Sony MDR-IF5K Service Manual page 12

4-6. FORMER TYPE TRANSMITTER SECTION (TMR-IF5) SCHEMATIC DIAGRAM
— INFRARED EMITTER —
Y). anos ©). ONs04
OUT
Former Type Serial No.
US Up to 47096
Canadian Up to A50400
and tantalums.
e@ Power voltage is 9V and fed with regulated dc power
supply from external power voltage jack.
@ Voltages are taken with a VOM (50 kQ/V).
Voltage variations may be noted
due to normal produc-
tion tolerances.