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Yamaha PX10 Service Manual page 98

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START-UP SEQUENCE
⇒ ⇒
⇒ ⇒ ⇒ ⇒ ⇒
Boot Section
LED
POW-LD
OUTPUT
0
1
PROTA-LD
OUTPUT
(0)
PROTB-LD
OUTPUT
(0)
SIGA-LD
OUTPUT
(0)
SIGB-LD
OUTPUT
(0)
LIMA-LD
OUTPUT
(1)
LIMB-LD
OUTPUT
(1)
ALRT-LD
OUTPUT
(0)
USB-LD
OUTPUT
(0)
0/1 0/1 0/1
SSP0
/EVOL-CS
OUTPUT
SSP1
/FLA-CS
OUTPUT
LCD
/LCD-RST
OUTPUT
0
1
/LCD-CS1
OUTPUT
Assert
/LCD-WR
OUTPUT
Assert
LCD-Dx
OUTPUT
Output
LCD-BL
OUTPUT
0
Oscillation
FAN
FAN-CONT
OUTPUT
Oscillation
VOL
VOL-ALT
OUTPUT
OTHER
USB-H/D
OUTPUT
0
/AMP-MUTE-A
OUTPUT
0
/AMP-MUTE-B
OUTPUT
0
/ADDA-RST
OUTPUT
(0)
/DSP-MUTE
OUTPUT
(0)
/DSP-RST
OUTPUT
(0)
POFF-REQ
OUTPUT
(0)
I2C0
SDA-SPR INPUT-OUTPUT
SCL-SPR INPUT-OUTPUT
I2C1
SDA-DP2 INPUT-OUTPUT
SCL-DP2
INPUT-OUTPUT
SW
/SELA-SW
INPUT
Acquire
/SELB-SW
Acquire
INPUT
/MENU-SW
INPUT
Acquire
/EXIT-SW
INPUT
Acquire
ENC-SW
INPUT
ID
SERIES-ID0
INPUT
SERIES-ID1
INPUT
SERIES-ID2
INPUT
AUDIO-ID
INPUT
PS-ID0
INPUT
PS-ID1
INPUT
VOL
VOL-A
INPUT
VOL-B
INPUT
OTHER /PWR-OFF
INPUT
⇒ ⇒ ⇒
⇒ ⇒ ⇒
0
1
0
0
0
0
1
1
0
0
0
0
0
1
Assert
Assert
Output
Oscillation
Oscillation
1
0
0
0
0
0
0
0
Acquire
Acquire
Acquire
Acquire
Acquire
Acquire
Acquire
Acquire
Acquire
Acquire
⇒ ⇒
Program Section
Assert
0
0
1
Input-Output
Input-Output
Input-Output
Input-Output
Input-Output
Input-Output
⇒ ⇒ ⇒ ⇒ ⇒ ⇒
Assert Assert Assert
1
0
1
Input-Output
Input-Output
Input-Output
Input-Output
PX10/PX8/PX5/PX3
⇒ ⇒
Assert
Assert Assert
Assert Assert
Output Output
Toggle
1
1
Acquire
Acquire
99

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