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Audio signal processing stage – Eiki LC-X71 LC-X71L User Manual

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Chassis Description

Q5002

Q1683

Q1636

Q1681

Q5001

Q5004

Q5303

Q5007

1

15

2

5

3

12

5

14

2

15

2

3

3

6

5

1

2

10

9

10

3,14

7

7

1

12

17

17

13

16

15

3

6

Mute: H

Mute: H

Mute: L

Monitor out ON : L
Monitor out OFF : H

15

47 45

K00D

K40C

K16R

K10P

K16N

K20H

K20J

K20A

K40E

K10R

K8T

K16S

IC301

SYSTEM

CONTR

OL

PW_SCL_3V

PW_SDA_3V

PW_SCL_5V

PW_SDA_5V

SP OFF

VO
LUME

VOLUME

AUDIO_SW1

AUDIO_SW2

AUDIO_SW1

AUDIO_SW2

SP OFF

325

246

5

2

232

4

143

46

5

84

MAIN BOARD

DRIVE BOARD

SW BO

ARD

R_NET

AV BOARD

IC1652

A

UDIO-CONTR

OL

IC1651

PRE AMP.

IC1632

IC1631

L

L

R

R

L

R

L

R

L

R

PC 1

AUDIO-IN/OUT

PC 2

AUDIO-IN

VIDEO

AUDIO-IN

(VARIABLE OUTPUT)

IC281

DAC

IC3252

BUFFER

IC3251

BUFFER

264

IC5002

SW

K20C

SW2001

K20F

K20G

K20D

IC1681

L-AMP.

IC1682

R-AMP.

L

SP901

SP902

L

R

R

SP_MUTE

13

12

11

K16U

EXP SP._L

EXP SP._R

K20B

1

3

5

1

4

3

2

1

4

3

2

IC001

A

UDIO-SW

<4052>

SP_MUTE

3

1

5

6

7

15

+

-

+

-

-

+

-

+

3,18

3,18

12,13

8,9

12,13

8,9

263

AUDIO_MUTE

M_OUT

16VA

3

3

1

1

12VAL

12VAR

Audio signal processing stage