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DVD MECHANISM ASSY
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
SERVICE MANUAL
DESCRIPTION MECHANISM
X92-4400-00 (DVS-3000) :
X92-4400-01 (DVS-3001) :
X92-4730-00 (DVS-3010) :
X92-4730-01 (DVS-3011) :
CONSTRUCTION OF MAJOR PARTS
FRONT CHASSIS ASSY
DISC GUIDE ASSY
ROLLER LEVER ASSY
X92-4740-00 (DVS-3020) :
X92-4740-01 (DVS-3021) :
X92-4740-02 (DVS-3022) :
X92-4740-03 (DVS-3023) :
OUTER CHASSIS ASSY
DAMPER x 4
© 2003-6 PRINTED IN JAPAN
B53-0052-00 ( N ) 3365
X92-4750-00 (DVS-3030)
X92-4750-01 (DVS-3031)
X92-4750-02 (DVS-3032)
X92-4750-03 (DVS-3033)
FLOATING SPRING x 4
CLAMP CHASSIS ASSY
MAIN CHASSIS ASSY
DVD UNIT
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Related Manuals for Kenwood X92-4400-0 Series
Summary of Contents for Kenwood X92-4400-0 Series
- Page 1 DVD MECHANISM ASSY X92-4400-0x/4730-0x X92-4740-0x/4750-0x SERVICE MANUAL © 2003-6 PRINTED IN JAPAN B53-0052-00 ( N ) 3365 DESCRIPTION MECHANISM X92-4400-00 (DVS-3000) : X92-4740-00 (DVS-3020) : X92-4750-00 (DVS-3030) X92-4400-01 (DVS-3001) : X92-4740-01 (DVS-3021) : X92-4750-01 (DVS-3031) X92-4730-00 (DVS-3010) : X92-4740-02 (DVS-3022) : X92-4750-02 (DVS-3032) X92-4730-01 (DVS-3011) : X92-4740-03 (DVS-3023) :...
- Page 2 X92-4400-0x/4730-0x X92-4740-0x/4750-0x DVD MECHANISM TABLE MODEL NAME X92-4400-00 X92-4400-01 X92-4740-00 X92-4740-01 X92-4740-02 X92-4740-03 MECHANISM NAME DVS-3000 DVS-3001 DVS-3020 DVS-3021 DVS-3022 DVS-3023 X37-1020-00 X37-1020-00 X37-1020-00 X37-1020-00 X37-1020-00 X37-1020-00 PICKUP T25-0222-05 T25-0222-05 T25-0222-05 T25-0222-05 T25-0222-05 T25-0222-05 ™ ™ ™ ™ ™ ™ ™...
- Page 3 X92-4400-0x/4730-0x X92-4740-0x/4750-0x BLOCK DIAGRAM DVD MECHANISM ASS'Y ( X92-4400-0x : DVS-300x / X92-4740-0x : DVS-302x ) D3.3V DVD UNIT (X37-1020-00) DISC RESET IC S-80829CLBB VPU1 16.897849MHz DVD LD/CD LD SPINDLE D5V A3.3V D3.3V 1.8V CN4 : MOTOR VC(2.2V) Q1,2,4,5 50PIN MD(DVVD/CD) OPTICAL LASER PICKUP...
- Page 4 X92-4400-0x/4730-0x X92-4740-0x/4750-0x BLOCK DIAGRAM DVD MECHANISM ASS'Y ( X92-4730-0x : DVS-301x / X92-4750-0x : DVS-303x ) D3.3V DVD UNIT (X37-1020-01) DISC RESET IC S-80829CLBB VPU1 16.897849MHz DVD LD/CD LD SPINDLE D5V A3.3V D3.3V 1.8V CN4 : MOTOR VC(2.2V) Q2,4,5 50PIN MD(DVVD/CD) OPTICAL LASER PICKUP...
- Page 5 X92-4400-0x/4730-0x X92-4740-0x/4750-0x COMPONENTS DESCRIPTION DVD UNIT (X37-1020-00/01) Ref. No. Component Name Application/Function/Operation/Condition AN8703FH RF signal processor NJU7042 IOP detector OP amp MN103S26E ATAPI interface, Servo/Spindle/Seek control, DVD ROM/CD ROM digital signal processor, 2M DRAM S-80829CLBB System reset IC LA6505 Motor & pickup actuator driver DF2328VTE254Q8 System microprocessor S-80815CLBB...
- Page 6 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Purpose / Description / Processing / Operation Power supply input terminal 34~37 (NC) NC (PULL UP) 39~42 (NC) NC (PULL UP) 43~46 CPUDT0~3 DATA bus 48~51 CPUDT4~7 DATA bus Power supply input terminal (NC) (NC) Flash memory data output terminal...
- Page 7 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Purpose / Description / Processing / Operation AVcc A/D converter Power supply input terminal Vref A/D converter reference voltage input terminal TEMP_DET Temperature sensor input terminal (NC) IOP monitor terminal (NC) VHALF Reference 1.65V input terminal DRV_HALF...
- Page 8 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION CONSTRUCTION OF MAJOR PARTS This mechanism consists of five units. 3. Disc guides assy (Maintenance and positioning of a disc 1. Main chassis assy (Maintenance of a disc and reading of and the crack to disc is prevented) signal) 4.
- Page 9 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION Loading the disc BASIC CONSTRUCTION When the loading motor starts rotation, the worm gear also The following figure is looked at the mechanism for the re- starts to turn as shown in the figure. verse-side. The rotation force is transmitted to the gear train.
- Page 10 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION Initial operation of the trigger slider Operation of the loading slider When the pressure of the disc rotates the trigger arm, the trig- When the trigger slider begins to move out for arrow side, the ger arm (part of A position) pushed the trigger slider (part of B boss part of the trigger slider will push the loading slider and position).
- Page 11 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION Coupling condition • Lowering the clamp lever assy (for disc chucking) The parts used for performing the above functions are coupled As loading slider moves for arrow side, the plate spring sec- with the loading slider as shown below. tion contact with it moves along its groove and lowers the clamp q Moving the clamp lever assy downward part lever assy.
- Page 12 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION 2) Operation of drive arm Floating position and lock position of the mechanism The pin to the drive arm is originally contacted with groove The disc is loaded and ejected by rotation of the rollers that on loading slider cam.
- Page 13 X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION • Floating position and mechanism lock position 2) Rear lock arm for lock and release function This mechanism has to two-lock system for front and rear part. The rear lock arm is pinched between the outer chassis and the main chassis, and position regulation of the back part is 1) Lock arm for lock and release function carried out.
- Page 14 X92-4400-0x/4730-0x X92-4740-0x/4750-0x DISASSEMBLY AND ASSEMBLY OF MECHANISM Removing the outer chassis assy (4) Removing the clamp lever assy (21) 1) Removing the front chassis assy (6 or 7: 2 screws). 1) The clamp lever assy (21) is stood and it shifts upward and 2) Removing the stopper (48: 1 screw).
- Page 15 X92-4400-0x/4730-0x X92-4740-0x/4750-0x DISASSEMBLY AND ASSEMBLY OF MECHANISM Repair for Optical Laser pickup (VPU1) • Assembly When you change the Optical Laser pickup (VPU1) you must Preparation: The Optical Laser pickup (VPU1), cam (29: 2 pcs) be used adjustment jig and cam change jig are required. And and the shaft (44) are assembled with cam press fit jig.
- Page 16 X92-4400-0x/4730-0x X92-4740-0x/4750-0x DISASSEMBLY AND ASSEMBLY OF MECHANISM Removing the DVD unit (PCB) Removing the slider (17 and 18) 1) The lands (2 points) for LD protection of the Optical Laser 1) Removing the spring (62). pickup is short-circuited with solder. 2) Move the slider (18) in the center of main chassis (1).
- Page 17 X92-4400-0x/4730-0x X92-4740-0x/4750-0x DISASSEMBLY AND ASSEMBLY OF MECHANISM Disassembly for loading cam (30) drive arm (19), lock slider (23), and rear lock arm (24) 1) The screw (D) and the loading cam (30) are re- moved. Note: The screw for loading cam (D) is not reus- able.
- Page 18 X92-4400-0x/4730-0x X92-4740-0x/4750-0x PC BOARD (COMPONENT SIDE VIEW) DVD UNIT X37-1020-0x (J74-1352-22) X37-1020-0x Address IC12 C116 C117 R109 IC11 C104 R138 CP12 R141 R134 CP11 R142 C129 R143 C134 C130 C101 CP16 R132 IC10 C133 CP13 Refer to the schematic diagram for the values of resistors and capacitors.
- Page 19 X92-4400-0x/4730-0x X92-4740-0x/4750-0x PC BOARD (FOIL SIDE VIEW) DVD UNIT X37-1020-0x (J74-1352-22) X37-1020-0x Address SW-F DVD C DVD D DVD A DVD B B CD R123 CD F SLD2 R127 CD E R121 C135 AGND A CD C136 CD MD R122 R129 C106 R117...
- Page 20 X92-4400-0x/4730-0x X92-4740-0x/4750-0x DVD UNIT (X37-1020-0x) AGND TP84 TP71 TP64 R13 1.2M ACT T- 2.48V C17 470P TP65 2.25V 2.02V ACT F+ 3.3V TP66 C135 ACT F- TP74 TP67 R121 CD B 2.2V ACT T+ VIN5(B) 3300P 1.7V R122 DCFLT 2.2V TP75 CD A DVD VCC...
- Page 21 X92-4400-0x/4730-0x X92-4740-0x/4750-0x VOLTAGE A3.3 FBAL DETECTOR TP72 TP22 TP20 TP19 TP17 TP18 (RESET) OFTR C126 4.7K JLINE C132 0.01 R111 TP23 3.3V 3.3V 0.01 4.7K 16.898MHz C127 0.01 R42 1M VHALF TP85 0.01 VCOF 16.897849MHz R141 0.01 3.1V 2.3V 16.897849MHz 3.3V TRCRS 1.65V...
- Page 22 X92-4400-0x/4730-0x X92-4740-0x/4750-0x UN5114 UN5214 2SD1819A C132 TP55 CP12 0.01 4.7K LOADING CONTROL R81 10K 3.3V MA142WA ∗ 3.3V R80 10K SEL0 3.3V 3.3V 16.897849MHz 3.3V PS2(HFM.ON) 2.5V R141 0.7V 3.3V 3.3V R135 AVCC SCK1 3.3V 3.3V VREF P34(LOAD) TP51 R107 RXD1 3.3V RXD1...
- Page 23 X92-4400-0x/4730-0x X92-4740-0x/4750-0x EXPLODED VIEW ADJUSTMENT N09-4495-05 φ2x5 N09-4496-05 M1.7x1.8 N09-6060-05 M1.7x3.5 N09-6061-05 M1.7x3.5 N09-6103-05 φ2x10 N09-6104-05 M1.7x2.5 N09-6106-05 CONNECTION N09-6122-05 WASHER N19-2022-04 WASHER N19-2171-04 VPU1 VFC1 32 58 (X37-) Depends on the model. Refer to the parts list. Parts with the exploded numbers larger than 700 are not supplied.
- Page 24 X92-4400-0x/4730-0x X92-4740-0x/4750-0x PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No.
- Page 25 X92-4400-0x/4730-0x X92-4740-0x/4750-0x PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. DVD UNIT (X37-1020-00/01) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref.
- Page 26 X92-4400-0x/4730-0x X92-4740-0x/4750-0x PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. DVD UNIT (X37-1020-00/01) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref.
- Page 27 X92-4400-0x/4730-0x X92-4740-0x/4750-0x SPECIFICATIONS ITEM DVD-ROM (SINGLE/DUAL) CD-ROM (XA) DVD-R * CD-DA Ver1.0 CD-R * Ver2.0 for General CD-RW * Ver2.0 for Authoring DVD-RW * Ver1.0 Correspondence for physical media Ver1.1 DVD+R * DVD+RW * * Record media may be unreproducible with the performance of disc and disc writer. CD-R and CD-RW correspond to multi-session and packet-writing.
- Page 28 KENWOOD ELECTRONICS GULF FZE KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.