Kenwood HM-332 Service Manual Download Page 1

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MICRO HiFi COMPONENT SYSTEM

RXD-M32

SERVICE MANUAL

(HM-332)

down

standby

/ timer

TAPE

AUTO REVERSE CASSETTE DECK

HM-332

phones

TAPE

STOP

volume/

multi control

TAPE EQ.

o.t.e.

TAPE rec

TUNER/band

AUX

sound

menu

set/demo

TEXT

DIGITAL AUDIO

COMPACT

Knob
(K29-7780-08)

Panel
(A29-1099-08)

Front glass
(B10-3591-08)

Indicator
(B12-0396-08)

Dressing panel

(A21-)

Escutcheon
(B07-2517-08)

Knob
(K29-7789-08)

Knob

(K29-)

Indicator
(B12-0397-08)

Miniature phone jack
(E11-0200-05)

Although this service manual is described MD circuit description, it is no concern with

RXD-M32(CD/CASSETTE receiver)

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

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

Refer to parts list on page39.

Summary of Contents for HM-332

Page 1: ...8 Dressing panel A21 Escutcheon B07 2517 08 Knob K29 7789 08 Knob K29 Indicator B12 0397 08 Miniature phone jack E11 0200 05 Although this service manual is described MD circuit description it is no concern with RXD M32 CD CASSETTE receiver In compliance with Federal Regulations following are repro ductions of labels on or inside the product relating to laser product safety KENWOOD Crop certifies ...

Page 2: ...ormal condi tion Unplug the power cord from the power outlet then while holding the set demo key depressed plug the power cord again Please note that resetting the microcomputer clears the contents stored in and it returns to condition when it left the factory SYSTEM MAIN UNIT DESTINATION SPEAKER COLOR HM 332 L RXD M32 L ETHMX L LS M32 L BLUE HM 332E L RXD M32E L E2 L LS M32 L BLUE HM 332 S RXD M3...

Page 3: ...1114 05 Side plate R A50 Side plate L A50 Lock terminal board E70 0053 05 AC power cord bushing J42 0083 05 AC power cord E30 Refer to parts list on page39 FRONT CAM CAM How to open the tray if not comes out 1 From the bottom side of the CD mechanism use a screw driver or the like to turn the cam slightly coun terclockwise 2 Pull out the tray front wards by hand when the tray comes just out DISASS...

Page 4: ...ocomputer is initialized for start when the AC power is turned on while pressing the STOP key At that time CD MD and CASSETTE mechanisms are also initialized During the initial conditions the display shows INI TIALIZE and after that it will be returned to standby conditions 1 3 Initial Items 1 4 3 MD mechanism If a mechanism error occurs M is indicated on the display MD disc is ejected from MD mec...

Page 5: ...Y OPERATION STOP Normal indication P P10 P20 P30 P40 MENU AUTO STEREO ï Normal indication MANUAL MONO ó MD REC TUNING DOWN TAPE REC Normal indication TUNING UP SKIP DOWN P ch DOWN SKIP UP Normal indication P ch UP KEY DISPLAY OPERATION If the REC ARM key is pressed the system record for 4 seconds Then it rewinds to the REC starting position and plays back TAPE REC Normal display automatically If t...

Page 6: ...r not write AUTO pre adjustment Carry out AUTO pre adjustment and write data to EEPROM NG_EEPROM Not write the data of setting values Check the connection of MD microprocessor and EEPROM Carry out the TEST PLAY TEST REC and C1 error in test mode after AUTO_ADJ and AUTO_FAB 2 Test Mode 1 Holding down the MD rec button and turn the power on State A 2 To enter the test mode stop state State B press t...

Page 7: ...ROM setting 1 AUTO pre adjustment mode Low reflection disc only Step No Setting Method Remarks Display Step 1 Test mode STOP state t s m e Step 2 Press once the SKIP DOWN button AUTO pre adjustment menu AUT_ YOBI_ _ _ Step 3 Press once the MD PLAY button The slide moves to the innermost periphery and automatic _ _ _ _ _ _ _ pre adjustment is started During automatic adjustment changes as follows H...

Page 8: ...E G _ _ _ Step 12 Press once the SKIP DOWN 4 button Indication of measurement value S F G _ _ _ Step 13 Press once the SKIP DOWN 4 button Indication of measurement value H A O _ _ _ Step 14 Press once the SKIP DOWN 4 button Indication of measurement value H B O _ _ _ Step 15 Press once the SKIP DOWN 4 button Indication of measurement value H E O _ _ _ Step 16 Press once the SKIP DOWN 4 button Indi...

Page 9: ...ve measurement Laser ON L O N _ _ _ _ _ _ Step 9 Press once the SKIP DOWN 4 button Innermost periphery move RF side FG rough adjustment R F g _ _ Step 10 Press once the SKIP DOWN 4 button Focus ATT A signal tentative setting S A g Step 11 Press once the SKIP DOWN 4 button Focus ATT B signal tentative setting S B g Step 12 Press once the SKIP DOWN 4 button RF side pit section TG adjustment P T G _ ...

Page 10: ...rted Step 5 Continuous playback groove section Address C1 error indication a c Step 6 Press once the MD STOP button TEST PLAY menu T E S T _ P L A Y _ T E S T _ P L A Y _ Step No Setting Method Remarks Display If the MD STOP button is pressed while the TEST PLAY menu is displayed TEST mode STOP state is set If the MD PLAY button is pressed while the TEST PLAY menu is displayed continuous playback ...

Page 11: ... to edit by MD standard CAN T REC Inhibit to record by disc damage 10 or more defects recordable cluster is 0 DISC ERROR OR UTOC read error or FTNO LTNO edit record permit ALL ERASE only DO Start address TNO endless TNO playback handle poor TNO as 1SG edit record permit ALL ERASE only C0 Write poor data in UTOC0 C1 Write poor data in UTOC1 C2 Write poor data in UTOC2 C4 Write poor data in UTOC4 pl...

Page 12: ...UIT MD VERSION ONLY LCD MODULE REMOTE CONTROL SELECTOR IC M62498AFP MD MECHA UNIT MDM99D 5 Main Microprocessor X29 IC104 M30622MA 1A5FP DECK VERSION M30624MG 307FP MD VERSION 5 1 Main Microprocessor Periphery Block Diagram INPUT KEY1 KEY2 VOLTAGE V Pin90 Pin91 0 00 0 23 TUNER BAND SET DEMO 0 24 0 67 STOP MENU 0 68 1 12 TAPE REC SKIP UP 1 13 1 60 TAPE PLAY F PLAY SKIP DOWN 1 61 2 02 MD REC TAPE O T...

Page 13: ...SENSE I CD sense input 23 CD_CLK O CD DSP clock output 24 XLAT O CD DSP latch output L LATCH 25 CD_DATA O CD DSP data output 26 SYSM O CD DSP system mute output 27 CDRST O CD DSP reset signal output 28 SQCK O CD sub code clock output 29 SUBQ I CD sub code input 30 NC O Unused 31 K_DATA O MD data output MD version only 32 MD_DATA I MD data input MD version only 33 MD_SCK O MD clock output MD versio...

Page 14: ...output to LCD driver IC 73 BACK_LIGHT O Back light control output 74 SP_RERAY O Speaker relay control output H ON L OFF 75 PROTECTION O Detection input port for protection circuit H PROTECTION ON 76 H P SW I Headphones detection input H OFF L ON 77 A_MUTE O Audio muting control output H OFF L ON 78 B U SW O Unused 79 DSTB I MD STB input port 80 SEARCH O MD search output 81 MD_ST O MD ON CD sync ou...

Page 15: ...ess the PLAY key Confirm that the display is 05 ALIGNMENT POINT VR 1 ALIGN FOR On the power from 0 05 to 0 15mW when the diffraction grating is correctly aligned with the RF level of 0 8Vp p or more Optimum eye pattern FIG a 2 LASER CURRENT Test disc Type 4 Connect the DC volt meter to CN3 3 4 on X32 Press the PLAY key to check that the dis play is 03 or 05 220mV to 550mV d Note Type 4disc SONY YE...

Page 16: ...ion cleaning PLAY Recording head erase head capstan pinch roller Demagnetize the REC PLAY head with the head eraser Clean the REC PLAY head erase head capstan and pinch roller using a cotton swab slightly damped with alcohol 2 Azimuth of the REC PLAY head SCC 1727 TCC 153 MTT 114 10kHz 10dB B PLAY Adjust the output to maximum and adjust the azimuth adjustment screw for the Lissajours waveform patt...

Page 17: ...t a DC voltmeter between CN4 1 and CN4 2 X14 MONO 98 0MHz L4 X14 0V 2 DISTORTION MONO A 98 0MHz 1kHz 40kHz dev MONO 70dBf ANT input B MONO 98 0MHz L5 X14 Minimum distortion 3 DISTORTION STEREO C 98 0MHz 1kHz 40kHz dev Selector L or R Pilot 6kHz dev 70dBf ANT input B AUTO 98 0MHz IFT RF FRONTEND A1 X14 Minimum distortion L or R 4 TUNING LEVEL A 98 0MHz MONO 1kHz 40kHz dev 30dBf ANT input MONO 98 0M...

Page 18: ...L X T E H RXD M32E L L E2 RXD M32 S S X P T E H RXD M32E S S E2 RXD M32 Y Y T1 E1 RXD M32E Y Y E3 RXD M32 H H X T E H RXD M32E H H E2 RXD M32 W W E RXD M32E W W E2 RXD M32 LS LS P MODEL ABB Mexico PX AAFES Russia Scandinavia Shanghai USA Other area RXD M32 L L M RXD M32E L L RXD M32 S S K M RXD M32E S S RXD M32 Y Y M1 RXD M32E Y Y RXD M32 H H M RXD M32E H H RXD M32 W W RXD M32E W W RXD M32 LS LS K...

Page 19: ...1 FE VCC VC MGND 7V MON SPEED RESET 16 E G F GND 3 3V 25 L R G A 3 3V 15 14 28 1 10 11 20 1 41 40 21 20 1 80 60 61 FE B TE E B E B E B 1 3 5 4 OFF ON TAPE EQ TAPE O T E TAPE W6 W5 W4 W14 W1 W3 W2 W133 W177 W127 W160 W159 W202 W110 W105 W121 W134 W140 W111 W113 W120 W106 W175 W193 W197 W181 W147 W170 W131 W89 W103 W G AM RF VT PLL FM IF AM STEREO FM DET MPX Vref TUNED FM MPX FIL T METER STOP BAND R...

Page 20: ... or R310 W59 W62 W68 W69 W40 W11 W18 W39 W113 W136 W137 W135 W134 W133 W104 W92 W117 W119 W115 W121 W140 W199 W202 W203 W192 W198 W190 W179 W180 W65 W130 W127 W166 W165 W164 W163 W162 W74 W75 W102 W129 W70 W108 W101 W125 W126 W128 W103 W181 W195 W200 W197 W194 W148 W155 W212 W87 W142 W151 W145 W143 W138 W132 W157 W150 W169 W184 W187 W170 W186 W185 W188 W208 W206 W211 W86 W93 W111 W95 W96 W94 W189 ...

Page 21: ...1 C79 C30 C80 10u16 C38 10u16 C37 0 01 C34 C33 0 01 560 R30 47K R31 0 047 C12 22 R16 R14 CF3 10u16 C14 R17 3 6K C45 22P C15 1u50 3 9K 3K R18 0 47u50 C16 R19 L4 1 C81 L3 0 047 C11 47u16 C10 2 1 R23 R83 1K 21 C DIVIDER REFERENCE 3 2 1 4 5 2 22 14 SWALLOW COUNTER 1 16 1 17 4bits ON DETECTOR RESET DATA SHIFT REGISTER LATCH 6 7 8 10 9 11 POWER CHARGE PUMP PHASE DETECTOR UNLOCK 20 19 18 17 16 UNIVERSAL ...

Page 22: ...ESTINATION LA1837 IC1 E2 2 71 YES CF1 2 NO F UNIT No C A B G E C79 80 6800P CN4 YES F10 1166 E1 CF3 NO 22 100 15K 33K W660 YES NO 4 3K 27K NO R14 R11 R23 R15 R27 28 R25 R32 0 022 L6 7 YES 180P 0 018 YES NO C30 31 C25 C26 C70 71 R11 COUNTRY ABB EUROPE E3 DESTINATION IC1 CF1 2 UNIT No C A F E B G R8 CF3 E1 CN4 W660 L6 7 R25 R15 R14 R23 R32 28 R27 C26 C25 C30 31 C70 71 C79 80 22 YES NO 10 27K 33K 100...

Page 23: ...ES YES YES W1 L3 IC4 DESTINATION COUNTRY ABB JAPAN 0 00 J2 UNIT No 37 38 7 YES YES 15P NO YES C4 R22 24 C3 C37 Q2 3 YES YES YES W1 L3 IC4 DESTINATION COUNTRY ABB 7 37 38 M YES YES 15P NO YES YES YES YES UNIT No C4 R22 24 C3 C37 Q2 3 W1 L3 IC4 GENERAL MARKET 0 00 U K T E EUROPE KOREA H GENERAL MARKET DESTINATION ABB COUNTRY KOREA 0 00 H1 M1 UNIT No Q2 3 37 38 7 YES YES 15P NO YES C4 R22 24 C3 C37 Y...

Page 24: ... GND VCC L R COM 8 5 6 4 7 9 12 11 10 9 8 7 6 5 4 3 2 1 SOL SENSOR OUT PLAY SW MTR NC NC 5V SENSOR GND CrO2 SW PACK SW F REC SW R REC SW 1 2 3 4 5 6 7 L PLAY L REC GND R REC R PLAY GND ERASE 1 2 3 4 5 L PLAY L REC GND R PLAY R REC 1 2 3 4 5 6 7 8 9 10 11 VCC ROUT R ROUT L REC RST B IN R B IN L VREF A IN R A IN L IREF GND 22 21 20 19 18 17 16 15 14 13 12 R IN R R IN L R 1 2 A B A N C PNF R PEQ R OU...

Page 25: ...V R227 2 2 120 R228 100u10 C222 22P 2 2 1 4W 0 01 47P C232 REL R273 R272 R281 R280 47K 47K 60 61 63 59 58 57 92 C245 2 8 5 6 7 3 4 1 15 OSC0 OSC1 VDDD VSSD TEST TSTLD VREF MUX VDDA VSSA C IN SCOUT 9 12 11 10 14 13 RDCLK T57 QUAL RDDATA 16 R213 2 2K C214 22P C215 47P X103 4 332MHz 100 R216 0 01 C213 47u10 C212 10 R212 560P C216 0 01 C218 330P C219 2 2u50 R214 100 R215 47K C220 100P 1 4W C217 47K R2...

Page 26: ...3K 7 3K 7 3K 16 60 C114 0 01 16V B 16V 16V 1 3 2 C105 47P C106 47P C104 47P C103 1 C102 1 47u25 C80 B 7V 1K R63 R50 1 5K B B 5V B 12V B 12V 5V B 5V 5V B 12V 12V B 12V B 5V B B CN2 BOTTOM VIEW Q8 Q1 Q2 Q7 D4 MUTING CONT MUTING D5 D7 D6 Q13 D22 D21 D44 Q21 D24 D23 16V AVR WH1 12V AVR CN101 CN100 CN102 WH1 WH2 E101 Q101 SET DEMO S100 MENU S101 SKIP DOWN SKIP UP S102 S103 SOUND AUX S104 S105 Q100 BACK...

Page 27: ...250V 3300u16 NO NO NO D11 12 IC92 W276 P92 D95 96 D90 C93 R100 F1 C95 F2 P92 IC92 F2 C95 F1 C93 R100 D95 96 YES NO YES NO NO YES 3300u16 YES NO NO R98 100 1W 0 1 T800mA L 250V NO 560P 560P W91 265 290 291 W91 265 95 96 D11 12 93 0 1 C17 18 C13 14 19 20 NO 3300u16 L07 2758 05 T91 NO W290 291 560P C13 14 C17 0 22 20 T91 L07 2897 08 L07 2758 05 W91 265 NO 291 W290 560P 0 22 C13 14 18 C17 0 22 C19 20 ...

Page 28: ... 37 Parts with exploded numbers larger than 700 are not supplied FM DM 630 13 LM PU AE AE AC WASHER HEAD AA AB AA AB AB AB x 2 AD AE AF AG AF AF AG AC x 2 AC x 2 637 AD x 2 1 2 3 A B EXPLODED VIEW CD MECHANISM ...

Page 29: ...2 Lx2 A A PF PR BS BM S105 S104 S103 S102 S101 S100 AUX SET DEMO MENU SOUND S117 VOLUME MULTI CONTROL PHONES S113 MD S116 TAPE S115 S114 CD S110 TAPE EQ S109 TAPE REC S106 TUNER BAND S112 CD S111 TAPE 2 TAPE 3 S108 S107 STOP J101 AUX IN OPTICAL OUT P101 J100 J 1 SPEAKERS J 7 ANTENNA A101 616 680 690 689 685 686 695 631 624 615 676 677 687 688 696 691 687 647 682 693 683 640 639 637 7P 6P 642 672 6...

Page 30: ...ENTOR KPMX 605 2C A21 3847 08 DRESSING PANEL CENTOR TEE2H 609 2C A29 1099 08 PANEL CD 610 2C A29 1101 08 PANEL LID 611 2C A29 1121 08 PANEL ASSY LID 612 1C A50 1354 08 SIDE PLATE L BLUE MXH L 612 1C A50 1354 08 SIDE PLATE L BLUE TEE2 L 612 1C A50 1355 08 SIDE PLATE L SILVER KPMXH S 612 1C A50 1355 08 SIDE PLATE L SILVER TEE2 S 612 1C A50 1357 08 SIDE PLATE L GRAY S MXH H 612 1C A50 1357 08 SIDE PL...

Page 31: ...t Hawaii T England E Europe G Germany V China Shanghai Y AAFES 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 H50 3741 08 ITEM CARTON CASE BLUE S KP LS H50 3742 08 ITEM CARTON CASE YELLOW M1 Y H50 3743 08 ITEM CARTON CASE BLUE X L H50 3744 08 ITEM CARTON CASE BLUE M H S H50 3744 08 ITEM CAR...

Page 32: ...i Y AAFES 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 C33 34 CK73FB1H103K CHIP C 0 010UF K MM1 C35 CK73FB1H332K CHIP C 3300PF K KPMM1X C36 CK73FB1H103K CHIP C 0 010UF K C37 38 CE04LW1C100M ELECTRO 10UF 16WV C41 CC73FCH1H470J CHIP C 47PF J C42 CC73FCH1H120J CHIP C 12PF J C43 CC73FCH1H100D...

Page 33: ...8K J 1 16W MM1X R25 RK73GB1J273J CHIP R 27K J 1 16W EE1TT1 R25 RK73GB1J273J CHIP R 27K J 1 16W HE2E3 R27 28 RK73GB1J432J CHIP R 4 3K J 1 16W EE1TT1 R27 28 RK73GB1J432J CHIP R 4 3K J 1 16W HE2E3 R27 28 RK73GB1J472J CHIP R 4 7K J 1 16W KPMM1X R30 RK73GB1J561J CHIP R 560 J 1 16W MM1 R31 RK73GB1J473J CHIP R 47K J 1 16W MM1 R32 RK73FB2A272J CHIP R 2 7K J 1 10W KPMM1X R33 34 RK73GB1J102J CHIP R 1 0K J 1...

Page 34: ...exico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES 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 Q2 2SA1576A R S TRANSISTOR Q2 2SB1218A Q R TRANSISTOR Q3 4 2SC4081 R S TRANSISTOR MM1 Q3 4 2SD1819A Q R TRANSISTOR MM1 Q6 7 2SC4081 R S TRANSIST...

Page 35: ...Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES 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 C186 CQ93HP2A103J MYLAR 0 010UF J C187 CE04KW1C220M ELECTRO 22UF 16WV C205 CK73GB1C104K CHIP C 0 10UF K C206 CE04KW1A101M ELECTRO 100U...

Page 36: ...T England E Europe G Germany V China Shanghai Y AAFES 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 R91 RK73GB1J104J CHIP R 100K J 1 16W R92 RK73GB1J332J CHIP R 3 3K J 1 16W R94 RK73GB1J105J CHIP R 1 0M J 1 16W R95 RK73GB1J104J CHIP R 100K J 1 16W R96 RK73GB1J101J CHIP R 100 J 1 16W R98 RS...

Page 37: ...exico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES 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 W502 504 R92 0670 05 CHIP R 0 OHM W508 R92 0670 05 CHIP R 0 OHM E1E2 W508 510 R92 0670 05 CHIP R 0 OHM K1M1M2 W508 510 R92 0670 05 CHIP R 0 OHM ...

Page 38: ...nts Ref No Add ress New Parts Parts No Description Desti nation Re marks A101 W02 1114 15 OSCILLATING MODULE C1 2 C92 0084 05 CHIP C 100UF 4WV C3 CC73GCH1H220J CHIP C 22PF J C5 C92 0084 05 CHIP C 100UF 4WV C6 C92 0044 05 CHIP ELE 47UF 10WV C8 CK73FB1H563K CHIP C 0 056UF K C9 C92 0085 05 CHIP C 220UF 4WV C10 CC73GCH1H471J CHIP C 470PF J C11 CK73FB1H223K CHIP C 0 022UF K C12 CK73GB1H221K CHIP C 220P...

Page 39: ... and flutter 0 2 W R M S Fast winding time Approx 100 seconds C 60 tape General Power consumption 60 W Dimensions W 180 mm H 239 mm D 305 mm Weight net 5 4 kg Speakers Enclosure Book shelf type magnetically shielded Speaker configuration Woofer 100 mm cone type Tweeter 50 mm cone type Impedance 6 Ω Maximum input level 30 W Dimensions W 150 mm H 234 mm D 197 mm Weight net 2 4 kg 1 piece KENWOOD fol...

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