Will this TV take a 17in. picture tube (electri- cally speaking: i.e., CRM171 or CRM172)? It originally had a 14in. CRM141 but from the
service sheet it would appear that the T284-17in. version of the T283 using a CRM171-uses the
Presumably if the 17in. CRM171 fits, then the 21in. CRM211 will also fit.-J. Cross (London,. S.W.13).
You are correct in assuming that a CRM171 or CRM172 can be fitted without any electrical modification. A softer picture will result if you
fit a 21in. tube. For this reason we recommend
that you should not try any bigger tube than a 17in