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ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L942C7_1.0.SCH
A65 PLUS AMP
Contact Engineer:
L942C7
11-Dec-2001
INITIALS
Printed:
7 7Sheet of
Notes:
Contact Tel: (01223) 203 200Travis Pierce
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9PB
Waterbeach
WARNING SAFETY CRITICAL COMPONENT
REPLACE WITH IDENTICAL PART
uC, Volume Drive & Remote Control
C912
10N CD
C900
10N CD
R900
1R0 FU
D906
1N4003F
D907
1N4003F
+
C920
1M0 25V
C913
10N CD
MOTE900
P900
+5v
VOLUME DRIVEMOTOR 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
ACLT1
MUTE
MUX1
MUX2
MUX3
AVCONTROL
TAPECONTROL
R915
220R MF
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
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
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
D908
ZENER 5V1 400MW
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
TGP 12/12/01 PRODUCTION RELEASE 1.001_E020
1
3
2
LK900
L856CA
REMOTE SENSOR SNAP OFF BOARD
+5V
3
O/P
2
GND
1
Case
Case
O/P
GND +5V
RX900
PIC-26043TM2
IR RX
SUPPORT PAD
SP1
IR RX SUPPORT PAD
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
USE 'exlude A65' FILTER FOR BOM