Bought as "Route 18"

Board silkscreened	TVX-3
			SUN ELECTRONICS CORPORATION

.a0	mb8516	stickered	TVG	
				54

.a1	mb8516	stickered	TVG
				55

.a2	mb8516	stickered	TVG
				56

.a3	mb8516	stickered	TVG
				57

.a4	mb8516	stickered	TVG
				58

.a5	mb8516	stickered	TVG
				59

.b0	mb8516	stickered	TVG
				60

.b1	mb8516	stickered	TVG
				61

.b2	mb8516	stickered	TVG
				62

.b3	mb8516	stickered	TVG
				63

They all appeared to have 2 blue dots handwritten on them

.59	mb7052	read as 82s129

.61	mb7052	read as 82s129

both .59 and .61 had the same checksum

Mame 0.133.3

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.a0 
tvx.a0              NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.a1 
tvx.a1              = route16.a1            Route 16 (set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.a2 
tvx.a2              = route16.a2            Route 16 (set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.a3 
tvx.a3              = route16.a3            Route 16 (set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.a4 
tvx.a4              = route16.a4            Route 16 (set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.a5 
tvx.a5              = route16.a5            Route 16 (set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.b0 
tvx.b0              = route16.b0            Route 16 (set 1)
                    = route16.b0            Route 16 (set 2)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.b1 
tvx.b1              = route16.b1            Route 16 (set 1)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.b2 
tvx.b2              = route16.b2            Route 16 (set 1)
                    = route16.b2            Route 16 (set 2)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.b3 
tvx.b3              = route16.b3            Route 16 (set 1)
                    = route16.b3            Route 16 (set 2)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.61 
tvx.61              = im5623.f10            Speak & Rescue
                    = im5623.f12            Speak & Rescue
                    = im5623.f10            Stratovox
                    = im5623.f12            Stratovox
                    = im5623.f10            Stratovox (bootleg)
                    = im5623.f12            Stratovox (bootleg)
                    = im5623.f10            Space Echo (set 1)
                    = im5623.f12            Space Echo (set 1)
                    = mb7052.6k             Space Echo (set 2)
                    = mb7052.6m             Space Echo (set 2)
                    = im5623.f10            Route 16 (set 1)
                    = im5623.f12            Route 16 (set 1)
                    = im5623.f10            Route 16 (set 2)
                    = im5623.f12            Route 16 (set 2)
                    = im5623.f10            Route 16 (bootleg)
                    = im5623.f12            Route 16 (bootleg)
                    = im5623.f10            Route X (bootleg)
                    = im5623.f12            Route X (bootleg)

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\tvx\roms\tvx.59 
tvx.59              = im5623.f10            Speak & Rescue
                    = im5623.f12            Speak & Rescue
                    = im5623.f10            Stratovox
                    = im5623.f12            Stratovox
                    = im5623.f10            Stratovox (bootleg)
                    = im5623.f12            Stratovox (bootleg)
                    = im5623.f10            Space Echo (set 1)
                    = im5623.f12            Space Echo (set 1)
                    = mb7052.6k             Space Echo (set 2)
                    = mb7052.6m             Space Echo (set 2)
                    = im5623.f10            Route 16 (set 1)
                    = im5623.f12            Route 16 (set 1)
                    = im5623.f10            Route 16 (set 2)
                    = im5623.f12            Route 16 (set 2)
                    = im5623.f10            Route 16 (bootleg)
                    = im5623.f12            Route 16 (bootleg)
                    = im5623.f10            Route X (bootleg)
                    = im5623.f12            Route X (bootleg)