LTO 180FX MKII Service Manual Download Page 7

1

2

3

4

5

6

7

8

9

10

11

12

A

B

C

D

12

11

10

9

8

7

6

5

4

3

2

1

D

C

B

A

8

4

U3C

4580M

8

4

U6C

4580M

8

4

U2C

4580M

C139

100n

C137

100n

C140

100n

C138

100n

+V

C

C

-V

C

C

C141

100n

C142

100n

8

4

U5C

4580M

8

4

U8C

4580M

8

4

U11C

4580M

8

4

U12C

4580M

8

4

U16C

4580M

C143

100n

C144

100n

C145

100n

C146

100n

C147

100n

C148

100n

C149

100n

C150

100n

C152

100n

C153

100n

C154

100n

C155

100n

C156

100n

C157

100n

C158

100n

C159

100n

C160

100n

C161

100n

8

4

U1C

4580M

8

4

U4C

4580M

8

4

U7C

4580M

8

4

U17C

4580M

3c

5e

1a

4d

2b

X4

JY

-6351G

-02-

250

T

R

S

RN

TN

L

IN

E

 IN

 5

3c

5e

1a

4d

2b

X5

JY

-6351G

-02-

250

T

R

S

RN

TN

LEFT

(M

O

N

O

)

RI

GHT

5

6

7

U13B

4580M

R96 10K

C51

22P

R93 10K

C66

22P

R79

18K

C121

100P

R90 18K

C124

100P

3

2

1

U13A

4580M

R97

10K

C68

22P

R94

10K

C64

22P

R89 18K

C122

100P

R91

18K

C123

100P

R82

10K

R83

10K

R147

20K

R148

20K

A

M

X-180 MKII/180FX MKIIPU1

.S01

Ti

te

l

Si

z

e

F

ile

:

Da

te

:

Dr

a

w

n

 By

:

Sheet

Re

v

is

io

n

M

odel

 N

o

:

12-

O

ct

-2004

KENNY

 HO.

IN

PUT

 ST

A

G

E (

 CH1-

CH4 )

2

2o

f

A

M

X-180 MKII/180FX MKIIP

U

1

VER

040709

A2

P

CB

#

 A

M

X180MKII/180FX MKIIFXP

U

1

.P

C

B

3c

5e

1a

4d

2b

X7

JY

-6351G

-02-

250

T

R

S

RN

TN

3c

5e

1a

4d

2b

X8

JY

-6351G

-02-

250

T

R

S

RN

TN

5

6

7

U16B

4580M

R114

10K

C56

22P

C108

47u

/25V

R110

10K

C69

22P

R84

10K

C127

100P

R106 10K

C129

100P

3

2

1

U16A

4580M

R113

10K

C72

22P

C109

47u

/25V

R112

10K

C71

22P

R107 10K

C131

100P

R108

10K

C132

100P

R149

20K

R151

20K

3c

5e

1a

4d

2b

X9

JY

-6351G

-02-

250

T

R

S

RN

TN

3c

5e

1a

4d

2b

X1

2

JY

-6351G

-02-

250

T

R

S

RN

TN

5

6

7

U17B

4580M

R115

10K

C73

22P

C110

47u

/25V

R111

10K

C70

22P

R105

10K

C128

100P

R109 10K

C130

100P

3

2

1

U17A

4580M

R125 10K

C81

22P

C115

47u

/25V

R124

10K

C80

22P

R122 10K

C135

100P

R123 10K

C136

100P

R150

20K

R155

20K

L

IN

E

 IN

 6

L

IN

E

 IN

 9

LEFT

(M

O

N

O

)

RI

GHT

L

IN

E

 IN

 1

0

L

IN

E

 IN

 1

1

LEFT

(M

O

N

O

)

RI

GHT

L

IN

E

 IN

 1

2

3c

5e

1a

4d

2b

X1

3

JY

-6351G

-02-

250

ST

ER

EO

 A

U

X

LEFT

 1

3c

5e

1a

4d

2b

X1

4

JY

-6351G

-02-

250

RI

GHT

 1

RE

T

URN2

ST

ER

EO

 A

U

X

RE

T

URN1

3c

5e

1a

4d

2b

X1

5

JY

-6351G

-02-

250

3c

5e

1a

4d

2b

X1

6

JY

-6351G

-02-

250

RI

GHT

 2

LEFT

 2

(M

ONO /

 MA

ST

ER)

3c

5e

1a

4d

2b

X1

7

JY

-6351G

-02-

250

A

U

X SEN

D

1

R165

120R

R164 120R

3c

5e

1a

4d

2b

X1

8

JY

-6351G

-02-

250

A

U

X SEN

D

2

R166

120R

R169

120R

T

R

S

RN

TN

T

R

S

RN

TN

3c

5e

1a

4d

2b

X2

0

JY

-6351G

-02-

250

R168

120R

R171

120R

CT

RL RO

O

M

 O

UT

3c

5e

1a

4d

2b

X1

9

JY

-6351G

-02-

250

R170

120R

R167

120R

LEFT

RI

GHT

CT

RL

-R-

L

CT

RL

-R-

R

R176

1K

R177

1K

L(

W

H

IT

E)

R(

RED)

T

A

PE I

N

T

A

PE OUT

1

4

2

5

3

6

X2

7

S

C

P

6873NS

3232

2T

K

-I

N

-L

2T

K

-I

N

-R

M

A

IN

-R

-2

M

A

IN

-L

-2

5

6

7

U9B

BA

15218N

5

6

7

U10B

BA

15218N

C120

22P

R127

10K

R174

120R

3c

5e

1a

4d

2b

X2

1

JY

-6351G

-02-

250

R175

120R

PH

O

N

ES

R173

120R

R172

120R

3

2

1

U9A

BA

15218N

3

2

1

U10A

BA

15218N

R126

10K

C119

22P

CT

RL

-R-

L

CT

RL

-R-

R

R159

2K

SW

7

A

P

S

-22E

85L

R160

2K

SW

7

B

P

S

-22E

85L

R161

2K

SW

8

A

P

S

-22E

85L

R163

2K

SW

8

B

P

S

-22E

85L

R156

2K

SW

5

A

P

S

-22E

85L

R157

2K

SW

5

B

P

S

-22E

85L

C106

47u

/25V

C107

47u

/25V

8

4

U15C

4580M

8

4

U13C

4580M

(L

EVEL +

4

dBu/

-10dBv

)

(L

EVEL +

4

dBu/

-10dBv

)

(L

EVEL +

4

dBu/

-10dBv

)

(L

EVEL +

4

dBu/

-10dBv

)

(L

EVEL +

4

dBu/

-10dBv

)

(L

EVEL +

4

dBu/

-10dBv

)

PRE-

CH5

PRE-

CH6

PRE-

CH9

PRE-

CH10

PRE-

CH11

PRE-

CH12

C162

100n

C163

100n

C166

100n

C167

100n

8

4

U9C

BA

15218N

8

4

U10C

BA

15218N

C113

47u

/25V

C116

47u

/25V

C151

100n

C168

100n

+V

C

C

-V

C

C

3c

5e

1a

4d

2b

X6

JY

-6351G

-02-

250

T

R

S

RN

TN

3c

5e

1a

4d

2b

X1

1

JY

-6351G

-02-

250

T

R

S

RN

TN

5

6

7

U15B

4580M

R98

10K

C67

22P

C103

47u

/25V

R95

10K

C65

22P

R88

10K

C125

100P

R92 10K

C126

100P

3

2

1

U15A

4580M

R121 10K

C79

22P

C114

47u

/25V

R120

10K

C78

22P

R118 10K

C133

100P

R119 10K

C134

100P

R146

20K

R154

20K

L

IN

E

 IN

 7

LEFT

(M

O

N

O

)

RI

GHT

L

IN

E

 IN

 8

R158

2K

SW

6

A

P

S

-22E

85L

R162

2K

SW

6

B

P

S

-22E

85L

(L

EVEL +

4

dBu/

-10dBv

)

(L

EVEL +

4

dBu/

-10dBv

)

PRE-

CH7

PRE-

CH8

VR

5

Z

10K

C2

470P

C21

22u

/35V

R32

11K0

L

IN

E

 IN

1

MI

C

 1

C31

47u

F

/50V

R41

3K60

R21

6.81K 1%

PH PW

R

C3 470P

R22

6.81K 1%

C33

47u

F

/50V

C6 47P

R31

11K0

R43 3K60

C23

22u

/35V

R2

51K

R1

51K

C5

470P

2

1

3

4

X2

2

S

M

C-

6.02

R56

5K11

R58

5K11

C47

22P

C46

22P

R77

10K

R51 27R

C41

1000u

F

/10V

R76

10K

R59

5K11

C48

22P

R62

5K11

C50 22P

C94

47u

/25V

R140

20K

3c

5e

1a

4d

2b

X1

JY

-6351G

-02-

250

R128

62K

R132

1K3

R142

20K

C96

47u

/25V

C82

0.22u

F

/50V

C83

0.22u

F

/50V

C84

0.22u

F

/50V

R136

6K8

1

2

3

SW

1

A

P

S

-22E

85L

L

O

 CUT

VR

6

Z

10K

C1

470P

C22

22u

/35V

R33 11K0

L

IN

E

 IN

2

MI

C

 2

C32

47u

F

/50V

R42 3K60

R23

6.81K 1%

PH PW

R

C4

470P

R28

6.81K 1%

C36

47u

F

/50V

C16 47P

R36 11K0

R46

3K60

C27

22u

/35V

R7 51K

R6

51K

C13 470P

2

1

3

4

X2

5

S

M

C-

6.02

R57 5K11

R68

5K11

C60

22P

C58

22P

R86

10K

R54 27R

C43

1000u

F

/10V

R78

10K

R60

5K11

C49

22P

R61

5K11

C63 22P

C95

47u

/25V

R141

20K

3c

5e

1a

4d

2b

X2

JY

-6351G

-02-

250

R130 62K

R133

1K3

R145

20K

C100

47u

/25V

C86

0.22u

F

/50V

C87

0.22u

F

/50V

C89

0.22u

F

/50V

R137

6K8

1

2

3

SW

2

A

P

S

-22E

85L

L

O

 CUT

VR

7

Z

10K

C11

470P

C26

22u

/35V

R38

11K0

L

IN

E

 IN

3

MI

C

 3

C37

47u

F

/50V

R47

3K60

R26

6.81K 1%

PH PW

R

C12

470P

R27

6.81K 1%

C38

47u

F

/50V

C15

47P

R37

11K0

R48 3K60

C28

22u

/35V

R8 51K

R5 51K

C14

470P

2

1

3

4

X2

4

S

M

C-

6.02

R69

5K11

R67

5K11

C59

22P

C57

22P

R85

10K

R53

27R

C44

1000u

F

/10V

R87

10K

R70 5K11

C61

22P

R71

5K11

C62 22P

C98

47u

/25V

R143

20K

3c

5e

1a

4d

2b

X3

JY

-6351G

-02-

250

R134

62K

R129

1K3

R144

20K

C99

47u

/25V

C85

0.22u

F

/50V

C88

0.22u

F

/50V

C90

0.22u

F

/50V

R138

6K8

1

2

3

SW

3

A

P

S

-22E

85L

L

O

 CUT

VR

8

Z

10K

C17 470P

C29

22u

/35V

R40 11K0

L

IN

E

 IN

4

MI

C

 4

C39

47u

F

/50V

R49

3K60

R30

6.81K 1%

PH PW

R

C18 470P

R29

6.81K 1%

C40

47u

F

/50V

C20

47P

R39 11K0

R50 3K60

C30

22u

/35V

R10 51K

R9 51K

C19 470P

2

1

3

4

X2

6

S

M

C-

6.02

R73

5K11

R72 5K11

C75 22P

C74 22P

R116

10K

R55 27R

C45

1000u

F

/10V

R117 10K

R74

5K11

C76

22P

R75 5K11

C77 22P

C111

47u

/25V

R152

20K

3c

5e

1a

4d

2b

X1

0

JY

-6351G

-02-

250

R131

62K

R135

1K3

R153

20K

C112

47u

/25V

C91

0.22u

F

/50V

C92

0.22u

F

/50V

C93

0.22u

F

/50V

R139

6K8

1

2

3

SW

4

A

P

S

-22E

85L

L

O

 CUT

5

6

7

U2B

4580M

3

2

1

U1A

4580M

5

6

7

U1B

4580M

3

2

1

U2A

4580M

3

2

1

U3A

4580M

5

6

7

U3B

4580M

3

2

1

U4A

4580M

5

6

7

U4B

4580M

3

2

1

U5A

4580M

5

6

7

U5B

4580M

3

2

1

U6A

4580M

5

6

7

U6B

4580M

3

2

1

U7A

4580M

5

6

7

U7B

4580M

3

2

1

U8A

4580M

5

6

7

U8B

4580M

R13 4R7

R12 4R7

R11 4R7

R14 4R7

R17 4R7

R18 4R7

R19 4R7

R20 4R7

VR

9

Z

10K

MI

C

 5

C34

47u

F

/50V

R44 3K60

R24

6.81K 1%

PH PW

R

C8

470P

R25

6.81K 1%

C35

47u

F

/50V

C10

47P

R45 3K60

2

1

3

4

X2

3

S

M

C-

6.02

R63

5K11

R64

5K11

C53

22P

C52 22P

R81

10K

R52

27R

C42

1000u

F

/10V

R80

10K

R65

5K11

C54

22P

R66 8K2

C55 22P

C97

47u

/25V

5

6

7

U12B

4580M

3

2

1

U11A

4580M

3

2

1

U12A

4580M

R16 4R7

R15 4R7

PRE-

CH5

PRE-

CH6

PRE-

CH7

PRE-

CH8

PRE-

CH9

PRE-

CH10

PRE-

CH11

PRE-

CH12

+V

C

C

-V

C

C

GND

GND

CT

RL

-R-

L

CT

RL

-R-

R

2T

K

-I

N

-L

2T

K

-I

N

-R

PH LED

AL

T

4

-R

AL

T

3

-L

M

A

IN

-R

-2

M

A

IN

-R

-3

M

A

IN

-L

-3

M

A

IN

-L

-2

A

U

X-

RT

N1

-L

A

U

X-

RT

N1

-R

A

U

X-

SEND1

A

U

X-

SEND2

2T

K

-I

N

-L

2T

K

-I

N

-R

CT

RL

-R-

L

CT

RL

-R-

R

F

OOT

SW

PGND

RT

N-

CH1

IN

S-

CH1

RT

N-

CH2

IN

S-

CH2

RT

N-

CH3

IN

S-

CH3

RT

N-

CH4

IN

S-

CH4

M

A

IN

-R

-2

M

A

IN

-L

-2

A

U

X-

RT

N2

-L

A

U

X-

RT

N2

-R

A

U

X-

RT

N2

-L

A

U

X-

RT

N2

-R

A

U

X-

SEND1

A

U

X-

SEND2

A

U

X-

RT

N1

-R

A

U

X-

RT

N1

-L

+5

V

D

DGND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CN1

CN2.0-

14P

-180

C191

100P

C183

47u

/25V

C192

100P

C185

47u

/25V

C193

100P

C186

47u

/25V

C194 100P

C187

47u

/25V

R178

R179

GND

EFXRT

N

-L

EFXRT

N

-R

EFXRT

N

-R

EFXRT

N

-L

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CN2

CN2.0-

16P

-180

8

4

U18C

4580M

C24

100n

C25 100n

A

L

T3

 TO

 C

R

-L

A

L

T4

 TO

 C

R

-R

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CN3

CN2.0-

16P

-180

AMX-180MKII/

1

8

0

FX MKIIPU

1

-2

R100

20K

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Summary of Contents for 180FX MKII

Page 1: ...Service Manual www altoproaudio com Version 2 0 MODEL AMX 180MKII 180FX MKII Revised on Dec 2009...

Page 2: ...CONTENTS 1 Introduction 1 2 Specification 2 3 Block Diagram 3 4 Schematic Diagram 4 5 PCB Layout 12 6 Wiring Diagram 18 7 Exploded Views Mechanical Parts List 19 8 BOM List 22...

Page 3: ...ipped specifically for AMX 180 FX MKII mixing console The features as followings 5 MIC input channels with gold plated XLR and balanced LINE inputs 4 stereo input channels with balanced TRS jacks Ultr...

Page 4: ...1 Kohm All other output 120 ohm Hi shelving 15dB 12KHz Mid bell 12dB 2 5KHz Low shelving 15dB 80Hz Fader 0dB channels muted 100dBr ref 4dBu Fader 0dB all input channels assigned and set to UNITY gain...

Page 5: ...CONTROL ROOM LEFT TAPE OUT 2 1 3 2 1 3 LEVEL AUX2 DSP STEREO AUX RETURN 1 3c 5e 1a 4d 2b LEFT MONO 3c 5e 1a 4d 2b RIGHT AUX1 RETURN T R S RN TN T R S RN TN T R S RN TN T R S RN TN PAN PHANTOM LINE IN...

Page 6: ...T4 3c 5e 1a 4d 2b X30 JY 6351G 02 250 T R S RN TN MAIN R UNBAL 3c 5e 1a 4d 2b X33 JY 6351G 02 250 T R S RN TN MAIN L UNBAL R186 120R R184 120R R190 120R R185 120R 3c 5e 1a 4d 2b X29 JY 6351G 02 250 T...

Page 7: ...7 LEFT MONO RIGHT LINE IN 8 R158 2K SW6A PS 22E85L R162 2K SW6B PS 22E85L LEVEL 4dBu 10dBv LEVEL 4dBu 10dBv PRE CH7 PRE CH8 VR5 Z10K C2 470P C21 22u 35V R32 11K0 LINE IN1 MIC 1 C31 47uF 50V R41 3K60...

Page 8: ...14 YEL SOLO R129 2K2 VCC LOGIC 2 0V or 0 5V SW14 MUTE ALT3 4 SW15 SOLO PFL EQ HI 12KHZ C70 18n M VR36A B50K R64 6K8 VR38A B50K R63 6K8 LO R90 10K C19 47u 25V 3 2 1 U7A 4580M R182 1M C146 22P R6 1K1 VR...

Page 9: ...BUS R306 18K RIGHT BUS R305 18K ALT3 4 TO MIX SW28A PS 22E85L SW28B PS 22E85L 8 4 U15C 4580M 8 4 U18C 4580M 8 4 U14C 4580M 8 4 U17C 4580M 8 4 U20C 4580M 8 4 U21C 4580M 8 4 U13C 4580M 8 4 U16C 4580M 8...

Page 10: ...0 7 4 2 0 2 5 6 7 U27B LM358 R399 36K R393 0R0 R395 100K C297 47u 25V PGND 10 11 13 U35D LM339 5 4 2 U35A LM339 5 4 2 U34A LM339 10 11 13 U34D LM339 LD45 GR LD44 GR LD43 YEL LD42 RED 8 9 14 U35C LM339...

Page 11: ...31_2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CN11 HEADER 8X2 1 2 3 4 COM EN2 SDB161PVB15FS 1 2 3 4 COM EN1 SDB161PVB15FS 1 2 3 4 5 6 7 8 AR1 680R 4 1 2 3 4 5 6 7 8 AR2 680R 4 DGND DGND 5VD DGND 5VD 1 2...

Page 12: ...R16 BR DGND DGND R426 220R R419 7K5 8 4 U44C 4580M 8 4 U46C 4580M 8 4 U45C 4580M C336 100N C337 100N C338 100N C339 100N VCC VCC 3 4 U49B 74HC14 5 6 U49C 74HC14 8 9 U49D 74HC14 12 13 U49F 74HC14 14 7...

Page 13: ...11 For AMX 180FX MKII only...

Page 14: ...PCB 313123 2 Top Overlay 5 PCB Layout 12...

Page 15: ...AMX 180MKII 180FX MKII PU1 Top Overlay AMX 180MKII 180FX MKII PU1 Top Layer 13...

Page 16: ...AMX 180MKII 180FX MKII PU1 Bottom Overlay AMX 180MKII 180FX MKII PU1 Bottom Layer 14...

Page 17: ...AMX 180MKII 180FX MKII MN1 Bottom Layer 15...

Page 18: ...AMX 180MKII 180FX MKII MN1 Top Layer 16...

Page 19: ...DSP for AMX 180 FX MKII only 17...

Page 20: ...2 3 0 V T G 0 0 1 1 7 Voltage transform CN1 CN2 CN3 AMX180PU1 AMX180MN1 AMX 180MKII 180FX MKII Wiring Diagram CN17 AMX 180MKII180FXMKII WIRING DIAGRAM Sch Titel Size File Date Drawn By Sheet Revision...

Page 21: ...MODEL No AMX 180MKII 7 Exploded Views Mechanical Parts List 19...

Page 22: ...MODEL No AMX 180FX MKII 20...

Page 23: ...ication Qty 1 MA04586 panel AMX 180FX ALTO_V1 1 1 2 MB03115 rear board AMX 180 1 3 HI00026 power switch RA12KKATOF 2P 1 4 HI00171 power switch R612KKAT0F1 1 5 MG00061 screw M3 10 18 6 ME00060 nut JY 6...

Page 24: ...el 34 0033 MG00061 screw RS M3 10 MIC jack RCA outlet handles 35 0034 MF00061 MIC jack 9 6 13 0 5t 36 0035 ME00060 MIC jack JY 6351G 02 250 37 0036 MA06828 panel RS AMX 180 MK ALTO_V1 0 38 0037 MB0311...

Page 25: ...R109 R110 R111 R112 R113 R114 R115 R116 R11 7 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R208 R210 R211 89 0016 RD00104 SMD fixed resistor 1 10W 18K 5 0603 R79 R89 R90 R91 90 0017 RD00306 SMD...

Page 26: ...9 SMD fixed resistor 1 10W 120 5 0603 R391 136 0010 RD00076 SMD fixed resistor 1 10W 330 5 0603 R404 R405 137 0011 RD00078 SMD fixed resistor 1 10W 470 5 0603 R401 R402 R403 138 0012 RD00347 SMD fixed...

Page 27: ...10W 24 9K 1 0603 R271 R272 180 0054 RD00098 SMD fixed resistor 1 10W 7 5K 5 0603 R406 R408 181 0055 AE00553 SenJu solder paste M705 GRN360 K2 V 0 5KG bottle 182 0056 CI00266 SMD ceramic capacitor RS...

Page 28: ...FX USB ALTO_V1 2 28 0027 MI02093 fixed bracket AMX 180 1 0t 25 76 5 410 right_V1 0 29 0028 MI02095 fixed bracket AMX 180 right_V1 0 30 0029 NA00279 clip chain bag 0 04t 100 150mm_V1 0 31 0030 NA00874...

Page 29: ...2 6P KFC D85 C SELF LOCK SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 85 0006 HI00237 push button switch RS 2 12P KFC D130 B SELF LOCK SW9 86 0007 HC00065 connector male 2P 2 5mm 90 SW10 SW11 87 0008 SD00074 inte...

Page 30: ...5 C7 C9 C46 C47 C48 C49 C50 C51 C52 C53 C 54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 C65 C66 C67 C68 C69 C70 C71 C72 C7 3 C74 C75 C76 C77 C78 C79 C80 C81 C119 C120 133 0025 HK04392 PC board P AMX180F...

Page 31: ...D46 LD47 L D48 LD49 LD50 LD51 LD52 LD53 190 0008 SA00053 L E D 3 round red long foot 26mm LD1 LD3 LD4 LD6 LD7 LD9 LD10 LD12 LD13 LD15 LD16 LD18 LD19 LD21 LD22 LD24 LD2 6 LD28 LD30 LD42 LD401 191 0009...

Page 32: ...03 R104 R107 R110 R113 R116 R283 R284 R285 R286 R287 R288 R28 9 R290 R291 R294 R298 R300 R303 R304 R 362 R363 R364 R365 R397 R398 R426 R427 R452 R453 R454 R455 232 0032 RD00102 SMD fixed resistor 1 10...

Page 33: ...C261 C262 C263 265 0006 CB00194 electrolytic capacitor 47uF 25V 5 11mm C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C2 2 C23 C24 C25 C26 C27 C28 C29 C30 C31 C 32 C33 C34...

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