Pioneer Elite VSX-24TX, Руководство по обслуживанию

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89
VSX-29TX, VSX-27TX, VSX-26TX,
VSX-24TX, VSX-D908S
•
Pin Function
No. Pin Name I/O Function No. Pin Name I/O Function
1 TEMP IN I/O
O/open (KU,J,SD), I/Fan temperature A/D
input (other)
41 MR MUTE O
Audio mute ON/OFF for sub room (MR&S,
MR model only)
2 A MUTE O Audio mute ON/OFF 42 A MUTE2 O Audio preout mute ON/OFF
3 DSP CS1 O Chip select for IC9501 DSP U-COM 43 LOUD O Loudness ON/OFF
4 DSP RST O Reset for IC9501 DSP U-COM 44 MR-V DT O
Data for IC110 M62429FP control (MR&S
model only)
5 DSP MUTE I Mute request from IC9501 DSP U-COM 45 MR-V CK O
Clock for IC110 M62429FP control (MR&S
model only)
6 DSP CS2 I Chip select from IC9501 DSP U-COM 46 4052 INH O
Inhibit for IC102 BU4052BCF control (MR&S
model only)
7 NC O Open 47 4052 B
O
Control for IC102 BU4052BCF (MR&S model
only)
8 NC O Open 48 4052 A
9 AMPOL I Amp Overload detect 49 SIMUKE 3
I SIMUKE (pull-up or down)
10 RESET I Reset 50 SIMUKE 2
11 NC O Open 51 SIMUKE 1
12 NC O Open 52 SIMUKE 0
13 GND
−
GND 53 2296-2
O Control for IC701, 801, 802 NJM2296M
14 XIN I
Connect a 4.19MHz oscillator
54 2296-5
15 XOUT O 55 2296-3
16 VDD
−
Power 5V 56 2296-4
17 NC O Open 57 4051-C
O Control for IC831 BU4051BCF 18 ST3 O Strobe for IC107 TC9163F control 58 4051-B
19 CK2 O Clock for IC108 TC9482N control 59 4051-A
20 CK3 O Clock for IC107 TC9163F control 60 2279-M
O
Control for IC731 NJM2279M (MR&S model
only)
21 DT3 O Data for IC107 TC9163F control 61 2279-2
22 ST2 O Strobe for IC108 TC9482N control 62 2279-1
23 W.UP I AC pulse input 63 OSD RST O Reset for IC752 LC74782M-9011
24 DT2 O Data for IC108 TC9482N control 64 OSD CS O Chip select for IC752 LC74782M-9011
25 CK1 O
Clock for IC101 TC9274N and IC104
TC9163F control
65 SYNC DET I Detection of synchronizing signal
26 ST1 O
Strobe for IC101 TC9274N and IC104
TC9163F control
66 DSP HCK O Clock for IC9501 DSP U-COM
27 DT1 O
Data for IC101 TC9274N and IC104 TC9163F
control
67 DSP HDI O Data for IC9501 DSP U-COM
28 GND
−
GND 68 DSP HDO I Data from IC9501 DSP U-COM
29 NC O Open 69 DISP CK O Clock for IC7001 DISP U-COM
30 NC O Open 70 OSD CK O Clock for IC752 LC74782M-9011
31 NC O Open 71 DISP DI O Data for IC7001 DISP U-COM
32 FAN STOP I/O O/Open (KU,J,SD), I/Fan stop detecter (other) 72 DISP DO I Data from IC7001 DISP U-COM
33 A RY O SP A relay ON/OFF 73 GND
−
GND
34 B RY O SP B relay ON/OFF 74 VDD
−
Power 5V
35 C/S RY O SP C/S relay ON/OFF 75 DISP RDY I Data request from IC7001 DISP U-COM
36 HP RY O Headphone relay ON/OFF 76 DISP RST O Reset for IC7001 DISP U-COM
37 FAN LOW O Open (KU,J,SD), Fan low (other) 77 DSP OL I DSP overload detect, A/D input
38 FAN DRIVE O Open (KU,J,SD), Fan drive (other) 78 WATT IN I/O
O/Open (KU,J,SD), I/Fan wattage input, A/D
input (other)
39 AC RY O AC relay ON/OFF 79 AMP OL I Amp overload detect, A/D input
40 NECK O Neck ON/OFF (24,26,908,938 only) 80 DC DET I Detection of amp power error, A/D input