SERVICE MANUAL
Ver. 1.0 2005.12
CD player
System
Compact disc digital audio system
Laser diode properties
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance
of 200 mm from the objective lens surface on the
optical pick-up block with 7 mm aperture.)
D-A conversion
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz
dB (measured by JEITA)
−2
Output
Headphones (stereo minijack)
Approx. 15 mW + Approx. 15 mW at 16 Ω
Radio
Frequency range
• NF430: UK*
FM: 87.5 - 108.0 MHz
AM: 531 - 1 602 kHz
• NF431*
9 kHz step:
FM: 87.5 - 108.0 MHz
AM: 531 - 1 602 kHz
10 kHz step:
FM: 87.5 - 108.0 MHz
AM: 530 - 1 710 kHz
Sony Corporation
9-879-983-01
Personal Audio Division
2005L05-1
Published by Sony Engineering Corporation
© 2005.12
D-NF430/NF431
Photo: D-NF430
SPECIFICATIONS
• NF430: US*
9 kHz step:
TV: 2 - 13 ch
WB (weather band): 1 - 7 ch
FM: 87.5 - 108.0 MHz
AM: 531 - 1 710 kHz
10 kHz step:
TV: 2 - 13 ch
WB (weather band): 1 - 7 ch
FM: 87.5 - 108.0 MHz
AM: 530 - 1 710 kHz
* For the area code of the model you purchased,
check the upper left side of the bar code on the
package.
Antenna
FM: Earphones cord antenna
AM: Built-in ferrite bar antenna
General
Power requirements
• LR6 (size AA) battery: 1.5 V DC × 1
• AC power adaptor (DC IN 3 V jack):
230 V, 50 Hz (NF430: UK)
230 V, 50/60 Hz (NF431)
Operating temperature
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding projecting parts
and controls)
Approx. 137.8 × 31.1 × 137.8 mm
1
× 1
1
× 5
1
(5
⁄
⁄
⁄
in.)
2
4
2
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
Mass (excluding accessories)
Approx. 205 g (7.3 oz.)
Supplied Accessories
AC power adaptor (NF430: UK/NF431)
Earphones
Remote (NF430: US/NF431)
Operating instractions
US and foreign patents licensed from Dolby
Laboratories.
MPEG Layer-3 audio coding technology and patents
licensed from Fraunhofer IIS and Thomson.
Design and specifications are subject to change
without notice.
PORTABLE CD PLAYER
US Model
UK Model
D-NF430
E Model
D-NF431
D-NF420/NF421
CDM-3325ERV2
DAX-25EV
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