LG 32LX330C Service Manual page 48

SCART_COMPONENT
REAR COMPONENT PHONE JACK(EAX65149705)
COMPONENT
JK4301
PEJ029-02
G_SPRING
8
E_SPRING
3
R_SPRING
4
T_SPRING
5
B_TERMINAL
7
T_TERMINAL
6
ZD4300-*1
ESD_COMP_ZENER_ROHM
ESD_COMP_ZENER_KEC
ZD4301-*1
ESD_COMP_ZENER_KEC
ESD_COMP_ZENER_ROHM
FULL SCART
AV_DET
22
COM_GND
21
SYNC_IN
20
SYNC_OUT
19
SYNC_GND2
18
SYNC_GND1
17
RGB_IO
16
R_OUT
15
RGB_GND
14
R_GND
13
D2B_OUT
12
G_OUT
11
D2B_IN
10
G_GND
9
ID
8
B_OUT
7
AUDIO_L_IN
6
B_GND
5
AUDIO_GND
4
AUDIO_L_OUT
3
AUDIO_R_IN
2
AUDIO_R_OUT
1
EU
JK4300
PSC008-03
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
COMP2_Pr+
VA4310 R4306
5.5V 75
ESD_COMP
COMP2_Pb+
VA4311 R4307
5.5V
75
ESD_COMP
COMP2_Y+/AV_CVBS_IN
R4308
* COMP2_Y+
75
ZD4300
ZD4301
+3.3V_Normal
R4300
R4310
10K
1K
AV_CVBS_DET
* Rear_COMP_DET
VA4309
5.6V
OPT
OPT
C4300
0.1uF
16V
+3.3V_Normal
R4311
10K
R4312 1K
SC1/COMP1_DET
EU
VA4313
5.6V
OPT
SC1/AV2_CVBS_IN
EU * SC1/AV_CVBS_IN
R4309 OPT
C4303
75
47pF
50V
VA4302
5.5V
ESD_SCART
VA4303 EU
VA4312
R4313
20V
5.6V 75
ESD_SCART
SIGN56000286
ESD_SCART
R4303
VA4305
75
20V
VA4306 R4304
20V
75
ESD_SCART
VA4307
20V R4301
75
ESD_SCART
R4302
VA4308
470K
5.6V
ESD_SCART
VA4304
R4305
5.6V
470K
ESD_SCART
EU
VA4301 C4301
5.6V 1000pF
OPT 50V
EU
VA4300 C4302
5.6V 1000pF
OPT 50V
SCART AMP
EU
R4323
2.2K
DTV/MNT_L_OUT
EU
EU
R4327
C4306
OPT
33K
10uF
R4324
16V
470K
EU
C4308
33pF
EU
R4328
5.6K
SCART1_Lout
330pF 220K
C4307 R4326
EU EU
CLOSE TO MSTAR
+3.3V_Normal
EU_SC_Lite
R4314
R4325
10
10K
DTV/MNT_VOUT
EU EU
EU
C4304 C4305
68pF 68pF
50V 50V EU EU_SC_Lite
R4319
R4348
22
0
EU_SC_Lite
Q4300
MMBT3904(NXP)
SC1_R+/COMP1_Pr+_1
* SC1_R+
EU
R4315
75
R4349
0
SC1_G+/COMP1_Y+_1
* SC1_Y+ EU_SC_Int
EU
R4316
15K
SC1_ID_COMM
EU * SC1_ID
SC1_B+/COMP1_Pb+_1
R4320
VA4314
* SC1_B+ 3.9K
20V
ESD_SCART
EU
R4318
10K
SC1/COMP1_L_IN
R4321
12K
EU
R4317
10K
SC1/COMP1_R_IN
R4322
12K
DTV/MNT_L_OUT
DTV/MNT_R_OUT
M13.2V
EU
C4309
0.1uF
IC4300
50V
AZ4580MTR-E1
OUT1 VCC
8
1
EU
EU
R4337
IN1- OUT2
7 2.2K
2
EU
R4332
EU IN1+ IN2-
6 33K
3 OPT
R4329
R4334
10K EU
470K
R4330
VEE IN2+ 10K
5
EU
4
C4310
33pF
EU
R4331
5.6K
EU EU
R4333 C4311
220K
330pF
CLOSE TO MSTAR
M13.2V FET
+13.2V
SC1_FB
L4300
SC1_FB_Int UBW2012-121F
120OHM
C4312
0.1uF
25V
+3.3V_Normal
SC1_FB_1
[SCART AUDIO MUTE]
DTV/MNT_L_OUT SCART_MUTE
R4335
SC1_FB_Int
2K
SCART_MUTE_NXP
Q4301
MMBT3904(NXP)
SCART_MUTE
DTV/MNT_R_OUT
R4336
2K
SCART_MUTE_NXP
Q4302
MMBT3904(NXP)
PC/COMPONENT AUDIO
JK4302
PEJ027-04
E_SPRING
3
T_TERMINAL1
6A
B_TERMINAL1
7A
R_SPRING
4
T_SPRING
5
B_TERMINAL2
7B
T_TERMINAL2
6B
@Entit
SCART_COMPONENT_EU
DTV/MNT_R_OUT
EU
C4313
10uF
16V
SCART1_Rout
FET_AOS
Q4304-*1
AO3435
M13.2V
FET_TOSHIBA
Q4304
SSM3J332R
C4315 C4316
R4339
0.1uF
10uF
33K 25V
25V
SIGN56000274
OPT
R4340
12K
C
R4338 TR_NXP
C
10K SIGN56000276
B Q4303 TR_KEC
B
MMBT3904(NXP) Q4303-*1
2N3904S
E
E
+3.5V_ST
C
SCART_MUTE_KEC
B Q4301-*1
SCART_MUTE
2N3904S
R4347
10K
E
SCART_MUTE
SCART_MUTE
C4314
C
SCART_MUTE_KEC
0.1uF
B Q4302-*1
2N3904S
E
R4343
10K
COMP2_R_IN
VA4315 R4341 R4345
470K 12K
5.6V
OPT
R4344
10K
COMP2_L_IN
R4346
VA4316 R4342
12K
470K
5.6V
OPT
14/06/23
@pageL
LGE Internal Use Only