Yamaha RX-V757 Service Manual page 34

RX-V757/DSP-AX757/DSP-AX757SE
RX-V657/HTR-5860
IC451 : M30622MWP-xxxFP (SUBTRANS P.C.B.)
16 bit µ-COM (CPU)
No. Port Name
35 SDA0 DTCV
36
SCL0 CKCV
37 P61 /HP
38 P60 /MTHP
39 P57 /MTCT
40 P56 /MTSW
41 P55 /EMP
42 P54 /MTZ2
43 P53 /MTFS
44 P52 CEEV
45 P51 ICEV
46 P50 /CE
47 P47 CESEL
48 P46 CKSEL
49 P45 DTSEL
50 P44 CKBD/MOD3
51
P43 DTBD
52 P42 CPNTD
53 P41 CPNTT
54 P40 SVIDD
55 P37 CEB/MOD2
56 P36 CES/MOD1
57 P35 SDTN
58 P34 SDRN
59 P33 SCKN
60 P32 RDSE/ICXM
61 P31 CEP
62 Vcc Vcc
63 P30 SDTP
64 Vss Vss
65 P27 SCKP
66
P26 SDRP
67 P25 TUNED
68 P24 /ST
69 P23 /TMUTE
70 P22 PRY
71 P21 SBRY
72 P20 ERY
73 INT5 PDET
74 INT4 /PSW
75 INT3 REM
76 P14 MBRY
77 P13 MARY
78 P12 Z2RY
79 P11 4ohm
80 P10 PRI
81
P07 PSV
82 P06 /PURD
83 P05 /BLK
84 P04 ISA
85 P03 ISB
86 P02 TONEA
87 P01 TONEB
88 P00 VRA
89 P107 VRB
90 AN6 PRV
91 AN5 PRD
92 AN4 PLDET
93 AN3 THM
94 AN2 ADKEY0
95 AN1 ADKEY1
96
Avss Avss
97 AN0 DEST
98 Vref Vref
99 Avcc Avcc
100 P97 CEFD/MOD0
60
I/O Function
SO VIDEO Conversion DATA
SO VIDEO Conversion Clock
I HEAD PHONE Detect
O HEAD PHONE Mute Output
O MUTE Center
O MUTE SW
I For Flash Writing (LO)
O Zone 2 MUTE
O MUTE Front/Surround , Pre OUT
O Electronic Volum IC Enable
O Electronic Volume Reset
I For Flash Writing (HI)
O Selector IC Enable
SO Selector IC Clock
O Selector IC DATA
O/I INPUT Selector (BD3841) Clock / Model Discriminate 3
O BD3841 DATA
I Component Signal Detector (DVD)
I Component Signal Detector (D-TV)
I S-Video Signal Detector
O/I S/P Conversion Enable / Model Distinction 2
O/I OSD Enable / Model Distinction 1
O RDS, OSD, S/P Conversion IC TxD
I RDS RxD
O RDS, OSD, S/P Conversion IC Clock
O RDS Enable / DABIC IC Reset
O PLL IC Enable
Vcc u-COM power supply, +5V
O PLL IC TxD
Vss u-COM Ground
O PLL IC Clock
I+ PLL IC RxD
I+ TUNED
I+ TUNER /ST
O TUNER MUTE
O Power Relay Output
O Surround Back SP Relay Output
O Surround SP Relay Output
IRQ Power Down DETECT INT
IRQ Standby SW INPUT
IRQ Remote Control Input
O Front B SP Relay Output
O Front A SP Relay Output
O Zone 2 Relay Output
O IMPEDANCE Control
I Protection Excess-current Detect
O Power Save
O Pure Direct LED/VIDEO Power OFF
O FL Driver Light Off
I INPUT SEL. Rotaly A
I INPUT SEL. Rotaly B
O Tone Con. Rotaly A
I Tone Con. Rotaly B
I Volume Rotaly A
I Volume Rotaly B
AD Protection Power Supply Voltage Detect
AD Protection DC Detect
AD POWER LIMITTER DETECT
AD Temperature Detect
AD Key AD Input 0
AD Key AD Input 1
Vss AD Ground
AD Destination Distinction
(+5v) AD Reference
Vcc(BU) AD Power Supply
O FL Driver CE / Model Distinction 0