Arcam Alpha 10 Посібник з експлуатації - Сторінка 16

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Arcam Alpha 10 Посібник з експлуатації
1
2
D
Fit Jumper to PL1 for
test power-up from
external d.c. supply
Pwrok
PL1
1
C
2
2WVERTJUMPER
-SUP
Rout
RVProt
PRTSUP1
Lout
LVProt
+
VFault
2
N1
Z5
6
O
TA7317P
3
B
N2
+
+
C50
1U0 EL
Fault
-SUP
Power-off Auto-Bias defeat
ABSUP1
A
+
Replace with same
!
type component only
1
2
3
LED PCB
LK9X
4
3
2
1
L836CA
LED1P
LED RED/GRN
STBY/POWER
+SUP
Q47
2SC2547
Q46
D36
2SC2547
BAS16W SM
Q45
2SC2547
D35
R19
!
1K0 FU
BAS16W SM
Prot
D27
R70
ACDet
10K SM
1N4003F
Speaker/Amp Protection
Mains/VI Fault detection
Fault
R219
10K SM
Q38
2SA1085
R205
6K8 1W CF
Auto-Bias supply
ABSUP
Designators ending in...
N - For integrated amp only,
P - For power amp only,
Z8C
R - For power amp with remote only,
LM393A SM
S - For power amp with no remote
only,
X - Other end of wire link.
-SUP
3
4
5
RF Protection
Lout
Rout
RemMute
R190
Q_33
1M0 SM
+5V
+
Q34
+
BC849B
D37
R21 1K0 FU
!
PREMTN1
PreMuteN
!
SP2MuteN
BAS16W SM
SP1MuteN
R20
1K0 FU
Q58
BC859B
D9
R206
100K SM
10V 400MW
Q56
BC859B
Q_64
R203
2K4 SM
THTESTR
THTESTL
ATE_PAD
ATE_PAD
R34
R33
Q_9
+5V
11K SM
12K SM
Z11
1
8
R233 10K SM
R234 10K SM
VREF
VCC
2
7
Vt2
OUT1
3
6
Vt1
OUT2
4
5
GND
Vtemp
R189
R191
Q_28
LM56CIM
Q_1
Q_32
22K SM
22K SM
Thermal Protection
n.b. R33 & R34 are supposed to be different!
DRAWING TITLE
Alpha 10 Amp Power Ctrl
Circuit Diagram
23425
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Filename
Cambridge CB5 9PB
J:\PROJECTS\A10amp\L829pb_Main_PCB\Circuits_&_PCB\wip\l829ct2_6.SCH
4
5
6
REMOTE
L829CT5_6 SCH
Break
Raw
Send
Demod
Power Supply Detection
X1
PWR Amp Control
CST4.00
Powerup
Powerup
Z9
1
28
PB5
PB6
2
27
PB4
PB7
RFProt
3
26
Pwrok
PA3
PA4
Therm
4
25
PA2
PA5
Cutout
5
24
PA1
PA6
6
23
PA0
PA7
7
22
PB3
OSC2
8
21
PB2
OSC1
9
20
ProtStat
PB1
VDD
10
19
PB0
RES
RESET
11
18
VSS
PC5
12
17
(TMR)/INT
PC4
13
16
PC0
PC3
14
15
PC1
PC2
SP2SW1
STBYSW1
3
3
3
2
2
2
4
VSS
VDD
1
1
1
Z12
6
6
6
24C02 SM
5
5
5
4
4
4
+5V
SP 1
SP 2
STANDBY
Q_31
FAN
+5V
Z10
1
8
VREF
VCC
Q59
2
7
Vt2
OUT1
BC849B
3
6
Vt1
OUT2
4
5
GND
Vtemp
LM56C M
Q_15
97_1085
SJB
22-9-97
Hardware Remote RX
97_1086
SJB
26-9-97
No Change
97_1096
SJB
22-10-97
No Change
97_1102
SJB
11-11-97
No Change
98_1042
SJB
9-7-98
PCB Issue 2 to 3 changes
ECO No.
INITIALS
DATE
Drawn by:
Date Printed
SJB
10-Jul-1998
6
7
8
D
+SUP
R98
27K SM
SK6
SK9N
+PRE
1
1
2
2
3
3
4
4
5
5
C
+UREG
6
6
7
7
-PRE
Fault
FAULT1
8
8
Rmin
REMI1
9
9
RemOut
REMO1
10
10
11
11
SP2MuteN
SP2
12
12
SP1MuteN
SP1
13
13
Prot
PROT1
14
14
+8V
15
15
16
16
ThermX_RST
THERMX1
17
17
SP3_PWR
SP3_PWR
18
18
VFault
VFAULT1
19
19
STBYLED
STBYLED1
20
20
REQ
REQ1
21
21
SDA
SDA1
22
22
SCK
SCK1
FFC22V
FFC22V
+5V
8
LK9P
B
C84
4
100N SM
3
2
R65
Powerup
1
LED PCB
220R SM
L836CA
+5V
3
2
LK10R
Remote PCB
1
L815CA
ATE IR RX Disable pad
R225R
REMK LL1
1K0 SM
Q58R
BC859B
Rmin
User IR RX Disable Link
2
A
3
4
5
6
DESCRIPTION OF CHANGE
ISSUE
Sheet
4
of
5
L829CT2
DRAWING NO.
7
8