Cambridge Audio Azur 540A V2.0, Руководство по обслуживанию

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Cambridge Audio Azur 540A V2.0 Amplifier
AP17653/2 Amp PCB Schematic (Protection)
LE1
LE2
R34
2k2 8th
R26
2k2 8th
R84
470R 8th
R102
47k 8th
R74
18k 8th
D16
5V1 Zener 400mW
DGND
PIC VI/Short
+45V R
R79
18k 8th
D18
1N4148
SPEAKER TEST
1
2
RL2:A
12V 8A RELAY
Speaker A Relay
R107
1k 8th
R101
47k 8th
R106
10k 8th
1
2
3
4
5
6
CN10
H6 2.54mm
R33
91k 8th
R25
91k 8th
R82
470R 8th
+45V. L
-45V. L
R83
820R 8th
R81
820R 8th
RE1
RE2
R72
2k2 8th
R64
2k2 8th
R94
470R 8th
R71
91k 8th
R62
91k 8th
R92
470R 8th
+45V. R
-45V. R
R93
820R 8th
R91
820R 8th
RO LO
Q37
MPSA42
Q36
MPSA42
Q40
MPSA42
Q41
MPSA42
Q33
MPSA92
1
2
RL1:A
12V 8A RELAY
Speaker B Relay
Q34
MPSA14
D27
1N4004
D28
1N4004
D26
1N4004
R103
1k 8th
R105
10k 8th
Q35
MPSA14
D6
1N4148
D9
1N4148
D7
1N4148
D10
1N4148
DGND
DGND
R63
100k 8th
R42
100k 8th
R109
100k 8th
R AMP
+45V P
-45V P
RO
PIC DC Detect
D5
1N4148
D8
1N4148
R112
100k 8th
L AMP
LO
RO
D25
1N4148
R96
100k 8th
R95
15k 8th
R97
120k 8th
R99
100k 8th
R77
10k 8th
LO
D24
1N4148
R86
100k 8th
R85
15k 8th
R100
15k 8th
+45V. R
R98
120k 8th
D17
5V1 Zener 400mW
DGND
PIC Clip Detect
1
2
3
4
5
CN6
2,5MM 5W ST HEADER
To input PCB/To PIC
DGND
PIC DC Detect
PIC Clip Detect
PIC VI/Short
Temp Sense
DGND
R75
47k 8th
TH1
ZPP22 100DEG
Mounted on Heatsink
C64
220P 50V CER
C63
220P 50V CER
C69
220P 50V CER
C70
220P 50V CER
C65
220U 16V EL
C66
220U 16V EL
C68
220U 16V EL
C67
220U 16V EL
C62
4,7N 50V CER
R88
100k 8th
R87
120k 8th
R89
15k 8th
R90
120k 8th
C55
10U 25V NP
C54
10U 25V NP
1
2
3
4
5
6
7
8
CN2
2,5MM 8W 90 PIN HEADER
1
2
3
4
5
6
7
8
CN8
2,5MM 8W 90 PIN HEADER
H1B H1A
H15BH15A
H9B H9A
H4A H4B
H3A H3B
H2A H2B
-45V P
LK3
LK20MM 24AWG
LK4
LK20MM 24AWG
H5A H5B
H8A H8B
+45V P
H7B H7A
H1B H1A
H2B H2A
H3B H3A
H4B H4A
H5B H5A
H6B
H7B
H7A
H8B H8A
H6B
1
2
3
4
5
6
7
8
CN3
2,5MM 8W 90 PIN HEADER
1
2
3
4
5
6
7
8
CN9
2,5MM 8W 90 PIN HEADER
H9B H9A
H10B H10A
H11B H11A
H12B H12A
H13B H13A
H14B
H15B
H15A
H16B H16A
H12A H12B
H11A H11B
H10A H10B
H13A H13B
-45V. R
H14B
H16A H16B
LK22
LK7,5MM
LK20
LK7,5MM
LK21
LK7,5MM
LK24
LK7,5MM
LK42
LK7,5MM
LK43
LK7,5MM
LK30
LK7,5MM
Q31
MPSA42
Q30
MPSA92
Q42
MPSA92
Q39
MPSA92
Q38
MPSA42
Q43
MPSA42
R116
2k2 8th
R117
120k 8th
R118
100R 8th
Q44
MPSA42
D31
1N4148
R119
2k2 8th
R120
120k 8th
R121
100R 8th
Q45
MPSA42
D32
1N4148
LK23
LK7,5MM
VI Output (R)
VI Bottom Input (R)
Amp Output (R)
VI Top Input (R)
-45V (R)
Amp Output (R)
Clip Output (R)
+45V (R) VI Output (R)
VI Bottom Input (R)
Amp Output (R)
VI Top Input (R)
-45V (R)
Amp Output (R)
Clip Output (R)
+45V (R)
Right Protection PCB Connector Left Protection PCB Connector
86-756-8687998
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