Yamaha RX-797, Руководство по обслуживанию

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RX-797
RX-797
IC602 : M30626FHPFP (FUNCTION (2) P.C.B.)
16-bit Microprocessor
No. Port Name I/O Function
34 P64/CTS1/RTS1/CTS0/CLKS1 BSY O AF220 BUSY Signal Output
35 P63/TXD0/SDA0 DTIS SO Input Selector Tx DATA
36 P62/RXD0/SCL0 CEIS O Input Selector CE
37 P61/CLK0 CKIS SO Input Selector CLOCK
38 P60/CTS0/RTS0 DTRZ O Rec/Zone2 selecter DATA
39 P57/RDY/CLKout CKRZ O Rec/Zone2 selecter CLOCK
40 P56 N.C. O
41 P55 /EMP I For Flash Writing (LO) (PullDown)
42 P54 CER O RDS CE
43 P53 SCKR O RDS CLOCK
44 P52 SDRR I RDS Rx DATA
45 P51 SDTR O RDS Tx DATA
46 P50 /CE I For Flash Writing (HI) (PullUp)
47 P47 CEP O TUNER CE
48 P46 SCKP O TUNER CLOCK
49 P45 SDTP O TUNER Tx DATA
50 P44 /TMU O TUNER MUTE
51 P43 SDRP I+ TUNER Rx DATA
52 P42 TUNED I+ TUNER TUNED
53 P41 /ST I+ TUNER /ST
54 P40 N.C. O
55 P37 VIA O Video Input SelectorA (PullDown)
56 P36 VIB O Video Input SelectorB (PullDown)
57 P35 VRA O Video Rec SelectorA (PullDown)
58 P34 VRB O Video Rec SelectorB (PullDown)
59 P33 VZA O VIDEO Zone2 SelectorA
60 P32 VZB O VIDEO Zone2 SelectorB
61 P31 /SWMT O Sub Woofer Mute
62 Vcc2 Vcc MCU Power Supply, +5V (Vcc)
63 P30 /CDMT O CD Direct Mute
64 Vss Vss MCU Ground (Gnd)
65 P27 /MIMT O Main IN Mute
66 P26 PDon I+ Pure Direct ON Detect
67 P25 CDon I+ CD Direct Detect
68 P24 PLED O Pure Direct LED
69 P23 CLED O CD Direct/TapeMonitor LED
70 P22 PRY O Power Relay
71 P21 N.C. O
72 P20 HPRY O Head Phone Pelay
73 P17 PDET IRQ Power Down Detect INT
74 P16 SPSW IRQ SYSTEM Power SW INT(MasterPower)
75 P15 REM IRQ Remote Controler INT
76 P14 FBRY O Front B Speaker Relay
77 P13 FARY O Front A Speaker Relay
78 P12 VRup O Volume Up
79 P11 VRdn O Volume Down
80 P10 PRI I I Protection
81 P07 /PSV O Power save mode
82 P06 N.C. O
83 P05 /BLK O FL Driver /BLK
84 P04 ISA I Input Selector A (PullUp)
85 P03 ISB I Input Selector B (PullUp)
86 P02 LSBY O StandBy LED
87 P01 N.C. O
88 P00 N.C. O
89 P107/AN7/KI3 REC AD Rec/Zone2 selecter
90 P106/AN6/KI2 PRV AD PS Protection (PullUp)
91 P105/AN5/KI1 PRD AD DC Protection (PullUp)
92 P104/AN4/KI0 THML AD THM L Protection (PullUp)
93 P103/AN3 THMR AD THM R Protection (PullUp)
94 P102/AN2 KEY0 AD AD Key 0
95 P101/AN1 KEY1 AD AD Key 1
96 Avss Avss MCU AD Ground (Gnd)
97 P100/AN0 DEST AD Destination Detect
98 Vref Vref MCU AD Reference (Vcc)
99 Avcc Avcc MCU AD Power Supply (Vcc)
100 P97/Adtrg CEFD O FL Driver CE