LG 32LS3500 (CHASSIS:LC21C) Service Manual ▷ View online
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2
/ 153
I2C MAP (
LGE2112)
IC
104
NVRA
M
IC1
0
0
1
LG
E
E
21
1
1
1A
2
2
Ω
+
3.
3V
_No
rm
al
rm
al
2.
2
K
Ω
IC
103
HDC
P
E
E
PRO
M
T
U
NE
R(
A
R(
A
,D)
1
K
Ω
+
3.
3V
_TU
TU
_
SC
L
TU
_
SD
A
I2
C
_S
CL
I2
C
_S
DA
Dr
iv
in
g
Cu
rr
en
t
:
2
/4
/6
/8
mA
We
c
an
b
e
ch
an
g
ed
b
y
so
ft
wa
r
e
co
nf
ig
ur
at
io
n.
+
3.
3V
_No
rm
al
rm
al
1
K
Ω
IR B
O
A
RD
In
t
el
li
ge
n
t
se
ns
o
r
SE
N
SO
R_
SC
L
SE
N
SO
L_
SD
A
1
00
Ω
3
3
Ω
AM
P
_S
CL
(D
E
MO
D_
SC
L
)
AM
P
_S
DA
(D
E
MO
D_
SD
A
_
IC3
4
4
0
0
STA
38
0B
W
1
K
Ω
+
3.
3V
_No
rm
al
rm
al
2
2
Ω
AM
P
_S
CL
AM
P
_S
DA
2
2
Ω
T
U
NE
R(
D.
D)
R(
D.
D)
DE
M
OD
_S
CL
DE
M
OD
_S
DA
- 23 -
A2
A21
A9
A10
900
200
400
540
521
530
810
910
120
300
510
320
310
* Set + Stand
* Stand Base
+
Stand Body
LV1
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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.
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
0.1uF
16V
OPT
+3.5V_ST
R426
10K
10K
C443
10uF
10uF
25V
L407-*1
MLB-201209-0120P-N2
R430
10K
10K
+3.3V_Normal
+3.5V_ST
+24V
C453
22uF
22uF
10V
C437
22uF
16V
22uF
16V
ERROR_OUT
C403
10uF
10V
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
0.1uF
16V
R429
47K
47K
OPT
R486
4.7K
4.7K
OPT
IC408
NCP803SN293
PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
+3.5V_ST
POWER_DET
C408
0.1uF
16V
0.1uF
16V
OPT
POWER_ON/OFF_1
+3.5V_ST
R432
330K
1/16W
5%
PANEL_VCC
R428
10K
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
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
10K
OPT
+1.5V_DDR
L404
CIS21J121
+12V/+15V
+3.5V_ST
C425
0.1uF
16V
+3.3V_Normal
C407
0.1uF
16V
0.1uF
16V
OPT
C476
0.1uF
16V
R404
100K
PD_+12V
R439
33K
R419
1K
L420
BLM18PG121SN1D
C418
0.1uF
50V
C456
22uF
22uF
10V
PANEL_CTL
1:AK10
C430
10uF
10V
10uF
10V
R181
1K
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
0.1uF
16V
NON_CI_CAP
R421
10K
10K
C406
0.1uF
16V
0.1uF
16V
R435
22K
22K
OPT
+3.3V_Normal
+3.5V_ST
+3.5V_ST
R406
4.7K
4.7K
L402
CIS21J121
C432
0.1uF
16V
0.1uF
16V
NON_CI_CAP
R433
10K
10K
R418
6.8K
OPT
Q409
AO3407A
G
D
S
R456
4.7K
1/16W
1%
1/16W
1%
R401
10K
R427
10K
OPT
R436
15K
15K
R431
22K
OPT
C411
0.1uF
16V
0.1uF
16V
C423
4.7uF
16V
4.7uF
16V
IC402
TJ3940S-2.5V-3L
1
GND
2
VOUT
3
VIN
C440
0.1uF
16V
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
100K
C475
0.1uF
16V
NON_CI_CAP
R476
0
OPT
+3.3V_Normal
R475
0
0
OPT
C474
0.1uF
0.1uF
R440
5.6K
+12V/+15V
+3.5V_ST
C445
0.1uF
16V
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
0.1uF
16V
PD_+12V
R402
100
100
R415
100
100
+3.3V_Normal
R438
22K
22K
R443
10K
10K
A_DIM
R457
4.3K
4.3K
1/16W
1%
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
2.2K
PANEL_DISCHARGE_RES_2.2K
R407
2.2K
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
50V
0.015uF
Q400
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
Q401
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
Q405
MMBT3904(NXP)
E
B
C
Q406
MMBT3904(NXP)
MMBT3904(NXP)
OPT
E
B
C
Q407
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
C447
0.33uF
16V
+12V/+15V
R608
12K
12K
R410
10K
L401
L425
BLM18PG121SN1D
+5V_Normal
C4072
100pF
100pF
OPT
C420
22uF
16V
22uF
16V
C405
10uF
25V
10uF
25V
OPT
C492
22uF
16V
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
11K
1%
R416
56K
56K
1%
+5V_USB
R423
12K
1%
C4073
0.1uF
16V
0.1uF
16V
OPT
C4074
0.1uF
16V
0.1uF
16V
OPT
C4075
10uF
25V
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
2200pF
50V
C493
0.01uF
50V
0.01uF
50V
C438
0.1uF
25V
0.1uF
25V
C455
0.1uF
25V
0.1uF
25V
NON_CI_CAP
C451
0.1uF
25V
OPT
C442
10uF
25V
25V
OPT
R611
0
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
33
FOR LPB MODEL_L/DIM
R613
33
33
FOR LPB MODEL_L/DIM
R614
33
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.
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)
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.
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
10uF
16V
OPT
RXB1-
RXA3-
RXA0+
RXB3-
PANEL_VCC
RXA2+
C709
1000pF
50V
1000pF
50V
OPT
R711
10K
10K
OPT
RXA0-
R709
10K
10K
AUO_GND
RXA0+
RXB4-
RXA1+
RXA0-
RXACK-
R713
0
OPT
RXA2-
RXACK+
C702
1000pF
50V
1000pF
50V
OPT
C700
10uF
16V
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
3.3K
OPT
+3.3V_Normal
C703
0.1uF
16V
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
0.1uF
16V
FHD
RXA3+
RXB4+
RXBCK-
RXB3+
RXA3+
RXB2+
RXB2-
RXBCK+
R705
3.3K
3.3K
OPT
R710
10K
OPT
+3.3V_Normal
R706
0
PSU_T120_LGD
PWM_DIM
OPC&SCANNING_CTRL
R703
3.3K
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)
(For HD 60Hz_Normal)
LVDS for large inch
[51Pin LVDS Connector]
(For FHD 60Hz)
(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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