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Audio Visual Board Assembly
A-20516-50050
J504-1
J504-2
J504-3
J504-4
J505-1
J505-2
J505-3
J505-4
3-25
LED50'
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J601 34-pin ribbon cable, data to CPU J202
Black-Yellow, signal to speaker
Key
N/C
Black, signal to speaker
Black-Yellow, signal to speaker
N/C
Key
Black, signal to speaker
J602 26-pin ribbon cable, data to CPU J201
J603 14-pin ribbon cable, data to/from dot matrix display driver
J604-1 Orange, -125V to display driver pin1
J604-2 Blue, -113V to display driver pin 2
J604-3 Key
J604-4 Black, ground to display driver pin 4
J604-5 Black, ground to display driver pin 5
J604-6 Gray, +5V to display driver pin 6
J604-7 Gray-Yellow, +12 to display driver pin 7
J604-8 Brown, +62 to display driver pin 8
J605-1 White, 80VAC from transformer secondary
J605·2 White, BOVAC from transformer secondary
J605·3 Violet, 100VAC from transformer secondary
J605-4 Violet, 100VAC from transformer secondary
J605-5 Gray-White, 18VAC Irom transformer secondary
J60S-6 Gray-White, loop from J60S-5
J60S-7 Gray, 18VAC from transformer secondary
J605·8 Gray, loop from J60S·7
J60S-9 Key
J605-10 Gray-Green, 18VAC from transformer secondary
J605-11 Gray-Green, 18VAC loop from J605·10
J606-1 Black, ground from power driver board J101·7
J606-2 Key
J606-3 Black, ground from power driver board J101·5
J606-4 Gray, +5V from power driver board J1 01-4
J606-5 Gray, +5V from power driver board J1 01-3
J606-6 Gray-Green, +12V from power driver board J1 01-2
J606-7 Gray-Green, +12V from power driver board J1 01-1
J607 Not Used