See if the rest of the schematic matches your 220-V set. If so, then probably the only difference is the power transformer winding ratios.
Doug
::::The service information for a 620 is listed on this sight. You might also have a look at the Philco Repair Bench sight for some help too.Warren Have looked at this site can only find Model 620 115volt and has different tubes to the 620E that I have Mine has a code 301 and tube lineup is 6A7..42..75..78(2) 80 Philco repair Bench appears to only cater for USA users not Australians
:Your tube line-up seems to match the 620 schematic shown on this site: http://www.nostalgiaair.org/PagesByModel/804/M0013804.pdf
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:See if the rest of the schematic matches your 220-V set. If so, then probably the only difference is the power transformer winding ratios.
:Doug
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:
:::::The service information for a 620 is listed on this sight. You might also have a look at the Philco Repair Bench sight for some help too.Warren Have looked at this site can only find Model 620 115volt and has different tubes to the 620E that I have Mine has a code 301 and tube lineup is 6A7..42..75..78(2) 80 Philco repair Bench appears to only cater for USA users not Australians