Toshiba TV Model CX28600 Chassis TAC 9008

[Arnold stewart]

Can anyone give me the value of Zener Diode D866ZD connected between
pins 6 and 4 on voltage regulator STR-S5041T in parallel with C866, a
22mfd 25V cap?

 

[ArnoldStw]

Can anyone give me the value of Zener Diode D866ZD connected between
pins 6 and 4 on voltage regulator STR-S5041T in parallel with C866, a
22mfd 25V cap?

Apparently the number would be A4AZ30Y Toshiba # A7118115
Anybody know what this crosses over to? The voltage at pin 4 is 0V and -6V at pin 6.