Kenwood-DVF3080-cd-sm 电路图 维修手册.pdf

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1、DVD/VCD/CD PLAYER DVF-3080-S/8100 SERVICE MANUAL 2004-7 PRINTED IN KOREA B51-5894-00 (K/K) PDF 70%70% POWRE OUT OUT OUTOUT YCBCR COMPONENT VIDEO AUDIOVIDEO RL DIGITAL OUT (PCM/BIT STREAM) COAXIAL S VIDEO Panel * (A60-) Tray panel * (A29) Front glass (B03-3945-08) Jack, RCA * (E63-) Case (A01-3925-08

2、) Power cord * (E30-) In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser product safety. KENWOOD Corp. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation w

3、hen open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. Caution : No connection of ground line if disassemble the unit. Please connect the ground line on rear panel, PCBs, Chassis and some others. * Refer to parts list on page 31. RadioFans.CN 收音机爱 好者资料库 DVF-3080-S/8100 2 CONTENTS / ACCESSOR

4、IES / CAUTIONS Please confirm that the following accessories are present. Audio cord (Red, White) .(1) (E30-7334-08) : K,P,Y (E30-7335-08) : E,X Batteries (R03/AAA -size) .(2)Remote control unit .(1) (A70-1660-08) Video cable(Yellow) .(1) (E30-7332-08) : K,P,Y (E30-7333-08) : E,X Coaxial cable (Blac

5、k) .(1) (E30-7336-08) : E,X (E30-7337-08) : K,P,Y The marking of products using lasers (For countries other than U.S.A. and U.S.-Military) The marking this product has been classified as Class 1. It means that there is no danger of hazardous radiation outside the product. Location: Back panel CLASS

6、1 LASER PRODUCT Caution on condensation Before transporting or moving this unit, carry out the following operations. 1. Set the POWER ON/OFF switch to the ON without loading a disc. 2. Wait a few seconds and verify that the display shown appears. NO DISC 3. Set the POWER ON/OFF switch to OFF. Note r

7、elated to transportation and movement Condensation (of dew) may occur inside the unit when there is a great difference in temperature between this unit and the outside. This unit may not function properly if condensation occurs. In this case, leave the unit for a few hours and restart the operation

8、after the condensa- tion has dried up. Be specially cautious against condensation in the following circum- stances: When this unit is carried from one place to another across a large difference in temperature, when the humidity in the room where this unit is installed increases, etc. DTS and DTS Dig

9、ital Out are reg- istered trademarks of Digital Theater Systems, Inc. Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are trademarks of Dolby Laboratories. The microprocessor may fall into malfunction (impossibility to operate erroneous display, etc.) when the power

10、 cord is unplugged while power is ON or due to an external factor. In this case, switch off the power, wait for several seconds, and then switch the power on again. Operation to reset ACCESSORIES CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS.2 DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .4 DECK MECHANISM .7

11、 ELECTRICAL TROUBLESHOOTING GUIDE .11 WAVEFORMS.15 PC BOARD .19 CIRCUIT VOLTAGE CHART .21 SCHEMATIC DIAGRAM .23 EXPLODED VIEW .30 PARTS LIST.31 SPECIFICATIONS.BACK COVER CONTENTS RadioFans.CN 收音机爱 好者资料库 DVF-3080-S/8100 3 DISASSEMBLY FOR REPAIR 1) Insert and push a Driver in the emergency eject hole(

12、A) at the right side, or put the Driver on the Lever(B) of the Gear Emergency and pull the Lever(B) in direction of arrow so that the Tray Disc is ejected about 1520mm. 2) Pull the Tray Disc until it is separated from the Base Main completely. Fig. How to Reset Parental Lock. 1. Connect the TV set t

13、o DVF-3080. 2. Push the power switch of DVF-3080 to be on. 3. Check the display of DVF-3080 shown “NO DISC”. 4. Push the “SETUP” key of remote control and TV has “set up menu” 5. Select the “16:9” on TV. 6. Push #key 1 3 9 7 1 3 9 and ENTER. Push #key again if mistype. 7. Push the power switch of DV

14、F-3080 to be off. RadioFans.CN 收音机爱 好者资料库 DVF-3080-S/8100 4 BLOCK DIAGRAM M M DISC SPINDLE MOTOR LOADING MOTOR DVD : A,B,C,D,RF0 CD : A,B,C,D,E,F,RF0 CDMDI,DVDMDI PICK UP KEY Input 6MHz B/Pb IC502 KV802. KV852. 1M 8BIT FLASH ROM M-RESET ROMAD0:19 ROMRD ROMWR MD00:15 L/R CVBS R/Pr G/Y TV_DAC0:3YC VF+

15、 AC 90V240V 50HZ/60Hz VF- -27VA 5V VD33,VD33D 12V 27MHz PWRCTL 1.8V IC504 AT24C02A EEPROM IC602 OP-AMP RC901 R/C LOAD+,- FOCUS+,- TRACK+,- SPINDLE+,- SLED (FEEDING) MOTOR SLED+,- M VD33D VD33D VD18/VD33 VD33D/5V BCLK LRCLK DACCLK IC604 MM1623XFBE VIDEO BUFFER IECDAOUT COAXIAL SPDI D2_T1:3 SCART_16:9

16、 RGB_SEL 3V3M CDLD,DVDLD,SVREF21 5V/8V HOMESW INSW,OUTSW ROMDATA0:7 5.2VA IC901 GMS81C2012(Hynix) Front Micom POWER BOARD VFD_RXD S_REQ 5.2VA 8V DMUTE IIC/VFD/DAC_SCK IC503 1M 16BIT 4Bank SDRAM VD33D IIC/VFD/DAC_TXD +12V 5V YC_MIX VIDEO_SW SER3,DAC_ML0 OPEN,CLOSE,SLEGP,SPINDLE,FOCUS,TRACK,SVREF IC50

17、6 74LCX373 VD33D GPOPALE DAC_RST DMUTE D2_T1:3 SCART_16:9 RGB_SEL DAC_RST CD_DVD, VR_CD,VR_DVD CD_DVD_CT XSFGN,XSFGP CN505 EJTAG TRST TDI TDO TMS TCK 3.3V1 3.3V2 VD18 IC601 CS4391 2DAC IC201 IP4504 DRVSB OPU_SEL JACK -27VA/VF+/VF- DIG901 FLD DISPLAY MA00:11 DMCLK CSJ BA0 BA1 DQM WEJ CASJ RASJ IC501

18、ALi M3355 1. Overall Block Diagram DVF-3080-S/8100 5 BLOCK DIAGRAM 8VT 5VD -23VA VF+ RECTIFIERLINE FILTER SWITCHING IC TRANS FEED B. 5.2VA VF- RECTIFIER(FLD) RECTIFIER(3.8V) RECTIFIER(10V) LPF LPF RECTIFIER(14V) LPF 12V PWR CTL MULTI REG. 1.8V 3.3V RECTIFIER(5.2V) LPF AC100240V ON/OFF PICK UP IC501

19、ALI M3355 DVDPLAYER COMBO CHIP MD IC201 IP4504 Motor Driver IC503 64M SDRAM FLASH ROM EEP ROM DVDLD,CDLD,CD_DVD DVDMDI.CDMDI SVREF21 DVD:A,B,C,D,RFO CD:A,B,C,D,E,F,RFO SLEGP,SPINDLE FOCUS,TRACK DRVSB,CLOSE OPEN,SVREF15 FOCUS+,FOCUS- TRACK+,TRACK- SPINDLE+,SPINDLE- SLED+,SLED- LOAD+,LOAD- OPENSW,CLOS

20、ESW,LIMITSW MA0:11 DQM CLK CS CAS RAS WE MD0:15 IIC/VFD/DAC_SCK IIC/VFD/DAC_TXD ROMAD0:21 ROMRD ROMWR ROMDATA0:7 2. Power(SMPS) Block Diagram 3. SERVO Block Diagram DVF-3080-S/8100 6 BLOCK DIAGRAM 4. MPEG 44.1, 48 kHz) . 4 fs (Sampling frequency; 96 kHz) Audio section Frequency response Sampling fre

21、quency ; 44.1 kHz . 8 Hz 20 kHz Sampling frequency ; 48 kHz . 8 Hz 22 kHz Sampling frequency ; 96 kHz . 8 Hz 44 kHz Signal to noise ratio . More than 100 dB Dynamic range. More than 92 dB Total harmonic distortion . Less than 0.007 % (1 kHz) Channel separation. More than 90 dB (1 kHz) Wow and flutte

22、r . Below measurable limit Analog output level/impedance .2 V / 550 Digital output level/impedance COAXIAL. 0.5 Vp-p / 75 OPTICAL (Only DVF-8100 for Europe) . -21 dBm -15 dBm (Wave length 660 nm) Video Section Video output format .NTSC/PAL Video compression DVD . MPEG-2 Composite video output level

23、. 1 Vp-p (75 load, sync. negative) S-video output level (Except for Europe) (Y-signal) . 1 Vp-p (75 load, sync. negative) (C-signal) NTSC . 0.286 Vp-p (75 ) PAL . 0.300 Vp-p (75 ) Component Video output level (Y-signal) . 1 Vp-p (75 ) (Cb-signal). 0.7 Vp-p (75 ) (Cr-signal). 0.7 Vp-p (75 ) RGB outpu

24、t level (SCART) (For Europe).0.7 Vp-p (75 ) Horizontal resolution . More than 500 lines Video signal to noise ratio . More than 70 dB General Power consumption . 12 W Dimensions . W : 440 mm (17-5/16 ) . H : 44 mm (1-3/4 ) . D : 249 mm (9-13/16 ) Weight (net) (DVF-3080). 2.2 kg (4.9 lb) (DVF-8100). 2.3 kg (5.1 lb) 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). NoteNoteNote