Power supply circuit diagram analysis

1

2

F101 6.3A

3

4

5

VA101 R101 150K K385

6

D101 D15XB60

8

7

D607 DIODE

L LF101 uH

C106 102

D SC101 AC110-220V

2 1

C102 470p

L102 uH

C101 474

C105 474

TH601 SCK154 Q601 SD20N60

C104 474

R602 100R

C103 470p C601 105

N

395V PFC

L601 EI

C107 102

D602 SB140

R601 100R

R603 10R

R604 10R

D605 BRIDGE-06

D603 SB140

D125 1N4007

R144 390K

300V

82V R145 560K

C

TH602 SCK154 C617 150u/450V

R607 47K

R146 560K

D

Q603 SD20N60

R614 620K

R613 33K

C618 150u/450V

R606 47K

R619 0.15/2W

R620 0.15/2W

285V R142 390K

R615 620K

R621 820K

R811 10R C

210V

57V R126 560K

190V R123 390K

145V

28V R127 560K

87V

14V R136 680K

R616 620K

R622 820K

95V R137 390K

C619 151

155V

C680 0.01u

R623 820K

2 3

1V 5V

4

C126 0.01u R611 1K5*

R134 240K

R133 200K

R612 15K

FB

VCC

COMP

OUT

MUL

GND

IS

ZCD

8

R624 10R

7 6

D601 1SS133 Q606 KTA1552

5

C614 1u C605 0.22u

R608 15K

C803 0.1u

Q605 KST2222 1

2V5

R139 68K

C802 47u

IC601 FA5501

R138 120K

C122 224

C603 47u/50V ZD801 15V

68V

R617 620K

R625 10R

C604 104

Q601 C3209

R609 22R

C616 2200p

PC153B PS2561A

ZD601 16V

R610 68K

C615 1000p

PFC-ON

ZD608 V

B

R135 2K

D123 1SS133

ZD122 11V

ZD121 8V2

D122 1SS133

C

R605 1K8

Q152 C3209

R140 39K

B

A

R128 62K

C124 473

C128 473

R124 4K7

R141 180K

18V R125 1K5

PC151A PS2561A

R122 1K5

AC-DET R130 20K

D121 1SS133

D124 1SS133

R162 10K

R161 10K

R121 4K7

220V-OK

R131 4K7

D154 DIODE

PFC-DET

R143 4K7

Q121 C3198

PC152A PS2561A

B

PFC-OK

C129 154

R132 4K7

U121 LM431

U122 LM431

C154 10u/50V

C155 104

ZD153 15V

R129 1K

A

A C121 224

PSPU-J706A-1/3

1

2

3

4

5

6

7

8

3

4

5 D851 STTH512PF

C856 220u/250V

D807 SB140

R805 300R

C805 1000p

R808 10K

C

R815 150K

5

D806 1SS133

6

C

7 8

C904 22u

GND

VCC

CS

NC

FB

HV

DMG

4

R855 100K

C854 0.022u

R871 68K

C855 0.15u

C907 470u/100V

ZD901 18V

D906 UF4004

U204 KIA378R05PI Vin

R921 6K8/2W

R906 3K

PC801A PS2561A

1

R853 10R

R912 18K

C906 0.047u

R908 100K

VR851 50K

PC801B PS2561A

U851 LM431

R851 3K9

C

U205 KIA378R05PI Vin

VR901 20K

U901 LM431

R913 1K8

2

Vout

gnd

C806 102

R238 12K

R735 680R

L902 uH

STBY5V C216 100u

VA ADJ 3

ZD802 10V

16V C215 470u

D206 1SS133

1 D805 1SS133

VS VS NC GND GND GND VA GND 5V

M5V-ON

3 R870 1K

2

Vout

R907 1K5

PC901A PS2561A

R911 18K

2

9 8 7 6 5 4 3 2 1

5V

D205 1SS133

1

R850 4K7

R852 1K R863 1K5

DRV

C903 PC901B 0.047u PS2561A D901 DIODE C914 47u

T801

R854 100K

P814 TO-(Z-SUS) VA-DET

R905 470R R904 100K

C807 56p

IC801 NCP1207A

DISCHARGE

L901 uH

C857 220u/250V

D809 SB140

C853 0.1u

Q851 2SC3875

on

R803 10K

ZD806 20V

ZD805 20V

D905 GPP10J R903 100K

R810 15K R816 0.15R/2W

SYNC

C804 220p/1KV

R807 15K

R869 10K

D

R851 27R R804 10R

R868 22K

R867 100R

Q852 FQPF9N25C

gnd

ZD807 20V

D903 UF4007

4

R809 330R

D902 R909 DIODE 2K4

on

R812 330R

C905 3900p

4

R814 10K

D801 4148

R930 470R

3

R813 10R

D804 4148

VS-DET R865 220R/5W

5

R901 0R16

D

VFB

R866 27R

Q801 P6NK90ZFP

18V

R872 22R/5W

4

C851 270p

VCC

C801 0.01u/630V

3

Q803 P6NK90ZFP

R802 100K/2W

GND

R800 100K/2W

D803 UF5408

VS-DET IC901 FSCQ-0565RT DRAIN

D802 UF5408

8

7

D913 DIODE

PFC R801 0R16

6

2

2

1

1

T201 STBY5V-ON D218 1SS133 Q804 KRC103M

R151 0R16

B

C210 2200u

R219 390R

C211 2200u

C209 680p

D152 4007

5V/5V4

R218 1K

PC201A PS2561A

D204 VF20100SG

C214 0.1u

R220 3K

FB704 uH

R223 2K7

U203 KIA378R05PI 1

Vin

U206 LM431

R221 100R

B

R222 2K4

5VSC 2

Vout on

C151 102

R153 62K

FB703 uH

C213 100u

4

Q802 KRC103M

gnd

C809 47u

3

PC802B C808 PS2561A 0.01u VS-ON

RL-1 D151 1SS133

Q201 FQPF11P06

Q151 STP6NK90ZFP

DRV

VCC

NC

R209 5K1

Q202 A1023

C204 0.1u

M5V-ON-IN

R213 2K2/2W

GND

R206 470K

MULTI-ON D203 1SS133

R210 9K1

R202 10K

D153 SD140

R158 R47/2W

D202 1SS133

2

P812 TO-MAIN

FB702 uH

Q204 C3200

C202 470u

ZD201 6V8

U202 7809

R205 12K

1

R212 6K8

Vin

A Vout

3

PSPU-J706A-2/3

2

PC201B PS2561A

C205 0.022u

R203 10K

C207 470u 1

GND STBY5V 5VSC GND 9VSC GND 16V 16V GND GND M5V-ON 5V-MNT VS-ON RL-ON AC-DET

A

C156 47u ZD155 10V

16V

GND

CS

C206 0.022u

VS-ON RL-ON AC-DET

R705 1K

Q203 C3200 C203 2200p

D156 4007

4

FB

ZD151 20V

A C158 0.01u

R208 4K7

R207 27K

R159 56R

R155 10K

FB701 uH

18V

3

SKIP/LATCH 1

R204 56K

D201 FML-G14S

R157 10K

2

HV

R156 56R

IC151 NCP1271A

16V

5

6

7

R154 51R 8

R152 10K

B 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

3

4

5

6

C208 47u 7

8

1

2

3

4

5

R215 30R

6

R718 10K

ON

R731 1K

OFF

5V/5V4

M5V-ON-IN

POWER

D ZD202 5V

C708 100u

R724 47K

R716 2K

C701 1000p

R733 3K3

R730 2K4

R703 10K

C705 102

R734 10K

C217 104

R712 1K

R715 100K

R717 100K ON

R727 5K1

OFF

9VSC

VS-ON

Q205 KRC103S

ON OFF

M5V-ON

RL-ON ON OFF 2V5

MULTI-ON

R732 12K C

R719 1K 1V2

5VSC R217 4K7

DISCHARGE

R216 4K7

R702 2K2

2V5

5V

R720 2K2

8

7

MAIN-BOARD

GND

GND

STBY5V

5V-STANDBY

5VSC

5VSC

GND

GND

9VSC

9VSC

GND

GND

16V

AUDIO

16V

AUDIO

GND

GND

GND

GND

M5V-ON

STANDBY-POWER

5V-MNT

NC

VS-ON

READY-SON-1

RL-ON

STANDBY-POWER

AC-DET

NC

D

C

R701 2K2

5V-DET 1

2

3

4

5

6

7

8

9

10

11

12

13

14

STBY5V

CLOSE

IC701 MC80F0308

28

27

26

25

24

23

22

21

20

19

18

17

16

15

X701 8MHz R725 1K 2V2

R714 1K

R708 1K

R729 1K

R225 10K

R713 1K

2V5

PC151B PS2561A

PC152B PS2561A

PC153A PS2561A

PC802A PS2561A

AC-DET

PFC-DET

PFC-ON

VS-ON

B

B

STBY5V-ON OFF R723 47K

ON OFF

16V

ON

2V5 R704 12K 150V

115V

82V

50V

R710 2K7

2V8

12V5

AC-DET

VS-DET R858 33K

R859 33K

R860 33K

R861 33K

R862 33K

R711 10K

R224 24K RL-1

35V

7V8

2V7 Q207 KRC103S

VA-DET R915 27K

R916 27K

R707 5K6 R706 2K7

A

C702 1000p

C706 1000p

C707 1000p

R726 2K2

R721 22K

R728 22K

BY ST

C212 104

A

PSPU-J706A-3/3

1

2

3

4

5

6

7

8