Aiwa XR-M88 Service Manual page 39

Pin No. Pin Name
60 I-OIRT
61 I-RDS
_________
62 I-BBE
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63 I-DOLBY
_______
64 I-TAPE/MD
_____________
65 I-DEMO
66-71 PE2-PE7
72 VDD4
73 PF0
74, 75 PF1, PF2
76, 77 PF3, PF4
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78 I-DOOR DET
79, 80 PF6, PF7
81 O-CDDOPEN
82 O-CDDCLOSE
83, 84 PG2, PG3
85 O-BBEA
86 O-BBEB
87 O-CD
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88 O-MDRST
89 VSS2
90 VDD2
91 O-RWC
____________
92 O-CQCK
93 O-L.O.M
94 P07
95 O-SIN
96 I-SOUT
97 I-ACLK
98 O-MASO
___________
99 I-MASI
100 O-MACLK
I/O
I
I
I
INITIAL DIODE MATRIX input.
I
I
I
I NC.
— Microprocessor power supply. (µ-com 5V).
O DECK MECA MAIN MOTOR control output.
O DECK MECA SUB control output.
— NC.
I Over-current detection input to the CD DOOR MOTOR.
— NC.
O CD DOOR OPEN control output.
O CD DOOR CLOSE control output.
— NC.
O
BBE LEVEL switching output.
O
O Power supply control output of CD block.
O MD UNIT 7ZG-9A reset signal output.
— GND.
— Microprocessor power supply. (µ-com 5V).
O Connected to CD DSP LC78622E pin-59 RWC and CD ASP LA9240M pin-53 CF.
O Connected to CD DSP LC78622E pin-57 CQCK and CD ASP LA9240M pin-51 CL.
O LINE OUT MUTE output.
— NC.
O Serial data output for MD UNIT control.
I Serial data input for MD UNIT control.(FWD REC BIAS control output).
I Serial clock input for MD UNIT control. (RWD REC BIAS control output).
O Serial data output to slave microprocessor.
I Serial data input from slave microprocessor.
O Transfer clock output to slave microprocessor.
57
Description
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