Pioneer VSX-84TXSi-S Service Manual page 71
Multi-channel
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Also See for VSX-84TXSi-S:
- Operating instructions manual (92 pages) ,
- Service manual (72 pages) ,
- Service manual (324 pages)
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5
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
7
Q4
8
VSS
9
QS
10
QS'
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
5
6
NAME
I/O
STB
I
STB input
DATA
I
DATA input
CLOCK
I
CLOCK input
FSEL0
O
FMS6403 Filter Cut Off frequency switch 0
FSEL1
O
FMS6403 Filter Cut Off frequency switch 1
FILTPOW
O
FMS6403 power supply control (H : ON)
SW0SEL
O
CXB1441R (IC1101) input switch
VSS
O
GND
QS
O
NC
QS'
O
QS' output
NC
O
NC
SW2
O
TC74LCX541FTS1(IC1381-1383) output control (H : HighZ, L : IN=OUT)
SW1
O
TC74LCX541FTS1(IC881-884) output control (H : HighZ, L : IN=OUT)
SW0CE
O
CXB1441R (IC1101) chip enable
OE
I
OE input
VDD
3.3V
NAME
I/O
STB
I
STB input
DATA
I
DATA input
CLOCK
I
CLOCK input
SW1SEL
O
CXB1441R (IC1151) input switch
SW1CE
O
CXB1441R (IC1151) chip enable
NC
O
NC
NC
O
NC
VSS
O
GND
QS
O
NC
QS'
O
QS' output
1394/HDMI
O
AUDIO output 1394/HDMI switch (H : 1394, L : HDMI)
DSGAIN
O
SM5819 DSGAIN control
SEL4FS
O
SM5819 SEL4FS control
XINIT
O
SM5819 XINIT control
OE
I
OE input
VDD
3.3V
VSX-84TXSi
6
7
DESCRIPTION
DESCRIPTION
7
8
A
B
C
D
E
F
71
8
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