Pioneer VSX-D811S, Service Manual

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VSX-D811S
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• Pin Function
No. Pin Name I/O Pin Function Active
51 9273_CS
O DSP Mute (ASSY mute)
O Chip select for TC9273
O Gain select (5.1ch and Stereo of analog input : H )
H
H
H
52 DSP_MT
53 GAIN_SEL
54 AMUTE O Audio mute H
55 T_MUTE O Tuner mute H
56 PLL_CE O
57 NECK_SEL O 5.1ch, surround mode and A+B Stereo : H / Stereo : L H
58 FM+(RDS) O Tr switch ON/OFF for power supply of RDS decoder (L : AM, power OFF , H : Other) H
59 9164_ CS O TC9163, TC9164 Chip select
60 CRST O Reset for DSP
61 CDC_PD O Power down for CODEC
62 ABOT O Abort for DSP H
63 RY_AC O AC relay ON/OFF H
64 RY_A O Speaker A relay ON/OFF H
65 RY_C/R O Rear/Center Speaker relay ON/OFF H
66 EXP CS O Chip select for expand IC H
67 EXP OE O Chip select for expand IC H
68 RY_AC O
O
AC relay ON/OFF control H
69 S22
O
Segment output 22
H
70 S21 Segment output 21
71 S20 Segment output 20
72 S19 Segment output 19
73 S18 Segment output 18
74 S17 Segment output 17
75 S16 Segment output 16
76 S15 Segment output 15
77 S14 Segment output 14
78 S13 Segment output 13
79 S12 Segment output 12
80 S11 Segment output 11
81 S10 Segment output 10
82 S9 Segment output 9
H
83 S8 Segment output 8
84 S7 Segment output 7
85 S6 Segment output 6
86 S5 Segment output 5
87 S4 Segment output 4
88 S3 Segment output 3
89 VDD − 5V
90 S2
O
O
Segment output 2
H
91 S1 Segment output 1
92 Not used Not used (Fixed Vfdp)
93 G10 Grid output 10
94 G9 Grid output 9
95 G8 Grid output 8
96 G7 Grid output 7
97 G6 Grid output 6
98 G5 Grid output 5
99 G4 Grid output 4
100 G3 Grid output 3
Chip select for communication to LC72131 (Tuner)
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