HT-R940
SCHEMATIC DIAGRAMS-9
DIGITAL AUDIO WAVE FORM SECTION
Q401
Q401
Q402
Q403
Q403
Q404
Q404
Q402
IN
Q131
74HCU04AF
13
10
IN
IN
48
46
45
43
Q201
DSP
DIR
Q301
DAC
Fs = 48kHz : DVD, Clock width = 20.8us
Fs = 44.1kHz : CD, Clock width = 22.7us
64Fs = 3072kHz : DVD, Clock width = 325ns
64Fs = 2822.4kHz : CD, Clock width = 354ns
LR CLOCK (SAI_LRCK, CX_LRCK)
BIT CLOCK (SAI_SLCK, CX_SLCK)
MASTER CLOCK = 128Fs or 256Fs
CS42518-CQ
IN 1
IN 2
IN 3
COAXIAL
COAX1
OPT1
OPT2
OPT3
SAI_SDOUT
SAI_SLCK
SAI_LRCK
CX_SCLK
CX_LRCK
120
139
141
142
144
CX_SDIN1
113
1
2
3
33
32
30
31
37
29
36
26
28
27
23
20
22
34
21
35
FL
FR
C
SL
SR
SBL
SBR
SW
54
61
60
D707E001RFP250
CX_SDIN2
115
64
CX_SDIN3
116
63
CX_SDIN4
117
62
4.0V
Duty varies according to audio data
3.3V
3.3V
325 ns
5.0V
Duty always varies according to audio data
3.3V
Duty varies according to audio data
DAC_OUT-
AUDIO_FL
3.3V
3.3V
20.8us
3.3V
325 ns
20.8us
20.8us
220mVp-p
Aliasing noise in no audio data
Analog audio wave form with aliasing noise
0V
2.8V
Analog audio wave form with aliasing noise
NOTE:
1. WF01 is short for Wave form 01 .
2. See SD-3 (SCHEMATIC DIAGRAM-3) for details.
R141
R145
R143
R331
R312
R320
R315
R254
R255
R256
R257
R267
R269
R411
R401
R412
R402
R413
R403
R415
R405
R416
R406
R417
R407
R418
R408
R414
R404
0V
2.8V
OPT1
WF01
COAX1
WF02
SA1_SDOUT
WF03
SAI_LRCK
WF04
SAI_SLCK
WF05
CX_SDIN1
WF06
CX_LRCK
WF07
CX_SCLK
WF08
DAC_OUT-
WF09
AUDIO_FL
WF10
AUDIO_FL
WF10
WF10
WF02
WF03
WF01
WF05
WF04
WF08
WF07
WF06
WF09
A
1
2
3
4
5
B
C
D
