
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 Connectors_3.0.SchDoc
AMP002 Connectors
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
1 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
AV REC OUT L
AV REC OUT R
PVR REC OUT L
PVR REC OUT R
AV INPUT L
AV INPUT R
SAT INPUT L
SAT INPUT R
DVD INPUT L
DVD INPUT R
CD INPUT L
CD INPUT R
w
r
C/F1a
C2b 
F3c
B/E1a
B2b 
E3c
A/D1a
A2b 
D3c
A B C
D
E F
w
w
rr
GOLD
SKT100 
JYE TAI
w
r
C/F1a
C2b 
F3c
B/E1a
B2b 
E3c
A/D1a
A2b 
D3c
A B C
D
E F
w
w
rr
GOLD
SKT102 
JYE TAI
2b
1a
3c
GOLD
SKT103 
JYE TAI
0VPRE
L
N
M1907
SKT104
Emuden
0V_LS_L0V_LS_R
OUTPUT R
HP GND
275V 
PP X2
C100 
220N
WDG 1 HI
WDG 1 LO
WDG 2 HI
WDG 2 LO
HP OUT L
HP OUT R
TR100 
FMMT497
0VD
0W125
R100
1K0
PHONO IN L
PHONO IN R
10A
L100 
1U0
10A
L101 
1U0
TUNER INPUT L
TUNER INPUT R
+HTL
WINDING 1 HI
FUSE RETURN
FUSE FEED
w
r
C/F1a
C2b 
F3c
B/E1a
B2b 
E3c
A/D1a
A2b 
D3c
A B C
D
E F
w
w
rr
GOLD
SKT101 
JYE TAI
PVR INPUT L
PVR INPUT R
WINDING 2 HI
WINDING 1 LO
WINDING 2 LO
FHLDR100
20mm HLDR
L PRE TF
1
FIX100 
Dia 3.2mm
100V 
0805
C101 
10N
1
FIX101 
Dia 3.2mm
100V 
0805
C102 
10N
1
FIX102 
Dia 3.2mm
100V 
0805
C103 
10N
1
FIX103 
Dia 3.2mm
1
FIX104 
Dia 3.2mm
D100
BAV99
1
2
3
4
5
6
20.101M
CON100
IMO
OUTPUT L
SW100A
SS-160-3-A
SW100B
SS-160-3-A
OUTPUT MUTE
SK100 
G P PRECISION
OPL
OPR
4mm GAP BETWEEN L AND N FOR CLASS 2
0W5
R101 
10R
0W5
R102 
10R
0W5
R109 
10R
0W5
R110 
10R
0VEMC 0VEMC 0VEMC
0W25
R121 
68R
0W25
R120 
68R
0W5
R117 
680R
0W5
R118 
680R
0W5
R119 
680R
0W25
R126 
68R
0W25
R125 
68R
0W5
R122 
680R
0W5
R123 
680R
0W5
R124 
680R
0W5
R106 
3K3
0W25
R103 
270R
0W125
R108 
100R
0W5
R107 
3K3
0W25
R104 
270R
0W125
R111 
100R
63V
C108
22UF
0W25
R105 
3R3
OPL 
OPR
0VPO
P100 
P101
P102 
P104
P105 
P106
P107 
P109
P112 
P113
P114 
P116
P120 
P121
P123 
P124
P125
P127 
P129
P133
P139
P131
P141
P132
P134
P135
P138
P140
P136
P103
P108
P111
P110
P117
P115
P122
P118
P119
P126 
P128
P130
P137
P156 P157
P158
P159 P160 P161
FD100 FD101
TOOL100 TOOL101
TOOL102 TOOL103
0VD
1 
2 
3 
4 
5 
6 
7 
8
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22
52045
CON101
MOLEX
DC OFFSET
AC PRESENT
PREAMP CLK
PREAMP DATA
TEMP SENSE
0VD
FRONT INPUT L
FRONT INPUT R
HP OUT L
HP OUT R
FIL1 
FIL2
OUTPUT MUTE
PWR AMP MUTE
-VFD
+5VD
PRE AMP MUTE
HP GND0VPRE
P149
P144
P145
P142
P143
P146 
P147 
P148
P150 
P151 
P152
P153 
P154 
P155
FTR-F1CA048V
RLY100A
Takamisawa
FTR-F1CA048V
RLY100B
Takamisawa
FTR-F1CA048V
RLY100C
Takamisawa
1
FIX105 
Dia 3.7mm
FOR NYLON 
PILLAR 3.5mm
P162
P163
P164
P165
P166
P167
P168
P169
P170
P171
P172
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
PCB100
L155PB
50V
C109 
100UF
50V
C110 
100UF
08_E083 MSN 22/04/08 Added FS100, FS101 1.1
08_E099 MSN 09/05/2008 Changed FHLDR101 to wire link, FS100 to 2A; Added tape and ferrite to relay 1.2
QTY DESCRIPTIONPART No. NOTESITEM
VINYL ELECTRICAL TAPE BLACK 19MMF276ITEM100 1
Apply 1 x 23mm piece of electrical tape to side of relay, facing C420, to secure transparent cover to plastic base.
Apply ferrite disc to side of relay on top of electrical tape, centred on coil.
Apply one 23mm piece to side of relay, facing C420, to secure cover to base.
Ferrite Disk - This part is RoHS compliant.F243ITEM101 1 Apply ferrite disc to side of relay on top of electrical tape, centred on coil.
FS100 T1.6A
08_E202 MSN 26/11/2008 Changed FS100 to Littelfuse 218P T1.6A. Updated J100 & SW101 silkscreen 3.0
1A
1
1B
2A
2
2B
115V 230V
SW101 
18-000-0022
Link J100 was fuseholder FHLDR101 - keep fuseholder footprint
Vertical switch 
on horizontal 
switch footprint
Fit link to underside of board in place of fuseholder
Discharge resistor to be 
added by ECO - not present 
on schematic or PCB but 
add as hand mod. See ECO 
1327 08_E116.
20mm
J100
LINK
N0OPL 
N0OPL 
N0OPR 
N0OPR 
P0SKT1000C/F1a 
P0SKT1000C/F1a 
P0SKT1000C/F1a 
P0SKT1000C/F1a 
P0P1620TP 
P0P1620TP 
P0P1620TP 
P0P1620TP 
P0P1630TP 
P0P1630TP 
P0P1630TP 
P0P1630TP 
P0P1640TP 
P0P1640TP 
P0P1640TP 
P0P1640TP 
P0P1000TP 
P0P1000TP 
P0P1000TP 
P0P1000TP 
P0P1010TP 
P0P1010TP 
P0P1010TP 
P0P1010TP 
P0P1020TP  P0P1030TP 
P0P1020TP  P0P1030TP 
P0P1020TP 
P0P1020TP 
P0P1040TP 
P0P1040TP 
P0P1040TP 
P0P1040TP 
P0P1050TP 
P0P1050TP 
P0P1050TP 
P0P1050TP 
P0P1060TP 
P0P1060TP 
P0P1060TP 
P0P1060TP 
P0SKT1000C2b 
P0SKT1000C2b 
P0SKT1000C2b 
P0SKT1000C2b 
P0SKT1000F3c 
P0SKT1000F3c 
P0SKT1000F3c 
P0SKT1000F3c 
P0SKT1000B/E1a 
P0SKT1000B/E1a 
P0SKT1000B/E1a 
P0SKT1000B/E1a 
P0SKT1000B2b 
P0SKT1000B2b 
P0SKT1000B2b 
P0SKT1000B2b 
P0SKT1000E3c 
P0SKT1000E3c 
P0SKT1000E3c 
P0SKT1000E3c 
P0SKT1000A/D1a 
P0SKT1000A/D1a 
P0SKT1000A/D1a 
P0SKT1000A/D1a 
P0SKT1000A2b 
P0SKT1000A2b 
P0SKT1000A2b 
P0SKT1000A2b 
P0SKT1000D3c 
P0SKT1000D3c 
P0SKT1000D3c 
P0SKT1000D3c 
P0R10301 P0R10302 
P0R10301 
P0R10301 P0R10302 
P0R10301 
P0P1560TP  P0P1570TP 
P0P1560TP 
P0P1560TP  P0P1570TP 
P0P1560TP 
P0R10302 P0R10602 
P0R10302 P0R10602 
P0P1570TP 
P0P1570TP 
P0R10601  P0R10602 
P0R10601 P0R10801 
P0R10601  P0R10602 
P0R10601 P0R10801 
P0R10801 P0R10802 
P0R10801 P0R10802 
P0R10802 
P0R10802 
P0SKT1010C/F1a 
P0SKT1010C/F1a 
P0SKT1010C/F1a 
P0SKT1010C/F1a 
P0P1650TP 
P0P1650TP 
P0P1650TP 
P0P1650TP 
P0P1660TP 
P0P1660TP 
P0P1660TP 
P0P1660TP 
P0P1670TP 
P0P1670TP 
P0P1670TP 
P0P1670TP 
P0P1680TP 
P0P1680TP 
P0P1680TP 
P0P1680TP 
P0P1690TP 
P0P1690TP 
P0P1690TP 
P0P1690TP 
P0P1700TP 
P0P1700TP 
P0P1700TP 
P0P1700TP 
P0P1070TP  P0P1080TP 
P0P1070TP  P0P1080TP 
P0P1070TP 
P0P1070TP 
P0P1090TP 
P0P1090TP 
P0P1090TP 
P0P1090TP 
P0P1120TP 
P0P1120TP 
P0P1120TP 
P0P1120TP 
P0P1130TP 
P0P1130TP 
P0P1130TP 
P0P1130TP 
P0P1140TP  P0P1150TP 
P0P1140TP  P0P1150TP 
P0P1140TP 
P0P1140TP 
P0P1160TP 
P0P1160TP 
P0P1160TP 
P0P1160TP 
P0P1200TP 
P0P1200TP 
P0P1200TP 
P0P1200TP 
P0P1210TP  P0P1220TP 
P0P1210TP  P0P1220TP 
P0P1210TP 
P0P1210TP 
P0P1230TP 
P0P1230TP 
P0P1230TP 
P0P1230TP 
P0P1240TP 
P0P1240TP 
P0P1240TP 
P0P1240TP 
P0P1250TP 
P0P1250TP 
P0P1250TP 
P0P1250TP 
P0P1580TP 
P0P1580TP 
P0P1580TP 
P0P1580TP 
P0SKT1010C2b 
P0SKT1010C2b 
P0SKT1010C2b 
P0SKT1010C2b 
P0SKT1010F3c 
P0SKT1010F3c 
P0SKT1010F3c 
P0SKT1010F3c 
P0SKT1010B/E1a 
P0SKT1010B/E1a 
P0SKT1010B/E1a 
P0SKT1010B/E1a 
P0SKT1010B2b 
P0SKT1010B2b 
P0SKT1010B2b 
P0SKT1010B2b 
P0SKT1010E3c 
P0SKT1010E3c 
P0SKT1010E3c 
P0SKT1010E3c 
P0SKT1010A/D1a 
P0SKT1010A/D1a 
P0SKT1010A/D1a 
P0SKT1010A/D1a 
P0SKT1010A2b 
P0SKT1010A2b 
P0SKT1010A2b 
P0SKT1010A2b 
P0SKT1010D3c 
P0SKT1010D3c 
P0SKT1010D3c 
P0SKT1010D3c 
P0SKT1020C/F1a 
P0SKT1020C/F1a 
P0SKT1020C/F1a 
P0SKT1020C/F1a 
P0SKT1020C2b 
P0SKT1020C2b 
P0SKT1020C2b 
P0SKT1020C2b 
P0SKT1020F3c 
P0SKT1020F3c 
P0SKT1020F3c 
P0SKT1020F3c 
P0SKT1020B/E1a 
P0SKT1020B/E1a 
P0SKT1020B/E1a 
P0SKT1020B/E1a 
P0SKT1020B2b 
P0SKT1020B2b 
P0SKT1020B2b 
P0SKT1020B2b 
P0SKT1020E3c 
P0SKT1020E3c 
P0SKT1020E3c 
P0SKT1020E3c 
P0SKT1020A/D1a 
P0SKT1020A/D1a 
P0SKT1020A/D1a 
P0SKT1020A/D1a 
P0SKT1020A2b 
P0SKT1020A2b 
P0SKT1020A2b 
P0SKT1020A2b 
P0SKT1020D3c 
P0SKT1020D3c 
P0SKT1020D3c 
P0SKT1020D3c 
P0R10401 P0R10402 
P0R10401 
P0R10401 P0R10402 
P0R10401 
P0R10402 P0R10702 
P0R10402 P0R10702 
P0R10701  P0R10702 
P0R10701 P0R11101 
P0R10701  P0R10702 
P0R10701 P0R11101 
P0R11101 P0R11102 
P0R11101 P0R11102 
P0R11102 
P0R11102 
P0P1100TP 
P0P1100TP 
P0P1100TP 
P0P1100TP 
P0L10002 
P0L10002 
P0L10001  P0L10002 P0L10101  P0L10102 
P0L10001 
P0L10001  P0L10002 P0L10101  P0L10102 
P0L10001 
P0P1170TP  P0P1180TP 
P0P1170TP 
P0P1170TP  P0P1180TP 
P0P1170TP 
P0L10102 
P0L10102 
P0L10101 
P0L10101 
P0R10101 P0R10102 
P0R10101 
P0R10101 P0R10102 
P0R10101 
P0R10102 
P0R10102 
P0R10901 P0R10902 
P0R10901 
P0R10901 P0R10902 
P0R10901 
P0R10902 
P0R10902 
P0R10201 P0R10202 
P0R10201 
P0R10201 P0R10202 
P0R10201 
P0R10202 
P0R10202 
P0P1150TP 
P0P1150TP 
P0R11001 P0R11002 
P0R11001 
P0R11001 P0R11002 
P0R11001 
P0R11002 
P0R11002 
P0P1220TP 
P0P1220TP 
P0R10501 P0R10502 
P0R10501 
P0R10501 P0R10502 
P0R10501 
P0R10502 
P0R10502 
P0P1030TP 
P0P1030TP 
P0D1000K 
P0D1000K 
P0D1000K 
P0D1000K 
P0RLY100C01  P0RLY100C02 
P0RLY100C01 
P0RLY100C01  P0RLY100C02 
P0RLY100C01 
P0RLY100A0C1 
P0RLY100A0C1 
P0RLY100A0C1 
P0RLY100A0C1 
P0RLY100B0C2 
P0RLY100B0C2 
P0RLY100B0C2 
P0RLY100B0C2 
P0C10801  P0C10802 
P0C10801  P0C10802 
P0C10801 
P0C10801 
P0D1000COM 
P0D1000COM 
P0D1000COM 
P0D1000COM 
P0P1080TP P0RLY100C02 
P0P1080TP P0RLY100C02 
P0RLY100A0NO1 
P0RLY100A0NO1 
P0RLY100A0NO1 
P0RLY100A0NO1 
P0RLY100A0NC1 
P0RLY100A0NC1 
P0RLY100A0NC1 
P0RLY100A0NC1 
P0RLY100B0NO2 
P0RLY100B0NO2 
P0RLY100B0NO2 
P0RLY100B0NO2 
P0RLY100B0NC2 
P0RLY100B0NC2 
P0RLY100B0NC2 
P0RLY100B0NC2 
P0C10802 
P0C10802 
P0D1000A 
P0D1000A 
P0D1000A 
P0D1000A 
P0P1180TP 
P0P1180TP 
P0P1190TP 
P0P1190TP 
P0P1190TP 
P0P1190TP 
P0TR1000C P0TR1000E 
P0TR1000C 
P0TR1000C P0TR1000E 
P0TR1000C 
P0TR1000B 
P0TR1000B 
P0TR1000E 
P0TR1000E 
P0P1110TP 
P0P1110TP  P0R10002 P0TR1000B 
P0P1110TP 
P0P1110TP  P0R10002 P0TR1000B 
N0OPL 
N0OPR 
P0R10001 P0R10002 
P0R10001 P0R10002 
P0R10001 
P0R10001 
P0SK1000BPOS 
P0SK1000BPOS 
P0SK1000BNEG  P0SK1000BPOS 
P0SK1000BNEG 
P0SK1000BNEG  P0SK1000BPOS 
P0SK1000BNEG 
P0SK1000CHAS 
P0SK1000CHAS 
P0SK1000CHAS 
P0SK1000CHAS 
P0SK1000APOS 
P0SK1000APOS 
P0SK1000ANEG  P0SK1000APOS 
P0SK1000ANEG 
P0SK1000ANEG  P0SK1000APOS 
P0SK1000ANEG 
P0SKT10303c 
P0SKT10303c 
P0SKT10303c 
P0SKT10303c 
P0SKT10302b 
P0SKT10302b 
P0SKT10302b 
P0SKT10302b 
P0SKT1040L 
P0SKT1040L 
P0SKT1040L 
P0SKT1040L 
P0SKT1040N 
P0SKT1040N 
P0SKT1040N 
P0SKT1040N 
P0SKT10301a 
P0SKT10301a 
P0SKT10301a 
P0SKT10301a 
P0P1720TP 
P0P1720TP 
P0P1720TP 
P0P1720TP 
P0P1710TP 
P0P1710TP 
P0P1710TP 
P0P1710TP 
P0P1330TP 
P0P1330TP 
P0P1330TP 
P0P1330TP 
P0P1390TP 
P0P1390TP 
P0P1390TP 
P0P1390TP 
P0SW100B0NO2 
P0SW100B0NO2 
P0SW100B0NO2 
P0SW100B0NO2 
P0SW100A0S1 
P0SW100A0S1 
P0SW100A0S1 
P0SW100A0S1 
P0P1270TP  P0P1280TP 
P0P1270TP  P0P1280TP 
P0P1270TP 
P0P1270TP 
P0P1290TP 
P0P1290TP 
P0P1290TP 
P0P1290TP 
P0C10901 P0C10902 
P0C10901 
P0C10901 P0C10902 
P0C10901 
P0C10902 
P0C10902 
N0L PRE TF 
P0SW100B0S2 
P0SW100B0S2 
P0P1310TP  P0P1320TP 
P0P1310TP  P0P1320TP 
P0FHLDR10001  P0FHLDR10002 
P0FHLDR10001 P0P1310TP P0SW100B0S2 
P0FHLDR10001  P0FHLDR10002 
P0FHLDR10001 P0P1310TP P0SW100B0S2 
P0FHLDR10002 P0P1320TP 
P0FHLDR10002 P0P1320TP 
N0L PRE TF 
N0WDG 1 HI 
P0C10001 P0C10002 P0C10003 
P0C10001 
P0C10001 P0C10002 P0C10003 
P0C10001 
P0C10002 P0C10003 
P0C10002 P0C10003 
P0SW100A0NO1 
P0SW100A0NO1 
P0P1410TP 
P0P1410TP 
P0P1410TP P0SW100A0NO1 
P0P1410TP P0SW100A0NO1 
P0P1340TP 
P0P1340TP 
P0P1340TP 
P0P1340TP 
P0P1350TP  P0P1360TP  P0P1370TP 
P0P1350TP  P0P1360TP  P0P1370TP 
P0SW10101 
P0SW10101 
P0SW10101 
P0SW10101 
P0SW10101A 
P0SW10101A 
P0SW10101A 
P0SW10101A 
P0SW10101B 
P0SW10101B 
P0SW10101B 
P0SW10101B 
P0SW10102 
P0SW10102 
P0SW10102 
P0SW10102 
P0SW10102A 
P0SW10102A 
P0SW10102A 
P0SW10102A 
P0P1400TP 
P0P1400TP 
P0P1400TP 
P0P1400TP 
P0SW10102B 
P0SW10102B 
P0SW10102B 
P0SW10102B 
P0P1380TP 
P0P1380TP 
P0P1380TP 
P0P1380TP 
P0J10001  P0J10002 
P0J10001 P0P1350TP 
P0J10001  P0J10002 
P0J10001 P0P1350TP 
N0WDG 1 HI 
P0J10002 P0P1360TP 
P0J10002 P0P1360TP 
N0WDG 1 LO 
N0WDG 1 LO 
N0WDG 2 LO 
N0WDG 2 LO 
N0WDG 2 HI 
N0WDG 2 HI 
P0CON10001 
P0CON10001 
P0CON10001 
P0CON10001 
P0CON10002 
P0CON10002 
P0CON10002 
P0CON10002 
P0CON10003 
P0CON10003 
P0CON10003 
P0CON10003 
P0CON10004 
P0CON10004 
P0CON10004 
P0CON10004 
P0CON10005 
P0CON10005 
P0CON10005 
P0CON10005 
P0CON10006 
P0CON10006 
P0CON10006 
P0CON10006 
P0C11001 P0C11002 
P0C11001 
P0C11001 P0C11002 
P0C11001 
P0C11002 
P0C11002 
P0R11702 
P0R11702 
P0R11701  P0R11702 
P0R11701 
P0R11701  P0R11702 
P0R11701 
P0R12202 
P0R12202 
P0R12201  P0R12202 
P0R12201 
P0R12201  P0R12202 
P0R12201 
P0P1260TP 
P0P1260TP 
P0P1260TP 
P0P1260TP 
P0P1280TP 
P0P1280TP 
P0P1300TP 
P0P1300TP 
P0P1300TP 
P0P1300TP 
P0R11802 
P0R11802 
P0R11801  P0R11802 
P0R11801 
P0R11801  P0R11802 
P0R11801 
P0R12302 
P0R12302 
P0R12301  P0R12302 
P0R12301 
P0R12301  P0R12302 
P0R12301 
P0P1370TP 
P0P1370TP 
P0R11902 
P0R11902 
P0R11901  P0R11902 
P0R11901 
P0R11901  P0R11902 
P0R11901 
P0R12402 
P0R12402 
P0R12401  P0R12402 
P0R12401 
P0R12401  P0R12402 
P0R12401 
P0R12002 
P0R12002 
P0R12001  P0R12002 
P0R12001 
P0R12001  P0R12002 
P0R12001 
P0R12502 
P0R12502 
P0R12501  P0R12502 
P0R12501 
P0R12501  P0R12502 
P0R12501 
P0R12102 
P0R12102 
P0R12101  P0R12102 
P0R12101 
P0R12101  P0R12102 
P0R12101 
P0R12602 
P0R12602 
P0R12601  P0R12602 
P0R12601 
P0R12601  P0R12602 
P0R12601 
P0P1420TP 
P0P1420TP 
P0P1420TP 
P0P1420TP 
P0P1430TP 
P0P1430TP 
P0P1430TP 
P0P1430TP 
P0P1440TP 
P0P1440TP 
P0P1440TP 
P0P1440TP 
P0P1450TP 
P0P1450TP 
P0P1450TP 
P0P1450TP 
P0P1460TP 
P0P1460TP 
P0P1460TP 
P0P1460TP 
P0P1470TP 
P0P1470TP 
P0P1470TP 
P0P1470TP 
P0P1480TP 
P0P1480TP 
P0P1480TP 
P0P1480TP 
P0P1490TP 
P0P1490TP 
P0P1490TP 
P0P1490TP 
P0P1500TP 
P0P1500TP 
P0P1500TP 
P0P1500TP 
P0P1510TP 
P0P1510TP 
P0P1510TP 
P0P1510TP 
P0P1520TP 
P0P1520TP 
P0P1520TP 
P0P1520TP 
P0P1530TP 
P0P1530TP 
P0P1530TP 
P0P1530TP 
P0P1540TP 
P0P1540TP 
P0P1540TP 
P0P1540TP 
P0P1550TP 
P0P1550TP 
P0P1550TP 
P0P1550TP 
P0CON10101 
P0CON10101 
P0CON10101 
P0CON10101 
P0CON10102 
P0CON10102 
P0CON10102 
P0CON10102 
P0CON10103 
P0CON10103 
P0CON10103 
P0CON10103 
P0CON10104 
P0CON10104 
P0CON10104 
P0CON10104 
P0CON10105 
P0CON10105 
P0CON10105 
P0CON10105 
P0CON10106 
P0CON10106 
P0CON10106 
P0CON10106 
P0CON10107 
P0CON10107 
P0CON10107 
P0CON10107 
P0CON10108 
P0CON10108 
P0CON10108 
P0CON10108 
P0CON10109 
P0CON10109 
P0CON10109 
P0CON10109 
P0CON101010 
P0CON101010 
P0CON101010 
P0CON101010 
P0CON101011 
P0CON101011 
P0CON101011 
P0CON101011 
P0CON101012 
P0CON101012 
P0CON101012 
P0CON101012 
P0CON101013 
P0CON101013 
P0CON101013 
P0CON101013 
P0CON101014 
P0CON101014 
P0CON101014 
P0CON101014 
P0CON101015 
P0CON101015 
P0CON101015 
P0CON101015 
P0CON101016 
P0CON101016 
P0CON101016 
P0CON101016 
P0CON101017 
P0CON101017 
P0CON101017 
P0CON101017 
P0CON101018 
P0CON101018 
P0CON101018 
P0CON101018 
P0CON101019 
P0CON101019 
P0CON101019 
P0CON101019 
P0CON101020 
P0CON101020 
P0CON101020 
P0CON101020 
P0CON101021 
P0CON101021 
P0CON101021 
P0CON101021 
P0CON101022 
P0CON101022 
P0CON101022 
P0CON101022 
P0P1590TP  P0P1600TP  P0P1610TP 
P0P1590TP  P0P1600TP  P0P1610TP 
P0P1590TP 
P0P1590TP 
P0FIX10001 
P0FIX10001 
P0FIX10001 
P0FIX10001 
P0C10101 P0C10102 
P0C10101 
P0C10101 P0C10102 
P0C10101 
P0FIX10101 
P0FIX10101 
P0FIX10101 
P0FIX10101 
P0C10102 
P0C10102 
P0P1600TP 
P0P1600TP 
P0C10201 P0C10202 
P0C10201 
P0C10201 P0C10202 
P0C10201 
P0C10202 
P0C10202 
P0FIX10201 
P0FIX10201 
P0FIX10201 
P0FIX10201 
P0P1610TP 
P0P1610TP 
P0C10301 P0C10302 
P0C10301 
P0C10301 P0C10302 
P0C10301 
P0C10302 
P0C10302 
P0FIX10301 
P0FIX10301 
P0FIX10301 
P0FIX10301 
P0FIX10401 
P0FIX10401 
P0FIX10401 
P0FIX10401 
P0FIX10501 
P0FIX10501 
P0FIX10501 
P0FIX10501 
P0FD10001 
P0FD10001 
P0FD10001 
P0FD10001 
P0FD10101 
P0FD10101 
P0FD10101 
P0FD10101 

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 Front Panel_3.0.SchDoc
AMP002 Front Panel Indicators
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
2 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
+VFP
-25VFL
0VFP
0VFP
-25VFL
CATHODE BIAS
0VFP
1
2
SW301
SDTM-610-NTR
1
2
SW302
SDTM-610-NTR
1
2
SW305
SDTM-610-NTR
1
2
SW309
SDTM-610-NTR
1
2
SW313
SDTM-610-NTR
1
2
SW306
SDTM-610-NTR
1
2
SW310
SDTM-610-NTR
1
2
SW314
SDTM-610-NTR
1
2
SW303
SDTM-610-NTR
1
2
SW307
SDTM-610-NTR
1
2
SW311
SDTM-610-NTR
1
2
SW304
SDTM-610-NTR
1
2
SW308
SDTM-610-NTR
1
2
SW312
SDTM-610-NTR
AV
PVRPHONO CD
TUNERAUX DVD
DISPLAYBASS
TREBLE
BALANCE
MUTE PROC. MODE sourcesource
sourcesource
source source
source
SAT 
source
D300 
BAS16
D301 
BAS16
D302 
BAS16
D303 
BAS16
2 
3 
1
NCL
NCR
L
R
JY
SKT300
CLIFF ELECTRONICS
+VFP
2 
3 
1
NCL
NCR
L
R
JY
SKT301
CLIFF ELECTRONICS
0VFP
0VFP
0VFP
0W125
R306 
10K
0W125
R307 
10K
+VFP
FP FRONT IR
FP ENC PHASE B
FP ENC PHASE A
FP HP OUT L
FP HP OUT R
FP HP GND
FP FRONT INPUT L
FP FRONT INPUT R
FP FRONT INPUT GND
THESE COMPONENTS ARE ON A SNAP OFF SUB PCB 
IT IS FITTED 90 DEGREES TO THE FRONT PANEL PCB 
WITH A 1.6MM SLOT AND SOLDER FILLETS
50V 
0805
C315 
100N
50V 
0805
C316 
100N
+5V
O/P
GND
RX300 
HRM538BB5100
0W125
R308
100R
0W125
R323
100R
0W125
R324
100R
100V 
0805
C320 
470P
100V 
0805
C321 
470P
1
FIX300 
Dia 3.2mm
100V 
0805
C300 
10N
1
FIX301 
Dia 3.2mm
100V 
0805
C301 
10N
1
FIX302 
Dia 3.2mm
100V 
0805
C302 
10N
1
FIX303 
Dia 3.2mm
100V 
0805
C303 
10N
1
FIX304 
Dia 3.2mm
100V 
0805
10N
C304 
10N
50V
C313 
100N
50V
C314 
100N
TR301 
FMMT597
0W125
R301
1K0
50V
C309 
100N
TR300 
FMMT597
0W125
R302 
100R
0W125
R303 
100R
0VFP 0VFP
FP VFD_SDO
FP VFD_SDATA
FP VFD_SCLK
FP VFD_CS
FP FIL1 
FP FIL2
50V
C318 
100N
50V
C319 
100N
FP -VFD
+VFP
0VFP
F11F1
2
G95G86G77G68G59G410G311G212G1
13
COM221A22J23H24K25B26F27G28M29C30E31R32N33P34D35DP36COM1
37
F240F2
41
9-BY-04GAK
DISP300 
FUTABA
Do we need C306? Looks like C307 does all the filtering
0W25
R326 
56R
0W25
R325 
56R
10V
C322 
10uF
0W125
R300 
4K7
0W125
R304
4K7
0VFP 0VFP 0VFP 0VFP 0VFP
0W125
R305 
4K7
50V
C306 
10UF
50V
C307 
10UF
50V
C308 
10UF
50V
C310
10UF
50V
C311
10UF
10V
C312 
10uF
0W125
R319 
47K
+VFP
0W125
R320
1K0
FP HP DETECT
SUBHPL 
SUBHPR 
SUBHPG
SUBHPD
SUBFIL 
SUBFIR 
SUBFIG
SP300 SP301
SP302 SP303 
SP304 SP305 
SP306 SP307
SP308 SP309
SP310 SP311
SP312 SP313
SP316 SP317
SP315SP314
P322
P318
P317
P316
P315
P313
P312
P310
P309
P323
P324
P325
P326
P327
P328
P329
P330
P331
P332
P336
P338
P340
P342
P319
P320
P321
P333 
P337 
P339 
P341
P307 
P308
P311
P314
P334
P345
P352 
P354 
P356
P364
P372
P375
P366 P367
P376 P377
P379 P380 P381
P335
P365
P373
P374
P363
P361
P353 
P355 
P357
P347
P344
P303
P306
P302P301
P304
P305
P300
P383
P384
P385
P386
CLK
8
DIN
7
DOUT
6
VSS
44
VSS
12
GR241GR340GR4
39
K1
10
K2
11
LED1
1
LED2
2
LED3
3
LED4
4
OSC
5
SG1/KS1
14
SG10/KS10
23
SG11/KS11
24
SG12/KS12
25
SG13/KS13
26
SG14/KS14
27
SG15/KS15
28
SG16/KS16
29
SG17/GR12
31
SG18/GR11
32
SG19/GR10
33
SG2/KS2
15
SG20/GR934SG21/GR835SG22/GR736SG23/GR637SG24/GR5
38
SG3/KS316SG4/KS417SG5/KS518SG6/KS619SG7/KS720SG8/KS821SG9/KS9
22
STB
9
VDD
13
VEE
30
GR1
42
VDD
43
IC300 
PT6315(L)
G1
G2
G3
G4
G5
G6
G7
G8
G9
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
SG10
SG11
SG12
SG13
SG14
SG15
SG16
SG17
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
SG10
SG11
SG12
SG13
SG14
SG15
SG16
SG17
G1G2G3G4G5G6G7G8G9
+VFP
0VFP
0W125
R309 
10K
+VFP
0W125
R311 
100K
K1 
K2
D304 
BAS16
D305 
BAS16
D306 
BAS16
SG1 
SG2 
SG3 
SG4 
SG5 
SG6 
SG7
K2
K1
0W125
R310
0R0
0W125
R312
0R0
0W125
R314 
10K
0W125
R313 
10K
0VFP
P348
P350
P346
P349
P343
50V
C317
100N
P351 P358 P359 P360 P362 P368 P369
P370 P371 P378 P382 P387
0W25
R327 
560R
100V 
0805
C323
10N
P389
0W125
R315
100R
PD=2.5mW
P390
1
FIX306
Dia 3.2mm
1
FIX307
Dia 3.2mm
0VFP
+VFP
22V
DZ301 
BZX84C
Revision History:
21-12-07 SWB Changed DZ300,301 to correct footprint
12V
DZ300 
BZX84C
these were the wrong way round
0W125
R328 
1K2
GRN
LED300 
3mm
GRN
LED301 
3mm
GRN
LED302 
3mm
GRN
LED303 
3mm
GRN
LED304 
3mm
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
C
3
B
2
A
1
4
5
SW300 
EC16B242040A
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
08_E083 MSN 22/04/08 R327 changed to 560R to reduce brightness of LED304, to match other products 1.1
QTY DESCRIPTIONPART No. NOTESITEM
Ferrite Disk - This part is RoHS compliant.F243ITEM300 1 Place on top of IC300
Adhesive backed ERS Sheet - This Part is RoHS compliantF267ITEM301 1
Apply to rear of IR sensor RX300
08_E099 MSN 09/05/2008 Added ferrite and stealth mat 1.2
Place ITEM301 ERS sheet (Stealth Mat) behind display, then use ITEM101 foam pad to stick display + Stealth Mat to PCB
08_E202 MSN 26/11/2008 Transferred ITEM302 and ITEM303 here - were incorrectly listed on sheet 1 3.0
FOAM D/S ADH 5mm x 17mmF272ITEM302 1 Apply 90mm to VFD after ERS sheet to space VFD from PCB
Pad Adhesive Spacing - Diva Remote SensorE822APITEM303 1
Apply piece 90mm x 19mm to rear of VFD DISP300
P0DISP30001 
P0DISP30002 
P0DISP30001 
P0DISP30002 
P0DISP30001 
P0DISP30002 
P0DISP30001 
P0DISP30002 
P0P3000TP 
P0P3000TP 
P0P3000TP 
P0P3000TP 
P0R30001 P0R30002 
P0R30001 
P0R30001 P0R30002 
P0R30001 
P0R30002 P0R30501 
P0R30002 P0R30501 
P0P3010TP  P0P3020TP 
P0P3010TP 
P0P3010TP  P0P3020TP 
P0P3010TP 
P0TR3000B 
P0TR3000B 
P0TR3000B 
P0TR3000B 
P0DZ3010K 
P0DZ3010K 
P0DZ3010A  P0DZ3010K 
P0DZ3010A  P0DZ3010K 
P0P3020TP 
P0P3020TP 
P0R30101  P0R30102 
P0R30101 
P0R30101  P0R30102 
P0R30101 
P0DZ3000K 
P0DZ3000K 
P0P3830TP 
P0P3830TP 
P0P3830TP 
P0P3830TP 
P0DZ3000A  P0DZ3000K 
P0DZ3000A 
P0DZ3000A  P0DZ3000K 
P0DZ3000A 
P0TR3000C P0TR3000E P0TR3010B 
P0TR3000C 
P0TR3000C P0TR3000E P0TR3010B 
P0TR3000C 
P0TR3000E P0TR3010B 
P0TR3000E P0TR3010B 
P0P3040TP 
P0P3040TP 
P0P3040TP 
P0P3040TP 
P0R30401  P0R30402 
P0R30401 
P0R30401  P0R30402 
P0R30401 
P0R30402 
P0R30402 
P0P3050TP  P0P3060TP 
P0P3050TP 
P0P3050TP  P0P3060TP 
P0P3050TP 
P0TR3010C  P0TR3010E 
P0TR3010C 
P0TR3010C  P0TR3010E 
P0TR3010C 
P0TR3010E 
P0TR3010E 
P0R30501 P0R30502 
P0R30501 P0R30502 
P0R30502 
P0R30502 
P0R32801 P0R32802 
P0R32801 
P0R32801 P0R32802 
P0R32801 
P0R32802 
P0R32802 
P0C30601 P0C30602 
P0C30601  P0DZ3010A 
P0C30601 P0C30602 
P0C30601  P0DZ3010A 
P0C30602 
P0C30602 
P0C30701 P0C30702 
P0C30701 
P0C30701 P0C30702 
P0C30701 
P0C30702 
P0C30702 
P0DISP30005 
P0DISP30006 
P0DISP30007 
P0DISP30008 
P0DISP30009 
P0DISP30009 
P0DISP30008 
P0DISP30007 
P0DISP30006 
P0DISP30005 
P0DISP30005 
P0DISP30006 
P0DISP30007 
P0DISP30008 
P0DISP30009 
P0DISP30009 
P0DISP30008 
P0DISP30007 
P0DISP30006 
P0DISP30005 
P0P3220TP  P0P3230TP P0P3240TP P0P3250TP P0P3260TP P0P3270TP P0P3280TP P0P3290TP P0P3300TP P0P3310TP P0P3320TP 
P0P3170TP 
P0P3180TP 
P0P3220TP 
P0P3220TP  P0P3230TP P0P3240TP P0P3250TP P0P3260TP P0P3270TP P0P3280TP P0P3290TP P0P3300TP P0P3310TP P0P3320TP 
P0P3170TP 
P0P3180TP 
P0P3220TP 
N0G7 
N0G8 
N0G9 
N0G7 
N0G8 
N0G9 
P0P3150TP P0P3160TP P0P3170TP P0P3180TP 
P0P3150TP 
P0P3160TP 
P0P3150TP P0P3160TP P0P3170TP P0P3180TP 
P0P3150TP 
P0P3160TP 
N0G6 
N0G6 
P0P3130TP 
P0P3130TP 
N0G4 
N0G5 
N0G4 
N0G5 
P0DISP300010 
P0DISP300011 
P0DISP300012 
P0DISP300012 
P0DISP300011 
P0DISP300010 
P0DISP300010 
P0DISP300011 
P0DISP300012 
P0DISP300012 
P0DISP300011 
P0DISP300010 
P0P3120TP P0P3130TP 
P0P3100TP 
P0P3120TP 
P0P3120TP P0P3130TP 
P0P3100TP 
P0P3120TP 
N0G2 
N0G3 
N0G2 
N0G3 
P0DISP300013 
P0DISP300013 
P0DISP300013 
P0DISP300013 
P0P3090TP P0P3100TP 
P0P3090TP 
P0P3090TP P0P3100TP 
P0P3090TP 
N0G1 
N0G1 
P0DISP300021 
P0DISP300021 
P0DISP300021 
P0DISP300021 
P0P3240TP 
P0P3230TP 
P0P3240TP 
P0P3230TP 
N0SG17 
N0SG17 
P0DISP300022 
P0DISP300023 
P0DISP300023 
P0DISP300022 
P0DISP300022 
P0DISP300023 
P0DISP300023 
P0DISP300022 
P0P3260TP 
P0P3250TP 
P0P3260TP 
P0P3250TP 
N0SG15 
N0SG16 
N0SG15 
N0SG16 
P0DISP300024 
P0DISP300024 
P0DISP300024 
P0DISP300024 
P0DISP300025 
P0DISP300025 
P0DISP300025 
P0DISP300025 
P0P3270TP 
P0P3270TP 
N0SG13 
N0SG14 
N0SG13 
N0SG14 
P0DISP300026 
P0DISP300026 
P0DISP300026 
P0DISP300026 
P0P3290TP 
P0P3280TP 
P0P3290TP 
P0P3280TP 
N0SG12 
N0SG12 
P0DISP300028 
P0DISP300028 
P0DISP300028 
P0DISP300028 
P0DISP300027 
P0DISP300027 
P0DISP300027 
P0DISP300027 
P0P3310TP 
P0P3310TP 
P0P3300TP 
P0P3300TP 
N0SG10 
N0SG11 
N0SG10 
N0SG11 
P0DISP300029 
P0DISP300030 
P0DISP300030 
P0DISP300029 
P0DISP300029 
P0DISP300030 
P0DISP300030 
P0DISP300029 
P0P3360TP 
P0P3360TP 
P0P3320TP 
P0P3360TP 
P0P3360TP 
P0P3320TP 
N0SG8 
N0SG9 
P0DISP300032 
P0DISP300032 
P0DISP300032 
P0DISP300032 
P0DISP300031 
P0DISP300031 
P0DISP300031 
P0DISP300031 
P0P3380TP 
P0P3400TP 
P0P3400TP 
P0P3380TP 
P0P3380TP 
P0P3400TP 
P0P3400TP 
P0P3380TP 
N0SG6 
N0SG7 
P0DISP300033 
P0DISP300033 
P0DISP300033 
P0DISP300033 
P0DISP300034 
P0DISP300034 
P0DISP300034 
P0DISP300034 
P0P3420TP 
P0P3420TP 
P0P3420TP 
P0P3420TP 
N0SG4 
N0SG5 
N0SG3 
P0DISP300037 
P0DISP300037 
P0DISP300037 
P0DISP300037 
P0DISP300036 
P0DISP300036 
P0DISP300036 
P0DISP300036 
P0DISP300035 
P0DISP300035 
P0DISP300035 
P0DISP300035 
P0P3190TP 
P0P3200TP 
P0P3200TP 
P0P3190TP 
P0P3190TP 
P0P3200TP 
P0P3200TP 
P0P3190TP 
N0SG1 
N0SG2 
P0P3210TP 
P0P3210TP 
P0P3210TP 
P0P3210TP 
P0DISP300040 
P0DISP300041 
P0DISP300040 
P0DISP300041 
P0DISP300040 
P0DISP300041 
P0DISP300040 
P0DISP300041 
P0C31301 P0C31302 
P0C31301 
P0C31301 P0C31302 
P0C31301 
P0C31302 
P0C31302 
P0C31401 P0C31402 
P0C31401 
P0C31401 P0C31402 
P0C31401 
P0C31402 
P0C31402 
P0P3030TP 
P0P3030TP P0R30102 
P0P3030TP 
P0P3030TP P0R30102 
P0C31002 
P0C31002 
P0P3060TP 
P0P3060TP 
P0C31102 
P0C31102 
P0P3070TP 
P0P3070TP 
P0P3070TP 
P0P3070TP 
P0P3080TP 
P0P3080TP 
P0P3080TP 
P0P3080TP 
P0C31001 P0C31002 
P0C31001 
P0C31001 P0C31002 
P0C31001 
P0C31101 P0C31102 
P0C31101 
P0C31101 P0C31102 
P0C31101 
P0R30201 P0R30202 
P0R30201 
P0R30201 P0R30202 
P0R30201 
P0R30202 
P0R30202 
P0R30301 P0R30302 
P0R30301 
P0R30301 P0R30302 
P0R30301 
P0R30302 
P0R30302 
P0FIX30001 
P0FIX30001 
P0FIX30001 
P0FIX30001 
P0P3700TP  P0P3710TP 
P0P3700TP 
P0P3700TP  P0P3710TP 
P0P3700TP 
P0C30001 P0C30002 
P0C30001 
P0C30001 P0C30002 
P0C30001 
P0C30002 
P0C30002 
P0C32301  P0C32302 
P0C32301 P0P3890TP 
P0C32301  P0C32302 
P0C32301 P0P3890TP 
P0SW30004 
P0SW30004 
P0SW30004 
P0SW30004 
P0SW30003 
P0SW30003 
P0SW30003 
P0SW30003 
P0C32302 
P0C32302 
P0P3110TP 
P0P3110TP 
P0P3110TP 
P0P3110TP 
P0P3140TP 
P0P3140TP 
P0P3140TP 
P0P3140TP 
P0R30601 P0R30602 
P0R30601 
P0R30601 P0R30602 
P0R30601 
P0R30602 
P0R30602 
P0C31501 P0C31502 
P0C31501 
P0C31501 P0C31502 
P0C31501 
P0C31502 
P0C31502 
P0R30701 P0R30702 
P0R30701 
P0R30701 P0R30702 
P0R30701 
P0R30702 
P0R30702 
P0C31601 P0C31602 
P0C31601 
P0C31601 P0C31602 
P0C31601 
P0C31602 
P0C31602 
P0P3890TP 
P0P3890TP 
P0SW30005 
P0SW30005 
P0SW30005 
P0SW30005 
P0SW30002 
P0SW30002 
P0SW30002 
P0SW30002 
P0SW30001 
P0SW30001 
P0SW30001 
P0SW30001 
P0P3340TP  P0P3350TP 
P0P3340TP  P0P3350TP 
P0P3340TP  P0R30801 
P0P3340TP  P0R30801 
P0R30801  P0R30802 
P0R30801  P0R30802 
P0P3350TP P0R30802 
P0P3350TP P0R30802 
P0P3710TP 
P0P3710TP 
P0FIX30101 
P0FIX30101 
P0FIX30101 
P0FIX30101 
P0C30101 P0C30102 
P0C30101 
P0C30101 P0C30102 
P0C30101 
P0C30102 
P0C30102 
P0P3780TP 
P0P3780TP 
P0P3780TP 
P0P3780TP 
P0FIX30201 
P0FIX30201 
P0FIX30201 
P0FIX30201 
P0C30201 P0C30202 
P0C30201 
P0C30201 P0C30202 
P0C30201 
P0C30202 
P0C30202 
P0P3820TP 
P0P3820TP 
P0P3820TP 
P0P3820TP 
P0FIX30301 
P0FIX30301 
P0FIX30301 
P0FIX30301 
P0C30301 P0C30302 
P0C30301 
P0C30301 P0C30302 
P0C30301 
P0C30302 
P0C30302 
P0R31501  P0R31502 
P0R31501 
P0R31501  P0R31502 
P0R31501 
P0P3900TP 
P0P3900TP P0R31502 
P0P3900TP 
P0P3900TP P0R31502 
P0RX3000OP 
P0RX3000OP 
P0RX3000OP 
P0RX3000OP 
P0RX3000VCC 
P0RX3000VCC 
P0RX3000VCC 
P0RX3000VCC 
P0RX3000GND 
P0RX3000GND 
P0RX3000GND 
P0RX3000GND 
P0P3870TP 
P0P3870TP 
P0P3870TP 
P0P3870TP 
P0FIX30401 
P0FIX30401 
P0FIX30401 
P0FIX30401 
P0C30401 P0C30402 
P0C30401 
P0C30401 P0C30402 
P0C30401 
P0C30402 
P0C30402 
P0C31201 P0C31202 
P0C31201 
P0C31201 P0C31202 
P0C31201 
P0C31202 
P0C31202 
P0C31901 P0C31902 
P0C31901 
P0C31901 P0C31902 
P0C31901 
P0C31902 
P0C31902 
P0P3330TP 
P0P3330TP 
P0P3330TP 
P0P3330TP 
P0P3370TP 
P0P3370TP 
P0P3370TP 
P0P3370TP 
P0P3390TP 
P0P3390TP 
P0P3390TP 
P0P3390TP 
P0P3410TP 
P0P3410TP 
P0P3410TP 
P0P3410TP 
P0R30901 P0R30902 
P0R30901 
P0R30901 P0R30902 
P0R30901 
P0R30902 
P0R30902 
P0P3430TP 
P0P3430TP 
P0P3430TP 
P0P3430TP 
P0R31101 P0R31102 
P0R31101 
P0R31101 P0R31102 
P0R31101 
P0R31102 
P0R31102 
P0C32201 P0C32202 
P0C32201 
P0C32201 P0C32202 
P0C32201 
P0C32202 
P0C32202 
P0C31801 P0C31802 
P0C31801 
P0C31801 P0C31802 
P0C31801 
P0C31802 
P0C31802 
N0K1 
N0K1 
N0K2 
N0K2 
P0IC30001 
P0IC30001 
P0IC30001 
P0IC30001 
P0IC30002 
P0IC30002 
P0IC30002 
P0IC30002 
P0IC30003 
P0IC30003 
P0IC30003 
P0IC30003 
P0IC30004 
P0IC30004 
P0IC30004 
P0IC30004 
P0IC30005 
P0IC30005 
P0IC30005 
P0IC30005 
P0IC30006 
P0IC30006 
P0IC30006 
P0IC30006 
P0IC30007 
P0IC30007 
P0IC30007 
P0IC30007 
P0IC30008 
P0IC30008 
P0IC30008 
P0IC30008 
P0IC30009 
P0IC30009 
P0IC30009 
P0IC30009 
P0IC300010 
P0IC300010 
P0IC300010 
P0IC300010 
P0IC300011 
P0IC300011 
P0IC300011 
P0IC300011 
P0C31701  P0C31702 
P0C31701 
P0C31701  P0C31702 
P0C31701 
N0G1 
N0G2 
N0G3 
N0G4 
P0IC300043 
P0IC300044 
P0IC300043 
P0IC300044 
P0IC300043 
P0IC300044 
P0IC300043 
P0IC300044 
P0IC300013 
P0IC300013 
P0IC300013 
P0IC300013 
P0IC300012 
P0IC300012 
P0IC300012 
P0IC300012 
P0C31702 
P0C31702 
P0IC300042 
P0IC300042 
P0IC300042 
P0IC300042 
P0IC300014 
P0IC300014 
P0IC300014 
P0IC300014 
N0SG1 
N0SG1 
P0IC300039 
P0IC300040 
P0IC300041 
P0IC300041 
P0IC300040 
P0IC300039 
P0IC300039 
P0IC300040 
P0IC300041 
P0IC300041 
P0IC300040 
P0IC300039 
P0IC300015 
P0IC300016 
P0IC300017 
P0IC300015 
P0IC300016 
P0IC300017 
P0IC300015 
P0IC300016 
P0IC300017 
P0IC300015 
P0IC300016 
P0IC300017 
N0SG2 
N0SG3 
N0SG4 
N0SG2 
N0SG3 
N0SG4 
N0G5 
N0G6 
P0IC300037 
P0IC300038 
P0IC300038 
P0IC300037 
P0IC300037 
P0IC300038 
P0IC300038 
P0IC300037 
P0IC300018 
P0IC300019 
P0IC300018 
P0IC300019 
P0IC300018 
P0IC300019 
P0IC300018 
P0IC300019 
N0SG5 
N0SG6 
N0SG5 
N0SG6 
P0C30802 
P0C30802 
P0C30801  P0C30802 
P0C30801 
P0C30801  P0C30802 
P0C30801 
N0G7 
N0G8 
N0G9 
P0IC300034 
P0IC300035 
P0IC300036 
P0IC300036 
P0IC300035 
P0IC300034 
P0IC300034 
P0IC300035 
P0IC300036 
P0IC300036 
P0IC300035 
P0IC300034 
P0IC300033 
P0IC300033 
P0IC300033 
P0IC300033 
P0IC300032 
P0IC300032 
P0IC300032 
P0IC300032 
P0IC300031 
P0IC300031 
P0IC300031 
P0IC300031 
P0IC300029 
P0IC300029 
P0IC300029 
P0IC300029 
P0IC300028 
P0IC300028 
P0IC300028 
P0IC300028 
P0IC300027 
P0IC300027 
P0IC300027 
P0IC300027 
P0IC300026 
P0IC300026 
P0IC300026 
P0IC300026 
P0IC300025 
P0IC300025 
P0IC300025 
P0IC300025 
P0IC300024 
P0IC300024 
P0IC300024 
P0IC300024 
P0IC300023 
P0IC300023 
P0IC300023 
P0IC300023 
P0IC300020 
P0IC300021 
P0IC300022 
P0IC300020 
P0IC300021 
P0IC300022 
P0IC300020 
P0IC300021 
P0IC300022 
P0IC300020 
P0IC300021 
P0IC300022 
N0SG7 
N0SG8 
N0SG9 
N0SG7 
N0SG8 
N0SG9 
P0IC300030 
P0IC300030 
P0IC300030 
P0IC300030 
P0C30902 
P0C30902 
P0C30901  P0C30902 
P0C30901 
P0C30901  P0C30902 
P0C30901 
N0SG17 
N0SG16 
N0SG15 
N0SG14 
N0SG13 
N0SG12 
N0SG11 
N0SG10 
N0SG1 
N0SG2 
N0SG3 
N0SG4 
N0SG5 
N0SG6 
N0SG7 
N0K1 
P0P3480TP 
P0P3480TP 
P0P3480TP  P0R31001 
P0P3480TP  P0R31001 
P0R31001  P0R31002 
P0R31001  P0R31002 
N0K2 
P0P3500TP  P0R31201 
P0P3500TP  P0R31201 
P0R31201  P0R31202 
P0R31201  P0R31202 
P0D3000A P0D3000K 
P0D3000A 
P0D3000A P0D3000K 
P0D3000A 
P0P3510TP 
P0P3510TP 
P0P3510TP 
P0P3510TP 
P0D3000K 
P0D3000K 
P0SW30101 
P0SW30101 
P0SW30101 
P0SW30101 
P0SW30102 
P0SW30102  P0SW30202  P0SW30502  P0SW30702  P0SW30902  P0SW31102  P0SW31302 
P0SW30102 
P0SW30102  P0SW30202  P0SW30502  P0SW30702  P0SW30902  P0SW31102  P0SW31302 
P0P3460TP 
P0P3460TP 
P0P3460TP P0R31002 
P0P3460TP P0R31002 
P0SW30401 
P0SW30401 
P0SW30401 
P0SW30401 
P0SW30402 
P0SW30402 
P0P3490TP P0P3500TP 
P0P3490TP P0P3500TP 
P0P3490TP P0R31202 
P0P3490TP P0R31202 
P0D3010A P0D3010K 
P0D3010A 
P0D3010A P0D3010K 
P0D3010A 
P0P3580TP  P0P3590TP  P0P3600TP 
P0P3580TP  P0P3590TP  P0P3600TP 
P0P3580TP 
P0P3580TP 
P0D3010K 
P0D3010K 
P0SW30201 
P0SW30201 
P0SW30201 
P0SW30201 
P0SW30202 
P0SW30202 
P0SW30301 
P0SW30301 
P0SW30301 
P0SW30301 
P0SW30302 
P0SW30302 P0SW30402  P0SW30602  P0SW30802  P0SW31002  P0SW31202  P0SW31402 
P0SW30302 
P0SW30302 P0SW30402  P0SW30602  P0SW30802  P0SW31002  P0SW31202  P0SW31402 
P0D3020A P0D3020K 
P0D3020A 
P0D3020A P0D3020K 
P0D3020A 
P0P3590TP 
P0P3590TP 
P0D3020K 
P0D3020K 
P0SW30501 
P0SW30501 
P0SW30501 
P0SW30501 
P0SW30502 
P0SW30502 
P0SW30601 
P0SW30601 
P0SW30601 
P0SW30601 
P0SW30602 
P0SW30602 
P0D3030A P0D3030K 
P0D3030A 
P0D3030A P0D3030K 
P0D3030A 
P0P3600TP 
P0P3600TP 
P0D3030K 
P0D3030K 
P0SW30701 
P0SW30701 
P0SW30701 
P0SW30701 
P0SW30702 
P0SW30702 
P0SW30801 
P0SW30801 
P0SW30801 
P0SW30801 
P0SW30802 
P0SW30802 
P0D3040A P0D3040K 
P0D3040A 
P0D3040A P0D3040K 
P0D3040A 
P0P3620TP 
P0P3620TP 
P0P3620TP 
P0P3620TP 
P0D3040K 
P0D3040K 
P0SW30901 
P0SW30901 
P0SW30901 
P0SW30901 
P0SW30902 
P0SW30902 
P0SW31001 
P0SW31001 
P0SW31001 
P0SW31001 
P0SW31002 
P0SW31002 
P0D3050A P0D3050K 
P0D3050A 
P0D3050A P0D3050K 
P0D3050A 
P0P3680TP  P0P3690TP 
P0P3680TP  P0P3690TP 
P0P3680TP 
P0P3680TP 
P0D3050K 
P0D3050K 
P0SW31101 
P0SW31101 
P0SW31101 
P0SW31101 
P0SW31102 
P0SW31102 
P0SW31201 
P0SW31201 
P0SW31201 
P0SW31201 
P0SW31202 
P0SW31202 
P0D3060A P0D3060K 
P0D3060A 
P0D3060A P0D3060K 
P0D3060A 
P0P3690TP 
P0P3690TP 
P0D3060K 
P0D3060K 
P0R31301 P0R31302 
P0R31301 
P0R31301 P0R31302 
P0R31301 
P0R31302 
P0R31302 
P0SW31301 
P0SW31301 
P0SW31301 
P0SW31301 
P0SW31302 
P0SW31302 
P0SW31401 
P0SW31401 
P0SW31401 
P0SW31401 
P0SW31402 
P0SW31402 
P0R31401 P0R31402 
P0R31401 
P0R31401 P0R31402 
P0R31401 
P0R31402 
P0R31402 
P0R31901 P0R31902 
P0R31901 
P0R31901 P0R31902 
P0R31901 
P0R31902 
P0P3440TP  P0P3450TP 
P0P3440TP  P0P3450TP 
P0R32001  P0R32002 
P0P3440TP P0R32001 
P0R32001  P0R32002 
P0P3440TP P0R32001 
P0R32002  P0SP30001 
P0R32002  P0SP30001 
P0R31902 
P0P3450TP 
P0P3450TP 
P0P3520TP  P0P3530TP 
P0P3520TP  P0P3530TP 
P0P3520TP  P0SP30201 
P0P3520TP  P0SP30201 
P0P3540TP  P0P3550TP 
P0P3540TP  P0P3550TP 
P0P3540TP  P0SP30401 
P0P3540TP  P0SP30401 
P0P3560TP  P0P3570TP 
P0P3560TP  P0P3570TP 
P0P3560TP  P0SP30601 
P0P3560TP  P0SP30601 
P0P3640TP  P0P3650TP 
P0C32001 P0C32002 
P0C32001 
P0C32001 P0C32002 
P0C32001 
P0C32002 
P0C32002 
P0P3640TP  P0P3650TP 
P0P3640TP P0R32301 
P0P3640TP P0R32301 
P0P3720TP  P0P3730TP 
P0P3720TP  P0P3730TP 
P0P3720TP P0R32401 
P0P3720TP P0R32401 
P0C32101 P0C32102 
P0C32101 
P0C32101 P0C32102 
P0C32101 
P0C32102 
P0C32102 
P0P3750TP 
P0P3750TP 
P0P3750TP  P0SP31201 
P0P3750TP  P0SP31201 
P0R32301  P0R32302 
P0R32301  P0R32302 
P0R32401  P0R32402 
P0R32401  P0R32402 
P0SP31401  P0SP31501 
P0SP31401  P0SP31501 
P0SP31401  P0SP31501 
P0SP31401  P0SP31501 
P0SP31601  P0SP31701 
P0SP31601  P0SP31701 
P0SP31601  P0SP31701 
P0SP31601  P0SP31701 
P0SP30001  P0SP30101 
P0SP30001  P0SP30101 
P0SP30201  P0SP30301 
P0SP30201  P0SP30301 
P0SP30401  P0SP30501 
P0SP30401  P0SP30501 
P0SP30601  P0SP30701 
P0SP30601  P0SP30701 
P0P3840TP 
P0P3840TP 
P0SP30801  P0SP30901 
P0P3840TP P0R32302 P0SP30801 
P0SP30801  P0SP30901 
P0P3840TP P0R32302 P0SP30801 
P0P3850TP 
P0P3850TP 
P0SP31001  P0SP31101 
P0P3850TP P0R32402 P0SP31001 
P0SP31001  P0SP31101 
P0P3850TP P0R32402 P0SP31001 
P0SP31201  P0SP31301 
P0SP31201  P0SP31301 
P0SP30101 
P0SP30101 
N0SUBHPL 
P0SP30301 
P0SP30301 
P0SP30501 
P0SP30501 
P0SP30701 
P0SP30701 
N0SUBHPL 
N0SUBHPR 
N0SUBHPR 
N0SUBHPG 
N0SUBHPG 
N0SUBHPD 
N0SUBHPD 
P0P3530TP 
P0P3530TP 
P0P3550TP 
P0P3550TP 
P0P3570TP 
P0P3570TP 
P0P3470TP 
P0P3470TP 
P0P3470TP 
P0P3470TP 
P0SKT3000NCL 
P0SKT3000NCL 
P0SKT3000NCL 
P0SKT3000NCL 
P0SKT30002 
P0SKT30002 
P0SKT30002 
P0SKT30002 
P0SKT30003 
P0SKT30003 
P0SKT30003 
P0SKT30003 
P0SKT30001 
P0SKT30001 
P0SKT30001 
P0SKT30001 
P0SKT3000NCR 
P0SKT3000NCR 
P0SKT3000NCR 
P0SKT3000NCR 
P0P3610TP 
P0P3610TP 
P0P3610TP 
P0P3610TP 
P0FIX30601 
P0FIX30601 
P0FIX30601 
P0FIX30601 
P0FIX30701 
P0FIX30701 
P0FIX30701 
P0FIX30701 
P0SKT3010NCL 
P0SKT3010NCL 
P0SKT3010NCL 
P0SKT3010NCL 
P0P3630TP 
P0P3630TP 
P0P3630TP 
P0P3630TP 
P0P3650TP 
P0SP30901 
P0P3650TP 
P0SP30901 
P0P3730TP 
P0SP31101 
P0P3730TP 
P0SP31101 
P0SP31301 
P0SP31301 
P0P3860TP 
P0P3860TP 
P0P3860TP 
P0P3860TP 
N0SUBFIL 
N0SUBFIL 
N0SUBFIR 
N0SUBFIR 
N0SUBFIG 
N0SUBFIG 
P0P3740TP 
P0P3740TP 
P0P3740TP 
P0P3740TP 
P0SKT30102 
P0SKT30102 
P0SKT30102 
P0SKT30102 
P0SKT30103 
P0SKT30103 
P0SKT30103 
P0SKT30103 
P0SKT30101 
P0SKT30101 
P0SKT30101 
P0SKT30101 
P0SKT3010NCR 
P0SKT3010NCR 
P0SKT3010NCR 
P0SKT3010NCR 
P0P3660TP  P0P3670TP 
P0P3660TP  P0P3670TP 
P0P3660TP 
P0P3660TP 
P0R32501 P0R32502 
P0R32501 
P0R32501 P0R32502 
P0R32501 
P0P3760TP  P0P3770TP 
P0P3760TP  P0P3770TP 
P0P3760TP 
P0P3760TP 
P0R32502 
P0R32502 
P0LED3000K 
P0LED3000K 
P0P3790TP  P0P3800TP  P0P3810TP 
P0P3790TP  P0P3800TP  P0P3810TP 
P0P3790TP 
P0P3790TP 
P0LED3000A  P0LED3000K 
P0LED3000A P0LED3020K 
P0LED3000A  P0LED3000K 
P0LED3000A P0LED3020K 
P0LED3020A  P0LED3020K 
P0LED3020A 
P0LED3020A  P0LED3020K 
P0LED3020A 
P0P3670TP 
P0P3670TP 
P0R32601 P0R32602 
P0R32601 
P0R32601 P0R32602 
P0R32601 
P0P3770TP 
P0P3770TP 
P0R32602 
P0R32602 
P0LED3010K 
P0LED3010K 
P0P3800TP 
P0P3800TP 
P0LED3010A  P0LED3010K 
P0LED3010A P0LED3030K 
P0LED3010A  P0LED3010K 
P0LED3010A P0LED3030K 
P0LED3030A  P0LED3030K 
P0LED3030A 
P0LED3030A  P0LED3030K 
P0LED3030A 
P0R32702 
P0R32702 
P0R32701  P0R32702 
P0R32701 
P0R32701  P0R32702 
P0R32701 
P0P3810TP 
P0P3810TP 
P0LED3040A P0LED3040K 
P0LED3040A 
P0LED3040A P0LED3040K 
P0LED3040A 
P0LED3040K 
P0LED3040K 

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 Power Amp_3.0.SchDoc
AMP002 Power Amp Left
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
3 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
0V_IN_L
0V_HF_L
ZOBEL NETWORK
100V 
1206
C410 
100N
OUTPUT L
-HTL
+HTL
PA IN L
0W125
R402
220R
100V 
0805
C407 
470P
100V 
0805
C402 
100P
0W125
R408 
1K0
25V 
YXF
C405 
470UF
50V 
0805
C408 
100N
0W125
R414 
10K
0V_HF_L
0V_HF_L
0V_HF_L
0W125
R423 
1K0
0V_IN_R
0V_HF_R
ZOBEL NETWORK
100V 
1206
C420 
100N
OUTPUT R
PA IN R
0W125
R427
220R
100V 
0805
C417 
470P
100V 
0805
C414 
100P
0W125
R430 
1K0
25V 
YXF
C415 
470UF
50V 
0805
C418 
100N
0W125
R434 
10K
0V_HF_R
0V_HF_R
0V_HF_R
0W125
R425 
1K0
+5VD
PWR AMP MUTE
16V 
YK
C411 
220UF
-VPRE
0W25
R421
36K
0W25
R439
36K
0W125
R403
100K
0W125
R418
100K
D402 
BAV99
D400 
BAV99
0VD
DC OFFSET
0VD
OUTPUT L
OUTPUT R
RTH400 
5K@25C
0W125
R431 
2K2
+5VD
0VD
TEMP SENSE
63V 
WB
C400 
22UF
63V 
WB
C406 
22UF
63V 
WB
C412 
22UF
63V 
WB
C416 
22UF
100V 
1206
C401
100N
100V 
1206
C409 
100N
100V 
1206
C413
100N
100V 
1206
C419 
100N
0W125
R426 
910R
NO FIT?
NO FIT?
D401 
BAV99
0VD
0W25
R440
10R
0W25
R441
10R
0W25
R442
10R
0W25
R443
10R
0W125
R444 
2K2
-VPRE
+5VD
TR400 
BC847B
TR402 
BC857B
50V 
0805
C421 
100N
63V
C403 
10UF
63V
C404 
10UF
0W125
R417 
4K7
0V_IN_R
0V_IN_L
0W5
R428 
10R
0W5
R429 
10R
0W5
R406 
10R
0W5
R407 
10R
TR403 
MMUN2111LT1
TR401 
MMUN2111LT1
-HTL
+HTL
P401
P411
P408
P407
P406
P403
P422
P421
P420
P419
P418
P424
P425
P426
P417
P423
P415
P400
P412
P409
P404
P413
P405
P414
P410
P402
P416
P427
P428
0V_LS_L
0V_LS_R
0W125
R424
100R
Was 330R
VCC
1
VO
3
IN+
10
GND
7
IN-
9
VEE
4
MUTE
8
VCC
5
IC400 
LM3886T
VCC
1
VO
3
IN+
10
GND
7
IN-
9
VEE
4
MUTE
8
VCC
5
IC401 
LM3886T
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
08_E083 MSN 22/04/08 Changed R440, R441, R442, R443 to 0R; R402, R427 to 100R 1.1
08_E099 MSN 09/05/08 Changed R440, R441, R442, R443 to 10R; R402, R427 to 220R 1.2
08_E202 MSN 26/11/2008 None to this sheet 3.0
P0R40202 
P0R40201  P0R40202 
P0R40201 
P0R40201  P0R40202 
P0R40201 
P0R40202 
P0C40701 P0C40702 
P0C40701 
P0C40701 P0C40702 
P0C40701 
P0C40702 
P0C40702 
P0C40201 P0C40202 
P0C40201 
P0C40201 P0C40202 
P0C40201 
P0C40202 
P0C40202 
P0R40802 
P0R40802 
P0R40801  P0R40802 
P0R40801 
P0R40801  P0R40802 
P0R40801 
P0P4120TP 
P0P4120TP 
P0P4120TP 
P0P4120TP 
P0C40801 P0C40802 
P0C40801 
P0C40801 P0C40802 
P0C40801 
P0C40802 
P0C40802 
P0TR4030B 
P0TR4030B 
P0TR4030B 
P0TR4030B 
P0C40501 P0C40502 
P0C40501 
P0C40501 P0C40502 
P0C40501 
P0C40502 
P0C40502 
P0TR4030E 
P0TR4030E 
P0TR4030C  P0TR4030E 
P0TR4030C 
P0TR4030C  P0TR4030E 
P0TR4030C 
P0P4280TP  P0R42401 
P0P4280TP  P0R42401 
P0P4280TP 
P0P4280TP 
P0R41401 P0R41402 
P0R41401 
P0R41401 P0R41402 
P0R41401 
P0R41402 
P0R41402 
P0R42401  P0R42402 
P0R42401  P0R42402 
P0R42402 
P0R42402 
P0C40001 P0C40002 
P0C40001 
P0C40001 P0C40002 
P0C40001 
P0C40002 
P0C40002 
P0P4010TP 
P0P4010TP 
P0P4010TP 
P0P4010TP 
P0C40101  P0C40102 
P0C40101 
P0C40101  P0C40102 
P0C40101 
P0C40102 P0P4000TP P0R44101 
P0C40102 P0P4000TP P0R44101 
P0P4000TP 
P0R44101  P0R44102 
P0P4000TP 
P0R44101  P0R44102 
P0R44102 
P0R44102 
P0IC40001 
P0IC40001 
P0IC40001 
P0IC40001 
P0IC40005 
P0IC40005 
P0IC40005 
P0IC40005 
P0IC40003 
P0IC40003 
P0IC40003 
P0R44002 
P0R44002 
P0IC40003 
P0R40301 
P0R40301 
P0R40301  P0R40302 
P0R40301  P0R40302 
P0R40601 P0R40602 
P0R40601 
P0R40601 P0R40602 
P0R40601 
P0R40602 
P0R40602 
P0P4090TP 
P0P4090TP 
P0P4090TP  P0P4100TP 
P0P4090TP  P0P4100TP 
P0C41001 P0C41002 
P0C41001 
P0C41001 P0C41002 
P0C41001 
P0R40701 P0R40702 
P0R40701 
P0R40701 P0R40702 
P0R40701 
P0R40702 
P0R40702 
P0C41002 P0C42002 
P0C41002 P0C42002 
P0R41801  P0R41802 
P0R41801 
P0R41801  P0R41802 
P0R41801 
P0P4040TP P0R40302 
P0P4040TP P0R40302 
P0C40301 P0C40302 P0C40401  P0C40402 
P0C40301 
P0C40301 P0C40302 P0C40401  P0C40402 
P0C40301 
P0C40302 P0C40402 
P0C40302 P0C40402 
P0C40401 
P0C40401 
P0P4130TP P0R41802 
P0P4130TP P0R41802 
P0P4130TP 
P0P4130TP 
P0D4000A 
P0D4000A 
P0D4000A 
P0D4000A 
P0D4020A 
P0D4020A 
P0D4020A 
P0D4020A 
P0D4000COM 
P0D4000COM 
P0D4000COM 
P0D4000COM 
P0D4020COM 
P0D4020COM 
P0D4020COM 
P0D4020COM 
P0D4000K 
P0D4000K 
P0D4000K 
P0D4000K 
P0D4020K 
P0D4020K 
P0D4020K 
P0D4020K 
P0IC400010 
P0IC400010 
P0IC400010 
P0P4030TP 
P0P4030TP 
P0P4030TP  P0P4040TP  P0P4050TP 
P0P4030TP  P0P4040TP  P0P4050TP 
P0P4060TP 
P0P4060TP 
P0P4060TP 
P0P4060TP 
P0P4070TP 
P0P4070TP 
P0P4070TP 
P0P4070TP 
P0P4080TP 
P0P4080TP 
P0P4080TP 
P0P4080TP 
P0IC400010 
P0IC40009 
P0IC40009 
P0IC40009 
P0IC40009 
P0IC40007 
P0IC40007 
P0IC40007 
P0IC40007 
P0IC40008 
P0IC40008 
P0IC40008 
P0IC40008 
P0IC40004 
P0IC40004 P0IC40104 
P0IC40004 
P0IC40004 P0IC40104 
P0P4110TP 
P0P4110TP 
P0P4110TP 
P0P4110TP 
P0C40602 
P0C40602 
P0C40601  P0C40602 
P0C40601 
P0C40601  P0C40602 
P0C40601 
P0C40901 P0C40902 
P0C40901 
P0C40901 P0C40902 
P0C40901 
P0C40902 
P0C40902 
P0P4150TP P0R44001 
P0P4150TP P0R44001 
P0P4150TP 
P0P4150TP 
P0R44001  P0R44002 
P0R44001  P0R44002 
P0R42101  P0R42102 
P0R42101 
P0R42101  P0R42102 
P0R42101 
P0R42102 
P0R42102 
P0R42302 
P0R42302 
P0R42301  P0R42302 
P0R42301 
P0R42301  P0R42302 
P0R42301 
P0P4270TP 
P0P4270TP 
P0P4270TP 
P0P4270TP 
P0R42502 
P0R42502 
P0R42501  P0R42502 
P0R42501 
P0R42501  P0R42502 
P0R42501 
P0R42601 P0R42602 
P0R42601 
P0R42601 P0R42602 
P0R42601 
P0R42602 
P0R42602 
P0C41101 P0C41102 
P0C41101 
P0C41101 P0C41102 
P0C41101 
P0C41102 
P0C41102 
P0P4050TP  P0TR4000B 
P0P4050TP  P0TR4000B 
P0D4010K 
P0D4010K 
P0D4010K 
P0D4010K 
P0TR4000B 
P0TR4000B 
P0D4010A 
P0D4010A 
P0D4010A 
P0D4010A 
P0TR4020B 
P0TR4020B 
P0D4010COM 
P0D4010COM 
P0D4010COM 
P0D4010COM 
P0P4140TP  P0TR4020B 
P0P4140TP  P0TR4020B 
P0P4140TP 
P0P4140TP 
P0TR4000C P0TR4000E 
P0TR4000C 
P0TR4000C P0TR4000E 
P0TR4000C 
P0TR4000E P0TR4020E 
P0TR4000E P0TR4020E 
P0P4100TP 
P0P4100TP 
P0TR4020C  P0TR4020E 
P0TR4020C  P0TR4020E 
P0P4160TP 
P0P4160TP 
P0P4160TP 
P0P4160TP 
P0R44402 P0TR4020C 
P0R44402 P0TR4020C 
P0R44401  P0R44402 
P0R44401 
P0R44401  P0R44402 
P0R44401 
P0P4020TP 
P0P4020TP 
P0P4020TP 
P0P4020TP 
P0TR4010B 
P0TR4010B 
P0TR4010B 
P0TR4010B 
P0TR4010E 
P0TR4010E 
P0TR4010C  P0TR4010E 
P0TR4010C  P0TR4010E 
P0R41701 P0R41702 
P0R41701  P0TR4010C 
P0R41701 P0R41702 
P0R41701  P0TR4010C 
P0R41702 
P0R41702 
P0R42701  P0R42702 
P0R42701 
P0R42701  P0R42702 
P0R42701 
P0R42702 
P0R42702 
P0C41701 P0C41702 
P0C41701 
P0C41701 P0C41702 
P0C41701 
P0C41702 
P0C41702 
P0C41401 P0C41402 
P0C41401 
P0C41401 P0C41402 
P0C41401 
P0C41402 
P0C41402 
P0R43002 
P0R43002 
P0R43001  P0R43002 
P0R43001 
P0R43001  P0R43002 
P0R43001 
P0C41801 P0C41802 
P0C41801 
P0C41801 P0C41802 
P0C41801 
P0C41802 
P0C41802 
P0P4250TP 
P0P4250TP 
P0P4250TP 
P0P4250TP 
P0C41501 P0C41502 
P0C41501 
P0C41501 P0C41502 
P0C41501 
P0C41502 
P0C41502 
P0R43401 P0R43402 
P0R43401 
P0R43401 P0R43402 
P0R43401 
P0R43402 
P0R43402 
P0P4190TP 
P0P4190TP 
P0P4190TP 
P0P4190TP 
P0P4200TP 
P0P4200TP 
P0P4200TP 
P0P4200TP 
P0P4210TP 
P0P4210TP 
P0P4210TP 
P0P4210TP 
P0P4220TP 
P0P4220TP 
P0P4220TP 
P0P4220TP 
P0C41602 
P0C41602 
P0C41601  P0C41602 
P0C41601 
P0C41601  P0C41602 
P0C41601 
P0C41201 P0C41202 
P0C41201 
P0C41201 P0C41202 
P0C41201 
P0C41202 
P0C41202 
P0IC401010 
P0IC401010 
P0IC401010 
P0IC401010 
P0IC40109 
P0IC40109 
P0IC40109 
P0IC40109 
P0IC40107 
P0IC40107 
P0IC40107 
P0IC40107 
P0IC40108 
P0IC40108 
P0IC40108 
P0IC40108 
P0C41901 P0C41902 
P0C41901 
P0C41901 P0C41902 
P0C41901 
P0C41902 
P0C41902 
P0P4260TP 
P0P4260TP P0R44201 
P0P4260TP 
P0P4260TP P0R44201 
P0C41301  P0C41302 
P0C41301 
P0C41301  P0C41302 
P0C41301 
P0P4180TP 
P0P4180TP 
P0P4180TP 
P0P4180TP 
P0IC40101 
P0IC40105 
P0IC40101 
P0IC40105 
P0IC40101 
P0IC40105 
P0IC40101 
P0IC40105 
P0IC40104 
P0IC40104 
P0P4240TP 
P0P4240TP 
P0P4240TP 
P0P4240TP 
P0R44201  P0R44202 
P0R44201  P0R44202 
P0R44202 
P0R44202 
P0R43901  P0R43902 
P0R43901 
P0R43901  P0R43902 
P0R43901 
P0R43902 
P0R43902 
P0IC40103 
P0IC40103 
P0IC40103 
P0IC40103 
P0P4170TP 
P0R44301  P0R44302 
P0C41302 P0P4170TP P0R44301 
P0P4170TP 
P0R44301  P0R44302 
P0C41302 P0P4170TP P0R44301 
P0R44302 
P0R44302 
P0R42801 P0R42802 
P0R42801 
P0R42801 P0R42802 
P0R42801 
P0R42802 
P0R42802 
P0P4230TP 
P0P4230TP 
P0P4230TP 
P0P4230TP 
P0C42001 P0C42002 
P0C42001 
P0C42001 P0C42002 
P0C42001 
P0R42901 P0R42902 
P0R42901 
P0R42901 P0R42902 
P0R42901 
P0R42902 
P0R42902 
P0R43101 P0R43102 
P0R43101 
P0R43101 P0R43102 
P0R43101 
P0R43102 P0RTH40001 
P0R43102 P0RTH40001 
P0RTH40001 P0RTH40002 
P0RTH40001 P0RTH40002 
P0RTH40002 
P0RTH40002 
P0C42101 P0C42102 
P0C42101 
P0C42101 P0C42102 
P0C42101 
P0C42102 
P0C42102 

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 Pre Amp_3.0.SchDoc
AMP002 Input Select Tone & Vol
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
4 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
IN31
1
IN32
2
IN41
3
IN42
4
IN51
5
IN52
6
IN61
7
IN62
8
IN71
9
IN72
10
IN81
11
IN82
12
INDVDSR
13
INDVDSL
14
INDVDC
15
INDVDSW
16
OUT2(+)
17
OUT2(-)
18
OUT1(+)
19
OUT1(-)
20
IN1DSP
21
IN1MIX
22
IN2DSP
23
IN2MIX
24
INDSPSR
25
INDSPSL
26
INDSPC
27
INDSPSW
28
AGND1
29
GOUTSW
30
VINSW
31
AGND2
32
GOUTC
33
VINC
34
OUTSW
35
OUTC
36
OUTSL
37
OUTSR
38
VINSL
39
GOUTSL
40
AGND3
41
VINSR
42
GOUTSR
43
AGND4
44
DGND
45
DA
46
CLK
47
MUTE
48
AGND5
49
VEE
50
AGND6
51
VCC
52
AGND753AGND8
54
OUT1
55
BBNF1
56
OUT2
57
BBNF2
58
BNF22
59
BNF12
60
BNF21
61
BNF11
62
TNF1
63
TNF2
64
VIN1
65
GOUT1
66
AGND9
67
VIN2
68
GOUT2
69
AGND10
70
ROUT11
71
ROUT12
72
ROUT21
73
ROUT22
74
ROUT31
75
ROUT32
76
IN11
77
IN12
78
IN21
79
IN22
80
IC500 
BD3811K1
0W125
R500
100R
0W125
R501
100R
100V 
0805
C500 
470P
100V 
0805
C501 
470P
0VPRE
AV INPUT L
AV INPUT R
AV INPUT
50V 
RX
C510 
10UF
50V 
0805
C511 
100N
50V 
RX
C528
10UF 
50V 
0805
C529 
100N
0VPRE
0VPRE
+VPRE
-VPRE
10V 
YXF
C530
100UF
10V 
YXF
C531
100UF
0VPRE
0VD
0VPRE
0VPRE
0VPRE
0VPRE
PRE EQ R
PRE EQ L
PVR REC OUT
AV REC OUT
AV REC OUT L
AV REC OUT R
PVR REC OUT L
PVR REC OUT R
PREAMP CLK
PREAMP DATA
PRE AMP MUTE
NOTE: Be carefull of crosstalk on these lines
Mute is active high
0VPRE
PA IN R
PA IN L
50V 
0805
C518 
2N2
50V 
0805
C519 
2N2
0W125
R505
100R
0W125
R507
100R
0W125
R511
100R
0W125
R513
100R
0VPRE
0W125
R508 
47K
0W125
R509 
47K
0W125
R515 
47K
0W125
R514 
47K
0W125
R502 
47K
0W125
R503 
47K
10V
C502
10uF
10V
C503
10uF
10V
C506
10uF
10V
C507
10uF
0W125
R527 
10K
0W125
R528 
10K
IN31 
IN32 
IN41 
IN42 
IN51 
IN52 
IN61 
IN62
AV REC OUT 1
AV REC OUT 2
PVR REC OUT 1
PVR REC OUT 2
AV INPUT 1
AV INPUT 2
IN71 
IN72
25V
C520 
100N
25V
C521 
100N
25V
C522 
100N
25V
C523 
100N
0W125
R531 
10K
0W125
R532 
10K
0W125
R533 
0R0
0W125
R534 
0R0
0VPRE
NF
P500
P501
P528
P530
P529
P531
P523
P522
P521
P520
P519
P518
P524 P525
P512
P509
P506
P503 P504
P507
P510
P513
P532 
P533
P534
FRONT INPUT L
FRONT INPUT R
AUX INPUT
PHONO INPUT
PHONO INPUT L
PHONO INPUT R
100V 
0805
C527 
470P
0VPRE
PVR INPUT L
PVR INPUT R
PVR INPUT
0W125
R529
100R
0W125
R530
100R
100V 
0805
C526 
470P
P526
P527
0W125
R522
100R
0W125
R523
100R
100V 
0805
C516 
470P
100V 
0805
C517 
470P
0VPRE
TUNER INPUT L
TUNER INPUT R
TUNER INPUT
P516
P517
SAT INPUT
0W125
R504
100R
0W125
R506
100R
100V 
0805
C504 
470P
100V 
0805
C505 
470P
0VPRE
SAT INPUT L
SAT INPUT R
P502
P505
0W125
R510
100R
0W125
R512
100R
100V 
0805
C508 
470P
100V 
0805
C509 
470P
0VPRE
DVD INPUT L
DVD INPUT R
DVD INPUT
P508
P511
0W125
R516
100R
0W125
R518
100R
100V 
0805
C514 
470P
100V 
0805
C515 
470P
0VPRE
CD INPUT L
CD INPUT R
CD INPUT
P514
P515
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
QTY DESCRIPTIONPART No. NOTESITEM
Ferrite Disk - This part is RoHS compliant.F243 Place on top of preamp IC IC500ITEM500
1
Pad Damping 15x6x3MM RubberE827AP Place across top of capacitors C510-C528; across top & bottom side of C530-C531ITEM501 3
08_E083 MSN 22/04/08 Added ITEM500, ITEM501; changed C510, C528 1.1
Apply two damping pads to these capacitors
One pad across top of capacitors and one pad across lower right-hand side
08_E099 MSN 09/05/08 Changed C510, C528; increased quantity of ITEM501 1.2
08_E202 MSN 26/11/2008 None to this sheet 3.0
P0R50001  P0R50002 
P0R50001 
P0R50001  P0R50002 
P0R50001 
P0R50101  P0R50102 
P0R50101 
P0R50101  P0R50102 
P0R50101 
P0C50001 P0C50002 
P0C50001 
P0C50001 P0C50002 
P0C50001 
P0C50002 
P0C50002 
P0C50101 P0C50102 
P0C50101 
P0C50101 P0C50102 
P0C50101 
P0C50102 
P0C50102 
P0P5000TP 
P0P5000TP P0R50002 
P0P5000TP 
P0P5000TP P0R50002 
P0P5010TP 
P0P5010TP P0R50102 
P0P5010TP 
P0P5010TP P0R50102 
P0R50201 P0R50202 
P0R50201 
P0R50201 P0R50202 
P0R50201 
P0R50202 
P0R50202 
P0R50301 P0R50302 
P0R50301 
P0R50301 P0R50302 
P0R50301 
P0R50302 
P0R50302 
N0AV INPUT 1 
N0AV INPUT 1 
N0AV INPUT 2 
N0AV INPUT 2 
P0R52901  P0R52902 
P0R52901 
P0R52901  P0R52902 
P0R52901 
P0R53001  P0R53002 
P0R53001 
P0R53001  P0R53002 
P0R53001 
P0R52201 
P0R52201 
P0R52201  P0R52202 
P0R52201  P0R52202 
P0R52301 
P0R52301 
P0R52301  P0R52302 
P0R52301  P0R52302 
P0R50401 
P0R50401 
P0R50401  P0R50402 
P0R50401  P0R50402 
P0R50601 
P0R50601 
P0R50601  P0R50602 
P0R50601  P0R50602 
P0R51001 
P0R51001 
P0R51001  P0R51002 
P0R51001  P0R51002 
P0R51201 
P0R51201 
P0R51201  P0R51202 
P0R51201  P0R51202 
P0C52601 P0C52602 
P0C52601 
P0C52601 P0C52602 
P0C52601 
P0C52602 
P0C52602 
P0C51601 P0C51602 
P0C51601 
P0C51601 P0C51602 
P0C51601 
P0C51602 
P0C51602 
P0C50401 P0C50402 
P0C50401 
P0C50401 P0C50402 
P0C50401 
P0C50402 
P0C50402 
P0C50801 P0C50802 
P0C50801 
P0C50801 P0C50802 
P0C50801 
P0C50802 
P0C50802 
P0C52701 P0C52702 
P0C52701 
P0C52701 P0C52702 
P0C52701 
P0C52702 
P0C52702 
P0C51701 P0C51702 
P0C51701 
P0C51701 P0C51702 
P0C51701 
P0C51702 
P0C51702 
P0C50501 P0C50502 
P0C50501 
P0C50501 P0C50502 
P0C50501 
P0C50502 
P0C50502 
P0C50901 P0C50902 
P0C50901 
P0C50901 P0C50902 
P0C50901 
P0C50902 
P0C50902 
P0P5260TP 
P0P5260TP 
P0P5260TP P0R52902 
P0P5260TP P0R52902 
P0P5270TP 
P0P5270TP 
P0P5270TP P0R53002 
P0P5270TP P0R53002 
P0P5160TP 
P0P5160TP 
P0P5160TP P0R52202 
P0P5160TP P0R52202 
P0P5170TP 
P0P5170TP 
P0P5170TP P0R52302 
P0P5170TP P0R52302 
P0P5020TP 
P0P5020TP 
P0P5020TP P0R50402 
P0P5020TP P0R50402 
P0P5050TP 
P0P5050TP 
P0P5050TP P0R50602 
P0P5050TP P0R50602 
P0P5080TP 
P0P5080TP 
P0P5080TP P0R51002 
P0P5080TP P0R51002 
P0P5110TP 
P0P5110TP 
P0P5110TP P0R51202 
P0P5110TP P0R51202 
N0IN31 
N0IN31 
N0IN32 
N0IN32 
N0IN41 
N0IN41 
N0IN42 
N0IN42 
N0IN51 
N0IN51 
N0IN52 
N0IN52 
N0IN61 
N0IN61 
N0IN62 
N0IN62 
N0IN71 
N0IN71 
N0IN72 
N0IN72 
P0IC500077 
P0IC500077 
P0IC500077 
P0IC500077 
P0IC500078 
P0IC500078 
P0IC500078 
P0IC500078 
P0IC500079 
P0IC500079 
P0IC500079 
P0IC500079 
P0IC500080 
P0IC500080 
P0IC500080 
P0IC500080 
P0IC50001 
P0IC50001 
P0IC50001 
P0IC50001 
P0IC50002 
P0IC50002 
P0IC50002 
P0IC50002 
P0IC50003 
P0IC50003 
P0IC50003 
P0IC50003 
P0IC50004 
P0IC50004 
P0IC50004 
P0IC50004 
P0IC50005 
P0IC50005 
P0IC50005 
P0IC50005 
P0IC50006 
P0IC50006 
P0IC50006 
P0IC50006 
P0IC50007 
P0IC50007 
P0IC50007 
P0IC50007 
P0IC50008 
P0IC50008 
P0IC50008 
P0IC50008 
P0IC50009 
P0IC50009 
P0IC50009 
P0IC50009 
P0IC500010 
P0IC500010 
P0IC500010 
P0IC500010 
P0IC500011 
P0IC500011 
P0IC500011 
P0IC500011 
P0IC500012 
P0IC500012 
P0IC500012 
P0IC500012 
P0IC500065 
P0IC500065 
P0IC500065 
P0IC500065 
P0IC500068 
P0IC500068 
P0IC500068 
P0IC500068 
P0IC500013 
P0IC500013 
P0IC500013 
P0IC500013 
P0IC500014 
P0IC500014 
P0IC500014 
P0IC500014 
P0IC500015 
P0IC500015 
P0IC500015 
P0IC500015 
P0IC500016 
P0IC500016 
P0IC500016 
P0IC500016 
P0IC500022 
P0IC500022 
P0IC500022 
P0IC500022 
P0IC500024 
P0IC500024 
P0IC500024 
P0IC500024 
P0IC500021 
P0IC500021 
P0IC500021 
P0IC500021 
P0IC500023 
P0IC500023 
P0IC500023 
P0IC500023 
P0IC500025 
P0IC500025 
P0IC500025 
P0IC500025 
P0IC500026 
P0IC500026 
P0IC500026 
P0IC500026 
P0IC500027 
P0IC500027 
P0IC500027 
P0IC500027 
P0IC500028 
P0IC500028 
P0IC500028 
P0IC500028 
P0C51001 P0C51002 
P0C51001 
P0C51001 P0C51002 
P0C51001 
P0C51002 
P0C51002 
P0C51101 P0C51102 
P0C51101 
P0C51101 P0C51102 
P0C51101 
P0C51102 
P0C51102 
P0IC500052 
P0IC500052 
P0IC500052 
P0IC500052 
P0IC500071 
P0IC500071 
P0IC500071 
P0IC500071 
P0IC500072 
P0IC500072 
P0IC500072 
P0IC500072 
P0IC500073 
P0IC500073 
P0IC500073 
P0IC500073 
P0IC500074 
P0IC500074 
P0IC500074 
P0IC500074 
P0IC500075 
P0IC500075 
P0IC500075 
P0IC500075 
P0IC500076 
P0IC500076 
P0IC500076 
P0IC500076 
P0IC500019 
P0IC500019 
P0IC500019 
P0IC500019 
P0IC500017 
P0IC500017 
P0IC500017 
P0IC500017 
P0IC500040 
P0IC500040 
P0IC500040 
P0IC500040 
P0IC500043 
P0IC500043 
P0IC500043 
P0IC500043 
P0IC500030 
P0IC500030 
P0IC500030 
P0IC500030 
P0IC500020 
P0IC500020 
P0IC500020 
P0IC500020 
P0IC500018 
P0IC500018 
P0IC500018 
P0IC500018 
P0IC500055 
P0IC500055 
P0IC500055 
P0IC500055 
P0IC500057 
P0IC500057 
P0IC500057 
P0IC500057 
P0IC500056 
P0IC500056 
P0IC500056 
P0IC500056 
P0IC500058 
P0IC500058 
P0IC500058 
P0IC500058 
P0IC500062 
P0IC500062 
P0IC500062 
P0IC500062 
P0IC500060 
P0IC500060 
P0IC500060 
P0IC500060 
P0IC500061 
P0IC500061 
P0IC500061 
P0IC500061 
P0IC500059 
P0IC500059 
P0IC500059 
P0IC500059 
P0IC500063 
P0IC500063 
P0IC500063 
P0IC500063 
P0IC500064 
P0IC500064 
P0IC500064 
P0IC500064 
P0IC500066 
P0IC500066 
P0IC500066 
P0IC500066 
P0IC500069 
P0IC500069 
P0IC500069 
P0IC500069 
P0IC500033 
P0IC500033 
P0IC500033 
P0IC500033 
P0P5320TP 
P0P5320TP 
P0P5320TP 
P0P5320TP 
P0P5330TP 
P0P5330TP 
P0P5330TP 
P0P5330TP 
P0P5180TP 
P0P5180TP 
P0P5180TP 
P0P5180TP 
P0P5190TP 
P0P5190TP 
P0P5190TP 
P0P5190TP 
P0P5200TP 
P0P5200TP 
P0P5200TP 
P0P5200TP 
P0P5210TP 
P0P5210TP 
P0P5210TP 
P0P5210TP 
P0P5220TP 
P0P5220TP 
P0P5220TP 
P0P5220TP 
P0P5230TP 
P0P5230TP 
P0P5230TP 
P0P5230TP 
P0C51801 P0C51802 
P0C51801 
P0C51801 P0C51802 
P0C51801 
P0C51802 
P0C51802 
N0AV REC OUT 1 
P0P5030TP  P0P5040TP 
P0P5030TP 
P0P5030TP  P0P5040TP 
P0P5030TP 
N0AV REC OUT 1 
P0C50201  P0C50202 
P0C50201 
P0C50201  P0C50202 
P0C50201 
P0C50202  P0P5040TP  P0R50501 
P0C50202  P0P5040TP  P0R50501 
N0AV REC OUT 2 
P0P5060TP  P0P5070TP 
P0P5060TP 
P0P5060TP  P0P5070TP 
P0P5060TP 
N0AV REC OUT 2 
P0C50301  P0C50302 
P0C50301 
P0C50301  P0C50302 
P0C50301 
P0C50302  P0P5070TP  P0R50701 
P0C50302  P0P5070TP  P0R50701 
P0R50801 P0R50802 
P0R50801 
P0R50801 P0R50802 
P0R50801 
P0R50802 
P0R50802 
N0PVR REC OUT 1 
P0P5090TP  P0P5100TP 
P0P5090TP 
P0P5090TP  P0P5100TP 
P0P5090TP 
N0PVR REC OUT 1 
P0C50601  P0C50602 
P0C50601 
P0C50601  P0C50602 
P0C50601 
P0C50602  P0P5100TP  P0R51101 
P0C50602  P0P5100TP  P0R51101 
N0PVR REC OUT 2 
P0P5120TP  P0P5130TP 
P0P5120TP 
P0P5120TP  P0P5130TP 
P0P5120TP 
N0PVR REC OUT 2 
P0C50701  P0C50702 
P0C50701 
P0C50701  P0C50702 
P0C50701 
P0C50702  P0P5130TP  P0R51301 
P0C50702  P0P5130TP  P0R51301 
P0R51401 P0R51402 
P0R51401 
P0R51401 P0R51402 
P0R51401 
P0R51402 
P0R51402 
P0C51901 P0C51902 
P0C51901 
P0C51901 P0C51902 
P0C51901 
P0C51902 
P0C51902 
P0C52001 P0C52002 
P0C52001 
P0C52001 P0C52002 
P0C52001 
P0C52002 
P0C52002 
P0P5240TP  P0P5250TP 
P0P5240TP  P0P5250TP 
P0P5240TP 
P0P5240TP 
P0C52101 P0C52102 
P0C52101 P0C52102 
P0C52102 
P0C52102 
P0R52701 P0R52702 
P0R52701  P0C52101 
P0R52701 P0R52702 
P0R52701  P0C52101 
P0C52201 P0C52202 
P0C52201 
P0C52201 P0C52202 
P0C52201 
P0C52202 
P0C52202 
P0P5250TP 
P0P5250TP 
P0R52702 
P0R52702 
P0C52301 P0C52302 
P0C52301 P0C52302 
P0C52302 
P0C52302 
P0R52801 P0R52802 
P0R52801  P0C52301 
P0R52801 P0R52802 
P0R52801  P0C52301 
P0R52802 
P0R52802 
P0R50901 P0R50902 
P0R50901 
P0R50901 P0R50902 
P0R50901 
P0R50902 
P0R50902 
P0R51501 P0R51502 
P0R51501 
P0R51501 P0R51502 
P0R51501 
P0R51502 
P0R51502 
P0R50502 
P0R50501  P0R50502 
P0R50501  P0R50502 
P0R50502 
P0R50702 
P0R50701  P0R50702 
P0R50701  P0R50702 
P0R50702 
P0R51102 
P0R51101  P0R51102 
P0R51101  P0R51102 
P0R51102 
P0R51302 
P0R51301  P0R51302 
P0R51301  P0R51302 
P0R51302 
P0R51601 
P0R51601 
P0R51601  P0R51602 
P0R51601  P0R51602 
P0R51801 
P0R51801 
P0R51801  P0R51802 
P0R51801  P0R51802 
P0C51401 P0C51402 
P0C51401 
P0C51401 P0C51402 
P0C51401 
P0C51402 
P0C51402 
P0C51501 P0C51502 
P0C51501 
P0C51501 P0C51502 
P0C51501 
P0C51502 
P0C51502 
P0P5140TP 
P0P5140TP 
P0P5140TP P0R51602 
P0P5140TP P0R51602 
P0P5150TP 
P0P5150TP 
P0P5150TP P0R51802 
P0P5150TP P0R51802 
P0IC500034 
P0IC500034 
P0IC500034 
P0IC500034 
P0IC500039 
P0IC500039 
P0IC500039 
P0IC500039 
P0IC500042 
P0IC500042 
P0IC500042 
P0IC500042 
P0IC500031 
P0IC500031 
P0IC500031 
P0IC500031 
P0IC500047 
P0IC500047 
P0IC500047 
P0IC500047 
P0IC500046 
P0IC500046 
P0IC500046 
P0IC500046 
P0IC500048 
P0IC500048 
P0IC500048 
P0IC500048 
P0R53201 P0R53202 P0R53301 P0R53302 
P0R53201 
P0R53201 P0R53202 P0R53301 P0R53302 
P0R53201 
P0R53202 P0R53301 
P0R53202 P0R53301 
P0R53302 
P0R53302 
P0R53101 P0R53102 
P0R53101 
P0R53101 P0R53102 
P0R53101 
P0R53102 
P0R53102 
P0R53401 P0R53402 
P0R53401 
P0R53401 P0R53402 
P0R53401 
P0R53402 
P0R53402 
P0P5340TP 
P0P5340TP 
P0P5340TP 
P0P5340TP 
P0IC500045 
P0IC500045 
P0IC500045 
P0IC500045 
P0P5280TP  P0P5290TP 
P0P5280TP  P0P5290TP 
P0P5280TP 
P0P5280TP 
P0P5300TP  P0P5310TP 
P0P5300TP  P0P5310TP 
P0P5300TP 
P0P5300TP 
P0IC500070 
P0IC500070 
P0IC500070 
P0IC500070 
P0IC500054 
P0IC500067 
P0IC500054 
P0IC500067 
P0IC500054 
P0IC500067 
P0IC500054 
P0IC500067 
P0C53002 
P0C53002 
P0C53102 
P0C53102 
P0IC500051 
P0IC500053 
P0IC500051 
P0IC500053 
P0IC500051 
P0IC500053 
P0IC500051 
P0IC500053 
P0IC500044 
P0IC500049 
P0IC500044 
P0IC500049 
P0IC500044 
P0IC500049 
P0IC500044 
P0IC500049 
P0C53001 P0C53002 
P0C53001 
P0C53001 P0C53002 
P0C53001 
P0C53101 P0C53102 
P0C53101 
P0C53101 P0C53102 
P0C53101 
P0IC500032 
P0IC500041 
P0IC500032 
P0IC500041 
P0IC500032 
P0IC500041 
P0IC500032 
P0IC500041 
P0IC500029 
P0IC500029 
P0IC500029 
P0IC500029 
P0IC500050 
P0IC500050 
P0IC500050 
P0IC500050 
P0C52901 P0C52902 
P0C52901 
P0C52901 P0C52902 
P0C52901 
P0C52902 
P0C52902 
P0P5290TP 
P0P5290TP 
P0P5310TP 
P0P5310TP 
P0IC500036 
P0IC500036 
P0IC500036 
P0IC500036 
P0IC500037 
P0IC500037 
P0IC500037 
P0IC500037 
P0IC500038 
P0IC500038 
P0IC500038 
P0IC500038 
P0IC500035 
P0IC500035 
P0IC500035 
P0IC500035 
P0C52802 
P0C52802 
P0C52801  P0C52802 
P0C52801 
P0C52801  P0C52802 
P0C52801 
N0PRE EQ L 
N0PRE EQ R 
N0PRE EQ L 
N0PRE EQ R 

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 Front Panel Micro_3.0.SchDoc
AMP002 Micro
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
5 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
FP DC OFFSET
FP AC PRESENT
FP PREAMP CLK
FP PREAMP DATA
FP PWR AMP MUTE
FP TEMP SENSE
+VFP
0VFP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
52044
CON600
MOLEX
FP HP GND
FP FRONT INPUT L
FP FRONT INPUT R
FP PREAMP DATA
FP PREAMP CLK
FP ENC PHASE B 
FP ENC PHASE A
FP FRONT IR
FP HP DETECT
FP DC OFFSET
FP AC PRESENT
50V 
0805
C601 
100N
50V 
0805
C600 
100N
FP PWR AMP MUTE
0VFP
FP HP OUT L
FP HP OUT R
FP FIL1 
FP FIL2
FP VFD_SDO
FP VFD_SDATA
FP VFD_SCLK
FP VFD_CS
FP OUTPUT MUTE
FP FRONT INPUT GND
FP OUTPUT MUTE
FP -VFD
FP TEMP SENSE
A0
1
A1
2
A2
3
SDA
5
SCL
6
WP
7
IC601A
24C02
0W125
R600 
10K
+VFP
0VFP
0VFP
GND
4
VCC
8
IC601B
24C02
50V 
0805
C602 
100N
0VFP
+VFP
0VFP
10V
C603 
10uF
0VFP
1 
2 
3 
4 
5 
6
SPOX
CON601
MOLEX
+VFP
0VFP
FP PRE AMP MUTE
FP PRE AMP MUTE
P600
P601 
P602 
P603
P625 
P627
P624
P616
P608
P605
P606
P607
P609
P610 
P611 
P612 
P613 
P614 
P615 
P617 
P618 
P619 
P620
P621 
P622 
P623
P604
2
13
X600
8.00MHz
0W125
R601 
4K7
0W125
R602 
4K7
+VFP
VCC
RST
GND
IC202 
LM809M3-4.38
+VFP
0VFP
P628
P629
0VFP
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
P04/INT24
1
P05/INT25
2
P06/INT26
3
P07/INT27
4
P60
5
P61
6
RST
7
X0
8
X1
9
VSS
10
P37/BZ/PPG
11
P36/INT12
12
P35/INT11
13
P34/TO/INT10
14
P33/EC
15
C
17
P32/UI/SI
18
P31/UO/SO
19
P30/UCK/SCK
20
P50/PWM
21
P70
23
P71
24
P72
25
P40/AN0
26
P41/AN1
27
P42/AN2
28
P43/AN3
29
P00/INT20/AN4
30
P01/INT21/AN5
31
P02/INT22/AN6
32
P03/INT23/AN7
33
VCC
34
IC600
MB89F202YPFV-G-SPE1
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
08_E083 MSN 22/04/08 BOM changes, No changes to this sheet 1.1
08_E099 MSN 09/05/08 Added ferrite plate to micro 1.2
Ferrite Plate 8x8x2mmF310ITEM600 1 Place on top of IC600
Place ferrite plate on top of IC600
08_E202 MSN 26/11/2008 None to this sheet 3.0
P0X60002 
P0X60002 
P0X60002 
P0X60002 
P0IC2020VCC 
P0IC2020VCC 
P0IC2020VCC 
P0IC2020VCC 
P0IC2020GND 
P0IC2020GND 
P0IC2020GND 
P0IC2020GND 
P0C60301 P0C60302 
P0C60301 
P0C60301 P0C60302 
P0C60301 
P0C60302 
P0C60302 
P0X60001 
P0X60001 
P0X60001 
P0X60001 
P0X60003 
P0X60003 
P0X60003 
P0X60003 
P0IC2020RST* 
P0IC2020RST* 
P0IC2020RST* 
P0IC2020RST* 
P0C60001 P0C60002 
P0C60001 
P0C60001 P0C60002 
P0C60001 
P0C60002 
P0C60002 
P0P6000TP 
P0P6000TP 
P0P6000TP 
P0P6000TP 
P0CON60101 
P0CON60101 
P0CON60101 
P0CON60101 
P0CON60102 
P0CON60102 
P0CON60102 
P0CON60102 
P0CON60103 
P0CON60103 
P0CON60103 
P0CON60103 
P0CON60104 
P0CON60104 
P0CON60104 
P0CON60104 
P0CON60105 
P0CON60105 
P0CON60105 
P0CON60105 
P0CON60106 
P0CON60106 
P0CON60106 
P0CON60106 
P0P6010TP 
P0P6010TP 
P0P6010TP 
P0P6010TP 
P0P6020TP 
P0P6020TP 
P0P6020TP 
P0P6020TP 
P0P6030TP 
P0P6030TP 
P0P6030TP 
P0P6030TP 
P0IC600030 
P0IC600030 
P0IC600030 
P0IC600034 
P0IC600034 
P0IC600034 
P0IC600034 
P0R60001 P0R60002 
P0R60001 
P0R60001 P0R60002 
P0R60001 
P0R60002 
P0R60002 
P0P6080TP 
P0P6080TP 
P0P6080TP 
P0P6080TP 
P0P6160TP  P0P6170TP 
P0P6160TP  P0P6170TP 
P0P6160TP 
P0P6160TP 
P0P6240TP 
P0P6240TP 
P0P6240TP 
P0P6240TP 
P0C60101 P0C60102 
P0C60101 
P0C60101 P0C60102 
P0C60101 
P0IC60008 
P0IC60008 
P0IC60008 
P0IC60008 
P0IC60009 
P0IC60009 
P0IC60009 
P0IC60009 
P0IC600017 
P0IC600017 
P0IC600017 
P0IC600017 
P0IC60007 
P0IC60007 
P0IC60007 
P0IC60007 
P0C60102 
P0C60102 
P0IC600010 
P0IC600010 
P0IC600010 
P0IC600010 
P0IC600030 
P0IC600031 
P0IC600031 
P0IC600031 
P0IC600031 
P0IC600032 
P0IC600032 
P0IC600032 
P0IC600032 
P0IC600033 
P0IC600033 
P0IC600033 
P0IC600033 
P0IC60001 
P0IC60001 
P0IC60001 
P0IC60001 
P0IC60002 
P0IC60002 
P0IC60002 
P0IC60002 
P0IC60003 
P0IC60003 
P0IC60003 
P0IC60003 
P0IC60004 
P0IC60004 
P0IC60004 
P0IC60004 
P0IC600020 
P0IC600020 
P0IC600020 
P0IC600020 
P0IC600019 
P0IC600019 
P0IC600019 
P0IC600019 
P0IC600018 
P0IC600018 
P0IC600018 
P0IC600018 
P0IC600015 
P0IC600015 
P0IC600015 
P0IC600014 
P0IC600014 
P0IC600014 
P0IC600014 
P0IC600013 
P0IC600013 
P0IC600013 
P0IC600013 
P0IC600012 
P0IC600012 
P0IC600012 
P0IC600012 
P0IC600011 
P0IC600011 
P0IC600011 
P0IC600011 
P0IC600015 
P0IC600026 
P0IC600026 
P0IC600026 
P0IC600026 
P0IC600027 
P0IC600027 
P0IC600027 
P0IC600027 
P0IC600028 
P0IC600028 
P0IC600028 
P0IC600028 
P0IC600029 
P0IC600029 
P0IC600029 
P0IC600029 
P0IC600021 
P0IC600021 
P0IC600021 
P0IC600021 
P0IC60005 
P0IC60005 
P0IC60005 
P0IC60005 
P0IC60006 
P0IC60006 
P0IC60006 
P0IC60006 
P0IC600023 
P0IC600023 
P0IC600023 
P0IC600023 
P0IC600024 
P0IC600024 
P0IC600024 
P0IC600024 
P0IC600025 
P0IC600025 
P0IC600025 
P0IC600025 
P0P6090TP 
P0P6090TP 
P0P6090TP 
P0P6090TP 
P0P6250TP 
P0P6250TP 
P0P6250TP 
P0P6250TP 
P0P6270TP 
P0P6270TP 
P0P6270TP 
P0P6270TP 
P0P6280TP 
P0P6280TP 
P0P6280TP 
P0P6280TP 
P0P6290TP 
P0P6290TP 
P0P6290TP 
P0P6290TP 
P0R60101 P0R60102 
P0R60101 
P0R60101 P0R60102 
P0R60101 
P0R60102 
P0R60102 
P0R60201 P0R60202 
P0R60201 
P0R60201 P0R60202 
P0R60201 
P0R60202 
P0R60202 
P0IC601A07 
P0IC601A07 
P0IC601A07 
P0IC601A07 
P0IC601A06 
P0IC601A06 
P0IC601A06 
P0IC601A06 
P0IC601A05 
P0IC601A05 
P0IC601A05 
P0IC601A05 
P0IC601A01 
P0IC601A01 
P0IC601A01 
P0IC601A01 
P0IC601A02 
P0IC601A02 
P0IC601A02 
P0IC601A02 
P0IC601A03 
P0IC601A03 
P0IC601A03 
P0IC601A03 
P0P6050TP 
P0P6050TP 
P0P6050TP 
P0P6050TP 
P0P6070TP 
P0P6070TP 
P0P6070TP 
P0P6070TP 
P0P6100TP 
P0P6100TP 
P0P6100TP 
P0P6100TP 
P0P6110TP 
P0P6110TP 
P0P6110TP 
P0P6110TP 
P0P6120TP 
P0P6120TP 
P0P6120TP 
P0P6120TP 
P0P6130TP 
P0P6130TP 
P0P6130TP 
P0P6130TP 
P0P6140TP 
P0P6140TP 
P0P6140TP 
P0P6140TP 
P0P6150TP 
P0P6150TP 
P0P6150TP 
P0P6150TP 
P0P6170TP 
P0P6170TP 
P0P6180TP 
P0P6180TP 
P0P6180TP 
P0P6180TP 
P0P6190TP 
P0P6190TP 
P0P6190TP 
P0P6190TP 
P0P6200TP 
P0P6200TP 
P0P6200TP 
P0P6200TP 
P0P6210TP 
P0P6210TP 
P0P6210TP 
P0P6210TP 
P0P6220TP 
P0P6220TP 
P0P6220TP 
P0P6220TP 
P0P6230TP 
P0P6230TP 
P0P6230TP 
P0P6230TP 
P0P6060TP 
P0P6060TP 
P0P6060TP 
P0P6060TP 
P0P6040TP 
P0P6040TP 
P0P6040TP 
P0P6040TP 
P0CON600022 
P0CON600022 
P0CON600022 
P0CON600022 
P0CON600021 
P0CON600021 
P0CON600021 
P0CON600021 
P0CON600020 
P0CON600020 
P0CON600020 
P0CON600020 
P0CON600019 
P0CON600019 
P0CON600019 
P0CON600019 
P0CON600018 
P0CON600018 
P0CON600018 
P0CON600018 
P0CON600017 
P0CON600017 
P0CON600017 
P0CON600017 
P0CON600016 
P0CON600016 
P0CON600016 
P0CON600016 
P0CON600015 
P0CON600015 
P0CON600015 
P0CON600015 
P0CON600014 
P0CON600014 
P0CON600014 
P0CON600014 
P0CON600013 
P0CON600013 
P0CON600013 
P0CON600013 
P0CON600012 
P0CON600012 
P0CON600012 
P0CON600012 
P0CON600011 
P0CON600011 
P0CON600011 
P0CON600011 
P0CON600010 
P0CON600010 
P0CON600010 
P0CON600010 
P0CON60009 
P0CON60009 
P0CON60009 
P0CON60009 
P0CON60008 
P0CON60008 
P0CON60008 
P0CON60008 
P0CON60007 
P0CON60007 
P0CON60007 
P0CON60007 
P0CON60006 
P0CON60006 
P0CON60006 
P0CON60006 
P0CON60005 
P0CON60005 
P0CON60005 
P0CON60005 
P0CON60004 
P0CON60004 
P0CON60004 
P0CON60004 
P0CON60003 
P0CON60003 
P0CON60003 
P0CON60003 
P0CON60002 
P0CON60002 
P0CON60002 
P0CON60002 
P0CON60001 
P0CON60001 
P0CON60001 
P0CON60001 
P0IC601B08 
P0IC601B08 
P0IC601B08 
P0IC601B08 
P0IC601B04 
P0IC601B04 
P0IC601B04 
P0IC601B04 
P0C60201 P0C60202 
P0C60201 
P0C60201 P0C60202 
P0C60201 
P0C60202 
P0C60202 

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 PSU_3.0.SchDoc
AMP002 PSU
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
6 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
DBR700 
GBU8D
100V 
1206
C702 
100N
100V 
1206
C703 
100N
100V 
1206
C704 
100N
100V 
1206
C705 
100N
+VPRE
-VPRE
+HTL
-HTL
0V_HF_L
0V_LS_L 0V_IN_L
0V_HF_R
0V_LS_R 0V_IN_R
0VPRE
SP701
0VD
35V 
RX
C708 
47UF
35V 
RX
C711 
47UF
50V 
0805
C712 
100N
50V 
0805
C709 
100N
GREEN
LED700
SM 0805
GREEN
LED701
SM 0805
0W125
R702 
4K7
0W125
R703 
4K7
0VPRE
+HTL
-HTL
63V
C710
22UF
63V
C713
22UF
63V
C700 
3,300UF
63V
C701 
3,300UF
63V
C706 
3,300UF
63V
C707 
3,300UF
TR701 
BC847B
TR702 
BC857B
0W25
R701
3R3
0W25
R704
3R3
Work out max tolerance voltages
SP703 SP704
0W25
R705
100R
63V
C721 
22UF
-VFD
10V 
YXF
C714 
100UF
50V 
0805
C715 
100N
0W125
R707 
4K7
TR705 
BC847B
0W25
R706
3R3
Work out max tolerance voltages
+HTL +5VD
0VD
50V 
0805
C717
100N
FIL1
FIL2
ROUTE THESE NICE AND CLOSE TOGETHER
RES_GND
1
2
20.101M
CON701
IMO
1
2
3
20.101M
CON700
IMO
63V
C718 
22UF
63V
C719 
22UF
10V
C716 
10uF
4V7
DZ700 
BZX84C
0VD
AC PRESENT
D700 
BAV99
D701 
BAV99
0W125
R700 
47K
0W125
R709 
47K
0VD
0VEMC
HP GND
0VPO
0V_IN_L 0V_IN_R0VPRE
0W125
R721
0R0
0W125
R720
0R0
0VPRE is grounded at the main star point. 
There is a 'screening' trace running next to the power amp outputs.
These links are for experimenting with the grounding setup
NF
NF
0W125
R722
0R0
0W125
R723
0R0
P714P716
P717
P715
P711
P718
P719
P708 P709
P720
P713
P712
P710
P702
P700
P705
P701
P704
P703
P707
P721
P722
P723
P724
P725
P727
P730
P731
P732 P733
P734
0W25
R708 
3R3
TR700
TIP122FP
TR704
TIP122FP
TR703 
TIP32C
6V2
DZ703 
BZX84C
6V2
DZ702
BZX84C
6V2
DZ701
BZX84C
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
Cable Tie 100MM X 2.5MM - This part is RoHS compliant.F044 Thread through PCB slots and tie around transformer primary wires at CON700
ITEM700 1
Cable Tie 100MM X 2.5MM - This part is RoHS compliant.
F044
Thread through PCB slots and tie orange/black TX primary wires adjacent to CON100
ITEM701
1
Cable Tie 100MM X 2.5MM - This part is RoHS compliant.
F044
Thread through PCB slots and tie around purple TX secondary wires at  CON701
ITEM702 1
08_E083 MSN 22/04/08 Added ITEM700, ITEM701, ITEM702 1.1
Place damping pad on PCB adjacent to C704
Pad Damping 15x6x3MM RubberE827AP
ITEM704
1 Place on PCB adjacent to C704 aligned horizontally
08_E099 MSN 09/05/08 Added sound mods - C710, C713, C708, C711; damping pad 1.2
Small damping pad to be placed on PCB to the left of R722
QTY DESCRIPTIONPART No. NOTESITEM
Pad Damping 7.5x6x3MM Rubber
E828AP
ITEM703
3 Place on PCB to the left of R722, top of C718, top of C719
Place small damping pad on top of C718
Place small damping pad on top of C719
08_E202 MSN 26/11/2008 None to this sheet 3.0
P0CON70001 
P0CON70001 
P0CON70001 
P0CON70001 
P0CON70002 
P0CON70002 
P0CON70002 
P0CON70002 
P0CON70003 
P0CON70003 
P0CON70003 
P0CON70003 
P0CON70102 
P0CON70102 
P0CON70102 
P0CON70102 
P0CON70101 
P0CON70101 
P0CON70101 
P0CON70101 
P0P7070TP 
P0P7070TP 
P0P7070TP 
P0P7070TP 
P0R70802 
P0R70802 
P0R70801  P0R70802 
P0R70801 
P0R70801  P0R70802 
P0R70801 
P0P7030TP 
P0P7030TP 
P0P7030TP 
P0P7030TP 
P0SP7030STARPAD1 P0SP7030STARPAD2 
P0SP7030STARPAD1 
P0SP7030STARPAD1 P0SP7030STARPAD2 
P0SP7030STARPAD1 
P0P7320TP  P0P7330TP 
P0P7320TP 
P0P7320TP  P0P7330TP 
P0P7320TP 
P0SP7030STARPAD2 
P0SP7030STARPAD2 
P0SP7040STARPAD1 P0SP7040STARPAD2 
P0SP7040STARPAD1 
P0SP7040STARPAD1 P0SP7040STARPAD2 
P0SP7040STARPAD1 
P0P7330TP 
P0P7330TP 
P0SP7040STARPAD2 
P0SP7040STARPAD2 
P0P7010TP 
P0P7010TP 
P0P7010TP 
P0P7010TP 
P0C70201 P0C70202 
P0C70201 
P0C70201 P0C70202 
P0C70201 
P0C70202 P0C70401 
P0C70202 P0C70401 
P0C70401 P0C70402 
P0C70401 P0C70402 
P0DBR70000 
P0DBR70000 
P0DBR7000AC2 
P0DBR7000AC2 
P0DBR7000AC1  P0DBR7000AC2 
P0DBR7000AC1 
P0DBR7000AC1  P0DBR7000AC2 
P0DBR7000AC1 
P0DBR7000+ P0DBR70000 
P0DBR7000+ 
P0DBR7000+ P0DBR70000 
P0DBR7000+ 
P0C70402 
P0C70402 
P0P7040TP 
P0P7040TP 
P0P7040TP 
P0P7040TP 
P0C70301 P0C70302 
P0C70301 
P0C70301 P0C70302 
P0C70301 
P0C70302 P0C70501 
P0C70302 P0C70501 
P0C70501 P0C70502 
P0C70501 P0C70502 
P0C70502 
P0C70502 
P0C70001 P0C70002 
P0C70001 
P0C70001 P0C70002 
P0C70001 
P0C70002 
P0C70002 
P0C70601 P0C70602 
P0C70601 
P0C70601 P0C70602 
P0C70601 
P0C70602 
P0C70602 
P0C70101 P0C70102 
P0C70101 
P0C70101 P0C70102 
P0C70101 
P0C70102 
P0C70102 
P0C70701 P0C70702 P0C70801 P0C70802 
P0C70701 
P0C70701 P0C70702 P0C70801 P0C70802 
P0C70701 
P0C70702 
P0C70702 
P0P7230TP 
P0P7230TP 
P0P7230TP 
P0P7230TP 
P0R70501 
P0R70501 
P0R70501  P0R70502 
P0R70501  P0R70502 
P0SP7010STARPAD4 
P0SP7010STARPAD4 
P0SP7010STARPAD4 
P0SP7010STARPAD1 
P0SP7010STARPAD1 
P0SP7010STARPAD1 
P0SP7010STARPAD1 
P0SP7010STARPAD2 
P0SP7010STARPAD2 
P0SP7010STARPAD2 
P0SP7010STARPAD2 
P0SP7010STARPAD12 
P0SP7010STARPAD12 
P0SP7010STARPAD12 
P0SP7010STARPAD12 
P0SP7010STARPAD11 
P0SP7010STARPAD11 
P0SP7010STARPAD11 
P0SP7010STARPAD11 
P0SP7010STARPAD10 
P0SP7010STARPAD10 
P0SP7010STARPAD10 
P0SP7010STARPAD10 
P0SP7010STARPAD9 
P0SP7010STARPAD9 
P0SP7010STARPAD9 
P0SP7010STARPAD9 
P0P7310TP 
P0P7310TP 
P0P7310TP 
P0P7310TP 
P0P7220TP P0R70502 
P0P7220TP P0R70502 
P0P7220TP 
P0P7220TP 
P0P7300TP 
P0P7300TP 
P0P7300TP 
P0P7300TP 
P0P7240TP 
P0P7240TP 
P0P7240TP 
P0P7240TP 
P0SP7010STARPAD4 
P0SP7010STARPAD3 
P0SP7010STARPAD3 
P0SP7010STARPAD3 
P0SP7010STARPAD3 
P0SP7010STARPAD5 
P0SP7010STARPAD5 
P0SP7010STARPAD5 
P0SP7010STARPAD5 
P0SP7010STARPAD6 
P0SP7010STARPAD6 
P0SP7010STARPAD6 
P0SP7010STARPAD6 
P0SP7010STARPAD7 
P0SP7010STARPAD7 
P0SP7010STARPAD7 
P0SP7010STARPAD7 
P0SP7010STARPAD8 
P0SP7010STARPAD8 
P0SP7010STARPAD8 
P0SP7010STARPAD8 
P0R72301 
P0R72301 
P0R72301  P0R72302 
P0R72301  P0R72302 
P0P7250TP 
P0P7250TP 
P0P7250TP 
P0P7250TP 
P0R72302 
P0R72302 
P0P7340TP 
P0P7340TP 
P0P7340TP 
P0P7340TP 
P0C72102 
P0C72102 
P0C72101  P0C72102 
P0C72101 
P0C72101  P0C72102 
P0C72101 
P0P7210TP 
P0P7210TP 
P0R72201  P0R72202 
P0R72201  P0R72202 
P0R72202 
P0R72202 
P0P7210TP P0R72201 
P0P7210TP P0R72201 
P0P7270TP 
P0P7270TP 
P0P7270TP 
P0P7270TP 
P0D7000COM 
P0D7000COM 
P0D7000COM 
P0D7000COM 
P0D7010COM 
P0D7010COM 
P0D7010COM 
P0D7010COM 
P0R70001 P0R70002 
P0R70001 
P0R70001 P0R70002 
P0R70001 
P0R70002 
P0R70002 
P0P7000TP 
P0P7000TP 
P0P7000TP 
P0P7000TP 
P0D7000A 
P0D7000A 
P0D7000A 
P0D7000A 
P0D7000K P0D7010A 
P0D7000K P0D7010K 
P0D7000K P0D7010A 
P0D7000K P0D7010K 
P0D7010K 
P0D7010K 
P0D7010A 
P0D7010A 
P0P7050TP 
P0P7050TP 
P0P7050TP 
P0P7050TP 
P0R70901 P0R70902 
P0R70901 
P0R70901 P0R70902 
P0R70901 
P0R70902 
P0R70902 
P0P7020TP 
P0P7020TP 
P0P7020TP 
P0P7020TP 
P0DZ7000K 
P0DZ7000K 
P0DZ7000A  P0DZ7000K 
P0DZ7000A 
P0DZ7000A  P0DZ7000K 
P0DZ7000A 
P0C71701  P0C71702 
P0C71701 
P0C71701  P0C71702 
P0C71701 
P0C71702 
P0C71702 
P0C71801 P0C71802 P0C71901 P0C71902 
P0C71801 
P0C71801 P0C71802 P0C71901 P0C71902 
P0C71801 
P0C71802 P0C71901 
P0C71802 P0C71901 
P0P7080TP 
P0P7080TP 
P0P7080TP  P0P7090TP  P0P7100TP 
P0P7080TP  P0P7090TP  P0P7100TP 
P0TR7000C  P0TR7000E 
P0TR7000C  P0TR7040C 
P0TR7000C  P0TR7000E 
P0TR7000C  P0TR7040C 
P0R70201 P0R70202 P0R70301 P0R70302 
P0R70201 
P0R70201 P0R70202 P0R70301 P0R70302 
P0R70201 
P0TR7000B 
P0TR7000B 
P0TR7000B 
P0TR7000B 
P0C71002 
P0C71002 
P0C71001 P0C71002 
P0C71001 
P0C71001 P0C71002 
P0C71001 
P0R70202 
P0R70202 
P0R70101  P0R70102 
P0R70101 P0TR7000E 
P0R70101  P0R70102 
P0R70101 P0TR7000E 
P0P7090TP P0R70102 
P0P7090TP P0R70102 
P0P7110TP 
P0P7110TP 
P0P7110TP  P0P7120TP 
P0P7110TP  P0P7120TP 
P0TR7010B 
P0TR7010B  P0P7120TP 
P0TR7010B 
P0TR7010B  P0P7120TP 
P0TR7010E 
P0TR7010E 
P0TR7010C  P0TR7010E 
P0TR7010C 
P0TR7010C  P0TR7010E 
P0TR7010C 
P0C70901 P0C70902 
P0C70901 
P0C70901 P0C70902 
P0C70901 
P0C70902 
P0C70902 
P0C70801 
P0C70801 
P0C70802 
P0C70802 
P0R70701 P0R70702 
P0R70701 
P0R70701 P0R70702 
P0R70701 
P0R70702 
P0R70702 
P0C71601 P0C71602 
P0C71601 
P0C71601 P0C71602 
P0C71601 
P0C71602 
P0DZ7010A  P0DZ7010K 
P0DZ7010A 
P0DZ7010A  P0DZ7010K 
P0DZ7010A 
P0DZ7010K P0LED7000K P0P7140TP 
P0DZ7010K P0LED7000K P0P7140TP 
P0P7140TP  P0P7150TP 
P0P7140TP  P0P7150TP 
P0LED7000A P0LED7000K 
P0LED7000A  P0P7150TP 
P0LED7000A P0LED7000K 
P0LED7000A  P0P7150TP 
P0C71602 
P0TR7040C  P0TR7040E 
P0TR7040C  P0TR7040E 
P0TR7040B 
P0TR7040B 
P0TR7040B 
P0TR7040B 
P0P7130TP 
P0P7130TP 
P0P7130TP 
P0P7130TP 
P0DZ7030K 
P0DZ7030K 
P0DZ7030A  P0DZ7030K 
P0DZ7030A 
P0DZ7030A  P0DZ7030K 
P0DZ7030A 
P0R70601 P0TR7040E 
P0R70601 P0TR7040E 
P0R70601  P0R70602 
P0R70601  P0R70602 
P0TR7050B 
P0TR7050B 
P0TR7050B 
P0TR7050B 
P0P7100TP P0R70602 
P0P7100TP P0R70602 
P0TR7050E 
P0TR7050E 
P0TR7050C  P0TR7050E 
P0TR7050C 
P0TR7050C  P0TR7050E 
P0TR7050C 
P0C71501 P0C71502 
P0C71501 
P0C71501 P0C71502 
P0C71501 
P0C71502 
P0C71502 
P0C71401 P0C71402 
P0C71401 
P0C71401 P0C71402 
P0C71401 
P0C71402 
P0C71402 
P0C71902 
P0C71902 
P0DZ7020K 
P0DZ7020K 
P0C71301  P0C71302 
P0C71301 
P0C71301  P0C71302 
P0C71301 
P0DZ7020A P0LED7010A P0P7160TP 
P0DZ7020A P0LED7010A P0P7160TP 
P0DZ7020A P0DZ7020K 
P0LED7010A  P0LED7010K 
P0P7160TP  P0P7170TP 
P0DZ7020A P0DZ7020K 
P0LED7010A  P0LED7010K 
P0P7160TP  P0P7170TP 
P0LED7010K  P0P7170TP 
P0LED7010K  P0P7170TP 
P0C71302 
P0C71302 
P0R70301 
P0R70301 
P0P7180TP 
P0P7180TP 
P0P7180TP 
P0P7180TP 
P0TR7020B 
P0TR7020B 
P0TR7020B 
P0TR7020B 
P0TR7020C P0TR7020E 
P0TR7020C 
P0TR7020C P0TR7020E 
P0TR7020C 
P0TR7030B 
P0TR7030B 
P0TR7030B 
P0TR7030B 
P0TR7030E 
P0TR7030E 
P0R70401 
P0R70401 
P0R70401  P0R70402 
P0R70401  P0R70402 
P0TR7020E 
P0TR7020E 
P0P7200TP P0R70402 
P0P7200TP P0R70402 
P0R70302 
P0P7190TP 
P0P7190TP 
P0P7190TP  P0P7200TP 
P0P7190TP  P0P7200TP 
P0R70302 
P0TR7030C 
P0TR7030C 
P0TR7030C  P0TR7030E 
P0TR7030C  P0TR7030E 
P0C71201 P0C71202 
P0C71201 
P0C71201 P0C71202 
P0C71201 
P0C71202 
P0C71202 
P0C71101 P0C71102 
P0C71101 
P0C71101 P0C71102 
P0C71101 
P0C71102 
P0C71102 
P0R72001  P0R72002 
P0R72001 
P0R72001  P0R72002 
P0R72001 
P0R72002 
P0R72002 
P0R72101  P0R72102 
P0R72101 
P0R72101  P0R72102 
P0R72101 
P0R72102 
P0R72102 

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L155 Phono Stage_3.0.SchDoc
AMP002 Phono Stage
Contact Engineer:
L155CT
27 November 08
INITIALS
Printed:
7 7Sheet of
Notes:
Contact Tel: 01223 203 200Matthew Neighbour
A & R Cambridge Ltd. 
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
100V 
0805
C805 
100P
0W125
R803 
47K
0W125
R808 
820R
100V 
0805
C812
330P
50V 
1206
C809
1N0
0W125
R802
680K
50V 
YK
C801
10UF
0W125
R801 
820R
+VPRE
-VPRE
0VPRE
0VPRE
50V 
0805
C800
100N
50V 
0805
C802
100N
0VPRE
PHONO IN L
PHONO INPUT L
100V 
0805
C817 
100P
0W125
R815 
47K
0W125
R817 
820R
100V 
0805
C824
330P
50V 
1206
C821
1N0
0W125
R811
680K
50V 
YK
C814
10UF
0W125
R810 
820R
0VPRE
0VPRE
PHONO IN R
PHONO INPUT R
100V 
0805
C803 
100P
100V 
0805
C815 
100P
63V 
WB
C808 
22UF
63V 
WB
C820 
22UF
50V 
0805
C818
2N2
100V 
0805
C822
330P
2
3
1
84
IC800A 
NE5532M
6
5
7
IC800B 
NE5532M
50V 
0805
C819
2N2
50V 
0805
C806
2N2
100V 
0805
C810
330P
50V 
0805
C807
2N2
0W125
R805
56K
0W125
R812
56K
P805
P803 P804
P802
P800
P811
P808 P809 P810
P806
08_E041 SWB 12/02/07 BOM Changes, PCB change. B
08_E071 SWB 12/02/08 No changes to this sheet, see PCB 1
08_E083 MSN 22/04/08 BOM changes, No changes to this sheet 1.1
08_E099 MSN 09/05/08 BOM changes, No changes to this sheet 1.2
08_E202 MSN 26/11/2008 None to this sheet 3.0
P0C80001  P0C80002 
P0C80001 
P0C80001  P0C80002 
P0C80001 
P0C80002 
P0C80002 
P0C80501 P0C80502 
P0C80501 
P0C80501 P0C80502 
P0C80501 
P0C80502 
P0C80502 
P0R80301 P0R80302 
P0R80301 
P0R80301 P0R80302 
P0R80301 
P0R80302 
P0R80302 
P0IC800A03 
P0IC800A03 
P0IC800A03 
P0IC800A03 
P0IC800A02 
P0IC800A02 
P0IC800A02 
P0IC800A02 
P0IC800A08 
P0IC800A08 
P0IC800A08 
P0IC800A08 
P0IC800A01 
P0IC800A01 
P0IC800A01 
P0IC800A01 
P0IC800A04 
P0IC800A04 
P0IC800A04 
P0C80301 P0C80302 
P0C80301 P0C80302 
P0IC800A04 
P0C80302 
P0C80302 
P0R80201  P0R80202 
P0R80201 
P0R80201  P0R80202 
P0R80201 
P0R80202  P0R80501 
P0R80202  P0R80501 
P0P8030TP 
P0P8030TP 
P0P8030TP  P0P8040TP 
P0P8030TP  P0P8040TP 
P0R80801 P0R80802 
P0R80801 
P0R80801 P0R80802 
P0R80801 
P0C80601  P0C80602 
P0C80601 
P0C80601  P0C80602 
P0C80601 
P0P8040TP 
P0P8040TP 
P0C80602 
P0C80602 
P0P8050TP 
P0P8050TP 
P0P8050TP 
P0P8050TP 
P0R80802 
P0R80802 
P0C80801 P0C80802 
P0C80801 
P0C80801 P0C80802 
P0C80801 
P0C80701  P0C80702 
P0C80701 
P0C80701  P0C80702 
P0C80701 
P0C80702 
P0C80702 
P0C80802 
P0C80802 
P0C80201  P0C80202 
P0C80201 
P0C80201  P0C80202 
P0C80201 
P0C80202 
P0C80202 
P0R80501  P0R80502 
P0R80501  P0R80502 
P0R80502 
P0R80502 
P0C80901  P0C80902 
P0C80901 
P0C80901  P0C80902 
P0C80901 
P0C80902 
P0C80902 
P0P8020TP 
P0P8020TP 
P0P8020TP 
P0P8020TP 
P0C80101  P0C80102 
P0C80101 
P0C80101  P0C80102 
P0C80101 
P0C80102  P0P8000TP 
P0C80102  P0P8000TP 
P0P8000TP 
P0P8000TP 
P0R80101 P0R80102 
P0R80101 
P0R80101 P0R80102 
P0R80101 
P0R80102 
P0R80102 
P0C81701 P0C81702 
P0C81701 
P0C81701 P0C81702 
P0C81701 
P0C81702 
P0C81702 
P0R81501 P0R81502 
P0R81501 
P0R81501 P0R81502 
P0R81501 
P0R81502 
P0R81502 
P0C81001  P0C81002  P0C81201  P0C81202 
P0C81001 
P0C81001  P0C81002  P0C81201  P0C81202 
P0C81001 
P0C81002  P0C81201 
P0C81002  P0C81201 
P0IC800B05 
P0IC800B05 
P0IC800B05 
P0IC800B05 
P0IC800B06 
P0IC800B06 
P0IC800B06 
P0IC800B06 
P0IC800B07 
P0IC800B07 
P0IC800B07 
P0IC800B07 
P0C81202 
P0C81202 
P0C81501 P0C81502 
P0C81501 
P0C81501 P0C81502 
P0C81501 
P0C81502 
P0C81502 
P0R81101  P0R81102  P0R81201  P0R81202 
P0R81101 
P0R81101  P0R81102  P0R81201  P0R81202 
P0R81101 
P0R81102  P0R81201 
P0R81102  P0R81201 
P0P8080TP  P0P8090TP  P0P8100TP 
P0P8080TP 
P0P8080TP  P0P8090TP  P0P8100TP 
P0P8080TP 
P0R81701 P0R81702 
P0R81701 
P0R81701 P0R81702 
P0R81701 
P0C81801  P0C81802 
P0C81801 
P0C81801  P0C81802 
P0C81801 
P0P8090TP 
P0P8090TP 
P0C81802 
P0C81802 
P0R81202 
P0R81202 
P0P8100TP 
P0P8100TP 
P0P8110TP 
P0P8110TP 
P0P8110TP 
P0P8110TP 
P0R81702  P0C80301 
P0R81702  P0C80301 
P0C82001 P0C82002 
P0C82001 
P0C82001 P0C82002 
P0C82001 
P0C82002 
P0C82002 
P0C81901  P0C81902 
P0C81901 
P0C81901  P0C81902 
P0C81901 
P0C81902 
P0C81902 
P0C82101  P0C82102 
P0C82101 
P0C82101  P0C82102 
P0C82101 
P0C82102 
P0C82102 
P0C81401  P0C81402 
P0C81401  P0C81402 
P0C81401 
P0C81401 
P0C81402  P0P8060TP 
P0C81402  P0P8060TP 
P0P8060TP 
P0P8060TP 
P0R81001 P0R81002 
P0R81001 
P0R81001 P0R81002 
P0R81001 
P0R81002 
P0R81002 
P0C82201  P0C82202  P0C82401  P0C82402 
P0C82201 
P0C82201  P0C82202  P0C82401  P0C82402 
P0C82201 
P0C82202  P0C82401 
P0C82202  P0C82401 
P0C82402 
P0C82402