Arcam Alpha 9 Manual de serviço - Página 15
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Spare fuse
Spare fuse
Spare fuse
Spare fuse
1
2
SW201B
A1014
D
RIV1
RIV2
HP007
HP007
SK1
IEC2
LIVE
L
N
NEUT
T201
L811TX
L2
NEUT2
1
1U0H RADIAL
2
7
C
6
115V
F2
!
115V
4
T250MA115V
115V units only
5
10
F1
!
230V
9
230V
T160MA
230V units only
!
FILAC
R51 22R FU
FILB
FILB
!
R52 22R FU
SW201D
B
A1014
FILA
FILA
Z210
LB1641
P7V
+
C41
C55
100U EL
10N CD
LDOUT
LDIN
A
INSW
INOUT
R55
1K2 MF
1
2
3
AGND
C45
1M0 25V
ACAUDG
ACAUD1
16
D4
D5
UF4003
17
UF4003
D6
D7
SW201C
A1014
ACAUD2
UF4003
UF4003
18
9
8
ACDIG1
11
7
D8
D9
Z206 LM317T
AC1
UF4003
UF4003
I
AC
D10
D11
AC2
P11VSW
UF4003
UF4003
13
HS1
TO220HS30REG
ACDIG2
+ C36
3M3 EL
ACDIG3
DGND
15
19
D17
20
15V 400MW
D12
+
C34
1N4003F
100U EL 100V
!
I
Vin
Vout
R58 10R FU
Z209
N35V
FILASW
7915
HDCDREM
LED201
LED ULTRARED
GNDREM
Alpha 8 only
C32
10N CD
SK205
8K2005
LOADOUT
1
2
LOADOUT
3
LOADIN
LOADIN
4
GND
5
INSW
OUTSW
Motor Ground
OUTSW
3
4
5
D16
1N4003F
Z204
P22VUN
LM317T
!
I
O
Vin
Vout
R44 3R3 FU
R39
220R MF
HS3
TO220HS30REG
C47
+
+
C44
+ C39
1M0 25V
1M0 25V
R47
100U EL
3K0 MF
+ C40
R46
C48
100U EL
3K0 MF
+
+
1M0 25V
Z205
LM337T
R40
220R MF
!
I
O
Vin
Vout
R45 3R3 FU
TO220HS30REG
HS4
N22VUN
D15
1N4003F
P11V
P11V CLK
R65 10R FU
!
D13
CDM14 Supply
+7.3V
1N4003F
R64
Z207
!
P7V
10R FU
LM317T
O
I
Vin
Vout
Vin
R38
TP3
330R MF
+ C51
P7V
1M0 25V
+
+ C37
C43
+ C38
10U EL
R41
1M0 25V
1K6 MF
GND5VDAC
R53
33K MF
C35
100U EL 100V
+
D18
7V5 400MW
O
TP7
N30V
N30V
P5VREM
RX201
SBX1610-52
P5V
LK101A
LK101B
+5V
1
1
REMOUT
2
2
2
O/P
C52
3
3
10N CD
4
4
HDCD
GND
Case
L814CA
L814CA
DRAWING TITLE
23425
Alpha 7/8/9 CD Players
A & R Cambridge Ltd.
Circuit Diagram
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Sheet
2
of
4
Cambridge CB5 9PB
Filename
30-Oct-1997
J:\FILES\PCBS\CIRCUITS\L812C2_8.SCH
4
5
6
7
P18V
P18V
+ C49
100U EL
D22
1N4003F
RLYV
AC1
!
AC
R37 10R FU
AC2
+ C56
10U EL
D23
1N4003F
+ C50
100U EL
N18V
N18V
P11V
D14
DAC Supply
+5V
1N4003F
P5V DAC
O
I
Vout
R43
TP4
R48
330R MF
!
10R FU
HS2A
P5VDAC
TO220HS08REG
C46
10U EL
R42
10U NP
+
C33
1M0 25V
1K0 MF
P5V
Z211
RA0
R27 100K MF
PIC16C54XT
RA0
17
RA0
RB0
AMUTE
18
RA1
RB1
DEEM
1
RA2
RB2
2
RA3
RB3
RB4
R50 100K MF
RMIN
3
RTCC
RB5
RB6
XRST
4
MCLR
RB7
R54 330R MF
REMIN
P5V
+
R59
HDCD
4MHZ
330R MF
25 June 1996
C38 was 100U EL. LK14 removed & R64 added
CAH
96_1039
20 Nov 1996
LK66 removed & R65 added
CAH
96_1104
CAH
97_1037
24-4-97
UPGRADE IMPROVEMENTS
CAH
97_1069
2-9-97
HDCD LED changed
CAH
97_1101
30-10-97
HDCD LED removed from Alpha 7 CD
ECO No.
DATE
DESCRIPTION OF CHANGE
DRAWN BY
CHK BY
6
7
8
SK204
23
P18V
22
21
20
N18V
19
18
17
16
P5V DAC
15
14
D
13
P5V
12
11
10
9
8
7
P11V
6
5
4
3
2
1
FFC23V
Power connector to DAC PCB
C
Z208 7805
P5V
O
Vin
Vout
TP2
P5V
+ C42
100U EL
PD1
C54
PAD300/4.1
10N CD
B
6
RB0
RB0
7
RB1
RB1
8
RB2
RB2
9
RB3
RB3
10
RB4
RB4
11
RB5
RB5
12
RB6
RB6
13
RB7
RB7
C53
22U EL OS
4
A
5
6
7
L812CT
8
DRAWING NO.
ISSUE
8