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Kenwood X92-4400-0 Series, Service Manual

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Kenwood X92-4400-0 Series Service Manual Download Page 8

8

X92-4400-0x/4730-0x

X92-4740-0x/4750-0x

CONSTRUCTION OF MAJOR PARTS

This mechanism consists of five units.

1. Main chassis assy (Maintenance of a disc and reading of

signal)

2. Roller lever assy (Disc loading)

MECHANISM OPERATION EXPLANATION

3. Disc guides assy (Maintenance and positioning of a disc

and the crack to disc is prevented)

4. Outer chassis assy (The damper unit which protects disc

playback operation from external vibration)

5. DVD unit (Control for DVD mechanism)

DVD UNIT

Outer chassis assy

Front chassis assy

Disc guide assy

Damper x 4

Roller lever assy

Clamp chassis assy

Main chassis assy

Floating spring x 4

OPERATION EXPLANATION

■

 Disc Loading

•  Turning the loading switch ON

When a disc is inserted in the mechanism that the detection

sliders will be open to the left and right side and the loading

switch B or C is ON.  The above starts the loading motor rota-

tion.

Note: In the case of 12cm disc, all switches (A, B, C, and D)

turn on and 12cm disc distinction is carried

A

B

C

D

Detection slider (L)

Detection slider (R)

Disc

ON

ON

Disc loading sw

Summary of Contents for X92-4400-0 Series

Page 1: ...P CHASSIS ASSY OUTER CHASSIS ASSY FRONT CHASSIS ASSY DAMPER x 4 FLOATING SPRING x 4 CONSTRUCTION OF MAJOR PARTS DESCRIPTION MECHANISM X92 4400 00 DVS 3000 X92 4400 01 DVS 3001 X92 4730 00 DVS 3010 X92 4730 01 DVS 3011 X92 4740 00 DVS 3020 X92 4740 01 DVS 3021 X92 4740 02 DVS 3022 X92 4740 03 DVS 3023 X92 4750 00 DVS 3030 X92 4750 01 DVS 3031 X92 4750 02 DVS 3032 X92 4750 03 DVS 3033 ...

Page 2: ... 3011 DVS 3030 DVS 3031 DVS 3032 DVS 3033 X37 X37 1020 01 X37 1020 01 X37 1020 01 X37 1020 01 X37 1020 01 X37 1020 01 PICKUP T25 0299 05 T25 0299 05 T25 0299 05 T25 0299 05 T25 0299 05 T25 0299 05 DVD CD DISC PROTECTION MECHANISM EXPORT PACKING SPECIFICATION DESTINATION B0 B1 B2 B3 B4 B5 DVD MECHANISMTABLE Grease Name Ref No Description Application position 1 CHASSIS MOLD GEAR CONTACT POINT 2 CHAS...

Page 3: ...JM2880U33 IC10 D3 3V A3 3V D5V A5V 1 8V REG UPC2918T IC9 1 8V VOLTAGE DET S 80815CLBB IC8 to MAIN UNIT Tr APC U V W COIL HALL BIAS HALL SENSOR DVD LD CD LD VC 2 2V MD DVVD CD I V OUT DVD CD FO TR HFM VCC A5V PD VCC PWMx2 7V BTLx2 8 3 PWM SOFT SW 7V VHALF 1 65V FG D A SLED MUTE LO EJECT DRV1 65 A D DVD ONLY 2 A5V to A D 5V A3 3V A D A D A D IOP DET VHALF 1 65V SDA SCK EEPON WP D3 3V 4 SEN STBY STDI...

Page 4: ...REG NJM2880U33 IC10 D3 3V A3 3V D5V A5V 1 8V REG UPC2918T IC9 1 8V VOLTAGE DET S 80815CLBB IC8 to MAIN UNIT Tr APC U V W COIL HALL BIAS HALL SENSOR DVD LD CD LD VC 2 2V MD DVVD CD I V OUT DVD CD FO TR HFM VCC A5V PD VCC PWMx2 7V BTLx2 8 3 PWM SOFT SW 7V VHALF 1 65V FG D A SLED MUTE LO EJECT DRV1 65 A D DVD ONLY 2 A5V to A D 5V A3 3V A D A D A D IOP DET VHALF 1 65V SDA SCK EEPON WP D3 3V 4 SEN STBY...

Page 5: ...cy superposition circuit on switch Q5 UN5214 Q6 2SD1819A 5V AVR Q9 UN5114 Loading motor control base L ON Q10 UN5214 Loading motor control base H ON Q13 UN5114 EEPROM power control base L ON Q15 UN5114 FG signal inverter transistor COMPONENTS DESCRIPTION System microprocessor DF2328VTE254Q8 DVD unit IC7 Pin No Pin Name I O Purpose Description Processing Operation 1 Vcc Power supply input terminal ...

Page 6: ...ading Eject Logic 64 SL_MUTE O Sled driver muting control terminal 65 DRV_MUTE O Driver muting control terminal 66 FG I FG signal input terminal 67 M0 I SODC monitor input terminal 0 68 70 NC NC 71 FWC I O Flash memory data writhing control terminal 72 FWE I Flash memory data writhing control terminal 73 _RES I Reset signal input terminal 74 NC NC 75 _STBY I Standby signal input terminal 76 Vcc Po...

Page 7: ...al 106 SCK O FEP serial clock output terminal 107 SEN O FEP tip enable output terminal 108 STBY O FEP standby output terminal 109 NC NC 110 M1 I SODC monitor input terminal 1 111 NC NC 112 CEON O Servo output terminal 113 MD0 I Mode setup of operation input terminal 114 MD1 I Mode setup of operation input terminal 115 MD2 I Mode setup of operation Flash memory writhing input terminal 116 SW_F I SW...

Page 8: ...ibration 5 DVD unit Control for DVD mechanism DVD UNIT Outer chassis assy Front chassis assy Disc guide assy Damper x 4 Roller lever assy Clamp chassis assy Main chassis assy Floating spring x 4 OPERATION EXPLANATION Disc Loading Turning the loading switch ON When a disc is inserted in the mechanism that the detection sliders will be open to the left and right side and the loading switch B or C is...

Page 9: ...C CONSTRUCTION The following figure is looked at the mechanism for the re verse side Even after the disc has been inserted loading switch is ON and the loading motor and the gear train also rotated Al though the gear train is rotating but it has not contact yet in the loading mechanism part The trigger slider becomes starting point of operation Trigger slider Rear lock arm Pinion gear Loading slid...

Page 10: ...the trigger slider begins to move out for arrow side the boss part of the trigger slider will push the loading slider and will move the loading slider Loading slider Boss Boss Trigger slider Boss FLOW UNTIL DISC CHUCKING Playback standby condition Operation modes To play back to DISC it is required to per form flow of operations as shown below q Moving the disc clamper downwards so that it can cla...

Page 11: ...oading cam The loading cam and loading slider fixed on the screw Clamp lever assy Loading slider assy spring Loading cam INSIDE VIEW Lowering the clamp lever assy for disc chucking As loading slider moves for arrow side the plate spring sec tion contact with it moves along its groove and lowers the clamp lever assy Clamp lever assy Loading slider assy Position of clamp lever assy boss Clamper Init...

Page 12: ...so that it can be placed precisely on the turntable of the traverse chassis To make this possible the traverse chassis and outer chassis should be in the locked condition Since the outer chassis is originally locked on the main unit if the traverse chassis is also locked during play back the disc would be subjected directly to vibrations of vehicle during driv ing and disc signal would be hindered...

Page 13: ...e lease position floating position outer chassis assy REAR SIDE Front chassis assy FRONT SIDE Rear lock arm Main chassis assy Lock arm L Lock arm R Lock slider Drive arm Lock position Front chassis assy Front side view Plate spring Release position Center of rotation MECHANISM OPERATION EXPLANATION 2 Rear lock arm for lock and release function The rear lock arm is pinched between the outer chassis...

Page 14: ... driver and turns around remove the damper 50 4 pcs 60 48 60 60 6 or 7 50 OUTER CHASSIS ASSY 4 DISASSEMBLY AND ASSEMBLY OF MECHANISM Removing the disc guide assy 79 1 Removing the 3 screws 2 Take out the disc guide 79 it shifts to the front side and removes It warns against damaging the guide of the slider 17 and 18 17 18 DISC GUIDE 79 Removing the clamp lever assy 21 1 The clamp lever assy 21 is ...

Page 15: ...s removed from the connector 2 The screw for adjustment A is removed 1 screw Is care ful not to lose the floating spring 56 3 pcs 3 Removing the chassis 3 5 scews B and the traverse chassis ASSY 4 Removing the pickup arm 22 1 screw E Note The screw for pickup arms E is not reusable Please be sure to exchange DISASSEMBLY AND ASSEMBLY OF MECHANISM Assembly Preparation The Optical Laser pickup VPU1 c...

Page 16: ... the slider for the boss of the main chassis 1 Note Right side 17 same as disassembly for left side 18 62 62 SLIDER 18 SLIDER 18 Removing the Loading Motor VM3 1 The lead 2 places of the loading motor VM3 is removed 2 The washer J 2 pcs and loading motor VM3 is removed Note Be careful of direction of the gear 36 37 38 and an axis at the time of assembly The washer J for bracket that has stopped th...

Page 17: ...d on the screw B Torque 3 10 kgf cm 9 The loading cam 30 is fixed on the screw D Torque 1 5 10 kgf cm 10 The spring 58 is fixed to the trigger slider 15 and the loading slider 16 11 The spring 64 is fixed to the rear lock arm 24 19 K B D 30 58 64 24 16 15 65 23 1 Assembly for the loading cam 30 drive arm 19 lock slider 23 and rear lock arm 24 1 The trigger slider 15 is fixed in the main chassis 1 ...

Page 18: ...0 R134 CP11 C31 C14 X85 C130 C101 L22 L23 L26 R72 C90 C91 R83 R139 R140 R110 C132 R137 R136 R81 R80 L27 C92 C60 CP15 R76 C94 L24 C131 C95 R133 R101 R93 C99 R107 R108 R135 R99 C102 C103 C97 C96 L25 C100 L1 D8 D7 S5 S4 DVD UNIT X37 1020 0x J74 1352 22 1 1 4 3 1 1 I G O 3 5 4 2 2 4 3 30 90 91 120 60 31 61 IC7 IC5 IC10 IC9 IC8 1 4 8 5 IC11 1 4 8 5 IC12 Q13 B E Q9 B E Q10 B E Refer to the schematic dia...

Page 19: ... R92 R95 C55 R89 R88 R94 R29 C123 C43 R129 C26 R16 R128 D1 D2 D3 D4 D5 Q3 CN4 G D S Q6 CN3 D6 B E Q15 CN1 CN2 CN5 B E Q1 B E Q5 B E Q4 Q2 B B E E R9 R10 R11 R18 R12 C35 C34 C107 C19 C17 R6 R46 R117 R47 R62 R59 R63 R68 R66 R67 R57 L21 L16 C57 L17 L13 CP4 CP6 CP7 C51 L11 L10 C78 C108 R111 L7 R45 R15 R123 R17 R4 R3 TH1 R5 C138 C74 R54 C47 C37 C33 C32 L2 R55 X1 R65 R64 R61 R60 R58 R56 C44 L6 L18 L12 L...

Page 20: ... 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 RFIN RFIN TESTSG AGCO AGCG PEAK BTM RFENV BDO OFTR DCRF RFC VCC3 RFOUT RFDFO GND3 DCFLT DFLTOP DFLTOM VHALF VCC2 VREF2 GND2 AGLVL MON AGFST FEOUT FEN ASOUT AGBAL TEOUT TEN LPC1 LPCO1 LPC2 LPCO2 VFSHT TBAL FBAL POFLT DTRD IDGT STNBY SEN SCK STDI RSCL JLINE VIN5 B VIN6 A VIN7 VIN8 VIN9 VIN...

Page 21: ...0 ADR11 ADR12 ADR13 ADR14 ADR15 ADR16 ADR17 DASPST NMRST WTODC NINT2 VSS1 VDD1 NINT1 NINT0 NDASP NCS3FX NCS1FX DA2 DA0 NPDIAG DA1 NIOCS16 INTRQ NDMACK VDD8 VSS8 IORDY NIORD NIOWR DMARQ HDD15 HDD0 HDD14 VDD9 PO UATASEL VSS9 VDD10 HDD1 HDD13 HDD2 HDD12 HDD3 VDD11 VSS10 HDD11 HDD4 HDD10 HDD5 HDD9 VDD12 VSS11 HDD6 HDD8 HDD7 VDD13 NRESET MASTER VCOF TRCRS CMPIN LPFOUT LPFIN AVSS2 HPFOUT HPFIN CSLFLT RF...

Page 22: ...6 A17 PA1 MNT2 DIRECT PA3 VSS IREQ4 SW AD IREQ5 SW B IREQ6 SW C IREQ7 MNT3 DIROK IREQ3 IREQ2 PS2 HFM ON PS3 AVCC VREF AN0 TEMP DET AN1 AN2 IOP AN3 AN4 1 65V AN5 DRV1 65V DA0 STEP A DA1 STEP B AVSS VSS P17 STDI P16 SCK P15 SEN P14 STANBY P13 TCLKA M1 P11 P10 MD0 MD1 MD2 PG0 SW F PG1 SW E PG2 SW AD CS1 NCS PG4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ...

Page 23: ...ONNECTION WASHER WASHER B B G G G G C B B J J B K B B B B B D B H B B F Bx2 A C B E Bx2 29 22 3 29 56 7 2 69 79 82 809 VPU1 857 810 44 6 4 48 811 870 814 21 60 54 50 83 60 20 50 56x2 VM1 VFC1 60 50 1 50 46 36 38 37 78 60 64 24 19 16 23 66 5 59 77 63 813 839 882 801 840 18 845 840 847 VM2 65 26 25 32 58 15 33 34 35 VM3 30 872 868 873 61 17 43 43 62 62 49 Depends on the model Refer to the parts list...

Page 24: ...7 CK73HB1A104K CHIP C 0 10UF K C78 CC73GCH1H331J CHIP C 330PF J C79 81 CK73HB1C103K CHIP C 0 010UF K C82 CK73HB1A104K CHIP C 0 10UF K C83 CC73HCH1E221J CHIP C 220PF J C84 CC73HCH1H101J CHIP C 100PF J C85 C92 1684 05 CHIP C 82UF M C87 88 CK73HB1C103K CHIP C 0 010UF K C89 CK73FB0J106M CHIP C 10UF M C90 95 CK73HB1A104K CHIP C 0 10UF K C96 CK73GB1A224K CHIP C 0 22UF K C97 98 CK73HB1A104K CHIP C 0 10UF...

Page 25: ...3J CHIP R 10K J 1 16W R88 RK73HB1J103J CHIP R 10K J 1 16W R89 RK73HB1J820J CHIP R 82 J 1 16W R90 RK73HB1J103J CHIP R 10K J 1 16W R91 RK73HB1J220J CHIP R 22 J 1 16W R92 RK73HB1J820J CHIP R 82 J 1 16W R93 RK73HB1J103J CHIP R 10K J 1 16W R94 95 RK73HB1J820J CHIP R 82 J 1 16W R99 RK73HB1J103J CHIP R 10K J 1 16W B0B1B2 R99 RK73HB1J103J CHIP R 10K J 1 16W B3B4B5 R101 RK73HB1J103J CHIP R 10K J 1 16W R103...

Page 26: ...XTENSION SPRING 59 3A G01 3116 14 EXTENSION SPRING 60 2B G01 3117 04 EXTENSION SPRING 61 1B G01 3118 04 EXTENSION SPRING 62 2A G01 3119 04 EXTENSION SPRING 63 3A G01 3121 14 TORSION COIL SPRING 64 3B G01 3140 04 EXTENSION SPRING 65 3B G01 3142 04 TORSION COIL SPRING 66 3B G01 3196 04 TORSION COIL SPRING A1A4A5 66 3B G01 3196 04 TORSION COIL SPRING B1B4B5 69 2A G02 1421 03 FLAT SPRING 77 3A J12 123...

Page 27: ... packet writing DVD R RW corresponds to the multi border Reproduction of the multi session of DVD R is unidentified DVD ROM CD DA DVD VIDEO decoder is required CD ROM DVD AUDIO decoder is required CD TEXT Correspondence for application Protection of copyrights VIDEO CD decoder is required CSS CPPM correspondence SVCD decoder is required SACD CD layer only CPRM un correspondence CCCD un corresponde...

Page 28: ...m KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano Italy KENWOOD IBÉRICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia KENWOOD ELECTRONICS HONG KONG LTD Unit 3712 3724 Level 37 Tower 1 Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS GULF FZE...

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