Read LG 32LV3400-JA (CHASSIS:LE13B) Service Manual online
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.
SMALL_TN_LED_DRIVER
C10008
0.1uF
50V
0.1uF
50V
21.5"
C10013
1000pF
1000pF
50V
21.5"
Q10001
AP18T10GH
21.5"
S
D
G
R10009
51K 1%
OPT
C10001
2.2uF
50V
2.2uF
50V
21.5"
C10018
2.2uF
100V
2.2uF
100V
21.5"
R10019-*1
11K
1/10W
11K
1/10W
21.5"
JP10002
C10009
1uF
10V
1uF
10V
21.5"
R10005
100
1/10W
OPT
D10001
PDS5100H-13
21.5"
R10007
4.7
4.7
1/10W
21.5"
R10017
0.1
0.1
1%
21.5"
C10015
1000pF
1000pF
50V
21.5"
R10001
100
1/10W
21.5"
C10011
1000pF
1000pF
50V
OPT
L10001
33uH
21.5"
JP10001
+24V_LED_driver
C10020
2.2uF
100V
2.2uF
100V
OPT
R10008
16K 1%
21.5"
PWM_DIM
R10006
390
1/10W
21.5"
C10016
10uF
100V
10uF
100V
OPT
JP10003
C10003
100pF
50V
100pF
50V
21.5"
IC100
MAX16814
21.5"
1
IN
3
COMP
7
SETI
9
SGND
10
DIM
11
OUT1
12
OUT2
13
LEDGND
14
OUT3
15
OUT4
16
CS
17
PGND
18
NDRV
19
DRV
20
VCC
5
FLT
8
RSDT
6
OVP
4
RT
2
EN
21
[EP]PGND/LEDGND
R10004
100K
100K
1/10W
21.5"
C10004
100pF
50V
100pF
50V
21.5"
C10017
1000pF
1000pF
50V
21.5"
C10019
1000pF
1000pF
50V
21.5"
R10002
10K
1/10W
OPT
C10006
2200pF
50V
2200pF
50V
21.5"
R10014
7.5K
1/8W
1/8W
21.5"
C10014
10uF
100V
100V
21.5"
R10016
3K
1/8W
21.5"
C10005
0.1uF
50V
0.1uF
50V
21.5"
WLED_ENABLE
R10019
16K
1/10W
18.5"
C10012
2.2uF
100V
100V
21.5"
ERROR_OUT
R10012
5.1
OPT
C10002
2.2uF
50V
2.2uF
50V
21.5"
P7700
10031HR-H06
21.5"_LGD
1
2
3
4
5
6
7
C10010
1000pF
50V
OPT
OPT
R10018
560K
1/10W
1/10W
21.5"
R10003
100
1/10W
21.5"
C10021
0.1uF
50V
0.1uF
50V
21.5"
R10020
0
0
1/10W
5%
5%
21.5"_AUO
R10021
0
0
1/10W
5%
5%
21.5"_AUO
R10022
0
1/10W
5%
21.5"_LGD
R10023
0
1/10W
5%
21.5"_LGD
C10022
10uF
100V
100V
OPT
C10007
0.33uF
50V
0.33uF
50V
21.5"
R10011-*1
27K
1/10W
27K
1/10W
1%
21.5"_LGD
R10013-*1
27K
1/10W
27K
1/10W
1%
21.5"_LGD
R10011
47K
1/10W
1/10W
1%
21.5"_AUO
R10013
51K
1/10W
1/10W
5%
21.5"_AUO
P7701
12507WR-06L
21.5"_AUO
1
2
3
4
5
6
7
R10010
10K
1/8W
21.5"
R10024
3.9K
PWM_PULL_DOWN
R10015
12
1/10W
5%
12
1/10W
5%
21.5"
JP10004
JP10005
TN_module_LED_DRIVER_CIRCUIT
OVP=1.23x(1+R1/R2)=44V(18.5")
Operating Freq.
R111 : 470 --> 390
OVP=1.23x(1+R1/R2)=63.8V(21.5")
F=7.35x10^9/RT
R120 : 6.8K --> 3K
2010.06.30. hwson
for thermal Issue
for thermal Issue
close to IC100
OVP=1.23x(1+R1/R2)
R121 : 0.03 --> 0.1
close to IC100
2010.06.30 HWSON
C106 : 0.68uF --> 0.33uF
R113/R114
C104 : 10uF --> 2.2nF
2010.02.07 for PQ/19V_LED
ESD protection solution
must be modifed
wafer modify & resister add
must be modifed
TN_DRIVER
20101023
29
GP2R
11Kohm
Vs spec
51Kohm
51.2V_Typ
R10013
Module
60mA_Typ
47Kohm
27Kohm
AUO_18.5_HD
11Kohm
AUO_21.5
AUO_21.5_FHD
52.8V_Typ
36V_Max
AUO_18.5
27Kohm
63mA_Max
16Kohm
Module
LGD_21.5
R10011
OVP setting
34V_Typ
47Kohm
56V_Max
LGD_21.5_FHD
120mA_Max
560Kohm
ILED spec
R10019
57.6V_Max
560Kohm
ILED=1500/RSETI
51Kohm
R10018
63mA_Max
560Kohm
110mA_Typ
60mA_Typ
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