Tracking Control Related Signal(System Checking) - LG DP372D Service Manual

8. TRACKING CONTROL RELATED SIGNAL(System checking)

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FIG 8-1 < DVD >
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FIG 8-2 < CD >
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
T+
T-
TRSO
R314 R314
R324 R324
R325 R325
T+
T-
TRSO
3-17
U301 U301
68pF 68pF AM5898N AM5898N
C304 C304
1 BIAS 34
EN2
2 MUTE 33
CT2
3 EN1 32
COMP2
15 15
4 CT1 31
SW2
5 COMP1 30
IPK2
6
PVCC1 SW1
7 IPK1 28
PVCC2
8 PGND2 27
VOFC+
9 PGND1 26
VOFC-
35 GND 36
GND
10 PGND 25
VCC1
0 0
11 VCC2 24
VINFC
10K 10K
12 VINTK 23
VINSL+
13 VINSP 22
MGND
14 VOSP- 21
VOSL+
15 VOSP+ 20
VOSL-
16 MGND 19
MGND
17 VOTK- 18
VOTK+
22
C301 C301
V1P4
STBY R318 R318
CT1 C305 C305
R316 R316
R321 R321
29
23
TRSO
FMSO
R326 R326 0 0
SL-
SL+
T+
21
LGE Internal Use Only