Samsung PL-42P7HP Service Manual page 102

Circuit Description
13-2-2 PDP Module
1. Logic Board
■ A name of main part of Logic Board and vocabulary.
Item Name
① Y Connector
② LVDS Connector
③ Power Connector
④ X Connector
⑤ ASIC CHIP
⑥ DDR MEMORY (MENCON)
⑦ DDR MEMORY (Frame Delay)
⑧ JTAG PORT
⑨ Initial image option PIN
Micom Loading 5Pin Connector
or
⑩
Uart Connector
⑪ ARM-PROCESSOR
⑫ Buffer Connector
⑬ Operating Status LED
⑭ Buffer Connector
⑮ V-TOGG
13-4
The connector to output the control signal for the Y drive board.
The connector to receive the RGB, H, V, DATAEN and DCLK signals that have been LVDS
encoded through the Main board.
The connector to receive power (5V, 3.3V) for the Logic board.
The connector to output the control signal for the X drive board.
The main processor that generates and outputs the logic drive signal and the address data.
The Memory to restore Address output data.
The Memory to restore FCR data.
The port to communicate uCOM.
Initial image select F/W or BLACK :
Jumper Yes : or
4 3 4 3
2 1 2 1
The connector to load the Micom drive program. The program is loaded by connecting to
the GA-WRITER.
Connector that loads and controls 512K data, and connects kiss can Board
IC block Control-signal to drive logic main.
The connector to output the address data and the control signal to the E-buffer board.
The LED that shows whether the Sync and Clock signal is properly supplied to the logic
board. (Normal Status: Blinks at 0.5 second intervals)
The connector to output the address data and the control signal to the F-buffer board.
V-SYNC output pin.
Explanation
Full White, Jumper No :
4 3
2 1
Black
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