Philips EM5E AA Service Manual page 6

EN 6 2.
• The semiconductors indicated in the circuit diagram and in
the parts lists, are interchangeable per position with the
semiconductors in the unit, irrespective of the type
indication on these semiconductors.
• Manufactured under license from Dolby Laboratories.
'Dolby', 'Pro Logic' and the 'double-D symbol', are
trademarks of Dolby Laboratories.
Figure 2-2 Dolby PL Symbol
EM5E Safety and Maintenance Instructions, Warnings, and Notes