Across

1Grid sign, cheap, drawn up in a type of visual communication (7,6)

9This needs to be done with a balance for a satisfactory compromise (6)

10Ruffle wrapped by son returned for not being fancy (2-6)

11Classical ballet step exhibited by some shop assistants (3)

12Go back, get entertained by Yahoo, and then, exit the system (3,3)

13Cheat East German in prime form (8)

14Open-mouthed stare I'd caught (6-4)

17Kitchen appliance's authentic press release yanked (4)

18What a cat does in the stabling yard (4)

19Natives' dangerous option to imprison Doctor Paul (10)

21Being alert, I find mixed lead in cadmium yellow for intelligence (8)

23Lock wage for hire (6)

25English chief gets rid of the one number with glamour (3)

26Rite I organized to capture the mountain ox for a Japanese dish (8)

27Condemns loss of note about the official count (6)

28Objectify and displease Nero at sea (13)

Down

2Odds, say, of allowance getting cut (5)

3Pollute methane, say, with a type of chemical weapon (6,3)

4Clumsy author goes north for employment in IT (5)

5Refuse to pose inside with tightness (7)

6Subdue the gentle auditor's hawk (4-5)

7Holds page sent out by model to get corn porridge (5)

8Confidant at the communion table voiced self-confidence (5,3)

15Match disliked by neutral spectators (3-5)

16Seaside walkway where Lee's panda misbehaved (9)

17Assembled Angola cot is eight-sided (9)

20Ian ignored doctors' branch of science (7)

22Former priest upset by ostracism (5)

23Complex contraption smuggled to former prisoner (2-3)

24Scouts run away as article gets misplaced with the cheap trinkets (5)