Kenwood LS-M66-H Service Manual Download Page 9

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A.GND

M+9V

B.CANCEL

BIAS-RCH

REC OUT

-RCH

TA+9V

REC IN-LCH

M.GND

R63

R64

WHT

W35

W14

W17

W15

W22

W11

W13

W29

W10

W12

W16

W19

W26

W25

C31

R31

R51

C17

C18

C32

C33

C35

C51

C52

C57

C58

R59

R60

C1
1

C12

C15

C16

C19

C20

C21

C22

C25

C26

C53

C54

C55

C56

C59

C60

Q13

R53

R54

W36

W32

W33

W34

W30

W24

W23

W18

W21

W20

VR1

VR2

Q14

BIAS-LCH

REC OUT

-LCH

W50

R36

R37

R39

C13

C14

R10

R15

R16

R19

R20

R32

R55

R56

C10

C23

C24

R1
1

R12

R13

R14

R17

R18

R21

R22

R23

R24

R25

R26

R27

R28

R33

R34

R38

R40

R52

R57

R58

R61

R62

Q11

Q12

Q18

Q17

IC1

Q16

Q15

Q19

CN1

CN2

WH1

X28-3202-70 A/2 (J70-1592-21)

Refer to the schematic diagram for the value of resistors and capacitors.

PC BOARD (Component side view)

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for LS-M66-H

Page 1: ...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 Front glass B10 Knob K29 Cassette lid A53 Miniature Phone jack E11 0399 05 Panel ass y A60 Knob K29 LS M66 H M66 N M66 S M66IT H M66IT S SERVICE MANUAL HM 636 636IT Front glass B10 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 ...

Page 2: ...into beam or view directly with optical instruments 1 Remove the CD from the unit 2 Press the CD 6 key 3 Wait for some time and verify that the display appears as above 4 Wait a few seconds and turn the unit OFF Note related to transportation and movement Before transportingor moving this unit carry out the follow ing operations Operation to reset The microcomputer may fall into malfunction imposs...

Page 3: ...30 Lock terminal board E70 0123 15 Pin jack E63 1264 05 AC power cord bushing J42 0349 05 Tuner ass y W02 Oscillating module W02 1114 15 Refer to parts list on page 21 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: ...he mechanism as shown in the figure 2 Push a rack gear in the direction of arrow At this time the tray comes out slightly frontward 3 The tray can be opened by hand 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 5: ...FWD Trimming pot in the motor VR 1 L VR 2 R X28 ALIGN FOR 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 Adjust the output to maximum and adjust the azimuth adjustment screw for the Lissajours waveform pattern of the oscilloscope to become close to a 45 straight line Fig 1 Check the tap...

Page 6: ... the individual switches should be set as following POWER ON 1 IDLE CURRENT Connect a DC voltmeter to CN11 1 2 Rch CN11 3 4 Lch X29 VOLUME 0 VR1 L VR2 R X29 4 4 mV 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 7: ...1 2 B C511 R515 R514 R512 R511 C501 C502 R516 R517 R518 VOLUME R520 R533 R535 R548 R547 R546 R545 R544 R543 R542 R541 R540 R539 R538 R537 R536 IC402 IC501 Q501 D408 Q401 Q402 D401 D402 D404 D405 D406 D407 D409 D503 S501 S502 S503 S504 S505 S506 S507 S508 S509 S510 S512 S513 S514 S515 WH401 S401 E502 ED501 P401 D403 CN402 CN403 CN404 IC401 E401 CN405 CN406 E503 CN502 A501 CN501 S516 WH501 S511 D501...

Page 8: ...222 C238 C239 C246 C247 C248 C251 C252 C263 C264 C283 C284 C290 C803 C805 R221 R230 R231 R233 R240 R245 R247 R248 R253 R269 R285 R294 R631 R703 C721 R789 R804 R901 R902 R270 R280 R725 R726 R727 R728 R749 R760 R764 R770 R792 C631 C634 C11 C12 C232 C233 C234 C235 C242 C243 C255 C256 C257 C258 C259 C261 C262 C279 C280 C281 C282 C610 C615 C616 C627 C635 C636 C650 C705 C706 C806 C807 W258 R235 R286 R29...

Page 9: ... E E E B E B B B E E E B B B 2 7 W50 R36 R37 R39 C1 C2 C13 C14 R1 R2 R7 R8 R9 R10 R15 R16 R19 R20 R32 R55 R56 C9 C10 C23 C24 R5 R6 R11 R12 R13 R14 R17 R18 R21 R22 R23 R24 R25 R26 R27 R28 R33 R34 R38 R40 R52 R57 R58 R61 R62 S D G S D G S D G S D G E B B E E B B E Q3 Q4 Q5 Q11 Q12 Q18 Q1 Q2 Q17 E1 IC1 Q6 Q7 D1 D2 Q8 Q9 Q16 D3 Q15 Q19 CN1 CN2 WH1 X28 3202 70 A 2 J70 1592 21 Refer to the schematic dia...

Page 10: ... 3V 9 2V 9 2V 9 2V 9 2V B 9 3V 9 3V 9 3V 9 3V R6 W4 1K R64 R63 1K W3 Q13 Q14 D3 Q12 Q11 Q5 Q17 Q18 Q4 Q1 Q2 Q3 Q19 Q15 Q16 WH1 Lch BIAS Rch BIAS SYSTEM IC PB REC EQ REC Rch CANCEL BEAT CN1 REC PAUSE MUTING R P SW CONT BIAS SW OSC 105kHz BIAS OSC PLAY Lch PLAY Lch REC Rch ERASE Rch Lch R P 2 3 X29 CN72 DTC124EUA or Q5 11 12 18 D1 3 1SS133 or DTA124EUA or 2SC2785 F E 2SA1286 T11 Q19 Q15 16 Q17 KTC32...

Page 11: ...B 11 DI 1 4 2 3 CE VSS 8 7 LOUT 5 6 LINM LINP LBASS1 9 LSB LBASS2 10 14 LSELO 12 LTRE LVRIN 13 17 L3 15 L5 L4 16 18 L2 L1 RINM ROPOUT CL VDD RTRE RINP ROUT RBASS2 RBASS1 RSB 31 RVRIN RSELO R5 R2 R4 R3 21 VREF R1 26 36 33 35 34 29 30 32 28 27 23 25 24 20 22 19 STANDBY BAND GAP RESET CIRCUIT VCC VREF DIRECTION DETECTOR DIRECTION DETECTOR DETECTOR DIRECTION DIRECTION DETECTOR PVCC 2 PVCC 2 PVCC1 3 2 ...

Page 12: ...30 47u25 C32 47u10 C50 47u10 C34 47u63 C35 22u50 C36 22u50 2 1 7 3 4 5 6 13 12 10 8 9 11 14 C25 4 3 20 19 18 Q101 102 Q111 114 10K R28 10K R23 2W R33 390 4 3 2 1 L L R R 61 62 64 63 67 68 66 71 69 73 74 75 76 79 80 78 77 56 52 53 54 55 60 59 58 45 44 46 R726 R725 R728 R764 100 100 38 39 40 21 22 24 23 27 28 29 30 35 36 37 3 3K 1K 1K R783 R731 R757 100 R736 10K R737 R776 R741 100 R791 100 R781 100K...

Page 13: ...KEY 2 1 1K R501 1 2K R502 1 1K R503 2 2K R504 1 1K R507 1 2K R508 2 2K R505 3 3K R506 1 1K R509 2 2K R510 2 2 2 2 R513 1u50 C503 1u50 C505 220 R522 220 R523 22u50 C504 10K R524 1000P C511 R512 4 7K R511 4 7K R515 300 R514 360 CN406 MAIN TRANSFORMER 220V 110V T401 CN403 CN405 F2 1 25A 1 25A F1 CN404 K401 3 6 1 3 6 4 5 1 2 3 W404 1 14 13 12 11 10 9 8 7 6 5 4 3 2 1 S1 AMP S1 AMP HELP S2 S2 S3 S3 FL A...

Page 14: ...x2 ABx2 AB M6x5 N09 2928 08 AC N09 5280 05 AA N09 2950 08 15 15 AA AA 1 2 3 A B EXPLODED VIEW CD MECHANISM RXD M66 LS M66 19 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 15: ...G G G G C C C C C D D C C E E Fx2 L L H H H Hx2 Kx2 Hx2 H Mx5 Jx3 H H H K H S401 AC220 240V AC110 120V J 1 FRONT SPEAKERS J601 AUX A601 OPTICAL J2 PHONES X28 A 2 B B RXD M66 RPH CL BS BM MM PCB 637 636 637 670 635 640 781 619 662 605 634 634 633 633 664 654 631 628 636 635 718 607 615 660 616 625 617 606 645 630 611 602 666 665 601 608 780 761 761 780 703 782 748 780 712 727 781 704 771 655 X29 1 ...

Page 16: ...ption Desti nation Re marks B06 1729 08 GRILLE ASSY S IT S B06 1737 08 GRILLE ASSY N B06 1749 08 GRILLE ASSY H IT H C90 5097 05 NP ELECT 1 5UF 50WV H10 8363 08 POLYSTYRENE FOAMED FIXTURE H10 8364 08 POLYSTYRENE FOAMED FIXTURE H21 1364 08 PROTECTION SHEET EGM H25 2267 08 PROTECTION BAG X H51 1977 08 ITEM CARTON CASE S EG H51 1978 08 ITEM CARTON CASE N EG H51 1979 08 ITEM CARTON CASE H H51 1980 08 I...

Page 17: ... 2557 08 RACK GEAR NGERR0005AWZZ 7 1A D13 2558 08 TRAY GEAR NGERH0146AWZZ 9 2B D13 1720 08 DRIVING GEAR 10 1B D15 0444 08 DRIVE PULLEY NPLYR0010AWZZ 11 1B D16 0770 08 DRIVE BELT NBLTK0040AWZZ 13 2B E35 2322 08 CONE WIRE QCNWN1379AWZZ 15 2B 3B J02 1511 05 INSULATOR 16 2B J11 0868 08 CLAMPER LHLDM1015AWZZ 18 3A J19 6221 08 MEC HOLDER LHLDZ1341AWZZ 20 2A J99 0831 08 DISC HOLDER GCOVA1386AWSA 25 2B S7...

Page 18: ...CHIP C 330PF J EE1E2 C11 12 CE04LW1H4R7M ELECTRO 4 7UF 50WV C13 14 CK73GB1H472K CHIP C 4700PF K C15 16 CE04LW1H100M ELECTRO 10UF 50WV C17 18 CE04LW1HR22M ELECTRO 0 22UF 50WV C19 20 CE04LW1H4R7M ELECTRO 4 7UF 50WV C21 22 CE04LW1H100M ELECTRO 10UF 50WV C23 24 CC73GCH1H221J CHIP C 220PF J C25 26 CC45FSL1H221J CERAMIC 220PF J C31 CE04PW1A101M ELECTRO 100UF 10WV C32 CE04PW1E470M ELECTRO 47UF 25WV C33 C...

Page 19: ...reas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C113 CE04KW1H470M ELECTRO 47UF 50WV C114 CE04KW1H101M ELECTRO 100UF 50WV C115 116 CC45FSL1H151J CERAMIC 150PF J C117 118 CC45FSL1H221J CERAMIC 220PF J C121 CC45FSL1H101J CERAMIC 100PF J C122 CK45FB1H222K CERAMIC 2200PF K C123 CC73GCH1H470J CHIP C 47PF J C202 CC73GCH1H101J CHIP C 100PF J C...

Page 20: ...ia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks J601 E63 1264 05 PIN JACK L1 L92 0075 05 CHIP FERRITE L201 L40 1001 17 SMALL FIXED INDUCTOR 10UH K X221 L77 2401 05 CRYSTAL RESONATOR 16 9344MHZ X701 L78 0725 05 RESONATOR 8 38MHZ X702 L77 2173 05 CRYSTAL RESONATOR 32 768KHZ X801 L77 2002 05 CRYSTAL RESONATOR 4 332MHZ ...

Page 21: ...3 3K J 1 16W R749 RK73GB1J473J CHIP R 47K J 1 16W R750 RK73GB1J332J CHIP R 3 3K J 1 16W R751 RK73GB1J104J CHIP R 100K J 1 16W R752 RK73GB1J101J CHIP R 100 J 1 16W R753 RK73GB1J104J CHIP R 100K J 1 16W R754 RK73GB1J332J CHIP R 3 3K J 1 16W R755 RK73GB1J104J CHIP R 100K J 1 16W R757 RK73GB1J101J CHIP R 100 J 1 16W R759 RK73GB1J332J CHIP R 3 3K J 1 16W R760 RK73GB1J473J CHIP R 47K J 1 16W R761 RK73GB...

Page 22: ...many Korea Malaysia RXD M66 H H E1 RXD M66 N N X2 E2 RXD M66 S S X1 E MODEL ABB Mexico PX AAFES Russia Scandinavia Shanghai USA Other area Japan RXD M66 H H M1 RXD M66 N N RXD M66 S S 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 23: ...Conversion 1 Bit Main unit KENWOOD follows a policy of continuous advancements in development For this reason specifications may be changed without notice Sufficient performance may not be exhibited at extremely cold locations where water freezes Cassette deck section Track 4 track 2 channel stereo Recording system AC bias system Frequency 105 kHz Heads Playback recording head 1 Erasing head 1 Wow...

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