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6

XM-SD46X

SECTION 2

DISASSEMBLY

Note : This set can be disassemble according to the following sequence.

Note : Follow the disassembly procedure in the numerical order given.

2-1. BOTTOM PLATE

4

 bottom plate

5

 insulating sheet

1

two

 screws

     (+

BTP

 3

 x 6)

3

two

 screws

     (+

BTP

 3

 x 6)

2

two

 screws

     (+

BTP

 3

 x 6)

2-1.

BOTTOM PLATE
(Page 6)

2-2.

MAIN BOARD SECTION 
(Page 7)

2-4.

LED BOARD
(Page 8)

SET

2-3.

MAIN BOARD,
INPUT LEVEL BOARD
(Page 7)

Summary of Contents for XM-SD46X - Stereo Power Amplifier

Page 1: ...THD N at 4 Ω 75 W RMS 4 20 Hz 20 kHz 0 1 THD N at 2 Ω Three speakers 60 W RMS 2 150 W RMS 1 20 Hz 20 kHz 0 1 THD N at 4 Ω SN Ratio 97 dBA Reference 1W into 4 Ω Frequency response 5 Hz 50 kHz dB Harmonic distortion 0 005 or less at 1 kHz SPECIFICATIONS Input level adjustment range 0 3 6 0 V RCA pin jacks 1 2 12 V High level input High pass filter 50 300 Hz 12 dB oct Low pass filter 50 300 Hz 12 dB ...

Page 2: ... MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip ...

Page 3: ...3 XM SD46X SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 4: ...4 XM SD46X ...

Page 5: ...5 XM SD46X ...

Page 6: ...ote Follow the disassembly procedure in the numerical order given 2 1 BOTTOM PLATE 4 bottom plate 5 insulating sheet 1 two screws BTP 3 x 6 3 two screws BTP 3 x 6 2 two screws BTP 3 x 6 2 1 BOTTOM PLATE Page 6 2 2 MAIN BOARD SECTION Page 7 2 4 LED BOARD Page 8 SET 2 3 MAIN BOARD INPUT LEVEL BOARD Page 7 ...

Page 7: ...nk main 6 CN850 5 MAIN board section 1 three screws P 3 x 8 2 three screws P 3 x 8 3 screw P 3 x 8 4 three screws P 3 x 8 7 front panel 5 INPUT LEVEL board 4 CNP101 8 MAIN board two claws 6 bracket HI LEVEL A A 1 two screws P 3 x 8 2 three screws P 3 x 8 3 two screws P 3 x 8 ...

Page 8: ...8 XM SD46X 2 4 LED BOARD 3 LED board 2 bracket LED heat sink main 1 three screws P 3 x 8 ...

Page 9: ...le checking for any abnormal current 4 Adjust RV104 FRONT L CH RV204 FRONT R CH RV304 REAR L CH and RV404 REAR R CH so that the digital voltmeter connected between the respective test points reads 6 1 mV 5 After this adjustment verify that the current value of the stabilized power supply is 1 4 to 1 8 A Adjustment Location SECTION 3 ELECTRICAL ADJUSTMENT _ stabilized power supply digital voltmeter...

Page 10: ...h mark 0 are criti cal for safety Replace only with part number specified Note Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 OSC REF REG ERROR ERROR 0 1V Ref No Location D101 D 10 D141 E 12 D201 G 10 D241 F 12 D301 D 10 D341 C 10 D401 D 8 D441 C 9 D801 E 8 D802 E 8 D805...

Page 11: ...212 CN811 L L R R REAR SPEAKER OUT 6 5 CNJ100 3 CNJ100 4 CNJ802 2 2 L L R R L R REM PL802 PILOT LAMP 14 2V REG Q910 14 2V REG Q911 B 23 5V B 23 5V B 37V B 30 5V 30 5V 37V 14 2V B B B B 14 2V PROTECTION Q812 814 PROTECT DRIVER Q850 OFFSET DET Q803 805 POWER ON OFF Q903 DC DET IC902 D903 D906 D905 D904 D917 D912 D911 D918 D905 906 RECT D911 912 RECT D903 904 RECT D917 918 RECT D907 908 RECT D907 D90...

Page 12: ...V804 S802 RV805 S801 C919 RV304 RV104 RV204 RV404 C959 C918 C920 C958 C921 L901 C917 C916 C930 C931 C950 C951 C952 C953 PL802 CN850 CN810 CN811 CN800 L904 Q209 Q210 Q110 Q409 Q410 Q310 Q309 Q211 Q111 Q109 Q901 Q911 Q905 Q907 Q904 Q906 Q910 Q311 Q411 D908 D917 D918 D907 D904 D903 IC902 R258 R458 R158 R358 JW14 JW15 JW16 JW19 JW20 JW23 JW24 JW25 JW26 JW27 JW28 JW29 JW30 JW31 JW32 JW33 JW34 JW35 JW36...

Page 13: ...C134 R129 R131 R229 R231 R232 R230 R228 R331 R329 R330 R332 R429 R431 R432 R430 R428 Q103 Q104 Q203 Q204 Q303 Q304 Q403 Q404 R132 R130 R128 R133 C133 R138 R136 Q110 Q109 R238 R236 Q210 Q209 R338 R336 R438 R436 R437 R435 Q410 Q409 R334 C334 Q310 Q309 R145 R144 R215 R214 R114 R115 R113 R315 R314 R316 R415 R414 R416 R102 R101 R103 R104 R305 C303 R301 R302 R303 R304 R205 C203 R201 R202 R203 R204 C103 ...

Page 14: ...Q803 L912 L906 L905 L904 L903 L911 D824 D825 D826 D827 D805 Q908 Q909 D828 D829 D802 D801 IC902 D913 D914 C804 R841 R843 R845 R847 R838 IC901 C911 PL802 C925 C924 C928 C929 C971 C972 C958 C951 C950 C959 C953 C952 C821 Q814 Q812 Q901 Q810 Q912 Q913 Q910 Q911 T801 C982 C980 C981 C983 R870 Q850 Q804 Q801 Q902 Q813 R821 R813 R861 R857 R851 R853 R852 JR800 D853 D852 D851 D850 CN852 R860 D854 4 4 SCHEMA...

Page 15: ...C D E F G 2 3 4 5 6 7 D853 R860 R853 R857 D854 PROTECTOR D850 853 POWER D852 R851 R852 R861 D850 1 865 446 1 865 488 JR800 3 1 CN852 D851 C418 C218 C320 C118 C117 C318 C317 C120 C217 C219 C220 C419 C319 C420 C417 C119 CNJ101 CNJ802 JW3 JW4 JW6 JW9 R125 R225 R325 R425 JW313 JW314 INPUT LEVEL BOARD BOARD LED ...

Page 16: ...s are not supplied Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Accessories are given in the last of this parts list R R 1 X 2025 302 1 PLATE ASSY ORNAMENTAL 0F901 1 576 256 11 FUSE BLADE TYPE AUTO FUSE 25A 0F9...

Page 17: ...EL 54 3 238 413 01 SHEET TR INSULATING 55 3 225 183 22 SCREW PSW TT 3XL 56 3 225 183 32 SCREW PSW TT 3XL 57 3 225 184 12 SCREW PS TT 3XL 58 3 253 537 01 SCREW M5X11 59 3 912 431 01 SCREW P 60 A 1090 736 A INPUT LEVEL BOARD COMPLETE 4 7 685 646 79 SCREW P 3X8 TYPE2 NON SLIT 51 52 53 57 57 58 59 59 59 57 56 54 60 54 55 55 A B A B 4 not supplied not supplied not supplied not supplied not supplied 4 4...

Page 18: ...CHIP 0 22uF 10 16V C320 1 164 489 11 CERAMIC CHIP 0 22uF 10 16V C417 1 162 927 11 CERAMIC CHIP 100PF 5 50V C418 1 162 927 11 CERAMIC CHIP 100PF 5 50V C419 1 164 489 11 CERAMIC CHIP 0 22uF 10 16V C420 1 164 489 11 CERAMIC CHIP 0 22uF 10 16V CONNECTOR CNJ101 1 784 916 11 CONNECTOR BOARD TO BOARD 9P CNJ802 1 580 283 11 PIN CONNECTOR PC BOARD 8P HIGH LEVEL INPUT RESISTOR R125 1 249 421 11 CARBON 2 2K ...

Page 19: ...1 126 794 11 ELECT 4 7uF 20 50V C403 1 162 919 11 CERAMIC CHIP 22PF 5 50V C404 1 162 919 11 CERAMIC CHIP 22PF 5 50V C405 1 163 251 11 CERAMIC CHIP 100PF 5 50V C406 1 136 167 00 FILM 0 15uF 5 50V C407 1 136 167 00 FILM 0 15uF 5 50V C408 1 126 795 11 ELECT 10uF 20 50V C409 1 126 795 11 ELECT 10uF 20 50V C410 1 126 795 11 ELECT 10uF 20 50V C411 1 162 923 11 CERAMIC CHIP 47PF 5 50V C412 1 126 794 11 E...

Page 20: ...19 079 92 DIODE 1SR159 200TE25 D912 8 719 079 92 DIODE 1SR159 200TE25 D913 8 719 065 43 DIODE 02DZ15 Z TPH3 D914 8 719 065 43 DIODE 02DZ15 Z TPH3 D917 8 719 987 67 DIODE 11EFS2 D918 8 719 987 67 DIODE 11EFS2 FUSE 0F901 1 576 256 11 FUSE BLADE TYPE AUTO FUSE 25A 0F902 1 576 256 11 FUSE BLADE TYPE AUTO FUSE 25A IC IC801 8 759 385 17 IC NJM4580E TE2 IC802 8 759 385 17 IC NJM4580E TE2 IC806 8 759 385 ...

Page 21: ...375 Q912 8 729 051 72 TRANSISTOR 2SC2881 Y TE12L C Q913 8 729 051 72 TRANSISTOR 2SC2881 Y TE12L C RESISTOR R101 1 216 837 11 METAL CHIP 22K 5 1 10W R102 1 216 837 11 METAL CHIP 22K 5 1 10W R103 1 216 845 11 METAL CHIP 100K 5 1 10W R104 1 216 845 11 METAL CHIP 100K 5 1 10W R105 1 216 837 11 METAL CHIP 22K 5 1 10W R106 1 216 837 11 METAL CHIP 22K 5 1 10W R111 1 216 827 11 METAL CHIP 3 3K 5 1 10W R11...

Page 22: ...TAL CHIP 100K 5 1 10W R338 1 216 845 11 METAL CHIP 100K 5 1 10W R339 1 249 417 11 CARBON 1K 5 1 4W R340 1 249 421 11 CARBON 2 2K 5 1 4W R342 1 216 033 00 RES CHIP 220 5 1 10W R344 1 216 827 11 METAL CHIP 3 3K 5 1 10W R345 1 216 830 11 METAL CHIP 5 6K 5 1 10W R350 1 216 853 11 METAL CHIP 470K 5 1 10W R351 1 215 857 31 METAL OXIDE 10 5 1W F R358 1 205 991 11 METAL 0 1X2 5W R401 1 216 837 11 METAL CH...

Page 23: ... R921 1 216 150 11 RES CHIP 10 5 1 8W R922 1 216 150 11 RES CHIP 10 5 1 8W R923 1 216 065 11 RES CHIP 4 7K 5 1 10W R924 1 216 065 11 RES CHIP 4 7K 5 1 10W R925 1 216 206 00 RES CHIP 2 2K 5 1 8W R927 1 216 206 00 RES CHIP 2 2K 5 1 8W R929 1 216 013 00 RES CHIP 33 5 1 10W R930 1 216 013 00 RES CHIP 33 5 1 10W R931 1 216 821 11 METAL CHIP 1K 5 1 10W R932 1 216 821 11 METAL CHIP 1K 5 1 10W R933 1 216 ...

Page 24: ...N 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 1 0 2004 12 New ...

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