Philips HDRW720 Service Manual page 178

EN 178 9. HDRW720/0x, DVDR725H/0x
IC7404: AD1582 Analog Board, Digital/Analogue Converter
16-/18-/20-/24-BIT
DIGITAL
DATA INPUT
INTERFACE
2
SERIAL
MODE
FUNCTIONAL BLOCK DIAGRAM
AD1852
8
ATTEN/
INTERPOLATOR
MUTE
SERIAL
DATA
ATTEN/ 8
MUTE
INTERPOLATION
RESET
MUTE
Circuit-, IC descriptions and list of abbreviations
CONTROL DATA
INPUT
VOLUME
MUTE
3
SERIAL CONTROL
INTERFACE
F
MULTIBIT SIGMA-
S
DELTA MODULATOR
MULTIBIT SIGMA-
F
S
DELTA MODULATOR
DE-EMPHASIS ANALOG
SUPPLY
DIGITAL CLOCK
SUPPLY IN
2
VOLTAGE AUTO-CLOCK
REFERENCE DIVIDE CIRCUIT
DAC
DAC
2 2
ZERO
FLAG
ANALOG
OUTPUTS