Kenwood RXD-303 Service Manual

Mini hifi component system
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MINI HiFi COMPONENT SYSTEM
RXD-303/303E/353/353E/503/503E/553/553E/
553-GR/553E-GR/653/653E/A33/A53/A53-GR
SERVICE MANUAL
(XD-303~A73)**
Panel(CD) *
(A29-)
Front glass *
(B10-)
Knob *
(K29-)
Phone jack
(E11-0280-05)
**Refer to page 2 if you want to know system configuration.
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
STANDBY
TIMER
DISPLAY/DEMO
SOUND
MENU
TUNING
CONTROL
MODE
BACK
SELECT
ENTER
PHONES
PUSH
OPEN
A
DECK
PLAY
© 2000-3/B51-5605-00 (K/K) 3633
DISC
VOLUME
CONTROL
DISC SKIP
OPEN/
CLOSE
REVERSE
MODE
REC/ARM
PUSH
OPEN
DECK
REC/PLAY
* Refer to parts list on page 33.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM
Panel ass'y *
(A60-)
1
DISC
2
DISC
3
TAPE EQ.
Knob *
(K29-)
B
70%

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Summary of Contents for Kenwood RXD-303

  • Page 1 * Refer to parts list on page 33. In compliance with Federal Regulations, following are repro- KENWOOD-Crop. certifies this equipment conforms to DHHS ductions of labels on, or inside the product relating to laser Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
  • Page 2: Table Of Contents

    RXD-303/353/503/553/653/A33/A53 CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS / ACCESSORIES / CAUTIONS..... 2 PARTS DESCRIPTIONS ..........13 EXTERNAL VIEW ............3 PC BOARD .............. 14 DISASSEMBLY FOR REPAIR........3 SCHEMATIC DIAGRAM .......... 19 BLOCK DIAGRAM ............4 EXPLODED VIEW ............31 CIRCUIT DESCRIPTION ..........5 PARTS LIST..............33 ADJUSTMENT ............10...
  • Page 3: External View

    RXD-303/353/503/553/653/A33/A53 EXTERNAL VIEW Cover Metallic cabinet * (F07-1692-01) (A01-) ANTENNA Lock terminal board (E70-0124-05) FRONT SPEAKERS (6-16 ) Lock terminal board (E70-0052-05) SURROUND Slide switch (S62-0077-05) Pin jack (E63-0095-05) DVD/VIDEO INPUT Lock terminal board (E70-0123-05) SURROUND SPEAKERS (8-16 ) AC 110-...
  • Page 4 AN8806SB C1,C2 MAIN (16.9344MHz) TUNER TIMMER CLOCK LOADING DRIVER MAIN CLOCK PICKUP/ (32.768KHz) (10MHz) LOADING PICKUP DRIVER DRIVER X32,Q2 CD DSP.RF AMP -40V RXD-503/553/653 (T/E TYPE ONLY) CONTROL IC -35V ELECTRIC VOL D.OUT MAIN u-COM (OPTICAL) RXD-A33/A53/A53-GR RXD-303/303E/353/353E RXD-503/503E/553/553E/553-GR/553E-GR RXD-653/653E...
  • Page 5: Circuit Description

    RXD-303/353/503/553/653/A33/A53 CIRCUIT DESCRIPTION 1. Initialization (3) CASSETTE DECK • REVERSE MODE REVERSE 1-1 Setting of the Initial Conditions • TAPE A/B While pressing the [ENTER] key, plug the AC cord into AC • TAPE DIRECTION FORWARD wall outlet. (4) AUX (DEV/VIDEO) •...
  • Page 6 RXD-303/353/503/553/653/A33/A53 CIRCUIT DESCRIPTION 3. Test Mode 3-1 Setting of the Test Mode AUX MODE AUX(DVD VIDEO) key+AC-ON TUNER MODE TUNER(BAND) key+AC-ON TAPE MODE TAPE A(< >) key+AC-ON CD MODE DISC3 key+AC-ON MENU key+AC-ON The oscillation diagnosis(existence of oscillation and measurement of period) of a sub clock is per- formed before the test mode is entered.
  • Page 7: Block Diagram

    RXD-303/353/503/553/653/A33/A53 CIRCUIT DESCRIPTION 3-3-4 Test Mode DISPLAY OPERATION CD-PLAY/PAUSE ** ** Tracking-servo on. (Change the mode 05 and 03 Tracking-servo off. alternately by the stop key.) DISC 1 STOP Adjustment value/mean value (Cyclically changed in the TB value FB value stop mode only.)
  • Page 8: Circuit Description

    RXD-303/353/503/553/653/A33/A53 CIRCUIT DESCRIPTION 4-2 Key Matrix Input Voltage KEY3 KEY2 KEY1 Pin94 Pin95 Pin97 0.00 0.23 REV. MODE POWER 0.26 0.75 EX. BASS DISPLAY/DEMO 0.79 1.29 TAPE EQ. CD PLAY/ PAUSE TUNING MODE 1.33 1.84 OPEN/CLOSE BAND MENU 1.88 2.38...
  • Page 9 RXD-303/353/503/553/653/A33/A53 CIRCUIT DESCRIPTION ACTIVE Pin No. Pin Name Description R REC B deck reverse recording prohibition detection switch. B PLAY B deck head position detection switch input. BIAS Deck bias on/off changeover control. BEAT.C Deck beat cancel on/off changeover control.
  • Page 10: Adjustment

    RXD-303/353/503/553/653/A33/A53 ADJUSTMENT Amp adjustment RXD-A53(K/P), RXD-503/553(K/P) only INPUT OUTPUT AMPLIFIER ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS POINTS Unless otherwise specified, the individual switches should be set as following : POWER : ON SELECTOR : CD Connect a DC...
  • Page 11 RXD-303/353/503/553/653/A33/A53 ADJUSTMENT Cassette Deck adjustment OUTPUT CASSETTE TAPE ALIGNMENT ITEM INPUT SETTING ALIGN FOR FIG. SETTING DECK SETTING POINTS Cassette mechanism unit (Adjustment of the REC / PLAY head) 0dBs = 0.775V Demagnetize the REC / PLAY head Recording Power : OFF with the head eraser.
  • Page 12 CD MECHANISM (D40-1668-08) (X32-380X-XX) RXD-A53/A53-GR (X32-3800-10) RXD-303/303E (X07-316X-XX) RXD-A33 (X07-3160-11) D40-1668- 5 DESTINATION UNIT DESTINATION UNIT DESTINATION UNIT Lch 1 COUNTRY ABB. COUNTRY ABB. COUNTRY ABB. K,K1 FM(75) U.S.A. 0-10 U.S.A. 0-11 U.S.A. MAIN CANADA P,P1 0-11 E,E1 SPEAKER OUT...
  • Page 13: Parts Descriptions

    RXD-303/353/503/553/653/A33/A53 PARTS DESCRIPTIONS...
  • Page 14: Pc Board

    PC BOARD (Component side view) X32-3800-10 A/4 (J70-1386-12) X32 D/4 DOWN X32 C/4 R105 R106 X32 B/4 W101 W102 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 15: Schematic Diagram

    PC BOARD(Component side view) X13-7710-10 A/2 (J70-1384-21) W122 CN21 W201 W149 IC12 C212 R233 W139 R232 R244 X13 B/5 X13 C/5 R235 R236 CN16 CN15 W182 C213 W123 C201 W175 W124 W168 C216 C165 W189 W125 (E.T ONLY) W169 W128 D101 R254 W129...
  • Page 16 PC BOARD(Component side view) X14-7110-10 A/2 (J70-1377-22) PROLOGIC/SVCD 3 STEREO/VCD VIRTUAL/PBC STANDBY X07-3160-10 A/2 (J70-1383-11) DISC 1 POWER PROTECT. TIMER DISC 2 DISP/DEMO DISC 3 SOUND MODE MENU TUNNING MODE TAPE A TAPE B TUNER BAND CD PLAY/PAUSE PLAY PLAY DISC SKIP STOP OPEN/CLOSE...
  • Page 17 5.0V RXD-A33 (X28-3040-10) 5.0V 5.2V DESTINATION UNIT C13-16 COUNTRY ABB. 4.9V U.S.A. 0-10 CANADA 10u16 1.1K 100P RXD-303/303E (X28-304X-XX) 10u16 R139 10K DESTINATION UNIT C13-16 L-PLAY +12V AUDIO+12V COUNTRY ABB. R138 2.4K C25 220P R17 15K C23 10u16 R-PLAY-OUT U.S.A.
  • Page 18 MN662748RPMFA M,M5 CANADA GENERAL MARKET +5.0V C55 1000P 9.1V : BA5936S E,E1 EUROPE 2-71 YES NO AUSTRALIA 0-10 U.K. RXD-303/303E (X32-380X-XX) : 2SA954(L,K) EUROPE E,E1 : KTA1046 or DESTINATION UNIT C43, W28, KOREA 2SB1370 or COUNTRY ABB. 2SB1375 U.S.A. 0-10...
  • Page 19 (X13-771X-XX) TUNER PACK IC12 DEMODULATOR R52 47K 2.5V 31 30 29 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 QUAL RDSCLK R53 100 W189 FM(75)
  • Page 20 NO NO SELF CHECK 250V 250V AUSTRALIA 6.8K 4.7K POWER 2SD2061 UN4216 KTC3200 D9,103 : RB721Q HP-L D12,13,18,101,102 : MTZJ15(B) or RXD-303/303E (X13-771X-XX) HP-R RD15ES(B2) DESTINATION UNIT C13, C21, C151, C101 C105 C217 : MTZJ5.1(B) or MUTE COUNTRY ABB. RD5.1ES(B2)
  • Page 21 The DC voltage is an actual reading measured with a high impedance type volt- meter with no signal input. The measurement value may vary depending on the measuring instruments used or on the product. RXD-303/303E (X07-316X-XX) RXD-A53/A53-GR (X07-3160-10) DESTINATION DESTINATION...
  • Page 22 CANADA TOTAL RXD-503/503E (X14-7110-10) PTY R D S AUTO DESTINATION UNIT COUNTRY ABB. RANDOM U.S.A CANADA 0-10 PGM RPT. DISC ST. EUROPE E,E1 RXD-303/303E (X14-7110-11) DESTINATION UNIT COUNTRY ABB. U.S.A. 0-11 CANADA E,E1 RXD-653/653E (X14-7110-10) DESTINATION UNIT COUNTRY ABB. U.K.
  • Page 23: Exploded View

    RXD-303/353/503/553/653/A33/A53 EXPLODED VIEW (MECHANISM) Parts with exploded numbers larger than 700 are not supplied.
  • Page 24 STANDBY POWER ANTENNA DISC 1 TIMER DVD/VIDEO DISC 2 INPUT DISP/DEMO DISC 3 AC110 120V SOUND TUNNING TAPE A TAPE B TUNER PLAY/ MODE MENU MODE PLAY PLAY BAND PAUSE DISK SKIP AC220 240V OPEN/CLOSE MOLTI.CON VOLUME STOP SELECT EX.BASS MODE BACK ENTER...
  • Page 25 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 INSTRUCTION MANUAL (EN) B60-4473-00 INSTRUCTION MANUAL (EN) T90-0836-05 LEAD WIRE ANTENNA T90-0852-05 LOOP ANTENNA B60-4474-00 INSTRUCTION MANUAL (FR) B60-4475-00 INSTRUCTION MANUAL (GE) RXD-303/303E/503/503E/653/653E B60-4476-00 INSTRUCTION MANUAL (NE) B60-4477-00 INSTRUCTION MANUAL (IT) A01-3739-01 METALLIC CABINET(653/653E) TEE1X B60-4478-00 INSTRUCTION MANUAL (ES) EMM5...
  • Page 27 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 28 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 29 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 30 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 31 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 32 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 33 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 34 Europe Germany Korea Malaysia MODEL ABB. Desti- Add- Ref. No Parts No. Description RXD-503 ress Parts nation marks RXD-503E CD MECHANISM (D40-1668-08) RXD-303 RXD-303E 2A,3A D14-0361-08 ROLLER(TRAY) RXD-653 D13-1969-08 GEAR(PULLEY) RXD-653E D13-1970-08 GEAR(IDLER) RXD-A33 D13-1971-08 GEAR(LOAD) RXD-353 D10-3927-08 ARM(SW) RXD-353E...
  • Page 35: Specifications

    RXD-303/353/503/553/653/A33/A53 SPECIFICATIONS Main unit (XD-5/6/7...Series) [ Amplifier section ] [ Cassette deck section ] Rated power output Track ........... 4-track, 2-channel stereo (For U.S.A. and Canada) Recording system ..........AC bias system (Frequency: 105 kHz) 100 watts per channel minimum RMS, both channels driven,...
  • Page 36: Amplifier Section

    KENWOOD ELECTRONICS GULF FZE KENWOOD ELECTRONICS U.K. LIMITED P.O.Box 61318, Jebel Ali, Dubai, U.A.E. KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom KENWOOD ELECTRONICS SINGAPORE PTE LTD. KENWOOD ELECTRONICS BELGUM N.V. No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544 Meachelsesteenweg 418, B-1930 Zaventem, Belgium KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.

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