LG DP372D - TRACKING CONTROL RELATED SIGNAL(System Checking)

3-17
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CT1
SL-
SL+
T+
FMSO
TRSO
STBY
V1P4
U301
AM5898N
U301
AM5898N
EN2
1
GND
35
VCC1
10
VINSL+
12
COMP2
3
CT2
2
VOSP-
21
PVCC2
7
VOSL+
14
MGND
13
PGND1
26
PGND
25
GND
36
COMP1
30
MUTE
33
PVCC1
6
SW2
4
IPK2
5
BIAS
34
VOFC-
9
VINFC
11
VINTK
23
VCC2
24
VINSP
22
SW1
29
IPK1
28
CT1
31
EN1
32
VOFC+
8
PGND2
27
VOSL-
15
MGND
16
VOTK+
17
VOSP+
20
MGND
19
VOTK-
18
R318R318
R314 15R314 15
C304
68pF
C304
68pF
R325 10KR325 10K
R316R316
C305C305
C301C301
R324 0R324 0
R321R321
R326 0R326 0
8. TRACKING CONTROL RELATED SIGNAL(System checking)
FIG 8-1 < DVD >
21
22
23
FIG 8-2 < CD >
21
22
23
22 21
23
T+
T-
TRSO
T+
T-
TRSO