Audio Block Diagram - Panasonic DVD-S42PC Service Manual

14.5. AUDIO BLOCK DIAGRAM

IC8001
IC8420
(DV3.2) (AUDIO DAC)
SRCK IN
SRCK 7
168
LRCK IN
LRCK 8 SERIAL
167
INPUT
I/F
DMIXOUT
ADOUT3 169 6
STBDAC
P9 76 2
SBT3 FUNCTION
P10 78 3
CONTROL
I/F
SBQ3
P11 77 4
ADAC-CLK
SYSTEM CLOCK
DACCK 166 5
MANAGER
IECOUT 173
OUTPUT AMP AND
DAC 15
LOW-PASS FILTER
OUTPUT AMP AND
DAC 14
LOW-PASS FILTER
4X / 8X
OVERSAMPLING ENHANCED
DIGITAL FILTER MULTI-LEVEL
WITH DELTA-SIGMA
FUNCTION MODULATOR
CONTROLLER
SYSTEM
CLOCK
ZERO DETECT
IC4301
VOUTL
2 AMP 1
IC4301
VOUTR
6 AMP 7
IC8420-13,14 PIN
1.2Vp-p(0.5msec./div.)
Q4422
MUTE
Q4423
MUTE
43
DVD-S42PC / DVD-S422PC
AUDIO MAIN SIGNAL
JK4401
MIX L OUT
MIX R OUT
QR4302,QR4306
MUTE
Q4302
FROM
SWITCHING
IC6001 - 62 PIN
JK4401
Q4751
DIGITAL
AMP AUDIO OUT
(COAXIAL)
DVD-S42PC/S422PC
AUDIO BLOCK DIAGRAM