EN-31
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L301 CT2 PSU.SchDoc
SYS009 - DAC PSU
Contact Engineer:
L301CT
21/08/2020
INITIALS
Printed:
2 2Sheet of
Notes:
Contact Tel: (01223) 203207Peter Kuell
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A3
ARCAM
PSU EN
M200
FDN340P
TR201
MMUN2211LT1
DAC_GND
DAC_GND
0W063
R212
10K
6.3V
C222
10UF
COMP
1
EN
4
FB
9
GND
2
IN
5
OUT
8
PS_GND
7
SW
6
VIN
3
VREF
10
EPAD
11
IC201
TPS63700DRCR
0W063
R210
10R
DEC_GND
DEC_GND
DEC_GND
50V
C223
4N7
DEC_GND
DEC_GND
50V
C216
220N
DEC_GND
50V
C218
10P
DEC_GND
-5VA
16V
C219
100UF
D200
SS24T3G
50V
C220
220N
0W063
R213
620K
0W063
R211
150K
L206
4u7H
L204
4u7H
DAC VCC
500mA
L203
600R@100MHz
16V
C215
10N
16V
C221
100UF
6.3V
C224
4U7F
6.3V
C225
4U7F
6.3V
C226
4U7F
6.3V
C227
4U7F
6.3V
C214
10UF
16V
C212
100N
16V
C217
100N
16V
C228
100N
0W125
R214
100K
1
2
3
4
VH
CON200
JST
+3V3 DAC
GND
2
OUT
5
EN
3
IN
1
NR
4
REG200
TPS79333DBVR
DAC VCC
DAC_GND
DAC_GND
DAC_GND
DAC_GND
GND
2
OUT
5
EN
3
IN
1
NR
4
REG201
TPS79333DBVR
AVCCL
VCCA
AVCCR
0W063
R217
47K
DAC VCC
DAC VCC
DAC_GND
DAC_GND DAC_GND
DAC_GND
DAC_GND
0W25
R216
4R7
0W25
R215
4R7
2
3
1
84
IC202A
LME49721MA
6
5
7
IC202B
LME49721MA
16V
C235
100N
16V
C240
100N
16V
C230
10N
50V
C231
1N0
16V
C233
10N
50V
C234
1N0
50V
C241
1N0
NF
500mA
L207
600R@100MHz
50V
C229
1UF
50V
C232
1UF
50V
C236
1UF
50V
C237
1UF
50V
C238
1UF
50V
C239
1UF
PSU EN
FROM PSU PCB
CHARGE PUMP
DAC ANALOGUE PSU
DAC_GND
DAC_GND
DAC_GND
0W125
R202
47R
DAC_GND
0W063
R207
1K0
2
3
1
84
IC200A
TL072CD
DAC_GND
0W063
R201
1K0
0W063
R208
1K0
0W125
R200
47R
6
5
7
IC200B
TL072CD
50V
C210
220P
16V
C200
100N
16V
C201
100N
50V
C211
1UF
0W125
R206
100K
0W125
R203
100K
0W125
R205
100K
INPUT DETECT
-5VA
INPUT PRES
TR200
MMUN2211LT1
DAC_GND
IP DET*
IP DET*
DAC OP
DAC OP
DAC VCC
DAC VCC
+5V DAC
DAC_GND
16V
C213
100UF
DAC_GND
+5VA
1
3
2
4
L200
1mH
16V
C206
10N
6.3V
C207
10UF
16V
C209
100N
+5V DAC
DAC_GNDGND
+5V STBY
16V
C204
10N
6.3V
C205
10UF
16V
C208
100N
DEC_GND
+5VA
2A
L202
220R@100MHz
2A
L205
220R@100MHz
2A
L201
220R@100MHz
DAC_GND
DAC_GND
1
FIX200
Dia 3.2mm
FIX203
Dia 4.0mm
DAC_GND
16V
C202
470UF
16V
C203
470UF
TOOL1 TOOL2 TOOL3 TOOL4
FD1 FD2
FIX201
Dia 4.0mm
FIX202
1
0W25
R218
4R7
DAC_GND
0W25
R204
4R7
19_E022 PK 19/07/19 Initial release C.0
16V
C242
100UF
16V
C243
100UF
19_E030 PK 17/09/19 None to this sheet D.0
20_E010 PK 26/02/20 None to this sheet E.0
VDD
5
RST
1
GND
2
IN
4
MR
3
IC203
MIC2774N-29YM5
+5V STBY
16V
C244
10N
0W063
R222
47K
0W063
R219
910K
6.3V
C245
10UF
0W063
R220
10K
RESET*
RESET*
0W063
R221
62K
+3V3 DAC
+3V3 DAC
+5V STBY
DAC_GND
DAC_GND
DAC_GND
DAC_GND
20_E026 PK 31/03/20 Add reset generator for relay mute, add diode to ip det 1.0
D201
BAS21LT1
NF
NF
0W063
R209
0R0
XLR_GND
0W063
R223
0R0
NF
NF
NF
NF
20_E035 PK 20/08/20 None to this sheet 2.0
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