Marantz SR8001 Service Manual page 108

IC19 : CXB1441R
IC22 : CXB1441R
Termination
resistors
ADTnP
ADTnN
BDTnP
BDTnN
Termination
resistors
ACKP
ACKN
BCKP
BCKN
SEL
CE
HDMI/DVI
36 35 34 33 32 31 30 29 28 27 26 25
receptacle A
37
38
ESD protection
39 ADT2N
device
40 ADT2P
41
42
43
44
ESD protection
45
BCKN
device
46 BCKP
47
48
HDMI/DVI
receptacle B
100psec
IC20 : TC74HC4094AFN
IC21 : TC74HC4094AFN
IC79 : TC74HC4094AFN
IC80 : TC74HC4094AFN
IC83 : TC74HC4094AFN
Input switching
Output
circuit
buffer
Equalizer
Quantizer
n = 1, 2, 3
Input switching Output
circuit
buffer
Equalizer
Quantizer
Clock
Output current
detector
control circuit
24
YCKN
23
YCKP
22
YDT0N 21
YDT0P 20
19
CXB1441R
18
YDT1N 17
16
YDT1P
15
YDT2N 14
YDT2P 13
1 2 3 4 5 6 7 8 9 10 11 12
REXT
4.7 kΩ
YDTnP
YDTnN
YCKP
YCKN
REXT
A/B input switching signal
Chip enable signal
Case internal
wiring cable, FPC,
and FFC connector
VCC
3.3 V
0.1 μF
33 μF
X4 to 5
142