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A
SCHEMATIC DIAGRAMS-9
DIGITAL AUDIO WAVE FORM SECTION
NOTE:
1. WF01 is short for Wave form 01 .
2. See SD-3 (SCHEMATIC DIAGRAM-3) for details.
1
74HCU04AF
Q131
WF02
COAX1
13
10
COAXIAL
R331
OPT1
OPT2
IN
R141
OPT3
IN 1
WF01
2
IN
R145
IN 2
IN
R143
IN 3
WF01
OPT1
3
Duty varies according to audio data
WF04
SAI_LRCK
20.8us
4
WF07
CX_LRCK
20.8us
WF10
AUDIO_FL
5
Analog audio wave form with aliasing noise
B
WF03
48
DIR
SAI_SDOUT
54
R312
SAI_SLCK
61
R320
SAI_LRCK
60
R315
46
WF04
45
WF05
43
MASTER CLOCK = 128Fs or 256Fs
Q301
LR CLOCK (SAI_LRCK, CX_LRCK)
Fs = 48kHz : DVD, Clock width = 20.8us
Fs = 44.1kHz : CD, Clock width = 22.7us
WF02
4.0V
Duty always varies according to audio data
WF05
3.3V
WF08
3.3V
WF10
2.8V
0V
Aliasing noise in no audio data
C
Q201
D707E001RFP250
WF06
1
CX_SDIN1
113
DSP
R254
CX_SDIN2
64
115
R255
CX_SDIN3
63
116
R256
CX_SDIN4
62
117
120
R257
CX_SCLK
2
142
139
R267
CX_LRCK
3
144
141
R269
WF07
WF08
CS42518-CQ
BIT CLOCK (SAI_SLCK, CX_SLCK)
64Fs = 3072kHz : DVD, Clock width = 325ns
64Fs = 2822.4kHz : CD, Clock width = 354ns
COAX1
5.0V
SAI_SLCK
3.3V
325 ns
CX_SCLK
3.3V
325 ns
AUDIO_FL
220mVp-p
TX-SR504/504E/8450
WF09
Q401
R411
DAC_OUT-
DAC_OUT+
R401
Q401
R412
33
32
R402
30
Q402
R413
31
DAC
37
R403
36
29
Q403
R415
28
26
R405
27
23
Q403
R416
22
20
R406
21
34
Q404
R417
35
R407
Q404
R418
R408
Q402
R414
R404
WF03
SA1_SDOUT
3.3V
Duty varies according to audio data
WF06
CX_SDIN1
3.3V
20.8us
WF09
DAC_OUT-
2.8V
0V
Analog audio wave form with aliasing noise
D
FL
WF10
AUDIO_FL
FR
C
SL
SR
SBL
SBR
SW
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