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MINI HiFi COMPONENT SYSTEM
RXD-402/402E/402W/452/452E/452W/502/502E/
QQ
3 7 63 1515 0
RXD-502W/552/552E/552W/572S/A41/A51
SERVICE MANUAL
(XD-402~A51) **
Knob
(K29-7545-04)
Phone jack
(E11-0280-05)
TE
L 13942296513
Knob
(K29-7544-04)
Front glass
(B10-3448-02)
Cassette lid (L)
(A53-2121-02)
Knob
(K29-7553-01)
Panel *
(A60-)
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.
Knob
(K29-7541-02)
x
ao
u163
y
i
2 9
8
Front glass
(B10-)
Q Q
3
6 7
1 3
1 5
Illustration is RXD-402.
* Refer to parts list on page 48~.
co
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
9 4
2 8
© 1999-1/B51-5500-00 (K/K) 3590
Knob
(K29-7543-04)
0 5
8
2 9
9 4
2 8
Knob
(K29-7541-02)
Front glass
(B10-3449-02)
Cassette lid (R)
(A53-2122-02)
Front glass
(B10-3471-03)
Panel (CD)
(A29-1046-02)
m
9 9
9 9

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   Summary of Contents for Kenwood RXD-402

  • Page 1 **Refer to page 2 if you want to know system configuration. u163 In compliance with Federal Regulations, following are reproduc- KENWOOD-Crop. certifies this equipment conforms to DHHS tions of labels on, or inside the product relating to laser product Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
  • Page 2: Table Of Contents

    RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS/ACCESSORIES/CAUTIONS....2 PC BOARD ..............15 EXTERNAL VIEW/DISASSEMBLY FOR REPAIR..3 SCHEMATIC DIAGRAM ..........23 BLOCK DIAGRAM ............4 EXPLODED VIEW .............44 CIRCUIT DESCRIPTION ..........5 PARTS LIST...............48 ADJUSTMENT ............10 SPECIFICATIONS .............59 WIRING DIAGRAM ............14...
  • Page 3: External View/disassembly For Repair

    (E20-0321-05) Phono jack (E63-1037-05) Oscillating module (W02-1114-05) L 13942296513 Illustration is RXD-402. DISASSEMBLY FOR REPAIR HOW to open the tray if not comes out. (1) Turn the friction arm counterclockwise BOTTOM SIDE using a screw driver and the like. (2) Pull out the tray front wards by hand when the tray comes just out.
  • Page 4 PH A,B PH A,B MOTOR A MOTOR B TAPE SPEED FAST OFF MOTOR MOTOR PSLOAD A,B CrCO2 PSIN u-COM +5.6V AVR L REC u 1 6 3 HD74HC166P R REC SOL A,B SOL A,B A,B PACK AC IN A,B PLAY RXD-402/502...
  • Page 5: Circuit Description

    RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 CIRCUIT DESCRIPTION 1. Initialization 2. Destination list of TUNER Destinat- Tuner Receiving Channel BAND 1-1 Setting of initial conditions type frequency range space While pressing the [ENTER] key, put the plug into an AC 87.5MHz~108.0MHz...
  • Page 6 REV.MODE • • • volume min+1step Unplug an AC power cord from an AC power outlet. DOLBY • • • • • • volume 14 *RXD-402(TAPE E.Q.) 3-2-3 Condition in test mode A/B • • • • • • • • • volume20 (1) Initial condition REC/ARM •...
  • Page 7: Block Diagram

    RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 CIRCUIT DESCRIPTION 4. Main microprocessor 4-1 Microprocessor periphery block diagram X28, IC1 X14, IC51 X13, IC1 X04, IC2 TUNER PACK IC2 X14, IC52, 53 L 13942296513 X04, IC7 X28, IC4 EXPANDER X04, IC3 SERIES...
  • Page 8 RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 CIRCUIT DESCRIPTION 4-3 Pin description of microprocessor: M30622MA-173FP (X13, IC1) Pin No. Name Description Active S.LEVEL RDS S level input. PLL DO PLL IC data input. SD detector input. Stereo detector input. PLL CE PLL IC chip enable.
  • Page 9 RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 CIRCUIT DESCRIPTION Pin No. Name Description Active A-JOG2 Jog A (S28) input. B-JOG1 Jog B (S29) input. B-JOG2 Jog B (S29) input. 57,58 ENC1,2 Rotary encoder(S27) input. LEDCLK Clock output to LED controller(IC52,53). 60,61 LEDDT1,2 Data output to LED controller(IC52,53).
  • Page 10: Adjustment

    RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 ADJUSTMENT Amp adjustment 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-402/452/502/552/572S/A41/A51 3 7 63 1515 0 ADJUSTMENT Tuner adjustment X04-1313 Q TYPE (65MHz~74MHz BAND) INPUT OUTPUT TUNER ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS POINTS Adjust it the 69 MHz, Connect a frequency AUTO frequency counter 70 dBf (ANT INPUT)
  • Page 12 RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 ADJUSTMENT CD player adjustment INPUT OUTPUT PLAYER ALIGNMENT ITEM ALIGN FOR FIG. SETTING SETTING SETTING POINT Step 1,2 are in TEST MODE TEST MODE : While pressing the [CD PALY] key, plug the AC power cord into the AC power wall outlet.
  • Page 13: Pc Board

    RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 ADJUSTMENT Cassette Deck adjustment DECK ALIGNMENT INPUT OUTPUT ALIGN FOR ITEM FIG. POINT SETTING SETTING SETTING Unless otherwise specified, set the respective switches as follows: 0dBs=0.775V TAPE : NORMAL DOLBY : OFF PLAY OUT : Lch (X28,CN6 @pin), Rch (X28,CN6 C pin) ø.
  • Page 14 (M,M1,Y) TYPE DESTINATION COUNTRY ABB. EUROPE 2-71 AUSTRALIA UNIT No. UNIT No. 0-11 COUNTRY ABB. GENERAL MARKET 0-22 COUNTRY ABB. RXD-402 (X14-493X-XX) JAPAN 0-01 GENERAL MARKET U.S.A. EUROPE RXD-402 (X13-761X-XX) 0-11 0-11 AUSTRALIA DESTINATION CANADA JAPAN UNIT No. DESTINATION GENERAL MARKET...
  • Page 15: Schematic Diagram

    PC BOARD(Component side view) 3 7 6 3 1 5 1 5 0 RECORD/PLAYBACK UNIT X28-2980-10 MPX UNIT X04-1313-8X C100 1 3 9 4 2 2 9 6 5 1 3 R108 L-OUT A.12V A.GND R-OUT B.12V B.GND R113 R114 w w w u 1 6 3 R111...
  • Page 16 PC BOARD(Component side view) 3 7 6 3 1 5 1 5 0 X07 B/2 X07-3030-10 A/2 POWER AMPLIFIER UNIT X00 C/3 X00 B/3 R102 R131 R132 POWER SUPPLY UNIT X00-2930-10 A/3 1 3 9 4 2 2 9 6 5 1 3 R112 Lch ACLASS For M...
  • Page 17 PC BOARD(Component side view) 3 7 6 3 1 5 1 5 0 X13-7610-10 SUB-CIRCUIT UNIT W165 R209 R208 R221 R207 W181 W182 W180 SYSTEM CONTROLLER R129 W176 W177 R107 W178 R101 W197 W171 W188 R.D.S. W172 W189 W179 W193 W173 W190 R131...
  • Page 18 PC BOARD(Component side view) DISPLAY UNIT 3 7 6 3 1 5 1 5 0 X14-4930-10 A/6 X14 E/6 R145 C163 R204 R144 R205 CN13 C155 R502 R135 C164 C156 R134 R137 R501 R136 C161 C165 R150 C158 C157 R143 C154 R141 C162...
  • Page 19 TR1 : 2SK360 MTZ5.1B TR2 : 2SC2714 DA204K TR3 : 2SC2413 2SC2412 TR7 : DTA114EKA 7.2MHz L 1 3 9 4 2 2 9 6 5 1 3 RXD-402 (K,P) TUNER PACK (W02-2674-05) : (E)TYPE 360P 0.47u 0.015 3300P 0.22u 0.018 0.47u...
  • Page 20 : DTC144TKA 7.2MHz : DTA114EKA : DTC123YUA TR9,10,14 : DTC143TUA TR11 DTC114TUA TR13 : 2SC4081 RXD-402 (Q) L 1 3 9 4 2 2 9 6 5 1 3 TUNER PACK (W02-2676-05) : (M)TYPE 0.012 TR14 TR11 5600P 0.012 1200P 0.033...
  • Page 21 : KV1260TS2 or SVC342 : LC72131M D2-4 : SVC220 +12V 3.3K MTZ5.1B DATA : 2SK360 DA204K : 2SC2714 1SS318 2SC2413 TR4,13 : 2SC4081 : 2SC2412 u 1 6 3 : DTC144TKA 7.2MHz : DTA114EKA : DTC123YUA TR9,10,14 : DTC143TUA TR11 DTC114TUA RXD-402 (T)
  • Page 22 RECORD/PLAYBACK UNIT (X28-298X-XX) CAUTION: For continued safety, replace safety critical compo- 3 7 63 1515 0 nents only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued pro- tection against risk of fire, replace only with same type and rating fuse(s).
  • Page 23 C25, W16-19,21, W32, 1/4W UNIT No. A C E 25,28 COUNTRY ABB. RUSSIA 3-81 2.2u50 RXD-402 (X28-2980-11) 2.2u35 1 3 9 4 2 2 9 6 5 1 3 DESTINATION R33, R113, C25, W16-19,21, W32, UNIT No. 25,28 COUNTRY ABB.
  • Page 24 X28- (X04-1313-84) MPX UNIT (Q) TYPE ONLY SUB-CIRCUIT UNIT (X13-761X-XX) 12.3V 3 7 6 3 1 5 1 5 0 +12V +12V (1/2) ROTARY TRAY'S MOTOR DRV. LODING TRAY'S MOTOR DRV. 2.2u50 1.2K REF.VOLTAGE MONITOR CHANGE-OVER (ROTARY TRAY) C23 4700P Q504 SEPARATION R19 10K...
  • Page 25 (X13-761X-XX) 3 7 6 3 1 5 1 5 0 8.7V 12 11 10 9 C511 FM75 -12.3V +12V POWVCC AM ANT Q11 MUTING INTER- 12.3V FACE +12V +12V REGULATOR T.S.D MONITOR INTER- FACE VREF 0.01 POWER SUPPLY ON/OFF SWITCH 12.3V (TUNER) (BOTTOM VIEW)
  • Page 26 1 3 9 4 2 2 9 6 5 1 3 R537, C515-517, LEDCLK UNIT No. R107 A501 COUNTRY ABB. ENC2 GENERAL MARKET 0-22 W02-2676-05 ENC1 B-JOG2 5.0V RXD-402 (X13-761X-XX) B-JOG1 DESTINATION R537, C515, 1000P 2.2K UNIT No. R107 C517 A501 COUNTRY ABB. 516,530 A-JOG2 U.S.A.
  • Page 27 IDLING POWER AMPLIFIER UNIT (X07-303X-XX) (A/2) Q1,2 : 2SC2878(B) Q3,4 : 2SD2144S(U,V) 3 7 6 3 1 5 1 5 0 Q5-8,19-21 : 2SA992(F,E) 51.2V 6.8K CURRENT 1/4W 1/4W Q9,10,17,18,22,23,31,43 PROTECTION 1/4W /CURRENT 50.5V : 2SC1845(F,E) 1.1V LIMITER Q11,12 2SC4137F50(V,W) Q13,14 3.3K Q5-8...
  • Page 28 0.22 47u50 2SD2493 2SB1624 GENERAL MARKET 0-21 1.3K 10u35 0.22 47u63 2SD2493A 2SB1624A CANADA HZS18N(B2) HZS13N(B2) HZS20N(B2) HZS16N(B2) RXD-452 (X07-303X-XX) RXD-402 (X07-3030-11) DESTINATION DESTINATION R25, R39, R49, R55, C13, C41, C43, D11, W51, W53, VR1, CN3, R25, R39, R49, R55,...
  • Page 29 X13- DISPLAY UNIT (X14-493X-XX) (A/6) ED1 BIG (SVA-15MM13) 3 7 6 3 1 5 1 5 0 ED1 SMALL (BJ665GK) B19 B25 REPEAT TOTAL T.EQ K-PGM P5 P6 P13 P14 TOTAL PROG. 1 O.T.T. AUTO PROG. 1 2 O.T.T. AUTO (X14- ) (B/6) C57 1000P R72 10K...
  • Page 30 R70,76, UNIT No. COUNTRY ABB. RUSSIA 2-71 RXD-552E (X14-4932-71) DESTINATION D53, R70,76, UNIT No. R71 ED1 COUNTRY ABB. EUROPE 2-71 RXD-402 (X14-493X-XX) DESTINATION D53, R70,76, UNIT No. COUNTRY ABB. U.S.A 0-11 CANADA SMALL EUROPE 2-72 FLAC RXD-402W (X14-4932-72) FLAC D53,...
  • Page 31: Exploded View

    RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 EXPLODED VIEW (CD MECHANISM) L 13942296513 AQx2 ø 2.6x6 : N32-2606-46 ø 2x3 : N30-2003-46 u163 WASHER : N19-1435-05 ø 2x5 : N86-2005-46 KCTB1H Parts with exploded numbers larger than 700 are not supplied.
  • Page 32 RXD-402/452/502/552/572S/A41/A51 3 7 63 1515 0 EXPLODED VIEW (CD MECHANISM) M2.6x14(BLK) : N89-2614-45 SCREW(SUB-L) : N09-3377-08 M2x8 : N89-2008-46 SCREW(F) : N09-3141-08 M2.6x8 : N89-2608-46 SCREW(E) : N09-3140-08 SCREW(A2) : N09-3225-05 ø2.6x6 : N09-3369-08 SCREW(A) : N09-5104-08 SCREW(J) : N09-3489-08...
  • Page 33 3 7 6 3 1 5 1 5 0 (A MECHA) : N87-2004-46 (B MECHA) : N87-2006-46 : N19-0904-08 : N19-0905-08 : N19-1214-08 L 1 3 9 4 2 2 9 6 5 1 3 (A MECHA) (A MECHA) (B MECHA) (B MECHA) RPEH CBx2...
  • Page 34 3 7 6 3 1 5 1 5 0 ANTENNA SURROUND SURROUND SPEAKER OUTPUT OPTICAL (B/2) A501 WOOFER FRONT PRE OUT SPEAKERS X13-761 787x2 AC110- AC220- 120V 240V (C/3) X04-1313-8X (Q type only) (Bx3) X07-303 (A/2) ø2.6x8 : N82-2608-46 ø3x8 : N82-3008-46 X28- X00-293...
  • Page 35 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 36 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 37 NON-WOVEN FABRIC T90-0836-05 LEAD WIRE ANTENNA H10-7532-12 POLYSTYRENE FOAMED FIXTURE (L) T90-0837-05 LOOP ANTENNA H10-7533-12 POLYSTYRENE FOAMED FIXTURE (R) H25-1536-04 PROTECTION BAG RXD-402/402E/402W H25-1642-04 PROTECTION BAG H50-3282-04 ITEM CARTON CASE A01-3681-01 METALLIC CABINET A09-0399-08 CABINET H50-3283-04 ITEM CARTON CASE A29-1046-02...
  • Page 38 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 39 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 40 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 41 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 42 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 43 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.
  • Page 44 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 45: Parts List

    Letters in the destination mean the country. Numerals in the Remarks do the model. Teile ohne Parts No. werden nicht geliefert. Example: "K and P" show all models for USA and Canada, markets. "2 and 4" does all Desti- Add- models of RXD-402,-402E,-402W,-452,-452E,-452W and -A41. Ref. No Parts No. Description ress...
  • Page 46: Specifications

    Tuning frequency range ....... 153 kHz ~ 279 kHz SW Tuner section (XD-572S only) Tuning frequency range ......5.9 MHz ~ 17.9 MHz u163 1.KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes...
  • Page 47: Specifications

    B deckPlayback / recording head .......... 1 Erasing head ..............1 Fast winding time ........Approx. 115 seconds (C-60 tape) 1.KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes 2.Sufficient performance may not be possible at very low temperatures (0¡C or less).

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