Samsung SCX-4521F Schematic

10

Schematic Diagram

Service Manual

10-1

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10. Schematic Diagrams

10.1 Main Board (1/12)

Schematic Diagram

Service Manual

10-2

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Main Board (2/12)

Schematic Diagram

Service Manual

10-3

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Main Board (3/12)

Schematic Diagram

Service Manual

10-4

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Main Board (4/12)

Schematic Diagram

Service Manual

10-5

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Main Board (5/12)

Schematic Diagram

Service Manual

10-6

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Main Board (6/12)

Schematic Diagram

Service Manual

10-7

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Main Board (7/12)

Schematic Diagram

Service Manual

10-8

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Main Board (8/12)

Schematic Diagram

Service Manual

10-9

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Main Board (9/12)

Schematic Diagram

Service Manual

10-10

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PN -K-KEY_EY_4P4P_7MMMM PN -K-KEY_EY_4P4P_7MMMM

MICOM (U1)MICOM (U1)

LCLC D

BASIBASIC

CHINCHINA/KO REAREA

JBJB13-00004A13-00004A JBJB13-00035A13-00035A

JC07-00003AJC07-00003A JC07-00008AJC07-00008A

PN -K-KEY_EY_4P4P_9.5MMMM

Not Used

Main Board (10/12)

Schematic Diagram

Service Manual

10-11

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Main Board (11/12)

Schematic Diagram

Service Manual

10-12

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Main Board (12/12)

Schematic Diagram

Service Manual

10-13

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Samsung Electronics

A A

B B

C C

D D

1

1

2

2

3

3

4

4

SUN-KOREAELECTRONICCO.,LTD

Title

Drw.No

Ref. No

Rev.

DESIGNED CHECKEDAPPROVED

Size Date of

WHITNEY PLUS-V1

SMPS

.rev.

A3 2005/04/19 1 1

SW1

F1

250V8A

U1
BTA16-600B

R2

R12

1/2W180

C12

630V333K

F101
250V2A

D103

C11
222

C104

1KV102

C105

10V1500uF

C107

10V470uF

R1

1/2W560K*2

R6

R7

D1

UF4007

R8

2W100K

LF1

0610V

B102

BFS3550

ZD101ZD102

AR2

SSG-102-A1

R10

50m

R11

1/2W47

TNR1

10D221K

R13
50m

R110
220

U101
KA431AZ

R111

2.7K-F

R112

2.7K-F

PC101-A
817M-B

ZD103

Z10-200B*3

TH1

10D-13

R4

R3

1/2W330K*2

GND-A

C41

104

R5

1/4W22K*3

C5

200V330uF

F102
250V4A

C106

50V105(MONO)

B1

BFS3550

C14
1KV101

L1
1018

C10
35V22uF

D2

200V1A

C9
1KV101

C102

35V680uF

R109
1K

PC101-B

817M-B

C8
333

GND-A

L101

4.7uH

F/G

R115

4.7K

R113

1W1.5K

R114

1K

Q101

KSC1008

R117

47K

OP101
KPI-512

C108
50V103

0

0

00

PC102
TLP3061F

AR1

SSG-102-A1

C3
684

LF2

0504V

F2

250V3.15A

C13

50V104

R14

1/4W100

R9

1/4W20

BD1

D3SBA60

C7

1KV221

C6

630V103

R1045W1K

R1035W1K

J1

BFS3550
C1
102

C2
102

R116

1/4W150

B101
5*5-2.5H

C101

1KV222

D101

200V10A

B2

BFS2550

CON1

CON1

CON2-01

CON2-08

CON2-06

CON2-07

CON2-09

CON2-02__+24V_2A

SOLDER_MASK

CON2-04

CON2-02

CON2-03

CON2-05

CON2-03,04_+24VS1

CON2-05__+5V_1A

CON2-6,7__DGND

CON2-6,7__DGND

CON2-09(FUSER-ON)

5V

CON2-08(P_REGI)CON2-1(+24VS2)

AC IN

INLET1

CON1

NO MARKING RESISTOR 1/8W-J(5%)

12

46

+24VS2

+24V

+24VS1

1

2

3

6

497

PT1

D GND

+24VS1

+5V

P_REGI

FUESR_ON

DGND

DGND

D GND

2

1

3

SW2

8

40V3A

9

11

D GND

24

36

GND FB

VinSTR1Drain

5

NC

U2

FSDM07652R

D GND

3

4

D GND

2

1

WHITNEY PLUS-V1

SMPS (1/2)

Schematic Diagram

Service Manual

10-14

This Document can not be used without Samsung’s authorization.

Samsung Electronics

A A

B B

C C

D D

1

1

2

2

3

3

4

4

SUN-KOREAELECTRONICCO.,LTD

Title

Drw.No

Ref. No

Rev.

DESIGNED CHECKEDAPPROVED

Size Date of

WHITNEY PLUS-V2C

SMPS

.rev.

A3 2005/04/19 1 1

SW1

F1

250V5A

U1
BTA16-600B

R2

R12

1/2W180

C12

630V333K

F101
250V2A

D103

C11
222

C104

1KV102

C105

10V1500uF

C107

10V470uF

C1
102

LF2

6003V

R1

1/2W560K*2

R6

R7

D1

UF4007

R8

2W100K

LF1

0610V

B102

BFS3550

ZD101ZD102

AR2

SSG-102-A1

C2
102

R10

50m

R11

1/2W47

TNR1

10D561K

R13
50m

F2

250V2A

R110
220

U101
KA431AZ

R111

2.7K-F

R112

2.7K-F

PC101-A
817M-B

ZD103

Z10-200B*3

TH1

10D-13

R4

R3

1/2W330K*2

GND-A

C4

224

R5

1/4W56K*3

C5

450V82uF

F102
250V4A

C106

50V105(MONO)

B1

BFS3550

L1
0835

C10
35V22uF

D2

200V1A

C102

35V680uF

R109
1K

PC101-B

817M-B

C8
333

GND-A

L101

4.7uH

F/G

R115

4.7K

R113

1W1.5K

R114

1K

Q101

KSC1008

R117

47K

OP101
KPI-512

C108
50V103

C13

50V104

0

0

00

PC102
TLP3061F

AR1

SSG-102-A1

C3
684

R14

1/4W22

C9

1KV221

R9

1/4W10

BD1

D3SBA60

C6

630V103

C7

1KV221

R1045W1K

R1035W1K

R116

1/4W150

D101

200V10A

B2

BFS2550

C101

1KV222

B101

5*5-2.5H

CON1

CON1

CON2-01

CON2-08

CON2-06

CON2-07

CON2-09

CON2-02__+24V_2A

SOLDER_MASK

CON2-04

CON2-02

CON2-03

CON2-05

CON2-03,04_+24VS1

CON2-05__+5V_1A

CON2-6,7__DGND

CON2-6,7__DGND

CON2-09(FUSER-ON)

5V

CON2-08(P_REGI)CON2-1(+24VS2)

AC IN

INLET1

CON1

NO MARKING RESISTOR 1/8W-J(5%)

12

46

+24VS2

+24V

+24VS1

1

2

3

6

497

PT1

D GND

+24VS1

+5V

P_REGI

FUESR_ON

DGND

DGND

D GND

2

1

3

SW2

8

40V3A

9

11

D GND

24

36

GND FB

VinSTR1Drain

5

NC

U2

FSDM07652R

D GND

3

4

D GND

2

1

WHITNEY PLUS-V2C

SMPS (2/2)

Schematic Diagram

Service Manual

10-15

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Q401
KST2907A

18V

R412
1/2W2K

R404

30KF

C402

103

R407
240KF

R408
47K

R409

1K

Q402
D526-Y

IT401
KAB-006

R410
1W3

24VS2

C405
2KV680

D401

6KV

1 3

2

MHV
50K

D403
1N4148

R405

220KF

D404

1N4148

D402
6KV

R403

100KF

R402
62KF

C408
104

R406

2.2KF

C403

333

C406

3KV471

R413
BR1/2W15MJ

R426

1/2W100K

R414
BR1/2W30MF

ZD401
1W100V

IT501
T1167

Q501
KST2907A

U104
7407

R503
100

C502

222

R506
56KF

R505
100KF

R509
12KF

R508

86.6KF

Q502
D526-Y

C503

104

R510
47K

R512
430

C504
333

R513
1W3

C505
2KV680

D502

6KV

C506
3KV471

R516

1/2W51K

R514
MGR1W15MF

ZD501
1W200V

1 3

2

DEV
50K

18V 24VS2

R124
1W1.2K

Q103
B1151-Y

24VS5V

R121

3.9K

24VS2

C113

25V47uF

U103
KA7818

R401

100

U104
7407

5V

C404

3KV471

Q104

KST2222A

R411
1/2W2.2K

C401

222

R502

1/2w2.2K

R504

1/2w2K

C501

104

U102
KA324

U102
KA324

R123
100

R122
1K

R518
MGR1W15MF

D501

1N4148

R519

1/2W51K
R511
47K

R507
18KF

MHV

24VS2

18V

BIAS-PWM

OPC

MHV-PWM

SUPPLY

DEV

SKYLARK-HVPS

CN1-#13

98

7

1

10

CN1-#11

11

14

1

5

2

4

6

7

1

5

2

4

6

7

(2012)

(2012)

(2012) (2012)

(2012)

(2012)(2012)

(2012)

(2012)

(2012)

+

+

-

-

(SMD)

(SMD)

(SMD)

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

SOP-14

SOP-14

SOP-14

SOP-14

(2012)

(2012)

(2012)

(2012)

(2012) (2012)

(2012)

(2012)

(2012)

(2012)

(2012)

3

2

6

7

5

(2012)

(2012)

HVPS (1/3)

Schematic Diagram

Service Manual

10-16

This Document can not be used without Samsung’s authorization.

Samsung Electronics

R302
470K

ZD301

2.7B

Q302
C2383

C305
104J

D304
1N4148

D302
6KV

24VS2

R304

1/4W4.7

D305
1N4148

C210
6KV221

D205
6KV

D206
6KV

R209
100K

R208
10K

C205
2A471

THV
100K

R205

22K

R202
100

Q201
KST2907A

C115
104J

Q202
KST2222A

C208
2A681

D202
D1NL20U

D203

D1NL20U

R211

1/4W4.7J

Q203

C2383

C202
102

R306

100KF

18V

R301

5.6K

INDEX
50K

IC102/A

R309
10KF

C303
103

R201
1/2W2K

D201
1N4148

R204
820K

C207

2A472

R214
300K

C201
2A473

C203
681

R206
130KF

R207
330KF

R210

5.6K

D204
6KV

C209
6KV221

TNR201
7N561K

TNR202
7N471K

C212
2KV221

ZD201

2.7B

C211
6KV221

R213
BR1/2W100MF

R305
BR1/2W50M

D303
1N4148

R212
1/2W100K

C304
3KV151

C301
104J

R303
470

D301
D1NL20U

R310
150J

R308
1KF

ZD302

2.7B

18V

18V

24VS2

IT301

IT-01

IT201

IT-01

C307
2A473J

R203

1/2w2K

C206
104J

C306
2A473J

R307

150KF

U102/B
KA324

Q301

KST2222A

THV

THV_READ

THV

THV

4

2

5

1

4

2

516

7

18V

7

6

>>

CN1-#9

THV PWM

THV-sen

CN1-#10

THV -EA

THV READ
CN1-#12

18V

>>THV-sen

7407

7407

SKYLARK-HVPS

(2012)

(2012)

(2012)

(2012)

(2012)

(2012) (2012)

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

12

9

4

11

8

6

12

13

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

(2012)

(SMD)

(SMD)

(SMD)

(2012)

SOP-14

SOP-14

SOP-14

SOP-14

(2012)

13

14 +

-

10

+

-

5

(2012)

(2012)

HVPS (2/3)

Schematic Diagram

Service Manual

10-17

This Document can not be used without Samsung’s authorization.

Samsung Electronics

OP2

R4
100R333K

C1
10nF

R5
10K

SW1

TNR101

07N561K

R9
33K

C10
10nF

SW2

LED2

R2

2.2K

R1

5.6K

CN3

Q1

KST2222A

D1

1N4003

OP1

R8
100

LED1

+24VS2____

+24VS2____

+24VS_____

+24VS_____

+3.3V_____

D_GND_____

+5V_______

P_EXIT____

THV_PWM___

THV_EN____

MHV_PWM___

THV_READ___

BIAS_PWM___

FAN_______

P_EMPTY____

CRU_DET___

KEY_IN____

TONER_SAVE

ERROR_____

READY______

24VS1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

CN1

(2012) (2012)

CRU_DET

GND

(2012)

(2012)

(2012)

(2012)

3

1

RED

(2012)

SKYLARK-HVPS

(2012)

(2012)

HVPS (3/3)

Schematic Diagram

Service Manual

10-18

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Whitney LD B'd

LD B’d (1/1)