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MICRO HiFi COMPONENT SYSTEM
RXD-302/A31
LS-N302/N352
SERVICE MANUAL
(XD-302/A31)**
This manual is available for repair in USA and CANADA markets.
OPEN/CLOSE button
(K29-7646-08)
Front window
(A29-1069-08)
POWER button
(K29-7650-08)
Knob (JOG)
(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)
**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 MECHA-
NISM OPERATION DESCRIPTION in detail.
DISC button bass assy
(K29-7641-08)
1
DISC
DISC
ON/STANDBY
MULTI CONTROL
INPUT
MENU
EX.BASS
A
PLAY
© 1999-4/B51-5523-00 (K/K) 1377
PLAY PAUSE button
(K29-7648-08)
2
3
DISC
DISC SKIP
VOLUME
BAND
SELECT
TUNING MODE
TAPE A/B
REC/ARM
REC/
B
PLAY
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
CD door
(A60-1723-08)
Knob (VOLUME)
(K29-7652-08)
PHONES
Headphone jack
(E11-0386-08)
Tuning button assy
(K29-7643-08)
PLAY button
(K29-7656-08)
Cass window R
(B10-3528-08)
Cass door R
(A53-2159-08)
Foot rubber
(G11-2484-08)
Illust. is RXD-A31.
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Table of Contents
Related Manuals for Kenwood RXD-302
Summary of Contents for Kenwood RXD-302
- Page 1 Illust. is RXD-A31. In compliance with Federal Regulations, following are reproduc- KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J. tions of labels on, or inside the product relating to laser product safety.
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Page 2: Table Of Contents
RXD-302/A31 CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS / ACCESSORIES / CAUTIONS....2 PC BOARD ..............10 EXTERNAL VIEW ............3 SCHEMATIC DIAGRAM ..........13 BLOCK DIAGRAM ............4 EXPLODED VIEW .............24 CIRCUIT DESCRIPTION ..........5 PARTS LIST...............27 ADJUSTMENT ............7 SPECIFICATIONS .............33 Accessories FM indoor antenna (1) -
Page 3: External View
RXD-302/A31 EXTERNAL VIEW Cabinet * (A01-) Phono jack (E63-1074-08) SUPER WOOFER PRE OUT Antenna terminal (E70-0070-08) Phono jack (E63-1073-08) Lock terminal board (E70-0108-08) AC power cord (E30-2932-08) * Refer to parts list on page 27. - Page 4 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 AM RF Q106 TUNER IC501 SPKR ATT IC402 VOLUME TREBLE MIDDLE BASS TUNE...
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Page 5: Block Diagram
RXD-302/A31 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) LC867240A-5L36 (LC1833L) IC03 IC103 PLL IC... - Page 6 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 PLL-DO DATA OUTPUT (LC72131) B-PH B DECK REEL SENSOR PLL-DI...
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Page 7: Adjustment
RXD-302/A31 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 8: Cassette Deck Section
RXD-302/A31 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 DECK SETTINGS P O I N T Unless otherwise specified : each ;... - Page 9 RXD-302/A31 ADJUSTMENT AM SECTION I N P U T OUTPUT TUNER ALIGNMENT N O . I T E M ALIGN FOR F I G . SETTING S E T T I N G S E T T I N G...
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Page 10: Pc Board
BOARD(Component side view) TUNER UNIT CD UNIT Refer to the schematic diagram for the value of resistors and capacitors. - Page 11 BOARD(Component side view) FRONT UNIT MAIN UNIT PHONES Refer to the schematic diagram for the value of resistors and capacitors.
- Page 12 For FREQUENCY DEVIATION continued protection against risk of fire, replace only with same type and rating fuse(s). To RXD-302/A31 reduce the risk of electric shock, leakage-current or resistance measurements shall be car- 98MHz 1kHz STEREO 67.5kHz 7.5kHz(Pilot)
- Page 13 The measurement value may vary RXD-A31(2/4) depending on the measuring instruments used or on the prod- uct. Refer to the voltage during PLAY unless otherwise speci- fied; The value shown in ( ) is the voltage measured at the RXD-302/A31 moment of STOP. Y39-3250-11...
- Page 14 TUNER -CN101 CASSETTE DECK MECHA. ASS'Y MAIN PCB CN101 10 9 CD CKT MUTE -CN04 ON:4.6V OFF:0V MOTOR 10.9V 8.1V CN402 A-HALF SW A-HALF +7.5V ON:4.0V R445 2.2K OFF:0V A-MODE SW R410 TUNER A-PHOTO INTERRUPTER MUTING A-MODE MUTE A-PHOTO OUT Q401 Q402A R407...
- Page 15 R639 2.2K R638 100K C748 0.01 -46.2V R712 R637 100K -33.0V C750 R710F D714 L700 Q708 47u100 AC49.6V -35V 470uH 1/2W D710 -33.5V -33.6V C727 33.5V 0.01 Q708 -35V RXD-A31(3/4) C730 C729 C728 33.5V 3300u50 3300u50 0.01 -33.5V RXD-302/A31 Y39-3250-11...
- Page 16 MULTI JOG-B CONTROL RXD-A31(4/4) RXD-302/A31 CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to The DC voltage is an actual reading measured with a high parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type impedance type voltmeter with no signal input.
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Page 17: Exploded View
RXD-302/A31 EXPLODED VIEW (CD MECHANISM) Parts with exploded numbers larger than 700 are not supplied. - Page 18 ø2.6x8 : N09-2769-05 ø2.6x4 : N89-2604-46 ø2.6x10 : N89-2610-46 : N15-1030-46 WASHER ø2.6x8 : N89-2608-46 ø3x8 : N09-1522-05 : N09-3345-08 ø2.6x16 ø2.6x5 : N89-2605-46 ø2.6x6 : N89-2606-46 SCREW : N09-5102-08 ø2x10 : N09-5101-08 R X D -A 31 M E C H A ø3x10 : N89-3010-46...
- Page 19 ANTENNA JK101 ø3x10 : N91-3012-45 (RXD-302) : N89-3010-45 (RXD-302) ø3x10 VOLUME : N89-3012-45 (RXD-302) FLD801 ø3x12 VR801 S809 ø3x10 : N91-3010-46 SUP WOOFER ø3x10 : N89-3010-41 INPUT DISPLAY ENTER BAND PRE OUT S810 S812 S815 S801 DISC1 DISC2 DISC3 DISC SKIP ø3x12...
- Page 20 ELECTRO 100UF 16WV K29-7641-08 DISC BUTTON BASE ASSY C145,146 CC45FCH1H270J CERAMIC 27PF K29-7642-08 EX. BASS BUTTON ASSY K29-7644-08 EX. BASS BUTTON ASSY RXD-302 C148 CQ92FM1H103J MYLAR 0.010UF K29-7643-08 TUNING BUTTON ASS'Y C149 CF92FV1H224J MF-C 0.22UF L : Scandinavia K : USA...
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Page 21: Main Unit
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 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 N19-1497-08 HEMILON WASHER (65X27.5X0.3) N09-3345-08 SCREW TAPTITE CUP2618 (2.6X16)
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Page 26: 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... - Page 27 Av. Moema, 170-17˚, Andar-Cobertura “B”, Ed. Maximum Service Center, 04077-020 Moema, São Paulo-SP-Brasil KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom KENWOOD ELECTRONICS BELGUM N.V. Meachelsesteenweg 418, B-1930 Zaventem, Belgium KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str.