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

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Cambridge Audio Azur 540A V2.0 Amplifier
AP17708/4 Abus Module PCB Schematic
5
6
7
U6:B
NJM5532M
3
2
1
8
4
U6:A
NJM5532M
C20
100n 50V X7R
+24V
R48
47R
R47
47R
R46
150K
R44
120k
C19
10p 50V NP0
R20
150K
C14
10p 50V NP0
ABUS GND
R42
150k
ABUS GND
Q4
BC327-25
R29
100R
R28
100R
R33
4K7
R35
10K
R34
27K
R53
1K
VI
1
VO
3
GND
2
U7
L7812
C25
100n 50V X7R
C24
10uF 16V EL
ABUS GND
C26
220uF 35V EL
+12V
R41
120k
+12V
5
6
7
U5:B
NJM5532M
3
2
1
8
4
U5:A
NJM5532M
C10
100n 50V X7R
+24V
R17
47R
R18
47R
R19
150k
C15
10p 50V NP0
R32
150k
C7
10p 50V NP0
ABUS GND
ABUS GND
ABUS GND
+5V
3
OPT
1
GND
2
U3
IR REC 3/5V 37KHZ
R39
47R
C4
100n 50V X7R
C3
10uF 16V EL
R37
470R
D4
1N4148
D3
1N4148
D6
BZX79C2V7
D5
BZX79C2V7
R12
10K
ABUS GND
R14
100R
R15
100R
R13
27K
R16
27K
ABUS GND
CN4
IR EMITTER OUTPUTS
R21
120k
R43
120k
R49
10K
ABUS GND
R45
150K
C22
47U 25V EL
R25
150k
C21
47U 25V EL
R24
150k
C29
47U 25V EL
R26
120k
R23
120k
STATUS
Q5
BC337-25
+5V
LOGIC GND
+24V
ABUS GND
RIGHT
LEFT
R9
100R
R10
100R
R8
27K
R11
27K
ABUS GND
CN3
IR EMITTER OUTPUTS
+12V
R36
4K7
ABUS GND
R27
120k
R22
120k
+24V IN
F2
POLYFUSE 1-1A
F1
POLYFUSE 1-1A
R30
10K
R31
10K
CN8
JACK-CKX-3.5-12
3.5mm JACK
+5V
LOGIC GND
1
2
3
U1:A
4011 VDD=+5V
VSS=LOGIC GND
R6
220R
1
2
6
5
4
NC
3
U4
OP4N25
5
6
4
U1:B
4011
VDD=+5V
VSS=LOGIC GND
8
9
10
U1:C
4011 VDD=+5V
VSS=LOGIC GND
12
13
11
U1:D
4011
VDD=+5V
VSS=LOGIC GND
R7
220K
R38
10K
R3
10K
+5V
LOGIC GND
R4
2R2
R5
100R
R1
10K
LOGIC GND
C33
100n 50V X7R
LOGIC GND
C6
100n 50V X7R
A-BUS B
1
2
3
4
R40
47R
C5
10uF 16V EL
C30
100n 50V X7R
C13
47p 50V NP0
ABUS GND
C18
47p 50V NP0
ABUS GND
C9
47p 50V NP0
ABUS GND
C11
47p 50V NP0
ABUS GND
+24V
R50
10K
KEYPAD A
KEYPAD B
CONTROL BUS IN
EMITTER IN (MODULATED IR)
CONTROL BUS OUT
1
2
3
4
5
6
7
8
CN5
GENERIC RJ45X1
ABUS GND
RIGHT AUDIO
LEFT AUDIO
IR
STATUS
POWER
ABUS GND
RIGHT AUDIO
LEFT AUDIO
IR
STATUS
POWER
A-BUS A
IR receiver
A
K
D1
CA IR DEMODULATOR
IR receiver
A
K
D2
CA IR DEMODULATOR
C16
10U 35V NP
C17
10U 35V NP
C8
10U 35V NP
C12
10U 35V NP
C27
100U 16V EL
ABUS GND
C28
100U 16V EL
LOGIC GND
1
2
3
CN9
2,5MM 3W ST HEADER
LOGIC GND
1
2
3
4
5
CN1
2,5MM 5W ST HEADER
+5V
R2
10K
LOGIC GND
Q1
BC337-25
C2
100n 50V X7R
C1
10uF 16V EL
LOGIC GND
1
3
CN2:A
AV2-8,4-10
2
4
CN2:B
AV2-8,4-10
C31
100n 50V X7R
LOGIC GND
Q2
BC337-25
C34
100n 50V X7R
LOGIC GND
+5V
C35
100n 50V X7R
1
3
2
CN7
RICCO PCB JACK
LOGIC GND
LOGIC GND
R52
220R
Cambridge Control Bus Abus Powered Circuitry
LK1
LK7,5MM
LK2
LK7,5MM
LK3
LK7,5MM
LK4
LK7,5MM
LK5
LK7,5MM
1
2
3
4
5
6
7
8
CN6
GENERIC RJ45X1
ABUS GND
LK6
LK7,5MM
LK7
LK7,5MM
LK8
LK7,5MM
LK9
LK7,5MM
LK10
LK7,5MM
LK11
LK7,5MM
LK12
LK7,5MM
LK13
LK7,5MM
LK14
LK7,5MM
LK15
LK7,5MM
LK16
LK7,5MM
LK17
LK7,5MM
+5V
R51
100R 0.25W Fusible
C36
1N 50V CERAMIC
C23
1N 50V CERAMIC
C32
1N 50V CERAMIC
Q3
BC337-25
D7
1N4004
+5
V
3
OP
T
1
GND
2
U2
IR REC 3/5V 36KHZ
86-756-8687998
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