Pioneer VSX-D906S Service Manual - Page 68

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VSX-D906S, VSX-07TX, VSX-09TX ~ Pin Function Name Gl I G I/A I I/O 0 FL grid output 2. Function G12 GO/AO NC NC F L grid output I . SV. WAKEUP MR IN PEO/ECO/INTO PE I/EC I / INT I AC pulse input. Sub room remote control input. AMP OVERLOAD PE2/INT 2 AC3REQ P E3/INT3/NM I AMP overload detect A/D input. Requests communications to the micmprocessor in the main unit fmm AC3. (L: Request for communication) RMS HPIN P E4/RM C PE5 Remote control input. Headphone connect detect. H : connect 10 LFE LED EEPV CC PE6/PW M PE7/TO/AD J 0 LED lights up during playback of AC3 or partial playback of LEF. 0 12 EEPDT EEPCK 14 DEM .LOCK DIR.LOCK 16 KEY IN I PCO/KRO PC I /KR I PC2/KR2 PC3/KR3 PC4/KR4 0 D ata for communications with EEPROM . 0 C lock for communications with EEPROM . Inputs "L" when demodulator IC is locked to RF signal. Inputs "L" when DIR is locked to digital input signaL KEY scan input I . 17 K EY IN 2 18 K EY IN 3 19 KEY IN4 20 NT/PAL 2 1 91620N 22 AC3CK PC5/KR5 PC6/KR6 PC7/KR7 PBO/CINT PB I/CSO PB2/SCKO KEY scan input 2. KEY scan input 3. KEY scan input 4. I NT SC/PAL switching. (L : PAL) 0 Sets to "H" when data are transferred to TC9162 (2). 0 Clock for communications of AC3 microcomputer. 23 AC3DIN 24 AC3DOUT PB3/SIO PB4/SOO Data in for communications of AC3 microcomputer. 0 Data out for communications of AC3 microcomputer. 25 TUNED/JOG 2 PB5/SCK I 26 SYNC.DEC PB6/SC I TUN ER : TUNER input. (L: T UNED)/JOG2 : Port data input Detection of synchronizing signal (L: Signal detected) 27 AC3CE 28 AVREF PB7/SO I AVREF 0 Chip selection for communications with AC3 IC module. 5V. 29 V OL DOW N 30 PEAK.LEV PAO/ANO PA I/AN I 0 Master Volume (elecuically operated) DOW N output. 3 1 9K/I OK 32 P A2/A N 2 P A3/A N 3 Switching frequency steps of the tuner. (AM L : 9K H : I OK, FM L : 50 K H : 100K) Detection of AMP power error, A/D input. TEMP-IN 34 WATT-IN PA4/AN4 P A5/AN 5 Fan temperature input. A/D input. Fan wattage input. A/D input. 35 DSP OVERLOAD PA6/AN6 JOG I/STEREO PA7/AN7 DSP overload detect. A/D input. JOG I; Port data input/TUNER: Stereo input (L: Receiving broadcasting in stereo). 37 GND RST AVSS RST GND. Reset. 39 EX TAL XTAL 41 GND 42 T X EXTAL XTAL VSS TX Oscillator 8MHz. Oscillator 8MHz. GND. Open. 43 VDD TEX VDD GND. 5V. 45 VFDP VFDP 30V POWER 47 PROT MRDT PDO/A55 PD I /A54 PD2/A53 0 AC relay ON/OFF 0 Protection relay ON/OFF. 0 Data for IC. BU4094, TC9210, LM7001 (TUNER) control. 49 AC3STP 50 CE BUI PD3/A52 P D4/A5 1 0 Stops crystal oscillation of IC module for AC3 and internal PLL oscillation. 0 S trobe output for extended IC BU4094 ( I ) .

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VSX-D906S, VSX-07TX, VSX-09TX
~ Pin Function
Name
I/O
Function
Gl I
G I/A I
0
FL grid output 2.
G12
GO/AO
FL grid output I.
NC
NC
SV.
WAKEUP
PEO/ECO/INTO
AC pulse input.
MR IN
PE I/ECI/INT I
Sub room remote control input.
AMP OVERLOAD
PE2/INT2
AMP overload detect A/D input.
AC3REQ
PE3/INT3/NMI
Requests communications to the micmprocessor in the main unit fmm AC3. (L: Request for communication)
RMS
PE4/RMC
Remote control input.
HPIN
PE5
Headphone connect detect. H : connect
10
LFE LED
PE6/PWM
0
LED lights up during playback of AC3 or partial playback of LEF.
EEPVCC
PE7/TO/AD J
0
12
EEPDT
PCO/KRO
0
D ata for communications with EEPROM .
EEPCK
PC I /KR I
0
Clock for communications with EEPROM.
14
DEM.LOCK
PC2/KR2
Inputs "L" when demodulator IC is locked to RF signal.
DIR.LOCK
PC3/KR3
Inputs "L" when DIR is locked to digital input signaL
16
KEYIN I
PC4/KR4
KEY scan input I.
17
KEYIN2
PC5/KR5
KEY scan input 2.
18
KEYIN3
PC6/KR6
KEY scan input 3.
19
KEY IN4
PC7/KR7
KEY scan input 4.
20
NT/PAL
PBO/CINT
I
NTSC/PAL switching. (L: PAL)
21
91620N
PB I/CSO
0
Sets to "H" when data are transferred to TC9162 (2).
22
AC3CK
PB2/SCKO
0
Clock for communications of AC3 microcomputer.
23
AC3DIN
PB3/SIO
Data in for communications of AC3 microcomputer.
24
AC3DOUT
PB4/SOO
0
Data out for communications of AC3 microcomputer.
25
TUNED/JOG 2
PB5/SCK I
TUNER: TUNER input. (L: TUNED)/JOG2: Port data input
26
SYNC.DEC
PB6/SC I
Detection of synchronizing signal (L: Signal detected)
27
AC3CE
PB7/SO I
0
Chip selection for communications with AC3 IC module.
28
AVREF
AVREF
5V.
29
VOLDOWN
PAO/ANO
0
Master Volume (elecuically operated) DOWN output.
30
PEAK.LEV
PA I/AN I
31
9K/I OK
PA2/AN2
Switching frequency steps of the tuner. (AM L : 9K H : IOK, FM L : 50K H : 100K)
32
PA3/AN3
Detection of AMP power error, A/D input.
TEMP-IN
PA4/AN4
Fan temperature input. A/D input.
34
WATT-IN
PA5/AN5
Fan wattage input. A/D input.
35
DSP OVERLOAD
PA6/AN6
DSP overload detect. A/D input.
JOG I/STEREO
PA7/AN7
JOG I; Port data input/TUNER: Stereo input (L: Receiving broadcasting in stereo).
37
GND
AVSS
GND.
RST
RST
Reset.
39
EXTAL
EXTAL
Oscillator 8MHz.
XTAL
XTAL
Oscillator 8MHz.
41
GND
VSS
GND.
42
TX
TX
Open.
43
TEX
GND.
VDD
VDD
5V.
45
VFDP
VFDP
30V
POWER
PDO/A55
0
AC relay ON/OFF
47
PROT
PD I/A54
0
Protection relay ON/OFF.
MRDT
PD2/A53
0
Data for IC. BU4094, TC9210, LM7001 (TUNER) control.
49
AC3STP
PD3/A52
0
Stops crystal oscillation of IC module for AC3 and internal PLL oscillation.
50
CE BUI
PD4/A51
0
Strobe output for extended IC BU4094 (I).