LG 47LM6400 Service Manual page 58

FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
Q2401
R2408
3
1
RL_ON 10K
2
R2401
10K
PWR ON
+3.5V_ST
L2402
CIS21J121
3.5V
3.5V
C2406
0.1uF
16V
+12V
L2401
GND/P.DIM2
CIS21J121 PWM_DIM2
C2401
0.1uF
50V
#16/#20/#23
LD - GND OR USE
LE(N.L.D.) - OPEN
LE(L.D.) - USE
Power_DET
+12V
+3.5V_ST
OPT
R2410 R2413
2.7K 0
1% 5% NCP803SN293
VCC
3
C2411
0.1uF
R2409
16V
1.2K
1%
+24V
On-semi
R2412
8.2K
NCP803SN293
5%
OPT
VCC
3
R2411
C2410
1.5K
1% 0.1uF
OPT 50V
OPT
+12V
L2404
L2400 IC2400
2uH
AOZ1038PI [EP]LX
BLM18PG121SN1D
*NOTE 17
PGND NC_2
1 8
OPT
Placed on SMD-TOP R24000
VIN NC_1
2 7
C2405
AGND EN
4700pF
3 6
C2400 C2402 C2403 R2402
10uF 10uF 0.1uF 50V
3.3K
FB COMP
16V 16V 16V 4 5
OPT
R2403
POWER_ON/OFF1
10K
C2404
0.1uF
16V
Vout=0.8*(1+R1/R2)
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.
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
OPT
P2400
+24V
FW20020-24S
L2403
24V
1 1 2 2
CIS21J121
24V 24V
3 3 4 4
GND GND
5 5 6 6
C2413
GND GND
7 7 8 8 0.1uF
3.5V 50V
9 9 10 10
3.5V
11 11 12 12 +3.3V_NORMAL
R2423 0
L/DIM0_VS
GND GND
13 13 14 14 R2426
POWER_16_VSYNC
GND GND/V-sync 1K
15 15 16 16 R2425
100
12V INV ON
17 17 18 18
12V A.DIM
19 19 20 20 A_DIM
12V P.DIM1
21 21 22 22
PWM_DIM1
Err OUT
23 23 24 24
25
SMAW200-H24S2
+3.3V_NORMAL
P2401
R2424
4.7K
OPT
R2405
ERROR_OUT
22
POWER_24_ERROR_OUT
R2417
+3.5V_ST
100K
R2421
10K
IC2402
OPT
R2419
POWER_DET
100
RESET
2
1
GND
C2412
0.1uF
16V
OPT
R2416
100K
not to RESET at 8kV ESD
OPT
IC2401
R2418
100
RESET
2
1 OPT
24V-->3.48V
GND
12V-->3.58V
ST_3.5V-->3.5V
+1.2V_MTK_CORE
C2407 C2408 C2409 C2414 C2441
10uF 10uF 10uF 10uF 3300pF
10V 10V 10V 10V 50V
OPT
R1
R2
INV_CTL
+5V_Normal
+12V
L2407
DEV_DCDC_TPS54327
BLM18PG121SN1D
C2415
10uF IC2404
16V TPS54327DDAR
[EP]GND
POWER_ON/OFF2_3
R2435
10K EN VIN
1 8
C24001
0.1uF
R1 1%
16V VFB VBST
2 7
R2415
56K VREG5 SW
3 6
C2416
100pF
50V
SS GND
3A
4 5
R2439
R2 10K C2417 C2428
1uF 3300pF
1%
10V 50V
DDR MAIN 1.5V
POWER_ON/OFF2_1
C2420
0.1uF
+3.5V_ST
C2423
16V
0.1uF
16V
L2405
BLM18PG121SN1D
L2406
3.6uH
VIN_1 PH_3
1 12
THERMAL
VIN_2 PH_2 NR8040T3R6N
2 11
17
C2448 C2418 C2419
C2424 C2425
10uF 10uF 0.1uF
GND_1 PH_1
3 IC2403 10
10V 16V 10uF 10uF
10V
TPS54319TRE
C2422 10V 10V
GND_2 SS/TR
4 3A 9
0.01uF
50V
R2432
1/16W 330K 5%
R2431 C2421
15K 4700pF
1/16W 5% 50V
3A
$ 0.145
Vout=0.827*(1+R1/R2)=1.521V
+12V
PANEL_POWER
L2408
BLM18SG121TN1D
C2433
C2432
0.1uF
0.01uF
50V
50V
PANEL_CTL
+5V_NORMAL
C2429
+3.3V_NORMAL
0.1uF L2409
16V 3.6uH L2413
BLM18PG121SN1D
NR8040T3R6N
CN
C2430
22uF +3.5V_ST
10V L2412
BLM18PG121SN1D
NON_CN
+12V
+3.3V_NORMAL
L2410
BLM18PG121SN1D
[EP]PGND
+1.5V_DDR
C2431
10uF
16V
C2427
C2446 C2447
0.1uF
C2434
10uF 10uF
16V
0.1uF
10V 10V
50V
C2426
100pF
50V
R1
R2433
56K R2
1/16W
1%
Vout=(0.763+0.0017*Vout.set)*(1+R1/R2)
TYP 1450mA
PANEL_VCC
Q2407
AO3407A
G
C2435 C2440
4.7uF 1uF
25V
50V
C2443
OPT
0.1uF
50V
C
R2437
10K
B Q2406
MMBT3904(NXP)
E
+3.3V_TU_IN
POWER_ON/OFF1
POWER_ON/OFF2_1
C2436 POWER_ON/OFF2_2
0.1uF POWER_ON/OFF2_3
16V POWER_ON/OFF2_4
MAX 3.4 A
IC2405
TPS54425PWPR +3.3V_NORMAL
VIN2 VO
14 1 R2
R2428
VIN1 VFB
10K
13 2
1%
VBST VREG5
12 3
C2438
4A
1uF
SW2 SS 10V
11 4
R1
C2445
SW1 GND R2427
10 5 33K 22pF
1%
C2439 50V
R2407
3300pF
100K
PGND2 PG
50V
9 6
PGND1 EN
R2414 10K
8 7
C2437
POWER_ON/OFF2_2
0.1uF +3.3V_NORMAL
L2411
2uH
C2442
C2444
22uF 22uF
10V 10V
2011.11.25
MID_POWER
24
LGE Internal Use Only