Power Amp Left Pcb Bom - Cambridge Audio 840A Service Manual
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Also See for 840A:
- User manual (26 pages) ,
- White paper (23 pages) ,
- Supplementary manual (5 pages)
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Cambridge Audio Azur 840A Amplifier Power Amp Left PCB BOM
A
P
N
o
V
l a
e u
47uF
47uF
220uF
220uF
1000uF
1000uF
15000uF
SEMICONDUCTORS
PY1152
LM393AP
TRANSISTORS
PY1148
MJE340
P
Y
1 1
0 5
M
E J
3
0 5
PY021
MPSA93
PY013
MPSA43
P
Y
2
4 1
B
C
3 3
- 7
5 2
PY1149
2SA1295
PY1147
2SC3264
DIODES
1N4148
1
N
4 5
4 0
1N4002
ZENER 12V
400mW
MISCELLANEOUS
Z
P
2
1 2
A
0 5
E 1
MULTITURN
PRESET 1K
MULTITURN
PRESET 10K
PY1151
D100-SSV-16
T1A AL
4031-050100-001 Fuseholder 20mm
08-1950100-150 1.7uH 10A INDUCTOR
AP16831/3
Note: resistors, capacitors and other 'generic' electronic components are not usually stocked
D
s e
i r c
t p
o i
n
T /
y
e p
35V Electrolytic Radial
(10mm) Pitch= 2.5mm
16V Electrolytic Radial (5mm)
Pitch= 2.5mm
80V Electrolytic Radial
(10.4mm) Pitch= 5mm
100V Electrolytic Radial
(12.5mm) Pitch= 5mm
10V Electrolytic Radial
(10.4mm) Pitch=5 mm
50V Electrolytic Radial
(13.4mm) Pitch= 5mm
63V Electrolytic Radial
(35.4mm) Pitch= 10mm
Dual differential comparator,
A-version for low offset
voltage
NPN Power Transistor
P
N
P
P
o
w
r e
T
a r
s n
t s i
r o
PNP High Voltage
NPN High Voltage
N
P
N
S
m
l l a
i S
n g
l a
PNP Power Audio
NPN Power Audio
Small Signal Diode
G
e
e n
a r
P l
u
p
o
e s
R
c e
f i t
r e i
General Pupose Rectifier
Zener BZX79-C12
P
O
S
T I
V I
E
T
H
E
R
I M
T S
O
R
Top adjust. Footprint 9.5 x 4.5
mm
Top adjust. Footprint 9.5 x 4.5
mm
FFC CONNECTOR 16-WAY,
Vertical "Reverse needle" type,
Single row of contacts
1 Amp 20mm antisurge fuse
To drawing Main heatsink
by the manufacturer. Please obtain these locally.
Q
y t
C
o
m
p
o
n
n e
I t
e d
1
C7
3
C1, C8, C9
2
C4, C5
1
C17
1
C6
1
C11
2
C12, C13
1
U
1
4
Q1, Q12, Q18, Q30
1
Q
2
Q3-Q6, Q20, Q22, Q24, Q27-
11
Q29, Q31
Q7-Q10, Q19, Q21, Q23, Q25,
9
Q26
1
Q
1 1
3
Q13, Q14, Q17
2
Q15, Q16
D1-D6, D8, D10-D13, D17-
18
D20, D23-D25
2
D
, 7
D
9
3
D15, D21, D22
2
D14, D16
1
T
H
1
1
VR1
1
VR2
2
CN2
1
F1
1
F1
1
L1
1
Q13, 14, 15, 16, 17
t n
N
D
L I
8 0
TO126
T
O
1
6 2
TO92WIDE
MPSA92 may be used
TO92WIDE
MPSA42 may be used
T
O
2 9
MT200
MT200
D
O
7 2
DO41
400mW DO35 Case.
N
o
i m
a n
o l
p
r e
t a
n i
g
e t
Set quiescent current.
Insert so adj screw next to R12
DC trim
Insert so adj screw next to R78
10 turns of 1.5mm copper wire, diameter
20mm, length approx 20mm
AP16696/9
t o
s e
m
p
1
0 0
d
g e
C
38
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