Sony XM-N502 Service Manual

Sony XM-N502 Service Manual

Stereo power amplifier sony xm-n502
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SERVICE MANUAL

Ver. 1.0 2013.07
Circuit system
Inputs
Input level adjustment range
Outputs
Speaker impedance
Maximum output
Rated output
(supply voltage at 14.4 V, 20 Hz – 20 kHz, 1 % THD)
9-893-785-01
Sony Corporation
2013G33-1
©
2013.07
Published by Sony Techno Create Corporation
SPECIFICATIONS
OTL (output transformerless)
circuit
Pulse power supply
RCA pin jacks
High level input connector
(E and Indian models only)
0.3 – 6 V (RCA pin jacks)
2.8 – 12 V (High level input)
(E and Indian models only)
Speaker terminals
2 – 8 Ω (stereo)
4 – 8 Ω (when used as a bridging
amplifier)
150 W × 2 (at 4 Ω)
500 W (BTL, at 4 Ω)
65 W × 2 (at 4 Ω)
85 W × 2 (at 2 Ω)
175 W (BTL, at 4 Ω)
XM-N502
Frequency response
5 Hz – 50 kHz (
Harmonic distortion
0.05 % or less (at 1 kHz, 4 Ω)
Low-pass filter
80 Hz, 18 dB/oct
Power requirements
12 V DC car battery
(negative ground)
Power supply voltage
10.5 – 16 V
at rated output: 15 A
(4 Ω, 65 W × 2)
Remote input: 1 mA
Dimensions
Approx. 271 × 55 × 185 mm
(w/h/d) not incl. projecting parts
and controls
Mass
Approx. 1.5 kg not incl.
accessories
Supplied accessories
Mounting screws (4)
High level input cord (1)
(E and Indian models only)
Protection cap (1)
Design and specifications are subject to change
without notice.
NOTES ON CHIP COMPONENT REPLACEMENT
Never reuse a disconnected chip component.
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
STEREO POWER AMPLIFIER
Canadian Model
AEP Model
UK Model
E Model
dB)

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  Summary of Contents for Sony XM-N502

  • Page 1: Service Manual

    NOTES ON CHIP COMPONENT REPLACEMENT • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be dam- aged by heat. STEREO POWER AMPLIFIER 9-893-785-01 Sony Corporation 2013G33-1 © 2013.07 Published by Sony Techno Create Corporation...
  • Page 2: Section 1 Servicing Notes

    XM-N502 SECTION 1 SERVICING NOTES UNLEADED SOLDER NOTE FOR REPLACEMENT OF THE TRANSISTORS Boards requiring use of unleaded solder are printed with the lead- The transistors Q110, 111, 210 and 211 have two different ranks: free mark (LF) indicating the solder contains no lead.
  • Page 3: Section 2 General

    XM-N502 SECTION 2 This section is extracted GENERAL from instruction manual. High Level Input Connection (with Speaker Connection Subwoofer (with Input Connection Conexión de entrada de alto nivel (con conexión de altavoces ó Altavoz potenciador de graves (con conexión de entrada ó...
  • Page 4: Section 3 Disassembly

    XM-N502 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. BOTTOM PLATE BLOCK (Page 4) 3-3. MAIN BOARD BLOCK (Page 5) 3-4. MAIN BOARD (Page 5) Note: Follow the disassembly procedure in the numerical order given.
  • Page 5: Main Board Block

    XM-N502 3-3. MAIN BOARD BLOCK 2 screw (+B, TT, B-TYPE, 3 1 three screws (+P, TT, B-TYPE, 3 1 three screws (+P, TT, B-TYPE, 3 hole 1 three screws (+P, TT, B-TYPE, 3 3 MAIN board block Note 2: When installing the MAIN board block, align two holes and two bosses.
  • Page 6 XM-N502 MEMO...
  • Page 7 XM-N502 SECTION 4 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Waveforms (In addition to this, the necessary note is printed in each block.) – MAIN Board – For Printed Wiring Boards. For Schematic Diagrams.
  • Page 8 XM-N502 4-1. SCHEMATIC DIAGRAM - MAIN Board (1/2) - MAIN BOARD (1/2) (3/3) (3/3) IC301 IC303 PRE AMP R102 PRE AMP IC301 TP24 NJM4565M(TE2) IC303 Q101 (BTL) CNJ901 NJM4565M(TE2) RTAN140C-T112-1 R146 SWITCH INPUT TP25 R103 – C109 TP23 – R145...
  • Page 9 XM-N502 4-2. SCHEMATIC DIAGRAM - MAIN Board (2/2) - • See page 7 for Waveforms. • See page 7 for IC Block Diagram. MAIN BOARD (2/2) TP16 +12V TP17 F901 C913 C904 CN903 L901 80uH TP21 R118 R121 R138 D101 R122 1.5k...
  • Page 10 XM-N502 4-3. PRINTED WIRING BOARD - MAIN Board - • : Uses unleaded solder. MAIN BOARD C311 CAM001 Q108 D307 (CHASSIS) (CHASSIS) R505 R506 TH502 TH503 D501 Q109 CAM005 CAM003 R226 (CHASSIS) JW46 Q207 R228 R227 R230 CAM002 JC15 Q206...
  • Page 11: Exploded Views

    XM-N502 SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference • Abbreviation they may have some difference from the number in the exploded views are not sup- CND : Canadian model original one.
  • Page 12: Main Board Section

    XM-N502 5-2. MAIN BOARD SECTION • Bottom view D304 Q911 D303 not supplied Q910 Q210 F901 Q211 Q110 Q111 not supplied CN903 not supplied MAIN board (E, IND) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark...
  • Page 13: Electrical Parts List

    XM-N502 SECTION 6 MAIN ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • CAPACITORS When indicating parts by reference num- the parts list may be different from the uF: μF ber, please include the board name. parts specifi ed in the diagrams or the com- •...
  • Page 14 XM-N502 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > < TRANSISTOR > CNJ901 1-770-068-82 JACK, PIN 2P (INPUT) Q100 6-551-863-01 TRANSISTOR RTAN140C-T112-1 Q101 6-551-863-01 TRANSISTOR RTAN140C-T112-1 < DIODE > Q102 8-729-014-85 TRANSISTOR...
  • Page 15 XM-N502 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R227 1-218-831-11 METAL CHIP 0.5% 1/10W R102 1-218-879-11 METAL CHIP 0.5% 1/10W R228 1-216-837-11 METAL CHIP 1/10W R103 1-218-879-11 METAL CHIP 0.5% 1/10W...
  • Page 16 XM-N502 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R528 1-216-198-91 METAL CHIP 1/8W 4-464-858-41 MANUAL, INSTRUCTION (E, IND) (DUTCH, SWEDISH, PORTUGUESE) R901 1-216-222-00 METAL CHIP 1/8W (CND, AEP, UK) 4-464-858-51 MANUAL, INSTRUCTION R902 1-216-833-11...
  • Page 17 XM-N502 MEMO...
  • Page 18: Revision History

    XM-N502 REVISION HISTORY Checking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2013.07...