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Kenwood RXD-M37-L Service Manual

Compact hi-fi component system
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COMPACT Hi-Fi COMPONENT SYSTEM
RXD-M37-L/M37-S
QQ
3 7 63 1515 0
SERVICE MANUAL
(HM-337)
CD cover assy
(F07-2028-08)
Power knob
(K29-8426-08)
TE
L 13942296513
Display/Rec knob
(K29-8428-08)
Search knob
(K29-8430-08)
Cass. Lid assy
(A53-2451-08)
www
In compliance with Federal Regulations, following are repro-
.
duction of labels on, or inside the product relating to laser
product safety.
Caution : No connection of ground line if disassemble
the unit. Please connect the ground line on
rear panel, PCBs, Chassis and some others.
x
ao
u163
y
i
2 9
8
Q Q
3
6 7
1 3
1 5
co
* Refer to parts list on page 18.
.
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.
9 4
2 8
© 2004-8 PRINTED IN KOREA
B51-5918-00 (K/K) 339
EQ/BASS knob
(K29-8427-08)
0 5
8
2 9
9 4
2 8
Knob
(K29-8431-08)
Volume knob
(K29-8429-08)
Front cab. assy *
(A60-)
m
9 9
9 9
70%
70%

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  Summary of Contents for Kenwood RXD-M37-L

  • Page 1 * Refer to parts list on page 18. 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. Caution : No connection of ground line if disassemble the unit.
  • Page 2: Table Of Contents

    RXD-M37 CONTENTS / ACCESSORIES / CAUTIONS 3 7 63 1515 0 CONTENTS CONTENTS / ACCESSORIES / CAUTIONS....2 SCHEMATIC DIAGRAM ..........12 EXTERNAL VIEW ............3 EXPLODED VIEW .............17 ADJUSTMENT .............4 PARTS LIST...............18 PC BOARD ..............8 SPECIFICATIONS........BACK COVER ACCESSORIES Batteries (R6/AA) (2) AC plug adapter (1) Remote control unit (1) AM loop antenna (1) ANT TERMI CVR...
  • Page 3: External View

    3 7 63 1515 0 EXTERNAL VIEW Rear cab. (A80-4503-08) Voltage selector * (S62-0124-08) L 13942296513 Rubber foot (G11-2957-08) <Bottom view> * Refer to parts list on page 18. System configuration SYSTEM RECEIVER SPEAKERS HM-337-L RXD-M37-L LS-M37-L HM-337-S RXD-M37-S LS-M37-S u163...
  • Page 4: Adjustment

    RXD-M37 3 7 63 1515 0 ADJUSTMENT SERVICE ADJUSTMENT Lubrication The mechanical parts are factory coated with a thin coat of light grease and should not require further lubrication. If a light grease is applied, be careful not to get any grease on the play/record head or erase head, hubs, pulleys, tapes reels, drive belts, or switches.
  • Page 5 RXD-M37 3 7 63 1515 0 ADJUSTMENT 2. Insert a 10 kHz 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.
  • Page 6 RXD-M37 3 7 63 1515 0 ADJUSTMENT TUNER ALIGNMENT PROCEDURE Equipment needed: 1. AM Signal generator 2. FM Signal generator 3. DC Voltage meter 4. Oscilloscope 5. Output meter (VTVM) AM Alignment Step S/G Frequency Dial Setting Indicator Adjust Remarks 450 kHz (1 kHz 30% mod.) 612 kHz Connect...
  • Page 7 RXD-M37 3 7 63 1515 0 ADJUSTMENT FM Alignment: TEST UNIT GROUND METER Figure 6. FM Band Frequency Coverage Alignment Connect FM S/G to ANT inputs (mod 1 kHz 22.5kHz dev.) Step S/G Frequency Dial Setting Indicator Adjust Remarks 87.5 MHz Low end Connect DC voltage L203...
  • Page 8: Pc Board

    PC BOARD (Component side view) 3 7 63 1515 0 FRONT KEY SW107 POWER SW100 LED182 LED181 CN110 SW101 Q182 CN112 TUNER LED180 /BAND R169 R170 R171 SW102 R172 R161 C118 C117 C180 TAPE CN111 SW113 TIME SET TIMER ON/OFF SW109 SW108 SW103...
  • Page 9 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 SPEAKERS AM ANT CN801 R811 R812 C821 C822 POWER CN802 CN202 R903 MAIN C902 FM ANT ZD901 R902 C813 C200 C901 C904 Q902 R901 C907 D907 C815 C908 CN201...
  • Page 10 PC BOARD (Component side view) 3 7 63 1515 0 CD SERVO CN702 C733 C754 C735 J701 J703 R743 C747 R757 R744 C751 C719 R758 R745 R746 R722 R728 R760 C744 R723 R717 R759 C748 C716 R747 R735 X701 C746 R725 C710 C753...
  • Page 11 RXD-M37 3 7 63 1515 0 CD DECK CN703 +8.5V CN706 C730 C726 (BOTTOM VIEW) CN705 U701 : TC9462F U703 U702 : TA2153FN U703 : TA2092N PICKUP BUS 3 CN704 DISPLAY- Q701,702 : 8050D BUS 2 CN105 Q703,705 : 8550D BUS 1 Q704 : 2SC1383R...
  • Page 12 RXD-M37 MAIN 3 7 6 3 1 5 1 5 0 C237 (E)TYPE U250 R229 ONLY 100K C238 RCLK 390P QUAL R259 U801 R DATA R801 C803 VD201 C206 0.47u50 C254 0.022 X250 HEADPHONE 2.2u50 T203 R257 C253 R803 R813 VREF C809 R807...
  • Page 13 RXD-M37 3 7 6 3 1 5 1 5 0 COM/PIN # COM-0 COM0 ROCK COM1 COM-1 CLASSIC COM2 COM-2 COM-3 COM3 P( ) JAZZ DISPLAY LCD101 +5.6V +5.6V VSS2 LCD15 SEG10 LCD14 SEG9 BOOT R140 22 R141 LCD13 SEG8 VAREF LCD12 SEG7...
  • Page 14 3 7 6 3 1 5 1 5 0 φ2.6x8 : N89-2608-46 φ2.6x10 : N89-2610-46 φ3x6(F) : N32-3006-46 φ3x8 : N89-3008-46 φ3x10 : N89-3010-46 SPEAKERS φ2x5(BLK) : N89-2005-45 CN802 φ3x12 : N89-3012-46 POWER SW100 SW107 TUNER repeat program p.call SW101 X-bass SW114 SW115...
  • Page 15 Description Ref. No Parts No. ress Parts nation marks nation marks ress Parts ✻ F07-2029-08 ANT TERMI CVR 48-04200-50 RXD-M37-L/M37-S T90-0908-08 AM ANTENNA 23-04910-02 ✻ A70-1690-08 REMOTE CONTROL V-RE-KEN337 ✻ B60-5466-08 INSTRUCTION(E) 88-00337-07 ✻ A70-1691-08 REMOTE CONTROL M-RE-KEN337 ✻ B60-5467-08...
  • Page 16 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 17 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 18 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 19 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 20: Parts List

    (For other countries) ...... 530 kHz ~ 1,610 kHz Notes: CD player section • KENWOOD follows a policy of continuous advancements in Laser ........... Semiconductor laser development. For this reason specifications may be changed without Over sampling ..........8 fs (352.8 Hz) notice.

This manual is also suitable for:

Rxd-m37-s