Philips EXP320 Service Manual page 11

BLOCK DIAGRAM OF IC SAA7824HL
D1
DC OFFSET COMPENSATION
I
REF
V
REF_OUT
SCL
SDA
RAB
SILD
TEST1
TEST2
TEST3
TEST4
OSCIN
OSCOUT
CLK16
CLK4_12
CDT_RDY
CDT_DATA
INTERFACE
CDT_CLK
SFSY
SUB
RCK
SBSY
STATUS
RESET
D2 D3 D4 R1 R2
VOLTAGE BUFFER
HF & LF CAPTURE
BIAS
GENERATOR
CONTROL
PART HFPASS FILTER
DATA SLICER &
THRESHOLD CON-
MICRO
TROL
INTERFACE
DIGITAL
PLL
TEST
EFM
DEMODULATOR
TIMING
SRAM
RAM
ADDRESSER
CD-TEXT
INTERFACE
SUBCODE
CONTROL
PROCESSOR
DECODER
MICRO-
CONTROLLER
INTERFACE
3 - 1
MONITOR SENSE
MONITOR
ADC
ANTI ALIAS
D1-D4
DSIC ADC
SUM
CONTROL FUNCTION
AUDIO
PROCESSOR
PEAK
DETECT
VERSATILE PINS
INTERFACE
V1 V2 V3 LKILL
V4 V5
EXTFILTER
LPOWER
LASER
LASER
POWER CON-
TROL LOGIC
OUTPUT
STAGES
MOTOR
CONTROL
ERROR
CORRECTOR
FLAGS
EBU
INTERFACE
SERIAL
DATA
INTERFACE
SERIAL
DATA
(LOOPBACK)
INTERFACE
DEM DAC
HEADPHONE
KILL
BUFFERS
BUF_VPOS
RKILL
BUF_GND
LASER
RA
FO
SL
CSLICE
MOTO1
MOTO2
CFLG
DOBM
EF
SCLK
WCLK
DATA
SCLI
WCLI
SDI
DAC_VPO
DAC_RP
DAC_RN
DAC_LP
DAC_LN
DAC_VREF
DAC_GND
BUF_IN_R
BUF_IN_L
BUF_OUT_R
BUF_OUT_L