Onkyo MD-101A, Service Manual

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MD-101A
MD-101A
I/O I/O
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80 METEST
JAPAN
CHECK
CHKSIG
NOT USED (GND)
LINEMUTE
SYSOUT
SYSIN
NOT USED (GND)
RESET
REMIN
REQ
POFF
ME MUTE
NOT USED (GND)
VSS0 (GND)
VDD1
X2
X1
IC (VPP)
XT2 (OPEN)
XT1
VDD0
AVREF0
K0
K1
NOT USED (GND)
SUB ACK
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O
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O
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---
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NOT USED (GND)
ROTEN1
ROTEN2
AVSS
NOT USED
SUB STB
AVREF1
SUB RESET
SUB DATA
SUB CLK
MEDA
SYDA
MECLK
FLASH1
FLASH2
NOT USED(GND)
MERESET
MECS
SHUT DOWN
NOT USED (OPEN)
OPT OFF
NOT USED (OPEN)
FILAMENT
NOT USED( GND)
VSS1
NOT USED (GND)
STBYLED
NOT USED (GND)
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MICROPROCESSOR TERMINAL DESCRIPTIONS-1
PIN NO. FUNCTION FUNCTION PIN NO. DESCRIPTION DESCRIPTION
Q701: MPD780056GC-033-8BT (MAIN MICROPROCESSOR)
Not used. (Connect to ground)
Pulse input terminal from rotary encoder (MULTI JOG).
Not used.
Output terminal of tip selection for serial communication with sub microprocessor.
Reference voltage input terminal for D/A converter.
Reset signal output terminal to sub microprocessor.
Serial data output terminal to sub microprocessor.
Clock output terminal for serial communication to sub microprocessor.
Serial data input terminal from MD mechanism.
Serial data output terminal to MD mechanism.
Clock output terminal for the serial communication with MD mechanism.
Input terminal for writing at the time of flash microprocessor use.
Not used. (Connect to ground)
Reset output terminal for MD mechanism.
Signal output terminal for serial communication with MD mechanism.
Power failure detected signal output terminal to MD mechanism.
Not used. (Open)
Output terminal for control of the optical digital input.
Not used. (Open)
Output terminal for filament control of FL tube.
Not used. (Connect to ground)
Negative power supply input terminal. (Connect to ground)
Not used. (Connect to ground)
Output terminal for control of STANDBY/ON LED.
Not used. (Connect to ground)
The input terminal for test mode setup of MD mechanism.
Input terminal for carrying out initial setting of the destination
Input terminal for setting up the check mode of the program
Signal output terminal for check of program.
Not used. (Connect to ground)
Output terminal for muting circuit control
System control (RI) signal output terminal.
System control (RI) signal input terminal.
Not used. (Connect to ground)
Input terminal of system reset.
Input terminal of the remote control signal from the remote sensor.
Signal input terminal for communication with MD mechanism.
Input terminal of power failure detected signal.
Muting signal input terminal from MD mechanism.
Not used. (Connect to ground)
Negative power supply input terminal of the port part.
Positive power supply input terminal.
Connection terminal of the oscillation element of main system clock. (5MHz)
Internal connection terminal.
Sub system clock oscillation element connection terminal.
Positive power supply input terminal of port section.
Reference voltage input terminal of A/D converter.
Input terminal from operation keys. (Inputs by A/D conversion.)
Not used. (Connect to ground)
Negative power supply input terminal for D/A converter.
Signal input terminal of the completion of serial data reception from the sub microcomputer