Arcam DiVA A65, Service Manual

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ISSUE
DRAWING NO.
23425
DRAWING TITLE
Drawn by:
DATE
Filename
ECO No. DESCRIPTION OF CHANGE
G:\DATA\ECO\ECO AGENDA\01_1050 A75 PCB WITH NEW STARPOINT\L881_5.0\L881_5.0.ddb - L881C7_5.0.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
A75 AMPLIFIER
Circuit Diagram
L881C7
JAG
4-Apr-2001
INITIALS
Date Printed
7 7 Sheet of
Notes:
WARNING SAFETY CRITICAL COMPONENT
REPLACE WITH IDENTICAL PART
-
-
REMOTE CONTROL
uC & Volume Drive
3
2
1
+5V
O/P
GND
Case
RX900
SBX1610-52
C912
10N CD
C900
10N CD
R900
1R0 FU
D906
1N4003F
D907
1N4003F
+
C920
1M0 25V
C913
10N CD
MOTE900
P900
+5v
VOLUME DRIVE MOTOR DRIVER
+5V
GND
1
MD1
2
CC1
3
REF
4
MC1
5
MC2
6
VCC1
7
VCC2
8
CC2
9
MD2
10
Z905
BA6109
1
2
VOLMOT900
1Y271
1
3
2
LK900
L856CA
REMOTE SENSOR SNAP OFF BOARD
ACLT1
MUTE
MUX1
MUX2
MUX3
AVCONTROL
TAPECONTROL
R915
220R MF
PB5
1
PB4
2
PA3
3
PA2
4
PA1
5
PA0
6
PB3
7
PB2
8
PB1
9
PB0
10
VSS
11
(TMR)/INT
12
PC0
13
PC1
14
PC2
15
PC3
16
PC4
17
PC5
18
RES
19
VDD
20
OSC1
21
OSC2
22
PA7
23
PA6
24
PA5
25
PA4
26
PB7
27
PB6
28
Z900
HT48R30 28-DIP-B-0
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VDD
8
Z906
24C01
C917
100N CD
X900
CST4.00
C918
100N CD
+
C914
220U EL
+5v
+5v
+5v
C919
100N CD
1 2 3
SW900A
2PCO_NON_LAT
4 5 6
SW900B
2PCO_NON_LAT
R912
100K MF
+ C921
10U EL
D910
1N4148
R913
10K MF
+5v
+5V
R914
4K7 MF
0V_DIG
0V_DIG
0V_DIG
0V_DIG
0V_DIG
0V_DIG 0V_DIG
0V_DIG
0V_DIG
0V_DIG
0V_DIG
0V_DIG
0V_DIG
X0
13
X1
14
X2
15
X3
12
X4
1
X5
5
X6
2
X7
4
INH
6
A
11
B
10
C
9
VEE
7
X
3
Z907A
74HC4051
VDD
16
GND
8
Z907B
74HC4051
R904
10R MF
+
C915
100U EL
PREMUTE
0V_DIG
+5V
MOTSUP900
VOLM901
VOLM900
REMO900
C916
100N CD
1
2
3
LK903
3WAY CABLE HOLDER
D911
1N4148
1 2 3 4 5 6 7 8 9
10
SK900
FFC10V
1 2
LK901
10MM LINK
R902
100R MF
R903
100R MF
0V_DIG
0V_DIG
PROT SENSE
Disp A
Disp B
Disp C
Disp D
Disp E
Disp F
Disp G
Disp H
Disp I
R901
12K MF
Q900
BC556B
+5v
R905
33K MF
+
C901
100U EL
JAG 27-08-00 PRODUCTION BUILD 1
CL 31-08-00 PRODUCTION BUILD 2
CL 08-09-00 EMC MODIFICATION 2.1
CL 21/9/00 PRODUCTION BUILD 3.1 00_1105
CL 20/9/00 PRODUCTION BUILD 3.0 00_1076
JAG 12/10/00 PRODUCTION BUILD 3.4 00_1110
WAF 25/10/00 PRODUCTION BUILD 3.5 00_1119
JAG 26/10/00 PRODUCTION BUILD 3.6 00_1124
D908
ZENER 5V1 400MW
JAG 9/11/00 PRODUCTION BUILD 3.6a 00_1133
mgm/es 1/12/00 admin changes 3.7 00_1141
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
MGM 2/2/01 PCB UP ISSUED NO CHANGE TO CTS 4.0 01_1002
CL 27/3/01 NEW STARPOINT ADDED 5.0 01_1050