63
18M_CLK_RESET
COFDM 18-54MHz PLL reset
1
15
TUNER_RESET
Tuner only reset
1
16
5-PLD-MPEG
Standby 5V
1
5
Total pin requirement
18
CONNECTOR H - MOTHERBOARD TO FRONT CONTROL PANEL
Connections between Chassis/Motherboard and Front Control Panel. This is a 2mm pitch in-line captive on the Motherboard and the
Front Panel.
Connector: Motherboard E5281 Connector Type JST 13DS - 8E
Front Panel E1 Connector Type JST 13DS - 8E
Function
No of connections
Pin Number
Strobe 1 / Standby LED
1
1
Strobe 2 / Power LED
1
2
Strobe 3 / IR Commands received LED
1
3
Strobe 4 / On Line LED
1
4
Keyscan 0 - input
1
5
Keyscan 1 - input
1
6
Keyscan 2 - input
1
7
IR Detect
1
9
Keyscan 4 - output
1
10
Keyscan 5 - output
1
11
Keyscan 6 - output
1
12
5V
1
13
GNDD
1
8
Total pin count
13
CONNECTOR J - MOTHERBOARD TO FRONT CONTROL PANEL
See note 9
Connections between chassis/motherboard and front control panel. This is a 2.0mm pitch in-line connector on the motherboard (see
note 7) and captive on the front panel when used.
Connector: E5283 (DSTB)
Function
No of
connections
Pin Number
GNDD
2
1, 6
KEYSCAN3 note 8
1
2
Spare
1
3
SDA
1
4
SCL
1
5
Spare
1
7
Spare
1
8
Total pin count
8
Note 8: Not used at present, these lines allow expansion of up to 12 keys if required with no hardware changes on the motherboard
Note 9: Not used at present.
CONNECTOR K - IN CIRCUIT PROGRAMMING CONNECTION
Connection between chassis/motherboard and programming module. This is a 2.5mm pitch in-line connector on the motherdoard.
Connector: E5284 (DSTB)
Function
No of
connections
Pin Number
Test, see note 8
1
8
+5V
1
7
TXDATA
1
6
RXDATA
1
5
+12V
1
4
RESET#, see note 9
1
3
VPP (programming voltage) , see note 8
1
2
Port 6.0 control link
1
10
GNDD, see note 8
2
1, 9
Total pin count
10
Note 10: This allows for link blocks to be fitted across pins 1 and 2, and 8 and 9 when not in programming mode.
Note 11: This reset input must be actively pulled low (<0.5V) to reset the processor.
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