Power Schematic Diagram - Sharp LC-26SB14U - 26" LCD TV Service Manual

A B
F401
8
6.3A125V
6.3A 125V
51MS063L
CP404
003P-2100
FH401 FH402
EYF-52BCY EYF-52BCY
J401
CD3805
YKE31-0149N
P201-2739-1
BLACK
BLACK
WHITE WHITE
7
SH402 SH410
YQ-12 YQ-12
6
5
D405
1N5406FL-6737
W834
4
D407
1N5406FL-6737
3
2
6.3A 125V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
6.3A 125V(F401).
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE
6.3A 125V(F401).
1
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
A B
H-25
C
COIL,LINE FILTER
1 2
L402_1
SS11V-R22020-CH
3 4
(SMALL)
D415
1N4005-EIC
1 2
3 4
COIL,LINE FILTER
L401
SS30V-R200132
20.46
VCC SW
Q401
19.75
KTA1281_Y
0
VCC SW
Q403
KRC102SRTK 0
R412
B404
W5RH3.5X5X1.0
POWER CONTROL IC 0.22 1W
IC401 MP3A5038
4 5 7 8 10 11 12 13 14 15 18 19 20 22 23
C408
R416
470P B
R410
10 1/4W
820 1/4W C409
1 B
R411
10K
HS403
C418 R498
763WAA0367
0.001 100 1/4W
B
NC NC
C407_3
35V 100
MHE
CAUTION: IS THE LIVE CONNECTION
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E

POWER SCHEMATIC DIAGRAM

(POWER PCB)
D432_2
164.0 0 0 RL106F-E
5 7 8
D S S
Vcc CL FB Vdd
4 3 2 1
2.5
16.0 1.0 5.9
R433
270K
C428
R437
0.001 B
2.2 1/4W
166 SW
Q418
166
2SA1759_T100
R506
D424
9.0
MTZJ3.3B
20.46 100 1/4W
R463 R469
PROTECT
22K 10K
Q404
KTA1504S_Y_RTK
D408
7.1 0
1SS133
0
0
0 0
PROTECT
0 0
6.6
Q405
KTC3875S_Y_RTK
POWER SW
IC406
PS2561AL1-1-V(W)
0.3
0.3
R429
T401
81400854
1M 1/4W RCR
C423
B401
1.0
630V 0.082 FGSM W5RH3.5X5X1.0
8
D421 R428
0
EC31QS04 330 1/2W 7
R536
270 1/2W
Q2 DRIVE
Q407
219
KTA1281_Y
5
159.0 159.0
0
216.3 NC 4
165
Q2 DRIVE
Q406 3
2SC2120Y
165
2
R423
219
2.2K 1/2W
1
R421
2.2K 1/2W
2.5
0
FEED BACK
IC408
SH406
PS2561AL1-1-V(W)
YQ-12
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F
R447
R497 D444
15 1F5-E
1/4W
1 1W
T402 81190084
R436 166.0
0
1 10
NC
1/2W
68K
0
36.4
C430 NC 2 9
2KV 0.0022 R D443
166.0
5.2
3 8
31DQ09-FC
0
0
4 7
0
0
5 6
NC D442 R445
1H3-E 100
FEED BACK
D433 1/4W
IC410
PS2561AL1-1-V(W)
1H3-E R441 R443
5.0
15K 1K
R541
1.0
5.0
180K
5.0
BUFFER
BUFFER D
16 Q425
Q424 G
SSM3K302T
KTC3875S_Y_RTK
3
16
S
R544
4.0
0
5.0
R451
220K
5.0
D413
0 R475
OVP PROTECT
220 1/4W
MTZJ30B
IC405
PS2561AL1-1-V(W)
0
D 0 470 1/4W
1.176 2.2
G
R477
SOFT SWITCH
S
Q412
4.7K
0 SSM3K302T
0
D416
6.0
31DQ06-FC
9
12.5
10
D435
0 W887
11
ERC91-02
0
12
24.5
13
24.5
D440
YG862C15R
14
19.0
15
R432
C401
0
16 22 1W 2KV 0.0015 R
D437
FCH10A20
HS405
763WAA0365
W822
R503
470 1/2W
C439
220P B
R438
C437_1 R446
2.2K 1/4W
100V 0.033 MMTS 10K
REGULATOR IC
IC403
KIA431A-AT
20.5
19.4
3 2 1
19.4 2.4
0
CAUTION: DIGITAL TRANSISTOR
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G H
AT+34V
L413
AT+5V
10uH
TSL0808
P_GND
R458
10K 5.2
R452
4.4
1K 1/4W
D445
5.2
R505
MTZJ15B POWER FAIL SWITCH
POWER_FAIL
Q416
18K
KTA1504S_Y_RTK
REGULATOR IC TO POWER2
IC404
KIA431A-AT
AT+5V
INV_SW+24V
2 1
SW+12V[UNREG]
0 2.5
INV_GND
C443
P_GND
1K 0.01 B
INV_SW+24V
R478
AT+5V
TO SOUND
SYS_POWER_H
SOUND+B
1/4W
SOUND_GND
P_GND
P_GND
FROM/TO REGULATOR
W840
AT+5V
SOUND+B
POWER_FAIL
AT+34V
SYS_POWER_H
SOUND_GND
P_GND
L411
SW+12V[UNREG] TO JACK2
10uH
AT+5V
P_GND
P_GND
INV_SW+24V
INV_GND
PCB240
CEG353
G H
H-26
8
7
6
5
4
3
2
1