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Thread: Nervous Buyer - Can anyone confirm these connections!?!

  1. #1
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    Nervous Buyer - Can anyone confirm these connections!?!

    I'm pretty definite about getting a Biscuit PC from Advantech now and I'm looking for a few opinions on if I've got these connections right. The LCD panel is a Sharp LQ10DS05 with a 40-pin Hirose connector on the back.

    The Biscuit PC is the PCM-5822 which has a 44-pin mini EIDE connector. While searching for info on the LCD panel, I found it was mentioned in the supported LCDs of the PCM-4825. Although it was specifically named, I didn't want to buy a machine with a low spec (even for a Biscuit PC!). So I think that the 5822 supports it, the LCD Chipset is slightly different but most of the pinouts are there just in different places. Anyway, here are the details so far (excuse the layout!):


    PCM-5822 Label LQ10DS05 Label
    1 > ? +12v 1 GND
    2 > ? +12v 2 CK
    3 > ? GND 3 GND
    4 > ? GND 4 GND
    5 > 36 Vcc_LCD 5 HSYNC
    6 > 37 Vcc_LCD 6 VSYNC
    7 N/C 7 GND
    8 > ? GND 8 R0
    9 N/C 9 R1
    10 N/C 10 R2
    11 > 26 PD0 = BLUE0 11 R3
    12 > 27 PD1 = BLUE1 12 R4
    13 > 28 PD2 = BLUE2 13 R5
    14 > 29 PD3 = BLUE3 14 GND
    15 > 30 PD4 = BLUE4 15 GND
    16 > 31 PD5 = BLUE5 16 GND
    17 N/C 17 G0
    18 N/C 18 G1
    19 > 17 PD6 = GREEN0 19 G2
    20 > 18 PD7 = GREEN1 20 G3
    21 > 19 PD8 = GREEN2 21 G4
    22 > 20 PD9 = GREEN3 22 G5
    23 > 21 PD10 = GREEN4 23 GND
    24 > 22 PD11 = GREEN5 24 GND
    25 N/C 25 GND
    26 N/C 26 B0
    27 > 8 PD12 = RED0 27 B1
    28 > 9 PD13 = RED1 28 B2
    29 > 10 PD14 = RED2 29 B3
    30 > 11 PD15 = RED3 30 B4
    31 > 12 PD16 = RED4 31 B5
    32 > 13 PD17 = RED5 32 GND
    33 > ? GND 33 GND
    34 > ? GND 34 GND
    35 > 2 SHFCLK = CLOCK 35 ENAB
    36 > 6 FLM = VSYNC 36 VCC
    37 > 35 DE (M) 37 VCC
    38 > 5 LP = HSYNC 38 TST;R/L
    39 > ? GND 39 TST;U/D
    40 > ? ENABKL 40 GND
    41 N/C 41 GND
    42 N/C
    43 > ? VSAFE (ENAVDD)
    44 > ? Vcc_LCD

    I've put my guess after the '>' in the left column for where the pin goes on the LCD panel. I hope it doesn't matter that the 'TST;R/L' and 'TST;U/D' aren't connected, whatever they are!

    If anyone could have a quick check and offer their advice it would be great before I go out and buy something and find it all doesn't work! I've been told that it's best not to wire all grounds together to avoid interference but go to separate connections. I just want to make sure before I spend a fair amount on a custom made cable!

    Also, I've still got the inverter for the panel from the Dell Laptop where it came from. It has lots of numbers but nothing that looks like a product code, it has dell all over it. It takes current from a 10-pin ribbon cable, is it worth using this, or just buying another inverter?

    Thanks for taking the time to read this long post!

    Alex O'Donnell

  2. #2
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    As long as you get the Vin, GND, clock, Hsync, Vsync, and all the RGB right, it should work fine. My screen had some other stuff that I didn't worry about.

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