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1 2 3 4 5 6 7 8




D D




L603
+24V
+ + * + +
D603 C625 C617 C618 C620 +B
R580


R609 C612 R581
R610 C616 C621 C636
F601 L604
+12V
+ + * +
CN602(8,9)
AC220V L601 R611 L62 RBV601 D604
1
V601 C603 C602 T000
C601 R579
2
Q?
C C604 R582 PNP
C
TH601 C600 C614 R583

ZD603 R000 R577

D607
D608
D602 L605
+5V
+ *C619 + 7805 +
C622 C623 Standby
4




C609 R607

OT601B ZD602
IC601
4 R584
3




1 R603
D VCC R604 R576

7
FB ZENER1
+24v
B 6 B
BD
R504
5 C608 ON/OFF
C634
STR-W6556 SS/ADJ R612
CN602(1)
R601




1
R601 C606 OT601A C537 C634
3 C607 R507
S/GND C611 R511 R613




2
R000 R502 IC603
6.8B
431 C541

R506


R510
R503
C501


A A




1 2 3 4 5 6 7 8
1 2 3 4


R574
+24V

R545 Q502

D R547 D
Q503
R544
ON/OFF R546
CN603(3)




R615
ZD501
R543
Q1
R573 LDR1
VBRI




D516
VDD

C528

DRV1 R556 D522
IC502 C526
R559 R550 IC501




R555
C7 1 16
R552 VDDP BST1
C 1 16 C
DRV1 PGND
2 15 LX1
GNDP1 LX1
2 15 DRV2
VDDA DRV2 R572 HDR1
3 14
LDR1 HDR1
3 14 OZ9982
TIMER GNDA
OZ9939 4 13 DRV1
NC PWM1
4 13
DIM CT
5 12 DRV2
NC PWM2
5 12
C529 ISEN SSTCMP C521 R570 HDR2
6 11
C522 LDR2 HDR2
R554 6 11
VSEN LCT
R560 7 10 LX2
GNDP2 LX2
7 10 D523
OVPT ENA
8 9
VDDP2 BST2
8 9 R557
NC1 NC2 C523
R551
R534




D517
C520

C524 C525
R571 LDR2
B C527 B
R514 R531

D511 3 IS1 3 IS5
3 2 2
D503 D509
2 1 IS3 1 IS7
1
R513 R530
3
2 D505 IS
C518 R549 1
D515
IS R553 3 Q505
2 D520 R525 R538
C519 1
ZD502 R548 3
3 IS4 3 IS6
2 D529 2 D513
2 D521 C516
1 IS2 1 IS8
A 1 A
R524 R539




1 2 3 4
1 2 3 4 5 6 7 8




D D




VS1 VS3 VS5
3 R535 R536 3 R566 R565 3 R563 R564
T605 T604 T603
C511 CN607 VA 1 C635 CN606 VA 1 C634 CN605
VA 1
4 2 3 IS1 4 2 3 IS3 4 2 3 IS5
1 1 1
5 2 5 2 5 2
1




1




1
VB 2 D510 R532 R585 VB 2 D512 R538 VB 2 D507 R527 R526
R537
6 6 6

IS2 IS4 IS6
C C
R537 R538 R529 R528 R517 R516


D508
1




1




1
2 3 2 3 2 3
D504
D512


R533 R534 R567 R568 R561 R562

C510 VS2 C536 VS4 C533 VS6

VIN(+24) F501


VA

VS7
3 R518 R519
C635 C540 Q506 T602
C531 C532 Q508 HDR2 C504 CN604
VA 1
HDR1 4 2 3 IS7
1
VB
B 5 2 B




1
VB 2 D506
LX2 R518 R519
C530 LX1 6

Q507 D518 IS8
Q509 D519 LDR2
LDR1
R512 R513




1
2 3
D501



R521 R520

C505 VS8




A A




1 2 3 4 5 6 7 8
26L16 P26TQM



1

CHIMEIV260B1

5V16V245V CPU 16V

24V


STR-W6556

2

STR-W6556

1.




2. BOTTOM-SKIP




3.

4. STEP-DRIVER

5. MOS

6. ON

STR-W6556

1 MOS

2

3

4
5 /

6

7




220V EMI RBV601 C600

300V T000 IC601STR-


W6556 1 R001 IC601 4 C609 C609

IC601 16V IC601

MOS







16V R511R506 IC603/TL431

TL431 R IC603

TL431 C OT601A

OT601B IC601STR-W6556 6


FB MOS

T000



R503


Q501 Q501 24V R504OT601AD502Q501R C
E

OT601B IC601 6
1.8VVFB 1.8V

RS MOS



IC601 4 IC R000 VCC

IC BURST

24V 8V D608


CPU 5V R576 Q610 Q610

R577 Q609 Q609 24V 8V Q609


EC D607/7805 5V CPU






1. IC601 7

R607ZD602R604 R601 IC601 7

OCP ELP 3.15V

RS S

MOS


2. IC601 4 VCC 29.5V

OVP RS S

IC601 VCC 9.7V IC601




3. IC601 150 STR-W6556

MOS
4. IC601 5 STR-W6556 5

C606 SOFET START 0V

1.2V

STR-W6556 5

47K







1

1 CCFL IC OZ9939 IC OZ9982

2 MOSFET

3 IC

4 PWM

5
2

1. IC OZ9939

1 DRVI

2 VDDA

3 TIMER

4 DIM LPWM PWM

5 ISEN

6 VSEN

7 OVPT

8 9

10 ENA IC /

11 LCT PWM

12 SSTCMP

13 CT

14 GNDA

15 DRV2

16 PGND

2. IC OZ9982

1 VDDP 1

2 GNDP1

3 LDR1

4 5
6 LDR2 2

7 GNDP2

8 VDDP2 2

9 BST2

10 LX2 2




11 HDR2 2

12 PWM2 2

13 PWM1 1

14 HDR1 1

15 LX1 1




16 BST1 1

3.

, POWER 24V ,16V ,5V

. ON CN603 3

Q502Q503 ZD501 24V 5V OZ9939R 10
Q1

OZ9939 2 OZ9982 1
8

OZ9939 12 OZ9982 Q506Q507Q508Q509

T INVERTER


4.

OZ9939 6 CCFL
C511R535R536D513 6


R550R551 7 OZ9939 OZ9939




5.

OZ9939 4 IC PWM

CN603 2 0--5V PWM

0



OZ9939

IC 13


IC

1

24V16V

MOS

Q506Q507Q508Q509 24V


CPU

OZ9939OZ9982 Q502Q503
Q1

C511R535R536D513


2



T602MOS W506Q507Q508Q509

OZ9939
5 5 1.2V