LG 22LV2510-TB, Service Manual

Page: 31 / 61

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.
SMALL_TN_LED_DRIVER
C10008
0.1uF
50V
C10013
1000pF
50V
Q10001
AP18T10GH
S
D
G
R10009
51K 1%
OPT
C10001
2.2uF
50V C10018
2.2uF
100V
R10019-*1
11K
1/10W
21.5"
JP10002
C10009
1uF
10V
R10005
100
1/10W
OPT
D10001
PDS5100H-13
R10007
4.7
1/10W
R10017
0.1
1%
C10015
1000pF
50V
R10001
100
1/10W
C10011
1000pF
50V
OPT
L10001
33uH
JP10001
+24V_LED_driver
C10020
2.2uF
100V
OPT
R10008
16K 1%
PWM_DIM
R10006
390
1/10W
C10016
10uF
100V
OPT
JP10003
C10003
100pF
50V
IC100
MAX16814
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
1/10W
C10004
100pF
50V
C10017
1000pF
50V
C10019
1000pF
50V
R10002 10K
1/10W
OPT
C10006
2200pF
50V
R10014
7.5K
1/8W
C10014
10uF
100V
R10016
3K
1/8W
C10005
0.1uF
50V
WLED_ENABLE
R10019
16K
1/10W
18.5"
C10012
2.2uF
100V
ERROR_OUT
R10012
5.1
OPT
C10002
2.2uF
50V
P7700
10031HR-H06
LGD
1
2
3
4
5
6
7
C10010
1000pF
50V
OPT
R10018
560K
1/10W
R10003
100
1/10W
C10021
0.1uF
50V
R10020
0
1/10W
5%
AUO_CMI
R10021
0
1/10W
5%
AUO_CMI
R10022
0
1/10W
5%
LGD
R10023
0
1/10W
5%
LGD
C10022
10uF
100V
OPT
C10007
0.33uF
50V
R10011-*1
27K
1/10W
1%
LGD
R10013-*1
27K
1/10W
1%
LGD
R10011
47K
1/10W
1%
AUO
R10013
51K
1/10W
5%
AUO
P7701
12507WR-06L
AUO_CMI
1
2
3
4
5
6
7
R10010
10K
1/8W
JP10004
JP10005
R10024
3.9K
PWM_PULL_DOWN
R10011-*2
59K
1/16W
1%
CMI
R10013-*2
59K
1/16W
1%
CMI
R10019-*2
13K
1/10W
CMI_21.5"
R10015
12
1/10W
5%
R10019-*3
18K
1/10W
CMI_18.5"
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
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
OVP=1.23x(1+R1/R2)=54.2V(CMI_21.5")
59Kohm 59Kohm
50mA_Typ
CMI_21.5_FHD
56mA_Max 47.6V_Max
560Kohm
11Kohm
43.4V_Typ
CMI_21.5
CMI_18.5
34V_Max
33V_Typ
560Kohm 18Kohm
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Only for training and service purposes
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