Yamaha RX-V1700 Service Manual page 63

IC402: M30845FJGP (FUNCTION P.C.B)
Single chip 16/32-bit microprocessor
Terminal Name
No. Port Name
56 P133
57 Vss
58 P132
59 Vcc
60 P131 /CEZEV0
61 P130 /CEZEV1
62 P53/BCLK
63 P52/RD
64 P51/WRH
65 P50/WRL
66 P127
67 P126
68 P125 /FMTSW
69 P47/CS0
70 P46/CS1
71 P45/CS2
72 P44/CS3
73 P43/A19
74 Vcc
75 P42/A18
76 Vss
77 P41/A17
78 P40/A16
79 P37/A15 232PWR
80 P36/A14
81 P35/A13
82 P34/A12
83 P33/A11
84 P32/A10
85 P31/A9
86 P124 VPOWER
87 P123
88 P122
89 P121
90 P120
91 Vcc
92 P30/A8
93 Vss
94 AN27/P27/A7 /OSDCE
95 AN26/P26/A6
96 AN25/P25/A5 RSELDT1
97 AN24/P24/A4 RSELCK1
98 AN23/P23/A3 ISELDT1
99 AN22/P22/A2 ISELCK1
100 AN21/P21/A1
101 AN20/P20/A0
102 P17/D15/INT5 PSWDET
103 P16/D14/INT4
104 P15/D13/INT3
105 P14/D12
106 P13/D11
107 P12/D10
108 P11/D9
109 P10/D8
110 P07/AN07/D7
I/O [OFF]
(P.C.B.)
CKZEV O ZONE tone control IC serial transmission clock (U, C, R, T, K, A, B, G, E, L
models)
Vss MCU
DTZEV O ZONE tone control IC serial transmission data (U, C, R, T, K, A, B, G, E, L models)
Vcc MCU
O ZONE tone control chip selector (U, C, R, T, K, A, B, G, E, L models)
O
/Z2MT O Zone2 mute control (U, C, R, T, K, A, B, G, E, L models)
/Z3MT O Zone3 mute control (U, C, R, T, K, A, B, G, E, L models)
/FMTF O Full mute FL/FR/SBL/SBR
- O
/FMTS O Full mute SL/SR
/FMTC O Full mute Center
O Full mute SWL/SWR/SW MONO
DTEV O E-VOLUME IC serial transmission data for MAIN ZONE (U, C, R, T, K, A, G, B,
E, L models)
CKEV O E-VOLUME IC serial transmission clock for MAIN ZONE (U, C, R, T, K, A, G,
B, E, L models)
/CEEV O E-VOLUME CE for MAIN, ZONE (U, C, R, T, K, A, G, B, E, L models)
CEA O Chip select output for JRC audio select IC
SDTA O Data output for JRC audio select IC
Vcc MCU
SCKA O Clock output for JRC audio select IC
Vss MCU
TRG2 O DC trigger output2 (U, C, R, T, K, A, B, G, E, L models)
TRG1 O DC trigger output1 (U, C, R, T, K, A, B, G, E, L models)
O RS232C driver ON/OFF control
PRY O Power relay control
RYBL O Relay control for power control of power amplifier B
RYBM O Relay control for power control of power amplifier B
/CSEX O Chip select for extension IC
/ICEX O Reset for extension IC
iPWR O iPod power control
O VIDEO power control
PRI I Electric current protection detect
SDTN O FL driver/OSD/ data output for extension IC/data output for RDS IC (G model)
SCKN O FL driver/OSD/ data output for extension IC/data output for RDS IC (G model)
EXDI I Data in for extension IC
MCU
VMT O Video output mute
MCU
O OSD CE
iPAP I iPod accessory power detect
O Rec out SW1 control (ROHM) data (U, C, R, T, K, A, B, G, E, L models)
O
O Rec out SW1 control (ROHM) data, clock speed: 20us
O Rec out SW1 control (ROHM) clock
/ICFL O FL driver initial clear
CEF2 O FL enable2
IRQ Main, Zone2, 3 power key interrupt
MSW IRQ Master SW (push lock SW)
REM2 IRQ Remote control pulse input 2, remote control pulse input for Zone (U, C, R, T,
K, A, B, G, E, L models)
CEF1 O FL enable1
BT232C I RS232C Flash write mode detect, ENHANCER key detect, ZONE2 input key
detect (U, C, R, T, K, A, B, G, E, L models)
ISA I Input selector rotary A
ISB I Input selector rotary B
PSW2 I INT5: PSW input after logic Key identification
PSW1 I INT5: PSW input after logic Key identification
RX-V1700/DSP-AX1700
Function
63