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

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Cambridge Audio Azur 540A V2.0 Amplifier
AP17657/1 Front Panel PCB Schematic
Temp
MCLR
Chassis CRS1
FREQ=4MHz
1
2
CN4
H2 2.54mm 90
MOTOR
C4
100n
FIN
1
GND1
2
RIN
3
NC
4
GND2
5
VCC
6
OUT2
7
COM
8
OUT1
9
U1
BA6218
+5
V
DGND
R17
10k
R21
10k
R16
10k
+5V
DGND
DGND
C7
100n
R19
10k
D
2
CLK
3
STB
1
OE
15
Q0
4
Q1
5
Q2
6
Q3
7
Q4
14
Q5
13
Q6
12
Q7
11
QS
9
QS
10
VD
D
16
VS
S
8
U3
74HC4094
R20
220R
+5V
C9
100n
D2
CHANNEL LED
D3
CHANNEL LED
D4
CHANNEL LED
D5
CHANNEL LED
D6
CHANNEL LED
D7
CHANNEL LED
SW7
STANDBY
SW6
CD
SW1
TUNER
SW2
AV
SW5
PHONO/AUX
SW3
TAPE MON
SW4
DVD
+5V
3
OPT
1
GND
2
U4
IR REC 3/5V 36KHZ
R18
10k
+5V
C11
100nF 50V X7R
+5V
DGND
R7
220R
LED Strobe
Data
Clock
Clock
Data
LED Strobe
vol up
vol down
vol up
vol down
R6
10k
R12
220R
LK6
LINK10MM
C5
100n
1
2
3
4
5
6
7
8
CN6
H8 2.54mm 90
DGND
+5
V
LK5
LINK10MM
R8
10k
D8
Blue flat top LED
Standby
DGND
1
2
3
4
5
6
CN5
2,5MM 6W 90 HEADER
1
2
3
4
5
6
CN8
2,5MM 6W 90 HEADER
DGND
Q2
BC337
R4
10k
R23
220R
DGND
R5
220R
SNAP OFF SECTION (c)
R10
22R
R11
22R
R9
22R
Speaker A Relay
VI/Short
Standby Relay
Clip
DC
1
2
3
4
5
6
7
CN7
2,5MM 7W 90 HEADER
I2C Clock
I2C Data
I2C Switch Strobe
DGnd
CA Control Bus IR
ABUS IR
ABUS Status
1
2
CN10
2,5MM 2W 90 HEADER
HP Detect
DGnd
SNAP OFF SECTION (d)
DGND
DGND
RC6
17
RC5/SDO
16
RC4/SDI/SDA
15
RC3/SCK/SCL
14
RC2/CCP1
13
RC1/T1OSI
12
RC0/T1OSO/T1CKI
11
OSC2/CLKO
10
RA0/AN0
2
RA2/AN2
4
MCLR/Vpp
1
RA1/AN1
3
RA3/AN3/Vref
5
RB1
22
RB7/PGD
28
RA4T0CKi
6
RA5/AN4/SS
7
Vss2
8
OSC1/CLKI
9
RB2
23
RB3
24
RB6/PGC
27
RB4
25
RB5
26
VSS
19
RC7
18
VDD
20
RB0/INT
21
U2
PIC16F72I/SP
R13
10k
DGND
J14
TERMINAL
C8
10N 50V NP0
1 2 3 4 5 6
CN9
2,5MM 6W 90 HEADER
DGND
+5V
+5
V
LK1
LINK10MM
MCLR
LK7
LINK10MM
DGND
Clock
Data
Switch Strobe
Switch Strobe
ABUS IR
ABUS IR
ABUS Status
ABUS Status
IR In
+5V
IR In
IR In
DGND
LK4
LINK10MM
R15
47R
C10
no stuff
LK3
LINK10MM
C12
10U 16V EL
R14
47R
D9
LED 3MM RED
protection
R3
2R2
J9
TERMINAL
(1)
J10
TERMINAL
J16
TERMINAL
(1) J17
TERMINAL
C6
220U 16V EL
Q1
BC337
R22
10k
R26
10k
DGND
LK2
LK7,5MM
LK8
LK15MM
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