Classe Audio SSP-30 Service Manual page 21

Preamplifier / processor
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FRONT PANEL
StandardSlot Circuits:
Slot Connector
R46
R45
R43
R21
R24
+5D
+5D
4k7
4k7
4k7
4k7
4k7
R47
10k
SlotSelect
SerialClk
MISO
MOSI
11
In1
13
Out1
15
17
Out2
19
IdentClk
Slot Identification circuit
IC9
1
-reset
SH/DL
2
IdentClk
CLK
15
CLK inh
+5D
10
SER
7
Qh
9
IdentDataOut
Qh
74HC165
Hw2: Titan Frontpanel with LED-display
Hw3: Titan Frontpanel with VFD
Mounting holes
MH1
MH7
MH6
Scope hooks,powerfor prototypingetc.
X5
X1
X4
X2P1M
X2P1M
X2P1M
+5D
R23
R22
C40
+5D
4k7
4k7
100uF
X2
1
2
3
4
5
6
7
8
Interrupt
9
10
-reset
12
14
Out3
16
Reserved1
18
Reserved2
20
IdentDataOut
X20P2M
Jumper to select VFD (LSB = 1)
J1
JUMPER2
+5D
+5D
16
C51
VCC
100n
11
A
12
B
13
C
R65
14
D
3
10k
E
4
F
5
G
6
H
8
GND
MH2
MH3
MH4
MH5
Unusedgates
IC14B
3
4
74HC04
+5D
+5D
IC14C
5
6
2
2
X3
X6
74HC04
X2P1M
X2P1M
IC14D
1
1
9
8
74HC04
IC14E
11
10
74HC04
IC14F
13
12
74HC04
GeneratingStrobes
+5D
IC5
16
C37
Vcc
100n
1
15
Out1
A0
Y0
LatchIn
2
14
Out2
A1
Y1
LatchOut
3
13
Out3
A2
Y2
SPI_OUT_E
12
Y3
ClearInt
11
Y4
LatchLCD
4
10
E1
Y5
+5D
5
9
+5D
E2
Y6
6
7
TP3
E3
Y7
IC14A
14
TP2
Vss
8
GND
1
2
74HC138
7
GND
74HC04
(Optional) LCD/VFD connection
+5D
+5D
IC13
16
C71
VCC
100n
14
15
LCD_D0
MOSI
SERIN
Q0
1
LCD_D1
Q1
11
2
LCD_D2
SerialClk
SRCLK
Q2
10
3
LCD_D3
SRCLR
Q3
4
LCD_D4
Q4
12
5
LCD_D5
LatchLCD
RCLK
Q5
13
6
LCD_D6
G
Q6
7
LCD_D7
Q7
9
SEROUT
8
GND
74HC595
+5D
+5D
IC12
16
C70
VCC
100n
14
15
LCD_RS
SERIN
Q0
1
TP17
Q1
11
2
TP16
SRCLK
Q2
10
3
TP15
SRCLR
Q3
4
TP14
Q4
12
5
TP13
RCLK
Q5
13
6
TP12
G
Q6
7
TP11
Q7
9
TP10
SEROUT
8
GND
74HC595
IR receiver
C101
100n
+5D
+5D
R109
330R
R110
C102
22k
100uF
2
3
Reserved2
1
TSOP1736
C74
100n
LCD1
4
RS
5
R/W
6
E
7
D0
8
D1
9
1
+5D
D2
GND
10
D3
11
2
D4
V+
12
D5
C73
C69
13
D6
100n
100uF
14
D7
NoritakeCU20025ECPB-U1J
SSP-30
REC1
Classé - 16

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