LG 42LM660S Service Manual page 35

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.3V_NORMAL
EU
Full Scart(18 Pin Gender) R4601
CLOSE TO JUNCTION
10K
EU
D4611-*1
D4611 D4611-*2 C4604
5.6V 5.6V 5.6V 0.1uF
OPT 200pF 200pF
ESD_LG1152_SCART ESD_MTK_SCART
SC_CVBS_IN
D4609-*2
D4609 D4609-*1
5.5V
5.5V 5.5V
SHIELD 15pF
15pF
OPT
ESD_MTK_SCART ESD_LG1152_SCART
19
AV_DET
75 R4600
18
COM_GND EU
D4610 EU
D4610-*1
17 5.5V C4605
SYNC_IN
OPT 5.5V 100uF
15pF 16V
16
SYNC_OUT
ESD_MTK_SCART
15
SYNC_GND
14
RGB_IO
SC_FB
13
R_OUT
D4601
5.6V
12 D4601-*1
R_GND D4601-*2
OPT
5.6V 5.6V
11 200pF
G_OUT 200pF
ESD_MTK_SCART ESD_LG1152_SCART
10
G_GND
9 SC_R
ID
8
D4602 D4602-*1
B_OUT
5.5V 5.5V
7
OPT 15pF
AUDIO_L_IN
6 ESD_MTK_SCART
B_GND
5
SC_G
AUDIO_GND
4
D4603 D4603-*1
AUDIO_L_OUT
5.5V 5.5V
3 15pF
AUDIO_R_IN OPT
ESD_MTK_SCART
2
AUDIO_R_OUT
1
SC_B
D4604 D4604-*1
5.5V
5.5V
DA1R018H91E 15pF
OPT
ESD_MTK_SCART
JK4600
EU
SC_ID
SC_L_IN
D4605-*2
D4605 D4605-*1
D4600
5.6V
5.6V 5.6V
20V 200pF
OPT 200pF
OPT ESD_LG1152_SCART
ESD_MTK_SCART
D4600-*1 D4600-*2
20V 20V
10pF 10pF
ESD_LG1152_SCART
ESD_MTK_SCART
SC_R_IN
D4606 D4606-*1 D4606-*2
5.6V
5.6V 5.6V
OPT 200pF 200pF
ESD_MTK_SCART ESD_LG1152_SCART
BLM18PG121SN1D
L4600
DTV/MNT_L_OUT
D4607
EU EU EU
5.6V C4600
C4602
OPT
1000pF 4700pF
50V
BLM18PG121SN1D
L4601
DTV/MNT_R_OUT
EU
D4608 EU EU C4603
5.6V
C4601 4700pF
OPT
1000pF
50V
+12V
SC_DET
EU
EU EU
E
MMBT3906(NXP) C4606
R4605
Q4600 470 0.1uF
50V
B
EU EU
C
Q4601 R4606
EU
47K
MMBT3904(NXP) C
R4602
390 EU
B
C4607
47uF
25V
E
EU
R4603
390
DTV/MNT_V_OUT
Gain=1+Rf/Rg
EU
Rf
Rg EU R4607
R4604 15K
180
R4608 0
OPT
SCART GENDER 2011.10.26
46
LGE Internal Use Only