FIG 4-1 < DVD >
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10
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FIG 4-2 < CD >
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SL-
SL+
TRSO
1
2
3
4
5
6
7
8
9
35
10
11
12
13
14
15
16
SL-
17
SL+
TRSO
3-13
STANDBY
R460 R460
10K/NC 10K/NC
U401 U401 AM5898N AM5898N
34
EN2 BIAS
33
CT2 MUTE
32
COMP2 EN1
31
SW2 CT1
30
IPK2 COMP1
29
PVCC1 SW1
28
PVCC2 IPK1
27
VOFC+ PGND2
26
VOFC- PGND1
36
GND GND
25
VCC1 PGND
24
VINFC VCC2
23
VINSL+ VINTK
22
MGND VINSP
21
VOSL+ VOSP-
20
VOSL- VOSP+
19
MGND MGND
18
VOTK+ VOTK-
R402 R402 20K 20K
R448 10K R448 10K
0.1uF 0.1uF
C414 C414
V1P4
STBY
R410 R410 10K 10K
CT1 C417 68pF C417 68pF
R423 R423 10K 10K
R429 R429 15 15
9
TRSO
R434 R434 0 0 FMSO
SL-
SL+
T+
10 11
LGE Internal Use Only