DOWNLOAD LG 55LM4600 (CHASSIS:LC21C) Service Manual ↓ Size: 6.15 MB | Pages: 34 in PDF or view online for FREE

Model
55LM4600 (CHASSIS:LC21C)
Pages
34
Size
6.15 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lm4600-chassis-lc21c.pdf
Date
PREV: LG 55LM960V (CHASSIS:LD23E) Service Manual

LG 55LM4600 (CHASSIS:LC21C) Service Manual ▷ View online

LM46
-16 -
Power PCB
THERMAL
THERMAL
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.
POWER_LARGE
2011/11.22
4
GP4L_S7LR2
RL_ON
R462
10K
C439
100pF
50V
C416
0.1uF
16V
OPT
+3.5V_ST
R426
10K
C443
10uF
25V
L407-*1
MLB-201209-0120P-N2
R430
10K
+3.3V_Normal
+3.5V_ST
+24V
C453
22uF
10V
C437
22uF
16V
ERROR_OUT
C403
10uF
10V
R434
10K
IC407
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
C444
0.1uF
16V
R429
47K
OPT
R486
4.7K
OPT
IC408
NCP803SN293
PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
+3.5V_ST
POWER_DET
C408
0.1uF
16V
OPT
POWER_ON/OFF_1
+3.5V_ST
R432
330K
1/16W
5%
PANEL_VCC
R428
10K
IC409
NCP803SN293
PD_+12V_PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
OLP
C441
0.1uF
16V
+3.3V_Normal
L404-*1
MLB-201209-0120P-N2
R480
100
PD_+12V
R
4
4
2
2
7
K
1
/
1
6
W
1
%
10uF
C461
10V
L407
CIS21J121
+1.10V_VDDC
L413
C435
0.1uF
16V
NON_CI_CAP
+3.5V_ST
+12V/+15V
R461
10K
OPT
+1.5V_DDR
L404
CIS21J121
+12V/+15V
+3.5V_ST
C425
0.1uF
16V
+3.3V_Normal
C407
0.1uF
16V
OPT
C476
0.1uF
16V
R404
100K
PD_+12V
R439
33K
R419
1K
L420
BLM18PG121SN1D
C418
0.1uF
50V
C456
22uF
10V
PANEL_CTL
1:AK10
C430
10uF
10V
R181
1K
OPT
560pF
C467
50V
L402-*1
MLB-201209-0120P-N2
P403
FW20020-24S
NORMAL_EXPEPT_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
C431
0.1uF
16V
NON_CI_CAP
R421
10K
C406
0.1uF
16V
R435
22K
OPT
+3.3V_Normal
+3.5V_ST
+3.5V_ST
R406
4.7K
L402
CIS21J121
C432
0.1uF
16V
NON_CI_CAP
R433
10K
R418
6.8K
OPT
Q409
AO3407A
G
D
S
R456
4.7K
1/16W
1%
R401
10K
R427
10K
OPT
R436
15K
R431
22K
OPT
C411
0.1uF
16V
C423
4.7uF
16V
IC402
TJ3940S-2.5V-3L
1
GND
2
VOUT
3
VIN
C440
0.1uF
16V
PWM_DIM
R490
10K
OPT
IC403
TPS54319TRE
1
VIN_1
3
GND_1
7
COMP
9
SS/TR
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
R488
100K
C475
0.1uF
16V
NON_CI_CAP
R476
0
OPT
+3.3V_Normal
R475
0
OPT
C474
0.1uF
R440
5.6K
+12V/+15V
+3.5V_ST
C445
0.1uF
16V
OPT
+24V
C404
0.1uF
16V
R412
0
OPT
+3.3V_Normal
100
R420
ERROR_OUT
INV_CTL
R180
10K
OPT
R489
10K
R446
10K
OPT
R
4
4
1
5
6
K
1
/
1
6
W
1
%
R463
10K
OPT
+2.5V_Normal
C412
0.1uF
16V
PD_+12V
R402
100
R415
100
+3.3V_Normal
R438
22K
R443
10K
A_DIM
R457
4.3K
1/16W
1%
C472
22uF
10V
L415
3.6uH
NR8040T3R6N
IC408-*1
APX803D29
PWR_DET_ON_DIODES
1
GND
3
VCC
2
RESET
IC409-*1
APX803D29
PD_+12V_PWR_DET_DIODES
1
GND
3
VCC
2
RESET
C436
0.01uF
50V
0.01uF
C448
3300pF
50V
C488
3300pF
R403
1.5K
1%
POWER_+24V
R405
2.2K
PANEL_DISCHARGE_RES_2.2K
R407
2.2K
PANEL_DISCHARGE_RES_2.2K
R448
2.7K
1%
PD_+12V
R450
0
5%
PD_+3.5V
R473
1
R482
8.2K
1%
POWER_+24V
R405-*1
3K
PANEL_DISCHARGE_RES_3K
R407-*1
3K
PANEL_DISCHARGE_RES_3K
PWM1
R408
100
FOR 200HZ PWM_DIM2
R184
33
FOR LPB MODEL
P407
12507WR-08L
FOR LPB MODEL
1
2
3
4
5
6
7
8
9
R183
33
FOR LPB MODEL
I2C_SDA
I2C_SCL
C409
0.015uF
50V
0.015uF
Q400
MMBT3904(NXP)
E
B
C
Q401
MMBT3904(NXP)
E
B
C
Q405
MMBT3904(NXP)
E
B
C
Q406
MMBT3904(NXP)
OPT
E
B
C
Q407
MMBT3904(NXP)
E
B
C
C447
0.33uF
16V
+12V/+15V
R608
12K
R410
10K
L401
L425
BLM18PG121SN1D
+5V_Normal
C4072
100pF
OPT
C420
22uF
16V
C405
10uF
25V
OPT
C492
22uF
16V
OPT
L406
3.6uH
IC401
AOZ1051PI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SS
8
NC
9
[EP]LX
R609
11K
1%
R416
56K
1%
+5V_USB
R423
12K
1%
C4073
0.1uF
16V
OPT
C4074
0.1uF
16V
OPT
C4075
10uF
25V
R447
1.2K
1/16W
1%
PD_+12V
Q402
MMBT3906(NXP) 
1
2
3
R610
33K
OPT
Q403
AO3407A
G
D
S
C494
2200pF
50V
C493
0.01uF
50V
C438
0.1uF
25V
C455
0.1uF
25V
NON_CI_CAP
C451
0.1uF
25V
OPT
C442
10uF
25V
OPT
R611
0
NON_PSU_T120_LGD
R606
3.9K
PWM_PULL-DOWN_3.9K
R606-*1
1K
PWM_PULL-DOWN_1K
R445
100
R447-*1
5.1K
1/16W
1%
PD_KR_42_LIPS
L412
CIS21J121
120
L403
BLM18SG700TN1D
L/DIM_SCLK
L/DIM_MOSI
R612
33
FOR LPB MODEL_L/DIM
R613
33
FOR LPB MODEL_L/DIM
R614
33
FOR LPB MODEL_L/DIM
R615
10K
OPT
R616
10K
OPT
R617
4.7K
FOR LPB MODEL_L/DIM
L/DIM_VS
+3.3V_Normal
R450-*1
100
1%
PD_KR_42_LIPS
R405-*2
4.7K
PANEL_DISCHARGE_RES_4.7K
R407-*2
4.7K
PANEL_DISCHARGE_RES_4.7K
P401
SMAW200-H24S2
SLIM_32~52
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
P404
FM20020-24
NORMAL_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
FROM LIPS & POWER B/D
R2
+1.5V_DDR
’ERROR_OUT’ is used for
lamp(CCFL/EEFL) models.
In other words,
LED models need not use.
New item
Power_DET
24V-->3.78V --> 3.92V (3.79V)
12V -->3.58V --> 3.82V (3.68V)
Vd=550mV
+2.5V/+1.8V
R1
+3.3V_Normal
Vout=0.8*(1+R1/R2)=1.5319
Vout=0.827*(1+R1/R2)=1.225V
 Not used :
 only for small(ready)
R1
R2
$ 0.165
S7LR core 1.2V volt
ST_3.5V--> 3.375V --> 3.46V
+3.5V_ST -> 3.375V
780 mA
Max 1000mA
18.5V-->3.5V --> 3.75V (3.59V)
300 mA
1.5A
PANEL_POWER
3A
20V-->3.51V --> 3.76V (3.59V)
[To LED DRIVER]
FOR LPB Download
+5V_USB
R2
3A
R1
2000 mA
Vout=0.8*(1+R1/R2)
LOCAL DIMMING
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.
LVDS_LARGE
2011/11/14
11
GP4L_S7LR2
RXA4+
C701
10uF
16V
OPT
RXB1-
RXA3-
RXA0+
RXB3-
PANEL_VCC
RXA2+
C709
1000pF
50V
OPT
R711
10K
OPT
RXA0-
R709
10K
AUO_GND
RXA0+
RXB4-
RXA1+
RXA0-
RXACK-
R713
0
OPT
RXA2-
RXACK+
C702
1000pF
50V
OPT
C700
10uF
16V
OPT
RXA1-
P703
FI-RE51S-HF-J-R1500 
FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
R712
3.3K
OPT
+3.3V_Normal
C703
0.1uF
16V
HD
RXA1+
RXB1+
RXB0-
RXACK-
RXA2+
P705
FF10001-30
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
RXA2-
PANEL_VCC
RXA4-
RXACK+
RXB0+
RXA1-
RXA3-
C710
0.1uF
16V
FHD
RXA3+
RXB4+
RXBCK-
RXB3+
RXA3+
RXB2+
RXB2-
RXBCK+
R705
3.3K
OPT
R710
10K
OPT
+3.3V_Normal
R706
0
PSU_T120_LGD
PWM_DIM
OPC&SCANNING_CTRL
R703
3.3K
OPT
+3.3V_Normal
R704
10K
OPT
L702
70-ohm
FHD
L701
BLM18SG700TN1D
70-ohm
HD
AUO_GND/LGD_NC
LVDS_SEL
[30Pin LVDS Connector]
 (For HD 60Hz_Normal)
LVDS for large inch
[51Pin LVDS Connector]
 (For FHD 60Hz)
RXB3-
RXA4-
RXA0+
RXB4-
RXB1+
RXB1+
RXA4+
RXB3-
RXA4+
RXA2-
RXB3+
RXB2+
MIRROR
FOR FHD REVERSE(8bit)
RXA0+
RXA3-
RXB0-
RXA2+
RXACK-
RXA1+
RXA4-
RXB1+
RXB3-
RXA2+
RXB2-
RXB4+
RXB3-
RXB0+
MIRROR
RXB3+
RXB2-
RXBCK+
RXACK-
RXB3+
RXB1+
RXA1+
RXA0-
RXB2-
RXB4+
RXA2+
RXA2+
RXA4+
RXB1-
RXB0-
RXA3+
RXA0-
RXB4-
RXBCK-
RXB1-
RXA1-
RXA4-
RXA3-
RXA1+
RXA0-
RXA4-
RXB2+
RXA2-
RXB4-
RXA3-
RXACK+
RXA4+
RXB1-
RXB3+
RXA4-
RXB1-
Pol-change
Shift
RXB2-
RXA2+
RXB4+
RXACK-
RXA1-
RXB4+
RXB0+
RXB3-
RXA1-
RXA0+
RXA3-
RXBCK+
RXA0-
RXB0-
RXB1+
RXA0+
RXBCK+
RXA0-
RXBCK+
RXACK-
RXA2-
RXA4+
RXACK+
RXA2-
RXB0-
RXB1-
RXB3+
RXBCK+
RXB3-
RXB0-
RXB2+
RXB0-
RXB2-
RXA3+
RXACK-
RXB0+
RXB2+
RXA3+
RXB0+
RXA1-
RXA4-
RXB4+
RXA2-
RXA2+
RXA0+
RXB1-
RXB2-
RXA3+
RXBCK+
RXB4-
RXB2+
RXA3+
RXB4-
RXB2+
RXBCK-
RXA1-
RXA0+
Change in S7LR
RXBCK-
RXA4+
Pol-change
RXA0-
RXB3-
RXB4-
RXACK+
RXB0+
RXB4+
RXBCK-
RXACK+
RXB0+
RXA3-
RXA3+
Change in S7LR
RXBCK-
RXA3-
RXBCK-
RXACK+
RXA4-
RXB0-
RXACK-
RXA1+
RXACK-
RXB1+
RXA1-
RXA3+
RXA2-
RXB4-
RXA3-
RXA0-
RXB1-
RXBCK-
RXBCK+
RXA1+
RXB3+
RXB3+
RXA1-
RXB2-
RXB1+
RXA2-
RXB4+
RXACK+
RXA0+
RXA1+
RXA4+
FOR FHD REVERSE(10bit)
RXB2+
RXB0+
RXA1+
RXACK+
RXA2+
LVDS_SEL
SCANNING_EN
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