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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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Giddings & Lewis Servo Board PCB Assembly 501-03852-00 & 502-03055-00

$899.00 USD

Sale Sold out

ConditionSurplus - Untested MPN501-03852 Stock #0226-00531

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 5.0 lbs

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This is a used Giddings & Lewis Electronics servo board PCB assembly bearing part numbers 501-03852-00 and 502-03055-00, silkscreened directly on the board face. The Giddings & Lewis brand logo is printed on the board. Board serial number 41 8408 is visible on the silkscreen. The board is a large-format, high-density through-hole assembly configured for four independent servo channels labeled SERVO CHAN A, B, C, and D along the left edge. Gold-edge card connectors labeled BOARD and P1 are located along the board edges. A DAC-80-CBI-V D/A converter IC in a gold-lid ceramic package with a 9984 date code is present, indicating a later component than surrounding ICs and suggesting possible field replacement. A 16.384 MHz crystal oscillator Y-1 is present. Primary analog switch ICs are Intersil IH6108CPE at IC-1, IC-2, IC-44, IC-64, IC-74, IC-79, and additional positions with 8431 date codes. Motorola TL082CDS dual op-amps branded 34002DS with K8622 date codes are present at multiple IC positions. NE5532 and NE5553 precision op-amps appear at IC-32, IC-54, and IC-76. Logic ICs include SP8516A DM74LS174N, SP8516A DM74LS244N, SN74LS640N, SN74LS240N, SN74LS138N, SN74LS123N, SN74LS04N, PB524A DM74LS08N, SP8516A DM74LS174N, PB444A DM74LS73AN, PB620A DM74LS20N, PB448AA DM74LS164N, and DM7406N among others. MC74F32NDS and MC74F174NDS fast logic ICs are present with 8623 and 8552 date codes. Test points TP1, TP2, GND TP9, and D/A OUT TP3 are accessible. Physical condition shows signs of prior installation and use.

Stock # 0226-531

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.