LG 55LM610C / 55LM615S / 55LM615T (CHASSIS:LD21B) 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.
2011/11/02
DVB_S
27
GP4L_S7LR2
R2704
4.7K
LNB
A_GND
+3.3V_Normal
DCDC_GND
C2700
0.22uF
25V
LNB
A_GND
C2711
10uF
25V
10uF
25V
LNB
L2700
33UH
SP-7850_33
SP-7850_33
LNB
LNB_TX
+12V_LNB
C2702
0.1uF
0.1uF
LNB
C2709
27pF
OPT
R2701
33
LNB
LNB_OUT
C2707
68uF
35V
LNB
L2701
BLM18PG121SN1D
LNB
DEMOD_SCL
R2702
33
LNB
DCDC_GND
A_GND
A_GND
C2706
22000pF
LNB
+12V/+15V
C2703
0.1uF
50V
0.1uF
50V
LNB
A_GND
DCDC_GND
DCDC_GND
+12V_LNB
A_GND
DEMOD_SDA
IC2700
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]
C2708
0.22uF
LNB
C2701
0.01uF
50V
LNB
C2710
27pF
OPT
A_GND
C2705
68uF
35V
LNB
A_GND
R2706
0
R2705
0
D2700
40V
SX34
LNB
D2702
40V
SX34
LNB
C2712
0.1uF
50V
0.1uF
50V
LNB
A_GND
ZD1
40V
40V
LNB
D2703
30V
MBR230LSFT1G
LNB
C2713
1uF
50V
1uF
50V
LNB
A_GND
DVB-S2 LNB Part Allegro
DCDC_GND and A_GND are connected
(Option:LNB)
2.4A
Input trace widths should be sized to conduct at least 3A
DCDC_GND and A_GND are connected in pin#27
close to Boost pin(#1)
2A
Ouput trace widths should be sized to conduct at least 2A
Max 1.3A
PCB_GND and A_GND are connected
3A
close to VIN pin(#25)
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.
REAR_JACK_EU
2012/01/06
28
GP4L_S7LR2
R2801
0
EU_OPT
R2821
390
390
EU_OPT
R2820
390
390
EU_OPT
R2869
10K
EU_OPT
IC2800-*1
SN324
EU_OPT_AUK
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN3
11
GND
12
NON_INV_IN4
13
INV_IN4
14
OUT4
R2844
10K
EU_OPT
R2857
220K
EU_OPT
+3.3V_Normal
L2803
120-ohm
R2863
5.6K
5.6K
EU_OPT
R2858
220K
EU_OPT
R2825
470K
470K
COMP2_Pr+
SC1_FB
C2820
330pF
330pF
EU_OPT
DTV/MNT_R_OUT
DTV/MNT_L_OUT
R2842
1K
R2837
10K
REAR_AV
R2861
2.2K
2.2K
EU_OPT
C2815
0.1uF
0.1uF
50V
EU_OPT
C2811
1000pF
50V
1000pF
50V
OPT
R2862
5.6K
5.6K
EU_OPT
C2806
330pF
50V
AV_CVBS_DET
R2812
10K
10K
L2801
BLM18PG121SN1D
EU_OPT
R2838
1K
REAR_AV
R2841
10K
SC1_G+/COMP1_Y+
IC2800
AS324MTR-E1
EU_OPT_BCD
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
GND
12
IN4+
13
IN4-
14
OUT4
C2807
4700pF
4700pF
EU_OPT
SCART1_Rout
C2824
33pF
EU_OPT
R2802
75
R2864
470K
470K
OPT
R2830
15K
15K
EU_OPT
L2802
120-ohm
SC1_SOG_IN
C2817
0.1uF
50V
0.1uF
50V
EU_OPT
R2813
10K
10K
SC1/COMP1_DET
C2823
33pF
EU_OPT
R2823
75
R2814
15K
EU_OPT
C2805
330pF
50V
330pF
50V
R2868
10K
10K
EU_OPT
JK2803
PPJ234-02
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
4C
[RD]CONTACT_1
5D
[WH]O-SPRING
4E
[RD]CONTACT_2
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
C2800
47pF
50V
47pF
50V
EU_OPT
R2806
75
75
R2803
75
DTV/MNT_L_OUT
DTV/MNT_R_OUT
SCART1_Lout
C2801
0.1uF
0.1uF
16V
SC1_B+/COMP1_Pb+
SC1_R+/COMP1_Pr+
DTV/MNT_VOUT
R2832
10K
10K
SC1_CVBS_IN
+3.3V_Normal
R2839
2K
EU_OPT
R2866
33K
33K
EU_OPT
C2803
1000pF
50V
50V
EU_OPT
R2819
12K
12K
COMP2_Y+/AV_CVBS_IN
R2829
47K
47K
EU_OPT
R2824
75
R2822
75
R2840
2K
EU_OPT
R2804
470K
R2834
12K
R2826
470K
R2831
10K
10K
JK2801
PSC008-01
EU_OPT
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
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
DTV/MNT_L_OUT
C2814
0.1uF
0.1uF
50V
EU_OPT
COMP2_Pb+
R2867
33K
33K
EU_OPT
C2808
4700pF
4700pF
EU_OPT
R2828
470
EU_OPT
R2811
75
75
EU_OPT
COMP2_R_IN
R2818
12K
12K
DTV/MNT_R_OUT
+12V/+15V
R2807
75
75
EU_OPT
C2816
0.1uF
0.1uF
EU_OPT
R2815
22
EU_OPT
L2800
BLM18PG121SN1D
EU_OPT
+3.5V_ST
C2813
0.1uF
0.1uF
16V
REAR_AV
R2817
3.9K
3.9K
EU_OPT
SC1/COMP1_R_IN
R2816
75
EU_OPT
0
R2809
EU_OPT
R2800
0
COMPONENT1
COMP2_L_IN
R2860
2.2K
2.2K
EU_OPT
SC1_ID
R2865
470K
470K
OPT
+3.3V_Normal
R2833
12K
JK2800
PPJ-230-01
COMPONENT1
9
[GN]G
10
[GN]GND
8
[GN]C_DET
7
[BL]B
6
[RD]R
5
[WH]L_IN
4
[RD]R_IN
11
FIX-TER
13
[RD]MONO
+12V/+15V
R2805
470K
R2827
180
EU_OPT
SCART1_MUTE
SC1/COMP1_L_IN
C2819
330pF
330pF
EU_OPT
C2810
1000pF
50V
1000pF
50V
OPT
C2804
1000pF
50V
EU_OPT
COMP2_DET
R2808
10K
L2804
EU_OPT
R2810
1K
C2822
10uF
16V
10uF
16V
EU_OPT
C2821
10uF
16V
10uF
16V
EU_OPT
L2805
CM2012FR10KT
COMP2_ADC_FILTER_L
L2806
CM2012FR10KT
COMP2_ADC_FILTER_L
L2807
CM2012FR10KT
COMP2_ADC_FILTER_L
C2825
47pF
50V
47pF
50V
COMP2_ADC_FILTER
C2826
47pF
50V
47pF
50V
COMP2_ADC_FILTER
C2827
47pF
50V
47pF
50V
COMP2_ADC_FILTER
C2828
47pF
50V
47pF
50V
COMP2_ADC_FILTER
C2829
47pF
50V
47pF
50V
COMP2_ADC_FILTER
C2830
47pF
50V
47pF
50V
COMP2_ADC_FILTER
L2805-*1
0
0
COMP2_NON_ADC_FILTER
L2806-*1
0
0
COMP2_NON_ADC_FILTER
L2807-*1
0
0
COMP2_NON_ADC_FILTER
L2808
CM2012FR10KT
COMP1/SCART_ADC_FILTER_L
L2809
CM2012FR10KT
COMP1/SCART_ADC_FILTER_L
L2810
CM2012FR10KT
COMP1/SCART_ADC_FILTER_L
C2831
47pF
50V
47pF
50V
COMP1/SCART_ADC_FILTER
C2832
47pF
50V
47pF
50V
COMP1/SCART_ADC_FILTER
C2833
47pF
50V
47pF
50V
COMP1/SCART_ADC_FILTER
C2834
47pF
50V
47pF
50V
COMP1/SCART_ADC_FILTER
C2835
47pF
50V
47pF
50V
COMP1/SCART_ADC_FILTER
C2836
47pF
50V
47pF
50V
COMP1/SCART_ADC_FILTER
L2808-*1
0
0
COMP1/SCSRT_NON_ADC_FILTER
L2809-*1
0
0
COMP1/SCSRT_NON_ADC_FILTER
L2810-*1
0
0
COMP1/SCSRT_NON_ADC_FILTER
C2802
220pF
50V
220pF
50V
OPT
C2812
47uF
25V
47uF
25V
EU_OPT
C2809
100uF
100uF
16V
EU_OPT
Q2800
MMBT3906(NXP)
EU_OPT
E
B
C
Q2801
MMBT3904(NXP)
EU_OPT
E
B
C
MMBT3904(NXP)
Q2802
EU_OPT
MMBT3904(NXP)
Q2803
EU_OPT
Q2804
MMBT3906(NXP)
EU_OPT
1
2
3
D2813
20V
OPT
D2803
20V
D2804
20V
D2801
20V
OPT
D2814
20V
OPT
D2811
20V
EU_OPT
D2809
20V
OPT
D2802
20V
EU_OPT
D2812
20V
OPT
D2805
20V
D2817
5.6V
OPT
D2818
5.6V
OPT
D2800
5.6V
OPT
D2807
5.6V
OPT
D2808
5.6V
NON_EU
5.6V
OPT
D2816
D2806
5.6V
NON_EU
D2815
5.6V
OPT
D2810
5.6V
OPT
CLOSE TO MSTAR
Gain=1+Rf/Rg
Rg
COMPONENT2
IN CASE OF SMALL= 15V
Rf
[SCART AUDIO MUTE]
FULL SCART / COMPONENT1
SCART / COMPONENT&COMPSIT
TH
ER
MA
L
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.
2011/11/16
AMP_STA380BWE
34
GP4L_S7LR2
SPK_R-
+3.3V_AMP
R3402
100
NON_LIPS
C3421
0.22uF
50V
0.22uF
50V
+3.3V_AMP
C3420
0.22uF
50V
0.22uF
50V
C3405
33pF
50V
33pF
50V
OPT
R3408
43
C3406
33pF
50V
33pF
50V
OPT
R3411
0
LIPS
AMP_SCL
C3409
0.1uF
16V
R3407
43
L3402
10.0uH
SPK_R+
+3.3V_Normal
AMP_RESET
L3403
10.0uH
C3401
1000pF
50V
1000pF
50V
C3404
2.2uF
2.2uF
10V
C3418
0.22uF
50V
0.22uF
50V
R3404
0
AMP_SDA
P3400
WAFER-ANGLE
1
2
3
4
SPK_L-
SPK_R+
C3408
0.1uF
16V
0.1uF
16V
SPK_L+
AUD_LRCH
R3401
10K
NON_LIPS
SPK_R-
L3401
BLM18PG121SN1D
C3402
0.1uF
50V
0.1uF
50V
R3403
0
L3405
10.0uH
R3400
10K
NON_LIPS
SPK_L+
C3423
0.22uF
50V
0.22uF
50V
+24V_AMP
AUD_MASTER_CLK
AUD_LRCK
SPK_L-
C3403
0.1uF
0.1uF
16V
C3407
0.1uF
16V
0.1uF
16V
AUD_SCK
C3417
10uF
35V
C3400
0.1uF
50V
0.1uF
50V
C3411
0.1uF
50V
R3410
43
C3422
0.22uF
50V
0.22uF
50V
+24V
C3416
0.1uF
50V
+3.3V_AMP
C3419
0.22uF
50V
0.22uF
50V
L3404
10.0uH
+3.5V_ST
Q3400
MMBT3904(NXP)
MMBT3904(NXP)
NON_LIPS
E
B
C
R3409
43
AMP_MUTE
+24V_AMP
C3413
330pF
50V
330pF
50V
C3414
330pF
50V
330pF
50V
C3426
1000pF
50V
1000pF
50V
C3427
1000pF
50V
1000pF
50V
C3425
1000pF
50V
1000pF
50V
C3424
1000pF
50V
1000pF
50V
C3415
1uF
50V
C3412
1uF
50V
L3400
CIS21J121
IC3400
STA380BW
1
VCC_REG
2
VSS_REG
3
OUT2B
4
GND2
5
VCC2
6
OUT2A
7
OUT1B
8
VCC1
9
GND1
10
OUT1A
11
VDD_REG
12
GND_REG
13
NC_1
14
NC_2
15
NC_3
16
NC_4
17
NC_5
18
NC_6
19
NC_7
20
NC_8
21
NC_9
22
NC_10
23
NC_11
24
NC_12
25
NC_13
26
NC_14
27
NC_15
28
VDDDIG1
29
GNDDIG1
30
FFX3A
31
FFX3B
32
EAPD/FFX4A
33
TWARNEXT/FFX4B
34
VREGFILT
35
AGNDPLL
36
MCLK
37
BICKI
38
LRCKI
39
SDI
40
RESET
41
PWDN
42
INTLINE
43
SDA
44
SCL
45
SA
46
TESTMODE
47
GNDDIG2
48
VDDDIG2
49
[EP]
POWER_DET
R3412
10K
10K
NON_LIPS
SPEAKER_L
AUDIO AMP(STA380BWE)
SPEAKER_R
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