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Kenwood RXD-M52-L Service Manual

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MICRO HiFi COMPONENT SYSTEM
RXD-M52-L
SERVICE MANUAL
(HM-532-L)
Althrough this service manual is described MD circuit
description, it is no concern with RXD-M52(deck version).
Knob
(K29-7772-14)
Indicator
(B12-0398-04)
Front glass
(B10-3606-03)
Dressing panel *
(A21-)
In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
Knob
(K29-7769-03)
* Refer to parts list on page 27.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
© 2000-6/B51-5639-00 (K/K) 3453
Knob
(K29-7773-04)
Escutcheon
(B07-2525-12)
Panel
(A29-1104-04)
Knob
(K29-7770-13)
70%

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  Summary of Contents for Kenwood RXD-M52-L

  • Page 1 Dressing panel * (A21-) * Refer to parts list on page 27. KENWOOD-Crop. certifies this equipment conforms to DHHS In compliance with Federal Regulations, following are repro- Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. duction of labels on, or inside the product relating to laser product safety.
  • Page 2: Table Of Contents

    (Accessory only for regions where use is necessary) System configuration SYSTEM MAIN UNIT DESTINATION SPEAKER COLOR HM-532-L RXD-M52-L KETMXH LS-M52-L BLUE Cautions Operation to reset The microcomputer may fall into malfunction (impossibility Unplug the power cord from the power outlet then, while to operate, erroneous display, etc.) when the power cord is...
  • Page 3: External View

    RXD-M52 EXTERNAL VIEW Lock terminal board Pin jack Pin jack Oscillating module (E70-0053-05) (E63-0164-05) (E63-1082-05) (W02-2732-05) AC power cord * AC power cord bushing Lock terminal board (E30-) (J42-0083-05) (E70-0127-05) * Refer to parts list on page 27.
  • Page 4: Circuit Description

    RXD-M52 CIRCUIT DESCRIPTION 1. Initializing the CD/CASSETTE Receiver 1-1 Initialization Method The CD/CASSETTE receiver will be initialized when you pressed [SOUND] key and turn the AC on. 1-2 Contents of Initialization CD disc will be ejected from CD mechanism after initialized. 2.
  • Page 5 RXD-M52 CIRCUIT DESCRIPTION 3-2 Pin Description of Microprocessor Pin No. Pin Name Description 8SW2 Detection port of 8cm disc for CD mechanism. SCLK Clock output to DSP IC(X29,IC9). SENS Sense input port from DSP IC(X29,IC9). FAN/DA Control port of fan motor. DATA Data output to DSP IC(X29,IC9).
  • Page 6 RXD-M52 CIRCUIT DESCRIPTION Pin No. Pin Name Description AMUTE Audio muting control. SPRLY Speaker relay control. PWRRLY Power relay control. Disconnected. HPRLY Relay control terminal for headphones. HPDET Detection terminal of headphones. EVR CLK Clock output to sound controller(X29,IC6). EVR DATA Data output to sound controller(X29,IC6).
  • Page 7: Adjustment

    RXD-M52 ADJUSTMENT CD section INPUT CD PLAYER OUTPUT ITEM ALIGNMENT ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS TEST MODE : While pressing the CD PLAY/PAUSE key, plug the power cord into the AC power wall output. Load the TEST DISC. Connect the DC voltmeter Press the PLAY/PAUSE LASER CURRENT Test disc...
  • Page 8: Parts Descriptions

    RXD-M52 PARTS DESCRIPTIONS...
  • Page 9: Pc Board

    PC BOARD (Component side view) X07 D/5 X07 C/5 X07-3220-10 A/5 (J70-1422-11) Q103 W301 W202 R220 C216 R224 C218 R221 R115 C205 R122 C105 X07 B/5 R201 R257 W201 R206 R249 C254 C253 C209 +5.1V AVR. C219 C256 R253 C210 R204 R252 C255...
  • Page 10 PC BOARD(Component side view) X28-3050-10 (J70-1407-01) BIAS R301 R302 PB LEVEL DOLBY IC X29-2700-00 (J70-1405-11) C171 C172 R221 TUNER R223 R222 C186 C143 R207 C139 R138 R102 R139 IC12 C132 C131 C134 C133 C130 C138 C129 C135 R204 R203 C128 C127 R202 R201...
  • Page 11 (X28-3050-10) MECHANISM ASS’Y D40-1673-05 R/P/E HEAD (PCB) L-PLAY L-REC 11.8V 10mH 2.2u50 7.5K 10u35 5.6V R/P HEAD +12V RIN-L REC-R R-REC 10u16 ROUT-R PLAY-R 220P 5.7V TEST PIN R-PLAY REC-L P.B REC PLAY-L ERASE 10mH 4.7u50 ERASE HEAD PLAY Rch 10u16 5.6V 2.2u50...
  • Page 12 X28- (X29-270X-XX) RXD-M52-L (X29-270X-XX) DESTINATION C107,108,117,118,152, C111, C139, Q12, R16-18,63,64,116, R117,231, IC3,4 W8,31 UNIT No. C151 C154 IC14 R118 R119 R120 R121 R122 R123 165,167,169,252,254 147,241,242 232,237,238 COUNTRY ABB. 2SA1286-T11 2SD863 U.S.A. 0-11 GENERAL MARKET W02-2741 2SA992 0-21 AUSTRALIA 4.7u50...
  • Page 13: Schematic Diagram

    (X29-270X-XX) 7.1V IC10 6.8V 6ch BTL +3.3V AVR DRIVER 5.1V (CD) 3.3V (BOTTOM VIEW) 6.2V 7.0V 3.6V Q14,15 TRACKING BIAS 3.3V VOLTAGE VOLTAGE 5.0V V : 3.5V H : 3.6V (CD SENS) CHANGE- OVER VOLTAGE VOLTAGE (CD SCOR) 220P (CD SQSO) V : 0V H : 3.0V 7.1V...
  • Page 14 (X29-270X-XX) DECK DT DECK CLK REC R SW TYPE SW PLAY SW HALF SW REC F SW PH SW CL SW OP SW MD VERSION : 8.7V SLT OP DECK VERSION : 20.4V SLT CL 5.1V C165 A GND 4.6V IC14 IC12 X07-A/5...
  • Page 15 X29- (X07-3XXX-XX) (A/5) 23.4V (BOTTOM VIEW) POWER AMP RELAY DRIVER R223 R222 4.7K POWER IC MUTING -25.7V A1 (W02-2732) 5.0V 5.1V W210 OPT OUT R224 R240 R259 W211 25.4V 2.2K W212 1/4W R270 2.2K 330 1W 3.3K AUDIO L 4.4V 0.22 2W 0.22 2W 330 1W...
  • Page 16 (X07- ) (E/5) LCD ASS’Y RXD-M52-L (X07-322X-XX) CN14 CN15 DESTINATION UNIT R124,125, C29, R116 R117 R249 R250 R256 R257 R258 135,136,239 COUNTRY ABB. C106 U.S.A. 0-10 L07-2758-05 1.6A 125V 0.47 GENERAL MARKET 0-21 AUSTRALIA TEST9 T800mA 1.2K U.K. L07-2858-05 1/4W 0.22...
  • Page 17 RXD-M52 EXPLODED VIEW (CD MECHANISM) SCREW N09-5129-08 N89-2606-46 N09-5113-08 N19-1105-04 N09-3366-08 CDM-34 Parts with exploded numbers larger than 700 are not supplied.
  • Page 18 2.6x8 : N82-2608-46 X28-3050 : N89-3006-46 SCREW : N09-5194-05 M3x6 : N30-3006-41 : N89-3010-46 : N86-4006-46 3x8 (BLK) : N89-3008-45 X07- 3x18 : N89-3018-46 M3x10 : N09-2961-05 3x12(BLK) : N89-3012-45 WASHER : N19-0364-05 X07- X07- X07- TUNER TAPE SUPER / BAND DIGITAL WOOFER VOLUME/...
  • Page 19 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 20 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 21 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 22 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 23 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 24 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 25: Exploded View

    ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 26 ✽ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Add- Desti- Ref. No Parts No. Description ress Parts nation marks A11-1166-08 SUB CHASSIS ASSY(ROLLER UNIT) A11-1157-08...