Kenwood-DVF-3550-S-Service-Manual 电路图 维修手册.pdf

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1、DVD / CD PLAYER DV-502/503/DVF-3050 DVF-3050-S/3550/3550-S SERVICE MANUAL 2001-5/B51-5731-00 (K/K) 3470 70% In compliance with Federal Regulations, following are repro- duction of labels on, or inside the porduct relating to laser product safety. KENWOOD-Crop. certifies this equipment conforms to DH

2、HS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when 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 t

3、o parts list on page 18 . Front Panel * (A60-) AUDIO OUTPUT COMPONENT VIDEO OUTPUT VIDEO OUTPUT S-VIDEO DIGITAL OUTPUT (PCM/BIT STREAM) OPTICALCOAXIAL L R Cr Cb Y Window * (B10) AC power cord bushing (J42-0350-08) Button(PLAY) * (K27-) Button(SKIP) * (K27-) Button * (K27-) Button(POWER) * (K27-) Top

4、 cover * (A01-) AC power cord * (E30-) RCA jack (E63-1227-08) RCA jack (E63-1226-08) RCA jack * (E63-) RCA jack (E63-1191-08) RadioFans.CN 收音机爱 好者资料库 Cord RCA 1p (E30-7235-08) Cord RCA 3p (E30-2990-08) Remote control unit (1) (A70-1532-08) Batteries (R03/AAA) (2) *AC plug adaptor (1) (E03-0115-05) *

5、 Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) Note related to transportation and move- ment Before transporting or moving this unit, carry out the follow- ing operations. 1. Set the POWER key to ON without loading a dis

6、c. 2. Wait a few seconds and verify that the display shown appears. 3. Set the POWER key to OFF. Beware of condensation When the difference between the internal temperature of the unit and external atmosphere is large, dew (mist) may be produced on the internal parts of the unit. In such a case, tur

7、n the unit ON and leave it for a few hours until the condensation has dried up. Be especially careful in the following conditions: When the unit is brought into a place where there is a large differ- ence in temperature between the previous location, when the humidity of the listening room is high,

8、etc. Operation to reset The microprocessor may fall into malfunction (impossibility to oper- ate erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, exe- cute the following procedure to reset the microprocessor and return it to norm

9、al condition. 1 In POWER ON condition, keep the 7 (STOP) key and the (Search) key pressed at the same time. 2 When both keys are pressed, the region code of the unit, the software version, etc. will be displayed on the display. (When nothing is done, the display of this information continues.) Examp

10、le: 71 . 101 . 06:14 3 Press the ON/OFF key to go to Power OFF. 4 When Power ON is performed with the ON/OFF key, the set- tings become the default factory settings. Please note that resetting the microprocessor clears the con- tents stored in, it returns the microprocessor to the condition when it

11、left the factory. Cautions DV-502/503/DVF-3050/3550 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .4 CIRCUIT DESCRIPTION.5 WIRING DIAGRAM.10 PC BOARD . 11 SCHEMATIC DIAGRAM . 15 EXPLODED VIEW .21 PARTS LIST.22 SPECIFICATIONS .Back cov

12、er Contents Accessories Attention Please contact our KENWOOD Service Department in your side if you want the service information; Circuit Description. Full Described Parts list and so. Information is available to you by internet from us. RadioFans.CN 收音机爱 好者资料库 DV-502/503/DVF-3050/3550 3 DISASSEMBLY

13、 FOR REPAIR How to Remove Disc in unit Slide the lever of the mechanism from bottom side as figure if you cant get the disc on the tray. The marking is located on the rear panel and says that the component uses laser beams that have been clas- sified as Class 1. It means that the unit is utilizing l

14、aser beams that are of a weaker class. There is no danger of hazardous radiation outside the unit. CLASS 1 LASER PRODUCT The marking of products using lasers (Except for some areas) CAUTIONS RadioFans.CN 收音机爱 好者资料库 ADDR F-WE F-RESET F-DE D-RAS0- ADDR RDNOTWR DATA D-CAS0- D-CAS1- +3.3V DIGITAL VCC F/

15、E SDATA EXIT-DATA +3.3V-RESET F/E SCL EXIT-BCLK EXIT-DATAVALID EXT-PSTART/ERROR +12V MOTOR VCC +8V MOTOR VCC +5V DIGITAL VCC SLIDER-IN(DRAWER-CCW-CTRL) SLIDER-OUT(DRAWER-CW-CTRL) SLIDER-OPEN/CLOSE(POWER-POSITION-P1) +12V ANALOG VCC +8V ANALOG VCC +5V DIGITAL VCC -8V ANALOG VCC +12V MOTOR VCC 5V FRON

16、T +8V MOTOR VCC +3.3V DIGITAL VCC : AC240V 50Hz : AC230V 50Hz (X) (T,E) : AC110-120V/220-240V : AC120V 60Hz 50/60Hz (K,P) (Y,M) F-CE F-OE(DRAM OE) -27V FL AC FL AC +5VS STBY ON/OFF CNTL IR REMOCON +5.6VS VFD DATA OUT VFD STB VFD DATA IN PCM1748E-DATA LRCLK BCK PCMCLK PCM1748E-CS PCM1748E-CLK AUDIO-M

17、UTE CVBS-OUT Y-OUT R(Cr)-OUT C-OUT B(Cb)-OUT G(Y)-OUT 9 10 8 6 7 SPDIF PIXCLK-27MHz SCL SDA VIDEO-MUTE VFD CLK DATA IRQ2 POWER CTL L AUDIO R AUDIO GND BLUE-OUT GREEN-OUT RED-OUT CVBS-OUT L-CH OUT R-CH OUT IC201 STI5519 FLASH MEMORY IC401 8MBIT M29F400T-90N1 HY57V651610BLTC-8 SDRAM-64MBIT IC301 F/E 4

18、4.1, 48 kHz) 4 fs (Sampling frequency; 96 kHz) Audio section Frequency response Sampling frequency ; 44.1 kHz . 4 Hz 20 kHz Sampling frequency ; 48 kHz . 4 Hz 22 kHz Sampling frequency ; 96 kHz . 4 Hz 42 kHz Signal to noise ratio.More than 98 dB Dynamic range.More than 95 dB Total harmonic distortio

19、n.Less than 0.005 % (1 kHz) Channel separation.More than 95 dB (1 kHz) Wow and flutter . Below measurable limit Analog output level/impedance.2 V / 1 k Digital output level/impedance COAXIAL. 0.5 Vp-p / 75 OPTICAL.-21 dBm -15 dBm (Wave length 660 nm) Video Section Video output format .NTSC/PAL Video

20、 compression DVD.MPEG-2 Composite video output level .1 Vp-p (75 load, sync. negative) S-video output level (Y-signal).1 Vp-p (75 load, sync. negative) (C-signal) NTSC.0.286 Vp-p (75 ) PAL.0.300 Vp-p (75 ) Horizontal resolution.More than 480 lines Video signal to noise ratio.More than 60 dB General

21、Power consumption . 16 W Dimensions.W: 440 mm(17-5/16) H: 109 mm(4-5/16) D: 325 mm (12-13/16) Weight (net). 4.0 kg (8.8 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). NotesNotes