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Kenwood RDX-652 Service Manual
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Kenwood RDX-652 Service Manual

Kenwood RDX-652 Service Manual

Mini hi-fi component system
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Table of Contents

MINI HiFi COMPONENT SYSTEM
RXD-652/652E/652W/702/702E/702W/752/752E/
QQ
3 7 63 1515 0
RXD-752W/772S/852/852E/852W/A81/A601/A701
SERVICE MANUAL
(XD-652~A701) **
Phone jack
(E11-0280-05)
TE
L 13942296513
Cassette lid assy(L) *
(A53-)
Panel assy *
(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 *
Knob *
(K29-)
(K29-)
STANDBY
TIMER
ON/STANDBY
MIC VOL.
MIC VOL
C
BACK
MIN.
MAX.
MIC
MENU
PHONES
0
PUSH
OPEN
AUTO REVERSE
A
PLAY
DIRECT PROGRAM SEARCH SYSTEM
1
REV. MODE
TAPE EQ.
DISC
SKIP
1
2
DISC
DISC
x
ao
u163
y
i
2 9
8
Front glass*
(B10-)
MINI HI-FI COMPONENT SYSTEM
XD-552
PRO LOGIC 3 STEREO
VIRTUAL
DISPLAY
INPUT
/DEMO
SELECT
Q Q
EX.BASS
3
6 7
1 3
ENTER
DOWN
AUTO REVERSE
DIRECT PROGRAM SEARCH SYSTEM
@
&
#
¡
A
B
^
&
3
DISC
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
© 1999-3/B51-5517-00 (K/K) 3590
BAND
TUNING MODE
DOWN
VOLUME
CONTROL
Knob *
(K29-)
UP
1 5
0 5
8
2 9
9 4
UP
0
PUSH
OPEN
Cassette lid assy (R) *
REC/
B
PLAY
(A53-)
REC/ARM
0
OPEN
Panel assy(CD) *
(A29-)
m
* Refer to parts list on page 55~.
co
9 9
2 8
9 9

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Summary of Contents for Kenwood RDX-652

  • 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-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 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 FM indoor antenna (1)

  • Page 3: External View/Disassembly For Repair

    RXD-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 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)
  • Page 4 www.denom.net 3 7 6 3 1 5 1 5 0 CD MECHA. (X13) MGC-E9001 IC3 (T,E,Q TYPE ONLY) DATA M30622MC-525FP SAA6579T/R u-COM IC TUNER ANT. CXD2587Q MODULE DEMODULATOR DSP.SERVO. RF.FE.TE CXA1571M (X04) RF AMP Q301-303, EXCEPT 16.93MHZ DATA 10MHz 32.768KHz 305-307 USED LATch...

  • Page 5: Circuit Description

    RXD-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 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 3 7 63 1515 0 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 RXD-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 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 X13(IC7)
  • Page 8 RXD-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 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 ENC1,2...

  • Page 9: Adjustment

    RXD-652/702/752/772S/852/A81/A601/A701 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) counter to VCO monitor VR 2 69 MHz...
  • Page 10 RXD-652/702/752/772S/852/A81/A601/A701 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. On the power from.0.05 to 0.15mw.
  • Page 11 RXD-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 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 www.denom.net 3 7 6 3 1 5 1 5 0 SUB-CIRCUIT UNIT DISPLAY UNIT (FL) (X14-) (B/6) (X13-76XX-XX) A-HEAD RECORD/PLAYBACK UNIT (X14-493X-XX) (A/6) FM75 (VOL) (X28-298X-XX) RXD-A601 (X13-7630-11) RXD-A81 (X13-7640-10) DESTINATION DESTINATION UNIT No. UNIT No. RXD-A601 (X14-4930-11) RXD-852E (X14-4932-71) COUNTRY ABB.

  • Page 13: Parts Descriptions

    RXD-652/702/752/772S/852/A81/A601/A701 3 7 63 1515 0 PARTS DESCRIPTIONS L 13942296513 u163...

  • Page 14: Pc Board

    PC BOARD(Component side view) 3 7 63 1515 0 MPX UNIT X04-1313-8X L 13942296513 u163 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 15 PC BOARD(Component side view) 3 7 6 3 1 5 1 5 0 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 1 3 9 4 2 2 9 6 5 1 3 CN11 CN12 +5.6V AVR...
  • Page 16 PC BOARD(Component side view) 3 7 6 3 1 5 1 5 0 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 1 3 9 4 2 2 9 6 5 1 3 W105 R100 R104...
  • Page 17 PC BOARD(Component side view) SUB-CIRCUIT UNIT 3 7 6 3 1 5 1 5 0 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...
  • Page 18 PC BOARD(Component side view) SUB-CIRCUIT UNIT 3 7 6 3 1 5 1 5 0 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...
  • Page 19 PC BOARD(Component side view) 3 7 6 3 1 5 1 5 0 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.
  • Page 20 www.denom.net 3 7 6 3 1 5 1 5 0 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...
  • Page 21 www.denom.net TUNER PACK (W02-2675-05) : (Q)TYPE 3 7 6 3 1 5 1 5 0 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...
  • Page 22 www.denom.net 3 7 6 3 1 5 1 5 0 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 L 1 3 9 4 2 2 9 6 5 1 3 4.7K TR14 X13- AM ANT...
  • Page 23 RECORD/PLAYBACK UNIT (X28-298X-XX) 3 7 63 1515 0 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...
  • Page 24 (X28-298X-XX) 3 7 6 3 1 5 1 5 0 RXD-A601 (X28-2980-11) DESTINATION 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.
  • Page 25 X28- SUB-CIRCUIT UNIT (X13-76XX-XX) (X04-1313-84) MPX UNIT (Q) TYPE ONLY IC8,9 TRUE TABLE 3 7 6 3 1 5 1 5 0 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...
  • Page 26 (X13-76XX-XX) 3 7 6 3 1 5 1 5 0 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...
  • Page 27 3 7 6 3 1 5 1 5 0 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...
  • Page 28 MODULATION X07-A/2 MODE CARRIER ANT INPUT -CN1 FREQUENCY DEVIATION 3 7 6 3 1 5 1 5 0 98MHz 1kHz STEREO 67.5kHz 7.5kHz(Pilot) 60dB 1000(999)kHz 400Hz MONO 30% MOD 60dB RXD-A601 (X13-7630-11) DESTINATION The DC voltage is an actual reading measured with a high R21-23,30,215,217,363,364, R341, R367,379-382,...
  • Page 29 POWER AMPLIFIER UNIT (X07-304X-XX) (A/2) : NJM4565D-D 3 7 6 3 1 5 1 5 0 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)
  • Page 30 (X07-304X-XX) (A/2) MODEL MODEL 3 7 6 3 1 5 1 5 0 RXD-652/E/W -42.7V -42.7V 42.6V -41.5V 41.5V -40.2V RXD-702/E/W RXD-852/E/W -49.6V -49.6V 49.7V -34.4V 48.4V -33.2V RXD-752/E/W 50.3V 24.4V 25.0V 18.3V -18.4V -25.1V -50.3V -24.5V -24.5V -24.5V -34.2V 48.7V -32.9V 0V 0V 0V 0V...
  • Page 31 RXD-A601 (X00-2940-11) DESTINATION CN5,6, CN9, W17, W39, CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts C20, R21, UNIT No. D1,3 S1,2 C3,4 C34,35 26,38 COUNTRY ABB. 11,12 (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only U.S.A KTA1273 or D4SBL20UF03 or...
  • Page 32 RXD-A81 (X00-2940-12) DESTINATION CN5,6, W17,19, R21, C20, UNIT No. C3,4 C34,35 D1,3 25,38 39,43 COUNTRY ABB. 9-12 3 7 63 1515 0 U.S.A KTA1273 or 0-12 L07-2654-05 3300u25 1000u25 4700u75 3300u42 D4SBL20UF03 1/4W 2SA1534A(R,S) 125V CANADA RXD-752 (X00-294X-XX) DESTINATION CN5, CN9- W17, W39,...
  • Page 33 X13- DISPLAY UNIT : FL (X14-493X-XX) (A/6) ED1 BIG (SVA-15MM13) 3 7 63 1515 0 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...
  • Page 34 RXD-A601 (X14-4930-11) (X14-493X-XX) (A/6) DESTINATION D53, R70,76, R71, UNIT No. COUNTRY ABB. U.S.A MTZJ5.6(B) or 0-11 SMALL 3 7 6 3 1 5 1 5 0 ED1 SMALL (BJ665GK) CANADA HZS5.6N(B2) RXD-652 (X14-493X-XX) DESTINATION D53, R70,76, R71, UNIT No. COUNTRY ABB.

  • Page 35: Exploded View

    RXD-652/702/752/772S/852/A81/A601/A701 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 36 RXD-652/702/752/772S/852/A81/A601/A701 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 WASHER : N19-1490-08 WASHER...
  • Page 37 www.denom.net 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...
  • Page 38 www.denom.net 3 7 6 3 1 5 1 5 0 SURROUND SURROUND SPEAKERS SUPER WOOFER SPEAKERS X13-763/764 ANTENNA SURROUND SPEAKERS CENTER SPEAKERS OUTPUT OPTICAL A501 BAND TUNING MODE (B/2) AC110- AC220- DISPLAY 120V 240V SELECT INPUT /DEMO X14-498 (A/6) X00-294 (A/5) ENTER EX.BASS...
  • Page 39 www.denom.net 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 40 www.denom.net New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. 3 7 6 3 1 5 1 5 0 Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No.
  • Page 41 www.denom.net 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 42 www.denom.net 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 43 www.denom.net 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 www.denom.net 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 45 www.denom.net 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 46 www.denom.net 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 47 www.denom.net 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 48 www.denom.net 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 49 www.denom.net 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 50 www.denom.net 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 51: Parts List

    www.denom.net 3 7 6 3 1 5 1 5 0 HOW TO READ THE PARTS LIST New Parts Parts without Parts No. are not supplied. Destination and Remarks coumns have the abbreviation for the sale country and model. ∞ Les articles non mentionnes dans le Parts No. ne sont pas fournis. Letters in the destination mean the country.

  • Page 52: Specifications

    H : 330 mm D : 386 mm Weight (net) ............11.1 kg u163 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 u163 1.KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes...
  • 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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