Pioneer VSX-84TXSi Service Manual page 315

5
Pin Function
No. Mark
1 VDD
2 P37
3 P36/BUZ
4 P35/PCL
5 P34/TI2
6 P33/TI1
7 P32/TO2
8 P31/TO1
9 P30/TO0
10 RESET
11 X2
12 X1
13 IC
14 XT2
15 P04/XT1
16 VDD
17 P27/SCK0
18 P26/SO0/SB1
19 P25/SI0/SB0
20 P24/BUSY
21 P23/STB
22 P22/SCK1
23 P21/SO1
24 P20/SI1
25 AVSS
26 P17/ANI7
27 P16/ANI6
28 P15/ANI5
29 P14/ANI4
30 P13/ANI3
31 P12/ANI2
32 P11/ANI1
33 P10/ANI0
34 AVDD
35 AVREF
36 P03/INTP3
37 P02/INTP2
38 P01/INTP1
39 P00/INTP0/TI0
40 VSS
41 P74
42 P73
43 P72
44 P71
45 P70
46 VDD
47 P127/FIP52
48 P126/FIP51
49 P125/FIP50
50 P124/FIP49
5
6
Pin Name I/O
−
VDD Positive power supply
p_1w_wp O Main microcomputer start-up output corresponding to 1W
p_gp_out_c_8 O General-purpose output (CMOS_8) for IR2SW (must be tied L)
p_xanteck O xantec correspondence
p_gp_out_c_7 O General-purpose output (CMOS_7)
p_input_r I MULTIJOG
p_input_l I MULTIJOG
p_vol_m I vol(-)
p_vol_p I vol(+)
−
xreset Reset input
−
X2 Connect a 5MHz crystal for X1 input clock oscillation
X1 I
−
IC
−
XT2
XT1 I Pull-down (100k)
−
VDD Positive power supply
p_gp_out_c_6 O General-purpose output (CMOS_6)
p_gp_out_c_5 O General-purpose output (CMOS_5) ISO PHASE LED
p_gp_out_c_4 O General-purpose output (CMOS_4) MCACC LED
p_gp_out_c_3 O General-purpose output (CMOS_3)
p_sys_rdy O RDY of Main microcomputer communication
p_sys_clk I CLK of Main microcomputer communication
p_sys_do O Data output of Main microcomputer communication
p_sys_di I Data input of Main microcomputer communication
−
GND A/D converter GND, same electric potential as the EVSS/VSS.
p_gp_out_c_2 O General-purpose output (CMOS_2) DIGITAL PROCESSING LED
p_gp_out_c_1 O General-purpose output (CMOS_1) HDMI LED
p_gp_out_c_0 O General-purpose output (CMOS_0) i.LINK(upper model),DVC (lower model) LED
p_test_checker I Test mode input for checker pull-down by 100K
p_key4 I Front key input (A/D)
p_key3 I Front key input (A/D)
p_key2 I Front key input (A/D)
p_key1 I Front key input (A/D)
−
VDD Power supply
−
AVREF Reference voltage input of A/Dconverter
p_232c_det I 232C signal detection A model without RS232C needs pull-up.
p_sys_cs I CS of Main microcomputer communication
Multi room remote control signal input A model without IR needs pull-up.
p_mr_in I
p_sr_in I Main room remote control signal input
−
VSS Ground
p_gp_in_4 I General-purpose input 4 Pull-down to GND when does not use.
p_gp_in_3 I General-purpose input 3 Pull-down to GND when does not use.
p_gp_in_2 I General-purpose input 2 Pull-down to GND when does not use.
p_gp_in_1 I General-purpose input 1 Pull-down to GND when does not use.
p_gp_in_0 I General-purpose input 0 Pull-down to GND when does not use.
−
VDD Positive power supply
p_37s O FL drive
p_36s O FL drive
p_35s O FL drive
p_34s O FL drive
VSX-74TXVi
6
7
Pin Function
L: set2 (PIONEER), H: set1 (others)
7
8
A
B
C
D
E
F
269
8