Cambridge Audio 640C - Front Panel PCB Schematic

Cambridge Audio Azur 640C CD Player
AP12992/3 Front Panel PCB Schematic
SW1
PLAY/PAUSE
SW2
STOP
SW3
OPEN/CLOSE
1
2
CN1
CONN-H2
SEG11
16
SEG10
15
SEG9
14
SEG8
13
SEG7
12
SEG6
11
SEG5
10
SEG4
9
SEG3
8
SEG2
7
SEG1
6
SEG0
5
COM3
4
COM2
3
COM1
2
COM0
1
SEG12
17
SEG13
18
SEG14
19
SEG15
20
SEG16
21
SEG17
22
SEG18
23
LCD1
LCD
PACKAGE=LCD D600
1
2
3
4
5
6
7
8
CN2
CONN-H8
1
2
3
4
5
6
7
8
CN3
CONN-H8
1
2
3
4
5
6
7
CN4
CONN-H7
R3
27K
R4
33K
R5
2K7
R6
10K
R7
82K
R8
1K5
R9
82K
C1
100n
+5V
C2
1000p
C3
1000p
R10
68K
R11
3K3
+5V
FORWARD SKIP FORWARD SEARCH
BACKWARD SKIP BACKWARD SEARCH
SW4
SW-TACT
SW5
SW-TACT
+5V
3
OPT
1
GND
2
U2
TSOP18 IR RECEI
C4
100n
R15
330R
VSS
14
RB2
11
RC4
6
RC2
8
RC3
7
RB1
12
RB4/OSC2/CLKOUT
3
RB0
13
VDD
1
RB5/OSC1/CLKIN
2
RB3/MCLR/VPP
4
RC5/TOCKI
5
RC1
9
RC0
10
U3
16C505
SW6
SW-TACT
P1
PAD
P2
PAD
PGND
R12
4K7
R13
10K
Q2
BC327
+5V
1
2
3
CN5
CONN-H3
D2
LED
Standby
1
2
3
CN6
CONN-H3
1
2
3
4
5
6
7
CN7
CONN-H7
C6
10uF 10V
R14
820R
Q1
BC337
R2
1K8
R16
33R
D1
1N4148
D3
1N4148
K1
K2
+5V
PWR DET
RESET
R1
820R
86-756-8687998
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