LG 32LM6200 Service Manual page 26

FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
Q2401
R2408
3
1
RL_ON 10K
2
R2401
10K
PWR ON
1 1
24V
3 3
GND
+3.5V_ST 5 5
L2402
GND
CIS21J121 7 7
3.5V
9 9
3.5V
11 11
C2406
GND
13 13
0.1uF
GND
16V 15 15
12V
17 17
12V
19 19
+12V 12V
21 21
L2401 GND/P.DIM2
23 23
CIS21J121 PWM_DIM2
C2401
0.1uF
50V SMAW200-H24S2
#16/#20/#23
LD - GND OR USE
LE(N.L.D.) - OPEN
LE(L.D.) - USE
Power_DET
+12V
+3.5V_ST
R2417
100K
OPT
R2410 R2413
IC2402
0
2.7K
NCP803SN293
1% 5%
VCC
3
C2411 1
0.1uF
GND
R2409
16V
1.2K
1%
OPT
R2416
+24V
100K
OPT
On-semi
IC2401
R2412
8.2K
NCP803SN293
5%
OPT
VCC
3
R2411 1
1.5K C2410
GND
1% 0.1uF
50V
OPT
OPT
+12V
L2404
L2400
IC2400 2uH
AOZ1038PI
BLM18PG121SN1D [EP]LX
*NOTE 17
PGND NC_2
1 8 OPT
R24000
Placed on SMD-TOP
VIN NC_1
2 7
C2405
AGND EN
3 6 4700pF
C2400 C2402 C2403 R2402
50V
10uF 10uF 0.1uF 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.
OPT
P2400
+24V
FW20020-24S
L2403
24V
2 2
CIS21J121
24V
4 4
GND
6 6
C2413
GND
8 8 0.1uF
3.5V 50V
10 10
3.5V
12 12 +3.3V_NORMAL
R2423 0
L/DIM0_VS
GND
14 14 R2426
POWER_16_VSYNC
GND/V-sync 1K
16 16 R2425
100 INV_CTL
INV ON
18 18
A.DIM
20 20 A_DIM
P.DIM1
22 22
PWM_DIM1
Err OUT
24 24
25
+3.3V_NORMAL
P2401
R2424
4.7K
OPT
R2405
ERROR_OUT
22
POWER_24_ERROR_OUT
+3.5V_ST
R2421
10K
OPT
R2419
POWER_DET
100
RESET
2
C2412
0.1uF
16V
not to RESET at 8kV ESD
R2418
100
RESET
2
OPT
24V-->3.48V
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
+5V_Normal
+12V
L2407
DEV_DCDC_TPS54327
BLM18PG121SN1D
C2415
IC2404
10uF
16V TPS54327DDAR
[EP]GND
POWER_ON/OFF2_3
R2435
10K EN VIN
1 8
C24001
0.1uF
R1 1%
16V VFB VBST C2429
2 7
R2415 0.1uF
16V
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
NR8040T3R6N
VIN_2 PH_2
2 17 11
C2448 C2418 C2419
10uF 0.1uF C2424 C2425 C2446
10uF GND_1 PH_1
3 IC2403 10 10uF 10uF 10uF
10V 10V 16V
TPS54319TRE C2422 10V 10V 10V
GND_2 SS/TR
4 3A 9
0.01uF
50V
R2432
1/16W 330K 5%
C2421
R2431
4700pF
15K
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
R2437
10K
PANEL_CTL
+5V_NORMAL
+3.3V_NORMAL
L2409
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
VIN2
VIN1
C2431
10uF
16V
VBST
C2427
SW2
C2447
0.1uF
C2434
10uF
16V
0.1uF
10V
50V
SW1
C2426
100pF
PGND2
50V
R1
PGND1
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
1uF
4.7uF
25V
50V
C2443
OPT
0.1uF
50V
C
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
+3.3V_NORMAL
TPS54425PWPR
VO
14 1
R2
R2428
VFB 10K
13 2
1%
VREG5
12 3
C2438
4A
1uF
SS 10V
11 4
R1
C2445
GND R2427
22pF
10 5 33K
C2439 1% 50V
R2407
100K 3300pF
PG
50V
9 6
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