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HOT COLD
Vdat OVER VOLTAGE
IC512
DETECTION(100V 25V) ERROR DET
P POWER SUPPLY T404 14
D539
Q527 (Vda) Vda70V
PR401
D417 F 5A 250V 9
13
D531
TO
D542 D544 D545 P12
T401 D419 Q412 73V K SS12
395V 1 3
OSC 1 1 Vda
3
+
L404 L405 C446, 2
1 2 3 4 7 8 9 10 D420 C555 Vda
RECTIFIER C447 2 R670 A
D401 R676 2 4 +15V
Q404 Q408
D569 1
OSC 7 R674
- + Q406 D586 R665 2
8 STB12V
15 Vda
17 16 14 13 12 R406 R472 OVER Q413
D570 R631 10 STB_PS
3
D415 VOLTAGE OSC D536 15V
PROTECTION D531 Q520 Q517
R473 (490V 80V) 5 D571
6
R465 Q409 4 D572
OSC R666
1 2
C469
5 6 9 10 D549
SW R464 D551
Q401 T402 4 3 2 R579 TO
T407 15V OVER
R545 P23
6 5 4
SC23
R441 VOLTAGE
1 +15V
8 7 6 5 D418 PROTECTION D579
(16V 2V) 2 +15V
L403 IC406 VCC
MOS CURR
R442 D528 D574
DRIVE DET R458
SW
POWER D529
Q402 R475 12 D530
FACTOR CURR
COMP
CORRECTOR 13 6
1 2 3 4
IC520 15 4
16 2 SW
POWER
CONTROL
Q540
D407
(Vlow) Q509
Q420 Q422
12V DET VlOW DET
D520
Q407 Q566
R444 D602 1
R661
1 R455
2 TO
R443 BUFF BUFF Vlow P5
TO 2 J4
PFC R497
HOT COLD Q538 Q510 3
AC CORD Q418 Q421 Q541 1 +15Vc
3 D514 BUFF
P9 PFC DET 2 +15Vc
VSUS DET Q564
F401 178V 4 1 R649 4 +15Vc
LIVE 4
IC411 R496 R495 R494 PFC OUT 1 4
PFC DET (1.7A)
IC505 BUFF
Q565 6 +15Vs(S)
SW
DETECTION
(350V 40V)
IC404 PHOTO R650
ERROR DET 3 2 COUPLER Vlow Q508 7 +15Vs(W)
F402 Q568 PHOTO
2 3 POWER VlOW DET 8 +15Vs(W)
NEUTRAL 1 COUPLER
L:ON CIRCUIT 5V OUT
3
IC402 DETECTION
(3V 1.0V)
TO
3
P11 SS11
AC POWER Vsus POWER CURCUIT PR601
ERROR DET 1 4 Vsus 175V
1 2 1 Vsus
1 2
IC403 Q507
R620 3 GND
PHOTO R526 VOLTAGE R622
2 3 OVER OUT
COUPLER 9 6 T601 VOLTAGE DETECTION R648 TO
8 7 5 DETECTION R589
R527
(60V 40V) P2 SC2
(490V 80V)
VCC GD ZCD R636
R590 1 Vsus
RESET INV VFF CS 5 4 3
R626 3 GND
4 1 R621
RL403
IC401 1 3 4 R533
PHOTO Q505
R410 3 2
R413 COUPLER R656
3 4 R534 K
D430 IC509 R671 3 1
Csus
DC-DC D585 R627
Q434 2 1
CONVERTER 4 1 IC506 A
2
MAIN IC507 ERROR DET
L410 R435
IC410 ON
Q501 PHOTO
R628
(Vsus)
PHOTO RL402 3 2 COUPLER Vsus
R427
COUPLER Q502
RUSH
R407
ON
D404
T410 Q551 Q554
VSUS ON/OFF 12V ON/OFF
TO