PRO-700HD
220
7
PD5462B9 (TUNER u-COM: IC2201)
MAIN µ-COM
¶
Pin Function
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin Name
OPTION
TEMP.S
AFT1
AFT2
KEY
DPO
YOBI
SRDY
MCLK
MDATA
SDATA
MREQ
ANT SW2
H SYNC1
H SYNC2
V BLK2
NC
NC
MTS SW
(D)SCL
(D)SDA
(D)BUSY
(D)RESET
(D)INT
REM
CNVSS
RESET
TIMER LED
DTV LED
XIN
XOUT
VSS
LED ON/OFF
P.D.
RELAY1
RELAY2
AC CLK
FAN DRV
A.MUTE1
A.MUTE2
I/O
I
I
I
I
I
I
I
I
O
O
I
O
O
TIM input
TIM input
INT input
I
I
O
O
I/O
I
O
INT input
INT input
–
I
O
O
I
O
–
O
I
O
O
I
I
O
I
Function
For software destination switching
Unused
AFT analog voltage input to tuner 1
AFT analog voltage input to tuner 2
Analog DC voltage input for determination of KEY input
DPO analog voltage input
Unused
SRDY signal for communication with sharp microprocessor
MCLK signal for communication with sharp microprocessor
MDATA signal for communication with sharp microprocessor
SDATA signal for communication with sharp microprocessor
MREQ signal for communication with sharp microprocessor
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.
For data transmission timing
Unused
Unused
Tuner 1, 2 audio input switching control signal
I2C BUS for communication with DTV tuner
I2C BUS for communication with DTV tuner
BUSY signal for communication with DTV tuner
RESET signal for communication with DTV tuner
INT signal for communication with DTV tuner
SR remote control signal input
Connected to VSS
RESET input
LED control signal for reserved recording
LED control signal for DTV reception
Main clock generation circuit input pin
Main clock generation circuit output pin
Prints 0V
Main PW RED LED control signal
Unused
TV GUIDE +, TUNER 2 power supply relay control
General secondary side circuit power supply relay control
AC.CLK detection input for detection of AC power supply OFF
Unused
Audio mute output
Unused
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
–
Содержание PRO-700HD
Страница 2: ...PRO 700HD 158 ...
Страница 111: ...PRO 700HD 267 IC2202 C2203 IC4405 IC5254 SUB VIDEO ASSY VIDEO ASSY Y OSC SW2 ...
Страница 112: ...PRO 700HD 268 IC2702 IC2701 IC6001 IC6402 IC6401 TV1 TV2 TV3 17 7 3 2 AUDIO BLOCK ...
Страница 113: ...PRO 700HD 269 IC1205 IC1204 IC1201 IC1201 IC1202 1 15 2 5 12 11 IC1207 IC1201 3 5 23 5dB 6 5dB ...