Toshiba HX-10 no power

presume I need to keep the normal close switch on
will give it a try now

check the AC of secondary of transformer after disconnect it

blue is common
2 x brown 8,5V ~
purple 16V ~

Check also -5v on video RAM - IC17. Should be on pin 1.

On my machine TR4 gets very hot. If this transistor doesn't get hot, then something is broken before it. Same applies to the other transistor nearby.

Also chech if joystick port pins are not bent. They can short the 5v power rail.

i have trying on a real HX10
the real colors are
purple - blue 18V=
grey - brown 9V=

3 solutions :
- the power cable is out of order
- the power switch is out of order
- the transformer is out of order

warning don't make the MSX on the supply 220V
for checking multimeter setting on omega symbol
disconnect the cable and check it
disconnect the switch and check on two positions

for the transformer
check primary coil between black and withe = 200 ohms
check secondary coil between purple and blue = 6 ohms
check secondary coil between grey and brown = 1 ohms

for information the slot have a micro-switch for protect insert cartrige

can you post a picture of your multimeter on AC position ?