Sony MDR-IF420RK Service Manual

MDR-IF420RK/IFOZ0RK
SERVICE MANUAL de
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Tourist Model
MDR-IF520R
Photo: MDR-IF520RK
MDR-IF420RK/IF520RK is composed of the following models.
MDR-IF420RK | MDR-IF520RK
Cordless Headphones | MDR-IF420R
Transmitter TMR-IF420R
SPECIFICATIONS
General Audio input Phono jacks/stereo mini jack
Modulation system
Dimensions
Approx. 121 x 260 x 135 mm
Frequency modulation (47/,x 10 1/4 x 53/, in) (w/h/d)
Carrier frequency Mass Approx. 190 g (6.7 0z)
Right 2.8 MHz
Left 2.3 MHz Headphones
Frequency response Power source Supplied Ni-Cd rechargeable
12 - 24,000 Hz (MDR-IF420RK) a Fd hetes
10 ~ 24,000 Hz (MDR-IF520RK) y
Transmitter Mass Approx. 320 g (11.3 oz)
(MDR-IF420RK)
Approx. 390 g (13.8 oz)
(MDR-IF520RK)
including the supplied Ni-Cd
Power source DCIN 9V jack accepts power
supplied from the AC power
- adaptor for use on the following
voltages: battery
Where purchased Operating
voltage Supplied Ni-Cd rechargeable battery
U.S.A./Canada 120 V AC, 60 Hz Modetame. NC Ae)
Sa
et id Aas ie Re
Type
Ni-Cd
U.K. 240 V AC, 50 Hz Voltage 12V
European countries 220 - 230V AC, 50 Hz Capacity 600 mAh
Japan (exept for Japanese 110V/120V/220V/240V
domestic model) Ae 0/002 Design and specifications are subject to change
CORDLESS STEREO HEADPHONES SYSTEM
SONY.