Emerson LC320EM2F - Page 32

9-2
2. Video/Audio Block Diagram
FL11.4ABLV
AUDIO(L)-IN AUDIO(R)-IN
JK3701
DIGITAL MAIN CBA UNIT
34 17
IC3801 (AUDIO AMP)
19
CONTROL LOGIC
DRIVE PWM
JK3702
DIGITAL AUDIO-OUT (COAXIAL)
Q3701
BUFFER
32
DRIVE PWM
Q3802
P-ON+5V
Q3804
Q3803
AUDIO(L)
AUDIO(R)
SPDIF
AUDIO-MUTE
BACKLIGHT-SW
TO SYSTEM CONTROL BLOCK DIAGRAM
WF4
CN3802
SP3802 SPEAKER R-CH
CN3801
SP3801 SPEAKER L-CH
AMP(L)-OUT
AMP(R)-OUT
2
SP-GND
1
SP(R)
2
SP-GND
1
SP(L)
COMPONENT -Y/VIDEO-IN COMPONENT -Pb-IN COMPONENT -Pr-IN
JK3701
DIF-OUT1
COMP-DET
DIF-OUT2
IF-AGC
COM-VIDEO-Y/VIDEO-IN
COM-VIDEO-Pr-IN
COM-VIDEO-Pb-IN
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
WF1 WF2 WF3
JK3001 PC-RGB IN
Q3702
IC3013 IC3014
1 2 3
13 14 15
12
VGA-R-IN
VGA-G-IN
VGA-B-IN
VGA-HSYNC
VGA-VSYNC
PC-SCL
PC-SDA
TU3401
DIF-OUT1
6
DIF-OUT2
7
(TUNER UNIT)
IF-AGC
5
BUFFER GATE
BUFFER
Q3703
BUFFER
BUFFER GATE
VIDEO SIGNAL
AUDIO SIGNAL
39,40
11,12