Harman Kardon AVR 230, Service Manual

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2
PS8924A 11/29/07
PI3HDMI101
1:1 Active HDMI TM Redriver with
Optimized Equalization & I 2 C Buffer
HDMI, High-Defi nition Multimedia Interface, and Deep Color are trademarks of
HDMI Licensing, LLC in the United States and other countries.
ADVANCE INFORMATION - COMPANY CONFIDENTIAL
Pin Confi guration
TMDS Receiver Block
CLK+/-
250Kohm
R
AV
1
R
2
DD
Control
Rx Sense
Each high speed data and clock input has integrated equalization that can eliminate deterministic jitter caused
by input cables. All activity can be confi gured using pin strapping. The Rx block is designed to receive all rel-
evant signals directly from the HDMI
TM
connector without any additional circuitry, 3 High speed TMDS data, 1
pixel clock, and DDC signals. Pixel clock channel has following temination scheme for Rx Sense support.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
42 41 40 39
18 19 20 21
SCL_T
VDD
GND
OUT_CLK–
VDD
OUT_D0–
GND
OUT_D1–
VDD
OUT_D2–
GND
VDD
OC_S3
EQ_S0
EQ_S1
GND
IN_CLK–
VDD
IN_D0–
IN_D0+
GND
IN_D1–
IN_D1+
VDD
IN_D2–
IN_D2+
GND
Rx_Sense
DCC_EN
OE
O
C_S0
O
C_S1
O
C_S2
IADJ SCL_R SDA_R SDA_T
GND
Rx Sense
L R
2
switch is open, CLK+/-
termination is 250k
Ω
H R
2
switch is closed, CLK+/-
termination is 50
Ω
Harman Kardon AVR 365/230V Service Manual
Page 70 of 176