Arcam DiVA A65, Service Manual

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ISSUE
DRAWING NO.
23425
DRAWING TITLE
Drawn by:
DATE
Filename
ECO No. DESCRIPTION OF CHANGE
G:\DATA\ECO\ECO AGENDA\01_1050 A75 PCB WITH NEW STARPOINT\L881_5.0\L881_5.0.ddb - L881C2_5.0.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
A75 AMPLIFIER
Circuit Diagram
L881C2
JAG
4-Apr-2001
INITIALS
Date Printed
2 7 Sheet of
Notes:
L
N E
N E L
SK300
IEC3
FS300
AS1A25
+
C308
10M EL 50V
+
C309
10M EL 50V
C306
100N PC
C307
100N PC
+300
-300
+15V
-15V
+37V
-37V
SW300B
A1007
SW300A
A1007
SELECT VOLTAGE
BY FITTING FS201
OR FS202
MAINS INPUT
MAINS SWITCH
FIT ONLY ONE FUSE
Chassis Earth Point,
Use correct screw and washer.
R300
100R MF
T300
T301
PD300
TOOLING
FS301
AS2A5_115V
Blue
1
Dark Grey
2
Orange
3
SK301
CAGECLAMP3
Green
1
SK302
CAGECLAMP1
Grey
1
Grey
2
SK303
CAGECLAMP2
Orange
1
Blue
2
Orange
3
SK304
CAGECLAMP3A
GREEN300
OR300
OR301
BLUE301
BLUE300
POWER SUPPLY
ACSENSE
ACLT1
0V_LS_L
0V_SIG
0V_LS_R
C301
3N3 MAINS
C300
3N3 MAINS
C302
3N3 MAINS
0V_PSU
0V_SIG
0V_DIG
0V_DIG
0V_HF
PSUP300
NSUP300
MAINS_N300
MAINS_E300
MAINS_L300
0V_HF
WARNING SAFETY CRITICAL COMPONENT
REPLACE WITH IDENTICAL PART
PD301
TOOLING
PD302
TOOLING
PD304
TOOLING
PD305
TOOLING
Y300
TX WIRE CLIP
PD311
TARGET1 PD312
TARGET1
Y301
TX WIRE CLIP
PD306
TOOLING PD307
TOOLING
C303
1N0 CD
Photo Strip
PS300
PHOTO_STRIP
Spare Fuse Clip
EL300
FUSE CLIP
PD303
TOOLING PD308
TOOLING PD309
TOOLING PD310
TOOLING
Paper Marker
A1 Horizontal
DD302
DD_A1H
CEM1, 2 OZ Cu
PCB MATERIAL
DD300
CEM1_20Z
0V_DIG
PCB
PCB1
L881PB_5
+
1
~
2
-
4
~
3
BR300
BRGBU8D
Q300
BC546B
Q302
BC556B
D303
1N4003F
D300
1N4003F
D301
1N4003F
D302
1N4003F
+
C310
100U EL 100V
+
C311
100U EL 100V
D304
ZENER 500MW 39V
D305
ZENER 500MW 39V
+ C312
220U EL 50V
+ C313
220U EL 50V
+
C304
47U EL 100V
+
C305
47U EL 100V
R301
4K7 MF
R302
4K7 MF
+38V_R
-38V_R
Q304
BC546B
Q305
BC556B
+38V_L
-38V_L
R311
10R FU
R312
10R FU
AC
+38V_R
+37V_L
-37V_R -37V_L
LK1
LINK10NP
LK6
LINK10NP
LK11
LINK10NP
LK16
LINK10NP
LK21
LINK10NP
LK26
LINK10NP
LK31
LINK10NP
LK36
LINK10NP
LK41
LINK10NP
LK46
LINK10NP
LK51
LINK10NP
LK56
LINK10NP
LK61
LINK10NP
LK66
LINK10NP
LK71
LINK10NP
LK96
LINK10NP
LK76
LINK10NP
LK81
LINK10NP
LK86
LINK10NP
LK91
LINK10NP
LK2
LINK10NP
LK7
LINK10NP
LK12
LINK10NP
LK17
LINK10NP
LK22
LINK10NP
LK27
LINK10NP
LK32
LINK10NP
LK37
LINK10NP
LK42
LINK10NP
LK47
LINK10NP
LK52
LINK10NP
LK57
LINK10NP
LK62
LINK10NP
LK67
LINK10NP
LK72
LINK10NP
LK97
LINK10NP
LK77
LINK10NP
LK82
LINK10NP
LK87
LINK15NP
LK92
LINK10NP
LK3
LINK10NP
LK8
LINK10NP
LK13
LINK10NP
LK18
LINK10NP
LK23
LINK10NP
LK33
LINK10NP
LK38
LINK10NP
LK43
LINK10NP
LK48
LINK10NP
LK53
LINK10NP
LK58
LINK10NP
LK63
LINK10NP
LK68
LINK10NP
LK73
LINK10NP
LK98
LINK10NP
LK78
LINK10NP
LK83
LINK10NP
LK88
LINK10NP
LK93
LINK10NP
LK4
LINK10NP
LK9
LINK10NP
LK14
LINK10NP
LK19
LINK10NP
LK24
LINK10NP
LK29
LINK10NP
LK34
LINK10NP
LK39
LINK10NP
LK44
LINK10NP
LK49
LINK10NP
LK54
LINK10NP
LK59
LINK10NP
LK64
LINK10NP
LK69
LINK10NP
LK74
LINK10NP
LK99
LINK10NP
LK79
LINK10NP
LK84
LINK10NP
LK89
LINK10NP
LK94
LINK10NP
LK5
LINK10NP
LK10
LINK10NP
LK15
LINK10NP
LK20
LINK10NP
LK25
LINK10NP
LK30
LINK10NP
LK35
LINK10NP
LK40
LINK10NP
LK45
LINK10NP
LK50
LINK10NP
LK55
LINK10NP
LK60
LINK10NP
LK65
LINK10NP
LK70
LINK10NP
LK75
LINK10NP
LK80
LINK10NP
LK85
LINK10NP
LK90
LINK10NP
LK95
LINK10NP
LK106
LINK10NP
LK111
LINK10NP
LK116
LINK10NP
LK121
LINK10NP
LK126
LINK17.5NP
LK131
LINK10NP
LK136
LINK10NP
LK141
LINK10NP
LK151
LINK10NP
LK156
LINK10NP
LK161
LINK10NP
LK166
LINK10NP
LK196
LINK10NP
LK181
LINK10NP
LK186
LINK10NP
LK191
LINK10NP
LK107
LINK10NP
LK112
LINK10NP
LK117
LINK10NP
LK122
LINK10NP
LK127
LINK10NP
LK132
LINK10NP
LK137
LINK10NP
LK142
LINK10NP
LK152
LINK10NP
LK157
LINK10NP
LK162
LINK10NP
LK167
LINK10NP
LK197
LINK10NP
LK182
LINK10NP
LK187
LINK10NP
LK192
LINK10NP
LK108
LINK10NP
LK113
LINK10NP
LK118
LINK10NP
LK123
LINK10NP
LK128
LINK10NP
LK133
LINK10NP
LK138
LINK10NP
LK143
LINK10NP
LK148
LINK10NP
LK153
LINK10NP
LK158
LINK10NP
LK163
LINK10NP
LK198
LINK10NP
LK178
LINK10NP
LK183
LINK10NP
LK188
LINK10NP
LK193
LINK10NP
LK109
LINK10NP
LK114
LINK10NP
LK119
LINK10NP
LK124
LINK10NP
LK129
LINK10NP
LK134
LINK10NP
LK139
LINK10NP
LK149
LINK10NP
LK154
LINK10NP
LK159
LINK10NP
LK164
LINK10NP
LK199
LINK10NP
LK179
LINK10NP
LK189
LINK10NP
LK194
LINK10NP
LK105
LINK10NP
LK110
LINK10NP
LK115
LINK10NP
LK120
LINK10NP
LK130
LINK10NP
LK135
LINK10NP
LK140
LINK10NP
LK145
LINK10NP
LK150
LINK10NP
LK155
LINK10NP
LK160
LINK10NP
LK165
LINK10NP
LK180
LINK10NP
LK185
LINK10NP
LK190
LINK10NP
LK195
LINK10NP
LK201
LINK10NP
LK202
LINK10NP
LK203
LINK10NP
LK204
LINK10NP
LK205
LINK10NP
LK206
LINK10NP
LK207
LINK10NP
LK208
LINK10NP
LK209
LINK10NP
LK210
LINK10NP
LK211
LINK10NP
LK212
LINK15NP
LK213
LINK15NP
LK214
LINK15NP
LK215
LINK15NP
LK216
LINK15NP
LK217
LINK15NP
LK218
LINK15NP
LK219
LINK15NP
LK220
LINK20NP
LK221
LINK20NP
LK222
LINK20NP
LK223
LINK20NP
LK224
LINK20NP
LK225
LINK20NP
LK226
LINK20NP
LK227
LINK20NP
LK228
LINK20NP
LK229
LINK20NP
LK246
LINK20NP
LK247
LINK20NP
LK248
LINK20NP
LK249
LINK20NP
LK250
LINK20NP
LK251
LINK20NP
LK254
LINK20NP
LK230
LINK15NP
LK231
LINK15NP
LK232
LINK15NP
LK233
LINK15NP
LK234
LINK15NP
LK235
LINK15NP
LK236
LINK15NP
LK237
LINK15NP
LK238
LINK15NP
LK240
LINK15NP
LK241
LINK15NP
LK242
LINK15NP
LK243
LINK15NP
LK244
LINK15NP
LK245
LINK15NP
LK265
LINK15NP
LK257
LINK15NP
LK256
LINK15NP
LK267
LINK17.5NP
LK270
LINK17.5NP
LK268
LINK17.5NP
LK271
LINK15NP
LK269
LINK15NP
LK272
LINK17.5NP
LK277
LINK10NP
LK278
LINK10NP
LK279
LINK10NP
LK280
LINK10NP
LK281
LINK10NP
LK252
LINK10NP
LK253
LINK10NP
LK255
LINK10NP
Vin
I
GND
G
Vout
O
Z301
7905
+ C315
1U0 EL
+ C316
1U0 EL
0V_SIG
C317
100N CD
C319
100N CD
C320
100N CD
C318
100N CD
0V_HF 0V_PSU
LK300
LINK10NP
LK301
LINK10NP
LK303
LINK10NP
LK304
LINK10NP
C314
100P CD
230V
115V
9Vac
SCREEN
TX300
L816TX
SP300
STAR POINT 8
CS1
220N X2 CLASS
Update Box
UD1
UPDATE_BOX
D306
10V 400MW
D307
10V 400MW
Vin
I
GND
G
Vout
O
Z300
7805
EARTH LEAD
8M101
EL
EARTH LEAD
+
C106
1U0 EL
+
C105
1U0 EL
JAG 27-08-00 PRODUCTION BUILD 1
CL 31-08-00 PRODUCTION BUILD 2
CL 08-09-00 EMC MODIFICATION 2.1
CL 21/9/00 PRODUCTION BUILD 3.1 00_1105
CL 20/9/00 PRODUCTION BUILD 3.0 00_1076
JAG 12/10/00 PRODUCTION BUILD 3.4 00_1110
DO NOT USE THE FOLLOWING NUMBERS AS LINKS - THE DESIGNATORS ARE ALREADY USED ON OTHER PARTS OF THIS CCT!
LK100, LK101, LK102, LK103, LK104, LK168, LK170, LK171, LK172, LK173, LK174, LK175, LK176, LK177
WAF 25/10/00 PRODUCTION BUILD 3.5 00_1119
JAG 26/10/00 PRODUCTION BUILD 3.6 00_1124
LK28
LK08NP
LK125
LINK20NP
JAG 9/11/00 PRODUCTION BUILD 3.6a 00_1133
mgm/es 1/12/00 admin changes 3.7 00_1141
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
MGM 2/2/01 PCB UP ISSUED NO CHANGE TO CTS 4.0 01_1002
CL 27/3/01 NEW STARPOINT ADDED 5.0 01_1050