File name XM-1502SX,1902GX.pdfXM-1502SX/1902GX
SERVICE MANUAL
Ver 1.3 2002. 07
US Model
XM-1502SX/1902GX
Canadian Model AEP Model UK Model E Model
XM-1502SX
Photo: XM-1902GX
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 150 watts per channel minimum continuous average power into 4 ohms, both channels driven from 20 Hz to 20 kHz with no more than 0.04% total harmonic distortion per Car Audio Ad Hoc Committee standards. Other Specifications
OTL (output transformerless) circuit Pulse power supply Inputs RCA pin jacks High level input connector Outputs Speaker terminals Through out pin jacks Speaker impedance 2 8 (stereo) (XM-1502SX) 1.3 8 (stereo) (XM-1902GX) 4 8 (when used as a bridging amplifier) Maximum outputs 300 W × 2 (at 4 ) 760 W (monaural) at 4 Rated outputs (supply voltage at 14.4 V) 150 W × 2 (20 Hz 20 kHz, 0.04% THD, at 4 ) 190 W × 2 (20 Hz 20 kHz, 0.1% THD, at 2 ) 190 W × 2 (20 Hz 20 kHz, 0.1% THD, at 1.3 ) (XM-1902GX) 380 W × 1 (20 Hz 20 kHz, 0.1% THD, at 4 ) (XM-1902GX) 380 W (monaural) (20 Hz 20 kHz, 0.1% THD, at 4 ) (XM-1502SX) Frequency response 5 Hz 100 kHz ( +0.5 dB) 3 Harmonic distortion 0.005% or less (at 1 kHz, 4 ) Input level adjustment range 0.2 6.0 V (RCA pin jacks) 0.4 12.0 V (High level input) Circuit system High-pass filter 50 300 Hz, 12 dB/oct Low-pass filter 50 300 Hz, 12 dB/oct Low boost 0 10 dB (40 Hz) Phase shift adjustment range (XM-1902GX) 0° 180° (at 40 Hz) Power supply voltage 10.5 16 V Current drain at rated output : 40 A (at 4 ) Remote input : 2 mA Dimensions Approx. 358 × 50 × 264 mm (14 1/8 × 2 1/4 × 10 1/2 in.) (w/h/d) not incl. projecting parts and controls Mass Approx. 3.5 kg (7 lb. 11 oz.) not incl. accessories Supplied accessories Mounting screws (4) Design and specifications are subject to change without notice.
STEREO POWER AMPLIFIER
9-870-239-14
2002G0400-1 © 2002. 07
Sony Corporation
e Vehicle Company Published by Sony Engineering Corporation
1
TABLE OF CONTENTS 1. GENERAL
Location and Function of Controls ... 3 Connections ... 3
2. DISASSEMBLY
2-1. 2-2. 2-3. 2-4. Plate, Bottom ... 6 Main Board ... 6 Front Panel ... 7 Led Board ... 7
3. ELECTRICAL ADJUSTMENT ... 8 4. DIAGRAMS
4-1. 4-2. 4-3. 4-4. Block Diagram ... 9 Printed Wiring Boards Main Section ... 11 Schematic Diagram Main Section (1/2) ... 12 Schematic Diagram Main Section (2/2) ... 13
5. EXPLODED VIEWS
5-1. Heat Sink Section . |