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PM5515 TV Pattern Generator teardown

For old analogue TV signals

Keith

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Description
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Files 6
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Components 0
Logs 1
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Instructions 0
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Description

This must have cost a fortune when new, but now as obsolete as analogue TV. Marked faulty, I thought I would have a look inside.

Files

SAA1043_from_1988-12.pdf Adobe Portable Document Format - 989.92 kB - 02/29/2024 at 01:12		Preview

pattern_generator_firmware.txt Initial disassembly. plain - 87.91 kB - 02/28/2024 at 20:47		Download
pattern_generator_firmware.hex Intel hex file hex - 19.28 kB - 02/28/2024 at 20:22		Download
pattern_generator_firmware.bin For 8085 CPU octet-stream - 8.00 kB - 02/28/2024 at 20:22		Download
PM5155-pattern.hex.txt The pattern generator pattern ROM. plain - 19.28 kB - 02/28/2024 at 02:15		Download

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Project Logs

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Keith • 02/28/2024 at 02:10 • 0 comments

It is big...

The daughter board on the left has a ROM that seems to hold the patterns.

It uses an SAA1043 universal sync generator.

A module can.

An 8085, 8155, and EEPROM. The 8155 contains 2K of RAM.

4012 110 10812 Digital Board For PM5515:

4012 110 11131 Multiburst Board For PM5515

View project log

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