LG 32LV3500 Service Manual page 25

FROM LIPS & POWER B/D
+3.5V_ST
RT1P141C-T112
+3.5V_ST
Q402
R406
1 3
R461
4.7K
OPT NORMAL_EXPEPT_32
10K
R401 C P403
2
10K FW20020-24S
RL_ON
B Q401
2SC3052
L404-*1
E
R462 PWR ON
CIS21J121 1 1 1
10K
24V
3 3 3
GND
+3.5V_ST 5 5 5
L404
GND
7 7 7
MLB-201209-0120P-N2
3.5V
9 9 9
OPT 3.5V
11 11 11
C401 C406 C408
GND
100uF 13 13 13
0.1uF 0.1uF
16V GND
16V 16V 15 15 15
12V
OPT 17 17 17
12V
19 19 19
+12V/+15V 12V
21 21 21
L402
GND/P.DIM2
23 23 23
MLB-201209-0120P-N2
OPT
C404 C407
C402
25 25
0.1uF
100uF 0.1uF
16V
16V 16V
OPT
L402-*1
CIS21J121
<MODULE PIN MAP>
LGD(PSU) SHARP IPS-@
CMO10"Lamp AUO 10"Lamp
PIN No
or LIPS (PSU) (PSU) (PSU) (PSU)
16
GND GND GND GND GND
INV_ON A-DIM
18 INV_ON INV_ON INV_ON
52/60:ERROR
20 VBR-A Err_out
NC Err_out
26/32HD:NC
26/32/52:PWM
22 PWM_DIM PWM_DIM NC
NC
60:NC
26/32/52:GND
Err_out
INV_ON PWM_DIM PWM_DIM
24 60:PWM
23 GND GND GND GND GND
<LED MODULE PIN MAP -> latest update 20100618>
32LE5300-TA
32LE4500-TA
LGD LPB/ 32LE5300-TA
AUO 10"LED
PIN No CMO10"LED
LGD 10"LED
OS LPB (PSU) (PSU)
(PSU)
16 NC NC NC NC
INV_ON
18 INV_ON INV_ON
INV_ON
err_out err_out
20
NC NC
--> NC --> NC
22 PWM_DIM
NC NC
PWM_DIM
err_out err_out
PWM_DIM
24 PWM_DIM
--> NC --> NC
23 NC
NC NC
NC
LGD edge led error-out use or not? checking is necessary...
+12V/+15V
+5V_USB
C405
10uF
25V
IC401
TPS54327DDAR
[EP]GND
EN VIN
R1
1 8
R410
C413
10K
R416 R607 0.1uF
VFB VBST
56K 11K
2 7
1% 1% 50V L406
C489
3A 3.6uH
100pF VREG5 SW
3 6
NR8040T3R6N
R423
SS GND
12K
4 5
1%
C494 C493
R2
1uF 3300pF
10V 50V
Vout=(1+R1/R2)*0.765=5.03V
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 © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+12V/+15V
NORMAL_32
L407-*1
P404
FM20020-24 CIS21J121 +24V
L407
24V
2 2 2 MLB-201209-0120P-N2
24V
4 4 4
OPT
GND
6 6 6 C418
C426
GND
8 8 8 0.1uF 68uF
50V
3.5V 35V
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
POWER_18_INV_CTL
R415
100 R426
10K
SLIM_32~52
R425
P401
100
SMAW200-H24S2 C
R418 R421
POWER_24_INV_CTL INV_CTL
B 10K
6.8K
OPT
Q405
E 2SC3052 R427
10K
POWER_18_A_DIM OPT
0
R451
POWER_22_A_DIM
R485 0
POWER_20_A_DIM A_DIM
0
R453
POWER_20_PWM_DIM
POWER_24_PWM_DIM R484 PWM_DIM
0
R472 0
R471 0
PWM_PULL-DOWN_3.9K
POWER_22_PWM_DIM
R606
C416 3.9K R606-*1
OPT
0.1uF 1K
PWM_PULL-DOWN_1K
16V
+3.3V_Normal
POWER_20_ERROR_OUT
R437 100
POWER_24_ERROR_OUT ERROR_OUT
R420 100
<Module Inv to Main Pin Connection>
INV <--> MAIN
#11 <--> #24
#12 <--> #18
#13 <--> #20
#14 <--> #22
+3.5V_ST
L413
C430
2000 mA
10uF
10V
+5V_Normal
+5V_USB
L425
BLM18PG121SN1D
NON_5V_TUNER
C420 C492
22uF 22uF
16V 16V
OPT
0.01uF
C442
C409 C438
0.015uF
10uF
C436 0.1uF New item
0.015uF
0.01uF 16V
16V
50V
25V
OPT Q409
AO3407A
C443
10uF
G
25V
R431 C451
0.1uF
22K
OPT
C
R430
10K B Q407
2SC3052
OPT
C
R429 E
R435
47K
B Q406 22K
2SC3052
OPT
R489
OPT
E
10K
+1.5V_DDR
+3.5V_ST
IC407
AP7173-SPG-13 HF(DIODES)
L420
[EP]
BLM18PG121SN1D
IN OUT
1 8
R457
PG FB 4.3K
2 7
1/16W
R1
1%
VCC SS
3 6
1.5A
+3.3V_Normal
R433
10K EN GND C467
4 5
560pF
50V R2
C461
10uF
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
GND
C432
0.1uF
16V
C403
C440
10uF
0.1uF
10V 16V
S7LR core 1.2V volt
+3.3V_Normal
10K
C447
R428
0.1uF
16V
C441
0.1uF
16V
L415
3.6uH
VIN_1 PH_3
1 12
THERMAL
NR8040T3R6N
VIN_2 PH_2
2 17 11
C431
C453 C456
0.1uF GND_1 PH_1
3 IC403 10
22uF 22uF
16V
TPS54319TRE 10V 10V
C488
GND_2 SS/TR
4 9
3300pF
R1
R432
1/16W 330K 5%
C448
R436
15K 3300pF
50V
R2
4A
$ 0.165
Vout=0.827*(1+R1/R2)=1.225V
ST_3.5V--> 3.375V --> 3.46V
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)
R405-*1 R407-*1
3K 3K
PANEL_DISCHARGE_RES
PANEL_DISCHARGE_RES
C411
PANEL_VCC 0.1uF
16V
+24V
POWER_+24V
R407
R405
C455
2.2K 2.2K
0.1uF
C412 POWER_+24V
16V
OPT 0.1uF
16V
PD_+12V
OPT
+3.3V_Normal
Max 1000mA
+3.5V_ST
+1.5V_DDR
0.1uF
16V
C472
C476
22uF 0.1uF
10V 16V
POWER_ON/OFF_1
OPT
R490
10K
+12V/+15V
C490
0.1uF
16V
300 mA
+5V_TUNER
+5V_TUNER +5V_TUNER
C458 C460
10uF 10uF
25V 25V
Vout=0.8*(1+R1/R2)
IC410
AP1117EG-13
+5V_TUNER
+5V_TUNER
IN OUT
ADJ/GND
+5V_TUNER
C491
110
+5V_TUNER
0.1uF 330
R417
50V R411
+5V_TUNER
C421,C422 Close to LDO
+1.10V_VDDC
C444
0.1uF
16V
OPT
R400
FB_CORE
0
50V
100pF
C439
+12V/+15V +3.5V_ST -> 3.375V
+3.5V_ST
+3.5V_ST
R488
100K
IC408
NCP803SN293
R402
POWER_DET
100
VCC RESET
3 2
1
C474
GND
PWR_DET_ON_SEMI
0.1uF
R404
PD_+12V
100K
IC409
NCP803SN293
PD_+12V
R480
100
VCC RESET
3 2
1
GND
PD_+12V_PWR_DET_ON_SEMI
Power_DET
780 mA
+3.3V_Normal
Q403
L403
RSR025P03
BLM18PG121SN1D
S D
R446
C445 C437
G
10K
0.1uF 22uF
C423 16V
OPT 16V
R438
4.7uF 16V
R434 22K OPT
16V
10K
OPT
R445
2.2K
C
R443
10K B Q400
2SC3052
E
+5V_Normal
MAX 1A
IC406
AOZ1072AI-3
L422
3.6uH
PGND LX_2
+5V_TUNER +5V_TUNER
1 8
NR8040T3R6N
VIN LX_1
2 7
+5V_TUNER
2A
AGND EN C471 +5V_TUNER
3 6 R1
22uF
R459 C477
16V
10K
0.1uF
+5V_TUNER +5V_TUNER
FB COMP +5V_TUNER
16V
4 5
OPT
12K C427
2200pF
R458 100pF
C466
50V
R2
+5V_TUNER
+5V_Normal
IC411
AP1117EG-13
L424
BLM18PG121SN1D
+5V_TUNER
IN OUT
+5V_TUNER
R422 ADJ/GND
1 R424
+5V_TUNER
1
5%
+5V_TUNER
5%
+5V_TUNER
110
C414 C422
C415 +5V_TUNER
R408 C417 C419
0.1uF 10uF 0.1uF 330
0.1uF 10uF
16V 10V 50V R409
16V 10V
+5V_TUNER +5V_TUNER +5V_TUNER
+5V_TUNER
+3.3V_Normal
R180
10K
OPT R181
1K
OLP
TP401
OPT
Not used :
only for small(ready)
20110324
GP3_S7LR
POWER_LARGE 4
LGE Internal Use Only