Arcam Alpha 10 Manual de serviço - Página 17
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1
D
+5V
Z13A
1
Q_35
LM393A SM
C
Q_34
Carrier Demodulator
R226
10K SM
B
A
1
2
+UREG
!
R227
10R FU
2
Carrier Filter
R220
3
100K SM
Q_36
Break
+5V
Q_37
Z13B
5
7
Demod
Demod
6
Q_38
LM393A SM
+5V
Z13C
LM393A SM
DRAWING TITLE
Alpha 10 Amp Remote Bus
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\L829CT5_6.SCH
2
C98
Q_39
RemRaw
Raw
Q31
BC849B
220P SM
R28
10K SM
+ C83
100U EL
Q57
BC859B
Q_2
Remote Buffer
Q61
BC849B
R211
4K7 SM
Q_40
+5V
C97
100N SM
97_1085
97_1086
97_1096
Circuit Diagram
97_1102
98_1042
ECO No.
Date Printed
3
Q_67
+5V
REMJK1
O1
Q_66
6
1
REMJK2
4
3
Q_65
TLP181 SM
Q_68
Q62 BC849B
R221
470R 1W CF
REMJKO1
Send
SJB
22-9-97
Hardware Remote RX
SJB
26-9-97
No Change
SJB
22-10-97
R210, R198, R212 change
SJB
11-11-97
No Change
SJB
9-7-98
PCB Issue 2 to 3 changes
INITIALS
DATE
DESCRIPTION OF CHANGE
Drawn by:
Sheet
SJB
10-Jul-1998
3
4
Remote In
SK10B
D
Far from PCB
JACK3.5X2
Q37
BC849B
R209
4K7 SM
Near to PCB
JACK3.5X2
SK10A
C
Remote Out
B
2
3
4
A
5
6
ISSUE
5
of
5
L829CT5
DRAWING NO.
4