Main Pcb Schematic (Tone Control) - Cambridge Audio 340A Service Manual

VR2:A
TREBLE
B20K LINEAR
3
R3
4k7
R CH IN
R11
8k2
VR3:A
B20K LINEAR
3
BASS
C6
150n poly
VR2:B
TREBLE
B20K LINEAR
6
R43
C10
4k7
330p poly
L CH IN
R45 R20
8k2 22k
VR3:B
B20K LINEAR
6
BASS
C11
150n poly
To enhance viewing, please print to A3
Cambridge Azur 340A Intergrated Amplifier
C19
47u 16V
1
R2
C1
4k7
330p poly
C9
10p
R1 R4
22k 8k2 +15V C17
47n poly
1
U2:A
3
1
2
NE5532
C16
47n poly
-15V
TONE CONTROL
4
R42
4k7
C15
10p
R44
8k2
4
U2:B
5
7
6
NE5532
AP14476/3 Main PCB Schematic (Tone Control)
SW1:B
SW-DPDT
R52
DEFEAT
150k
VR1:A
20K MOTORISED DUAL POT
C20
2
47u 16V
R59
150k
VOLUME/BALANCE CONTROL
C29
SW1:A
47u 16V
SW-DPDT
DEFEAT
R54
150k
C32
VR1:B
47u 16V
5
R60
150k
20K MOTORISED DUAL POT
VR4:B
POWER AMP RIGHT
5
MN20K BALANCE
ZERO LOSS
WHEN CENTRAL
VR4:A
POWER AMP LEFT
2
MN20K BALANCE
13