EN-39
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L292 CT7 Bias Circuit.SchDoc
AMP024 Bias Circuit
Contact Engineer:
L292CT
06/01/2020
INITIALS
Printed:
7
7
Sheet
of
Notes:
Contact Tel:
(01223) 203207
Peter Kuell
A & R Cambridge Ltd.
Cambridge CB25 9QE
Waterbeach
A3
ARCAM
BIAS L1
BIAS L2
+3V3
BIAS L3
+3V3
NF
NF
NF
NF
NF
NF
0W063
R600
200K
0W063
R604
200K
0W063
R610
200K
0W063
R614
200K
0W063
R620
200K
0W063
R624
200K
0W063
R602
10K
0W063
R611
10K
0W063
R621
10K
50V
C610
100N
50V
C600
100N
50V
C602
100N
50V
C606
100N
50V
C612
100N
50V
C614
100N
50V
C608
100N
50V
C604
100N
0W063
R606
10M0
0W063
R608
10M0
0W063
R618
10M0
0W063
R616
10M0
0W063
R626
10M0
0W063
R628
10M0
AGND
AGND
AGND
AGND
AGND
AGND
AGND
NF
NF
NF
P600
P602
P606
P614
P608
P610
P604
P612
P620
P622
P616
P618
BIAS L1+
BIAS L1+
BIAS L1-
BIAS L1-
BIAS L2+
BIAS L2+
BIAS L2-
BIAS L2-
BIAS L3+
BIAS L3+
BIAS L3-
BIAS L3-
AGND
BIAS R1
+3V3
+3V3
NF
NF
NF
NF
NF
NF
0W063
R601
200K
0W063
R605
200K
0W063
R612
200K
0W063
R615
200K
0W063
R622
200K
0W063
R625
200K
0W063
R603
10K
0W063
R613
10K
0W063
R623
10K
50V
C611
100N
50V
C601
100N
50V
C603
100N
50V
C607
100N
50V
C613
100N
50V
C615
100N
50V
C609
100N
50V
C605
100N
0W063
R607
10M0
0W063
R609
10M0
0W063
R619
10M0
0W063
R617
10M0
0W063
R627
10M0
0W063
R629
10M0
AGND
AGND
AGND
AGND
AGND
AGND
AGND
NF
NF
NF
P601
P603
P607
P615
P609
P611
P605
P613
P621
P623
P617
P619
BIAS R1+
BIAS R1+
BIAS R1-
BIAS R1-
AGND
BIAS R2+
BIAS R2+
BIAS R2-
BIAS R2-
BIAS R2
BIAS R3
BIAS R3+
BIAS R3+
BIAS R3-
BIAS R3-
2
3
1
IC604A
DG412DY-T1-E3
6
7
8
IC604B
DG412DY-T1-E3
10
11
9
IC604C
DG412DY-T1-E3
14
15
16
IC604D
DG412DY-T1-E3
TR600
MMUN2211LT1
+3V3
0W063
R630
10K
DGND
2
3
1
IC605A
DG412DY-T1-E3
6
7
8
IC605B
DG412DY-T1-E3
10
11
9
IC605C
DG412DY-T1-E3
14
15
16
IC605D
DG412DY-T1-E3
V-
4
GND
5
V+
13
VL
12
IC604E
D
G
41
2D
Y
-T
1-
E
3
V-
4
GND
5
V+
13
VL
12
IC605E
D
G
41
2D
Y
-T
1-
E
3
+14V
+3V3
-14V
+14V
+3V3
-14V
BIAS CH SEL
DGND
MCU BIAS1
MCU BIAS2
MCU BIAS3
MCU BIAS1
MCU BIAS2
MCU BIAS3
BIAS CH SEL
DGND
DGND
BIAS L1
BIAS L2
BIAS L3
BIAS R1
BIAS R2
BIAS R3
DGND
DGND
DGND
P627
P628
P629
P630
P631
P624
P625
2
3
1
8
4
IC600A
TLV8542D
6
5
7
IC600B
TLV8542D
2
3
1
8
4
IC601A
TLV8542D
6
5
7
IC601B
TLV8542D
2
3
1
8
4
IC602A
TLV8542D
6
5
7
IC602B
TLV8542D
2
3
1
8
4
IC603A
TLV8542D
6
5
7
IC603B
TLV8542D
19_E007
JH
14/03/19
G.0
No Change
19_E027
PK
17/05/19
1.0
None to this sheet
19_E035
PK
08/11/19
1.1
None to this sheet
19_E040
PK
03/12/19
2.0
PCB change only
20_E002
PK
06/01/20
3.0
PCB change only
Содержание PA240
Страница 1: ...SERVICE MANUAL POWER AMPLIFIER PA240 ISSUE A ...
Страница 2: ...EN 2 Revision History Issue A Initial release ...
Страница 14: ...EN 14 EN 14 L288 Pre Amplifier PCB Issue 3 ...
Страница 24: ...EN 24 EN 24 L292 Power Amplifier PCB Issue 3 ...
Страница 40: ...EN 40 EN 40 L283 PSU PCB Issue 1 ...
Страница 44: ...EN 44 L308 Lifter PCB Issue 1 ...
Страница 49: ...EN 49 L285 Front Panel PCB Issue 1 ...
Страница 52: ...EN 52 Overall Dimensions ...
Страница 54: ...EN 54 Exploded Drawings ...
Страница 60: ...WWW ARCAM CO UK THE WEST WING STIRLING HOUSE WATERBEACH CAMBRIDGESHIRE CB25 9PB 44 0 1223 203200 ...