Philips 19PFL3504D/F7, Service Manual, Page: 37 / 124

9-3
Audio Block Diagram
A91N2BLA
IC771 (A
UDIO SELECT
OR)
HDMI- A
U
DIO(L)-IN
HDMI- A
U
DIO(R)-IN
JK721 JK722 COMPONENT
-
A
U
DIO(L)-IN
COMPONENT
-
A
U
DIO(R)-IN
JK741 JK742 PC-A
UDIO-IN
JK711
2 4 1 5
15 11 12 14
J
A
CK CB
A
A
U
DIO(L)
-IN A
U
DIO(R)
-IN JK753 JK754
CN3702
CN302
A
U
DIO(L)
13
13
A
U
DIO(R)
11
11
CN702
CN701
CN702
CN701
A
U
DIO(L)
13
13
A
U
DIO(R)
15
15
CN3702
CN302
INPUT1
10
10
INPUT0
12
12
CN3701
CN301
AMP(L)-OUT
66 AMP(R)-OUT
88
MAIN CB
A
DIGIT
AL MAIN CB
A UNIT
8
4 6
IC801
(A
UDIO AMP)
1 9
MUTE CONTROL
CN872
SP862 SPEAKER R-CH
DRIVE
CN302
CN3702
A
U
DIO-MUTE
20
20
JK841 DIGIT
AL
A
U
DIO-OUT
(CO
AXIAL)
Q841
Q771
Q722
B
UFFER
SPDIF
2
2
SPDIF
23
23
Q801
CONTR
OL
LOGIC
3
10
9
13
IC803 (OP AMP)
1
3
7
5
DRIVE
IC3801 (D/A CONVER
TER)
D/A CONVER
TER
15 14
8 7 6 5
(L-CH) (R-CH)
A
UDIO(L)
A
UDIO(R)
TO DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
TO DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
INPUT1
LRCLK
BCLK
A
D
ATA
0
A
CLK
SPDIF
INPUT0
A
U
DIO-MUTE
TO SYSTEM CONTR
OL
BLOCK DIA
GRAM
AUDIO SIGNAL
WF7
B
U
FFER
Q773
B
U
FFER
Q774
INPUT1
24
24
INPUT0
22
22
SP(R)
1
SP-GND
2
HEADPHONE(R)
3,4
3,4
HEADPHONE(L)
9,10
9,10
SP(R)
1,2
1,2
CN871
SP861 SPEAKER L-CH
SP(L)
1
SP-GND
2
JK851 HEADPHONE JA
C
K