TDA 7297 sound output

(1) output 7.5v
(2) outpur 7.5 v
(3) 15 v
(4) input 1.3 v
(5) 0v
(6) 4.9 v
(7) 4.9 v
(8) ground 0 v
(9) 0 v
(10) n/c
(11) 0 v
(12) input 1.3 v
(13) 15 v
(14) output 7.5 v
(15) output 7.6 v

In this ic pin no 6 is important if video is ok ,check for voltage