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Magnavox MWD200GA Service Manual

Other manuals for MWD200GA: Owner's Manual
Manual is about: DVD PLAYER

Summary of MWD200GA

  • Page 1

    Service manual dvd player mwd200ga open/ close play stop ir.

  • Page 2: Important Safety Notice

    Important safety notice proper service and repair is important to the safe, reliable operation of all funai equipment. The service procedures recommended by funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should b...

  • Page 3: Specifications

    1-1-1 e6a60sp specifications notes: 1. All items are measured without pre-emphasis unless otherwise specified. 2. Power supply: ac 120 v, 60 hz 3. Load impedance: 100 k Ω load (audio output) 4. Room ambient: +25 °c item conditions unit nominal limit 1. Video output 75 Ω load vpp 1.0 ± 0.1 2. Coaxial...

  • Page 4

    1-2-1 e7nlsp laser beam safety precautions this dvd player uses a pickup that emits a laser beam. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on. Do not loo...

  • Page 5: Important Safety Precautions

    1-3-1 dvdn_isp important safety precautions product safety notice some electrical and mechanical parts have special safety-related characteristics which are often not evident from visual inspection, nor can the protection they give necessarily be obtained by replacing them with components rated for ...

  • Page 6

    1-3-2 dvdn_isp safety check after servicing examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance w...

  • Page 7: Standard Notes For Servicing

    1-4-1 dvdn_sn standard notes for servicing circuit board indications 1. The output pin of the 3 pin regulator ics is indicated as shown. 2. For other ics, pin 1 and every fifth pin are indicated as shown. 3. The 1st pin of every male connector is indicated as shown. Instructions for connectors 1. Wh...

  • Page 8

    1-4-2 dvdn_sn 3. The flat pack-ic on the cba is affixed with glue, so be careful not to break or damage the foil of each pin or the solder lands under the ic when removing it. With soldering iron: 1. Using desoldering braid, remove the solder from all pins of the flat pack-ic. When you use solder fl...

  • Page 9

    1-4-3 dvdn_sn with iron wire: 1. Using desoldering braid, remove the solder from all pins of the flat pack-ic. When you use solder flux which is applied to all pins of the flat pack-ic, you can remove it easily. (fig. S-1-3) 2. Affix the wire to a workbench or solid mounting point, as shown in fig. ...

  • Page 10

    1-4-4 dvdn_sn instructions for handling semi- conductors electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for human body be sure to wear a grounding band (1 m Ω) that is properly grounded ...

  • Page 11

    1-5-1 e6c0sdc cabinet disassembly instructions 1. Disassembly flowchart this flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally. 2. Disassembly method note...

  • Page 12

    1-5-2 e6c0sdc [2] front assembly (l-2) (l-1) (l-1) fig. D2 [3] dvd main cba unit (s-2) cn301 cn302 cn401 cn601 a fig. D3 view for a short the three short lands by soldering. (either of two places.) fpc cable [4] dvd mechanism (s-3) (s-3) fig. D4 (s-3) [5] av cba (s-4) (l-3) fig. D5 (l-3).

  • Page 13

    1-5-3 e6c0sdc 3. How to eject manually 1. Turn the unit over. 2. Insert the shaft less than a diameter of 3 mm (e.G. Screwdriver) straightly into the opening as shown. 3. Turn the shaft along with the opening clockwise. 4. Repeat steps 2 and 3 until the tray will open. 5. Pull the tray slowly manual...

  • Page 14

    1-6-1 e6a60int how to initialize the dvd player to put the program back at the factory-default, initialize the dvd player as the following procedure. 1. Press [1], [2], [3], [4], and [display] buttons on the remote control unit in that order. Fig. A appears on the screen. 2. Press [clear] button on ...

  • Page 15: Firmware Renewal Mode

    1-7-1 e6a60fw firmware renewal mode 1. Turn the power on and remove the disc on the tray. 2. To put the dvd player into version up mode, press [9], [8], [7], [6], and [search mode] buttons on the remote control unit in that order. The tray will open automatically. Fig. A appears on the screen. The d...

  • Page 16: Block Diagrams

    1-8-1 block diagrams system control / servo block diagram e6c0sbls ic301 (ser v o drive) cn302 m sled motor m spindle motor ic101 (micr o contr oller) + - + - + - + - + - + - + - spindle mo t o r drive tra cking a ctu a t or drive sled mo t o r drive focus a ctu a t or drive 172 sst op spindle drive...

  • Page 17

    1-8-2 digital signal process block diagram e6c0sbld c1 5 d1 3 e7 f9 a1 4 b1 6 d vd-ld 13 cd-ld 11 pd-moni 14 fcs(+) 19 fcs(-) 18 trc(+) 20 trc(-) 17 cn301 cn301 cn301 ic101 (digit al signal pr ocess) fs fcs(+) cd/d vd fcs(-) trc(+) trc(-) ts detect or cd/d vd 2 q202 amp q201 amp gnd(d vd-pd) 15 gnd(...

  • Page 18

    1-8-3 video / audio block diagram e6c0sblv jk1202 jk1201 amp q1351 ic1201 q1201 q1202 +5v (amp) cn601 cn1601 51 0 a udio(l) 3 12 a udio(r) 41 1 mute a udio(l)- out 7 2 1 3 a udio(r)- out 1 14 spdif +3.3v q1204 5 6 wf6 wf4 wf5 a udio signal video signal d vd main cb a unit a v cb a cn601 96 video-y 7...

  • Page 19: Cold

    1-8-4 e6c0sblp power supply block diagram caution ! Fixed voltage (or auto voltage selectable) power supply circuit is used in this unit. If main fuse (f1001) is blown , check to see that all components in the power supply circuit are not defective before you connect the ac plug to the ac power supp...

  • Page 20

    1-9-1 e7n_sc schematic diagrams / cba’s and test points standard notes warning many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement compone...

  • Page 21

    1-9-2 e7n_sc list of caution, notes, and symbols used in the schematic diagrams on the following pages: 1. Caution: for continued protection against fire hazard, replace only with the same type fuse. Attention: pour une protection continue les risqes d'incele n'utiliser que des fusible de mÊme type....

  • Page 22

    1-9-3 dvd main 1/3 schematic diagram e6c0sscd1 1 note: either ic106 or ic107 is used for dvd main cba unit..

  • Page 23

    1-9-4 dvd main 2/3 schematic diagram e6c0sscd2.

  • Page 24

    1-9-5 dvd main 3/3 schematic diagram e6c0sscd3.

  • Page 25

    1-9-6 av 1/2 schematic diagram e6c0sscav1 caution ! Fixed voltage (or auto voltage selectable) power supply circuit is used in this unit. If main fuse (f1001) is blown , check to see that all components in the power supply circuit are not defective before you connect the ac plug to the ac power supp...

  • Page 26

    1-9-7 av 2/2 schematic diagram e6c0sscav2.

  • Page 27

    1-9-8 be6c0sf01013 av cba top view caution ! Fixed voltage (or auto voltage selectable) power supply circuit is used in this unit. If main fuse (f1001) is blown , check to see that all components in the power supply circuit are not defective before you connect the ac plug to the ac power supply. Oth...

  • Page 28

    1-9-9 wf2 pin 8 of cn1601 wf1 pin 6 of cn1601 wf3 c1402 plus lead wf4 pin 10 of cn1601 wf5 pin 12 of cn1601 wf6 pin 14 of cn1601 av cba bottom view be6c0sf01013 caution ! Fixed voltage (or auto voltage selectable) power supply circuit is used in this unit. If main fuse (f1001) is blown , check to se...

  • Page 29: Waveforms

    Waveforms e6c0swf 1-10-1 wf6 wf1 wf3 wf4 wf5 wf2 pin 14 of cn1601 pin 6 of cn1601 c1402 plus lead pin 10 of cn1601 pin 12 of cn1601 pin 8 of cn1601 20 µs 0.2v video-y video-c 0.2v 20 µs video-cvbs 0.5v 20 µs audio(l) 0.5v 0.5ms 0.5ms audio(r) 0.5v 0.5ms spdif 1v 0.1 µs note: input dvd: color bar sig...

  • Page 30: Wiring Diagram

    Wiring diagram e6c0swi 1-11-1 cn301 cn302 tray-in ev+1.2v 1 1 ev+1.2v 2 2 ev+3.3v 4 4 ev+3.3v 5 5 p-on+3.3v 6 6 p-on+5v 7 7 ev+10v 8 8 ev+10v 9 9 gnd 10 10 gnd 11 11 gnd 12 12 gnd 13 13 gnd 14 14 gnd 15 15 gnd 16 16 pwrcon 17 17 key-scan 18 18 remote 19 19 cn401 cn1001 ac cord audio(l)- out audio(r)...

  • Page 31

    1-12-1 e6c0sti system control timing charts sld pwm (tp317) sstop (tp322) spd pdm (tp301) fod (tp323) trd (tp318) tray close ~ play / play ~ tray open tray close play tray open.

  • Page 32: Lead Identifications

    1-13-1 e6c0sle lead identifications 1 2 3 g d s 8 5 4 1 1: r 2: a 3: k 1 2 3 1 2 4 3 1: a 2: k 3: e 4: c 8 5 4 1 mm1636xwre 1: gnd 2: vout 3: vin e c b e c b c b e note: a: anode k: cathode e: emitter c: collector b: base r: reference g: gate d: drain s: source kia4558f-el/p ktc3203-y-at/p kta1267-y...

  • Page 33: Exploded Views

    1-14-1 e6c0scex exploded views cabinet ac1001 av cba see electrical parts list for parts with this mark. Some ref. Numbers are not in sequence. 2l021 2l021 a16 a1x a23 a15 a22 a21 a29 2l105 2l011 2l011 2l031 dvd main cba unit 1b1 jk1202 jk1201 jk1403 jk1401.

  • Page 34

    1-14-2 e6c0spex packing a22 s1 s2 s4 unit s2 x10 x5 x2 x4 x1.

  • Page 35: Mechanical Parts List

    20060719 1-15-1 e6c0sca mechanical parts list product safety note: products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through imp...

  • Page 36: Electrical Parts List

    20060719 1-16-1 e6c0sel electrical parts list product safety note: products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through imp...

  • Page 37

    20060719 1-16-2 e6c0sel l1350 inductor(100 µh k) lap02ta101k llaxkattu101 l1351 chip res.(1608) 1/10w 0 Ω rrxazr5z0000 l1401 pcb jumper d0.6-p5.0 jw5.0t l2031 inductor(100 µh k) lap02ta101k llaxkattu101 transistors q1002 transistor kta1267-y-at/p nqsykta1267p q1003 transistor ktc3199-gr-at/p nqs4ktc...

  • Page 38

    Mwd200ga e6c0sud 2006-08-10