1
2
D
R
B1
B2
SW201NB
A1207
B3
B4
B5
PHOR
ATE_PAD
SK201N
+15V
1
2
PHOE
3
ATE_PAD
R
C
4
PHOL
5
ATE_PAD
6
L
7
ATE_PAD
8
RBN8X
-15V
L
PHONO
BOARD
SW201NA
A1
A1207
A2
A4
A5
B
+5V
C1
SW201NC
C2
A1207
C4
C5
42
SW201NF
A1207
41
SW201NE
A1207
SW202NE
33
A1210
C301N
1N0 CD
SW202NF
34
A1210
SW202NG
35
A
A1210
SW202NH
THIS CAPACITOR TO BE BESIDE SK302
36
A1210
CHS
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
1
2
3
SK301NA
SK301NB
SK302NA
PHONO4G
PHONO4G
PHONO4G
AUX
TUNER
CD
AUXL
AUXR
TUNR
ATE_PAD
ATE_PAD
TUNL
CDL
ATE_PAD
ATE_PAD
A3
C3
-
SW201ND
A1207
M
+5V
+
3
4
5
SK302NB
SK303NA
PHONO4G
PHONO4G
AV
LOOP1 IN
LOOP1 OUT
CDR
AVR
LP1IR
ATE_PAD
ATE_PAD
ATE_PAD
AVL
LP1IL
LP1OL
ATE_PAD
ATE_PAD
ATE_PAD
SW202NC
A1210
RLY401NC
RLY 51SB12T
SK602N
8
7
RLY401NA
C409N
6
RLY 51SB12T
10N CD
5
A
4
3
2
1
L809CA
RLY401NB
RLY 51SB12T
DRAWING TITLE
23425
ALPHA 9 INPUT SELECTION
A & R Cambridge Ltd.
Circuit Diagram
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Sheet
1
of
5
Cambridge CB5 9PB
Filename
J:\Products\A9_amp\pcb_iss7\iss_8\L827C1_8.SCH
4
5
6
7
SW202ND
SW202NB
A1210
A1210
CHS
SK303NB
SK304NA
SK304NB
PHONO4G
PHONO4G
PHONO4G
AV LOOP IN
AV LOOP OUT
AVLOL
ATE_PAD
LP1OR
AVLIR
ATE_PAD
ATE_PAD
INE
ATE_PAD
AVLIL
ATE_PAD
CHS
SW202NA
A1210
VOLUME BOARD
R603N
RV601NC
6A330M
6K8 MF
RV601NA
R604N
6A330M
2K2 MF
SK601N
1Y271
C603N
R605N
10N CD
6K8 MF
RV601NB
R606N
6A330M
2K2 MF
TO MOTOR ON SHT 2
MAY96
ORIGINAL ISSUE
98_1038
WAF
20-Oct-1998
ECO No.
DATE
DESCRIPTION OF CHANGE
DRAWN BY
CHK BY
6
7
8
D
+44V
SK202N
6
8
SW207NB
7
4PCO
RL1
5
6
5
VOLR
C
4
4
3
2
1
VOLL
AVLOR
ATE_PAD
9
SW207NC
8
4PCO
A
7
PROC/TAPE 2 SWITCH
3
SW207NA
2
4PCO
1
B
RV601ND
6A330M
7
9
Case
A
L827C101
1
L827C1
8
DRAWING NO.
ISSUE
8
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