LG LT66 Benutzerhandbuch Seite 55

FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
Q402
+3.5V_ST
1 3
OPT
R406
R461
4.7K
10K
2
R401 C NORMAL_EXPEPT_32 NORMAL_32
P403
10K P404
B Q401 OPT
FW20020-24S FM20020-24
RL_ON R417
MMBT3904(NXP)
33K
R462
E
10K
PWR ON
1 1 1 2 2 2
L404-*1 24V
3 3 3 4 4 4
+3.5V_ST
MLB-201209-0120P-N2
GND
5 5 5 6 6 6
L404
GND
7 7 7 8 8 8
CIS21J121
BEAD_MAG
3.5V
9 9 9 10 10 10
OPT
3.5V
11 11 11 12 12 12
C401 BEAD_SS C408
C406
100uF 0 . 1 u F GND
13 13 13 14 14 14
16V 0 . 1 u F
16V GND
15 15 15 16 16 16
16V
OPT
12V
17 17 17 18 18 18
12V
19 19 19 20 20 20
+12V/+15V
BEAD_SS 12V
21 21 21 22 22 22
L402 GND/P.DIM2
23 23 23 24 24 24
CIS21J121
OPT
C402 C404 C407
25 25
0 . 1 u F
100uF 0 . 1 u F
16V
16V 16V
OPT
SLIM_32~52
BEAD_MAG P401
SMAW200-H24S2
L402-*1
MLB-201209-0120P-N2
' E R R O R _ O U T ' i s u s e d f o r
lamp(CCFL/EEFL) models.
I n o t h e r w o r d s ,
L E D m o d e l s n e e d n o t u s e .
+5V_USB
+12V/+15V
+3.3V_Normal
C405
10uF
25V
IC401
TPS54327DDAR
[EP]GND
R410
EN VIN
10K
1 8
R1
C413
R416 R411 0 . 1 u F
VFB VBST
56K 11K
2 7
1% 1% 50V
C489 VREG5 SW
3A
100pF 3 6
SS GND
R423
4 5
12K
1% C494 C493
1uF 3300pF
R2
10V 50V
Vout=(1+R1/R2)*0.765=5.03V
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 rights reserved.
Only for training and service purposes
+12V/+15V
L407-*1
MLB-201209-0120P-N2
BEAD_MAG +24V
L407
24V
CIS21J121
24V
OPT
GND
BEAD_SS
C418 C426
GND
0 . 1 u F 68uF
3.5V 50V 35V
3.5V
PANEL_CTL
GND
1:AK10
GND/V-sync
R489
+3.3V_Normal
INV ON 10K
OPT
A.DIM
P.DIM1 R419
+3.5V_ST
1K
Err OUT
R415
100
R426
10K
R418 C
+1.5V_DDR
R421
6.8K
B 10K
OPT
INV_CTL
R427
Q405
10K
E
MMBT3904(NXP)
OPT
+3.5V_ST
A_DIM
R471 0
PWM_DIM
OPT PWM_PULL-DOWN_3.9K
C416 R414
3.9K
0 . 1 u F
R414-*1
16V
1K
PWM_PULL-DOWN_1K
+3.3V_Normal
OPT
R486
ERROR_OUT 4.7K
R420
100
ERROR_OUT
+2.5V/+1.8V
S 7 L R c o r e 1 . 2 V v o l t
+3.5V_ST
2000 mA
L413
C430
10uF
10V
+5V_Normal
+5V_USB
L425
L406
3.6uH BLM18PG121SN1D
NR8040T3R6N
C492
C420
22uF 22uF
16V
16V
OPT
PANEL_POWER
0 . 0 1 5 u F
0 . 0 1 u F C438
C442
C409
C436 0 . 1 u F
10uF New item
0 . 0 1 5 u F
0 . 0 1 u F
16V 16V
50V 50V
OPT Q409
AO3407A
C443
R439
33K 10uF
G
25V
R431
22K C451
0 . 1 u F
R440
OPT
5.6K
OPT
C
R430
10K B Q407
MMBT3904(NXP)
C
R429
R435 E
47K B Q406
22K
MMBT3904(NXP)
PANEL_DISCHARGE_RES
E
IC407
AP7173-SPG-13 HF(DIODES)
L420 [ E P ]
BLM18PG121SN1D
IN OUT
1 8
R1
R457
PG FB
4.3K
2 7
1/16W
1%
VCC SS
3 6
+3.3V_Normal 1.5A
C467 R2
R433
10K EN GND 560pF R456
4 5
C461 4.7K
50V
10uF 1/16W
1%
10V C475
0 . 1 u F
16V
V o u t = 0 . 8 * ( 1 + R 1 / R 2 ) = 1 . 5 3 1 9
+3.3V_Normal
+2.5V_Normal
IC402
TJ3940S-2.5V-3L
VIN VOUT
3 2
Vd=550mV
1
R473
C432
GND
1
0 . 1 u F
16V
C403 C440
10uF 0 . 1 u F
10V 16V
+3.3V_Normal
10K
C447
R428
0 . 1 u F
16V C441
0 . 1 u F
16V
L415
3.6uH
VIN_1 PH_3
1 12
THERMAL
NR8040T3R6N
VIN_2 PH_2
C431 2 17 11
C453 C456
0 . 1 u F R413
GND_1 PH_1
3 IC403 10 22uF 22uF 0
16V
10V 10V
TPS54319TRE
C488
GND_2 SS/TR
4 9
3300pF
R1
R442
R432 27K
1/16W 330K 5% 1/16W
1%
R436 C448
3300pF
15K
50V
R441
R2
56K
4A $ 0 . 1 6 5
1/16W
1%
Vout=0.827*(1+R1/R2)=1.225V
S T _ 3 . 5 V - - > 3 . 3 7 5 V - - > 3 . 4 6 V
+12V/+15V
1 2 V - - > 3 . 5 8 V - - > 3 . 8 2 V ( 3 . 6 8 V )
2 0 V - - > 3 . 5 1 V - - > 3 . 7 6 V ( 3 . 5 9 V )
2 4 V - - > 3 . 7 8 V - - > 3 . 9 2 V ( 3 . 7 9 V )
C411
0 . 1 u F
16V
PANEL_VCC
+24V
OPT OPT
C455
R405 R407
0 . 1 u F
2.2K
2.2K
16V
PD_+24V
R405-*1
C412
3K
R407-*1 PD_+24V
0 . 1 u F
3K
16V
PD_+24V
PANEL_DISCHARGE_RES
+3.3V_Normal
Max 1000mA
+3.5V_ST
+1.5V_DDR
0 . 1 u F
16V
R434
C472 10K
C476
22uF 0 . 1 u F
10V 16V
R443
10K
POWER_ON/OFF_1
OPT
R490
10K
FOR LPB Download
[To LED DRIVER]
FOR LPB MODEL
P405
12507WR-08L
1
2
3
4
5
FOR LPB MODEL
300 mA
6
7
FOR LPB MODEL
8
9
+1.10V_VDDC
OLP
N o t u s e d :
o n l y f o r s m a l l ( r e a d y )
C444
0 . 1 u F
16V
R400
0
FB_CORE
OPT
50V
100pF
C439
EMEA INTERACTIVE
POWER_LARGE
+3.5V_ST
R488 +3.5V_ST
100K
IC408
R463
10K
APX803D29
OPT
R402
POWER_DET
VCC RESET 100
3 2
1
C474
I C 4 0 8 - * 1
GND 0 . 1 u F
PWR_DET_ON_SEMI
APX803D29
RESET VCC
2 3
PD_+24V
R404
1
100K
GND
PD_+24V_PWR_DET_ON_SEMI
PWR_DET_ON_DIODES
IC409
I C 4 0 9 - * 1
APX803D29
PD_+24V
APX803D29
R480
VCC RESET 100
3 2
RESET VCC
2 3
1
1
GND
GND
PD_+24V_PWR_DET_DIODES
Power_DET
780 mA
+3.3V_Normal
FET_AOS
Q403
L403
AO3407A
BLM18PG121SN1D
C423 C425 C445 C437
R446
R438 4 . 7 u F 0 . 1 u F 0 . 1 u F 22uF
10K
22K 16V 16V 16V 10V
OPT
FET_AOS OPT
FET_2.5V
C423-*1
FET_AOS
2 . 2 u F
R445
10V
FET_2.5V_DIODE FET_2.5V_AOS
100
AO3435
DMP2130L
FET_2.5V
Q403-*2
Q403-*1
R445-*1
C
2.2K
B Q400
MMBT3904(NXP)
E
R408
33
EEPROM_SCL
EEPROM_SDA
R409
33
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
4 2 0
LGE Internal Use Only