LG 47LM5800 Service Manual page 29

FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
+3.5V_ST
Q402
R406
R461 1 3
OPT 4.7K
NORMAL_EXPEPT_32
10K
C
R401 P403
2
10K FW20020-24S
RL_ON
B Q401
MMBT3904(NXP)
E L404-*1
R462 PWR ON
1 1 1
10K MLB-201209-0120P-N2
24V
3 3 3
OPT
+3.5V_ST
R610 GND
5 5 5
L404 33K
GND
CIS21J121 7 7 7
3.5V
9 9 9
OPT 3.5V
11 11 11
C406 C408
GND
13 13 13
0.1uF 0.1uF
GND
16V 16V 15 15 15
12V
17 17 17
+12V/+15V 12V
19 19 19
L402 12V
21 21 21
CIS21J121
GND/P.DIM2
23 23 23
OPT
C404
C407
0.1uF
0.1uF
SLIM_32~52
16V 16V
P401
SMAW200-H24S2
L402-*1
OPT
MLB-201209-0120P-N2
R476
0
PWM1
'ERROR_OUT' is used for
lamp(CCFL/EEFL) models.
In other words,
LED models need not use.
+12V/+15V
+5V_USB
L401
R410
10K
C405 C4075
10uF 10uF
25V 25V
OPT
IC401
AOZ1051PI
[EP]LX
PGND NC
1 8
VIN SS
OPT
2 7
C4073
R1 0.1uF
16V AGND EN
3 6
R416 R609
56K 11K FB COMP
4 5
3A
1% 1%
R423
OPT
12K
C4072 R2
1%
100pF
Vout=0.8*(1+R1/R2)
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.
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
L412
120
CIS21J121
NORMAL_32
+24V
P404
L407-*1
FM20020-24
MLB-201209-0120P-N2
L407
24V
2 2 2 CIS21J121
24V
4 4 4
GND
6 6 6 C418
GND
8 8 8 0.1uF
3.5V 50V
10 10 10
3.5V
12 12 12
PANEL_CTL
GND
14 14 14
GND/V-sync 1:AK10
16 16 16
INV ON
18 18 18
A.DIM
20 20 20
+3.3V_Normal
P.DIM1
22 22 22
Err OUT
24 24 24
+3.5V_ST
R419
1K
25 25 OPT R415
R412 100 R426
0
10K
C
R421
OPT
INV_CTL
B 10K
R418
OPT 6.8K
R475
E Q405 OPT
0
MMBT3904(NXP) R427
10K
NON_PSU_T120_LGD A_DIM
R611
0
PWM_DIM
OPT
C416 R606
0.1uF 3.9K
PWM_PULL-DOWN_3.9K
16V
R606-*1
1K
PWM_PULL-DOWN_1K
+3.3V_Normal
OPT
ERROR_OUT R486
4.7K
R420
100
ERROR_OUT
2000 mA +3.5V_ST
L413
+5V_Normal
+5V_USB
L425
L406
BLM18PG121SN1D
3.6uH
C430
OPT
OPT
10uF
C420 C4074
C492 10V
22uF 0.1uF
22uF
16V 16V
16V
C493
0.01uF
50V
R608
12K
C494
2200pF
50V
+12V/+15V
OPT
0.015uF C442
0.01uF C438
C409 C436 10uF
New item
0.1uF
0.015uF 0.01uF 25V
25V
50V
50V Q409
AO3407A
C443
R439
10uF
33K
25V
G
OPT
OPT
R431
R440 C451
22K
5.6K
0.1uF
25V
C
R430
10K B Q407
MMBT3904(NXP)
OPT
C
OPT
R429 E
OPT
R435
47K
B Q406
22K
MMBT3904(NXP)
R489
E
10K
+1.5V_DDR
+3.5V_ST
IC407
AP7173-SPG-13 HF(DIODES)
L420
[EP]
BLM18PG121SN1D
IN OUT
1 8
R1 R457
PG FB 4.3K
2 7
1/16W
1%
VCC SS
3 6
1.5A
+3.3V_Normal R2
R433
10K EN GND C467 R456
4 5
4.7K
560pF
1/16W
NON_CI_CAP
50V
C475 1%
C461 0.1uF
10uF 16V
10V
Vout=0.8*(1+R1/R2)=1.5319
+2.5V/+1.8V
+3.3V_Normal
IC402
+2.5V_Normal
TJ3940S-2.5V-3L
VIN VOUT
3 2
Vd=550mV
1
R473
NON_CI_CAP
GND
1
C432
0.1uF
16V
C403 C440
10uF
0.1uF
10V 16V
S7LR core 1.2V volt
C447
+3.3V_Normal
0.33uF
R428
16V
10K
C441
0.1uF
16V
L415
3.6uH
VIN_1 PH_3
1 12
THERMAL
NON_CI_CAP VIN_2 PH_2 NR8040T3R6N
2 17 11
C431
C453 C456
0.1uF GND_1 PH_1
3 IC403 10
22uF 22uF
16V
TPS54319TRE 10V 10V
GND_2 SS/TR
4 9
C488
R1
3300pF
R432
1/16W 330K 5%
C448
R436
15K 3300pF
50V
R2
3A $ 0.165
Vout=0.827*(1+R1/R2)=1.225V
ST_3.5V--> 3.375V --> 3.46V
20V-->3.51V --> 3.76V (3.59V)
+12V/+15V
PANEL_POWER 24V-->3.78V --> 3.92V (3.79V)
12V -->3.58V --> 3.82V (3.68V)
18.5V-->3.5V --> 3.75V (3.59V)
R405-*1 R407-*1
3K 3K
PANEL_DISCHARGE_RES_3K
PANEL_DISCHARGE_RES_3K
C411
PANEL_VCC
0.1uF
16V
+24V
POWER_+24V
NON_CI_CAP
C455 R405 R407
0.1uF 2.2K
2.2K
25V
POWER_+24V
PD_+12V
C412
0.1uF
PANEL_DISCHARGE_RES_2.2K
16V
PANEL_DISCHARGE_RES_2.2K
+3.3V_Normal
Max 1000mA
+3.5V_ST
+1.5V_DDR
NON_CI_CAP
C435
0.1uF
16V
C472
C476
22uF 0.1uF
10V 16V
POWER_ON/OFF_1
OPT
R490
10K
FOR LPB Download
[To LED DRIVER]
+3.3V_Normal
OPT
FOR LPB MODEL
R615
P407
10K
12507WR-08L
OPT
300 mA R616
1
10K
2
FOR LPB MODEL_L/DIM
R612
33
3
4
FOR LPB MODEL_L/DIM
R613
33
5
6
7
FOR LPB MODEL_L/DIM
R614
33
8
FOR LPB MODEL_L/DIM
9
+1.10V_VDDC
C444
0.1uF
16V
C439
50V
100pF
+3.5V_ST +3.5V_ST -> 3.375V
+3.5V_ST
R488
100K
OPT
R463
10K
PWR_DET_ON_SEMI
IC408
NCP803SN293
R402
POWER_DET
100
VCC RESET
3 2
IC408-*1
1
APX803D29
C474
GND
0.1uF
RESET VCC
2 3
1
PD_+12V
GND
R404
100K
PWR_DET_ON_DIODES
IC409-*1
PD_+12V_PWR_DET_ON_SEMI
IC409 APX803D29
NCP803SN293 PD_+12V
R480
VCC RESET 100 RESET VCC
3 2 2 3
1 1
GND GND
PD_+12V_PWR_DET_DIODES
Power_DET
780 mA
+3.3V_Normal
Q403
L403
AO3407A BLM18SG700TN1D
OPT C437
C425
G OPT
0.1uF C445
R434 22uF
R438 R446
16V
10K C423 0.1uF 16V
22K 10K
4.7uF 16V
16V
R445
100
C
R443
10K
B Q400
MMBT3904(NXP)
E
LOCAL DIMMING
L/DIM_SCLK
L/DIM_MOSI FOR LPB MODEL
R183
33
I2C_SCL
I2C_SDA
FOR LPB MODEL
R184
33
L/DIM_VS
R617
4.7K
+3.3V_Normal
OPT
R180 OPT
10K R181
1K
OLP
Not used :
only for small(ready)
GP4L_S7LR2 2011/11.14
POWER_LARGE 4
LGE Internal Use Only