Sony XM1252GTR free download

File name Sony-XM1252GTR caramp.pdf

XM-1252GTR SERVICE MANUAL Ver. 1.0 2005. 12 US Model Canadian Model E Model SPECIFICATIONS AUDIO POWER SPECIFICATIONS (US MODEL) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 125 watts per channel minimum continuous average power into 4 ohms, both channels driven from 20 Hz to 20 kHz with no more than 0.1% total harmonic distortion per Car Audio Ad Hoc Committee standards. Other Specifications Circuit system OTL (output transformerless) circuit Pulse power supply Inputs RCA pin jacks High level input connector Outputs Speaker terminals Suitable speaker impedance 2 ­ 8 (stereo) 4 ­ 8 (when used as a bridging amplifier) Maximum outputs 280 W Ч 2 (at 4 ) 400 W Ч 2 (at 2 ) 800 W (monaural) at 4 Rated outputs (supply voltage at 14.4 V) 125 W Ч 2 (20 Hz ­ 20 kHz, 0.1% THD, at 4 ) 170 W Ч 2 (20 Hz ­ 20 kHz, 0.15% THD, at 2 ) 340 W (monaural) (20 Hz ­ 20 kHz, 0.15% THD, at 4 ) Frequency response 5 Hz ­ 50 kHz ( +0 dB) ­3 Input level adjustment range 0.3 ­ 6.0 V (RCA pin jacks) 1.2 ­ 12.0 V (High level input) Low-pass filter High-pass filter Low boost Power requirements Power supply voltage Current drain Dimensions 80 Hz, ­12 dB/oct 80 Hz, ­12 dB/oct 0 ­ 10 dB (40 Hz) 12 V DC car battery (negative ground) 10.5 ­ 16 V at rated output : 32 A (at 4 ) Remote input : 1 mA Approx. 322 Ч 55 Ч 275 mm (12 3/4 Ч 2 1/4 Ч 10 7/8 in.) (w/h/d) not incl. projecting parts and controls Approx. 4.4 kg (9 lb. 12 oz.) not incl. accessories Mounting screws (4) High level input cord (1) Mass Supplied accessories Design and specifications are subject to change without notice. STEREO POWER AMPLIFIER 9-879-998-01 2005L04-1 © 2005. 12 Sony Corporation eVehicle Division Published by Sony Engineering Corporation 1 XM-1252GTR Note for Replacement of FET Change the both channels of FETs at the output stage. If one or both parts in the following combination is broken, the service kit should be ordered. Service kit part No. Q108, 110 X-3381-586-1 Q208, 210 Q109, 111 X-3381-587-1 Q209, 211 Confirming the Operation Please confirm the car audio unit works even if REM OUT is not connected when you connect this set with the car audio unit by the HIGH LEVEL input. TABLE OF CONTENTS 1. GENERAL Location and Function of Controls ... 3 Connections ... 4 2. DISASSEMBLY 2-1. 2-2. 2-3. 2-4. 2-5. Cover Assy ... 7 Top Plate Section ... 8 AMP Board Section ... 8 Front Panel ... 9 LED ILLUM Board, LED PROT Board ... 9 3. ELECTRICAL ADJUSTMENT ... 10 4. DIAGRAMS 4-1. Printed Wiring Boards ... 12 4-2. Schematic Diagra