Front Panel - Classe Audio SSP-75 Service Manual

FRONT PANEL

Control board connector
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32 +5D
MIC+
33 34
C11
100uF
MH4
SHIELD
R2
MH6
SHIELD
0
SHIELD
MH8
SHIELD
R47
MH3
SHIELD
0
SHIELD
MH1
SHIELD
R1
MH5
SHIELD
0
SHIELD
MH2
SHIELD
R48
MH7
SHIELD
0
SHIELD
SW7 SW6 SW5
+5D
FPANEL_MOSI
FPANEL_SCLK
FPANEL_MISO
KBD_I/O_RCK
LED_I/O_RCK
VFD_I/O_RCK
I/O_ENABLE
IR_RECEIVER
VOL_ROT_1
VOL_ROT_2
KBD_ACTIVE
VFD_E
SW10 SW9 SW8
+5D
IC1
16
VCC
14 15
FPANEL_MOSI SERIN Q0
+5D 1
Q1
11 2
FPANEL_SCLK SRCLK Q2
10 3
SRCLR Q3
4
Q4
12 5
LED_I/O_RCK RCLK Q5
13 6
I/O_ENABLE G Q6
7
Q7
9
SEROUT
8
GND
74HC595
+5D
+5D
IC2
16
VCC
14 15
SERIN Q0
+5D 1
Q1 VFD_RS
11 2
FPANEL_SCLK SRCLK Q2 VFD_R/W
10 3
SRCLR Q3 KBD_READ
4
Q4
12 5
LED_I/O_RCK RCLK Q5
13 6
I/O_ENABLE G Q6
7
Q7
9
SEROUT
8
GND
74HC595
VF buffer
+5D
IC3
16
VCC
14 15
FPANEL_MOSI SERIN Q0
+5D 1
Q1
11 2
FPANEL_SCLK SRCLK Q2
10 3
SRCLR Q3
4
Q4
12 5
VFD_I/O_RCK RCLK Q5
13 6
I/O_ENABLE G Q6
7
Q7
9
SEROUT
8
GND
74HC595
KBD_ACTIVE
R26
10k
SW3
SW4 SW2 SW12 SW11
R38 82
R3782
R32 82
+5D
R31 82
IC4
20
R4
VCC
R7
82
82
2 18
1A1 1Y1
4 16
1A2 1Y2
6 14
1A3 1Y3
8 12
1A4 1Y4
R9 82
R12 82
17 3
2A1 2Y1 R6 330
Button leds
15 5
2A2 2Y2
13 7
1=Surr, 2=Dig, 7=Pres, 8=Src
2A3 2Y3
11 9
2A4 2Y4
R8
R11
330
1
330
1G
19 10
2G GND
74HC244
R36
R35
2k7
2k7
R34
Mode leds
R33
2k7
750
3=DTS, 4=DD, 5=PL, 6=overload
+5D
VF Display
VF DISPLAY
VFD1
CU20025ECPB-U1J
VFD_RS
VFD_R/W
VFD_E
+5D
C5 C4 C3
100nF 100nF 100nF
+5D
IC6
16
VCC
14 9
SERIN SEROUT
11
FPANEL_SCLK SRCLK
10
SRCLR
15
Q0
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
13
KBD_READ SLOAD
12
KBD_I/O_RCK RCLK
8
GND
74HC597
IC5
+5D
+5D 16
VCC
14 9
SERIN SEROUT FPANEL_MISO
11
FPANEL_SCLK SRCLK
10
SRCLR
15
Q0
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
13
KBD_READ SLOAD
12
KBD_I/O_RCK RCLK
8
GND
74HC597
IR Receiver
C14
100nF
+5D +5D
R46
330
REC1 C12 R45
22k
100uF
2
3
IR_RECEIVER
1
TSOP1736
Rotary switch
2
VOL_ROT_1
+5D
3
1
VOL_ROT_2
SW1
Noble SBD161PVB20F-1-2-36
C1
100uF
X2
5
4
2
3
MIC+
7
8
1
HTJ-035-17
C13 C2 C16
100nF 100nF 100nF
SSP-75
Classé - 35