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Prology DVD-300 Service Manual

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SERVICE MANUAL
CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section
on page 2 of this manual.
CONTENTS
SERVICE PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . 2,3
BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ELECTRICAL TROUBLE SHOOTING GUIDE. . . . . . . . . . 5,15
PRINTED CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16,20
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . 21,24
MODEL
DVD-300

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Summary of Contents for Prology DVD-300

  • Page 1 SERVICE MANUAL MODEL DVD-300 CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section on page 2 of this manual. CONTENTS SERVICE PRECAUTIONS ..... . . 2,3 BLOCK DIAGRAMS .

  • Page 2: Product Safety Servicing Guidelines For Video Products

    PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION: DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WA Y AND SUBJECT: X-RADIATION N E V E R P E R F O R M C U S T O M I Z E D I N S T A L L AT I O N S W I T H O U T 1.

  • Page 3: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and ADDENDUMS, read Some semiconductor (solid state) devices can be damaged and follow the SAFETY PRECAUTIONS NOTE : if easily by static electricity. Such components commonly are unforeseen circumstances create conflict between the called Electrostatically Sensitive (ES) Devices.
  • Page 4 OVERALL BLOCK DIAGRAM XS100 TO PICK UP XS103 MECHANISM CHASSIS SLED+ SLED- VIDEO 27MHz SERVO RF AMP XS102 ENCODER & TRAY HCU04 DRIVER CLOSE D1890 CHROMA CS4955 RED/AGND OPEN LUMA UNLOD BA5954 BLUE/AGND 16M SDRAM* 2 LOAD CVBS2 & CD6208 VGND TO PICK UP 33.868MHz...
  • Page 5 Electrical Trouble Shooting Guide Connection of the unit is correct. Setting of the unit is correct Is power normal? Refer to power guide. Is fluoresce display correct? Refer to display guide Is open/close normal? Refer to open/close guide Can disc be read? Refer to read disc guide Is video normal?
  • Page 6 Power Circuit abnormal Start 12V out of output Board normal 12V AC input L401 is open XS402 is open XP002 is open Is there pulse Is there pulse wave in V302? wave in V301? C301 or R301 is open. C301 or R301 is open. Is the 7 pin of D301 Is the 10 pin of D301 Voltage output?
  • Page 7 Display abnormal START Check if voltage of screen F1 and F2 is 3.3V. Check if voltage of 34 pin of UPD16311 is -24V. Does the screen Check grounded negative voltage of screen F1 and F2. appear? Replace UPD16311. Check if connection cord between screen and main board is broken? Is display normal? Check if UPD16311 pin is connected.
  • Page 8 Open/close abnormal The door isn't open. Is "OPEN" showed on the screen? Is there voltage difference Check if RMC pin of in XP102UNLOAD pin and XS107 has a waveform. LOAD pin? Does XS107 power have voltage? Does drive motor have voltage? Replace key-circuit board.
  • Page 9 Read disc abnormal DISC IN Refer to focus guide. Focus on? Refer to laser guide Is laser normal? Refer to focus guide Does the disc turn? Refer to TOC guide Can TOC be read? Normal...
  • Page 10 Video abnormal Check connection between Is voltage of XS109 normal? video encoder and XS109. No picture, no sound. Replace main board. Check jack of output board No picture, have sound. or replace main board. Have picture, no color or color Check main board and replace disappeared during playback .
  • Page 11 Audio abnormal Have picture, no sound Check connection between R, L pin of XP001 Check if voltage of R, L pin and PCM1723 of XP001 is normal Is N001 and N002 signal Check 4558 and surrounding components output? Is transistor V304 and Replace transistor V312 for mute usage broken down?
  • Page 12 Focus abnormal No focus 1. Check connection cord. Does normal voltage at FCS+ 2. Replace pickup. and FCS- of XS100? 1. Check connection between 14, 7 pin of BA5945 and FCS+, FCS- of XS100. Does normal voltage at 2. Check if G101, G102 normal operation. D104 pin 14, 7? 3.
  • Page 13 Laser abnormal No laser 1. Check connection between pickup Is LD pin of XS100(18, 30) and main board. 4.5V? 2. Replace pickup. 1. Check connection between D1890 of pin LD and XS100. Does voltage at D103 2. Check D1890 and peripheral pin of 52, 81? components.
  • Page 14 Turn abnormal Disc doesn't turn. Check if voltage of SP+ and Check connection of mechanism. SP- of XS103 are different. 1. Check connections between BA5954 and XS103. Check if voltage of 11 and 2. Check BA5954 and peripheral 12 pin of D104 are different. components.
  • Page 15 TOC abnormal TOC doesn't read. 1. Refer to laser guide. Limited switch is closed. 2. Check slide motor and connections Is laser on? to main board. Is FOK normal? 1. Check connection between 39 pin of D1890 and 7 pin of XS100. Does normal RFsignal at 2.
  • Page 16 OUTPUT BOARD...
  • Page 17 KEY BOARD...
  • Page 18 POWER BOARD...
  • Page 19 168 KEY BOARD 168 OUTPUT BOARD 168 POWER BOARD...
  • Page 20 DSM7012B DECODER...

  • Page 21: Replacement Parts List

    REPLACEMENT PARTS LIST PART No. PARTS NAME Q'TY DVD300 S8027 KHL232C(UL) LOADING 01003 D168K KEY ASS'Y 0856 DC168 POWER ASS'Y 00948 DSM7012B DECODER ASS'Y 0857 D168OUT OUTPUT ASS'Y S3230 RCA CORD AUDIO S3231 RCA CORD VIDEO S3118 WIRE S3119 LASER SERVO WIRE S2701a 7# BATTERY S3251e...
  • Page 22 REF No. PART No. PART NAME REF No. PART No. PART NAME CONTROL ASSY R409 P11019 RC-03K104JT RESISTOR R410 P11019 RC-03K104JT R501 G0735 RT13-0.167W-10K±5% R411 P11013 RC-03K103JT R502 G0735 RT13-0.167W-10K±5% R412 P11013 RC-03K103JT R503 G0735 RT13-0.167W-10K±5% R413 P11003 RC-03K100JT R504 G0735 RT13-0.167W-10K±5% R430...
  • Page 23 REF No. PART No. PART NAME REF No. PART No. PART NAME R010 P11013 RC-03K103JT R313 P11029 RC-03K222JT R011 P11006 RC-03K101JT R314 P11039 RC-03K563JT R012 P11018 RC-03K473JT R315 P11039 RC-03K563JT R013 P11018 RC-03K473JT R316 P11140 RC-03K220JT R014 P11018 RC-03K473JT R317 P11140 RC-03K220JT R015...
  • Page 24 REF No. PART No. PART NAME REF No. PART No. PART NAME C028 a3664 CD110X-10V-470u±20% V005 P5073a 2SD601AR C034 a3609 CD110X-16V-100u±20% V006 P5700 2SB709 C301 P20054 GRM39CH271J50PT V203 P5700 2SB709 C302 P20035 GRM39F105210PT V205 P5073a 2SD601AR C303 P20015 GRM39F104225PT V206 P5073a 2SD601AR C304...