Hobbyist or repairer
How to Test & Rejuvenate a Sony Trinitron CRT
Poor colour and white balance persist on a rebuilt Sony PVM 20M2MDU Trinitron, so the channel tests the tube with a B&K Precision 467 analyser and then rejuvenates it.
Audience
Advanced
Assumes real experience.
Hobbyist or repairer
Let's fix this 𝗗𝗘𝗔𝗗 ATX power supply!
Is an old, dead ATX power supply worth the time to repair? Tony359 puts one on the bench to find out what has failed and whether it can be saved.
Hobbyist or repairer
Troubleshooting An IBM PC 5150 - Down The Rabbit Hole We Go!
About a week of fault finding goes into an IBM PC 5150 motherboard pulled from e-waste, and the maker admits to almost giving up along the way.
Hobbyist or repairer
Fixing a Commodore 1541 Disk Drive
Out comes the oscilloscope for a dead Commodore 1541 disk drive, a short board model with an Alps mechanism, which the maker sets out to fix.
Hobbyist or repairer
The world's LOUDEST CRT - Vectrex 3000
The channel puts a Vectrex on the bench, updating its capacitors and chasing down a short, with other repairs along the way.
Hobbyist or repairer
ACID killed this Neo Geo arcade board. Can I bring it back to life with TOOLS and KNOWLEDGE?
Corrosion has killed a Neo Geo arcade board, by the maker's account, and 74XX Arcade Repair sets out to bring it back with tools and board knowledge.
Publication or museum
Commodore SX-64 Restoration Finale | Trash to Treasure (pt3)
Power supply faults in a Commodore SX-64 are the last hurdle in part three, after which the machine is put back together.
Hobbyist or repairer
1976 Sony Trinitron KV1215 No Power No High Voltage Diagnosis Resurrection Using Fnirsi 2C53T Scope
Several bad parts turn up in a 1976 Sony Trinitron KV1215 that has no power and no high voltage. The maker uses a Fnirsi 2C53T oscilloscope and traces what caused the failure.
Hobbyist or repairer
Commodore Amiga 500+ - Corrosion & More
Corrosion and odd behaviour once it boots are the problems on this Amiga 500+, a donated machine the channel works through after getting it running.
Hobbyist or repairer
Can It Run Tualatin? The MSI BX Master Has a Major Problem...
An MSI BX Master board is tested for Tualatin processor support, but corrosion on the board has to be dealt with first.
Hobbyist or repairer
I Dug a Hole Inside a Pentium III to Fix It!
A broken pad on a Tualatin Celeron 1200 took the core connection with it, so the maker cuts down into the substrate to reach it and rebuild the link.
Hobbyist or repairer
This G.O.A.T. arcade game literally burned me. Let's fix Teenage Mutant Ninja Turtles!
A Teenage Mutant Ninja Turtles arcade board is on the bench at 74XX Arcade Repair, and the maker says the job ended with a real burn.
Hobbyist or repairer
Amiga 3000 "Flicker Fixer" repair strategies
The Amiga 3000's Flicker Fixer circuitry was damaged by a leaking NiCd battery, and this finale sets out how the maker plans to repair it, citing a linked article.
Hobbyist or repairer
I Tested 7 Unknown Commodore 64s. How Many Still Work?
Seven Commodore 64s of unknown condition are put to the test, after the maker builds and calibrates an OpenC64Saver to guard them against a failed 5V supply.
Hobbyist or repairer
Upgrading Sony's Grail CRT -The KV-27FV310 RGB Mod
RGB input is added to a Sony KV-27FV310 NTSC Trinitron to lift its picture quality, and the maker lists the soldering irons used.
Publication or museum
Commodore SX-64 Restoration - Keys and CRTs | Trash to Treasure (pt2)
The Commodore SX-64's built-in CRT and its keyboard are tackled in part two of The Retro Collective's Trash to Treasure restoration series, with part three still to come.
Hobbyist or repairer
Apple Archeology: A "shed found" Apple II+ filled with cards
What is inside an Apple II+ that sat in a leaking shed for at least thirty years? Adrian Black opens it up, looks over the cards and tries to get it running.
Hobbyist or repairer
That Amber Glow: Fixing a shed-found 9" composite monitor (USI Pi4)
Found in the same shed as the recent Apple II+, a broken USI Pi4 amber monitor is the next job, and the maker sets about getting it working.
Hobbyist or repairer
C64 ASSY 250407 shows random Colors on Startup
A C64 ASSY 250407 showing random colours at startup is worked through by Jan Beta, who checks the voltages, a suspect power switch and the VIC-II in turn.
Hobbyist or repairer
Game Boy CPU Transplant! Fixing Dead Buttons (Super Game Boy Donor)
After a ribbon cable was shifted with the power on, a Game Boy DMG lost its left D-pad and B button, and a CPU taken from a Super Game Boy replaces it.
Hobbyist or repairer
The Motherboard DIES when this Sound Card is plugged in!
Why would a motherboard die whenever a sound card is plugged in? Tony359 goes after the fault on an Aztech card, and the job involves microsoldering.
Hobbyist or repairer
Atari Video Music - power supply and simple composite mods
Atari Video Music is checked outward from its power supply. Timestamps run through voltage checks, signs of life, finding composite video and then adding a composite output.
Publication or museum
The CRT from Hell - Commodore Amiga 3000 (Pt 3)
Fault finding on both an Amiga 3000 and its CRT monitor grows into a tangle of checks in part three of the series.
Hobbyist or repairer
Sony BVM 1311: The 90s Trinitron Studio Monitor - Troubleshooting & fixing lots of problems
Why does a Sony BVM 1311 monitor flash? The channel suspects a bad tube at first, but notes something smells fishy, and goes on to check the tube and other components.
Hobbyist or repairer
Amiga 3000T Restoration Part 2: Removing Battery Corrosion
Neutralising and washing away battery leakage from the Amiga 3000T board and its expansion cards is the job in part 2 of a restoration series, with timestamps for each stage.
Hobbyist or repairer
Australian Varta Death Amiga 3000 repair 336 P1
Part 1 of a two part series follows an Australian Amiga 3000 that arrives for a small job and turns into a long repair of corrosion and electrolytic damage.
Hobbyist or repairer
Arcade PCB Repair - I'm totally blanking on this mystery Nintendo Vs Board
A mystery Nintendo Vs arcade board leaves 74XX Arcade Repair blanking, a pun the maker promises will make sense after watching.
Hobbyist or repairer
Richards Childhood Amiga 500 With Original Varta!
An Amiga 500 with original Varta battery damage gets a new CIA, ROM work, a resistor removed and an LS157N mouse controller chip, followed by a deep clean and repainted metal.
Hobbyist or repairer
This Apple II Monitor Was Screaming - Step-by-Step Apple Monitor II Repair
An Apple Monitor II with a high-pitched whine and a collapsed vertical picture is repaired in a step-by-step video from Retro Hack Shack.
Hobbyist or repairer
PS2 Disk Drive Repair & Tuning with PMAP – Doing It Right!
Calibrating a PlayStation 2 laser with PMAP over a USB to TTL cable is the centrepiece here, after the maker diagnoses a drive that no longer reads discs and cleans parts.
Hobbyist or repairer
Fixing 3 PS2 Power Supplies + Bonus Repair from the Shelf!
Three PlayStation 2 power supplies are repaired, plus one more unit revisited from an earlier job, using a multimeter, desoldering tools and a capacitor discharging tool.
Hobbyist or repairer
Super Nintendo/Famicom faulty CPU or PPU repair
Black screens, corrupt graphics and games that refuse to load on a Super Nintendo can point to a faulty CPU or PPU, and the maker sets out tips for diagnosing it.
Hobbyist or repairer
Arcade PCB Repair - I Tried to Fix Punch-Out… It Tried to KO Me!
A Punch-Out arcade board puts up a fight as 74XX Arcade Repair works on it, and the maker links the tools used as affiliate links.
Hobbyist or repairer
Sega Saturn Repair - No Power, No Drive Response… What’s Wrong?
Dan investigates a Japanese Sega Saturn that will not power up, leaves the CD drive still, and shows only faint signs of life, working through the faults found.
Hobbyist or repairer
Restoration of the Revolutionary UnMouse
Getting an UnMouse working has to come before judging it. Branchus Creations links a plus and minus power supply module, and the Pico ATX unit that failed along the way.
Hobbyist or repairer
UltraHDMI HW2 HDMI Port Repair
A broken mini HDMI socket on an UltraHDMI HW2 board gets replaced using a hot plate and flux, with the part and tools listed under the video.
Hobbyist or repairer
Repairing a motherboard with a subtle intermittent fault
An intermittent fault on a CompuAdd SCAT386SX motherboard takes a long diagnosis, one of the hardest the maker has dealt with. The C&T chipset datasheet is linked.
Hobbyist or repairer
Cleaning hurricane damaged Retro Computers & CRTs
After Hurricane Helene flooded a collection in Asheville, the first stage of cleanup surface-cleans mouldy retro computers and CRTs, leaving internal cleaning and testing for later parts.
Hobbyist or repairer
SNK MVS MV4F No Boot Fix
Neo Geo MV4 no boot repair begins here, with board cleaning, soldering a surface mount RAM chip and fault finding, plus talk of the custom chips, boot process and test methods.
Hobbyist or repairer
Restoring Vintage Macintosh Treasure!
What is inside two bags of mystery Macintosh hardware, and can any of it be restored? Branchus Creations opens Bag A and Bag B in turn to find out.
Hobbyist or repairer
Sony Trinitron CRT KV G14B1 RGB Mod
Sony Trinitron KV-G14B1 gets an RGB input modification, with the maker working from schematics and showing how to adjust the RGB and sync voltages so the set is not overdriven.
Hobbyist or repairer
Composite Signal Waveform Introduction
A composite video signal is read on an oscilloscope, with the maker explaining blanking periods, colour burst phase and scope triggering, then tracking a bad signal on a Mega Drive 2 video adapter.
Hobbyist or repairer
Unique Slot 1 motherboard: Creative Blaster Board M003
This Slot 1 board from EMPAC and Creative, with SoundBlaster Live audio built in, will not POST. Severed traces are suspected after it came out of a scrapyard.
Hobbyist or repairer
Midway Galaga Arcade PCB Repair
Replacing sockets, reset and enable circuit chips and removing a shorted trace brings a Midway Galaga board back, using a Fluke 1090A to chase reset, ROM and RAM faults.
Hobbyist or repairer
3Dfx Voodoo legs disconnected - can we fix them?
Bits und Bolts finds that many secondhand Voodoo cards have chip legs lifted from their pads, then sets out to resolder every leg on a card fitted with faster memory.
Hobbyist or repairer
Nintendo Punch Out Arcade PCB Repair
Overcurrent damage to a Nintendo Punch-Out arcade board is narrowed to the audio amplifier circuit and an LA324 chip, with repairs to battery leakage damage as well.
Hobbyist or repairer
Commodore 386SX-16 battery damage repairs feat. @MrLurchsThings
The Retro Channel works through battery damage on a Commodore 386SX-16 board, covering disassembly, cleaning and trace restoration, with the board described as needing minor repairs.
Hobbyist or repairer
Fixing my GeForce 2 MX (black screen) - after 20 years!
A GeForce 2 MX owned since 2001 stopped giving any picture, and chip removal practice later made the damage worse. Bits und Bolts tries to fix it twenty years on.
Hobbyist or repairer
Panasonic FS-A1F MSX2 Home Computer Game Console Repair
A dead Panasonic FS-A1F MSX2 comes back to life as the maker checks V9938 outputs, clock signals and RGB and sync, then replaces the main board capacitors and the hybrid audio and video chip.
Hobbyist or repairer
SOL-20 museum restoration, PART I
The power supply of a Processor Technology SOL-20 is restored by replacing only the original parts that need it, including reforming bulk capacitors, in the first part of a museum series.
Hobbyist or repairer
FunnyPlaying Custom Game Boy Advance Motherboard Replacement
Moving the CPU and RAM from an original Game Boy Advance board onto a Funnyplaying replacement motherboard is the job here. The maker rates it as advanced soldering work.
Hobbyist or repairer
Pet Power! Transformer Restoration & Capacitor Reforming - Pet 4032
The badly rusted mains power supply of a Commodore PET 4032 is restored and its large filter capacitor is reformed, in an episode that follows a first look and disassembly.
Hobbyist or repairer
$1,795 Luggable PC from 1985: Sharp PC-7000
Sharp's PC-7000, a lunchbox-style MS-DOS portable from 1985, is cleaned up, tested and then put to use by LGR.
Hobbyist or repairer
How To Service A CRT Monitor
Noel's Retro Lab fixes a monochrome Amstrad CRT monitor and sets out working practices for a kind of set the maker describes as dangerous.
Hobbyist or repairer
Socket 7 motherboard repair - endless faults!
Endless faults, in the maker's words, turn up on an uncommon ASK ATX55C Socket 7 board that Tony359 sets out to revive, starting with jumper setup and a first power up.
Hobbyist or repairer
Gateway Astro: $800 All-In-One PC from 1999!
The Gateway Astro all-in-one desktop from 1999 is repaired and tested, then set up to run Windows 98, in a video that also notes its Rugrats and Blue's Clues bundles.
Hobbyist or repairer
AMPTRON PM-9600 Socket 7 motherboard repair
An Amptron PM-9600 Socket 7 board with the TX Two chipset is worked through from jumper setup and first power up to troubleshooting its voltage supply.
Hobbyist or repairer
The Biggest CRTs still in use: The Sony XBR Trinitron Tube TV
Sony KV-32XBR45 Trinitron servicing starts with a look inside the set, then moves to cleaning, discharging the tube and testing, using a 240p test suite for the display.
Hobbyist or repairer
Part 1 of 3 - CinemaTronics Vector Monitor Repair
A CinemaTronics vector monitor comes in for repair in the first of three parts, with a high voltage probe and an oscilloscope among the kit listed.
Hobbyist or repairer
Sharp MZ-80K museum-quality restoration, PART 1
Previous owner modifications turn up as the maker investigates and strips down a 1978 Sharp MZ-80K, noting each change before restoring the motherboard in part 1.
Hobbyist or repairer
Oric Repair: The "Impossible" RAM Failure
Why would an Oric Atmos show an "impossible" RAM failure? Noel's Retro Lab expects a fairly routine repair and ends up hunting for where the fault really lies.
Hobbyist or repairer
Arcade CRT Tube Swap and Rejuvenation (25" WG K7000)
A Goldstar consumer tube goes into the 25 inch WG K7000 monitor of a CPS2 cabinet, and because that tube is dim the maker then tries rejuvenating it.
Hobbyist or repairer
Restoring a 1976 Wang 2200F mini-computer, Part 1
Without a microprocessor, this 1976 Wang 2200F mini-computer runs on 113 discrete TTL chips. Episode 1 gives an overview, then takes the machine apart to look at its digital and analogue cards.
Hobbyist or repairer
Sony Trinitron KV1541 Remote Set Super Hard Fix 1977 Vintage Color TV
A 1977 Sony Trinitron KV1541 colour set, a remote control model, goes through diagnosis and repair on the shango066 bench.
Hobbyist or repairer
Perfect restoration of a 1977 Commodore PET 2001, Part 1
Case, built-in monitor and microelectronics all get attention as the maker restores a 1977 Commodore PET 2001, one of the earliest home microcomputers, in part 1 of a series.
Hobbyist or repairer
A very used up (and broken) Sony Trinitron from 1976
Sony's 1976 KV-9200, a small early Trinitron, is worn out and broken, and the maker says it needed some repair before it would run again.
Hobbyist or repairer
PCChips M921 486 motherboard repair
A faulty 486 motherboard, later identified by the maker as a PCChips M921, is troubleshot by Tony359 with advice from the Vogons forum, and a reference page is linked.
Hobbyist or repairer
Atari Lynx II Recap & BennVenn Install
The Atari Lynx II gets new capacitors and a BennVenn LCD in place of its original screen, with a hot air station and microscope among the tools listed.
Hobbyist or repairer
Can This Broken Amstrad CPC464 Be Saved? Let's Find Out
An Amstrad CPC464 and its MP1 module go on the bench with a buzz, no power, a broken keyboard and a faulty cassette, to find out whether they can be saved.
Hobbyist or repairer
Garbled Screen! Amstrad CPC 464 Video Failure
Why does an Amstrad CPC 464 show a garbled screen? Noel's first suspect, the CRT controller, turns out to be wrong, and the hunt moves through power, the gate array, ROM, Z80 and RAM.
Hobbyist or repairer
Rebuilding A Commodore 64 Power Supply
Rebuilding a Commodore 64 power supply means removing the potting, rewiring around a modern 5V module, testing, and tracing the machine's wires, with alternatives to rebuilding discussed.
Hobbyist or repairer
IPS Kit Ribbon Repair (Part 1 of 2)
A torn funnyplaying GBA IPS kit ribbon has two repair routes, scraping back the solder mask to reach the traces or soldering onto the components instead.
Hobbyist or repairer
BBC Micro - Part Two: Full Refurbishment
A BBC Micro is refurbished and detailed back towards factory condition in part two of a series, which also reaches the machine's Ashtray and finds problems in its power supply.
Hobbyist or repairer
Fixing An IBM 5154 EGA Monitor For #DOScember
A non-working IBM 5154 EGA monitor is bought to see if it can be saved from the recyclers, and the maker tests capacitors, replaces transistors and chases a grounding fault.
Hobbyist or repairer
Electrohome G07 Monitor Chassis Cleanup and Recapping 10-17-20
An Electrohome G07 arcade monitor chassis gets a clean-up and a recap from Classic Arcade Repairs, who link the oscilloscope and desoldering tool they use.
Hobbyist or repairer
Fixing & Servicing a BBC Micro Power Supply after the caps explode!
Blue smoke from failed Rifa X2 suppression capacitors is the starting point for servicing a BBC Micro power supply, with the smoothing capacitors replaced using a Retro Clinic kit.
Hobbyist or repairer
PS1Digital - The Ultimate PlayStation 1 1080p HDMI Mod | MVG
Modern Vintage Gamer looks at PS1Digital, a direct-from-motherboard HDMI mod for the original PlayStation, and says there are points to be aware of first.
Hobbyist or repairer
Rejuvenating a Macintosh CRT with equipment from 1969
Can a tired, dim picture tube be brought back? Adrian tries rejuvenation on the CRT from a Macintosh Classic II, in part 4.5 of the Macintosh Repairathon series.
Hobbyist or repairer
1980 Midway Pac-Man AC Power Supply Testing
Classic Arcade Repairs tests the AC power supply of a 1980 Midway Pac-Man, the part of the cabinet that powers the game board.
Hobbyist or repairer
Atari Lynx No Power Repair - Power Components & Capacitor Replacement Guide
Atari Lynx Model 2 consoles often fail to turn on, and here the power stage is rebuilt with a Digital Delights kit, replacing a MOSFET, diode, two transistors and a resistor.
Hobbyist or repairer
C128 Crystal Power - How to test crystals in circuit.
Crystals can be tested in circuit with an oscilloscope, and this C128 repair traces a missing clock to a dead one. The maker says the go/no-go test is done with the machine powered off.
Hobbyist or repairer
Don't Let an Old Power Supply Fry Your Commodore 64!
Old power supplies can fail and damage a Commodore 64, according to the maker, who builds a replacement and discusses what goes wrong in the originals and which voltages the machine uses.
Hobbyist or repairer
Yet Another GBA SP Battery Mod
Can a GBA SP hold more charge? The maker builds a replacement lithium pack, aiming to lift capacity from 550mAh to about 900mAh.
Hobbyist or repairer
Adjusting CRT Convergence
Colour fringing on a Sony PVM 1353MD is dealt with by positioning the deflection yoke and turning the adjustment rings on the tube neck.
Hobbyist or repairer
Xbox Common Repairs, Capacitor Removal, Belts, & Controller Cable
Three original Xbox consoles get repairs, from capacitor removal and new belts to a mended controller cable, with a warning against prising the case open with a screwdriver.
Hobbyist or repairer
Build a Dummy Load to test vintage power supplies
A resistive dummy load built from power resistors or car light bulbs lets a vintage computer power supply be tested. The video also works through choosing values and a reference sheet.
Hobbyist or repairer
Getting my non-working IBM PS2 P70 back into shape.
An IBM PS/2 P70 386 luggable that does nothing at all gets a teardown and some fixes from the maker, who says more work is still to come.
Hobbyist or repairer
What's Wrong With This Dead Vectrex?
What is wrong with a totally dead Vectrex bought as junk on eBay? The maker diagnoses the fault, after warning that the CRT can hold a deadly charge even when switched off.
Hobbyist or repairer
Troubleshooting a "black screen" C64
A Commodore 64 mainboard (assembly 250407) powers up to a black screen, and the maker troubleshoots it, with links on PLA chips and on how the maker removes chips.
Hobbyist or repairer
SNK Neo Geo - 10 x Neo Geo MVS Board Repairs Part 1 (Z80, Watchdog, SFIX) - MV1A MV1AX Neo-Buf
Ten Neo Geo MVS boards from a friend are being repaired, and the first three come up here with Z80, watchdog and SFIX faults on MV1A boards.
Hobbyist or repairer
How to fix screen tilt on a CRT TV Monitor - Yoke Detailed
How is screen tilt corrected on a CRT TV or monitor? The maker explains the deflection yoke in detail, then goes over adjustments and demonstrates some repairs and corrections.
Hobbyist or repairer
Recapping Tutorial - how to replace old, leaky surface mount electrolytic capacitors
Surface-mount electrolytic capacitors that have leaked are replaced on a Macintosh Classic II motherboard, with guides to recapping other Macs linked.
Hobbyist or repairer
Modding a consumer TV to use RGB input
The 8-Bit Guy modifies a consumer CRT television so that it takes an RGB input, working inside the set itself.
Hobbyist or repairer
Modding a TV for RGB - Part 2
Part two of an RGB input mod for a consumer CRT television continues the work on the set, with a forum thread linked under the video for the mod itself.
Hobbyist or repairer
Part 2: Apple Monitor IIc - Retrobrite and Tune Up
Restoring an Apple IIc monitor reaches its second part. The case is retrobrited, then the monochrome monitor gets a full tune up and alignment.
Hobbyist or repairer
Mac84: Original Apple iMac G3 20th Birthday Restoration
Mac84 restores an original 1998 Bondi Blue iMac G3 to factory condition for its twentieth birthday, with a look back at the machine, a few games and a speed test.
Hobbyist or repairer
0x001B.2 - Solid Polymer ReCap of Mac Classic II
The Macintosh Classic II board gets solid polymer capacitors in a follow-up to the earlier repair, and the maker regrets assuming tantalum parts for the 47uF positions could not be found.
Hobbyist or repairer
0x001B.1 - Macintosh Classic II Repair
After a Macintosh Classic II turned unreliable, Tech Tangents opens the case and cleans leaked electrolytic fluid off the board, calling it a stopgap until the capacitors are replaced.
Hobbyist or repairer
IBM PCjr Repair and Restoration
The 8-Bit Guy restores an IBM PCjr to its original condition and also repairs a monitor that was damaged while being shipped, with a guest channel linked.
Hobbyist or repairer
Laser XT Restoration
Can two broken Laser XT compact computers make one working machine? The 8-Bit Guy tries to combine them, alongside a complete restoration of the result.
Hobbyist or repairer
Commodore PET Repair and Restore
A Commodore PET from the late 1970s gets its keyboard repaired, its screen brightened and its case cleaned by The 8-Bit Guy, who goes through each job in turn.
Sells parts or repairs
NEW MODS FOR THE NINTENDO 64! N64Digital!
Solder bridges, the blobs that can wreck a video mod, get their own removal method as a PixelFX N64Digital kit is fitted to a Nintendo 64.
Hobbyist or repairer
Tuning up a Dell M992 CRT monitor
A free 19 inch Dell M992 CRT monitor, built by Samsung in 2002, arrives filthy and beaten up, and Adrian's Digital Basement sets about tuning it up.
Sells parts or repairs
HDMI Game Boy Mods That You've Never Before Seen! GBA Consolizer
Can a Game Boy Advance run on a television over HDMI? Voultar fits the GBA Consolizer kit, which turns the handheld into a console with an HDMI output.
Hobbyist or repairer
Sega Dreamcast Reboots / Cuts Out / Resets Problem - Quick & Easy Fix
Resets in the middle of a game on a Sega Dreamcast are traced to the power supply socket, whose pins are cleaned after the supply is lifted out of the console.
Sells parts or repairs
Getting the best possible video quality out of the SNES 1CHIP
Voultar sets out how to fit their own video driver board to a SNES 1CHIP console for a cleaner picture, and adds a ghosting fix of their own design.
Sells parts or repairs
Dirty and Dead PC Engine!! - Repair & Restoration
A PC Engine that does not work is probed with a meter until the break in the board turns up, and the video then restores the plastic housing.
Sells parts or repairs
Getting Amazing RGB Video from the AV Famicom!
NESRGB, a kit by Tim Worthington, goes into an AV Famicom for RGB video. Most of the time goes on lifting the PPU, which the maker says people find hard.
Sells parts or repairs
Dirty and Dead PC Engine Duo! Soldering Repair with Restoration!
Voultar strips down a Japanese PC Engine Duo that has never been serviced, and spends most of the time on cleaning leaked electrolytic fluid off the board.
