Pioneer VSX-74TXVi Service Manual page 249

5
No. Mark
51 P56/ALE
52 P55/HOLD
53 P54/HLDA
54 P133
55 P132
56 P131
57 P130
58 P53/BCLK
59 P52/RD
60 P51/WRH/BHE
61 P50/WRL/WR
62 P127
63 P126
64 P125
65 P47/CS3
66 P46/CS2
67 P45/CS1
68 P44/CS0
69 P43/A19
70 P42/A18
71 P41/A17
72 P40/A16
73 P37/A15
74 P36/A14
75 P35/A13
76 P34/A12
77 P33/A11
78 P32/A10
79 P31/A9
80 P124
81 P123
82 P122
83 P121
84 P120
85 Vcc2
86 P30/A8(/_/D7)
87 Vss
88 P27/AN27/A7(/D7/D6)
89 P26/AN26/A6(/D6/D5)
90 P25/AN25/A5(/D5/D4)
91 P24/AN24/A4(/D4/D3)
92 P23/AN23/A3(/D3/D2)
93 P22/AN22/A2(/D2/D1)
94 P21/AN21/A1(/D1/D0)
95 P20/AN20/A0(/D0/_)
96 P17/D15/INT5
97 P16/D14/INT4
98 P15/D13/INT3
99 P14/D12
100 P13/D11
5
6
Pin Name I/O
OPEN O/L NC (Open at memory expanded mode)
Vcc(5V) I Vcc (5V)
OPEN O/L NC (Open at memory expanded mode )
OSD RST O/L OSD communication
OSD CS O/L OSD communication
OSD DT/EXP DT O/L OSD communication & expansion IC communication
OSD CLK/EXP CLK
O/L OSD communication & expansion IC communication
OPEN O/L NC (Open at memory expanded mode)
RD O/L FLASH MEMORY I/F READ
OPEN O/L FLASH MEMORY I/F WRITE
WR O/L FLASH MEMORY I/F WRITE
GAIN CONT1 O/L ANALOG GAIN CONTROL
UART SW2 O/L L: SR+ path, H: Select iPod or XM path
UART SW1 O/L L: DSP microcomputer path, H: Select HDMI microcomputer path
EVOL DT2 O/L Electronic VOL & function IC communication
CS2 O/L Electronic VOL & function IC communication
EVOL CK O/L Electronic VOL & function IC communication
CS0 O/L FLASH MEMORY CE control
OPEN O/L Address output of FLASH MEMORY communication
A18 O/L Address output of FLASH MEMORY communication
A17 O/L Address output of FLASH MEMORY communication
A16 O/L Address output of FLASH MEMORY communication
A15 O/L Address output of FLASH MEMORY communication
A14 O/L Address output of FLASH MEMORY communication
A13 O/L Address output of FLASH MEMORY communication
A12 O/L Address output of FLASH MEMORY communication
A11 O/L Address output of FLASH MEMORY communication
A10 O/L Address output of FLASH MEMORY communication
A9 O/L Address output of FLASH MEMORY communication
RY C/R O/L Center and surround SP relay (ON: H)
RY B O/L SP-B relay (ON: H)
RY A O/L SP-A relay (ON: H)
RY HP O/L HP relay (ON: H)
AC1 RELAY O/L AC relay (ON: H)
−
Vcc2(5V) Power supply (5V)
A8 O/L Address output of FLASH MEMORY communication
−
Vss(GND) Ground
A7 O/L Address output of FLASH MEMORY communication
A6 O/L Address output of FLASH MEMORY communication
A5 O/L Address output of FLASH MEMORY communication
A4 O/L Address output of FLASH MEMORY communication
A3 O/L Address output of FLASH MEMORY communication
A2 O/L Address output of FLASH MEMORY communication
A1 O/L Address output of FLASH MEMORY communication
OPEN O/L Address output of FLASH MEMORY communication
D15 O/L Data input/output of FLASH MEMORY communication
D14 O/L Data input/output of FLASH MEMORY communication
D13 O/L Data input/output of FLASH MEMORY communication
D12 O/L Data input/output of FLASH MEMORY communication
D11 O/L Data input/output of FLASH MEMORY communication
VSX-74TXVi
6
7
Pin Function
7
8
A
B
C
D
E
F
249
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