Yamaha DPX-530, Руководство по обслуживанию

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DPX-530
DPX-530
FUNCTION TABLE
INPUTS
OUTPUT
G A/B A B
Y
H X X X L
L L L X L
L L H X H
L H X L L
L H X H H
2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
Function Table
H= HIGH Logic Level
L= LOW Logic Level
Inputs Output
B Y
L
H
L
L H
H L
A
B
GND
Y
Vcc
H
A
L
H
H
L
1
2
3
5
4
IC589 NC7SZ86P5X
IC585 SN74LVC157APWR
1
2
3
4
6
5
7
8
9
18
17
16
15
14
13
12
11
10
H SYNC DET.
SYNC SEPA.
V SYNC SEPA.
V SYNC DET.
CLAMP PULSE GEN.
HOR. SYNC
CONTROL
HSCTL
C / HSYNC IN
VIDEO IN
VSEPA
VSYNC IN
CVPOL
CVEXI
CPSEL
GND
POLH
EXIH
POLV
EXIV
Vcc
HDRV
CLAMP
VDRV
CPWID
IC560 BA7078AF
IC5A0 MC74HC4538ADTR2
PIN 16 = V
CC
PIN 8 = GND
R
X
AND C
X
ARE EXTERNAL COMPONENTS
PIN 1 AND PIN 15 MUST BE HARD WIRED TO GND
Q2
RESET 2
B2
A2
TRIGGER
INPUTS
Q2
15
14
12
11
13
10
9
FUNCTION TABLE
Inputs Outputs
Reset A B Q Q
H H
H L
H X L Not Triggered
H H X Not Triggered
H L,H, H Not Triggered
H L L,H, Not Triggered
L X X L H
X X Not Triggered
Cx2/Rx2 GND
Q1
RESET1
B1
A1
TRIGGER
INPUTS
Q1
1
2
4
5
3
6
7
Cx1/Rx1 GND
3
4 5
1
GND
Vin
Vc
Vo
2
Nr
CONTROL
IC6A1 PQ1M335M2SP
IC6L2 NC7SZ157P6X
1
2
3 4
5
6 S
Vcc
Z
GND
I
o
I
1
1
0