Kenwood RXD-652 Service Manual
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MINI HiFi COMPONENT SYSTEM
RXD-652/652E/652W/702/702E/702W/752/752E/
RXD-752W/772S/852/852E/852W/A81/A601/A701
SERVICE MANUAL
(XD-652~A701) **
Knob *
(K29-)
MIC VOL.
MIC VOL
MIN.
MAX.
MIC
Phone jack
(E11-0280-05)
0
PUSH
OPEN
Cassette lid assy(L) *
(A53-)
Panel assy *
(A60-)
**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-)
MINI HI-FI COMPONENT SYSTEM
STANDBY
TIMER
ON/STANDBY
C
BACK
MENU
PHONES
AUTO REVERSE
A
PLAY
DIRECT PROGRAM SEARCH SYSTEM
@
1
REV. MODE
TAPE EQ.
DISC
SKIP
1
2
3
DISC
DISC
DISC
Front glass*
(B10-)
XD-552
BAND
TUNING MODE
PRO LOGIC 3 STEREO
VIRTUAL
DISPLAY
INPUT
/DEMO
SELECT
EX.BASS
ENTER
DOWN
REC/
AUTO REVERSE
PLAY
DIRECT PROGRAM SEARCH SYSTEM
&
#
¡
A
REC/ARM
B
^
&
* Refer to parts list on page 55~.
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
© 1999-3/B51-5517-00 (K/K) 3590
DOWN
VOLUME
CONTROL
Knob *
(K29-)
UP
UP
0
PUSH
OPEN
Cassette lid assy (R) *
B
(A53-)
0
OPEN
Panel assy(CD) *
(A29-)

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Summary of Contents for Kenwood RXD-652

  • Page 1 **Refer to page 2 if you want to know system configuration. 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: System Configuration

    RXD-652/702/752/772S/852/A81/A601/A701 CONTENTS / ACCESSORIES Contents CONTENTS/ACCESSORIES ........2 PARTS DESCRIPTIONS ...........13 EXTERNAL VIEW/DISASSEMBLY FOR REPAIR..3 PC BOARD ..............14 BLOCK DIAGRAM ............4 SCHEMATIC DIAGRAM ..........25 CIRCUIT DESCRIPTION ..........5 EXPLODED VIEW .............51 ADJUSTMENT ............10 PARTS LIST...............55 WIRING DIAGRAM ............12 SPECIFICATIONS .............68 Accessories...
  • Page 3: External View

    RXD-652/702/752/772S/852/A81/A601/A701 EXTERNAL VIEW / DISASSEMBLY FOR REPAIR EXTERNAL VIEW RXD-702/E/W/752/E/W//772S/A81 Slide switch SURROUND (S62-0077-05) SURROUND SPEAKERS (8-16½) Lock terminal board Cover Lock terminal board (E20-0321-05) (F07-1660-01) (E70-0046-05) SURROUND SPEAKERS (12-16½) CENTER SPEAKER(6-16½) SUPER WOOFER SPEAKERS(6-16½) Lock terminal board ANTENNA (E70-0110-05) 75½...
  • Page 4 Q TYPE ONLY LD Q501 ANALOG EX-BASS (X14) DIGITAL (X07) HP DET SURROUND 3BAND TONE EXCEPT USED Q1,2 Q3,4 USED BA5979S RXD-652/E/W RXD-652/E/W M62492FP 4ch BTL DRIVER RXD-852/E/W RXD-852/E/W RXD-A601/A701 SELECTOR, RXD-A601/A701 USED FOCUS COIL SURROUND, RXD-652/E/W DRIVER IC3(2/2) TON,E-VOL...
  • Page 5: Circuit Description

    RXD-652/702/752/772S/852/A81/A601/A701 CIRCUIT DESCRIPTION 1. Initialization 1-4-3 Error display • If both mechanism (CD/DECK) error occur, the display is 1-1 Setting of initial conditions indicated as follows. CD & X ERR While pressing the [ENTER] key, put the plug into an AC 2.
  • Page 6 RXD-652/702/752/772S/852/A81/A601/A701 CIRCUIT DESCRIPTION 3-1-4 Basic operation in test mode * USED RXD-652/E/W (1) The muting during mode selection is not controlled in RXD-852/E/W the test mode. RXD-A601/A701 (2) The test mode is cancelled when the AC power is ** EXCEPT USED turned off.
  • Page 7: Block Diagram

    RXD-652/702/752/772S/852/A81/A601/A701 CIRCUIT DESCRIPTION 4. Main microprocessor M30622MC-526FP (X13:IC1) 4-1 Microprocessor periphery block diagram X28(IC1) DECK PLAY/REC EQ IC DECK MECHA CD MECHA X13(IC1) X14(IC51) X13(IC2) DOT DRIVER AUDIO CONTROL IC X14(IC52,53) X13(A1:IC2) MAIN U-COM PLL IC LED DRIVER x 2 M30622MC–526FP...
  • Page 8 RXD-652/702/752/772S/852/A81/A601/A701 CIRCUIT DESCRIPTION 4-3 Pin description Name I/O Connect Description Name I/O Connect Description D-DATA DOLBY DIGITAL IC (CXD2724Q) 53,54 A-JOG1,2 JOG A (SOUND CONTROL)INPUT1,2 DATA OUTPUT 55,56 B-JOG1,2 JOG B (MULTI CONTROL)INPUT1,2 D-CLK – DOLBY DIGITAL IC (CXD2724Q) 57,58...
  • Page 9: Adjustment

    RXD-652/702/752/772S/852/A81/A601/A701 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) counter to VCO monitor...
  • Page 10 RXD-652/702/752/772S/852/A81/A601/A701 ADJUSTMENT CD player adjustment OUTPUT PLAYER ALIGNMENT INPUT 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 11 RXD-652/702/752/772S/852/A81/A601/A701 ADJUSTMENT Cassette Deck adjustment INPUT OUTPUT DECK ALIGNMENT ITEM ALIGN FOR FIG. SETTING SETTING SETTING POINT Unless otherwise specified, set the respective switches as follows: 0dBs=0.775V TAPE : NORMAL DOLBY : OFF PLAY OUT : Lch (X28,CN64pin), Rch (X28,CN66pin) ø.
  • Page 12 UNIT No. UNIT No. B-HEAD AM ANT CANADA CANADA COUNTRY ABB. COUNTRY ABB. U.S.A EUROPE 2-71 0-11 CANADA RXD-652 (X13-763X-XX) RXD-752 (X13-764X-XX) RXD-852W (X14-4932-71) DESTINATION DESTINATION USED RXD-652 (X14-493X-XX) DESTINATION UNIT No. UNIT No. COUNTRY ABB. COUNTRY ABB. (M,Y) TYPE UNIT No.
  • Page 13: Parts Descriptions

    RXD-652/702/752/772S/852/A81/A601/A701 PARTS DESCRIPTIONS...
  • Page 14: Pc Board

    PC BOARD(Component side view) MPX UNIT X04-1313-8X Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 15 PC BOARD(Component side view) POWER SUPPLY UNIT X00-2940-10 A/5 (J70-1298-11) +9V AVR -12V AVR +12V AVR +5VAVR -35V AVR WH3/WH6 CN10 X00 B/5 CN11 CN12 +5.6V AVR X00 C/5 CN13 CN14 3.15A 125V X00 D/5 X00 E/5 240V 240V 120V 120V F3 4A 125V Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 16 PC BOARD(Component side view) POWER AMPLIFIER UNIT RECORD/PLAYBACK UNIT X28-298X-XX X07-3040-10 A/2 (J70-1300-11) R127 C100 C110 R126 R122 R125 C100 R124 W105 R100 R104 W102 X07 B/2 R108 L-OUT A.12V A.GND R-OUT B.12V B.GND W103 R113 R114 R111 R110 R112 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 17 PC BOARD(Component side view) SUB-CIRCUIT UNIT X13-7630-10 (J70-1294-11) TUNER (WH2) R155 R209 R221 R154 R156 R208 R153 R377 R378 R350 W112 R151 W154 L201 R141 R337 R152 W134 R142 W113 C382 W146 W193 R347 R351 R383 R354 R339 W192 R348 IC14 R345 R338...
  • Page 18 PC BOARD(Component side view) SUB-CIRCUIT UNIT X13-7640-10 (J70-1295-11) TUNER (WH2) R155 R209 R221 R154 R156 R208 R153 R377 R378 R350 W112 R151 W154 L201 R141 R337 R152 R142 W113 W134 C382 W146 W193 R347 R351 R383 R354 R339 W192 R348 IC14 R345 R338...
  • Page 19 PC BOARD(Component side view) DISPLAY UNIT X14 D/6 DISC1 DISC2 R124 DISC PLAY DISC3 SKIP PAUSE R112 R116 OPEN R123 STOP /CLOSE R121 R125 R122 R117 R113 R120 R119 FWD. R114 PLAY REV. TAPE STOP REW. PLAY R118 REV. DOLBY (T.E.) MODE X14 C/6...
  • Page 20 www.denom.net TUNER PACK (W02-2673-05) : (K,P)TYPE 0.012 TR14 0.012 1200P 1000P 0.018 0.22u 0.47u 7.5K 0.22u 1.5P AM ANT X13- 4.7K FM ANT 0.22u FM ANT 390K 5.6K X13- +12V DATA DE-EMP IC1 : LA1837M : KV1260TS2 or IC2 : LC72131M SVC342 D2-4 : HVU202A TR1 : 2SK360...
  • Page 21 www.denom.net TUNER PACK (W02-2675-05) : (Q)TYPE 0.47u 1000P 3300P 0.22u 0.018 1.5K TR10 110K 0.47u 5.1K 0.22u TR11 4.7K X13- TR14 AM ANT 0.22u FM ANT 75 100K TR13 5.6K FM-DET X13- 3.9K 3.9K : LA1837M : KV1260TS2 or SVC342 +12V : LC72131M D2-4 : 1SV228...
  • Page 22 www.denom.net TUNER PACK (W02-2685-05) : (T)TYPE 1200P 0.47u 0.012 3300P 0.22u 1.5K TR10 0.018 0.47u 7.5K 0.22u TR11 4.7K TR14 X13- AM ANT 0.22u FM ANT 75 100K TR13 5.6K FM-DET X13- 3.9K 3.9K : LA1837M : KV1260TS2 or SVC342 +12V : LC72131M D2-4 : SVC220...
  • Page 23 RECORD/PLAYBACK UNIT (X28-298X-XX) Q23,24,28,29 A PB VR ON/OFF CONTROL CASSETTE Q25-27 MECHANISM B PB VR (D40-1618-05) ON/OFF COMTROL A-HEAD L-PLAY R-PLAY PLAY/REC HEAD SW 12.2V C51 10u16 L-PLAY B-HEAD 12.3V 5.7V L1 10mH C33 220P 10u16 L-REC L2 10mH ERASE C34 220P 10u16 R-REC...
  • Page 24 R33, R113, C25, W16-19,21, W32, 2.2u50 (1/2) UNIT No. 25,28 COUNTRY ABB. 4.7u35 U.S.A 0-11 CANADA C24 270P RXD-652 (X28-2980-11) DESTINATION R33, R113, C25, W16-19,21, W32, UNIT No. 25,28 COUNTRY ABB. GENERAL MARKET AUSTRALIA 0-11 B DECK A DECK A DECK...
  • Page 25 X28- SUB-CIRCUIT UNIT (X13-76XX-XX) (X04-1313-84) MPX UNIT (Q) TYPE ONLY IC8,9 TRUE TABLE 12.3V +12V +12V ROTARY TRAY'S MOTOR DRV. LOADING TRAY'S MOTOR DRV. MODE INPUT OUTPUT (1/2) 2.2u50 1.2K MOTOR OUT1 OUT2 MONITOR STOP CW/CCW C23 4700P CD 4CH CCW/CW SEPARATION R19 10K...
  • Page 26 (X13-76XX-XX) 8.9V C511 12 11 10 9 FM75 C386 1000P -12.3V +12V +12V POWVCC AM ANT R215 R217 12.3V TUNER INTER- +12V +12V Q11 MUTING FACE REGULATOR C383 0.01 T.S.D MONITOR INTER- FACE VREF THERMAL 0.6V 0.01 SHUTDOWN TUNER +B ON/OFF 12.3V (BOTTOM POWVCC...
  • Page 27 12 11 10 C370 C380 C377 1000P 100P 12.3V +12V +12V +12V +12V Q301-303,305-307 REC(CD,TAPE A)LEVEL CONTROL +12V +12V 4.0V R340 C340 C342 10u16 4.9V 3.3u50 +5.6V Q307 R376 R377 C346 0.7V 2.2K 4.7K 3.7V 3.8V 22u16 4.0V 5.0V IC13 Q306 (2/2) R359...
  • Page 28 L78-0299-05 specified to the conditions as shown in the list below. The CANADA SGND measurement value may vary depending on the measuring RXD-652 (X13-763X-XX) +12V +12V instruments used or on the product. The value shown in ( ) -12.3V DESTINATION...
  • Page 29 POWER AMPLIFIER UNIT (X07-304X-XX) (A/2) : NJM4565D-D POWER IC POWER IC Q1,2,5,6 : 2SC2878(B) Q3,4,7,8 : 2SD2144S(U,V) or KTD1303 Q9-12 : 2SC1845(F,E) Q13,17,28 : DTC113ZSA : 2SC2003(L,K) : KTA1268 or 2SA992(F,E) Q26,27 : KTC3200 2SC1845(F,E) D1,2,9,10 : HZS5.1N(B2) or STK411-220D STK411-220D MTZJ5.1(B) /230D...
  • Page 30 U.S.A 0-11 4.7u50 10u16 2200P 330P 10u100 NO 6P 1.25uH 2SD2525 2SA1265(F) 2.4K 1.1K STK407-090E STK499-120 CANADA 1/4W RXD-652 (X07-3042-72) DESTINATION C21,22, C23,24, C27, C29, C59,60, C69, D1,2,4,5,9, E1,2 E6,7 R45,46, R51, R69, R121, R128 W5,6,45,70,75, W7,37,44,49,51,58,64,69, WH1 R100, UNIT No.
  • Page 31 To reduce the risk of electric shock, leakage-current or resistance measurements 1/4W 2SA1534A(R,S) or TS4B03G 125V CANADA shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned RXD-652 (X00-294X-XX) to the customer. DESTINATION CN5, W17, W39, R21, CN9- UNIT No.
  • Page 32 ABB. 25,38 KTA1273 or D4SBL20UF03 or T3.15AL T4AL RUSSIA 2-71 L07-2661-05 3300u35 1000u35 3900u63 2200u35 1/4W 2SA1534A(R,S) TS4B03G 250V 250V NJM4565MD TA7805SB DAN202U MA142WA 1SS301 DAP202U MA142WK UN5212 CXA1571M CXD2718Q NJM4565L IR3R42 CXD2587Q M62492FP BU2090F S-80840ANY BA5979S SAA6579T/R RXD-652/702/752/772S/852/A81/A601/A701 Y03-3110-10...
  • Page 33 X13- DISPLAY UNIT : FL (X14-493X-XX) (A/6) ED1 BIG (SVA-15MM13) TOTAL P13 P14 P5 P6 PROG. 1 O.T.T. AUTO (X14- ) (B/6) : VOL C57 1000P R72 10K R73 10K 1000P VOLUME COTROL (X14- ) (C/6) : JOG C66 1000P R106 10K C67 1000P R107 10K...
  • Page 34 (X14-493X-XX) (A/6) DESTINATION D53, R70,76, R71, UNIT No. COUNTRY ABB. U.S.A MTZJ5.6(B) or 0-11 SMALL ED1 SMALL (BJ665GK) CANADA HZS5.6N(B2) RXD-652 (X14-493X-XX) DESTINATION D53, R70,76, R71, UNIT No. COUNTRY ABB. GENERAL MARKET B19 B25 0-11 MTZJ5.6(B) or EX.BASS AUSTRALIA SMALL REPEAT HZS5.6N(B2)
  • Page 35: Exploded View

    RXD-652/702/752/772S/852/A81/A601/A701 EXPLODED VIEW (CD MECHANISM) AQx2 ø 2.6x6 : N32-2606-46 ø 2x3 : N30-2003-46 WASHER : N19-1435-05 ø 2x5 : N86-2005-46 KCTB1H Parts with exploded numbers larger than 700 are not supplied.
  • Page 36 RXD-652/702/752/772S/852/A81/A601/A701 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 WASHER : N19-1490-08 WASHER : N16-0026-46...
  • Page 37 www.denom.net (A MECHA) : N87-2004-46 (B MECHA) : N87-2006-46 : N19-0904-08 : N19-0905-08 : N19-1214-08 (A MECHA) (A MECHA) (B MECHA) (B MECHA) RPEH CBx2 www.denom.net...
  • Page 38 : N09-2912-05 SOUND MULTI ø3x10 : N35-3010-46 CONTROL CONTROL FRONT SPEAKERS X07-304 (A/2) WOOFER PRE OUT (D/6) X28-293 REC/ARM REV.MODE TAPE EQ S10 S15 S14 S16 S17 S13 S18 S8 DISC SKIP DISC 1 DISC 2 DISC 3 RXD-652/752/852 www.denom.net...
  • Page 39 www.denom.net 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 POWER TRANSFORMER E30-2592-15 AC POWER CORD E30-2605-05 AC POWER CORD T90-0836-05 LEAD WIRE ANTENNA E30-2717-05 AC POWER CORD T90-0837-05 LOOP ANTENNA RXD-652/652E/652W/A601 E30-2829-05 AC POWER CORD E30-2884-05 AC POWER CORD 1J,2K E35-2256-05 FLAT CABLE (21P) A01-3656-01 METALLIC CABINET E35-2294-05 FLAT CABLE (17P)
  • Page 41 www.denom.net 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 www.denom.net 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 www.denom.net 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 44 www.denom.net 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 www.denom.net 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 46 www.denom.net 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 47 www.denom.net 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 48 www.denom.net 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 49 www.denom.net 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 50 www.denom.net 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 51: 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. "6" does all models of RXD-652,-652E, and -652W. Add-...
  • Page 52: Specifications

    Dimensions ........... W : 280 mm H : 330 mm D : 386 mm Weight (net) ............11.1 kg 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).
  • Page 53: Main Unit

    Tuning frequency range ....153 kHz ~ 279 kHz SW Tuner section (XD-772S only) Tuning frequency range ....5.9 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.Sufficient performance may not be possible at very low temperatures (0¡C or less).
  • Page 54 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.

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