Service manual model: dv-700s.
1 contents specifications.............................................................................................2 advantages of this product......................................................................3 circuit operational description......................................................
2 specifications dvd audio output standards output disc type dvd video-cd cd analogue audio output digital audio output 48/96khz sampling 48khz sampling 44.1khz sampling 44.1khz sampling 44.1khz sampling 44.1khz sampling.
3 advantages of this product · dvd,vcd,cd,cd-r,cd-rw,mp3,pic-cd,cd+g playback function · integrated remote control · multiplex sound playback · mp3 file playback function · gui (graphical user interface) osd (on screen display) by using the [display] button on the remote control, information on the ...
Dvd one board consists of: loader part that reads and transmits audio and video data saved at optic discs (dvd, cd-da, vcd, cd-r) to mpeg decoder part; mpeg decoder part, which, by decoding and encoding data received from the loader, produces analog signals; and u-com that controls the overall syste...
Circuit operational description 3.Loader part the loader which read the data of audio/video from optic disc and transfer them to mpeg decoder can be divided into deck total dvd assay(in a short term, mecha) and servo. Mecha mounts with the optical pick-up which allows reading the signal of a disc us...
6 circuit operational description 1) motor drive ic: at5868s the at5868s is a 5-channel btl driver ic for driving the motors and actuators in products such as cd-rom/dvd-rom/dvd-player drives. Two of the channels use current feedback to minimize the current phase shift caused by the influence of loa...
Circuit operational description mpeg decoder the signal read from dvd disc is output into the rf signal and servo related signal through the rf ic and they are input into the mpeg decoder and processed the mpeg decoding and divided into video/audio signal. The video signal is output into the analog ...
8 circuit operational description es6698 vibratto-ii system block diagram es6698 vibratto-ii block diagram.
Circuit operational description 9 2. Dvd servo afe ic : es6603 the es6603 is a high-performance, single-chip analog front-end (afe) device that contains the servo functions, rf attenuator, automatic gain controller (agc), and programmable equalizer/filter for a dvd player system, and dual auto laser...
Circuit operational description dvd servo afe ic : es6603 block diagram 10
Circuit operational description 11.
12 circuit operational description 3. Flash memory : a29800uv-70(a29800tv-70/at49f8192at/hy29f800abt-70) this stores every program required for the operation of dvd player and holds the data of osd languages and logo and send them upon request from u-com. This allows the update of firmware by cd-r/r...
Circuit operational description 13 4. Eeprom : s524c20d21(ht24lc02) this stores the information related to setup of dvd menus. This can read and write the optional information such as osd, voice, language option after function for subtitle etc, the aspect or method of tv display, video option like d...
14 circuit operational description 5. Sdrom : hy57v641620hgt-h(hy57v641620hgt-55) this sends and receives data with mpeg decoder and performs the video signal processing. Every video signal output from dvd player is once stored in sdram and then encoded in mpeg decoder and finally output into the an...
Hy57v641620hgt-h block diagram circuit operational description 15.
16 6. Dac : da1132 da1132 is a high performance stereo digital to analog converter for consumer electronics applications such as, vcd/dvd player, dvd-rom driver, mpeg-2 card, set-top box, and home theaters etc. It accepts input word length of 16, 18, 20, and 24bits and supports audio sampling freque...
Voltage charts power board output voltage j1 pin number output voltage 1 2 3 4 5 6 7 8 9 gnd s5v 3.3v d5v gnd a5v gnd +12v -12v j2 pin number output voltage 1 2 3 4 5 6 sw f- f+ gnd -24v stb5v decode board input voltage cn1 pin number output voltage 1 2 3 4 5 6 7 8 9 gnd s5v 3.3v d5v gnd a5v gnd +12...
1. Power supply schematic diagram circuit diagram 18.
2. Decode board schematic diagram circuit diagram 1) vibratto-ii 19.
2) es6603 and motor drivers circuit diagram 20
3) audio and power circuit diagram 21.
4) audio filter and output circuit diagram 22.
5) flash & sdram circuit diagram 23.
6) scart circuit diagram 24.
3. Control board schematic diagram circuit diagram 25.
4. Microphone board schematic diagram circuit diagram 26.
1. Power supply board pcb circuit board 27.
2. Decode board pcb circuit board 28.
3. Control board pcb circuit board 29.
4. Microphone board pcb circuit board 30
Instrument disassembly 31 perform all disassembly procedures in the order presented. When reassembling, use the reverse procedure. Make sure that all leads/ wiring are routed correctly when reassembling..
Instrument disassembly 32 remove three hooks. Remove three hooks, simultaneously, remove panel..
Instrument disassembly 33 c. Decode board disassembly remove three screws. Remove four screws, remove power supply board. D. Power supply board disassembly.
Instrument disassembly 34 e. Yuv output board disassembly remove two screw, remove scart output board. Remove four screws, remove dvd loader. F. Dvd loader disassembly fig. 5 fig. 6.
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