Philips 32PFL3505D/F7 Service Manual download pdf (Page 51)

9-15

3. Audio Block Diagram

PL10.3BLA

IC771

(AUDIO SELECTOR)

AUDIO(L)-OUT

AUDIO(R)-OUT

HDMI-

AUDIO(L)-IN

HDMI-

AUDIO(R)-IN

JK721

JK722

JK871

JK872

COMPONENT-

AUDIO(L)-IN

COMPONENT-

AUDIO(R)-IN

JK741

JK742

2

4

1

5

15

11

12

14

JACK CBA

CL701A

CL701B

AUDIO(L)-IN 77

AUDIO(R)-IN

9

9

AUDIO(L)

-IN

AUDIO(R)

-IN

JK753

JK754

CN3702CN302

AUDIO(L)13 13

AUDIO(R)11 11

CN3702CN302

INPUT110 10

INPUT012 12

CN3701CN301

AUDIO(L)-OUT22

AUDIO(R)-OUT44

AMP(L)-OUT66

AMP(R)-OUT88

POWER SUPPLY CBA DIGITAL MAIN CBA UNIT

4

IC801 (AUDIO AMP)

3

40

CONTROL LOGIC

CN801CL801

SP801

SPEAKER

L-CH

CN802

SP(R)-

1

CL802

SP802

SPEAKER

R-CH

GAIN

CONTROL

PWM

GENERATOR

PWM

GENERATOR

CN302

CN3702

AUDIO-MUTE

2020

JK841

DIGITAL

AUDIO-OUT

(COAXIAL)

Q841

Q771

Q772

BUFFER

Q871

Q873,Q874

MUTE

Q872

MUTE

SPDIF

22

SP(R)+

2

SP(L)-

1

SP(L)+

2

GAIN

CONTROL

PWM

GENERATOR

PWM

GENERATOR

Q801

CONTROL

LOGIC

3

109

13

IC871

(OP AMP)

1 3

7

5

DRIVE

IC3802

(D/A CONVERTER)

D/A

CONVERTER

15

14

8

7

6

5

(L-CH)

(R-CH)

IC3801

(D/A CONVERTER)

D/A

CONVERTER

15

14

8

7

6

5

(L-CH)

(R-CH)

AUDIO(L)

AUDIO(R)

TO

DIGITAL

SIGNAL

PROCESS

BLOCK

DIAGRAM

TO

DIGITAL

SIGNAL

PROCESS

BLOCK

DIAGRAM

INPUT1

LRCLK

BCLK

ADATA2

ACLK

SPDIF

ADATA1

INPUT0

AUDIO-MUTE

TO

SYSTEM

CONTROL

BLOCK

DIAGRAM

AUDIO SIGNAL

WF7

34

37

33

36

35

3

39

4

40

2

(AUDIO DSP)

IC3803

DSP

8

15

36

28

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