Philips 32PFL4664/F7 - Page 42

9-2
2. Video/Audio Block Diagram
DIGITAL MAIN CBA UNIT
IC3801 (AUDIO AMP)
TO SYSTEM CONTROL BLOCK DIAGRAM
SP3802 SPEAKER R-CH
CN3801 CN3802
SP3801 SPEAKER L-CH
I2S-OUT-MCK
I2S-OUT-WS
2SP(R)- 1SP(R)+ 2SP(L)- 1SP(L)+
DIF-OUT1
DIF-OUT2
IF-AGC
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
IC9001
10
22
11
IF-AGC
4
VIDEO SIGNAL
AUDIO SIGNAL
21
2
48
CONTROL LOGIC
DRIVE/ POWER AMP
45 43
26
OUTPUT I/F
DSP /FILTER
PGA ADC
RF AGC
DIGITAL AUDIO-OUT (OPTICAL)
SPDIF
CVBS- VIDEO-IN CVBS- AUDIO(L)-IN CVBS- AUDIO(R)-IN
JK3701
CVBS-VIDEO-IN
CVBS-AUDIO(R)-IN
CVBS-AUDIO(L)-IN
JK3704
JK9301 ANT-IN
(DIGITAL/ANALOG TV TUNER)
OVER CURRENT PROTECTION
DIGITAL PWM MODULATOR
DRIVE/ POWER AMP
DIGITAL AUDIO PROCESSOR
SERIAL AUDIO PORT
I2S-OUT-BCK
I2S-OUT-SD
27 28
AMP-I2C-SDA
29
AMP-I2C-SCL
30
AUDIO-RESET
32
AMP-MUTE
25
PL19.00BLVA