Philips 42PFL3704D/F7 - Audio Block Diagram

9-3
Audio Block Diagram
A91H2BLA
AUDIO SIGNAL
IC401
(INPUT SELECTOR)
AUDIO(L)-IN1 AUDIO(R)-IN1 JK704 JK705 COMPONENT AUDIO(L)-IN1 COMPONENT AUDIO(R)-IN1
HDMI AUDIO(L)-IN HDMI AUDIO(R)-IN
COMPONENT AUDIO(L)-IN2 COMPONENT AUDIO(R)-IN2 JK720 JK721 JK710
WITH TWO COMPONENT INPUT
JK711 JK712 JK713
14 16
28 27
18 20 15 17 19 21
AUDIO SELECTOR
AUDIO(L)-OUT AUDIO(R)-OUT
JK722 JK723
24 25
AUDIO(L)-IN2 AUDIO(R)-IN2 JK708 JK709
CN3702CN202
AUDIO(L)24 24 AUDIO(R)26 26
JACK POWER CBA
AUDIO(L)
AUDIO(R)
DIGITAL MAIN CBA UNIT
WF4
20
IC801 (AUDIO POWER AMP)
IC803 (OP AMP)
1
7 1
5 3
44
9,10 13,14 35,36 31,32
MUTE CONTROL
CN801
CL801
SP801 SPEAKER L-CH
CN802
SP(R)-
1
CL802
SP802 SPEAKER R-CH
DRIVE1 PWM1 DRIVE2 PWM2
IC3503 (AUDIO D/A CONVERTER)
IC3501 (AUDIO DSP)
D/A CONVERTER
DSP
(L-CH) (R-CH)
15 14
5 6 7 8
37 34 33 36 35
39
3 4
40
2
IC3502 (AUDIO D/A CONVERTER)
D/A CONVERTER
(L-CH) (R-CH)
15 14
5 6 7 8
CN202 CN3702
CN202 CN3702
AUDIO-MUTE
1111
JK701 DIGITAL AUDIO-OUT (COAXIAL)
Q702
BUFFER
Q802,Q804
DRIVE
Q703
MUTE
SPDIF
1313
AUDIO(L)-OUT
44
AUDIO(R)-OUT
66
AMP(L)-OUT
88
AMP(R)-OUT
1010
SP(R)+
2
SP(L)-
1
SP(L)+
2
ACLK
A DATA 0
BCLK
LRCLK
A DATA 1
SPDIF
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
AUDIO-MUTE
TO SYSTEM CONTROL BLOCK DIAGRAM
Q801
Q704
MUTE