18
OTTOCANALI HGT | SERVICE MANUAL
15. Checking the Digi Board for Faults
This procedure involves checking the U61 and U27
regulators.
Be extremely cautious and make sure that the internal
capacitor’s bank is not charged.
Start by checking, with a multimeter set to Ohm, the
resistance between pin 1 and ground on the U61
regulator. As portrayed on (Fig. 18)
Proceed by checking between pin 7 and ground, as
portayed on (Fig. 19).
Fig. 18
Fig. 19
160 Ω
1 KΩ
Summary of Contents for Ottocanali HGT Series
Page 2: ...Intentionally left blank...
Page 23: ...Intentionally left blank...