u/DenoiserUA

Hi!

I recently bought a red Sony HitBit HB-101 for my collection, but unfortunately noticed afterwards that the TAB keycap is missing.
The switch/plunger underneath is still intact, so I only need the keycap itself.

I’m looking for:
an original TAB key from Sony HB-101 / HB-201
a spare/damaged keyboard for parts
a cheap donor machine with the TAB key still present
The Sony part number for the TAB key is 9-987-081-01.

If anyone knows of another Sony/MSX model or vintage keyboard that uses the same or a compatible keycap, I’d really appreciate any information.
I’m located in Norway and can pay for the part and shipping.
Photos attached showing the missing key and what the original TAB should look like.

Hi everyone,
I’m trying to get the geometry as close to perfect as possible on my Philips 28PT4404/00 (L9.1E AA).

I’ve been adjusting the service menu while checking everything with 240p Test Suite (Sega Saturn) over RGB SCART, but I’ve reached the point where I’m not sure if the remaining problems can still be fixed in software or if they require yoke or magnet adjustments.

The remaining issues are:
slight inward curve in the upper left corner
the top edge slopes slightly downward towards the right
the bottom edge also slopes slightly downward towards the right
increasing EWC improves the upper-left corner but makes the top edge bow more

I’m attaching photos of the Grid, Overscan and some close-ups of the problem areas.

Does this still look like something that can be corrected in the service menu, or is it time to start adjusting the yoke or correction magnets?
If anyone has a Philips L9.1E AA chassis, I’d also really appreciate it if you could share your geometry values for comparison.

My current service menu values are:

VAM 50
VSL 17
SBL 0
HSH 41
EWW 51
EWP 41
EWT 4
EWC 10
H60 12
V60 10
VSC 10
VSH 50

Any advice would be greatly appreciated.