Sony HCD-M90 - IC Block Diagrams - DAC and MAIN Boards; IC Block Diagrams for DAC and MAIN Boards

86
HCD-M90
– DAC Board –
IC302 µDA1350AH
3
2
1
32
33
VSSD
4VSSD (C)
5L3DATA
6L3CLOCK
7DATAI
8BCKI
9WSI
10L3MODE
11NC
VDDD (C)
RESET
VDDA (PLL)
31 VSSA (PLL)
27 VDDA
26 VSSA
25 VSSA (DAC)
24 VREF
23
12
TC
BCKO
29
30
CLKOUT
28 NC
PREEM1
MUTE
44
RTCB
43
VDDD
42
PREEM0
41
NC
40
NC
37
WSO
36
DATAO
39
TEST2
38
NC
35
SELSTATIC
34
TEST1
13
SELCHAN
14
NC
15
SPDIF0
16
SPDIF1
17
V
DDA (DAC)
18
VOUT L
19
SELCLK
20
SELSPDIF
21
LOCK
22
VOUT R
L3
INTERFACE
IEC 958
DECODER
DATA
OUTPUT
INTERFACE
CLOCK
AND
TIMING
CIRCUIT
DATA
INPUT
INTERFACE
AUDIO FEATURE PROCESSOR
INTERPOLATOR
NOISE SHAPER
DAC DAC
THERMAL
SHUTDOWN
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
STANDBY/
MUTE
BOOST-
STRAP
MOS GAIN &
LEVEL SHIFTING
STAGE
STBY-GND
IN– IN+
IN+ MUTE
NC
BOOSTSTRAP
+VS –VS
STBY
MUTE
NC NC
+PWVS
OUT
–PWVS
14 1512 1310 118 96 753 41 2
+
–
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
– MAIN Board –
IC101, 201 TDA7296
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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