Kenwood RXD-302 Service Manual
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Kenwood RXD-302 Service Manual

Mini hi-fi component system
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MINI HiFi COMPONENT SYSTEM
RXD-302/302E/352/352E/372S
QQ
3 7 63 1515 0
LS-N302/N352
SERVICE MANUAL
(XD-302/302E/352/352E/372S)**
OPEN/CLOSE button
(K29-7646-08)
Front window
(A29-1071-08)
POWER button
(K29-7650-08)
Knob (JOG)
TE
L 13942296513
(K29-7658-08)
EX. BASS button assy
(K29-7642-08)
Knob (STOP)
(K29-7654-08)
Cass window L
(B10-3527-08)
Cass door L
(A53-2158-08)
www
**Refer to page 2 if you want to know system configuration.
In compliance with Federal Regulations, following are reproduc-
tions of labels on, or inside the product relating to laser product
safety.
.
Refer to service manual RXD-251/301/301E/301W/351/
351E/351W/371S (B51-5454-00), if you require CD MECH-
ANISM OPERATION DESCRIPTION in detail.
DISC button bass assy
(K29-7641-08)
ON/STANDBY
INPUT
MENU
EX.BASS
A
PLAY
x
ao
u163
y
i
2 9
8
PLAY PAUSE button
(K29-7648-08)
1
2
3
DISC
DISC
DISC
DISC SKIP
MULTI CONTROL
Q Q
3
6 7
1 3
1 5
SELECT
TUNING MODE
TAPE A/B
KENWOOD-Crop. certifies this equipment conforms to DHHS
co
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
.
AVOID DIRECT EXPOSURE TO BEAM
9 4
2 8
© 1999-5/B51-5530-00 (K/K) 2299
CD door
(A60-1723-08)
VOLUME
Knob (VOLUME)
(K29-7652-08)
0 5
8
2 9
9 4
PHONES
Headphone jack
BAND
(E11-0386-08)
Tuning button assy
(K29-7643-08)
REC/ARM
PLAY button
(K29-7656-08)
Cass window R
(B10-3528-08)
Cass door R
(A53-2159-08)
REC/
B
PLAY
m
Illust. is RXD-352M.
9 9
2 8
9 9

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Summary of Contents for Kenwood RXD-302

  • Page 1 PLAY Illust. is RXD-352M. **Refer to page 2 if you want to know system configuration. KENWOOD-Crop. certifies this equipment conforms to DHHS In compliance with Federal Regulations, following are reproduc- u163 Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.

  • Page 2: Table Of Contents

    RXD-302/302E/352/352E/372S 3 7 63 1515 0 CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS / ACCESSORIES / CAUTIONS....2 PC BOARD ..............11 EXTERNAL VIEW ............3 SCHEMATIC DIAGRAM ..........15 BLOCK DIAGRAM ............4 EXPLODED VIEW .............29 CIRCUIT DESCRIPTION ..........5 PARTS LIST...............32 ADJUSTMENT ............7 SPECIFICATIONS ........Back cover...

  • Page 3: External View

    RXD-302/302E/352/352E/372S 3 7 63 1515 0 EXTERNAL VIEW Top cabinet (A01-3725-08) Antenna terminal (E70-0070-08) Phono jack (E63-1073-08) Slide switch L 13942296513 (S62-0083-08) Lock terminal board (E70-0108-08) AC power cord (E30-2906-08) u163 Illust. is RXD-352M.
  • Page 4 3 7 6 3 1 5 1 5 0 MAIN PCB/FRONT PCB TUNER PCB UNIT PRE. SET EQ FM FRONT-END Q101 FM ANT TUNE FILTER Q505, HEADPHONES IC102 TUNE FM SECTION +Vcc AM ANT BUFF MUTE AM SECTION RL501 Q106 AM RF TUNER IC501...

  • Page 5: Block Diagram

    RXD-302/302E/352/352E/372S 3 7 63 1515 0 CIRCUIT DESCRIPTION 1. Main microprocessor LC867240A-5L36(IC601) 1-1 Microprocessor periphery block diagram CD MECHA DECK MECHA (9140-C1) IC01 IC601 IC201 DECK PLAY/REC EQ IC RF AMP/SERVO (TA8189N) (CXA1992BR) IC02 IC102 MAIN U-COM FM/AM/MPX IC (CXD2589Q)
  • Page 6 3 7 6 3 1 5 1 5 0 1-3 Pin description Pin No. Name Description Active Pin No. Name Description Active PLL-CE CE OUTPUT (LC72131) H: DATA L: ADDRESS REC-REV-SW REC REV SWITCH L: HOOK EXSIT XRST RESET (CXD2589Q) L: ON A-PH A DECK REEL SENSOR...

  • Page 7: Adjustment

    RXD-302/302E/352/352E/372S 3 7 63 1515 0 ADJUSTMENT FM SECTION (Except M2 type) INPUT OUTPUT TUNER ALIGNMENT ITEM ALIGN FOR FIG. SETTING SETTING SETTING POINTS Adjust SFR101 and stop at the point 98.0 MHz MONO AUTO AUTO STOP SFR101 1kHz, ±40kHz dev where FLD801( 98.0MHz...
  • Page 8 RXD-302/302E/352/352E/372S 3 7 63 1515 0 ADJUSTMENT SW SECTION (M2 type) INPUT OUTPUT TUNER ALIGNMENT ITEM ALIGN FOR FIG. SETTING SETTING SETTING POINTS 5.95 MHz LOW END 1 kHz, 30% MOD 5.95 MHz L201 Maximum output TRACKING 30 dBu (ANT INPUT) 17.9 MHz...
  • Page 9 RXD-302/302E/352/352E/372S 3 7 63 1515 0 ADJUSTMENT CASSETTE DECK SECTION INPUT OUTPUT CASSETTE TAPE ALIGNMENT N O . I T E M ALIGN FOR F I G . S E T T I N G S S E T T I N G S...
  • Page 10 RXD-302/302E/352/352E/372S 3 7 63 1515 0 ADJUSTMENT CD SECTION INPUT OUTPUT PLAYER ALIGNMENT ALIGN ITEM FIG. SETTINGS SETTINGS SETTINGS POINTS On the power from 0.08 to 0.15 mW, Apply the sensor section when the diffraction Press the LASER POWER of optical power meter grating is correctly PLAY/PAUSE key.

  • Page 11: Pc Board

    BOARD(Component side view) 3 7 63 1515 0 TUNER UNIT L 13942296513 CD UNIT u163 Refer to the schematic diagram for the value of resistors and capacitors.

  • Page 12: Schematic Diagram

    PC BOARD(Component side view) TUNER UNIT 3 7 63 1515 0 L 13942296513 u163 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 13 PC BOARD(Component side view) FRONT UNIT 3 7 6 3 1 5 1 5 0 MAIN UNIT 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 PHONES Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 14 Q113 6.1V MW:6.0V SW:0V SW:6.0V Q109 RXD-302/302E (1/5) RXD-352/352E (1/5) RXD-372S (1/5) w w w The DC voltage is an actual reading measured with a high impedance type volt- CAUTION: For continued safety, replace safety critical meter as the AM/FM signal generator is specified to the conditions as shown in the...
  • Page 15 S-86 W02-2681-08 E20-0321-05 EUROPE 1/2W B LINE shock, leakage-current or resis- TUNER UNIT : RXD-302(E3)/302E(E4)/352(T,E,M,X,Y)/352E(E2) tance measurements shall be carried out (exposed parts are 4.3V(5.1V) acceptably insulated from the T102 supply circuit) before the appli- AM IFT...
  • Page 16 Refer w w w to the voltage during PLAY unless otherwise specified; The value shown in ( ) is the voltage u 1 6 3 measured at the moment of STOP. RXD-302/302E (3/5) 8.1V RXD-352/352E (3/5) RXD-372S (3/5) RXD-302/302E/352/352E/372S Y39-3522-71...
  • Page 17 TUNER -CN101 3 7 6 3 1 5 1 5 0 MAIN PCB CN101 CASSETTE DECK 10 9 MECHA. ASS'Y TUNER MUTE -CN101 ON:4.6V OFF:0V 10.9V MOTOR R452 330 8.1V CN402 A-HALF SW 1/4W CD CKT IC402 A-HALF +7.5V -CN04 (2/2) ON:4.0V R445 2.2K...
  • Page 18 JK501 GENERAL MARKET S-97 T3.15AL 250V RL501 IC402 L501 (1/2) R511 0.22 C452 R450 R505 2.2u50 2.2K RXD-302 (994B-85) R524 C521 1000P C505 DESTINATION J628, C515 SPEAKERS 4.7P 1/2W UNIT No. F702 F703 1 3 9 4 2 2 9 6 5 1 3 0.022...
  • Page 19 A:4.6V B:0V REC:4.3V PLAY:0V 4.7V ON:4.4V PIC UP DOWN DISC COUNT TURNTABLE R641 2.2K OPEN R640 2.2K 4.7V CLOSE w w w R639 2.2K R638 100K R637 100K u 1 6 3 RXD-302/302E/352/352E/372S RXD-302/302E (4/5) RXD-352/352E (4/5) RXD-372S (4/5) Y39-3522-71...
  • Page 20 MULTI JOG-B CONTROL u 1 6 3 RXD-302/302E (5/5) CAUTION: For continued safety, replace safety critical components only with manufacturer's recom- The DC voltage is an actual reading measured with a high RXD-352/352E (5/5) mended parts (refer to parts list).

  • Page 21: Exploded View

    RXD-302/302E/352/352E/372S 3 7 63 1515 0 EXPLODED VIEW (CD MECHANISM) L 13942296513 u163 Parts with exploded numbers larger than 700 are not supplied.
  • Page 22 3 7 6 3 1 5 1 5 0 L 1 3 9 4 2 2 9 6 5 1 3 ø2.6x8 : N09-2769-05 ø2.6x4 : N89-2604-46 ø2.6x10 : N89-2610-46 WASHER : N15-1030-46 ø2.6x8 : N89-2608-46 ø3x8 : N09-1522-05 ø2.6x16 : N09-3345-08 : N89-2605-46 ø2.6x5...
  • Page 23 3 7 6 3 1 5 1 5 0 ANTENNA JK101 VOLUME FLD801 VR801 S809 RXD-302/302E INPUT DISPLAY ENTER BAND RXD-352/352E S810 S812 S815 S801 EUROPE and UK SPEAKERS EX.BASS MENU SELECT TUNING MODE JK401 JK501 DISC1 DISC2 DISC3 DISC SKIP ø3x10...
  • Page 24 Ref. No Parts No. Description Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks RXD-302/302E/352/352E/372S E03-0115-05 AC PLUG ADAPTER E30-2905-08 AC CORD A01-3711-08 TOP CABINET (METAL) TEE2 E30-2906-08 AC CORD EMM2 A01-3712-08 TOP CABINET (METAL)BLK E3E4...
  • Page 25 3 7 6 3 1 5 1 5 0 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 3 7 6 3 1 5 1 5 0 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 27 3 7 6 3 1 5 1 5 0 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 3 7 6 3 1 5 1 5 0 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 3 7 6 3 1 5 1 5 0 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 3 7 6 3 1 5 1 5 0 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: Parts List

    RXD-302/302E/352/352E/372S 3 7 63 1515 0 PARTS LIST HOW TO READ THE PARTS LIST ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS MODEL ABB. Australia Canada China England Europe Germany Korea Malaysia RXD-302 RXD-302E RXD-352 RXD-352E RXD-372S MODEL ABB. Mexico PX/AAFES...

  • Page 32: Specifications

    Tuning frequency range ..........153 kHz ~ 279 kHz SW Tuner section (XD-372S) Tuning frequency range ........5.95 MHz ~ 17.9 MHz 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes 2.

This manual is also suitable for:

Rxd-302eRxd-352eRxd-372sLs-n302Ls-n352Rxd-352

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