Sony HCD-U1BT Service Manual page 54

HCD-U1BT
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– SMASTER Board –
IC701 PCM1803DBR
DELTA-SIGMA
VINL 1
MODULATOR
VINR 2
VREF1 3
REFERENCE
VREF2 4
DELTA-SIGMA
MODULATOR
VCC 5
POWER
SUPPLY
AGND 6
PDWN 7
BYPAS 8
TEST 9
LRCK 10
TE
L 13942296513
IC705 CXD9788AR
48
XVSS 1
VSUBC 2
VSSR 3
OUTR2
4
VDDR
5
PWM
OUTR1 6
7
VSSR
VSSL 8
9
OUTL2
10
VDDL
OUTL1 11
VSSL 12
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54
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SERIAL
DECIMATION
INTERFACE
FILTER
WITH
MODE/FORMAT
HIGH-PASS
CONTROL
FILTER
CLOCK & TIMING CONTROL
47 46 45 44 43 42 41 40 39
CLOCK
GENERATOR
(SECONDARY)
LINER
∆ Σ
INTERPOLATOR
13 14 15 16 17
x ao
y
i
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8
20 MODE1
19 MODE0
18 FMT1
17 FMT0
16 OSR
15 SCKI
&
14 VDD
13 DGND
12 DOUT
11 BCK
Q Q
3 6 7 1 3
38 37
FILTER &
GAIN
LOW CUT
CONTROL
FILTER
INIT/ SERIAL
MUTE CONTROLLER
18 19 20 21 22 23 24
u163
.
2 9 9 4 2 8
IC703 MC74VHC74DTR2
RD1 1
D1 2
CP1 3
4
SD1
Q1
5
Q1 6
GND
7
1 5 0 5 8 2 9 9 4
CLOCK
GENERATOR 36 XFSIIN
(PRIMARY)
35 DVDD
34 TEST
33 BFVSS
32 BFVDD
31
SAMPLING
RATE S g P
30
CONVERTER
29
28 MCKSEL
27 INIT
26 SFLAG
25 OVFFLAGL
m
co
9 9
14 Vcc
13 RD2
D2
12
CP2
11
SD2
10
Q2
9
Q2
8
2 8 9 9
DATA
BCK
LRCK