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  4. DVD-T6300N
  5. Service Manual

Daewoo DVD-T6300N Service Manual

Summary of DVD-T6300N

  • Page 1

    Component descriptions dvd player 1. Precautions 2. Reference information 3. Product specification 4. Operating instructions 5. Disassembly and reassembly 6. Troubleshooting 7. Electrical part list 8. Block diagram 9. Pcb diagrams 10. Wiring diagram 11. Schematic diagrams 12. Oscillograms contents m...

  • Page 2

    2 1) before returning an instrument to the customer, always make a safety check of the entire instrument, including, but not limited to, the following items: (1) be sure that no built-in protective devices are defective or have been defeated during servicing. (1) protective shields are provided to p...

  • Page 3

    3 (5) within the limits specified, there is the possibility of a shock hazard, and the instrument must be re-pared and rechecked before it is returned to the customer. See fig. 1-2. Fig. 1-2 insulation resistance test 2) read and comply with all caution and safety related notes non or inside the cab...

  • Page 4

    4 caution : before servicing instruments covered by this service manual and its supplements, read and follow the safety precautions section of this manual. Note : if unforeseen circument create conflict between the following servicing precautions and any of the safety precautions, always follow the ...

  • Page 5

    5 electrostatically sensitive devices (esd) some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called electrostatically sensitive devices(esd). Examples of typical esd devices are integrated circuits and some field-effect transistors an...

  • Page 6

    6 recommended operating conditions item symbol min. Typ. Max. Unit supply voltage vcc 4.75 5.0 5.25 v high level input voltage vih 2.0 - vcc v low level input voltage vil 0 - 0.8 v *this is an optional output. 2-1-1 fiber optic transmitting module for digital audio equipments (totx178) 2. Reference ...

  • Page 7

    7 component descriptions 2-1-2 ntsc/pal digital video encoder (adv7170).

  • Page 8

    8 component descriptions.

  • Page 9

    9 component descriptions.

  • Page 10

    10 features l single-chip dvd video decoder in a 208-pin pqfp package l supports mpeg-1 system and mpeg-2 program streams l programmable multimedia processor architecture l compatible with audio cd, video cd, vcd 3.0, and super video cd(svcd) l dvd navigation 1 l built-in content scrambling system(c...

  • Page 11

    11 functional description component descriptions.

  • Page 12

    12 component descriptions pinout diagram.

  • Page 13

    13 pin descriptions name number i/o definition vcc 1, 9, 18, 27, 35, 44, 51, 59, 68, 75, 83, 92, 99, 104, 111, 121, 130, 139, 148, 157, 164, 172, 183, 193, 201 i 3.65 v ± 150 mv. La[21:0] 23:19,16:10,7:2,207:204 o device address output. Vss 8,17,26,34,43,52,60,67,76,84,91,98,103, 112,120,129,1 38,14...

  • Page 14

    14 component descriptions name number i/o definition hsynch# 119 i/o horizontal synch for screen video interface, programmable for rising or falling edge, active low. Hd[15:0] 141:140, 137:131, 128:122 o host data bus hcs1fx# 152 o host select 1. Hcs3fx# 153 o host select 3. Hiocs16# 151 i device 16...

  • Page 15

    15 component descriptions 2-1-4 digital-to-analog stereo audio converter (cs4391).

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    16 component descriptions.

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    17 component descriptions.

  • Page 18

    18 component descriptions.

  • Page 19

    19 features fully static design 8-bit cmos microcontroller 256 bytes of on-chip scratchpad ram 8 kb electrically erasable/programmable mtp-rom 64 kb program memory address space 64 kb data memory address space four 8-bit bi-directional ports three 16-bit timer/counters one full duplex serial port(ua...

  • Page 20

    20 component descriptions block diagram absolute maximum ratings parameter symbol min. Max. Unit dc power supply vdd-vss -0.3 +7.0 v input voltage vin vss -0.3 vdd +0.3 v operating temperature ta 0 70 °c storage temperature tst -55 +150 °c.

  • Page 21

    21 pin descriptions symbol descriptions ea# external access enable: this pin forces the processor to execute out of external rom. It should be kept high to access internal rom. The rom address and data will not be presented on the bus if ea pin is high and the program counter is within on-chip rom a...

  • Page 22

    22 features • low-voltage and standard-voltage operation – 5.0 (v cc = 4.5v to 5.5v) – 2.7 (v cc = 2.7v to 5.5v) – 2.5 (v cc = 2.5v to 5.5v) – 1.8 (v cc = 1.8v to 5.5v) • internally organized 128 x 8 (1k), 256 x 8 (2k), 512 x 8 (4k),1024 x 8 (8k) or 2048 x 8 (16k) • 2-wire serial interface • schmitt...

  • Page 23

    23 component descriptions features • 5.0v±40% for read and write operations • access time –70max • current –20 ma typical active read current –30 ma typical program/erase current –1µa typical cmos standby • flexible sector architecture – 8 uniform sectors of 64 kbyte each – any combination of sector...

  • Page 24

    24 block diagram pin descriptions absolute maximum ratings ambient operating temperature ...................... -55°c to +125°c storage temperature ...................................…. -65°c to +150°c voc ground .……………………………………..-2.0v to +7.0v output voltage…………………………………… -2.0v to +7.0v component d...

  • Page 25

    25 component descriptions 2-1-8 256k x 16dynamic ram(t224162b) features n industry-standard x 16 pinouts and timing functions. N single 5v power supply. N all device pins are ttl-compatible. N 512-cycle refresh in 8ms n refresh modes: /ras only, /cas before /ras (cbr) and hidden. N extended data-out...

  • Page 26

    26 block diagram pin configurations component descriptions.

  • Page 27

    27 2-1-9 1mbit(x8) multi-purpose flsh (sst39sf010a) features pin configurations component descriptions.

  • Page 28

    28 block diagram pin descriptions component descriptions.

  • Page 29

    29 2-1-10 system reset monolithic ic pst91xx series features pin assignment component descriptions.

  • Page 30

    30 component descriptions 2-1-11 sp3721a : 6ax dvd analog front end chip features n supports age and equalizer/filter for cd 3x to 32x and dvd 1x to 6x (with rx=8.2kohm) n low power operation (350mw typical @5v) n bi-directional serial port register access n register programmed power management (sle...

  • Page 31

    31 component descriptions channel n 40 mhz bandwidth n supports individual rf inputs for dvd (differential or single-ended) and cd (single ended) n supports internet summing mode for rf signal for dvd and cd respectively n programmable attenuator (min;-24db, 4-bit resolution) n fast attack/decay mod...

  • Page 32

    32 component descriptions pin configurations.

  • Page 33

    33 component descriptions pin description table name number type description input pins dvdrfp, dvdrfn 1,2 i rf signal inputs. Differential rf signal attenuator input pins corf 63 i rf signal input. Signal-ended rf signal attenuator input pin aip, ain 59,60 i agc amplifier inputs. Differential agc a...

  • Page 34

    34 component descriptions pin description table (continued) name number type description analog pins: byp 56 i/o the rf agc integration capacitor cbyp, is connected byp and vpa cp 9 i/o differential phase tracking lpf pin. An external capacitance is connected between this pin and the cp pin. Cn 10 i...

  • Page 35

    35 component descriptions 2-1-12 dvd-rom controller chip (m5705) pin configurations.

  • Page 36

    36 component descriptions block diagram.

  • Page 37

    37 component descriptions pin description table name number type description servo date slicer interface pins xsrfin 2 i/a analog rf signal input xsipin 3 i/a inverting input pin of data slicer xsdsslv 5 o/a slice level output pin xsrslint 6 i/a reference current setting pin for analog data slicer s...

  • Page 38

    38 component descriptions pin description table (continued) name number type description servo control interface pins xsdfct 29 i defect detection signal input xscsj 30 o chip selection signal for accessing control registers xsclk 31 o clock output for accessing control registers xsdata 32 i/o regis...

  • Page 39

    39 component descriptions pin description table (continued) name number type description microcontroller interface pins xgpio[3.0] 48,50, 51,52 i/o these pins are used as general purpose i/o bus xmp1-7 40 i/o internal microcontroller programmable i/o port 1.7 xmp1-6 41 i/o internal microcontroller p...

  • Page 40

    40 component descriptions pin description table (continued) pin name pin no. Type description host interface pins xhcs1j 94 i this pin is used to select the command block task file registers xhcs3j 93 i this pin is used to select the control block task file registers. Xhiorj 103 i asserted by the ho...

  • Page 41

    41 component descriptions pin description table (continued) pin name pin no description power pins avdd5 ds 4 analog power for data slicer part avdd5 da 14 analog power for dac part avdd5 ad 28 analog power for adc part avdd5 pl 168 analog power for data pll part vdd 7,55,76 115,146 150,162 power +3...

  • Page 42

    42 n playback system dvd video video cd (1.1, 2.0, 3.0) svcd and cvd cdda cd-rom with mp3 data n television signal system n video performance video out 1 vpp / 75 ohm s-video out y : 1 vpp / 75 ohm c : 0.286 vpp / 75 ohm component out 0.7 vpp / 75 ohm d/a converter 27mhz / 10bit n audio performance ...

  • Page 43

    43 n connections coaxial digital audio out x1 audio analog out for 2-channel x1 component video (y,pb,pr) x1 composite video out x1 s-video out x1 optical audio out x1(option) n power supply power source ac 90~250v, 50/60hz power consumption n set dimensions (w x h x d) 420 x 84 x 270 (mm ) net weig...

  • Page 44

    44 connecting to audio equipment & tv connecting to a monaural tv set 4. Operating instructions 4-1 basic connections audio equipment tv set connecting to tv (for video) method1: dvd player + tv with video input jack method2: dvd player + tv with s-video jack method3: dvd player + tv with component ...

  • Page 45

    45 connecting to a decoder with a dolby digital or dts processing tv set operating instructions coaxial audio cable (optional) to coaxial digital audio input optical audio cable (optional) to optical digital audio input front surround center surround subwoofer decoder or amplifier with dolby digital...

  • Page 46

    46 press setup button and select video submenu on setup screen. After that, select tv type by pressing down arrow button ( ▼) until desired tv mode is selected. For more information, refer to 7.2 video on the instruction manual. When a dvd disc is loaded, select desired menu item using arrow button ...

  • Page 47

    47 use arrow button and select an mp3 title using the select button then play will start automatically. When you know the title number, enter the mp3 title number using numeric buttons and press the se- lect button. If you want to play an adjacent mp3 title, press the next button for next title and ...

  • Page 48

    48 when you want to view the disc contents very slowly in forward or reverse direction, you can do that by pressing the ff/sf button ( ) or the fr/sr button ( ) during pause mode. There are total 3 steps for dvd and vcd. They are slow 1/2x, slow 1/4x and slow 1/8x for both direction. The slow revers...

  • Page 49

    49 some dvd discs may contain scenes, which have been shot simul- taneously from a number of different angles. If the loaded disc su- pports multiple angles, you can see indicator on the fluorescent display and the tv screen. In the figure shown right, there are total 9 angles. To switch to the angl...

  • Page 50

    50 fig. 1 fig. 2 fig. 3 fig. 4 ` fig. 5 fig. 6 5. Disassembly and reassembly 5-1 open top cabinet let’s begin to disassemble ! Remove 4 screws on back top cabinet. Remove 4 screws on the left and right side. Lift up the cabinet in direction of arrow. You have to lift up in direction of arrow, certai...

  • Page 51

    51 fig. 7 fig. 8 fig. 9 fig. 10 remove 3 screws on the rear panel. Disassemble the power cord. Disjoint a rear panel from body, direction of arrow. View of dissembly, top cabinet and rear panel. ① ② ③ 5-2 rear panel removal.

  • Page 52

    52 fig. 11 fig.12 fig.13 fig.14 fig.15 insert a sharp point into emergency hole, and then push the tap in the hole in direction of arrow, open tray manually. Remove 2 screws. Remove 3 screws. Disconnect cn7 from main pcb and ‘cn3’ from smps pcb. Remove 1 screw. Emergency hole ① ② ① ② ③ 5-3 ass’y fro...

  • Page 53

    53 fig. 16 fig.17 fig.18 fig.19 fig. 20 fig. 21 release 3 taps from the bottom cabinet. Disassemble the ass’y front panel. Remove 9 screws, and disassemble the front pcb release 2 taps on the left and right side from the bottom cabinet. Disassemble the door tray in direction of arrow. ① ② ③ ④ pictur...

  • Page 54

    54 fig. 22 fig. 23 fig. 24 fig. 25 fig. 26 disconnect ‘cn5’ from main pcb. Remove 4 screws, and dissemble smps. Remove 2 screws. Disconnect jack pcb from main pcb. ① ② ① ② ③ ④ 5-4 jack pcb and smps removal.

  • Page 55

    55 fig. 27 fig. 28 fig. 29 when you take the dvd player apart, you can see this picture. Remove 7 screws. Disassemble deck and main pcb. ③ ② ④ ⑤ ⑦ ① ⑥ 5-5 deck and main pcb removal.

  • Page 56

    56 asds an appearance requires confirmation no power insert the ac power plug securely into the power outlet. No picture make sure that the equipment is connected properly. Make sure that the input setting for the tv is video (av). No sound make sure that the equipment is connected properly. Distort...

  • Page 57

    57 1. Main board 7. Electrical part list.

  • Page 58

    58 electrical part list.

  • Page 59

    59 2. Front board front board sc type location no spec pak' no p c b a s s ' y , f r o n t ( m / i ) 1 (ir)infra reciever l type u2 2 tr to-92 q1 3 vfd display u3 4 front power wire, 5pin-5pin(pcb), pcb in wire con2 5 front signal wire, 11pin-11pin(pcb), pcb in wire con1 6 tact s/w, 4pin,5mm 5mm sw1...

  • Page 60

    60 3.Jack board s100 model (for usa) location no spec pak' usa' no a s s ' y o p t i o n 1 aaa, 1.5v, battery 2 a s s ' y a c c e s o r y 1 43key's, remocon(ir) 1 2 rca cable(pin cable) 1 3 s-vhs cable 1 a s s ' y m a i n 1 deck & main board 1 2 smps manual 1 3 2p, ac power cord wire 1 p c b a s s '...

  • Page 61

    61 s100 model (for usa) location no spec pak' usa' no pass'y,out_bd(smd_bottom) 10 chip res', 1/8w,1k ohm j 0603 4 r729,r731,r734,r736 11 chip res', 1/8w,220 ohm j 0603 2 r744,r743 12 chip res', 1/8w,20k ohm j 0603 6 r751,r756,r761,r766,r771,r781 13 chip res', 1/8w,3.3k ohm j 0603 10 r716,r725,r741,...

  • Page 62

    62 4.Smps part list electrical part list.

  • Page 63

    63 electrical part list.

  • Page 64

    64 8. Block diagram main board block diagram.

  • Page 65

    65 9. Pcb diagrams 9-1 main pcb (top).

  • Page 66

    66 9-2 main pcb (bottom) pcb diagrams.

  • Page 67

    67 9-3 jack pcb (top) pcb diagrams.

  • Page 68

    68 pcb diagrams 9-4 jack pcb (bottom).

  • Page 69

    69 9 - 3 front pcb (component side) 9 - 4 front pcb (solder side) pcb diagrams.

  • Page 70

    70 9-5 smps pcb (top side) pcb diagrams.

  • Page 71

    71 10. Wiring diagram wiring diagram.

  • Page 72

    72 11. Schematic diagrams 11-1 smps pcb schematic diagram.

  • Page 73

    73 11-2 front pcb schematic diagram.

  • Page 74

    74 11-3 main pcb schematic diagram.

  • Page 75

    75 main pcb schematic diagram.

  • Page 76

    76 main pcb schematic diagram.

  • Page 77

    77 main pcb schematic diagram.

  • Page 78

    78 main pcb schematic diagram.

  • Page 79

    79 main pcb schematic diagram.

  • Page 80

    80 1 2 3 4 5 main pcb schematic diagram.

  • Page 81

    81 5 6 7 main pcb schematic diagram 4.

  • Page 82

    82 8 9 10 11 only 5.1 ch option main pcb schematic diagram.

  • Page 83

    83 12 13 14 17 15 16 18 19 main pcb schematic diagram.

  • Page 84

    84 schematic diagrams 11-4 jack pcb schematic diagram 21 22.

  • Page 85

    85 20 23 24 11 jack pcb schematic diagram.

  • Page 86

    86 1. 27mhz 2. Rom- data-bus 3. Ram-data-bus 4. 12c-clk 5. 12c-data 6. Hsync 12. Oscillograms.

  • Page 87

    87 7. Vsync 8. Bclk-dvd 9. Lrck-dvd 10. Tsdo 11. Mclk 12. Host-data oscillograms.

  • Page 88

    88 13. Host-clk 14. Host-cs 15. Mc-daco 16. Md-daco 17. Vfd-data 18. Vfd-stb oscillograms.

  • Page 89

    89 19. Vfd-clk 20. Composite-out 21. Coxial-out 22. Optical-out 23. S-video 24. Component out oscillograms.

  • Page 90

    90 memo.