The following lines were added (+) and removed (-):
Based on the serial number you can tell the year of manufacture. It is the first digit of the SN that is the year of manufacture. If the SN is 6xxxxx then it was made in 1986. I have a unit with the serial number 7100019 which makes it a 1987 production year which is still part of the first production run as its S-meter slams to the right when powered off.Based on the serial number you can tell the year of manufacture. It is the first digit of the SN that is the year of manufacture. If the SN is 6xxxxx then it was made in 1986. I have a unit with the serial number 7100019 which makes it a 1987 production year which is still part of the first production run as its S-meter slams to the right when powered off. It also seems to exhibit many of the known issues that are well known for this model.