Read LG 26LQ630H (CHASSIS:LA1EY) Service Manual online
+2.5V_Normal
0 . 1 u F
16V
16V
C432
1
R473
+3.3V_Normal
10uF
10V
10V
C403
0 . 1 u F
16V
16V
C440
AZ2940D-2.5TRE1
IC402
2
GND
3
VOUT
1
VIN
100
R480
OPT
0 . 1 u F
16V
16V
C411
+3.5V_ST
100K
R404
+24V
100K
R488
+12V/+15V
POWER_DET
10K
R463
OPT
0 . 1 u F
C474
+3.5V_ST
0 . 1 u F
16V
16V
C412
PD_+12V
100
R402
NCP803SN293
IC409
1
GND
3
VCC
2
RESET
NCP803SN293
IC408
1
GND
3
VCC
2
RESET
8.2K
1%
R482
POWER_+24V
1.5K
1%
R403
POWER_+24V
2.7K
1%
PD_+12V
R448
0 . 1 u F
16V
16V
C477
NR8040T3R6N
3.6uH
L422
100pF
50V
OPT
C427
L417
10K
R459
12K
R458
+12V/+15V
2200pF
C466
10uF
25V
25V
C458
10uF
25V
25V
C460
22uF
16V
16V
C471
0 . 1 u F
16V
16V
C490
4.7K
R486
OPT
0 . 1 u F
16V
C416
OPT
PWM_DIM
0
POWER_23_GND
R476
0 . 1 u F
16V
C407
OPT
ERROR_OUT
+3.3V_Normal
A_DIM
SCAN_BLK1/OPC_OUT
+3.3V_Normal
RT1P141C-T112
Q402
1
2
3
100
R415
POWER_18_INV_CTL
0
POWER_22_A_DIM
R485
1K
R419
FW20020-24S
P403
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
SMAW200-H24S2
SLIM_32~52
P401
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
INV_CTL
0 . 1 u F
16V
16V
C408
OPT
TP5305
OPC_OUT
10K
R401
100uF
16V
C401
OPT
10K
R427
0
POWER_20_PWM_DIM
R484
0
POWER_24_GND
R475
4.7K
R406
TP5304
SCAN_BLK2
0 . 1 u F
16V
16V
C406
+3.5V_ST
10K
R426
OPT
MLB-201209-0120P-N2
L404
0 . 1 u F
16V
C404
+24V
+3.5V_ST
RL_ON
0
POWER_20_A_DIM
R453
+12V/+15V
MLB-201209-0120P-N2
L407
100
POWER_20_ERROR_OUT
R437
0
POWER_18_A_DIM
R451
+3.5V_ST
10K
R421
100uF
16V
C402
OPT
FM20020-24
P404
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
100
POWER_24_INV_CTL
R425
0
POWER_22_PWM_DIM
R471
68uF
35V
C426 OPT
0
POWER_16_GND
R412
0 . 1 u F
50V
C418
6.8K
OPT
R418
0
POWER_24_PWM_DIM
R472
100
R420
POWER_24_ERROR_OUT
TP5306
MLB-201209-0120P-N2
L402
CIS21J121
L402-*1
CIS21J121
L404-*1
CIS21J121
L407-*1
1K
R496-*1
PWM_PULL-DOWN_1K
3K
R405-*1
PANEL_DISCHARGE_RES
0 . 1 u F
16V
16V
C438
33K
R439
AO3407A
Q409
G
D
S
+12V/+15V
10uF
16V
OPT
16V
OPT
C442
3K
PANEL_DISCHARGE_RES
R407-*1
10uF
25V
C443
2.2K
R405
OPT
1608
0 . 1 u F
50V
50V
C451
OPT
0 . 1 u F
16V
16V
C455
47K
R429
OPT
5.6K
R440
L412
PANEL_CTL
001:AL22
10K
R430
22K
R431
OPT
PANEL_VCC
22K
R435
OPT
2.2K
R407
OPT
0 . 1 u F
50V
50V
24V_LED_POWER
C492
0
24V_LED_POWER
R491
PWM_DIM
ERROR_OUT
100
24V_LED_POWER
R489
+24V_LED_driver
SM14B-SRSS-TB
24V_LED_POWER
P410
1
24V
2
24V
3
24V
4
24V
5
24V
6
GND
7
GND
8
GND
9
GND
10
GND
11
ERROR_OUT
12
INV_ON
13
NC
14
PWM_DIM
15
GND
1uF
6.3V
6.3V
OPT
C496
+24V
MLB-201209-0120P-N2
24V_LED_POWER
L430
+24V_LED_driver
100
24V_LED_POWER
R490
0 . 1 u F
16V
16V
C444
1/16W
56K
1%
R441
NR8040T3R6N
3.6uH
L415
22uF
10V
C456
22uF
10V
C453
3300pF
50V
C448
15K
R436
1/16W 330K 5%
R432
0 . 1 u F
16V
C441
100pF
50V
C439
+1.10V_VDDC
0
R400
OPT
0
R495
THERMAL
TPS54319TRE
IC403
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]
0 . 1 u F
16V
C447
10uF
10V
10V
C430
10K
R428
3300pF
C488
L413
FB_CORE
+3.3V_Normal
1/16W
27K
1%
R442
0 . 1 u F
16V
16V
C431
+3.5V_ST
10uF
10V
C461
+1.5V_DDR
BLM18PG121SN1D
L420
+3.5V_ST
0 . 1 u F
16V
C476
1/16W
4.3K
1%
R457
560pF
50V
50V
C467
10K
R433
22uF
10V
C472
THERMAL
AP7173-SPG-13 HF(DIODES)
IC407
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[ E P ]
+3.3V_Normal
10K
R464
+3.5V_ST
+5V_Normal
2.2K
R461
10K
R497
OPT
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.
1/16W
4.7K
5%
R493
10K
R413
1.2K
1%
R447
PD_+12V
L400
THERMAL
AOZ1051PI
IC406
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SS
8
NC
9
[EP]LX
22uF
10V
10V
OPT
C410
+3.3V_Normal
+12V/+15V
12K
R416
10K
1%
R424
10uF
25V
25V
C424
THERMAL
AOZ1051PI
IC401
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SS
8
NC
9
[EP]LX
2200pF
C428
0 . 1 u F
16V
16V
C435
22uF
16V
16V
C434
0 . 1 u F
16V
16V
C425
10K
R417
10uF
25V
25V
C423
100pF
50V
OPT
C433
NR8040T3R6N
3.6uH
L408
L406
22uF
10V
10V
OPT
C437
CIC21J501NE
L409
0 . 1 u F
16V
16V
C421
100pF
50V
OPT
C419
+5V_USB
12K
R408
2200pF
C415
22uF
16V
16V
C420
+12V/+15V
L401
10uF
25V
25V
C413
0 . 1 u F
16V
16V
C414
10uF
25V
25V
C405
500
L405
10K
R409
NR8040T3R6N
3.6uH
L403
22uF
10V
10V
OPT
C422
THERMAL
AOZ1051PI
IC400
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SS
8
NC
9
[EP]LX
0 . 0 1 u F
50V
C436
0 . 0 1 u F
0 . 0 1 u F
50V
50V
24V_LED_POWER
C493
3.9K
R496
PWM_PULL-DOWN_3.9K
0 . 0 1 5 u F
50V
50V
C409
0 . 0 1 5 u F
10K
R434
POWER_ON/OFF1
+3.5V_ST
4.7K
5%
PD_+3.5V
R450
+3.5V_ST
10K
R438
0 . 0 1 u F
50V
50V
C429
0 . 0 1 u F
50V
50V
C400
0 . 0 1 u F
50V
50V
C417
22K
1%
R423
10K
1%
R422
12K
1%
R414
12K
1%
R467
56K
1%
R411
56K
1%
R466
11K
1%
R465
11K
1%
R410
2SC3052
Q407
E
B
C
2SC3052
Q401
E
B
C
2SC3052
Q406
E
B
C
2SC3052
Q405
E
B
C
+2.5V/+1.8V
Vd=550mV
300 mA
+3.3V_Normal
4
Power
2 4 V - - > 3 . 7 8 V - - > 3 . 9 2 V ( 3 . 7 9 V )
1 8 . 5 V - - > 3 . 5 V - - > 3 . 7 5 V ( 3 . 5 9 V )
+ 3 . 5 V _ S T - > 3 . 3 7 5 V
2 0 V - - > 3 . 5 1 V - - > 3 . 7 6 V ( 3 . 5 9 V )
1 2 V - - > 3 . 5 8 V - - > 3 . 8 2 V ( 3 . 6 8 V )
S T _ 3 . 5 V - - > 3 . 3 7 5 V - - > 3 . 4 6 V
Power_DET
MAX 1A
+5V_Normal
3A
R2
R1
16
PIN No
INV_ON
26/32/52:GND
INV_ON
26/32/52:PWM
NC
CMO10"LED
NC
GND
e r r _ o u t
(PSU)
NC
GND
<LED MODULE PIN MAP -> latest update 20100618>
e r r _ o u t
23
GND
GND
NC
SHARP
e r r _ o u t
INV_ON
e r r _ o u t
AUO 10"Lamp
NC
INV_ON
A-DIM
LGD LPB/
23
<MODULE PIN MAP>
INV_ON
GND
o r L I P S
NC
CMO10"Lamp
26/32HD:NC
(PSU)
NC
INV_ON
E r r _ o u t
PWM_DIM
NC
22
(PSU)
OS LPB
(PSU)
24
AUO 10"LED
18
32LE5300-TA
32LE4500-TA
LGD(PSU)
NC
VBR-A
(PSU)
NC
E r r _ o u t
GND
PWM_DIM
20
NC
60:PWM
INV_ON
PWM_DIM
GND
PWM_DIM
NC
INV_ON
PWM_DIM
E r r _ o u t
LGD 10"LED
52/60:ERROR
GND
--> NC
GND
NC
20
32LE5300-TA
22
--> NC
IPS-@
16
--> NC
P o w e r c o n n e c t o r
60:NC
18
PWM_DIM
--> NC
24
PWM_DIM
INV_ON
(PSU)
PIN No
GND
NC
PWM_DIM
NC
(PSU)
< M o d u l e I n v t o M a i n P i n C o n n e c t i o n >
INV <--> MAIN
# 1 1 < - - > # 2 4
# 1 2 < - - > # 1 8
# 1 3 < - - > # 2 0
# 1 4 < - - > # 2 2
# 1 1 < - - > # 2 4
# 1 2 < - - > # 1 8
# 1 3 < - - > # 2 0
# 1 4 < - - > # 2 2
PANEL_POWER
26"module 24V
R2
S 7 L R c o r e 1 . 2 V v o l t
$ 0 . 1 6 5
4A
R1
Vout=0.827*(1+R1/R2)=1.225V
R2
1.5A
R1
V o u t = 0 . 8 * ( 1 + R 1 / R 2 ) = 1 . 5 3 1 9
+1.5V_DDR
Max 1000mA
2 0 1 1 . 0 8 . 1 6
LA1EY
S 6 5 0 0 ( S a t u r n 7 L R )
R1
R2
Vout=0.8*(1+R1/R2)=3.36V
MAX 1A
3A
3A
R1
Vout=0.8*(1+R1/R2)=5.27V
MAX 1A
R2
+5V_USB
Vout=0.8*(1+R1/R2)=5.27V
New item
Click on the first or last page to see other 26LQ630H (CHASSIS:LA1EY) service manuals if exist.