Yamaha RX-V3000, Service Manual

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RX-V3000/RX-V3000RDS
RX-V3000
RX-V3000RDS
31
IC526 : M30802SGP (FUNCTION P.C.B.)
16 bit
µ
-COM (CPU)
No. PORT Name Function Power On Power Off Backup
56 P133 /BEC Bass Extension Control O OL OL
57 VSS VSS Ground --- --- ---
58 P132 /Z2MT ZONE2 Mute O OL OL
59 VCC VCC + 5V --- --- ---
60 P131 /HPMT Head Phone Mute O OL OL
61 P130 /FMTF Full Mute (FL/FR) O OL OL
62 BCLK BCLK Unconnected --- --- HI
63 /RD /RD OE for Flash Memory --- --- HI
64 /BHE BHE Unconnected --- --- HI
65 /WR /WR WE for Flash Memory --- --- HI
66 P127 /FMTS Full Mute (SWL/SWR/SW MONO) O OL OL
67 P126 /FMTC Full Mute (CENTER) O OL OL
68 P125 /FMTM Full Mute (L/R/RL/RC/RR) O OL OL
69 /CS0 CS0 CE for Flash Memory --- --- ---
70 /CS1 CS1
Unconnected
--- --- ---
71 /CS2 CS2
Unconnected
--- --- ---
72 /CS3 CS3
Unconnected
--- --- ---
73 A19 A19
Unconnected
--- --- ---
74 VCC VCC + 5V --- --- ---
75 A18 A18 Address bus --- --- ---
76 VSS VSS Ground --- --- ---
77 A17 A17 Address bus --- --- ---
78 A16 A16 Address bus --- --- ---
79 A15 A15 Address bus --- --- ---
80 A14 A14 Address bus --- --- ---
81 A13 A13 Address bus --- --- ---
82 A12 A12 Address bus --- --- ---
83 A11 A11 Address bus --- --- ---
84 A10 A10 Address bus --- --- ---
85 A9 A9 Address bus --- --- ---
86 P124 SCKA SCK for Audio IC O OL OL
87 P123 SDTA SDT for Audio IC O OL OL
88 P122 CEL CE for Audio IC (Sanyo) O OL OL
89 P121 LD Power limiter A O OL OL
90 P120
Unconnected
O OL OL
91 VCC VCC + 5V --- --- ---
92 A8 A8 Address bus --- --- ---
93 VSS VSS Ground --- --- ---
94 A7 A7 Address bus --- --- ---
95 A6 A6 Address bus --- --- ---
96 A5 A5 Address bus --- --- ---
97 A4 A4 Address bus --- --- ---
98 A3 A3 Address bus --- --- ---
99 A2 A2 Address bus --- --- ---
100 A1 A1 Address bus --- --- ---
101 A0 A0
Unconnected
--- --- ---
102 D15 D15 Data bus --- --- ---
103 D14 D14 Data bus --- --- ---
104 D13 D13 Data bus --- --- ---
105 D12 D12 Data bus --- --- ---
106 D11 D11 Data bus --- --- ---
107 D10 D10 Data bus --- --- ---
108 D9 D9 Data bus --- --- ---
109 D8 D8 Data bus --- --- ---
110 D7 D7 Data bus --- --- ---