Cambridge Audio 340A - Page 17

AP PART
No.
DRAWING NO DESCRIPTION QTY DESIGNATOR NOTES
1N5402 General Purpose Rectifier 4 D1-D4
1N4002 General Purpose Rectifier 4 D5-D8
1N4001 General Purpose Rectifier 1 D9
1N4148 High Speed Signal 6 D10-D15
BZX85-C5V1 Zener 400mW 1 D16
PY649 T6.3AL 6.3A time delay Fuse-20mm low
breakin
g
ca
p
acit
y
2 F1, F2 Secondary fuses
PY595 T3.15AL 3.15A time delay Fuse-20mm low
breakin
g
ca
p
acit
y
1 F3 230V mains fuse
PY647 T1AL 1A time delay Fuse-20mm low
breakin
g
ca
p
acit
y
2 F4, F5 Secondary fuses
4031-050100-001 Fuseholder 20mm 5 F1, 2, 3, 4, 5
4034-000030-000 Fuseholder cover 1 F3 Place on mains fuse holder F3
H8 2.54mm CONN-SIL8 1 J2 Vertical connector
BLUE/WHITE eyelet 1 J5 Terminate txfmr mains lead
BROWN/BLACK eyelet 1 J6 Terminate txfmr mains lead
25X7MM
INDUCTOR
3203-874801-000 2 L1, L2 As 540A amplifier
PY594 12V coil, 8A
250VACMassuse Me-
11 012-2Z4
Relay-s 1 RL1
PY004 20K MOTORISED
DUAL POT
Pot-Dual-Motor 1 VR1 As 540A amplifier. IMPORTANT leads
must be cro
pp
ed close to PCB
PY003 B20K LINEAR Pot-Dual 2 VR2, VR3 As 540A amplifier. IMPORTANT leads
must be cro
pp
ed close to PCB
PY005 MN20K BALANCE Pot-Dual 1 VR4 As 540A amplifier. IMPORTANT leads
must be cro
pp
ed close to PCB
M3 x 10 Taptite Power Amp IC Fix Screw 2 Fix IC tab to heatsink
M3 Power Amp IC Insulating Bush 2 Insulate fix screw from IC tab
Precut washer type
K177-NA-617
Power Amp IC Insulating Washer 2 K177 is the material type. NA means "no
adhesive". Self-adhesive version would
be technicall
y
acce
p
table.
Dwg no: AP14899/1 Power Amp Heatsinks 2 Black anodised
6510-150310-000
(
Pressure board
)
Power Amp IC Bracket 2 Holds IC body against heatsink
M3 x 6 Taptite Power Amp IC Bracket Fix Screws 4 Fix bracket to heatsink
Screw M3.5x10mm
BTB thread, Binding
Head, cross recess,
black
p
lated
Heatsink Fixing Screws 4 7003-510003-111
Metal Washer
OD=10mm
ID=3.5mm
Thk=0.8mm
Heatsink Fixing Washers 4 7103-610008-022
M4 x 12 machine
screw
IEC socket fix screws 2 Fix IEC socket to PCB
M4 locking washer IEC socket fixing 2 Fix IEC socket to PCB
M4 nut IEC socket fixing 2 Fix IEC socket to PCB
AP15508/1 Power LED wireform 1 Solder to pads P1, P2
10mm long Wire link 37 LK11-22, LK29-37, LK39-
56
25mm long Wire link 19 LK 1-10, LK 23-28, LK36-
38
PY646 2330-005901-300 Headphone Jack 1 CN1 As 540A amplifier
PY647 WP8-21A Spkr 4-Way 1 CN2 Note: red terminals at top. Modified
mechanicall
y
as
p
er our instructions.
PY226 2336-003910-002 IEC-Socket 1 CN3 As 540A amplifier
PY036 2330-006911-021 Quad Phono 3 CN4, CN5, CN8 As 540A amplifier, Zuanbao AV4-8.4-9
PY035 AV2-8.4-9 Dual Phono 1 CN9
17