Aiwa HV-MX100 VHS VCR "blank screen drums" Questions

...or some time some blank screen with doted lines. Do any one got VCR head drum for my Sony VCR (SV Model) Thanks Venkatji Check the Video Output Flex .... Sumtimes if its broken it creates that ...

...blank screen. The tv i have does not have a tv/vcr button, it has a aux channel. When i turn the vcr on, it displays in the aux channel. The vcr is plugged directly into the tv not the cable. If you ...