Μ -Com Data - Yamaha AX-496 Service Manual

AX-496/396
I µ-COM DATA
IC101 : M37478M4-409SP
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9
Port I/O Form
P53 I I
P17 I/O O
P16 I/O O
P15 I/O O
P14 I/O O
P13 I/O O
P12 I/O O
P11 I/O O
P10 I/O O
P27 I I
P26 I I
P25 I I
P24 I I
P23 I I
P22 I I
P21 I I
P20 I I
Vref I
Xin I
Xout O
Vss
Vcc
P50 I I
P61 I/O O
/RESET I
P30 I I
P31 I I
P32 I I
P33 I I
P40 I/O O
P41 I/O O
P42 I/O O
P43 I/O O
P00 I/O I
P01 I/O I
P02 I/O O
P03 I/O O
P04 I/O O
P05 I/O O
P06 I/O O
P07 I/O O
P52 I I
RE Function
CEI Chip Enable (Input selector)
CK Clock
DATA Data
TMO Tape Monitor
VRUP Motor Volume (UP)
VRDN Motor Volume (DOWN)
RYPS Power Relay
ENR Rotary Encoder (Right)
ENL Rotary Encoder (Left)
D34/5 AX-496, 396/596 Detect
REC Rec Out Selector Detect
PRDC Protection (DC)
PRI Protection (Overload)
PRPS Protection (Power Supply)
VREF
XIN
XOUT
VSS
VCC
PRINH Release the Protection
/RESET
PD Power Down Detect
REM Remote Control
D43 AX-493/393 Detect
TPM Tape Monitor
LEDTM LED (Tape Monitor)
MUTE Mute
RYSP Speaker Relay
LSBY LED (Power)
PS Power
REM Remote Control (Wakeup)
LEDP LED (Phono)
LEDTM LED (Tuner)
LEDC LED (CD)
LEDM LED (Tape)
LEDTP LED (MD)
LEDA LED (AUX)
S-CLK
T x D
H: 496, 396 L: 596
IN3
IN2
IN1
IN0
INT0
INT1
Key On Wakeup
Key On Wakeup