Sony XM-1902GX Service Manual
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Sony XM-1902GX Service Manual

Sony XM-1902GX Service Manual

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XM-1502SX/1902GX
QQ
3 7 63 1515 0
SERVICE MANUAL
Ver 1.1 2001.06
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
150 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.
TE
L 13942296513
Other Specifications
Circuit system
OTL (output transformerless) circuit
Pulse power supply
Inputs
RCA pin jacks
High level input connector
Outputs
Speaker terminals
Through out pin jacks
2 – 8 Ω (stereo) (XM-1502SX)
Speaker impedance
1.3 – 8 Ω (stereo) (XM-1902GX)
4 – 8 Ω (when used as a bridging amplifier)
300 W × 2 (at 4 Ω)
Maximum outputs
760 W (monaural) at 4 Ω
Rated outputs (supply voltage at 14.4 V)
150 W × 2 (20 Hz – 20 kHz, 0.04% THD,
at 4 Ω)
190 W × 2 (20 Hz – 20 kHz, 0.1% THD,
at 2 Ω)
190 W × 2 (20 Hz – 20 kHz, 0.1% THD,
at 1.3 Ω) (XM-1902GX)
380 W × 1 (20 Hz – 20 kHz, 0.1% THD,
at 4 Ω) (XM-1902GX)
380 W (monaural) (20 Hz – 20 kHz, 0.1% THD,
at 4 Ω) (XM-1502SX)
Frequency response
5 Hz – 100 kHz (
0.005% or less (at 1 kHz, 4 Ω)
Harmonic distortion
Input level adjustment range
0.2 – 6.0 V (RCA pin jacks)
0.4 – 12.0 V (High level input)
www
.
Sony Corporation
9-870-239-12
2001F0400-1
e Vehicle Company
© 2001.6
Shinagawa Tec Service Manual Production Group
http://www.xiaoyu163.com
+0.5
dB)
–3
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Photo: XM-1902GX
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
High-pass filter
Low-pass filter
Low boost
Phase shift adjustment range (XM-1902GX)
Power supply voltage
Current drain
Dimensions
Mass
Supplied accessories
Design and specifications are subject to change without
notice.
STEREO POWER AMPLIFIER
co
.
9 4
2 8
US Model
XM-1502SX/1902GX
Canadian Model
AEP Model
UK Model
E Model
0 5
8
2 9
9 4
2 8
50 – 300 Hz, –12 dB/oct
50 – 300 Hz, –12 dB/oct
0 – 10 dB (40 Hz)
0° – 180° (at 40 Hz)
10.5 – 16 V
at rated output : 40 A (at 4 Ω)
Remote input : 2 mA
Approx. 358 × 50 × 264 mm
× 2
× 10
(14
in.)
1/8
1/4
1/2
(w/h/d) not incl. projecting parts and controls
Approx. 3.5 kg (7 lb. 11 oz.) not incl. accessories
Mounting screws (4)
m
9 9
XM-1502SX
9 9
1

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Summary of Contents for Sony XM-1902GX

  • Page 1 : 40 A (at 4 Ω) Speaker impedance Current drain 1.3 – 8 Ω (stereo) (XM-1902GX) Remote input : 2 mA 4 – 8 Ω (when used as a bridging amplifier) Approx. 358 × 50 × 264 mm Dimensions 300 W ×...

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL Location and Function of Controls .......... 3 Connections ................3 2. DISASSEMBLY 2-1. Plate, Bottom ............... 6 2-2. Main Board ................. 6 2-3. Front Panel ................7 2-4. Led Board ................7 3.

  • Page 3: General

    http://www.xiaoyu163.com SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 6: Disassembly

    http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : Follow the disassembly procedure in the numerical order given. 2-1. PLATE, BOTTOM 3 BTP 3x6 2 BTP 3x6 1 BTP 3x6 4 P 2.6x2.8 5 plate, bottom 7 sheet, insulating L 13942296513 2-2.

  • Page 7: Front Panel

    http://www.xiaoyu163.com 3 7 63 1515 0 2-3. FRONT PANEL 4 MAIN board 2 P 3x8 3 panel (2ch), front 1 P 3x8 L 13942296513 2-4. LED BOARD 1 BTP 3x6 2 LED board heat sink (main) u163 http://www.xiaoyu163.com...

  • Page 8: Electrical Adjustment

    http://www.xiaoyu163.com Ver 1.1 2001.06 SECTION 3 ELECTRICAL ADJUSTMENT 3 7 63 1515 0 Bias Adjustment Note : In Bias Adjustment, adjust RV105 if any of Q108 through Q113 are replaced. Adjust RV205 if any of Q208 through Q213 are replaced. Condition : This adjustment should be performed about one minute after the remote mode is turned on at a room tempera- ture of about 25°C.

  • Page 9: Diagrams

    IC104(1/2) SWITCH CN804 Q102 RV801-1 RV801-2 DIFFERENTIAL DRIVE POWER RV101-1 OUTPUT FILTER FILTER SPEAKER FILTER (THROUGH) Q103 Q105 Q108,110,112 XM-1902GX CNJ803 +14.2V (B+) RV105 BIAS OVER CURRENT HI LEVEL LEVEL INPUT SHIFT Q114-116 RV103-1 Q101 RV104-1 BIAS Q107 LEVEL BOOST -14.2V...
  • Page 10 0.1V Q904 IC101 Q905 ERROR IC102 Q906 IC103 Q907 IC104 Q908 IC201 Q909 IC202 Q910 IC204 Q911 IC301 Q912 IC901 B-10 • Waveform ) : XM-1902GX only 1V/DIV, 5µsec/DIV 3.4Vp-p 15µsec IC901 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 11: Printed Wiring Boards -Main Section

    http://www.xiaoyu163.com XM-1502SX/1902GX Ver 1.1 2001.06 3 7 6 3 1 5 1 5 0 4-2. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 10 for Semiconductor Location. 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 12: Schematic Diagram -Main Section (1/2)

    http://www.xiaoyu163.com XM-1502SX/1902GX Ver 1.1 2001.06 3 7 6 3 1 5 1 5 0 4-3. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 10 for IC Block Diagram. • Refer to page 10 for Waveform. 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 13: Schematic Diagram -Main Section (2/2)

    http://www.xiaoyu163.com XM-1502SX/1902GX Ver 1.1 2001.06 3 7 6 3 1 5 1 5 0 4-4. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 14: Exploded Views

    http://www.xiaoyu163.com SECTION 5 EXPLODED VIEWS 3 7 6 3 1 5 1 5 0 NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts • Accessories and packing materials and 5-2. MAIN BOARD SECTION number in the exploded views are not supplied. Example : hardware (# mark) list are given in •...

  • Page 15: Electrical Parts List

    http://www.xiaoyu163.com Ver 1.1 2001.06 SECTION 6 MAIN ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since When indicating parts by reference the parts list may be different from the they are seldom required for routine service.
  • Page 16 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C224 1-107-826-11 CERAMIC CHIP 0.1uF C937 1-128-126-11 ELECT 100uF C226 1-162-925-11 CERAMIC CHIP 68PF C938 1-128-576-11 ELECT 100uF C227 1-107-826-11 CERAMIC CHIP 0.1uF C939 1-128-576-11 ELECT...
  • Page 17 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D902 8-719-065-46 DIODE 02DZ16-Z(TPH3) JR118 1-216-295-11 SHORT D905 8-719-079-00 DIODE FCH10A15 JR119 1-216-295-11 SHORT D906 8-719-079-01 DIODE FRH10A15 JR120 1-216-295-11 SHORT D907 8-719-079-00 DIODE FCH10A15 JR121...
  • Page 18 http://www.xiaoyu163.com Ver 1.1 2001.06 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR221 1-216-296-00 SHORT < TRANSISTOR > JR222 1-216-296-00 SHORT JR223 1-216-296-00 SHORT Q101 8-729-230-49 TRANSISTOR 2SC2712-YG JR224 1-216-296-00 SHORT Q102 8-729-202-38 TRANSISTOR 2SC3326N-A JR225...
  • Page 19 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q910 8-729-207-82 TRANSISTOR 2SC3421-Y R147 1-220-894-11 METAL 0.22 Q911 8-729-207-89 TRANSISTOR 2SA1358-Y (1902GX) Q912 8-729-230-49 TRANSISTOR 2SC2712-YG R148 1-220-894-11 METAL 0.22 (1902GX) <...
  • Page 20 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R225 1-216-837-11 METAL CHIP 1/16W R304 1-216-833-11 METAL CHIP 1/16W R226 1-216-829-11 METAL CHIP 4.7K 1/16W R305 1-216-833-11 METAL CHIP 1/16W R227 1-216-833-11 METAL CHIP 1/16W...
  • Page 21 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R849 1-216-816-11 METAL CHIP 1/16W R934 1-216-821-11 METAL CHIP 1/16W (1902GX) R942 1-208-474-61 RES-CHIP 1/8W R850 1-216-833-11 METAL CHIP 1/16W R943 1-208-474-61 RES-CHIP 1/8W R851...
  • Page 22 http://www.xiaoyu163.com XM-1502SX/1902GX 3 7 63 1515 0 Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS ******************************** 3-228-684-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH) (1902GX) 3-228-685-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH) (1502SX) 3-228-685-21 MANUAL, INSTRUCTION (GERMAN,ITALIAN) (1502SX:AEP,UK,E) 3-228-685-31 MANUAL, INSTRUCTION (SPANISH, PORTUGUESE) (1502SX:AEP,UK,E) 3-228-685-41 MANUAL, INSTRUCTION (DUTCH,SWEDISH) (1502SX:AEP,UK,E) 3-228-685-51 MANUAL, INSTRUCTION (GREEK,RUSSIAN) (1502SX:AEP,UK,E)
  • Page 23 http://www.xiaoyu163.com XM-1502SX/1902GX 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com XM-1502SX/1902GX 3 7 63 1515 0 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.

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