1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
DRAWN BY CHK BY
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Products\A9_amp\pcb_iss7\iss_8\L827C1_8.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
1 5Sheet of
ALPHA 9 INPUT SELECTION
Circuit Diagram
L827C1 820-Oct-1998
A6 AC
A1
A2
A3
A4
A5
SW201NA
A1207
B6 BC
B1
B2
B3
B4
B5
SW201NB
A1207
C6 CC
C1
C2
C3
C4
C5
SW201NC
A1207
M
-
+
3738
3940
SW201ND
A1207
PHOR
ATE_PAD
1
2
3
4
5
6
7
8
SK201N
RBN8X
+15V
-15V
PHOL
ATE_PAD
R
L
L
R
EMC
1
N
F
SK301NA
PHONO4G
N
F
SK301NB
PHONO4G
EMC
1
N
F
SK302NA
PHONO4G
N
F
SK302NB
PHONO4G
EMC
1
N
F
SK303NA
PHONO4G
N
F
SK303NB
PHONO4G
EMC
1
N
F
SK304NA
PHONO4G
N
F
SK304NB
PHONO4G
AUXL
ATE_PAD
AUXR
ATE_PAD
TUNL
ATE_PAD
TUNR
ATE_PAD
CDL
ATE_PAD
CDR
ATE_PAD
AVL
ATE_PAD
AVR
ATE_PAD
LP1IL
ATE_PAD
LP1IR
ATE_PAD
LP1OL
ATE_PAD
LP1OR
ATE_PAD
AVLIL
ATE_PAD
AVLIR
ATE_PAD
AVLOL
ATE_PAD
AVLOR
ATE_PAD
INE
ATE_PAD
1
2
3
4
5
6
7
8
SK202N
1
2
3
SW207NA
4PCO
7
8
9
SW207NC
4PCO
4
5
6
SW207NB
4PCO
+44V
+5V
+5V
SWPNO
SWAUX
SWTUN
SWCO
SWAV
SWLP1
SWFIX
MOTN
MOTP
C409N
10N CD
CHS
PHONO
BOARD
AUX TUNER CD AV LOOP1 IN LOOP1 OUT AV LOOP IN AV LOOP OUT
CHS
A
PROC/TAPE 2 SWITCH
42
SW201NF
A1207
41
SW201NE
A1207
CHS
C301N
1N0 CD
WAF
RLY401NA
RLY 51SB12T
RLY401NB
RLY 51SB12T
RLY401NC
RLY 51SB12T
R603N
6K8 MF
R605N
6K8 MF
A
TO MOTOR ON SHT 2
VOLUME BOARD
THIS CAPACITOR TO BE BESIDE SK302
R604N
2K2 MF
R606N
2K2 MF
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
RL1
VOLR
VOLL
RV601NA
6A330M
RV601NB
6A330M
+ -
+
RV601NC
6A330M
C603N
10N CD
9
7
Case
RV601ND
6A330M
AC1
A1
A2
A3
A4
A5
A6
AC2
SW202NA
A1210
BC1
B1
B2
B3
B4
B5
B6
BC2
SW202NB
A1210
CC1
C1
C2
C3
C4
C5
C6
CC2
SW202NC
A1210
DC1
D1
D2
D3
D4
D5
D6
DC2
SW202ND
A1210
33
SW202NE
A1210
34
SW202NF
A1210
35
SW202NG
A1210
36
SW202NH
A1210
PHOE
ATE_PAD
1
2
3
4
5
6
7
8
SK602N
L809CA
98_1038
MAY96 ORIGINAL ISSUE L827C101 1
12
SK601N
1Y271
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