LG 22LQ630H (CHASSIS:LA1EX) Service Manual ▷ View online
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.
SPI_SCK
/FLASH_WP
0
OPT
R1300
/SPI_CS
4.7K
R1303
OPT
0 . 1 u F
C1200
+3.3V_Normal
+3.3V_Normal
KRC103S
Q1300
OPT
E
B
C
+3.3V_Normal
10K
R1302
OPT
33
R1304
SPI_SDO
SPI_SDI
MX25L8006EM2I-12G
IC200
S_FLASH_MAIN_MACRONIX
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
S I / S I O 0
6
SCLK
7
HOLD#
8
VCC
W25Q80BVSSIG
S_FLASH_MAIN_WINBOND
IC200-*1
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
D I [ I O 0 ]
6
CLK
7
HOLD[IO3]
8
VCC
23
S - f l a s h
2 0 1 1 . 1 1 . 2 3
22LQ630H-UA
LA1EX
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.
0.1uF
50V
C10008
1000pF
50V
C10013
AP18T10GH
Q10001
S
D
G
51K
R10009
1%
OPT
2.2uF
50V
50V
C10001
2.2uF
C10018
100V
1/10W
11K
R10019-*1
2 1 . 5 "
JP10002
1uF
10V
C10009
1/10W
100
R10005
OPT
PDS5100H-13
D10001
1/10W
4 . 7
R10007
0 . 1
R10017
1%
1000pF
50V
C10015
1/10W
100
R10001
1000pF
50V
C10011
OPT
33uH
L10001
JP10001
2.2uF
C10020
100V
OPT
16K
R10008
1%
PWM_DIM
1/10W
390
R10006
JP10003
100pF
50V
C10003
THERMAL
MAX16814
IC100
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
1/10W
100K
R10004
100pF
50V
C10004
1000pF
50V
C10017
1000pF
50V
C10019
1/10W
10K
R10002
OPT
2200pF
50V
C10006
1/8W
7.5K
R10014
10uF
C10014
100V
1/8W
3K
R10016
0.1uF
50V
C10005
WLED_ENABLE
1/10W
16K
R10019
1 8 . 5 "
2.2uF
100V
100V
C10012
ERROR_OUT
5 . 1
R10012
R10012
OPT
2.2uF
50V
50V
C10002
10031HR-H06
P7700
LGD
1
2
3
4
5
6
7
1000pF
50V
C10010
OPT
560K
1/10W
1/10W
R10018
1/10W
100
R10003
0.1uF
50V
C10021
1/10W
0
5%
R10020
AUO_CMI
1/10W
0
5%
R10021
AUO_CMI
1/10W
0
5%
R10022
LGD
1/10W
0
5%
R10023
LGD
0.33uF
50V
C10007
1/10W
27K
1%
R10011-*1
LGD
1/10W
27K
1%
R10013-*1
LGD
1/10W
47K
1%
R10011
AUO
1/10W
51K
5%
R10013
AUO
12507WR-06L
P7701
AUO_CMI
1
2
3
4
5
6
7
1/8W
10K
R10010
JP10004
JP10005
3.9K
R10024
PWM_PULL_DOWN
1/16W
59K
1%
R10011-*2
CMI
1/16W
59K
1%
R10013-*2
CMI
1/10W
13K
R10019-*2
CMI_21.5"
1/10W
12
5%
R10015
1/10W
18K
R10019-*3
CMI_18.5"
10K
R7515
6.8K
OPT
R7511
10K
R7516
WLED_ENABLE
+3.3V_Normal
10K
OPT
OPT
R7517
1K
R7514
2SC3052
Q7502
E
B
C
INV_CTL
+3.5V_ST
+24V_LED_driver
+24V_LED_driver
+24V
MLB-201209-0120P-N2
L10002
TN_module_LED_DRIVER_CIRCUIT
OVP=1.23x(1+R1/R2)=44V(18.5")
O p e r a t i n g F r e q .
R 1 1 1 : 4 7 0 - - > 3 9 0
OVP=1.23x(1+R1/R2)=63.8V(21.5")
F=7.35x10^9/RT
R120 : 6.8K --> 3K
2010.06.30. hwson
f o r t h e r m a l I s s u e
c l o s e t o I C 1 0 0
OVP=1.23x(1+R1/R2)
R 1 2 1 : 0 . 0 3 - - > 0 . 1
c l o s e t o I C 1 0 0
2010.06.30 HWSON
C 1 0 6 : 0 . 6 8 u F - - > 0 . 3 3 u F
R113/R114
C104 : 10uF --> 2.2nF
2010.02.07 for PQ/19V_LED
E S D p r o t e c t i o n s o l u t i o n
m u s t b e m o d i f e d
w a f e r m o d i f y & r e s i s t e r a d d
m u s t b e m o d i f e d
TN_DRIVER
29
11Kohm
V s s p e c
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
O V P s e t t i n g
34V_Typ
47Kohm
56V_Max
LGD_21.5_FHD
120mA_Max
560Kohm
I L E D s p e c
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
3 . 3 K - > 1 K ( t h r e s h o l d v o l t a g e u p )
T N D r i v e r e n a b l e
T N D r i v e r p o w e r
2 0 1 1 . 1 1 . 2 3
22LQ630H-UA
LA1EX
_LED_DRIVER
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.
KJA-PH-1-0177
JK9901
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
100pF
50V
C9906
12K
R9917
10K
R9914
10K
R9911
470K
R9905
BLM18PG121SN1D
L9901
BLM18PG121SN1D
L9903
10K
R9913
12K
R9916
ADMC5M03200L_AMODIODE
5.6V
D9904
BLM18PG121SN1D
L9902
ADUC30S03010L_AMODIODE
30V
D9901
100pF
50V
C9905
75
R9907
100pF
OPT
C9907
100pF
C9901
470K
R9906
ADMC5M03200L_AMODIODE
5.6V
D9903
ADMC5M03200L_AMODIODE
5.6V
OPT
D9902
+3.3V_Normal
1K
R9915
AV_CVBS_DET
AV_CVBS_IN
AV_R_IN
AV_L_IN
31
AV1
A V j a c k
SIDE CVBS PHONE JACK
( N e w I t e m D e v e l o p m e n t )
2 0 1 1 . 1 1 . 2 3
22LQ630H-UA
LA1EX
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