Schematic Diagram - LG 32CS460 Service Manual

FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
+3.5V_ST
Q402
R461 R406 3
1
OPT NORMAL_EXPEPT_32
4.7K
10K C
R401 P403
10K 2
RL_ON FW20020-24S
B Q401
MMBT3904(NXP)
E
L404-*1 PWR ON
R462 1 1 1
10K MLB-201209-0120P-N2
24V
3 3 3
+3.5V_ST OPT
GND
R610 5 5 5
L404 33K
GND
CIS21J121 7 7 7
3.5V
9 9 9
3.5V
OPT 11 11 11
C406 C408 GND
13 13 13
0.1uF 0.1uF
GND
15 15 15
16V
16V
12V
17 17 17
12V
+12V/+15V 19 19 19
L402 12V
21 21 21
CIS21J121
GND/P.DIM2
23 23 23
OPT
C404
C407 25 25
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 rights reserved.
Only for training and service purposes
+12V/+15V
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
16 16 16 1:AK10
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
OPT R415
R412 100 R426
0
10K
C
OPT R421
INV_CTL
R418 B 10K
OPT 6.8K
+3.5V_ST
R475
0 E Q405 OPT
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
C461
+3.3V_Normal
10uF
10V
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
NON_CI_CAP
C430
OPT
OPT
10uF
C420 C4074
C492 10V
22uF 0.1uF
22uF
16V 16V
16V
C493
0.01uF
50V
R608
12K
C494
2200pF
50V
Vout=0.827*(1+R1/R2)=1.225V
OPT
0.015uF C442
0.01uF
C438
C409 10uF
C436 New item
0.1uF
0.015uF 25V
0.01uF
50V 25V
50V Q409
AO3407A
C443
R439
10uF
33K
25V G
OPT
OPT
R431
C451
22K R440
5.6K 0.1uF
25V
C
R430
10K B Q407
MMBT3904(NXP)
OPT
C
R429 OPT E
OPT
R435
47K
B Q406
22K
MMBT3904(NXP)
R489
E
10K
+1.5V_DDR
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
C467 R456
10K EN GND
4 5 4.7K
560pF
1/16W
50V
NON_CI_CAP 1%
C475
0.1uF
16V
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
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
3300pF
R1
R432 R442
1/16W 330K 5% 27K
1/16W
1%
C448
R436
15K 3300pF
50V
R2
R441
56K
3A $ 0.165
1/16W
1%
+3.5V_ST --> 3.375V --> 3.46V
+12V/+15V
+20V --> 3.51V --> 3.76V (3.59V)
PANEL_POWER
+24V --> 3.78V --> 3.92V (3.79V)
+12V --> 3.58V --> 3.82V (3.68V)
+18.5V --> 3.5V --> 3.75V (3.59V)
PD_+12V
R448
2.7K
1%
R405-*1 R407-*1
PD_+12V
4.7K 4.7K
R447
C411
1.2K
PANEL_DISCHARGE_RES_4.7K 0.1uF
PANEL_DISCHARGE_RES_4.7K
1%
16V
PANEL_VCC
PD_KR_42_LIPS
+24V R447-*1
5.1K
1%
PD_+24V
R482
8.2K
NON_CI_CAP
1%
C455
R405 R407
0.1uF 5.6K 5.6K
25V PD_+24V
R403
PD_+24V
1.5K
C412
1%
0.1uF
PANEL_DISCHARGE_RES_5.6K
16V
PANEL_DISCHARGE_RES_5.6K
+3.3V_Normal
Max 1000mA
+3.5V_ST
+1.5V_DDR
NON_CI_CAP
C435
0.1uF
16V
C472 C476
22uF 0.1uF
16V
10V
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
R488
100K
OPT
R463
PD_+3.5V
R450 10K
0
PWR_DET_ON_SEMI
IC408
5%
NCP803SN293
R402
POWER_DET
100
VCC RESET
3 2
PD_KR_42_LIPS IC408-*1
1
R450-*1
APX803D29
C474
100 GND
0.1uF
1%
RESET
2 3
1
PD_+24V
GND
R404
100K
PWR_DET_ON_DIODES
IC409-*1
PD_+24V_PWR_DET_ON_SEMI
IC409 APX803D29
NCP803SN293 PD_+24V
R480
VCC RESET 100 RESET
3 2 2 3
1 1
GND GND
PD_+24V_PWR_DET_DIODES
Power_DET
780 mA
FET_AOS +3.3V_Normal
Q403
L403
AO3407A
BLM18SG700TN1D
OPT OPT
C437
G C425 R446
C445
FET_AOS 0.1uF 22uF
R434
R438 10K 0.1uF
16V
10K C423 16V
22K 16V
4.7uF
FET_2.5V
16V
C423-*1
2.2uF
10V
FET_2.5V
R445-*1
2.2K
FET_2.5V_DIODE FET_2.5V_AOS
FET_AOS AO3435
DMP2130L
R445
Q403-*2
100 Q403-*1
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 2012/01/13
POWER_LARGE 4
LGE Internal Use Only
VCC
VCC