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87654321
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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_1070 l870 A85 PHONO ISSUE2\L870_2.0.ddb - L870C3_2.0.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
A85 PHONO STAGE - RIGHT CHANNEL
Circuit Diagram
L870C3
JBR23-Apr-2001
INITIALS
Date Printed
3 3Sheet of
Notes:
TR206
2SA1085
TR207
2SA1085
R220
22R MF
R221
22R MF
R205
100R MF
R208
47K MF
R201
100R MF
R202
100R MF
+
C202
100U SILMIC
+
C203
100U SILMIC
C209
100P PPW
R200
330R MF
+
C200
22U EL
R209
12K MF
R210
12K MF
C205
100N PE
R217
2M2 MF
R211
56K MF
R213
100K MF
R214
100K MF
TR211
BC546B
TR210
BC546B
TR214
BC546B
TR212
BC546B
TR213
BC546B
TR200
BC556B
TR201
BC556B
TR202
BC556B
TR203
BC556B
TR204
BC556B
TR205
BC556B
TR208
BC546B
TR209
BC546B
+15V
-15V
R222
39K MF
R212
100K MF
R215
15K MF
1
2
3
SW100A
4PCO
7
8
9
SW100C
4PCO
R204
100R MF
C208
470P PPW
R223
10R MF
C204
100N PE
C207
100N PE
R216
2M2 MF
3
2
6
74
IC200
TL071CD
0V_SIG0V_SIG
D200
1N4148
R218
22R MF
R219
22R MF
C206
100N PE
0V_SIG0V_HF
0V_SIG
0V_SIG0V_HF
D201
1N4148
D202
1N4148
R206
100R MF
RIGHT IN
RIGHT OUT
Q_201
Q_202
Q_203
R224
5K6 MF
C217
470P PPWC216
470P PPW
C215
1N3 PP
C211
10N PP AX
C212
10N PP AX
C218
10U NP
C213
1U0 PE
C219
100P PP
C210
4N7 PP
C201
1N0 PP
00_1051 JAG 22/3/01 PRODUCTION ISSUE 1
C220
1N0 PP
01_1070 JAG 17/4/01 updated pcb and scm 2