Sony XM-754HX Service Manual

Stereo power amplifier, us model / canadian model / aep model / uk model / e model

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SERVICE MANUAL
Ver 1.1 2001. 08
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 Ω (stereo)
2* – 8 Ω (when used as a bridging amplifier)
Maximum outputs (HI-CURRENT/HI-VOLTAGE)
Four speakers :
90/170 W x 4 (at 4 Ω)
Three speakers :
90 W x 2 + 250W x 1 / 170W x 2 + 400W x 1
(at 4 Ω)
Two speakers :
250/400 W x 2 (at 4 Ω)
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 Ω)
50/100 W x 4 (20 Hz – 20 kHz, 0.1% THD,
at 2 Ω)
Two speakers :
100/200 W x2 (20 Hz – 20 kHz, 0.1% THD,
at 4 Ω)
Frequency response
5 Hz – 50 kHz (
Sony Corporation
9-925-796-12
2001H0400-1
e Vehicle Company
© 2001. 8
Shinagawa Tec Service Manual Production Group
SPECIFICATIONS
+0.5
dB)
–3
XM-754HX
Harmonic distortion
0.005% or less (at lkHz, 4 Ω)
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
(4Ω HI-VOLTAGE mode)
Remote input : 1.5 mA
Dimensions
Approx. 258 x 50 x 320 mm (w/h/d)
(10
l
/
x 2 x 12
4
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
STEREO POWER AMPLIFIER
US Model
Canadian Model
AEP Model
UK Model
E Model
5
/
in.) not incl. projecting parts and
8
1

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Summary of Contents for Sony XM-754HX

  • Page 1 XM-754HX SERVICE MANUAL US Model Canadian Model Ver 1.1 2001. 08 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...
  • Page 2: Table Of Contents

    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 .........
  • Page 3: General

    SECTION 2 This section is extracted from GENERAL instruction manual. – 3 –...
  • Page 4 – 4 –...
  • Page 5: Disassembly

    SECTION 3 SECTION 4 DISASSEMBLY ELECTRICAL ADJUSTMENT Bias Adjustment Note : Follow the disassembly procedure in the numerical order given. Procedure : 3-1. BOTTOM PLATE, PANEL (FRONT), PANEL (REAR), SP (FRONT) BOARD, 1. Rotare semi-fixed resistors RV104, RV204, RV304 and RV404 SP (REAR) BOARD REMOVAL fully counterclockwise as viewed from the component side 1 Screws (+BTP 3X5)
  • Page 8: Schematic Diagram

    XM-754HX 5-3. SCHEMATIC DIAGRAM – 15 – – 16 –...
  • Page 9: Exploded View

    SECTION 6 SECTION 7 AMPLIFIER EXPLODED VIEW ELECTRICAL PARTS LIST NOTE : NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference • Due to standardization, replacements in the • SEMICONDUCTORS When indicating parts by reference num- may have some difference from the original number in the exploded views are not In each case, u : µ...
  • Page 10 AMPLIFIER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C430 1-163-239-11 CERAMIC CHIP 33PF CN819 1-537-479-11 TERMINAL C801 1-124-282-00 ELECT 22uF CNP802 1-784-917-11 CONNECTOR, BOARD TO BOARD 9P C802 1-163-141-00 CERAMIC CHIP 0.001uF * CNP803 1-564-704-11 PIN, CONNECTOR (SMALL TYPE) 2P C803 1-126-967-11 ELECT 47uF...
  • Page 11 Ver 1.1 AMPLIFIER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC901 8-759-144-88 IC UPC494GS < TRANSISTOR > IC902 8-719-156-72 PHOTO COUPLER PS2501-1KA Q101 8-729-422-29 TRANSISTOR 2SD601A-S < JUMPER RESISTOR > Q102 8-729-203-48 TRANSISTOR 2SC3327-A Q103 8-729-119-78 TRANSISTOR 2SC403SP-51 1-216-295-00 CONDUCTOR CHIP Q104...
  • Page 12 AMPLIFIER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q805 8-729-230-49 TRANSISTOR 2SC2712-YG R134 1-216-635-11 MET AL CHIP 0.5% 1/10W Q806 8-729-230-49 TRANSISTOR 2SC2712-YG R135 1-208-365-11 RES,CHIP 1/8W Q807 8-729-230-49 TRANSISTOR 2SC2712-YG R136 1-208-365-11 RES,CHIP 1/8W Q808 8-729-230-49 TRANSISTOR 2SC2712-YG R137...
  • Page 13 AMPLIFIER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R242 1-208-462-11 RES,CHIP 1/10W R350 1-208-550-11 RES,CHIP 470K 1/10W R243 1-240-179-11 MET AL PLATE 0.03X2 R352 1-208-441-11 RES,CHIP 1.5K 1/10W R244 1-208-810-11 RES,CHIP 1/10W R245 1-208-453-11 RES,CHIP 4.7K 1/10W R401...
  • Page 14 AMPLIFIER HIGH LEVEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R806 1-208-462-11 RES,CHIP 1/10W R918 1-208-437-11 RES,CHIP 1/10W R807 1-208-462-11 RES,CHIP 1/10W R919 1-208-405-11 RES,CHIP 1/8W R808 1-208-462-11 RES,CHIP 1/10W R920 1-216-150-00 RES,CHIP 1/8W R809 1-208-462-11 RES,CHIP 1/10W R921...
  • Page 15 XM-754HX HIGH LEVEL SP (FRONT) SP (REAR) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C420 1-164-222-11 CERAMIC CHIP 0.22uF FN801 1-763-107-11 MOT OR, F AN < CONNECTOR > Q109 8-729-038-52 TRANSISTOR IRF540(H) Q110 8-729-038-01 TRANSISTOR IRF9540(H)
  • Page 16 File this supplement with the service manual. Subject: Red Color Panal Addition (ECN-CS804006) The difference parts are described in this service manual supplement-1. Please refer to XM-754HX service manual previously issued for the other information. • DIFFERENCE PARTS LIST Page Former Ref. No.
  • Page 17 XM-754HX REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2001. 08 The CORRECTION-1 is included into Ver 1.1...

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