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PRO-700HD
7 PD5462B9 (TUNER u-COM: IC2201)
MAIN µ-COM
¶ Pin Function
Pin No.
Pin Name
1
OPTION
2
TEMP .S
3
AFT1
4
AFT2
5
KEY
6
DPO
7
YOBI
8
SRDY
9
MCLK
10
MDATA
11
SDATA
12
MREQ
13
ANT SW2
14
H SYNC1
TIM input
15
H SYNC2
TIM input
16
V BLK2
17
NC
18
NC
19
MTS SW
20
(D)SCL
21
(D)SDA
22
(D)BUSY
23
(D)RESET
24
(D)INT
25
REM
26
CNVSS
27
RESET
28
TIMER LED
29
DTV LED
30
XIN
31
XOUT
32
VSS
33
LED ON/OFF
34
P.D.
35
RELAY1
36
RELAY2
37
AC CLK
38
FAN DRV
39
A.MUTE1
40
A.MUTE2
220
I/O
I
For software destination switching
I
Unused
I
AFT analog voltage input to tuner 1
I
AFT analog voltage input to tuner 2
I
Analog DC voltage input for determination of KEY input
I
DPO analog voltage input
I
Unused
I
SRDY signal for communication with sharp microprocessor
O
MCLK signal for communication with sharp microprocessor
O
MDATA signal for communication with sharp microprocessor
I
SDATA signal for communication with sharp microprocessor
O
MREQ signal for communication with sharp microprocessor
O
Output for switching ANT SW for tuner 2
Tuner 1 reception horizontal sync count input. Same contents as
H.SYNC2.
Horizontal sync count input for tuner 2 reception. Determines that
there is a broadcast station if the state in which the number of H.
SYNC is 12 to 18 continues for 8 times, and determines that there
is no broadcast station for other states continue for 6 times.
INT input
For data transmission timing
I
Unused
I
Unused
O
Tuner 1, 2 audio input switching control signal
O
I2C BUS for communication with DTV tuner
I/O
I2C BUS for communication with DTV tuner
I
BUSY signal for communication with DTV tuner
O
RESET signal for communication with DTV tuner
INT input
INT signal for communication with DTV tuner
INT input
SR remote control signal input
–
Connected to VSS
I
RESET input
O
LED control signal for reserved recording
O
LED control signal for DTV reception
I
Main clock generation circuit input pin
O
Main clock generation circuit output pin
–
Prints 0V
O
Main PW RED LED control signal
I
Unused
O
TV GUIDE +, TUNER 2 power supply relay control
O
General secondary side circuit power supply relay control
I
AC.CLK detection input for detection of AC power supply OFF
I
Unused
O
Audio mute output
I
Unused
Function
ACT
P:L, S:H
–
–
–
–
–
–
–
–
–
ANT.A: H, ANT.B: L
Negative polarity
Negative polarity
Positive polarity
–
–
Tuner1: L, Tuner2: H
–
–
–
–
RESET: L
Lit: H
Lit: H
–
–
–
Lit: H
–
ON: L, OFF: H
ON: L, OFF: H
–
–
Mute: H
–
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