File name Sony-XM754HX caramp.pdfXM-754HX
SERVICE MANUAL
Ver 1.1 2001. 08
US Model Canadian Model AEP Model UK Model E Model
SPECIFICATIONS AUDIO POWER SPECIFICATIONS (US model) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 75 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 Circuit system OTL (output transformerless) circuit Pulse power supply Inputs RCA pin jacks High level input connector Outputs Speaker terminals Speaker impedance 1* 8 (stereo) 2* 8 (when used as a bridging amplifier) Maximum outputs (HI-CURRENT/HI-VOLTAGE) Four speakers : 90/170 W x 4 (at 4 ) Three speakers : 90 W x 2 + 250W x 1 / 170W x 2 + 400W x 1 (at 4 ) Two speakers : 250/400 W x 2 (at 4 ) Rated outputs (HI-CURRENT/HI-VOLTAGE) (supply voltage at 14.4 V) Four speakers : 35/75 W x 4 (20 Hz 20 kHz, 0.04% THD, at 4 ) 50/100 W x 4 (20 Hz 20 kHz, 0.1% THD, at 2 ) Two speakers : 100/200 W x2 (20 Hz 20 kHz, 0.1% THD, at 4 ) Frequency response 5 Hz 50 kHz ( +0.5 dB) 3
0.005% or less (at lkHz, 4 ) Input level adjustment range 0.2 4.0 V (RCA pin jacks) 0.4 8.0 V (High level input) High-pass filter 50 200 Hz, 12 dB/oct Low-pass filter 50 200 Hz, 12 dB/oct Low boost 0 10 dB (40 Hz) Power requirements 12 V DC car battery (negative ground) Power supply voltage 10.5 16 V Current drain at rated output : 40 A (4 HI-VOLTAGE mode) Remote input : 1.5 mA Dimensions Approx. 258 x 50 x 320 mm (w/h/d) (10 l/4 x 2 x 12 5/8 in.) not incl. projecting parts and controls Mass Approx. 3.5 kg (7 lb. 11 oz.) not incl. accessories Supplied accessories Mounting screws (4), Terminal cap (1) Design and specifications are subject to change without notice. * HI-CURRENT only
Harmonic distortion
STEREO POWER AMPLIFIER
9-925-796-12
2001H0400-1 © 2001. 8
Sony Corporation
e Vehicle Company Shinagawa Tec Service Manual Production Group
1
TABLE OF CONTENTS
Specifications ... 1
1. SERVICING NOTE ... 2 2. GENERAL ... 3 3. DISASSEMBLY
3-1. Bottom Plate, Panel (Front), Panel (Rear), SP (Front) Board, SP (Rear) Board Removal ... 5 3-2. Amplifier Board Removal ... 5
4. ELECTRICAL ADJUSTMENT ... 6 5. DIAGRAMS
5-1. Block Diagram ... 7 5-2. Printed Wiring Boards ... 10 5-3. Schematic Diagram ... 15
6. EXPLODED VIEW ... 17 7. ELECTRICAL PARTS LIST ... 18
SECTION 1 SERVICING NOTE
CANCELLING THE PROTECTOR DURING SERVICING
Cut JW132 on the amplifier bo |