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.
DTV/MNT_V_OUT
R2535
180
EU
R2522
0
EU
C2518
1000pF
50V
EU
R2551
75
1%
EU
SC_DET/COMP2_DET
R2572
5.6K
AUD_OUT
IC2501
LM324D
AUD_OUT
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
VEE/GND
12
IN4+
13
IN4-
14
OUT4
R2571
5.6K
AUD_OUT
SCART1_Rout_P
C2537
1uF
25V
EU
R2538
15K
EU
DTV/MNT_L_OUT
D2510
5.6V
OPT
REC_8
COMP2_Y
R2561
12K
OPT
R2518
1K
AUD_OUT
SCART1_Lout_N
L2508
BLM18PG121SN1D
EU
SCART_MUTE
+5V_Normal
SC_CVBS_IN
2SC3052
Q2504
EU
R2510
470K
EU
C2534
180pF
50V
OPT
R2525
1K
EU
Q2508
2SC3052
OPT
E
B
C
R2543
2K
EU
+3.3V_Normal
IC2502
NLASB3157DFT2G
EU
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R2515
0
EU
R2534
0
HOTEL_OPT
TP2501
D2504
5.5V
EU
L2501
AUD_OUT
+12V
D2511
5.6V
C2528
1uF
10V
EU
SC_RE1
R2556
1K
OPT
Q2506
2SC3052
OPT
E
B
C
R2529
10K
AUD_OUT
R2533
390
EU
D2508
5.6V
OPT
Q2507
2SC3052
OPT
E
B
C
R2573
5.6K
AUD_OUT
R2509
75
1%
EU
DTV/MNT_L_OUT
D2506
5.5V
EU
SC_RE2
DTV/MNT_L_OUT
COMP2_Pb
C2523
4700pF
EU
R2557
1K
OPT
C2526
0.1uF
50V
EU
Q2501
MMBT3906(NXP)
EU
E
B
C
COMP2_Pr
C2510
560pF
50V
EU
R2552
4.7K
OPT
2SC3052
Q2503
EU
INCM_VID_SC
C2535
6800pF
AUD_OUT
50V
R2526
33K
AUD_OUT
R2528
10K
AUD_OUT
D2503
30V
OPT
R2549
36
D2509
5.6V
OPT
SC_ID
DTV/MNT_R_OUT
R2504
75
1%
EU
R2507
75
1%
EU
ATV_OUT
JK2501
DA1R018H91E
EU
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
G_OUT
11
R_GND
12
R_OUT
13
RGB_IO
14
SYNC_GND
15
SYNC_OUT
16
SYNC_IN
17
COM_GND
18
AV_DET
19
SHIELD
C2515
100uF
16V
EU
C2516
100pF
50V
EU
R2545
10K
EU
R2516
0
EU
SC_FB
R2511
470K
EU
Q2502
2SC3052
EU
E
B
C
DTV_ATV_SELECT
D2501
5.5V
EU
+12V
R2519
1K
AUD_OUT
R2536
470
EU
C2517
100pF
50V
EU
C2524
47uF
16V
EU
C2511
0.1uF
EU
Q2505
RT1P141C-T112
EU
1
2
3
D2512
30V
OPT
R2558
10K
OPT
C2532
180pF
50V
OPT
DTV/MNT_R_OUT
R2514
10K
EU
SC/COMP2_R_IN
D2507
5.6V
OPT
C2519
1000pF
50V
EU
SCART1_Lout_P
C2514
10uF
16V
AUD_OUT
C2509
560pF
50V
EU
DTV/MNT_R_OUT
R2527
33K
AUD_OUT
SCART1_Rout_N
L2509
BLM18PG121SN1D
EU
R2517
0
EU
AUDIO_R
C2522
4700pF
EU
L2507
BLM18PG121SN1D
NON_DTV_OUT
120-ohm
R2537
47K
EU
L2506
EU
+3.5V_ST
R2532
390
EU
SC/COMP2_L_IN
D2505
5.5V
EU
C2513
10uF
16V
AUD_OUT
C2501
0.1uF
50V
AUD_OUT
C2525
0.1uF
50V
EU
R2524
6800pF
AUD_OUT
50V
R2513
75
EU
+12V
R2570
5.6K
AUD_OUT
R2542
1K
1%
EU
C2536
47pF
50V
EU
R2548
10K
EU
C2521
33pF
AUD_OUT
C2520
33pF
AUD_OUT
R2544
2K
EU
R2506
75
1%
EU
REC_8
D2502
5.5V
EU
R2508
75
1%
EU
C2533
0.1uF
16V
C2538
1uF
25V
EU
R2530
22
EU
R2531
22
EU
R2578
10K
EU
R2579
10K
EU
R2580
10K
EU
R2581
1K
EU
Q2509
2SC3052
EU
E
B
C
Q2510
2SC3052
EU
E
B
C
+3.3V_Normal
+3.3V_Normal
D2513
30V
EU
JP2501
JP2502
JP2503
JP2504
JP2505
JP2506
JP2507
JP2508
JP2509
JP2510
JP2511
JP2512
R2539
9.1K
1/16W
1%
EU
R2577
10
EU
L2507-*1
0
DVT_OUT
CLOSE TO JACK
IN CASE OF SMALL= 15V
1ST : 0TRIH80004A, 2ND : EBK61012501, 3RD : 0TR102009AM
[SCART AUDIO MUTE]
1ST : EBK61012701, 2ND : EBK58172301
Selece = Low ==> A = B0
CLOSE TO SOC
Q2502,Q2503
Q2504,Q2506
Q2507,Q2508
1ST : T-BAT54_SUZHO, 2ND : 0DSON00138A
Gain=1+Rf/Rg
CLOSE TO JUNCTION
AUD_OUT >> EU/CHINA_HOTEL_OPT
CLOSE TO SOC
CLOSE TO JUNCTION
Q2505
Selece = High ==> A = B1
[SCART PIN 8]
Full Scart(18 Pin Gender)
D2513
SCART
CLOSE TO soc
25
CLOSE TO SOC
Q2501
CLOSE TO JUNCTION
Rf
BCM35230
DUAL COMPONENT
Rg
1ST : 0TRIY80001A 2ND : 0TR387500AA
10K/1K to match ADC Full-Scale range
(1% of accruacy)
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 55LW980S
Page 44: ......
