Sony PMC-MD55 Service Manual page 174

– DG Board –
IC603 PCM3003E/T2
VCC1
1
2
VCC1
VINR
3
4
VREF1
REFERENCE
VREF2
5
VINL 6
RESET &
PDAD 7
POWER
PDDA 8
DOWN
9 CLOCK
SYSCK
LRCIN 10
BCKIN 11
DOUT 12
IC602 BA6287F
OUT1 1
VM 2
DRIVER
TSD
VCC 3
CONTROL LOGIC
POWER
SAVE
FIN 4
IC606 TC7WH74FU (TR12R)
8 7 6 5
S R Q
C D Q
1 2 3 4
A/D CONVERTER
BLOCK
ANALOG ANALOG
FRONT-END FRONT-END
CIRCUIT CIRCUIT
∆Σ ∆Σ
MODULATOR MODULATOR
DECIMATION
DECIMATION
& LOW CUT
& LOW CUT
FILTER
FILTER
SERIAL INTERFACE
8 GND
7 OUT2
DRIVER
6 VREF
5 RIN
D/A CONVERTER
BLOCK
ANALOG ANALOG
LOW-PASS LOW-PASS
FILTER FILTER
MULTI-LEVEL
MULTI-LEVEL
∆Σ ∆Σ
MODULATOR
MODULATOR
INTERPOLATION INTERPOLATION
FILTER
FILTER
X8
X8
OVERSAMPLING
OVERSAMPLING
MODE
CONTROL
INTERFACE
– MAIN Board –
IC406 BU1924F-E2 (AEP, UK)
16 15
PLL 57kHz
RDS/ARI
PLL
1187.5Hz
COMPARATOR
8th SWITCHED
BIPHASE CAPACITOR
DECODER
FILTER
DEFFERENTIAL ANTI-ALIASING
DECODER FILTER
1 2 3
– 104 –
24 VCC2
23 AGND1
22 AGND2
21 VCOM
20 VOUTR
VOUTL
19
18 DEM0
17 DEM1
16 20BIT
15 DIN
14 VDD
13 DGND
14 13 12 11 10
CLOCK
4 5 6 7 8
9
TEST