Pioneer VSX-84TXSi Service Manual page 71

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CD4094BPW (HDMI & 1394 and HDMI & DVC ASSY : IC505)
PORT EXPANDER
No. FUNCTION
1 STB
2 DATA
3 CLOCK
4 Q1
5 Q2
6 Q3
7 Q4
8 VSS
9 QS
10 QS'
11 Q8
12 Q7
13 Q6
14 Q5
15
OE
16 VDD
CD4094BPW (HDMI & 1394 ASSY : IC506)
PORT EXPANDER
No. FUNCTION
1 STB
2 DATA
3 CLOCK
4 Q1
5 Q2
6 Q3
TE
L 13942296513
7 Q4
8 VSS
9 QS
10 QS'
11 Q8
12 Q7
13 Q6
14 Q5
15
OE
16 VDD
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NAME
STB
DATA
CLOCK
FSEL0
FSEL1
FILTPOW
SW0SEL
VSS
QS
QS'
NC
SW2
SW1
SW0CE
OE
VDD
NAME
STB
DATA
CLOCK
SW1SEL
SW1CE
NC
NC
VSS
QS
QS'
1394/HDMI
DSGAIN
SEL4FS
XINIT
OE
VDD
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I/O
I STB input
I DATA input
I CLOCK input
O FMS6403 Filter Cut Off frequency switch 0
O FMS6403 Filter Cut Off frequency switch 1
O FMS6403 power supply control (H : ON)
O CXB1441R (IC1101) input switch
O GND
O NC
O QS' output
O NC
O TC74LCX541FTS1(IC1381-1383) output control (H : HighZ, L : IN=OUT)
O TC74LCX541FTS1(IC881-884) output control (H : HighZ, L : IN=OUT)
O CXB1441R (IC1101) chip enable
I
OE input
3.3V
I/O
I STB input
I DATA input
I CLOCK input
O CXB1441R (IC1151) input switch
O CXB1441R (IC1151) chip enable
Q Q
O NC
3 6 7 1 3 1 5
O NC
O GND
O NC
O QS' output
O AUDIO output 1394/HDMI switch (H : 1394, L : HDMI)
O SM5819 DSGAIN control
O SM5819 SEL4FS control
O SM5819 XINIT control
I
OE input
3.3V
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VSX-84TXSi
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DESCRIPTION
DESCRIPTION
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