Sony XM554ZR free download

File name Sony-XM554ZR caramp.pdf

XM-554ZR SERVICE MANUAL Ver. 1.2 2006. 08 US Model Canadian Model E Model SPECIFICATIONS OTL (output transformerless) circuit Pulse power supply Inputs RCA pin jacks High level input connector Input level adjustment range 0.3 ­ 6 V (RCA pin jacks), 2.8 ­ 12 V (High level input) Outputs Speaker terminals Speaker impedance 2 ­ 8 (stereo) 4 ­ 8 (when used as a bridging amplifier) Maximum output 4 speakers: 110 W Ч 4 (at 4 ) 3 speakers: 150 W Ч 2 (at 2 ) + 300 W Ч 1 (BTL, at 4 ) Rated output (supply voltage at 14.4 V) 4 speakers: 55 W Ч 4 (20 Hz ­ 20 kHz, 0.04% THD, at 4 ) 65 W Ч 4 (20 Hz ­ 20 kHz, 0.1% THD, at 2 ) Frequency response 5 Hz ­ 50 kHz ( +0 dB) ­3 Harmonic distortion 0.005% or less (at 1 kHz, 4 ) Low-pass filter 80 Hz, ­18 dB/oct High-pass filter 80 Hz, ­12 dB/oct Power requirements 12 V DC car battery (negative ground) Power supply voltage 10.5 ­ 16 V Current drain at rated output : 30 A (4 , 55 W Ч 4) Remote input : 1 mA Dimensions Approx. 401 Ч 55 Ч 264 mm (w/h/d) not incl. projecting parts and controls Mass Approx. 3.2 kg not incl. accessories Supplied accessories Mounting screws (4) High level input cord (1) Protection cap (1) Design and specifications are subject to change without notice. Circuit system STEREO POWER AMPLIFIER 9-887-093-03 2006H04-1 © 2006. 08 Sony Corporation eVehicle Division Published by Sony Techno Create Corporation 1 XM-554ZR Ver. 1.1 PROTECTOR OPERATION CHECK Thermal Protect 1. Short across TH901 with the power on. 2. Verify that the protector is operated and LED901 illuminates red. 3. Verify that the protector is released and LED901 illuminates green when the short is removed. 4. Likewise, perform items 1 to 3 for TH902 and TH903. Over Current Protect 1. Short between the positive and negative sides of the speaker output terminals CN903 and CN904 with the power on. (Perform this shorting for each channel on FRONT and REAR.) 2. Verify that the protector is operated and LED901 illuminates red. 3. Verify that the protector is not released and LED901 remains red even when the short is removed. 4. Verify that the protector is released and LED901 illuminates green when the power is turned off and then on again. Offset Protect 1. Short between the +12V terminal of CN905 and the (L+R) + or (L+R) ­ of the speaker output terminal CN904. (Short between +12V terminal and (L+R) + and between +12V terminal and (L+R) ­.) 2. Verify that the protector is operated and LED901 illuminates red. 3. Verify that the protector is not released and LED901 remains red even when the short is removed. 4. Verify that the protector is released and LED901 illuminates green when the power is turned off and then on again. TABLE OF CONTENTS 1. GENERAL Location and Function of Controls ... 3 Connections ... 4 2. DISASSEMBLY 2-1. Bottom Plate ... 7 2-2. AMP