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Kenwood RD-HD5MD Service Manual
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Kenwood RD-HD5MD Service Manual

Micro hi-fi component system
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MICRO Hi-Fi COMPONENT SYSTEM
RD-HD5MD/HD7
SERVICE MANUAL
(HD-5MD/HD-7)
Door(MD)
(A52-0989-08)
Window *
(B10-3934-08)
Panel *
(A60-)
Cabinet *
(A01-)
Module
(W02-2802-05)
Module
(W02-2803-05)
Ter,RCA
(E63-0187-08)
Ter,RCA
(E63-1181-08)
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.
Tuner *
SW, Push block
(W02-)
(E21-0041-08)
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.
© 2002-11 PRINTED IN KOREA
B51-5835-00 (K/K) 3430
SW, Slide *
(S62-0098-08)
* Refer to parts list on page 41.
Illust. is RD-HD5MD.
Knob(VOLUME)
(K29-8275-08)
Button
(K29-8274-08)
Jack,D3.5
(E11-0969-08)
Cord ass'y *
(E30-)
Stopper(AC cord)
(J42-0355-08)
70%

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Summary of Contents for Kenwood RD-HD5MD

  • Page 1 * Refer to parts list on page 41. Illust. is RD-HD5MD. In compliance with Federal Regulations, following are repro- KENWOOD Corp. certifies this equipment conforms to DHHS duction of labels on, or inside the product relating to laser Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

  • Page 2: Table Of Contents

    AM loop antenna (1) FM indoor antenna (1) Remote control unit (1) Batteries (R6/AA) (2) (T90-0903-08) (T90-0904-08) (A70-1625-08): RD-HD5MD(T) (A70-1626-08): RD-HD5MD(M), RD-HD7(V) (A70-1629-08): RD-HD7(E,T) (A70-1630-08): RD-HD7(K) Cautions Memory backup function Caution on condensation Condensation (of dew) may occur inside the unit when...

  • Page 3: External View

    RD-HD5MD/HD7 EXTERNAL VIEW Window * (B10-) Knob * (K29-) tuning Knob * (K29-8274-08) Window (B11-1573-08) Front panel * (A60-) Phone jack (E11-0969-08) * Refer to parts list on page 41. Illust. is RD-HD7. SYSTEM CONFIGURATION SYSTEM NAME RECEIVER SPEAKER HD-5MD...

  • Page 4: Disassembly For Repair / Adjustment

    RD-HD5MD/HD7 DISASSEMBLY FOR REPAIR / ADJUSTMENT DISASSEMBLY FOR REPAIR How to open the tray if it does not come out. 1. Turn the gear in the direction of the arrow using a bamboo stick and so on in the drawing through the hole on the loading chassis bottom.

  • Page 5: Circuit Description

    RD-HD5MD/HD7 CIRCUIT DESCRIPTION 1. Initializing 2. Test Mode 1-1 Initializing Method 2-1 Setting method of the Test Mode • While holding down the [SET] key, plugged in the Test Mode Keys Setting Method power cord to AC power wall outlet.
  • Page 6 RD-HD5MD/HD7 CIRCUIT DESCRIPTION 4-2 Precaution on handling of Optical pick-up 4-6 Laser Power Check and Adjustment (KMS-260B) Laser power setting in playback and recording modes. The laser diode in an optical pick-up is easy to be sub- Preparation ject to electrostatic destruction. Therefore, solder-bridge 1.
  • Page 7 RD-HD5MD/HD7 CIRCUIT DESCRIPTION 1. Recordable Disc Display/Function Display/Function save the data in E2PROM. Connect the oscilloscope to TE1 and VC in X33 pcb Next step TE B. MO-P (Automatic Adjustment Mode Indication) 2 Volume/ Select [EFBAL ADJU] =Low Reflection • PIT multi-control •...
  • Page 8 RD-HD5MD/HD7 CIRCUIT DESCRIPTION 5. Pin Description of Microprocessor Pin No. Pin Name Pin Description PLL DATA Data output to PLL IC. PLL CLK Clock output to PLL IC. FAN CONTROL Unused. SYS DATA Data output to M61510FP (IC204) and M62429P (IC203).
  • Page 9 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Pin No. Pin Name Pin Description CD SW4 Unclamp switch (SW4) input of CD mechanism. CD SW5 T.U High-A switch (SW5) input of CD mechanism. CD SW7 Holder Home switch (SW7) input of CD mechanism. CD SW6 T.U High-B switch (SW6) input of CD mechanism.
  • Page 10 RD-HD5MD/HD7 CIRCUIT DESCRIPTION 6. Pin Description of IC's 6-1 Power Amplifier : STK402 (IC1) RD-HD5MD only Pin No. Pin Name Pin Description Main Rch input Main Rch feed back Unused PVCC+ Pre power supply (+B) BIAS Bias connection pin VE1+...
  • Page 11 RD-HD5MD/HD7 CIRCUIT DESCRIPTION 6-3 Rec Amplifier : BA6138 (IC205) Pin No. Pin Name Pin Description MUTE Mute control pin(Unused) OUT1 L ch output DET1 Unused Input of REC output (L ch) Input of REC output (R ch) DET2 Unused OUT2 R ch output Power supply (+5.0V)
  • Page 12 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Active Pin No. Pin Name Pin Description TRCRS Track cross signal input pin (analog input). RFDET RF detector signal input pin. Detected Drop out signal input. Drop Out LDON Laser on signal output. PLLF2 I/O PLL loop filter switching pin.
  • Page 13 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Active Pin No. Pin Name Pin Description Designation of oscillation frequency. CSEL H : f = 33.8688MHz L : f = 16.9344MHz Test pin (Normal : L ) when IOSEL is H. PSEL SRDATA input when IOSEL is L.
  • Page 14 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Pin No. Pin Name Pin Description OSCN Control for feedback resistor and inverter inside oscillation circuit. VSIO0 I/O GND. OSCI pin input frequency switching. 512Fs (22.5792MHz) when XTSL 1 (command) =low and XTSL = high. XTSL 1024Fs (45.1584MHz) when XTSL 1 = low and XTSL = low.
  • Page 15 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Pin No. Pin Name Pin Description ADRT Voltage input for the upper limit of the A/D converter operating range. ADRB Voltage input for the lower limit of the A/D converter operating range. Sled error signal input. Tracking error signal input.
  • Page 16 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Active Port No. Port Name Description F0CNT Internal current setting pin. VREF Reference voltage output (unused). EQADJ I/O Center frequency setting pin for EQ. 3TADJ I/O Center frequency setting pin for BPF3T. Power supply. WBLADJ I/O Center frequency setting pin for BPF22.
  • Page 17 RD-HD5MD/HD7 CIRCUIT DESCRIPTION Pin No. Pin Name Pin Description OPIN3 (-) Inverted input of CH3 OP-AMP. OPIN3 (+) Not inverted input of CH3 OP-AMP. OPOUT4 Output of CH4 OP-AMP. OPIN4 (-) Inverted input of CH4 OP-AMP. OPIN4 (+) Not inverted input of CH4 OP-AMP.
  • Page 18 MD/EJECT R333 SW305 SW316 R334 SW315 J358 MENU J302 R302 R301 R303 LED301 C309 J301 CP301 FLT301 J303 R309 ZD301 Q302 Q301 STANDBY/TIMER J325 J312 J360 J326 POWER C307 J313 J317 C317 IC301 SW309 J314 J318 J356 J328 C314 VR301 R311 C311 J357...
  • Page 19 PC BOARD(Component side view) AMP BOARD (RD-HD5MD) POWER BOARD +9V,+5V REG BOARD +6.3V,+5V REG BOARD GND1 R132 IC102 IC104 IC101 IC103 J134 J138 J135 J140 R126 J117 CP110 CN115 CN116 CN111 WHITE CP111 Q104 C125 ZD103 ZD104 J156 C135 J115...

  • Page 20: Pc Board

    PC BOARD HEADPHONE AUDIO: SIDE A CONTROL SIDE A MD OPTION PART FROM CD MECHA BOARD CP302 RECEIVER PLATE D200 EEPROM WRITER JACK200 TO TUNER PACK FROM MD MECHA BOARD CP701 MD 5V CP203 Q201 CN502 R235 VOUT R290 MD OPTION PART CP201 CN206 C573...
  • Page 21 (X33-1320-00) (A/2) SPDL+ SPDL- SLED+ 3.3V +3.3V SLED- +2.6V +3.3V +3.3V 3.3V 2.6V LOAD + LOAD - AUDIO SERIAL DATA IN 3.3V C23 0.1 AUDIO SERIAL ADJUSTMENT DATA OUT IOP1 +3.3V IOP2 DRVDD1 2.6V DRVSS1 VDC1 +2.6V MEMORY IC +3.3V TEST0 XBCKI +3.3V...
  • Page 22 AJ-5 6.3V DGND 16.9344MHz N. C. AINL CLOCK DGND GENERATOR ANALOG AINR IN(Rch) MERST DATA N. C. R65 100 CRXD R66 100 CTXD R50 100 BACK UP V 3.3V +3.3V(OUT) +3.3V +3.3V +3.3V HGND 5.0V H+5V RD-HD5MD (1/4) RD-HD5MD/HD7 Y39-4540-10...
  • Page 23 MECHA ASS'Y (RD-HD5MD) 3CD-CHANGER CD SECTION 3.2V L501 R508 PTR2 10uH 2.2V FCS- FCS- COLLECTOR(2) 2.3V IC501 DISC ON TRK- TRK- 4.5V Q501 EMITTER (BOTTOM VIEW) SENSOR CD RF TRK+ TRK+ LD ON/OFF 3.8V FCS+ FCS+ CONT. DIGITAL-GND DIGITAL-GND 4.6V...
  • Page 24 A GND DIGITAL OUT SECTION C572 100u16 DIGITAL GND D/A CONVERTER AJ-2 LRCK R557 PCMD D+5V MD OPTION L502 22uH 5.0V D+5V D+5V DIGITAL +5V DIGITAL GND 9.0V 6.2V +6.3V +6.3V MOTOR +6.3V MOTOR +9V MOTOR GND RD-HD5MD/HD7(2/4) RD-HD5MD/HD7 Y39-4540-10...
  • Page 25 BC-6 MAIN- CN109 AUDIO SECTION CP205 1 2 3 4 5 6 7 8 9 10 4.9V C212 470u10 MOTOR GND(9V) MOTOR+9V 6.2V MOTOR+6.3V +6.3V +6.3V +6.3V MOTOR GND 4.9V ANALOG+5V +12V +12V ANALOG+12V +12V +12V +12V ANALOG-12V ANALOG GND SECTION 5.0V DIGITAL+5V...
  • Page 26 KEY 1 R744 4.7K C707 0.01 u-COM IC301 : M66005-001AFP R735 560 RECORDING LINE R792 560 BLUE LED CONT RD-HD5MD : M30624MGA149FP Q301-303 : KRC103S KEY 2 LOUDNESS DIGITAL LINE 100K R734 560 C708 0.01 RD-HD7/HD7MD : M30624MGA150FP ZD301 : MTZ6.2B...
  • Page 27 R160 10 1/4W L OUT -30.0V Q924 30.0V Q912 Q916 D902 R942 30.0V Q107 Q106 12 1/4W R141 AMP BOARD (RD-HD5MD ONLY) R143 4.7K 8.2K Q108 POWER SEL ch. 1 ch. 2 ZD106 BOARD D112 POWER CN108 Q109 28.8V SW101...
  • Page 28 RD-HD7 EXPLODED VIEW(SINGLE-CD): RD-HD7 φ3x10 : N89-3010-46 φ2x3 : N39-2025-46 12 10 RD-HD7 Parts with exploded numbers larger than 700 are not supplied.
  • Page 29 (5P) LFTM MGC-E6300 (16P)

  • Page 30: Exploded View

    RD-HD5MD EXPLODED VIEW(MD MECHANISM): RD-HD5MD LMMD DMMD FMMD RHMD PUMD MDM-07(H) Parts with exploded numbers larger than 700 are not supplied.
  • Page 31 : N89-4008-46 DIGITAL IN J200 DIGITAL OUT J201 PHONES JACK101 MENU SW315 SW316 POWER SW305 volume/multi control SW309 VR301 SOUND MD rec AUX/TAPE TUNER/BAND STOP SW310 SW311 SW312 SW301 SW302 SW303 SW304 SW313 SW314 SW317 SW318 SW319 RD-HD5MD SW320 SW321 SW322...
  • Page 32 REC OUT PLAY IN AUX IN J A CK 104 SUPER WOOFER PRE OUT SPEAKERS JACK102 JACK103 φ2.6x4 : N89-2604-46 φ3x6 : N89-3006-46 φ3x8 : N89-3008-46 φ3x8(BLK) : N89-3008-45 φ3x8 (F)BLK : N86-3008-45 758 758 φ3x12 : N89-3012-46 φ3x17 : N89-3017-46 φ3x16 : N09-2907-05 φ3x10...
  • Page 33 Parts No. Description Ref. No Parts No. Description ress Parts nation marks marks ress Parts nation E30-7257-08 CORD ASSY L06802003001C RD-HD5MD/HD7 Page 39&40 E30-7258-08 CORD ASSY L06804001101C ✽ E35-3476-08 CABLE,FLAT,13P L301111130010 ✽ B60-5270-08 INSTRUCTION,EN 5707047420030 ✽ 2F,1G E35-3477-08 CABLE,FLAT,39P L301221390010 ✽...
  • Page 34 TORSION SPRING(ZENEBA-B) T42-0817-08 FEED MOTOR ASSY G01-4003-08 TENSION SPRING(SWITCH) ✽ T42-1137-08 MOTOR,DC G01-4004-08 TENSION SPRING(CAM) T25-0132-08 PICK UP (KSS-213CH) 3 CD (RD-HD5MD) Page 28 G01-4005-08 COMPRESSION SPRING(FRICTION) G01-4187-04 TORSION SPRING(ASSIST-C) G01-4185-08 TORSION SPRING(ASSIST-B) A10-3352-08 CHASSIS(MAIN) G01-4009-08 COMPRESSION SPRING(CAM) D10-3719-08 SLIDER(LEFT-L)
  • Page 35 LD MOTOR ASSY ELECTRONIS PARTS T42-0886-08 LT MOTOR ASSY T25-0127-05 PICKUP ✽ FLT301 16-BT-103GNK DISPLAY,FLT K530161030010 LED301 B30-2569-08 LED,ROUND K500032500010 MD MECHANISM (RD-HD5MD) Page 29 ✽ LED302 B30-2655-08 LED,ROUND K500030000010 ✽ LED302 B30-2656-08 LED,ROUND K500036000030 57EKM A10-3531-02 CHASSIS J19-6125-04 BRACKET ASSY...
  • Page 36 ✽ 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 ✽ 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 38 ✽ 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 ✽ 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 ✽ 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 ✽ 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 ✽ 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: Parts List

    Over sampling ......... 8 fs (352.8 kHz) Frequency response ..20Hz ~ 20kHz (+0.5dB, -1dB) Signal to noise ratio ..........98dB KENWOOD follows a policy of continuous ad- Digital output vancements in development. For this reason Optical ..........-15dBm ~ -21dBm specifications may be changed without notice.
  • Page 44 Alameda Ministro Rocha Azevedo No. 456, Edificio Jaú, 10o Andar, Cerqueira César, Cep 0140-001, São Paulo-SP-Brasil KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB, United Kingdom KENWOOD ELECTRONICS BELGIUM N.V. Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str.

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