Philips LF501EM4 - Video;Audio Block Diagram

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2. Video/Audio Block Diagram
FL13.16BBLVA
DIGITAL MAIN CBA UNIT
IC3801 (AUDIO AMP)
Q3801
AMP-MUTE COMP-DET
TO SYSTEM CONTROL BLOCK DIAGRAM
SP3802 SPEAKER R-CH
CN3801
SP3801 SPEAKER L-CH
AMP(L)-OUT
AMP(R)-OUT
3
SP(R)-
4
SP(R)+
2
SP(L)-
1
SP(L)+
DIF-OUT1
DIF-OUT2
IF-AGC
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
JK3001 PC-RGB -IN
1 2 3
13 14 15
12
VGA-R-IN
VGA-G-IN
VGA-B-IN
VGA-HSYNC
VGA-VSYNC
VGA-SCL
VGA-SDA
TU3901
DIF-OUT1
6
DIF-OUT2
7
(TUNER UNIT)
IF-AGC
5
VIDEO SIGNAL
AUDIO SIGNAL
1 2 3
25 23
CONTROL LOGIC
DRIVE DRIVE
PWM LOGIC
18 20
DRIVE DRIVE
PWM LOGIC
12
POWER LIMIT POWER LIMIT
AUDIO(L)-IN AUDIO(R)-IN
JK3701
DIGITAL AUDIO-OUT (COAXIAL)
Q3701
BUFFER
AUDIO(L)-IN
AUDIO(R)-IN
HP(R)
HP(L)
SPDIF
COMPONENT -Y/VIDEO-IN COMPONENT -Pb-IN COMPONENT -Pr-IN
JK3702
COM-VIDEO-Y/VIDEO-IN
COM-VIDEO-Pr-IN
COM-VIDEO-Pb-IN
JK3703 HEADPHONE JACK