LG 26LN46 -Z Series, Руководство по обслуживанию

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THERMAL
THERMAL
THERMAL
THERMAL
THERMAL
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.
+19V
+3.5V_ST
PANEL_CTL
+3.5V_ST
POWER_ON/OFF2_3
+5V_NORMAL
PANEL_VCC
+3.3V_NORMAL
POWER_DET
+12V
RL_ON
PANEL_VCC
+19V
POWER_ON/OFF2_3
+3.3V_NORMAL
POWER_ON/OFF2_1
POWER_ON/OFF2_4
RL_ON_BUFFER
VDD3V3_HDMI
+3.3V_NORMAL
+3.5V_ST
POWER_ON/OFF2_2
INV_CTL
POWER_ON/OFF1
+3.5V_ST
WLED_ENABLE
+3.5V_ST
+5V_NORMAL
+12V
+1.2V_MTK_CORE
POWER_ON/OFF1
+3.5V_ST
POWER_ON/OFF2_3
WLED_ENABLE
ERROR_OUT
+24V_BLU
+24V_BLU
PWM_DIM1
+3.5V_ST
+3.5V_ST
+12V
+5V_NORMAL
RL_ON_BUFFER
+1.5V_DDR
POWER_ON/OFF2_1
PCM_5V_CTL
+5V_CI_ON
+5V_NORMAL
POWER_ON/OFF2_2
+3.3V_NORMAL
R2436 16K
1%
L2408
BLM18SG121TN1D
OPT
C2440
1uF
25V
R8889
10K
R2417
100K
OPT
R2451
2K
1/8W
OPT
C2423
0.01uF
50V
C2427
0.1uF
16V
R8813
6.8K
OPT
C2429
0.1uF
16V
R2452
2K
1/8W
OPT
R8809
10K
OPT
R2418
100
R2454
0
1/16W
5%
OPT
Q2407
AO3407A
G
D S
R8812
1K
R8801
10K
C2433
0.1uF
50V
R2438
51K
1%
R2416
100K
R8808
3.3K
OPT
R2410
2.7K
1%
OPT
R8823 10K
R2453
10K
C2428
10uF
10V
Q8802
MMBT3906(NXP)
1
2
3
R2421
10K
OPT
C2435
4.7uF
50V
OPT
C2426
22uF
10V
C2422
0.1uF
50V
C8817
0.1uF
50V
C8816
0.1uF
50V
C2432
0.01uF
50V
R2409
1.2K
1%
OPT
C2425
22uF
10V
C2412
0.1uF
16V
D2401 40V B540C
JK8800
KJA-DC-1-0032
1
1
2 2
4
4
L2409
BLM18PG121SN1D
R2439
10K
L2407
4.7uH
C2410
0.1uF
50V
R8811
10K
R2412
8.2K
5%
C2443
0.1uF
50V
R2437
10K
C2453
0.1uF
16V
C2411
0.1uF
16V
OPT
L8804
MLB-201209-0120P-N2
L2406
BLM18PG121SN1D
R8888
10K
C8820
68uF
35V
R8828
10K
R2413
0
5%
OPT
C2424
150pF
50V
R2419
100
OPT
L2401
BLM18SG121TN1D
C2400
10uF
16V
C2408
10uF
10V
R2402
6.8K
R2403
10K
C2403
0.1uF
16V
OPT L2400
BLM18PG121SN1D
C2404
0.1uF
16V
C2407
10uF
10V
C2441
47pF
50V
OPT
C2402
10uF
16V
C2409
10uF
10V
L2404
2uH
R2404 5.1K
1%
C2414
10uF
10V
R2406 10K
1%
L2405
BLM18PG121SN1D
R2400
0
OPT
IC2400
BD86106EFJ
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
SW_1
8
SW_2
9
[EP]
IC2404
RT8289GSP
3
NC_2
2
NC_1
4
FB
1
BOOT
5
EN
6
GND
7
VIN
8
SW
9
[EP]GND
R2424
51K
1/16W
C2461
100pF
50V
C2449
47pF
50V
C2406
10uF
25V
R2415
470K
1/16W
R2429
3.3
1/16W
R2405
10K
C2462
68uF
35V
C2458
0.22uF
16V
R2434 0.1 1W
C2467
1uF
10V
OPT
R2443
100
1/16W
OPT
C2464
1uF
50V C2463
68uF
35V
R2420
10K
1/16W
R2422 1.5K 1/16W
C2465
1uF
50V
C2401
47uF
25V
R2435 0.1 1W
IC2406
TPS40210DGQR
3
DIS/EN
2
SS
4
COMP
1
RC
5
FB
6
GND
7
ISNS
8
GDRV
9
BP
10
VDD
11
[EP]
D2400
100V
BR210
R
2
4
0
8
1
0
K
1
/
1
6
W
C2415
2200pF
50V
JP2400
C2416
100pF
50V
C2466
1uF
50V
OPT
R2444 0 1/16W
OPT
JP2402
JP2403
P2400
SM14B-SRSS-TB
24V
24V
24V
24V
24V
GND
GND
GND
GND
GND
ERROR_OUT
INV_ON
NC
PWN_DIM
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
L2402
10uH
R2401
4.7K
R2425
30K
1/16W
Q2400
MMBT3904(NXP)
E
B
C
JP2401
R2423
220K
1/16W
C2413
0.1uF
50V
OPT
R2426
1K
1/16W
C2459
1uF
10V
Q2401
AOD478
S
D
G
R2450
0
L2403 10uH
C2473
47uF
25V
C2468
10uF
25V
C2471
220pF
50V
C2469
0.1uF
50V
R2447
10
R2446
36K
R2448
300K
D2402 40V SMAB34
C2475
0.1uF
50V
R2445
100K
C2472
150pF
50V
OPT
R2449
68K
C2474
10uF
10V
C2470
0.1uF
16V
IC2407
MP1584EN
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
R2457
100K
1/10W
1%
R2458
33K
1/10W
1%
R2456
39K
1/10W
1%
IC2402
APX803D29
OPT
1
GND
3
VCC
2
RESET
IC2401
APX803D29
1
GND
3
VCC
2
RESET
Q2406
MMBT3904(NXP)
E
B
C
Q8800
MMBT3904(NXP) E
B
C
Q8811
MMBT3904(NXP) E
B
C
C2480
0.1uF
50V
R2460
10
C2479
0.1uF
50V
R2464
100K
C2485
100pF
50V
C2478
0.1uF
50V C2488
0.1uF
50V
R2462
4.7K
R2469
0
IC2408
NB634EL
3
SW_2
2
SW_1
4
SW_3
1
IN
6
BST
5
SW_4
7
EN/SUNC
8
FB
9
PG
10
AAM
11
VCC
12
GND_1
13
GND_2
14
AGND
15
[EP]
R2459
22K
OPT
R2463
82K
L2412 15uH
R2461
82K
R2467
12K
1%
R2466
820 1%
R2465
331%
R2470
0
C2481
47uF
25V
OPT
C2482
10uF
25V
OPT
C2483
10uF
25V
OPT
C2484
10uF
25V C2486
10uF
25V
C2417
10uF
25V
C2405
0.0068uF
50V
R2430
10K
C2450
0.01uF
50V
C2454
10uF
10V
L2411
2.2uH
NR5040T2R2N
C2420
0.1uF
16V
C2447
10uF
10V
C2455
0.1uF
16V
C2448
10uF
10V
R2431
15K
1/16W 5%
ZD2401
5V
OPT
C2419
0.1uF
16V
C2451
10uF
10V
C2452
100pF
50V
C2418
10uF
10V
R2455 47K
1%
C2421
4700pF
50V
IC2403
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]
C2457
0.1uF
16V
C2456
10uF
10V
R2432
330K 1/16W 5%
R2433
56K
1/16W
1%
R6218
10K
CI
C6210
1uF
25V
CI R6217
100
CI
IC6200
AP2151WG-7
CI
3
FLG
2
GND
4
EN
1
OUT
5
IN
C2434
0.1uF
16V
OPT
C2431
10uF
16V
C2445
100pF
50V
OPT
L2410
2uH
NR8040T2R0N
C2437
0.1uF
16V
R2427 30K
1%
ZD2400
5V
OPT
C2446
1uF
10V
R2428 10K
1%
R2414
10K
C2442
10uF
10V
C2444
10uF
10V
C2436
0.1uF
16V
C2487
3300pF
50V
C2430
10uF
16V
C2438
10uF
10V
C2439
10uF
10V
IC2405
TPS54327DDAR
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
C2476
4.7uF
50V
C2477
4.7uF
50V
R2442
33K
R2441
5.6K
C2460
0.1uF
25V
+5V_ST
L801 15uH
MHL_DCDC
C877
0.1uF
50V
MHL_DCDC
MHL_DET
C875
47uF
25V
MHL_DCDC
R896
0
MHL_DCDC
C871
0.1uF
50V
MHL_DCDC
D800 40V SMAB34
MHL_DCDC
R890
10
MHL_DCDC
C872
0.1uF
16V
MHL_DCDC
C874
150pF
50V
OPT
IC808
MP1584EN
MHL_DCDC
3
COMP
2
EN
4
FB
1
SW
5
GND
6
FREQ
7
VIN
8
BST
9
[EP]GND
R894
300K
MHL_DCDC
C873
150pF
50V
MHL_DCDC
R895
100K
MHL_DCDC
R889
24K
MHL_DCDC
R887
4.7K
MHL_DCDC
C878
0.47uF
16V
OPT
C870
10uF
25V
MHL_DCDC
C876
10uF
10V
MHL_DCDC
R899
47K 1%
MHL_DCDC
R902
6.2K 1%
MHL_DCDC
R897
10K
1% MHL_DCDC
R6219
10K
CI
Q2408
NTR4501NT1G
G
D S
R2440 3.3K
1%
R2411
1.8K
5%
Power_DET
HDMI LEAKAGE Workaround in MTK A2(A0) (Default= with HDMI_LEAKAGE)
R1
DDR MAIN 1.5V
not to RESET at 8kV ESD
R2
12V-->3.58V
Vout=1.222*(1+R1/R2)
ST_3.5V-->3.5V
3.3K -> 1K (threshold voltage up)
+5V_Normal
24V-->3.48V
19V->12V(Real Output : 12.3V)
+3.3V_NORMAL
PANEL_POWER
TYP 1450mA
5A
Vout=0.8*(1+R1/R2)
+1.2V MTK CORE
CI POWER ENABLE CONTROL
20120726 KH.JUNG
12V -> 5V
20120726 KH.JUNG
20120813 KH.JUNG
R2410 APPLY -> OPT
R2413 OPT -> APPLY
20120808 KH.JUNG
5V_Normal->POWER_ON/OFF2_1
20120813 LCD-TV
20120813 LCD-TV
R2
Placed on SMD-TOP
R1
20120813 LCD-TV
LN4600
2013.01.02
6 8 POWER / LED driver
For POLA/ROW LPB Model --> Use P_DET_12V and P_DET_3.5V
For Others(Cinema LPB,EDGE/POLA PSU) --> Use P_DET_12V
20120816 CJ.LIM
85C -> 125C
19V TO 5V_ST DCDC CONVERTER
12.05.17
C1110 EAE62721801 33uF,
C1111 0CH8106J691 10uF
-> EAE60171701 68uF 2EA
12.07.03 To improve backlight blinking
C1103 47pF->2200pF
C1105 47pF->Apply
R1103 18K->470K
12.05.17 To improve audible noise
C1103 2200pF->47pF
C1105 47pF->OPT
11.10.27
12.03.08
EAE42868301(3225)->
EAE61081701(3216)
STEP-UP : 19V to 24V
20120912 CJLIM
ADD step-up dc-dc converter and wafer
MHL CHARGING CIRCUIT
+12V
+3.5V_ST
20120913 CJLIM
EAX65085301
20121010 CJLIM
3225 -> 3216
20121010 CJLIM
3225 -> 3216
20120816 LCD-TV
3A
R2
3A
R1
Vout=0.827*(1+R1/R2)=1.521V
2012.10.16 LCD-TV
R2
Placed on SMD-TOP
R1
[DV2]
[DV2]
19V TO 5V_ST DCDC CONVERTER
20120816 CJ.LIM
LCD-TV
PANEL_DISCHARGE_REG->OPT
20121101 CJLIM
[DV2]
[DV2]
[DV2]
Vout=0.765*(1+R1/R2)
[DV2]
[DV2]
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Only for training and service purposes
LGE Internal Use Only