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XM-SD22X
SERVICE MANUAL
US Model
Canadian Model
Ver. 1.0 2004.12
AEP Model
UK Model
E Model
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
200 watts per channel minimum continuous average power into
4 ohms, both channels driven from 20 Hz to 20 kHz with no more
than 0.1% total harmonic distortion per Car Audio Ad Hoc
Committee standards.
Other Specifications
Circuit system OTL (output transformerless) circuit
Input level adjustment range
Pulse po
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XM-SD22X Note for Replacement of FET TABLE OF CONTENTS Change the both channels of FETs at the output stage. If one or both parts in the following combination is broken, the 1. GENERAL service kit should be ordered. Location and Function of Controls .......................................... 3 Service kit part No. Connections ............................................................................. 4 Q108, 110, 112 X-3383-027-1 2. DISASSEMBLY Q208, 210, 212 2-1. Bottom Plate ..............
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XM-SD22X SECTION 1 GENERAL This section is extracted from instruction manual. Features Caractéristiques Low boost •Maximum power output of 400 W per channel • Puissance de sortie maximale de 400 W par canal Amplification de basses fréquences (at 4 Ω ). (à 4 Ω ). • This unit can be used as a bridging amplifier • Cet appareil peut être utilisé comme dB with a maximum output of 1,200 W. amplificateur en pont d’une sortie maximale de •Direct connection can be made with the speaker 1 200 W. 10 output
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REM +12V GND REM +12V GND XM-SD22X Connections Connexions 2-Speaker System Système à 2 haut-parleurs Caution Attention For details on the settings of switches and Car audio unit controls, refer to “Location and Function of • Before making any connections, disconnect • Avant d’effectuer les connexions, débranchez Autoradio Controls.” the ground terminal of the car battery to avoid la borne de masse de la batterie de voiture LINE OUT short circuits. pour éviter tout court-circuit.
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XM-SD22X Dual Mode System (With a Bridged Subwoofer) 2-way System Double mode de connexion (avec un haut-parleur Système 2 voies d’extrêmes graves en pont) Two output channels Deux canaux de sortie OFF LPF LINE OUT Car audio unit Car audio unit Autoradio Autoradio LINE OUT C1 C2 INPUT THROUGH OUT INPUT Left speaker Right speaker Haut-parleur gauche Haut-parleur droit L Subwoofer OFF LPF OFF LPF Haut-parleur d’extrêmes graves Full range speakers (min. 2 Ω ) Haut-parleurs à Subwoofers (min. 2 Ω )
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XM-SD22X High Level Input Connection (2-Speaker System) Connexion d’entrée à haut niveau (Système à 2 haut-parleurs) White Left speaker output Blanc Sortie haut-parleur gauche Black-striped cord Car audio unit Cordon rayé noir Autoradio Grey Right speaker output 2 Gris Sortie haut-parleur droit Black-striped cord Cordon rayé noir * Left speaker Right speaker (min. 2 Ω ) (min. 2 Ω ) Haut-parleur gauche Haut-parleur droit (min. 2 Ω ) (min. 2 Ω ) For details on the settings of switches and Pour plu
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XM-SD22X SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. SET 2-1. BOTTOM PLATE (Page 7) 2-2. MAIN BOARD SECTION (Page 8) 2-3. MAIN BOARD 2-4. LED BOARD (Page 8) (Page 9) Note : Follow the disassembly procedure in the numerical order given. 2-1. BOTTOM PLATE 2 two screws (+BTP 3 x 6) 1 two screws (+BTP 3 x 6) 4 bottom plate 5 insulating sheet 3 two screws (+BTP 3 x 6) 7
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XM-SD22X 2-2. MAIN BOARD SECTION 4 screw (+P 3 x 8) 3 three screws 2 three screws (+P 3 x 8) (+P 3 x 8) 1 four screws (+P 3 x 8) 5 MAIN board section heat sink (main) 6 CN810 2-3. MAIN BOARD 4 MAIN board 2 three screws (+P 3 x 8) 3 front panel 1 two screws (+P 3 x 8) 8
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XM-SD22X 2-4. LED BOARD 1 three screws (+P 3 x 8) 2 bracket (LED) 3 LED board heat sink (main) 9
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XM-SD22X SECTION 3 ELECTRICAL ADJUSTMENT Bias Adjustment Note : In Bias Adjustment, adjust RV103 if any of Q108 through Q113 are replaced. Adjust RV203 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. Setting : B+, REM terminal set Stabilized Power supply GND terminal Procedure : 1. Turn the variable resistors RV103 (L-CH) and RV203 (R-CH) full clockwise as seen fr
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XM-SD22X SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM S801-1 PRE AMP FILTER PRE AMP IC101 (1/2) CNJ801-1,-3 OFF IC102 (1/2) LOW BOOST L -1 LINE INPUT IC102 (2/2) (BTL) 6 LPF SWITCH 7 3 CN804 Q102 5 1 BTL DIFFERENTIAL DRIVE POWER 2 5 1 7 AMP AMP AMP 6 OUTPUT Q103 Q105 Q108,Q110,Q112 L 2 L -3 (THROUGH) L.P.F L.P.F IC301 IC302 (1/2) +16.7V RV103 CNJ803 (B+) BIAS 3 OVER CURRENT RV101-1 L 1 5 7 DET LEVEL 2 HIGH LEVEL RV301-1 RV301-2 BOOST Q114 INPUT BIAS FILTER FILTER EQUALIZER Q107 R RV102-1 Q101 INV. AMP
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XM-SD22X 4-2. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 15 for Waveform and IC Block Diagram. IC101(1/2) CNJ801 IC102(1/2) C101 C111 R101 C130 C109 R120 C231 R303 C131 R102 R104 C102 C112 S801 R154 R254 R304 R301 C221 C301 C107 R107 C110 C303 C104 RV301 RV301 C106 R105 C108 R106 RV101 R307 R308 R110 R111 CN803 R302 C304 IC302(1/2) IC301 R306 C105 R103 C103 R305 R108 R109 C302 C207 R206 C902 R205 R309 R310 C208 R207 IC101(2/2) C305 C201 IC202(1/2) R202 C230 C209 C211 CNJ801 R220 R
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XM-SD22X 4-3. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — R135 C124 R131 R801 C801 R147 R155 Q112 IC102(2/2) Q105 R145 R800 Q110 Q103 R150 R143 RV103 D801 Q108 D108 R802 R133 C127 R139 Q114 Q102 D106 C123 R160 D104 R149 CN804 C116 R141 Q104 R142 D107 R161 R152 R140 R123 D802 Q101 R134 RV102 C128 D109 R138 Q109 C118 C132 C126 C117 R129 R144 R151 Q111 R153 R124 Q113 R130 Q106 R146 R121 R122 R125 R126 R156 R148 R132 R136 C125 C901 R235 C224 R231 R247 R255 Q212 Q205 R245 Q210 Q203 R250 R243 IC202(2/2)
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XM-SD22X 4-4. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 15 for Semiconductor Location. 1 23456789 10 11 12 13 A TP23 D827 B L905 TP16 Q212 Q210 Q209 Q211 Q213 TH808 Q802 Q803 L906 Q207 Q208 JW352 JW226 JW156 TP18 TP29 L907 Q214 JW158 C802 JW202 JW204 JW210 JW212 JW214 JW174 JW157 L908 JW201 JW203 JW209 R261 JW211 JW213 C R250 R249 TP17 FMB1 R251 JW175 R253 JW208 JW215 JW217 JW218 L902 Q920 JW216 JW199 JW348 JW200 D909 D910 Q801 JW180 JW198 C224 R235 TP19 JW347 JW346 Q205 Q206 TP11
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XM-SD22X • Semiconductor Location (MAIN BOARD) THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS Ref. No. Location Ref. No. Location AND SCHEMATIC DIAGRAMS. D104 F-11 Q103 F-10 (In addition to this, the necessary note is D106 E-12 Q104 F-10 printed in each block.) D107 E-12 Q105 E-10 D108 E-12 Q106 E-10 for schematic diagram: D109 E-12 Q107 F-11 Note: D204 B-9 Q108 F-11 • All capacitors are in µF unless otherwise noted. (p: pF) D206 C-9 Q109 E-11 50 WV or less are not indicated except for electroly
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XM-SD22X SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by number in the exploded views are not supplied. Example : mark 0 or dotted line with mark • Items marked “*” are not stocked since KNOB, BALANCE (WHITE) ... (RED) 0 are critical for safety. they are seldom required for routine service. R R Replace only with part number Some delay should be anticipated Parts Color Cabinet’s Color specified. when orde
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XM-SD22X 5-2. MAIN BOARD SECTION not supplied Q209, 210, 213 Q108, 111, 112 53 not supplied 54 53 54 Q208, 211, 212 not supplied Q108, 111, 112 not supplied A 60 57 56 55 57 60 59 58 57 #4 52 A 51 #4 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 3-262-163-01 PANEL (FRONT) Q110 X-3383-027-1 FET PAIR ASSY (N) (IRF540) (set of 3) 52 A-1083-419-A MAIN BOARD, COMPLETE Q111 X-3383-028-1 FET PAIR ASSY (P) (IRF9540) (set of 3) 53 3-238-413-01 SHEET (TR), INSULATING Q112 X-
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XM-SD22X SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by the parts list may be different from the they are seldom required for routine service. mark 0 or dotted line with mark parts specified in the diagrams or the Some delay should be anticipated 0 are critical for safety. components used on the set. when ordering these items. Replace only with part number • RESISTORS • SEMICONDUCTORS spec
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XM-SD22X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C914 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V D803 8-719-080-34 DIODE SDS511 C915 1-137-194-81 FILM 0.47uF 5% 50V D820 8-719-080-34 DIODE SDS511 C916 1-137-372-11 MYLAR 0.022uF 5% 50V D822 8-719-080-34 DIODE SDS511 C917 1-128-951-21 ELECT 2200uF 20% 16V D827 8-719-080-34 DIODE SDS511 C918 1-128-951-21 ELECT 2200uF 20% 16V D832 8-719-080-34 DIODE SDS511 C919 1-128-951-21 ELECT 2200uF 20% 16V D901 8-
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XM-SD22X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L906 1-410-396-71 FERRITE 0.45uH Q914 6-550-693-01 TRANSISTOR KTC4373 L907 1-410-396-71 FERRITE 0.45uH Q915 6-550-690-01 TRANSISTOR KTA1661 L908 1-410-396-71 FERRITE 0.45uH Q920 6-550-693-01 TRANSISTOR KTC4373 < THERMISTOR (POSITIVE) > < RESISTOR > PTH801 1-805-163-21 THERMISTOR, POSITIVE R101 1-216-837-11 METAL CHIP 22K 5% 1/10W R102 1-216-837-11 METAL CHIP 22K 5% 1/10W < TRANSISTOR > R103 1-216-837-11
