Sony CMA-10 Service Manual page 3

AFETY RELATED COMPONENT WARNING
Components identified by shading and A marked on the
schematic diagrams and parts list are critical to safe operation.
Replace these components with SONY parts whose part num-
bers appear as shown in this manual or in supplements pub-
lished by SONY.
LEAKAGE CURRENT MEASUREMENT
WARNING
(ONLY FOR USA MODEL)
Before returning the set to the customer, confirm the
leakage current is less than 0.1mA;
1, Between all exposed metal parts and any exposed metal
parts having a return to chassis, and
2. Between exposed metal and earth ground.