Yamaha DSP-A595a Manual de serviço - Página 28

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DSP-A595a
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3 7 63 1515 0
IC800 : LC876564A-5M19
µ
8 bit Main
-COM
Pin
Pin
Port
I/O
No.
Name
1
P16
FLA-CLK I/O Flash clock
2
P17
FLA-I/O I/O Flash input/output
3
P30
FLA-SEL I/O Flash select
4
P31
T-MUTE
O Tuner mute (L: ON)
DSP-MTS O Transmit data for Sub µ-COM
5
P32
DSP-STM I Receive data from Sub µ-COM
6
P33
DSR-SCK O Clock for Sub µ-COM
7
P34
DSP-RTN I Clock from Sub µ-COM
8
P35
DSP-TRQ I Transmit request from Sub µ-COM
9
P36
DSP-RESET O Reset for Sub µ-COM
10
P37
11
/RES
/RES
12
XT1
T-/ST
I Stereo from Tuner
13
XT2
14
Vss1
Vss1
15
CF1
16
CF2
17
VDD1
VDD1
18 P80/AN0
KEY1
I Key 1 AD input
19 P81/AN1
KEY2
I Key 2 AD input
20 P82/AN2
KEY3
I Key 3 AD input
TE
L 13942296513
21 P82/AN3
KEY4
I Key 4 AD input
22 P84/AN4 T-METER I Tuner meter AD input
23 P85/AN5
PRO1
I Protection 1 detect (PRD)
24 P86/AN6
PRO2
I Protection 2 detect (PRI)
25 P85/AN5
PRO3
I Protection 3 detect (PRV1)
∗1 Protection 1, 2 and 3 detect
• After a few seconds the Power ON, and protection detect start.
Protection 1
Abnormal DC of the amplifier.
Protection 2
Abnormal overcurrent of the amplifier.
Protection 3
Abnormal Voltage of the amplifier.
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.
21
http://www.xiaoyu163.com
Function
System reset
Unconnected
Ground
Ceramic Oscillator Connected (10MHz)
Ceramic Oscillator Connected (10MHz)
Power supply
Detection
x
ao
y
i
http://www.xiaoyu163.com
8
Pin
Pin
Port
No.
Name
26 P70/INT0
PDT
27 P71/INT1
FMT
28 P72/INT2
29 P73/INT3 REMOTE
30
S0/T0
G1
31
S1/T1
G2
32
S2/T2
G3
33
S3/T3
G4
34
S4/T4
G5
35
S5/T5
G6
36
S6/T6
G7
37
S7/T7
G8
38
S8/T8
G9
39
S9/T9
G10
40 S10/T10
G11
41 S11/T11
G12
42 S12/T12
G13
43 S13/T13
G14
44 S14/T14
G15
Q Q
45 S15/T15
G16
3
6 7
1 3
46
VDD3
VDD3
47 S16/PC0
P1
∗1
48 S17/PC1
P2
∗1
49 S18/PC2
P3
∗1
50 S19/PC3
P4
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2 9
9 4
2 8
I/O
Function
I Power down detect
O Full mute (L : ON)
I/O Unconnected
I Remote Control signal
O FL Grid 1
O FL Grid 2
O FL Grid 3
O FL Grid 4
O FL Grid 5
O FL Grid 6
O FL Grid 7
O FL Grid 8
O FL Grid 9
O FL Grid 10
O FL Grid 11
O FL Grid 12
O FL Grid 13
O FL Grid 14
O FL Grid 15
O FL Grid 16
1 5
0 5
8
2 9
9 4
Power supply
O FL Segment 1
O FL Segment 2
O FL Segment 3
O FL Segment 4
m
co
9 9
2 8
9 9