Pioneer FX-MG9006ZT-91/ES, Service Manual

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95
FX-MG9006ZT,M9006ZT-91,M9506ZT,M9506ZT-91
*PD5556B
30
31 50
51
80
81
100
1
Pin No. Pin Name I/O Function and Operation
63 kst$ O Key strobe output
64 VSS GND
65 KST3 O Key strobe output
66 kst@ O Key strobe output
67 kst! O Key strobe output
68 kst) O Key strobe output
69 MS I Music sense input
70 f R O Head forward/reverse select output
71 PLAY O MS gain select output
72 mtl I Cassette mechanism tape select input
73 CDEJ I CD eject key sense input
74 mdej Not used
75 csej I Cassette mechanism tape eject key sense input
76 NR O Dolby NR ON/OFF select output
77 CSLOAD I Tape loading detect input
78 POS I Cassette mechanism position sense input
79 RES I Cassette mechanism reverse end sense input
80 NES I Cassette mechanism forward end sense input
81 TEST I Test mode input
82 SC2 O Cassette mechanism sub motor control output
83 SC1 O Cassette mechanism sub motor control output
84 CM O Cassette mechanism capstan motor control output
85 stby O Stand-by output
86 ENC2- I AUD encoder (-) input
87 ENC2+ I AUD encoder (+) input
88 power I POWER key input
89 BASS I A/D converter input from BASS volume
90 TRE I A/D converter input from TREBLE volume
91 MID I A/D converter input from MID volume
92 FAD I A/D converter input from FADER volume
93 BAL I A/D converter input from BALANCE volume
94 ILL- I Rheotat signal onput
95 NC Not used
96 AVSS A/D GND
97 ANO GND
98 VREF I A/D converter reference voltage input
99 AVCC A/D VCC
100 EDI Not used
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.