Aiwa XR-M77, Service Manual

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P14/AM WIDE
P13/FM WIDE
P12/LW
P11/SW
P10/OIRT
P9/RDS
VDD4
P3-P8
P2/CAM
P1/AUTO
O-QSURR
O-SWSCAN
O-MOTOR
O-FSTB
O-CDOPEN
O-CDCLOSE
O-POWER
______________
O-MDRST
VSS2
VDD2
O-RWC
___________
O-CQCK
O-MUTE
_____
O-PL
N.C.
Pin No. Pin Name I/O Description
66
67
68
69
70
71
72
73-78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95-100
FL tube anode output, and INT.DIODE MATRIX input.
FL tube anode output, and INT.DIODE MATRIX input.
FL tube anode output, and INT.DIODE MATRIX input.
FL tube anode output, and INT.DIODE MATRIX input.
FL tube anode output, and INT.DIODE MATRIX input.
FL tube anode output, and INT.DIODE MATRIX input.
Microprocessor power supply. (µ-com 5 V)
FL tube anode output. /SHOP
Deck mechanism status detection input. (CAM)
Deck mechanism status detection input. (AUTO)
Q-surround IC control output.
Key scan detection timing switch.
Deck mechanism motor control output.
Connected to front shift resistor IC BU2092 pin-
5
.
CD tray open control output.
CD tray close control output.
Power supply ON/OFF control.
MD unit 7ZG-9A reset signal output.
GND.
Microprocessor power supply. (µ-com 5 V)
Connected to CD DSP LC78622ED pin-54 RWC and CD ASP LA9241ML pin-53 CE.
___________
Connected to CD DSP LC78622ED pin-57 CQCK and CD ASP LA9241ML pin-51
CL.
Main mute output.
Deck mechanism plunger solenoid control output.
Not connected.
O
O
O
O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
—
—
O
O
O
O
—