background image

COMPACT Hi-Fi COMPONENT SYSTEM

RXD-M47MP

SERVICE MANUAL

(HM-437MP)

© 2004-10 PRINTED IN KOREA
B51-5934-00 (K/K) 715

70%

In compliance with Federal Regulations,  following are repro-
duction of labels on, or inside the product relating to laser
product safety.

KENWOOD Corp. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock defeated. 
AVOID DIRECT EXPOSURE TO BEAM.

Caution

: No connection of ground line if disassemble 

the unit.  Please connect the ground line on 

rear panel, PCBs, Chassis and some others.

CD cover ass’y
(F07-2030-08)

Phone jack
(E63-1365-08)

Power knob
(K29-8426-08)

Display/Rec. knob
(K29-8428-08)

Search knob
(K29-8430-08)

Cass lid ass’y
(A53-2455-08)

Front cabinet
(A60-2427-08)

Volume knob
(K29-8429-08)

CD/Tuner/Tape knob
(K29-8431-08)

EQ/Bass knob
(K29-8427-08)

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

Summary of Contents for RXD-M47MP

Page 1: ...ted AVOID DIRECT EXPOSURE TO BEAM Caution No connection of ground line if disassemble the unit Please connect the ground line on rear panel PCBs Chassis and some others CD cover ass y F07 2030 08 Phone jack E63 1365 08 Power knob K29 8426 08 Display Rec knob K29 8428 08 Search knob K29 8430 08 Cass lid ass y A53 2455 08 Front cabinet A60 2427 08 Volume knob K29 8429 08 CD Tuner Tape knob K29 8431 ...

Page 2: ... KLASS 1 LASERAPPARAT Resetting the Microcomputer The microcomputer may malfunction unit can not be operated or shows an erroneous dis play if the power cord is unplugged while the power is ON or due to some other external factor If this happens execute the following procedure to reset the microcomputer and re turn the unit to its normal operating condition Please note that resetting the microcomp...

Page 3: ...na cover F07 2029 08 Speaker terminal E70 0196 08 AC power cord E30 7343 08 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 ...

Page 4: ...ake up torque 35 to 70 g cm Rewind torque 50 g cm min Fast forward torque 50 g cm min Pinch Wheel Pressure No adjustment to the pinch roller spring is necessary It should be sufficient to give at least 40 g cm pull force Tape Head Servicing Each time the unit is serviced the face of all heads should be thoroughly cleaned with denatured alcohol or commercial head cleaning solution The playback head...

Page 5: ... test tape Teac MTT 1141V or Equivalent into the tape mechanism and play it back 3 While playing back the test tape slowly turn the azimuth adjusting screw until the amplitude of both channel output waveforms is maximum and in phase See Figure 2 4 Secure the azimuth screw in place with glue or paint after making the adjustment Figure 2 Head Output Signal www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2...

Page 6: ... until the frequency counter indicates 2940 Hz to 3090 Hz Bias Oscillator Frequency and Level Adjustment 1 Set the function switch to TAPE and the record and play tape mechanism to RECORD 2 Connect a VTVM and frequency counter to test point R P HEAD 3 Adjust bias oscillator coil T360 until the frequency counter indicates 81 kHz 0 5 kHz 4 Confirm the record head voltage equal to 6 12V 5 Confirm the...

Page 7: ...30 mod High end Same as step 2 Confirm Vt 6 5 8 5V 4 612 kHz 1 kHz 30 mod 612 kHz Same as step 1 T203 Maximum output 5 1404 kHz 1 kHz 30 mod 1404 kHz Same as step 1 VC201 Maximum output 6 Repeat steps 4 and 5 to minimize tracking error 7 999 kHz 1 kHz 30 mod 999 kHz Same as step 1 Offset is less than 6 dB 60 cm AM SIGNAL GENERATOR AM LOOP ANT AM LOOP ANTENNA DUMMY LOAD TEST UNIT VTVM R OUT L OUT G...

Page 8: ... 7 9V 3 90 1 MHz 90 1 MHz Connect oscilloscope or VT VM to speaker jack L204 Adjust until Maximum output 4 106 1 MHz 106 1 MHz Same as step 3 VC202 Adjust until maximum output 5 Repeat steps 3 and 4 to minimize tracking error FM GENERATOR DUMMY ANTENNA TP1 TEST UNIT OSCILLOSCOPE DUMMY LOAD VTVM R OUT L OUT GND Figure 7 FM Band Tracking GROUND METER Vt DC TEST UNIT www xiaoyu163 com QQ376315150 9 9...

Page 9: ...25 R1 R149 R113 R112 R148 R123 R124 C111 R3 R128 R129 R130 R131 R132 R133 R134 C116 C119 C105 C016 R2 R114 C114 R5 C120 J6 1 3 J21 R116 R122 J22 J18 R102 J1 J19 J16 J20 J23 J24 J25 J2 J3 J5 J9 J10 R147 J7 X102 X101 C101 C103 J8 C109 J15 J12 J14 J17 J13 R146 L101 J4 R111 J11 40 1 10 1 8 1 8 5 1 1 3 1 3 9 1 6 1 1 E B B E B E E C E C R150 R160 R169 R170 R171 R172 R151 R152 R153 R154 R155 R168 R156 R1...

Page 10: ... R739 R736 R737 R746 R744 R735 R785 R784 R782 C775 R781 R783 R718 R703 R704 R716 C750 R701 R741 C758 C756 R749 C745 C755 R751 C760 R773 R801 R720 C787 C758 C784 C786 C757 C726 C730 C725 C771 C772 C773 C774 C776 C743 C728 R727 C727 R721 C742 R726 C731 C732 C789 C729 R802 R734 C764 R757 R758 C761 R755 C762 R754 C765 R753 R752 C759 C763 R719 R800 R728 R795 R796 R798 R740 R797 C721 R756 R803 R804 C769...

Page 11: ...R804 C801 C621 C617 C615 C611 C607 C605 C603 C281 C601 C631 R623 R621 R320 C340 R312 C336 C350 R316 L302 C320 C302 C301 R311 C319 C335 R315 C324 R304 R336 TP10 TP9 R822 R818 R817 C333 R335 R330 R331 R346 R338 R332 R340 C316 C360 R302 R318 R317 C323 R361 C364 R360 R301 R303 C308 R306 R307 C339 R308 R319 R305 C307 C309 TP7 C321 L301 TP11 MGND C365 R364 C362 R362 C361 C363 R365 C366 TP13 TP8 R220 R20...

Page 12: ...4 5 6 7 8 9 10 11 12 13 14 15 16 VSSX XO XI VDDX CK0 VDDP VCOI PDO VSSP IO7 IO6 IO5 VDD IO4 IO3 IO2 VSS IO1 IO0 AD15 AD16 WR AD14 AD13 VSS REQ AD6 AD7 AD8 VDDT AD9 AD10 DE VDD STANDBY VSS VSSL VRAL LO VDAL VDAR RO VRAR VSSR TESTP CKS AD12 AD11 RESET MMD AD0 AD1 SDA SCL AD2 VDDT SDO AD3 AD4 SDIO BCKIA LRCKIA AD5 CE 3 4 10 11 15 16 7 10K R752 10K R753 0 022 C759 5 7 8 17 C755 0 022 10K R751 47u16 C7...

Page 13: ...0K 180K 300K 180K 180K 300K 180K 300K 2 2K R353 100u16 C303 100 R305 0 018 C307 6 8K R307 470 R309 100u16 C313 1 C311 1 C309 3K R348 3K R347 100K R324 100K R323 1M R339 47u16 C317 10K R327 10K R328 C326 47MH L302 15K R316 82P C322 1000P C320 10K R312 100u16 C304 100 R306 6 8K R308 0 018 C308 470 R310 100u16 C314 2 2u50 C315 1 C310 1000P C302 1000P C301 4 7K R320 4 7K R319 0 022 C324 150P R318 220K...

Page 14: ...12 R113 10K 10 CD RW RST CCE BUCK BUS0 BUS1 BUS2 BUS3 SLT CLT 9 8 7 6 5 4 3 2 1 SI2 SO2 SCK2 6 7 8 WAIT RESET BOOT 3 4 5 GND 5V 1 2 VOL STB VOL DATA VOL CLK 1 3 2 1 MUTE 7 PSW GND BIAS CONT 8 9 PLAY REC 5 6V 12V L V DET 4 6 5 3 5V 2 16 45 22 8 R146 10K 47uH L101 R108 1K 21 R109 10K 24 R110 1K 25 10K R116 4 7K R115 0 022 C112 100K R117 100K R125 R118 100K 4 7K R119 27 0 022 C113 100K R121 10K R120 ...

Page 15: ...6 754 712 723 710 776 643 627 644 646x2 645x2 672x2 672x2 678 678 629 642 615 616 718 614 613 617 660 665 724 666 603 605 604 661 607 608 642 667 700 651 651 652 658 650 L902 649 641 634 631 635 637 638 636 632 630 640 675 673 674 A E D D B B B B E A F F E 726 725 E E E A A A A A B E E E D E F F E B B D D D D Dx2 Bx2 Bx2 Bx2 Ex2 Ax2 Ax2 Ax2 Bx7 Ax2 Ax2 Gx2 Gx2 Fx2 Fx2 Ex2 Ex2 651x2 1 2 A C B Parts...

Page 16: ...00337 06 603 2A A53 2455 08 Cass Lid Assy 00 00337 12 604 2A G01 4373 08 Cass Lid Sprin 36 00337 00 605 2A A53 2452 08 Cass Lid Brack 48 00337 00 607 2A A60 2427 08 Front Cabinet 00 00337 13 608 2A K29 8426 08 Power Knob 53 00337 01 613 2A B38 0275 08 LCD 80724TT P 91 00437 01 614 2A B11 1611 08 LCD Filter 43 00337 05 615 2A B19 1670 08 Light Guide 43 00337 03 616 2A B11 1610 08 Light Guide Pa 68 ...

Page 17: ...S Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C251 252 CK73GB1H104Z CHIP C 0 10UF Z C253 CC73GCH1H271J CHIP C 270PF J C254 CE04KW1H2R2M ELECTRO 2 2UF 50WV C255 CK73GB1H561K CHIP C 560PF K C256 CK73GB1H473K CHIP C 0 047UF K C257 CE04KW1A101M ELECTRO 100UF 10WV C258 259 CC73GCH1H510J CHIP ...

Page 18: ...Ref No Add ress New Parts Parts No Description Desti nation Re marks R202 RK73GB1J154J CHIP R 150K J 1 16W R203 RK73GB1J102J CHIP R 1 0K J 1 16W R204 RK73GB1J100J CHIP R 10 J 1 16W R205 RK73GB1J274J CHIP R 270K J 1 16W R206 RK73GB1J152J CHIP R 1 5K J 1 16W R207 RK73GB1J103J CHIP R 10K J 1 16W R208 RK73GB1J334J CHIP R 330K J 1 16W R209 210 RK73GB1J100J CHIP R 10 J 1 16W R211 212 RK73GB1J123J CHIP R...

Page 19: ...Desti nation Re marks Q360 8050 Transistor 805 01 08050 06 Q601 602 9014 Transistor 901 01 09014 05 Q801 802 8050 Transistor 805 01 08050 06 Q803 KTD2058Y Transistor KTD 01 02058 00 Q804 8550D Transistor 855 01 08550 05B Q805 8050 Transistor 805 01 08050 06 Q806 KTD2058Y Transistor KTD 01 02058 00 U201 TA2104AFN IC TA2104AFN 03 02104 02 U250 BU1924F IC BU1924F 03 01924 00 U260 TC9257F IC TC9257F 0...

Page 20: ...Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R143 145 RK73GB1J102J CHIP R 1 0K J 1 16W R148 149 RK73GB1J103J CHIP R 10K J 1 16W R174 RK73GB1J222J CHIP R 2 2K J 1 16W D101 103 1N4148 Diode 1N4148 02 04148 00W D107 1N4148 Diode 1N4148 02 04148 00W Q101 9014 Transistor 901 01 09014 05 Q103 8550D Transistor 855 01 08550 04B Q104 9013G ...

Page 21: ... 10K J 1 16W R804 RK73GB1J273J CHIP R 27K J 1 16W Q701 704 8050 Transistor 805 01 08050 06 Q705 8550 Transistor 855 01 08550 06 Q706 707 8050 Transistor 805 01 08050 06 U700 TC94A02F 007 IC TC94A02F 00 03 09402 01 U701 TC9462F IC TC9462F 03 09462 00 U702 NJM7805FA IC VOLTAGE REGULATOR U703 TA2092N IC TA2092N TOS 03 02092 00 U704 TA2153FN IC TA2153FN TO 03 02153 00 U705 AS7C31024 15 IC AS7C31024 1 ...

Page 22: ...s W 145mm 5 11 16 H 210 mm 8 1 4 D 227 mm 8 15 16 Weight net 2 8 kg 6 2 lb Speakers Enclosure Bass reflex type Speaker configuration Woofer 100 mm cone type Impedance 4 Ω Maximum input level 5 W Dimensions W 130 mm 5 1 8 H 208 mm 8 3 16 D 161 mm 6 5 16 Weight net 1 2 kg 2 7 lb 1 piece Notes KENWOOD follows a policy of continuous advance ments in development For this reason specifications may be ch...

Reviews: