ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L129_C1_BoardLower_Iss_D.0.SchDoc
Lower Amp Main
Contact Engineer:
L129CT
14/07/2008
INITIALS
Printed:
1
10
Sheet
of
Notes:
Contact Tel:
(01223) 203200 tel No
John Dawson
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9QR
Waterbeach
A3
ARCAM
PLD_R
NLD_R
+V
LI
F
T
_R
-V
L
IF
T
_
R
N LIFT OFF
P LIFT OFF
U_Lifter_R
L129_C6_LIFTER_R_Iss_D.0.SchDoc
OUT_R
PLD_R
SRCE_R
SINK_R
GND_R
TEMP_2
NLD_R
VEE_BSTRAP_R
U_PA_R
L129_C8_PA_R_Iss_D.0.SchDoc
OUT_SBR
PLD_R
NLD_R
SRCE_SBR
SINK_SBR
GND_SBR
VEE_BSTRAP_R
U_PA_SBR
L129_C4_PA_SBR_Iss_D.0.SchDoc
+VLO
-VLO
D102
MBR1060G
D103
MBR1060G
-VLIFT_R
+VLIFT_R
+_IN_R
+_IN_SBR
ERR_POS
ERR_NEG
O
U
T_
SBR
OUT
_
R
SRCE_R
SRCE_SBR
SINK_SBR
SINK_R
VEE_BSTRAP_R
U_Driver_R
L129_C3_Driver_R_Iss_D.0.SchDoc
STARGND
DGND
AGND_FF
0W25
R100
0R0
0W25
R101
0R0
OUT_L
OUT_R
OUT_SBL
OUT_SBR
GND_L
GND_SBL
GND_R
GND_SBR
TO/FROM TOP BOARD
PLD_L
NLD_L
+
V
LI
FT_L
-V
LI
FT_L
N LIFT OFF
P LIFT OFF
U_Lifter_L
L129_C5_LIFTER_L_Iss_D.0.SchDoc
OUT_L
PLD_L
NLD_L
SRCE_L
SINK_L
GND_L
TEMP_1
VEE_BSTRAP_L
U_PA_L
L129_C9_PA_L_Iss_D.0.SchDoc
OUT_SBL
PLD_L
NLD_L
SRCE_SBL
SINK_SBL
GND_SBL
VEE_BSTRAP_L
U_PA_SBL
L129_C2_PA_SBL_Iss_D.0.SchDoc
+VLO
-VLO
D100
MBR1060G
D101
MBR1060G
-VLIFT_L
+VLIFT_L
+_IN_L
+_IN_SBL
ERR_POS
ERR_NEG
OUT
_
S
B
L
OUT
_
L
SRCE_L
SRCE_SBL
SINK_SBL
SINK_L
VEE_BSTRAP_L
U_Driver_L
L129_C7_Driver_L_Iss_D.0.SchDoc
+12V
-12V
+5V
~M
UTE_REST
~M
UTE_SB
AGND_FF
+_I
N
_SBR
+_I
N
_SBL
+_I
N
_SR
+_I
N
_SL
+_I
N
_SW
+_I
N
_C
+_I
N
_R
+_I
N
_L
+_IN_L
+_IN_SBL
+_IN_SBR
+_IN_R
ERR_POS
ERR_NEG
ERR_POS
ERR_NEG
TEMP_1
TEMP_2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
52806
CON101
MOLEX
RLY_REST
RLY_SB
FANS_POS
FAN_PWM
OFFSET
~
M
UTE_
REST
~
M
UTE_
SB
AC_
L
O
_
2
AC_
L
O
_
1
ERR_NEG
ERR_POS
U_MiscLower
L129_C10_MiscLower_Iss_D.0.SchDoc
25V
C100
100UF
DGND
TEMP_3
TEMP_2
TEMP_1
OFFSET
FAN_PWM
FANS_POS
RLY_SB
RLY_REST
RLY_SB
RLY_REST
~M
UTE_REST
~M
UTE_SB
AC_
L
O_
1
AC_
L
O_
2
1
2
3
4
5
6
7
8
52808
CON104
MOLEX
1
FIX101
Dia 3.5mm
1
FIX102
Dia 3.5mm
1
FIX103
Dia 3.5mm
1
FIX104
Dia 3.5mm
1
FIX105
Dia 3.5mm
AGND_FF
+7V
-7V
+5V
+VLO
-VLO
VCC
VEE
DGND
+_IN_C
+_IN_SR
+_IN_SL
ERR_POS
ERR_NEG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SSQ
CON103
SAMTEC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SSQ
CON100
SAMTEC
TEMP_3
AC_LO_1
AC_LO_2
1
FIX106
Dia 3.5mm
+VLO
TOOL100 TOOL101 TOOL102 TOOL103
FD100
FD101
FD102
FD103
+5V
1
2
M20-973
CON110
HARWIN
STARGND_DEC
TR102
MJE15034G
27V 5%
DZ102
BZX384C
RLY_POWER
PK
02/06/07
Initial Release
A.0.1
PK
28/02/07
Value changes on ouptut stage and lifters
A.1
07_E042
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CON102
MOLEX
20C/W
HS100
5400-9130+0
20C/W
HS101
5400-9130+0
20C/W
HS102
5400-9130+0
20C/W
HS103
5400-9130+0
STARGND_DEC
STARGND
20C/W
HS106
5400-9130+0
1
2
XH
CON107
JST
1
2
XH
CON108
JST
STARGND_LIFT
25V
C101
100UF
PK
24/10/07
Bootstrap supply added dev regulators removed
B.0
Blank AVR002 AMP LOWER PCB
L129PB
PCB100
1
07_E191
M Screw Pan Supa M3x6MM ST ZP
HA3A06A
ITEM100
10
PK
08/01/08
Swap mute lines on CON101
C.0
08_E039
50V
C102
220UF
50V
C106
220UF
+VLO
-VLO
STARGND_LIFT
50V
C107
220UF
50V
C108
220UF
+VLO
-VLO
STARGND_LIFT
PK
13/02/08
Lifter mod added, R100 NF, remove large fan connectors
D.0
08_E043
N LIFT OFF
P LIFT OFF
N LIFT OFF
P LIFT OFF
1
2
3
4
FIX100
1
NF
0W25
R102
33R
0W063
R105
1K5
TR100
BC337-40
0W063
R106
2K7
50V
C103
2u2F
0W25
R109
33R
0W063
R108
1K5
0W063
R107
2K7
TR101
BC327-40
50V
C104
2u2F
AGND_FF
-12V
+12V
5V1 2%
DZ100
BZX384B
DGND
+7V
-7V
+/-7V supply added for driver front end op amps, relays to star_dec
0W063
R103
1K0
STARGND_LIFT
63V
C105
22UF
0W25
R104
2K2
STARGND_DEC