Arcam ALPHA 7R Service Manual - Page 14

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Arcam ALPHA 7R Service Manual
1
2
R24
2K7 MF
R40
D
33K MF
R31
Q16
1K0 CF
SRVOL
BC557B
C9
100U EL
R37
Z301A
47K MF
2
1
3
C7
R32
NE5532
4N7 PP
C6
R33
33K MF
47N PE
R25
680K MF
R38
330R MF
680K MF
R34
Q13
C10
1K MF
PWRIL
22U EL OS
C
BC547B
C8
C30
R30
100P PP
33K MF
10U CERAFINE
AMPEL
LK18
10MM LINK
PWRIL
B
Q11
BC547B
Q10
BC547B
R29
1K2 MF
1N4148
C13
15N PE
P15V
C21
Z301C
10N CD
NE5532
C22
10N CD
A
N15V
1
2
3
R19
C14
5K6 CF
15N PE
R15
1K0 CF
R9
470R FU
R23
2K7 MF
Q7
R12
470R FU
Q3
BC556B
Q6
BC556B
BC556B
Q4
R39
C24
18K MF
TP10
4N7 PP
BC546B
R10
Q12
470R FU
C5
R17
33P PS
5K6 MF
R20
BC547B
15K MF
R70
R13
R51
BC546B
680R MF
R22
1K0 MF
15K MF
Q15
C4
120R MF
47N PE
+ C27
C25
R14
220U EL
R52
1K0 MF
100N PC
3K9 MF
RV1
10K PSET
R11
470R FU
TP12
Q5
R28
18K MF
BC556B
Q9
Q8
BC546B
R8
470R FU
BC546B
D5
R16
R18
2K7 MF
2K7 MF
R27
470R FU
C12
100U EL 100V
-37V
CL1
CL2
E82201
E82201
HS1
HS2
HS3
HS4
E81801
E81801
E81801
E81801
3
4
5
+37V
TP11
R26
Q1
470R FU
+ C11
IRF540
100U EL 100V
D1
1N4003F
L
R4
LHC
R21
R5
100R FU
RHC
100R MF
100R FU
SK3
C28
HPSKT
R
100N PC
D2
10V 400MW
C2
Q14
BC557B
47N PE
C1
100U EL 100V
+
PROT_OP_L
R7
470R FU
L1
D3
2U2H LAC SMALL
10V 400MW
RLY G5Z-2A-E
R3
2R2 CF
R2
4R7 W2 CF
C3
PD6
TOOLING
100N PC
R35
33K MF
Q2
R36
R6
IRF540
100R FU
100R FU
TP14
IQ1L
R41
D4
470R FU
10V 400MW
R1A
R1
0R22 3W MO
0R22 3W MO
TP15
R42
620R MF
IQ2L
+ C16
DRAWING TITLE
ALPHA 1, 7, 8 & 8P AMP
Circuit Diagram
23425
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
LEFT CHANNEL
Denny Industrial Centre
Waterbeach
Filename
Cambridge CB5 9PB
J:\FILES\Products\A1_7_8_8P AMPS\Issue_2\L846C5_3.SCH
4
5
6
7
HPR
SW99A
2PCO
HPE
SW99_3
SW99_2
HPL
LK1
LK7
10MM LINK
10MM LINK
4
PREMUTE
R49
5
1
SK3_7
330R 1W CF
2
3
R149
1
330R 1W CF
6
7
R150
R50
100R W2 CF
100R W2 CF
SW99B
2PCO
SPLD
SP2_SEND_L
OP_L
SK1A
RLY1A
Top+
SP2_RETN_L
C17
C20
470P CD
SPLE
470P CD
Top-
SK1C
CAMCON_G
CHASS
CAMCON_G
C18
PD6
1N0 CD
D8
VI_CH2
1N4003F
R45
18K MF
R47
4K7 MF
Q17
BC546B
Q18
R46
BC546B
150R MF
C26
100N PC
100U EL
R53
18K MF
98_1029
LJW
29-05-98
LISTENING APPROVAL
98_1025
LJW
12-05-98
Initial release
ECO No.
INITIALS
DATE
Drawn by:
Date Printed
LJW
22-Sep-1998
6
7
8
D
LK311
LK311A
2
1
1
SP2_SEND_L
2
2
SP2_RETN_L
3
3
4
4
SP2_RETN_R
5
5
SP2_SEND_R
6
6
OP_L
7
7
OP_R
L825CA
L825CA
SPLS
SK1B
Bot+
C
Bot-
CAMCON_G
B
Q19
BC556B
R48
47K MF
C19
100U EL
VI_PROTECT
A
2
1
DESCRIPTION OF CHANGE
ISSUE
Sheet
5
of
7
L846C5_2
DRAWING NO.
8