Cambridge Audio AZUR 351A, Service Manual, Page: 24 / 33

24
Volume Control PCB Schematics
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The Audio Partnership
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Hankey Place
LONDON SE1 4BB
Tel : +44 (0)171 940 2200
Fax : +44 (0)171 940 2233
DRAWN BY
CHECKED BY
DATE
DRAWING TITLE
DRAWING No. PAGE
SHEET TITLE
GENERAL NOTES
Dave M
08/02/12
350A & 351A Volume PCB
Volume Control PCB
AP24041/3 1/1
1.
2.
3.
4.
5.
7
3
2
Ch
9
VR1:A
50k log
ALPS volume pot with motor
6
4
5
VR1:B
50k log
ALPS volume pot with motor
Out.
Out.
Out.
Pot Shield
Out.
C1
Ceramic
10nF 50V
Input Gnd
1
2
CA1
Solder on to volume pot motor
120mm tinned cable
Cable assembly
VOLUME CONTROL MOTOR
VIEWED FROM REAR
BLUE DOT
RED
BLACK
1
2
3
4
5
6
CA2
Rev 3 change: CN1 connector changed to CA2 solder-in cable assembly
Note: Resistors, capacitors and other generic components are not usually stocked by the manufacturer. Please obtain these locally.
Volume Control PCB BOM
RESISTORS VARIABLE
Value Description/Type Qty Component
Ident
ManPN Tolerance PackageInfo Service Part Numbers
1 50k log ALPS volume pot
with motor
1 VR1 RK16812MG082 16mm Motorised Volume Pot
PY1603
CAPACITORS
Value Description/Type Qty Component
Ident
ManPN Tolerance PackageInfo AP Numbers
2 10nF 50V Ceramic 1 C1 1N5402 10% 2.5mm Pitch
MISCELLANEOUS
Value Description/Type Qty Component
Ident
ManPN Tolerance PackageInfo AP Numbers
3 120mm tinned
cable
Cable assembly 1 CA1 AP26761/1 2.5mm Pitch Solder on to volume pot motor
4 60mm cable
assembly
Cable assembly 1 CA2 AP26762/2 2.5mm Pitch Solder to CN1 on volume PCB
PCB
Value Description/Type Qty Component
Ident
ManPN Tolerance PackageInfo AP Numbers
5 AP Numbers
Schematic is
AP25801/3
Gerber is
AP25802/1
Construction details
AP25803/1
Test Procedure N/A