Most but not all modern sets are broken into blocks.
In each block parts are numbered differently. An example would be:
800 power supply
100 IF
200 audio
300 video
400 vert
500 hoz / HV
So if you see IC401 & its the vert IC all other 400 parts are vert as well.
If you want to just recap the vert all caps will be C4##.
Going on Q501 may be hoz drive, T501 hoz drive transformer, Q502
hoz output transistor. And all other stage related parts will be 500 numbers.
Its all part of the art of repairing a set without a manual.
So I mentioned FCC ID numbers. Usually on the back. They are assigned
to sets that pass FCC tests & can be sold in the US. If a set has one
you can look it up on fcc.gov. This will give the actual builder & its
model number for the set.
BTW use the long catalogue number to search for data.
good luck Zeno
LFOD !
BTW I think I hear an accent, where are you from ??