Arcam HDA PA720 - Page 43

EN-43
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L282 CT1 Top Level.SchDoc
AMP019 Top Level
Contact Engineer:
L282CT
08/09/2020
INITIALS
Printed:
1 7Sheet of
Notes:
Contact Tel: (01223) 203201Jon Henderson
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
UNBAL 6+
UNBAL 4- UNBAL 5-
UNBAL 5+
UNBAL 3-
UNBAL 1+ UNBAL 4+
UNBAL 1-
UNBAL 3+
UNBAL 2-
UNBAL 2+ UNBAL 7+
UNBAL 6- UNBAL 7-
XLR/RCA*
INPUT CH7-
INPUT CH5-
INPUT CH3+
INPUT CH6-
INPUT CH4+
INPUT CH5+
INPUT CH4-
INPUT CH6+
INPUT CH7+
INPUT CH1+
INPUT CH1-
INPUT CH2+
INPUT CH3-
INPUT CH2-
Balanced Input
L282 CT2 Balanced Input.SchDoc
UNBAL 3+
UNBAL 2-
UNBAL 4+
UNBAL 3-
UNBAL 1+
UNBAL 1-
UNBAL 2+
UNBAL 6+
UNBAL 4-
UNBAL 7-
UNBAL 5-
UNBAL 6-
UNBAL 5+
UNBAL 7+
DANTE 3+
DANTE 2-
DANTE 5+
DANTE 3-
DANTE 7+
DANTE 4+
DANTE 6+
DANTE 2+
DANTE 1-
DANTE 7-
DANTE 5-
DANTE 6-
DANTE 1+
DANTE 4-
RCA/DANTE*
Unbalanced Input
L282 CT3 Unbalanced Input.SchDoc
TX D1
CRS DV
TX EN
REF CLK
RS232 TX
RX D1
TX D0
MDC
RS232 RX
VBUS EN
MDIO
RX D0
NET INT
RX ER
USB_N
USB_P
NET PSU EN
Network
L282 CT4 Net.SchDoc
MDC
REF CLK
VBUS EN
DC OFFSET
CRS DV
RX D1
NET INT
PA SHORT*
TX D1
TX EN
RX D0
MDIO
TX D0
RS232 TX
RS232 RX
IP DET
BIAS CH SEL
SPK MUTE
SS EN
SS BYP
LIFT TEMP T2
RX ER
MCU BIAS1
PA TEMP R
PA TEMP L
MCU BIAS3 MCU BIAS2 MCU BIAS4
DANTE PRES*
DANTE RESET*
DANTE EN
XLR/RCA*
USB_N
USB_P
NET PSU EN
DANTE RX
DANTE TX
LIFT TEMP T1/AC FAIL*
RCA/DANTE*
DANTE/PIC* RS232
Micro
L282 CT5 Micro.SchDoc
TO POWER AMP PCB
1
2
3
PH
CON4
JST
DGND
1
2
3
PH
CON6
JST
DGND
0W063
R3
100K
0W063
R4
100K
NF
NF
PA TEMP L
PA TEMP R
AGND
PA TEMP L
PA TEMP R
LIFT TEMP T1/AC FAIL*
LIFT TEMP T2
DC OFFSET
PA SHORT*
SS EN
+5V STBY
+3V3 STBY
DGND
DGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
52806
CON5
MOLEX
MCU BIAS1 MCU BIAS3 MCU BIAS4 MCU BIAS2
BIAS CH SEL
BIAS C
BIAS L
BIAS R
BIAS SL
BIAS SR
BIAS BL
BIAS BR
Bias Monitor
L282 CT6 Bias Monitor
SPK MUTE
(XLR/RCA Relay) (XLR/RCA Relay)
SS BYP
SS EN
SS BYP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
52806
CON1
MOLEX
1
FIX1
Dia 3.2mm
1
FIX3
Dia 3.2mm
1
FIX5
Dia 3.2mm
Blank PCB L282PB AMP019 PREAMP PCBL282PBPCB1 1
1
FIX6
Dia 3.2mm
0W125
R1
0R0
0W125
R2
0R0
AGND
DGND
NF
NF
IP DET
INPUT CH1+
INPUT CH7+
INPUT CH6+
INPUT CH2+
INPUT CH3+
INPUT CH5+
INPUT CH4+
Input Detect
L282 CT7 Input Detect.SchDoc
DGND
1
2
3
4
5
6
PH
CON3
JST
BIAS SL
BIAS SR
BIAS BL
BIAS BR
BIAS C
BIAS L
BIAS R
SPK MUTE
PA SHORT*
DC OFFSET
LIFT TEMP T2
LIFT TEMP T1/AC FAIL*
BIAS SL
BIAS SR
BIAS BL
BIAS BR
BIAS C
BIAS L
BIAS R
P4
P5
P3
P1
P2
DANTE RESET*
DANTE EN
DGND
AGND
50V
C1
1N0
DANTE/PIC* RS232
DANTE 1+
DANTE 1+
DANTE 1-
DANTE 1-
DANTE 2+
DANTE 2+
DANTE 2-
DANTE 2-
DANTE 3+
DANTE 3+
DANTE 3-
DANTE 3-
DANTE 4+
DANTE 4+
DANTE 4-
DANTE 4-
DANTE 5+
DANTE 5+
DANTE 5-
DANTE 5-
DANTE 6+
DANTE 6+
DANTE 6-
DANTE 6-
DANTE 7+
DANTE 7+
DANTE 7-
DANTE 7-
DANTE 8+
DANTE 8-
DANTE EN
DANTE/PIC* RS232
DANTE TX
DANTE RX
DANTE TX
DANTE RX
DANTE RESET*
DANTE 1+
DANTE 1-
DANTE 2+
DANTE 2-
DANTE 3+
DANTE 3-
DANTE 4+
DANTE 4-
DANTE 5+
DANTE 5-
DANTE 6+
DANTE 6-
DANTE 7+
DANTE 7-
DANTE PRES*
DANTE PRES*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
52808
CON2
MOLEX
FD1 FD2
TOOL1 TOOL2 TOOL3 TOOL4
50V
C2
1N0
0W125
R5
0R0
+3V3 STBY +3V3 MCU
+3V3 MCU
+3V3 MCU
+3V3 MCU
+3V3 MCU
50V
C8
1N0
DGND AGND
NF
50V
C9
1N0
50V
C10
1N0
50V
C11
1N0
NF
NF
NF
P7
P6
P22
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P23
P24
P25
P26
P27
P28
19_E007 JH 12/02/2019 G.0Net name changes
FIX2
1
FIX4
1
19_E027 PK 20/05/19 1.0No changes to this sheet
19_E040 PK 02/12/19 2.0PCB change only
INPUT CH7+
INPUT CH7-
INPUT CH6+
INPUT CH6-
INPUT CH5+
INPUT CH5-
INPUT CH4+
INPUT CH4-
INPUT CH3+
INPUT CH3-
INPUT CH2+
INPUT CH2-
INPUT CH1+
INPUT CH1-
20_E009 PK 25/02/20 2.1Net labels updated to match silkscreen
20_E038 PK 08/09/20 2.2None to this sheet