Kenwood RXD-V252 Service Manual Download Page 10

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

PC BOARD (Component side view)

DM1

D22

D21

ZD1

ZD61

CM50

RM63

R97

RM21

RM15

RM27

CM22

RM49

CM20

RM26
RM16
CM19

CM18

RM22
RM23

R110

R48

R99

R98

R111

C55
R50

R51
R52

R53

R54

R11

C22

C81

R80

C29

C82

C25

R95
R94

R116
R115

RM28
CM37
CM40

CM31
CM30
CM29

RM45

RM41

RM25

RM34

RM36

CM35

R68
R67

C80

RM68

RM73

RM76

C72

R72

RM47

R77

R76

R75

C77

C76

C75

R78

R71

R73

RM1

RM2

RM3

RM77

RM5

RM6

RM78

RM7

RM8

CM25

CM4

CM3

RM79

CM17

R58

RM13

RM10

CM8

CM14

CM9

C83

R112

C84

R117

C46

R113

R114

R118

R52

C17

R92

R93

R86

C44

C53

R47

R21

R22

C52

C78

C71

C73

RM75

RM72

RM71

RM70

RM69

RM9

RM12

RM74

RM65

RM67

CM54

CM55

RM66

RM53

RM60

RM51

RM52

CM49

RM61

RM58

RM50

RM56

RM62

RM4

CM39

RM35

RM54

RM57

CM47

RM55

CM46

B E

E B

Q10

B E

QM2

B E

QM4

QM3

QM1

LM2

LM3

LM1

L62

L61

CM5

CM21

CE1

CM32

C49

C50

C47

C54

C11

C88

C28

C87

CM27

CM38

CM36

CM56

CM34

C45

XL2

C24

CM23

RM64

CM51

CM7

CM1

CM52

CM2

CM24

CM48

CM10

CM13

XL1

CM43

CM12

CM16

RM20

RM18

RM17
RM19

C12

C14
C13
C18

R7
R6

R42

CM28

R55

R56

C20

R79
R13
C23
R12

C26

C42

C27

R44
R35

R37
R38
R39

R40
R45
R46
R17

R16
C30

R15

CM26

RM59

RM14

CM44

CM45

CM41

C64

CM57

C51

C31

CM42

CM53

CM11

RM81

RM80

CM15

RM30

RM31

RM32

RM33

CM33

RM43

RM42

RM44

RM40

RM39

RM38

RM37

RM24

C19

R14

C34

C85

C86

R20

C21

R10

CM6

RM11

CNP2

CNP12

CNP1

CNP11

CNP10

CNP3

CNP4

CNP13

CNP9

QM5

QM6

100

ICM3

IC6

IC3

IC1

ICM1

ICM2

ICM4

IC2

CK12

CK10

CK14

CK13

CK16

CK41

CK51

RK45

RK46

CK48

CK46

RK42

RK41

CK45

RK43

CK47

RK4

RK3

RK12

CK43

RK39

RK38

RK14

RK13

RK15

RK40

RK36

CK44

RK11

RK10

RK9

CK35

CK34

CK33

CK3

CK27

RK37

CK23

CK24

CK21

CK19

CK42

CK25

CK26

RK2

CK30

CK54

CK28

CK29

CK50

RK50

RK48

CK53

CK52

CK9

CK11

CK8

CK7

CK6

CK2

RK1

CK1

CK31

CK22

CK20

CK18

CK17

CK15

VRK1

RK47

CK49

RK44

RK49

RK5

RK8

RK7

KR602

RK601

JK601

JK1

WT902

ZDK1

CNPK1

QK1

DK1

DK2

ICK2

ICK1

MIC UNIT

PHONES

MIC

LEVEL

Summary of Contents for RXD-V252

Page 1: ...afety 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 Refer to page 2 if you want to know system configuration XD V252 70 Dress ring A21 3966 08 FRT cab ass y A60 FL panel B10 Panel VCD A60 2220 08 Knob VOLUME K29 8047 08 Cassette lid R A21 3959 08 Phone...

Page 2: ...the service information Circuit Description Full Described Parts list and so Information is available to you by internet from us RESETTING THE MICROCOMPUTER Reset the microcomputer under the following con ditions To erase all of the stored memory contents clock and timer settings and tuner and CD presets If the display is not correct If the operation is not correct 1 Press the ON STANDBY button to...

Page 3: ...LECTOR 230V 240V FM 50kHz AM 9kHz FM 100kHz AM 10kHz L SPEAKERS RATED SPEAKER IMPEDANCE 6 OHMS MIN R L R Cabinet TOP A02 3014 08 AC power cord E30 2881 08 RCA socket E02 0021 08 Lock terminal board E70 0151 08 FM Antenna E70 0145 08 Slide switch S62 0086 08 RCA socket E63 1219 08 AC power cord bushing J42 0338 08 ...

Page 4: ...for screen video interface 44 PCLK I O Pixel clock qualifier in for screen video interface 45 49 52 53 54 AUX 0 7 I O Auxiliary control pins AUX0 and AUX1are open collectors 55 62 LD 0 7 I O RISC interface data bus 63 LWR O Unused 64 LOE O RISC interface output enable active low 65 66 67 LCS 3 1 0 O RISC interface chip select active low 68 79 82 87 LA 0 17 O RISC interface address bus 81 VCC Digit...

Page 5: ...nput during bypass PLL mode 13 RESET B I Video reset active low 15 MUTE O Audio mute 17 MCLK I Audio master clock 19 TWS I Dual purpose pin TWS is the transmit audio frame sync SPLL OUT O SPLL OUT is the select PLL output 21 TSD I Transmit audio data input 22 TBCK I Transmit audio bit clock O Dual purpose pin RWS is the receive audio frame sync Pins SEL PLL 1 0 select the PLL clock frequency for t...

Page 6: ... video output 65 ACAP I Audio CAP 71 XOUT O Crystal output 74 XIN I 27MHz crystal input 79 PCLK I O 13 5MHz pixel clock 80 2XPCLK I O 27MHz 2 times pixel clock 82 HSYN B O Horizontal sync active low 84 VSYN B O Vertical sync active low 86 89 92 94 96 98 YUV 7 0 I YUV data bus for screen video port Block Diagram for DAC TV Encoder ES3889 ICM3 Visba ES3889 Companion Chip CD ROM Controller CD ROM Rem...

Page 7: ...EQ FL 990KHz TP302 CONFIRM MAX OUTPUT TRACKING 50dB ADJUST IF NG NO CHECKING ITEM SG N SET FREQ ADJ SPEC REMARKS POINT FL 87 5MHz T301 1 3V 0 1V ADJUST UNTIL VOLTAGE IS WITHIN 1 FM FREQ TP301 GIVEN SPEC COVERAGE FH 108 0MHz TP301 7 8V 0 8V CONFIRM VOLTAGE IS WITHIN GIVEN SPEC ADJUST COIL T302 UNTIL MAX T302 OUTPUT 2 FM IF 10 7MHz TP302 3 FM FREQ 98MHz L312 ADJUST L312 UNTIL MAXIMUM TRACKING TP302 ...

Page 8: ... FL701 BI606 CNP2 JK671 OUT VIDEO CNP9 CNP10 CNP3 CNP3A CNP302 AM FM SW601 Lch 1 AUX IN Rch 2 SO401 Rch GND GND SO901 Lch SP 6 ohm SO301A ANTENNA 20 1 1 8 20 1 1 5 1 8 1 6 FFC 5 1 1 10 1 10 7 10 1 1 3 1 7 3 1 1 1 10 FFC TF801 150 C 1 13 13 1 6 1 1 6 1 6 1 2 1 2 1 9 1 9 1 1 3 3 1 2 1 2 7 1 1 7 1 8 1 8 1 1 6 6 2 1 100kHz 50kHz 10kHz 9kHz 2 1 SECTION DISPLAY MIC SECTION RXD V252 SECTION TUNER MAIN PO...

Page 9: ... J861 J860 C407 C409 C411 C417 C421 C419 J407 J408 C123 J105 C122 C117 R115 C136 R114 J104 J103 C108 L104 C142 C140 C101 R146 R138 J409 J410 C427 C425 C428 C426 C424 C422 C420 C418 C388 C404 C408 C410 C412 T303 2 1 C331 C926 R926 R927 C921 R916 R917 C915 R915 R908 J903 J904 C980 J905 R916 C913 R911 C907 R909 R981 R981 J843 C902 J847 R363 R364 C935 C403 C374 C350 J310 J525 R370 X351 CF351 J312 J313...

Page 10: ...L2 C24 CM23 RM64 CM51 CM7 CM1 CM52 CM2 CM24 CM48 CM10 CM13 XL1 CM43 CM12 CM16 RM20 RM18 RM17 RM19 R4 C12 R3 C14 C13 C18 R7 R6 R5 R42 CM28 R55 R56 C20 R79 R13 C23 R12 C26 C42 C27 R44 R35 R37 R38 R39 R40 R45 R46 R17 R16 C30 R15 CM26 RM59 RM14 CM44 CM45 CM41 C64 CM57 C51 C31 CM42 CM53 CM11 RM81 RM80 CM15 RM30 RM31 RM32 RM33 CM33 RM43 RM42 RM44 RM40 RM39 RM38 RM37 RM24 C19 R14 C34 C85 C86 R20 C21 C7 R...

Page 11: ...4 Q705 BI905 SW718 FW701 A CNS701 CNS702 D711 Q700 Q703 Q709 Q713 LED700 LED709 C704 C700 C702 C701 C707 C563 C564 C570 C708 R563 R564 C717 XL700 VR701 J717 J718 J719 J723 J721 J728 R579 J701 J702 J703 J704 J705 J707 J708 J779 J780 R701 R703 R702 R709 R710 R711 R712 R713 R714 R715 R716 R708 J720 J722 J724 R720 R718 R719 J748 R726 R727 R728 R725 R781 R724 J749 J706 R729 R733 R734 R737 R738 R795 R79...

Page 12: ...N LPF 1BIT DAC FILTER DIGITAL CLOCK GENERATOR AUDIO IN EXTERNAL SERIAL OUT DECODE CEC SUBCODE COMMAND INTERFACE GENERAL DEFECT PROTECT FRAME SYNC EFM DECODE SERVO PROCESSOR ADJUST AUTO SW CONTROL CLV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FIN1 FIN2 TIN1 TIN2 REF1 VREF LDD GND LDON AGON EFBL TEST0 TES1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 VCC RFSW RF RF PH BH RFEV FE FE TE TE HFL TEST REF REF ...

Page 13: ...62 61 60 59 58 56 57 55 79 78 77 76 71 73 75 74 72 70 69 68 83 82 87 86 85 84 3 2 1 5 6 7 4 8 CM47 0 1 33P CM49 33P 220P CM50 CM51 33P 22K RM64 22K RM63 CM46 100u10 CM48 RM60 10K CM45 100u10 10K RM61 10K RM62 R56 100K R57 100K RM58 10K RM59 10K 10u16 10u16 10u16 10u16 RM55 6 8K 47 RM50 RM74 220 VCC D0 2 1 VCC 6 5 4 3 D2 D1 D3 RAS D7 9 7 8 10 D5 D4 D6 11 13 12 14 NC NC WE 18 17 15 16 NC A1 A0 20 19...

Page 14: ...60P C121 3 9K R121 5 6K R123 1u50 C123 56 R117 C127 270P R129 6 8K R127 C139 3 3u50 0 022 C137 5 6K R125 1 2K 0 022 100 22u25 10K R135 C135 47u25 3300P C133 R133 C131 R131 C129 4 7K 15K R138 560P C107 560P C106 2 2K R107 3 3K R109 3 3K R108 4 7K R111 47K R113 4 7K R112 2 2K R106 47K R110 180P C104 180P C105 1 2 3 4 5 6 7 M GND ERASE T2 R2 A GND T2 R1 T2 L1 T2 L2 T1 R A GND T1 L 2 3 1 560P C102 560...

Page 15: ... 9 10 11 12 13 14 15 ch 1 IN BIAS ch 1 VE ch 1 VE VCC VCC ch 2 VE ch 2 VE PRE VCC SUB GND ch 2 NF 680P C901 22u16 C905 0 22u50 C935 1K R931 820 R903 R901 56K 4 7 1 4W C915 0 22 C913 0 22 RL951 R954 2 2K R953 2 2K 1K R971 4 7 R982 15K R973 C972 10u50 68K R972 C971 47u50 1 2 3 4 5 150 C TF801 T801 FH801 T4 0A L 250V FH802 F801 FH803 FH804 T4 0A L 250V F802 FH805 FH806 T2 0A L 250V F803 FH808 FH807 T...

Page 16: ... F1 F1 G8 G7 G6 G5 G4 G3 G2 G1 P7 P8 P5 P6 P3 P4 P1 P2 P9 P18 P21 P22 P20 P19 P17 P16 P15 P14 P13 P12 P11 P10 R782 10K Q706 708 WRQ DSP DRF CD CE CD DO CD DI CD CLK RES OUT CLAMP SW O C SW VF1 VP VF2 AC RLY CONT UN SW 5V P IN 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CE CLK DI DO D GND T BIAS T T1 T2 REC PLAY SMUTE SPA SIG A GND ...

Page 17: ...2 63 60 47 56 62 41 38 844 6 5 5 5 1 2 FM DM SW4 AN AN AR AS AQx2 AQx2 803 804 858 859 AL AL SCREW AM ø3x8 AN ø2 6x6 AQ ø2x3 AR WASHER AS ø2x5 N09 5335 08 N09 5332 08 N32 2606 46 N30 2003 46 N19 1435 05 N86 2005 46 24 43 35 66 M3 SW1 SW2 SW3 54 32 57 53 39 39 39 39 39 PWB C PWB F PWB B 1 2 3 A B EXPLODED VIEW CD MECHANISM 23 ...

Page 18: ...4 793 624 661 615 780 614 616 631 675 627 676 782 610 611 609 608 612 613 642 641 660 607 BM BS2 BS1 601 603 602 643 643 PR1 RPEH PR2 PF A B C N09 5330 08 N09 5331 08 N09 5334 08 3x12 3x10 D E F N09 5335 08 N09 5338 08 N09 5345 08 3x10 3x6 G H J N09 5346 08 N09 5347 08 N09 5348 08 2x4 3x14 4x8 K L M N09 5349 08 N09 5222 08 N09 5337 08 3x8 3x10 3x10 P N09 5336 08 2 6x4 SCREW SCREW φ φ φ φ φ φ φ φ φ...

Page 19: ... No Add ress New Parts Parts No Description Desti nation Re marks 601 1C A02 3014 08 CABINET TOP GCAB 1195AWSA 602 1C A02 3015 08 CABINET R GITAS0092AWSA 603 1C A02 3016 08 CABINET L GITAS0075AWSA 607 2C A21 3966 08 DRESS RING KNOB HDECQ0703AWSB 608 2C A21 3958 08 CASSETTE LID L GCOVA1365AWSA 609 2C A21 3959 08 CASSETTE LID R GCOVA1366AWSA 610 2C A53 2251 08 CASS HOLDER L GDORF0104AWSA 611 2C A53 ...

Page 20: ...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 C49 50 CE04LW1A101M ELECTRO 100UF 10WV C51 CE04KW0J470M ELECTRO 47UF 6 3WV C52 CK73GB1C103K CHIP C 0 010UF K C53 CK73GB1H102K CHIP C 1000PF K C54 CE04LW1A470M ELECTRO 47UF 10WV C55 CK73GB1C103K CHIP C 0 010UF K ...

Page 21: ...ai 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 C404 CE32AA1C221M CHIP EL 220UF 16WV C406 CE32AA1C470M CHIP EL 47UF 16WV C407 408 CE04LW1H100M ELECTRO 10UF 50WV C409 410 CF92FV1H104J MF C 0 10UF J C411 412 CF93AN1H154J MF C 0 15UF J C413 414 CK45FB1C152K CERAMIC 1500PF K C417 418 ...

Page 22: ... 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 CM15 CC73GCH1H220J CHIP C 22PF J CM16 20 CK73GB1C104K CHIP C 0 10UF K CM21 CE04LW1A101M ELECTRO 100UF 10WV CM22 CC73GCH1H100D CHIP C 10PF D CM23 CK73GB1C104K C...

Page 23: ...0J CHIP R 0 J 1 16W R94 95 RK73GB1J103J CHIP R 10K J 1 16W R97 RK73GB1J392J CHIP R 3 9K J 1 16W R110 111 RK73GB1J000J CHIP R 0 J 1 16W VCD R112 RK73GB1J331J CHIP R 330 J 1 16W VCD R113 RK73GB1J222J CHIP R 2 2K J 1 16W VCD R114 RK73GB1J223J CHIP R 22K J 1 16W VCD R115 RK73GB1J000J CHIP R 0 J 1 16W VCD R116 RK73GB1J152J CHIP R 1 5K J 1 16W VCD R117 RK73GB1J331J CHIP R 330 J 1 16W VCD R118 RK73GB1J22...

Page 24: ...ption Desti nation Re marks IC812 KIA7810AP IC IC852 AN78L05T IC IC901 STK40270N IC Q1 KTC3265Y TRANSISTOR Q2 KRC102S TRANSISTOR Q3 KTA1504Y TRANSISTOR Q4 KTC3203Y TRANSISTOR Q9 10 KTC3875Y TRANSISTOR Q101 KTA1266GR TRANSISTOR Q102 103 KRC104M TRANSISTOR Q104 107 2SC1845F TRANSISTOR Q108 111 KTC3199GR TRANSISTOR Q112 2SA1015GR TRANSISTOR Q113 KRC104M TRANSISTOR Q114 KTC3203Y TRANSISTOR Q302 KTC319...

Page 25: ...ding system AC bias system Frequency 100 kHz Heads A deck Playback head 1 B deck Playback recording head 1 Erasing head 1 Fast winding time Approx 100 seconds C 60 tape CD VIDEO CD player section Laser wave length 770 to 795 nm Laser power class 1 IEC Wow Flutter Less than unmeasurable limit Video Output format NTSC PAL Video Output lever 1 Vp p 75Ω General Power consumption 100W Dimensions W 270m...

Page 26: ... KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 75018 Paris France KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano ltaly KENWOOD IBÉRICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue North Ryde N S W 2113 Australia KENWOOD ELECTRONICS ...

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Kenwood RXD-V252, Service Manual

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