Advertisement
CLOCK GENERATOR
REG300
+5VD
LM1086CS-3.3
+3V3PLL
+3V3
C303
C302
C342
C306
100N
100N
100UF
100N
TO-263
10V
16V
16V
16V
YXF
0603
0603
0603
DGND
DGND
C300
27P
100V
X300
0805
C301
27MHz
7
XTI
MO1
HC49
8
IC300
XTO
MO2
SM8707E
DGND
27P
VSOP-16
AO1
P302
100V
14
FSEL0
FSEL
AO2
0805
SO1
SO2
16
NC
DGND
I2S BUFFER
IC302A
1
OE
18
Y0
P334
DGND
2
16
ALRCLK
A0
Y1
4
14
A1
Y2
6
12
A2
Y3
8
A3
DGND
74LVC244APW
TSSOP-20
IC302B
19
OE
3
Y0
P335
DGND
17
5
ABCLK
A0
Y1
15
7
A1
Y2
13
9
A2
Y3
11
A3
74LVC244APW
TSSOP-20
P366
IC309A
1
OE
18
Y0
P361
2
16
ADAT0
A0
Y1
4
14
P364
ADAT1
A1
Y2
6
12
A2
Y3
8
A3
DGND
74LVC244APW
TSSOP-20
IC309B
19
OE
3
Y0
17
5
P365
ADAT2
A0
Y1
15
7
A1
Y2
13
9
A2
Y3
11
A3
74LVC244APW
DGND
TSSOP-20
IC306A
2
5
D
Q
3
CLK
6
Q
74LVC74AD
S0-14
DGND
2
3
5
6
IC307A
IC307B
74LVC125AD
74LVC125AD
+3V3D
SO-14
SO-14
C325
DGND
100N
16V
0603
DGND
+3V3D
IC307E
14
VCC
C305
C307
C317
100UF
100UF
100N
10V
10V
16V
7
GND
YXF
YXF
0603
74LVC125AD
SO-14
DGND
CLOCK DIVIDER
C311
C308
100N
100N
16V
16V
0603
0603
+3V3D
27MHz
IC306B
R300
12
9
P343
P349
CLK27M_VADDIS
D
Q
75R
0603
11
P345
CLK
P348
R323
3
8
Q
4
P341
100R 0603
74LVC74AD
R301
9
P340
S0-14
10
100R
0603
P342
13
R306
15
P344
100R
1
P346
0603
FSEL1
4
P347
2
ENABLE_AV
Ensures audio clock can be trurned off in standby mode
IC303A
SN74AHC1G00DBVR
DBV-5
P311
RP301A
P314
1
8
ALRCLK_DAC0
100R 1206
RP301B
P315
2
7
ALRCLK_DAC1
P312
100R 1206
P313
3 RP301C
P316
6
ALRCLK_DAC2
100R 1206
P305
RP300A
P308
1
8
ABCLK_DAC0
100R 1206
RP300B
P306
P309
2
7
ABCLK_DAC1
100R 1206
3 RP300C
P307
P310
6
ABCLK_DAC2
100R
1206
R313
P303
P317
ABCLK_HDMI
56R
0W125 0805
RP302A
1
8
P372
ADAT_DAC0
100R
1206
SPDIF
3 RP302C
P371
6
P374
ADAT_DAC1
100R
1206
R312
P368
P376
ADAT_DAC2
100R
0603
C326
C327
C328
C329
C330
C331
C332
C333
C334
100N
100N
100N
100N
100N
100N
100N
100N
100N
16V
16V
16V
16V
16V
16V
16V
16V
16V
0603
0603
0603
0603
0603
0603
0603
0603
0603
IC301C
IC302C
IC309C
IC304C
20
20
20
14
VCC
VCC
VCC
VCC
C309
C310
C318
100N
100N
100N
16V
16V
16V
10
10
10
7
GND
GND
GND
GND
0603
0603
0603
74LVC244APW
74LVC244APW
74LVC244APW
74LVC74AD
TSSOP-20
TSSOP-20
TSSOP-20
S0-14
AUDIO CLOCK BUFFER
IC301A
1
OE
18
Y0
DGND
2
16
A0
Y1
4
14
A1
Y2
P360
6
12
A2
Y3
8
P356
P350
MUTE*
A3
74LVC244APW
TSSOP-20
P357
R308
R309
9
8
P358
IC301B
100R
0603
100R
IC307C
19
0603
OE
74LVC125AD
3
Y0
SO-14
17
5
A0
Y1
15
7
A1
Y2
13
9
A2
Y3
11
A3
74LVC244APW
R322
DGND
TSSOP-20
P359
12
11
Spare clock buffer used to buffer mute control
100R
0603
IC307D
SO-14
74LVC125AD
P351
2
D
3
CLK
+3V3D
SPDIF COAX OUTPUT
IC308B
R315
P322
5
6
750R 0603
74LVC125AD
SO-14
DGND
IC308A
IC308C
R314
R316
P324
P328
P330
P331
2
3
9
8
100R 0603
750R 0603
74LVC125AD
74LVC125AD
SO-14
SO-14
R321
DGND
DGND
100R
0603
IC308D
R317
P332
P333
12
11
SPDIF_OP
750R 0603
74LVC125AD
SO-14
DGND
OPTICAL OUT
+5VD
TX300
JFJ1001-010010
C304
C314
1
I/P
100UF
100N
10V
50V
YXF
0805
DGND
C335
C336
C337
C338
C339
C340
C341
100N
100N
100N
100N
100N
100N
100N
16V
16V
16V
16V
16V
16V
16V
0603
0603
0603
0603
0603
0603
0603
IC305B
IC308E
IC306C
16
5
14
14
VCC
VCC
VCC
VCC
C312
C313
C319
C320
100N
100N
100N
100N
16V
16V
16V
16V
8
3
7
7
GND
GND
GND
GND
0603
0603
0603
0603
74HC151D
IC303B
74LVC125AD
74LVC74AD
SO-16
SN74AHC1G00DBVR
SO-14
S0-14
DBV-5
R302
P325
MCLK_DAC0
100R
0603
R303
P326
MCLK_DAC1
100R
0603
R304
P318
P327
MCLK_DAC2
P319
100R
0603
P320
R305
P323
MUTE_BUF*
1K8
0603
Base resistor for TR401 here to reduce noise on MUTE_BUF*
R310
P301
MCLK_VADDIS
100R
0603
P300
P321
R307
P329
MCLK_HDMI
100R
0603
PSU CLOCK DIVIDER
P352
+3V3D
+3V3D
P353
IC305A
4
I0
IC304A
IC304B
3
I1
5
12
9
2
P354
Q
D
Q
I2
1
I3
11
15
5
CLK
I4
Y
14
I5
6
8
13
6
Q
Q
I6
Y
12
I7
74LVC74AD
+3V3D
74LVC74AD
S0-14
S0-14
PSUFS0
11
S0
PSUFS1
10
S1
9
S2
7
P362
PSUFS0
E
P363
PSUFS1
74HC151D
DGND
SO-16
+3V3D
D300
BAT54S
SOT-23
C315
DGND
100N 50V
0805
C343
P337
1 TX301
100N
50V
R318
R319
C321
0805
NF
120R
1K0
47P
0W125
0W125
100V
4
0805
0805
0805
NF
DGND
PCB Mount SMT
DGND
Schott / 37211
NF
Transformer is option for digital output
C324
ITEM300
1
E828AP
Pad Damping 7.5x6x3MM Rubber
100N
DRAWING TITLE
16V
DV79 MAIN CLOCKS & SPDIF
0603
Filename:
L967C3.Sch
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9QR
Contact Engineer:
Peter Gaggs
Contact Tel:
(01223) 203270
Audio master clock frequency for different sample
rates
Fs
Master clock frequency
FSEL1..0
44.1kHz
11.2896MHz
(256 x Fs)
00
48kHz
12.288MHz
(256 x Fs)
01
88.2kHz
22.5792MHz
(256 x Fs)
10
96kHz
24.576MHz
(256 x Fs)
11
176.4kHz
22.5792MHz
(128 x Fs)
10
192kHz
24.576MHz
(128 x Fs)
11
PSUCLK SHOULD BE 44.1kHz OR 48kHz
R311
Fs
PSUFS1
PSUFS0
PSUCLK
P355
PSUCLK
44.1kHz
0
0
44.1kHz
100R
0603
48kHz
0
0
48kHz
88.2kHz
0
1
44.1kHz
96kHz
0
1
48kHz
176.4kHz 1
0
44.1kHz
192kHz
1
0
48kHz
others
1
1
OFF
SKT300
KUNMING
GOLD
P304
5
SPDIF_OUT
L301
1000R @ 100MHz
8
SPDIF_GND
DLW31S
P336
C322
C323
C316
R320
100P
10N
NF
100N
0R0
100V
50V
50V
0W125
0805
0603
0805
0805
NF
EMC_GND
DGND
Fit on one side of X300 (see assembly drawing)
03_E020
PG
19-02-04
Production release
ECO No.
INITIALS
DATE
DESCRIPTION OF CHANGE
L967C3
Printed:
19-Feb-2004
Sheet
3
of
11
A2
DRAWING NO.
1.0
ISSUE
Advertisement
