LG 47LV5700-CA (CHASSIS:LC12E) Service Manual ▷ View online
THERMAL
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.
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.
R2302
33
LNB
LNB_TX
L2301
33UH
SP-7850_33
LNB
C2324
68uF
35V
LNB
C2303
0.1uF
50V
0.1uF
50V
LNB
R2303
0
LNB
+3.3V_Normal
C2304 0.1uF
LNB
SCL1_3.3V
C2305
68uF
35V
LNB
D2301
40V
SMAB34
LNB
C2310
27pF
OPT
DCDC_GND
L2302
BLM18PG121SN1D
LNB
A_GND
LNB_OUT
C2308
0.22uF
LNB
+12V
+12V_LNB
D2304
40V
SMAB34
LNB
A_GND
DCDC_GND
C2312
0.1uF
50V
0.1uF
50V
LNB
A_GND
A_GND
A_GND
D2303
40V
SMAB34
LNB
R2314
0
LNB
C2309
27pF
OPT
DCDC_GND
R2313
0
LNB
+12V_LNB
A_GND
A_GND
A_GND
C2311
10uF
25V
10uF
25V
LNB
R2301
33
LNB
C2307
0.01uF
50V
LNB
SDA1_3.3V
C2302
1uF
50V
50V
LNB
LNB_INT
R2304
4.7K
LNB
DCDC_GND
A_GND
C2306
22000pF
LNB
C2301
0.22uF
25V
IC2301
A8290SETTR-T
LNB
1
BOOST
3
TCAP
7
TDI
9
VREG
10
SDA
11
ADD
12
SCL
13
NC_2
14
IRQ
15
NC_3
16
NC_4
17
NC_5
18
NC_6
19
BFC
20
NC_7
21
NC_8
22
BFO
23
NC_9
24
BFI
25
VIN
26
LX
27
GNDLX
28
LNB
5
TDO
8
GND
6
EXTM
4
NC_1
2
VCP
29
[EP]
D2302
1000V
US1M(suzhou)
LNB
DCDC_GND and A_GND are connected in pin#27
LNB
Input trace widths should be sized to conduct at least 3A
close to Boost pin(#1)
57
DVB-S2 LNB Part Allegro
23
close to VIN pin(#25)
2A
DCDC_GND and A_GND are connected
3A
Ouput trace widths should be sized to conduct at least 2A
BCM35230
2.4A
Max 1.3A
(Option:LNB)
PCB_GND and A_GND are connected
2010.11.02
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.
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
50V
EU
R2551
75
1%
1%
EU
SC_DET/COMP2_DET
R2572
5.6K
AUD_OUT
IC2501
LM324D
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
15K
EU
DTV/MNT_L_OUT
D2510
5.6V
OPT
REC_8
COMP2_Y
R2561
12K
12K
OPT
R2518
1K
1K
AUD_OUT
SCART1_Lout_N
L2508
BLM18PG121SN1D
EU
SCART_MUTE
+5V_Normal
SC_CVBS_IN
2SC3052
Q2504
EU
R2510
470K
EU
C2534
180pF
180pF
50V
OPT
R2525
1K
EU
Q2508
2SC3052
2SC3052
OPT
E
B
C
R2543
2K
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
1uF
10V
EU
SC_RE1
R2556
1K
OPT
Q2506
2SC3052
2SC3052
OPT
E
B
C
R2529
10K
AUD_OUT
R2533
390
390
EU
D2508
5.6V
OPT
Q2507
2SC3052
2SC3052
OPT
E
B
C
R2573
5.6K
AUD_OUT
R2509
75
1%
1%
EU
DTV/MNT_L_OUT
D2506
5.5V
EU
SC_RE2
DTV/MNT_L_OUT
COMP2_Pb
C2523
4700pF
4700pF
EU
R2557
1K
OPT
C2526
0.1uF
0.1uF
50V
EU
Q2501
MMBT3906(NXP)
EU
E
B
C
COMP2_Pr
C2510
560pF
50V
560pF
50V
EU
R2552
4.7K
OPT
2SC3052
Q2503
EU
INCM_VID_SC
C2535
6800pF
AUD_OUT
50V
R2526
33K
AUD_OUT
R2528
10K
10K
AUD_OUT
D2503
30V
OPT
R2549
36
D2509
5.6V
OPT
SC_ID
DTV/MNT_R_OUT
R2504
75
1%
EU
R2507
75
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
100uF
16V
EU
C2516
100pF
50V
100pF
50V
EU
R2545
10K
EU
R2516
0
EU
SC_FB
R2511
470K
EU
Q2502
2SC3052
2SC3052
EU
E
B
C
DTV_ATV_SELECT
D2501
5.5V
EU
+12V
R2519
1K
AUD_OUT
R2536
470
EU
C2517
100pF
50V
100pF
50V
EU
C2524
47uF
16V
47uF
16V
EU
C2511
0.1uF
EU
Q2505
RT1P141C-T112
EU
1
2
3
D2512
30V
OPT
R2558
10K
10K
OPT
C2532
180pF
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
560pF
50V
EU
DTV/MNT_R_OUT
R2527
33K
AUD_OUT
SCART1_Rout_N
L2509
BLM18PG121SN1D
EU
R2517
0
EU
AUDIO_R
C2522
4700pF
4700pF
EU
L2507
BLM18PG121SN1D
NON_DTV_OUT
120-ohm
R2537
47K
47K
EU
L2506
EU
+3.5V_ST
R2532
390
390
EU
SC/COMP2_L_IN
D2505
5.5V
EU
C2513
10uF
16V
10uF
16V
AUD_OUT
C2501
0.1uF
50V
0.1uF
50V
AUD_OUT
C2525
0.1uF
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
47pF
50V
EU
R2548
10K
EU
C2521
33pF
AUD_OUT
C2520
33pF
AUD_OUT
R2544
2K
EU
R2506
75
1%
75
1%
EU
REC_8
D2502
5.5V
EU
R2508
75
1%
EU
C2533
0.1uF
16V
0.1uF
16V
C2538
1uF
25V
EU
R2530
22
EU
R2531
22
EU
R2578
10K
10K
EU
R2579
10K
EU
R2580
10K
EU
R2581
1K
1K
EU
Q2509
2SC3052
2SC3052
EU
E
B
C
Q2510
2SC3052
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
9.1K
1/16W
1%
1%
EU
R2577
10
10
EU
L2507-*1
0
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
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)
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.
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.
CHBO_TS_SYNC
CHBO_TS_SERIAL
CHB_RESET
CHBO_TS_VAL_ERR
CHBO_TS_CLK
TS Output
50
28
BCM35230
NON CHB
NON CHB
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.
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.
AMP_MUTE_HOTEL
AMP_MUTE_HOTEL
SPK_R-_HOTEL
C2901
0.1uF
CN_HOTEL
0.1uF
CN_HOTEL
P2901
12505WS-09A00
CN_HOTEL
1
2
3
4
5
6
7
8
9
10
R2904 0
CN_HOTEL
+3.3V_Normal
SPK_R+_HOTEL
AMP_RESET_N
R2903 0
CN_HOTEL
AUDIO_R
Q2901
MMBT3904(NXP)
CN_HOTEL
MMBT3904(NXP)
CN_HOTEL
E
B
C
R2901 200
CN_HOTEL
R2902
10K
CN_HOTEL
10K
CN_HOTEL
+24V_AMP
1ST : EBK61012601 2ND : 0TRDI80002A
DUAL COMPONENT
CHINA HOTEL
BCM35230
China Hotel Option
Q2901
29
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