Sony CDX-GT25MPW Service Manual page 2

CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
MW
CDX-GT30MP/GT300MP/GT303MP:
Tuning range:
CDX-GT30MP/GT300MP: E, Argentina, Mexican models/GT303MP:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
CDX-GT300MP: Saudi Arabia model:
531 – 1,602 kHz
MW Tuning step:
CDX-GT30MP/GT300MP: E, Argentina, Mexican models/GT303MP:
9 kHz/10kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
SW
CDX-GT30MP/GT300MP/GT303MP:
Tuning range:
SW1: 2,940 – 7,735 kHz
SW2: 9,500 – 18,135 kHz
(except for 10,140 – 11,575 kHz)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 30 μV
MW/LW
CDX-GT250MP: Russian model/GT257ME:
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity:
MW: 26 μV, LW: 45 μV
CD player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
Power amplifi er section
Output: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output:
CDX-GT25MPW/GT30MP/GT250MP: US,Canadian models/
GT300MP/GT303MP: 52 W × 4 (at 4 ohms)
CDX-GT250MP: Russian model/GT257ME: 45 W × 4 (at 4 ohms)
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
2
WITH SONY PARTS
General
Outputs:
Audio outputs terminal
(sub/rear switchable)
Power antenna (aerial) relay control terminal
Power amplifi er control terminal
Inputs:
Remote controler input terminal
Antenna (aerial) input terminal
AUX input jack (stereo mini jack)
Tone controls:
Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements: 12 V DC car battery
(negative ground (earth))
Dimensions: Approx. 178 × 50 × 179 mm
× 2 × 7
(7 1 / 1 / in.) (w/h/d)
8 8
Mounting dimensions:
Approx. 182 × 53 × 162 mm
× 2 × 6
(7 1 / 1 / 1 / in.) (w/h/d)
4 8 2
Mass: Approx. 1.2 kg (2 lb. 11 oz.)
Supplied accessories:
Card remote commander: RM-X151
Parts for installation and connections (1 set)
Design and specifi cations are subject to change
without notice.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.