Sharp LC-26SB14U Service Manual - Page 22
Power Block Diagram
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POWER BLOCK DIAGRAM CD3805 AC IN F401 J401 L401 1 3 L402 2 1 4 3 D405 D407 C403 + C404 + POWER SW IC401 MP3A5038 Q2g Vcc Q1d FB P.GND VW Q2d 20 10 18 13 8 1 22 2 D415 2 4 TRANSFORMER T402 1 9 + C455 8 3 7 5 POWER SW IC402 MIP2F4 D Vcc FB Vdd 5 4 21 FEED BACK IC410 PS2561AL1-1-V(W) 41 32 Q409 Q416 SW Q417 SW REGULATOR IC404 KIA431A-AT 13 VccSW 41 32 SW POWER SW TRANSFORMER IC406 T401 PS2561AL1-1-V(W) 8 10 7 13 5 14 15 SOUND +B 2 1 IC407 DC/DC(5V) LA5779-E FEED BACK IC408 SW PS2561AL1-1-V(W) 41 32 31 CP401__1.TUNER+30V CP401__7.8. AT+5V CP401__2. POWER FAIL CP401__6.P.CON+5V CP401__3. SYS_POWER_H CP401__18.SW+12V CP406__1,2,3,4,5. +24V SOUND AMP IC302 AN17808B CP401__11,12. LCD+B CP401__13. LCD_H REGULATOR IC403 KIA431A-AT F-1 F-2
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POWER BLOCK DIAGRAM
CP406__1,2,3,4,5. +24V
CP401__18.SW+12V
Q416
CP401__7.8. AT+5V
CP401__2. POWER FAIL
D405
POWER SW
IC402
D
Vcc
FB
TRANSFORMER
T402
FEED BACK
IC410
PS2561AL1-1-V(W)
REGULATOR
IC404
KIA431A-AT
C455
AC IN
CD3805
J401
Vdd
D407
+
+
+
POWER SW
IC401 MP3A5038
Vcc Q1d
10
18
8
P.GND
C403
C404
TRANSFORMER
T401
10
14
13
15
SOUND +B
4
5
2
1
1
3
2
4
1
3
2
4
F401
L401
L402
4
3
1
2
1
3
5
8
7
5
8
7
1
3
MIP2F4
9
CP401__1.TUNER+30V
Q409
D415
Q417
CP401__6.P.CON+5V
CP401__3.
SYS_POWER_H
IC407
CP401__11,12. LCD+B
CP401__13. LCD_H
4
1
2
3
SW
POWER SW
IC406
PS2561AL1-1-V(W)
VccSW
2
1
VW
20
1
Q2g
22
2
Q2d
3
1
4
1
2
3
13
FB
FEED BACK
PS2561AL1-1-V(W)
IC408
REGULATOR
IC403
KIA431A-AT
SOUND AMP
IC302
AN17808B
SW
SW
SW
LA5779-E
DC/DC(5V)
F-1
F-2