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SM9303
DVP335E
DVP335EUK
SERVICE MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
DVD PLAYER
April 2003
Digital Media Division

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Summary of Contents for Hitachi SM9303

  • Page 1 SM9303 DVP335E DVP335EUK SERVICE MANUAL SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT DVD PLAYER April 2003 Digital Media Division...
  • Page 2: Table Of Contents

    CONTENTS 1 CAUTIONS FOR SAFETY IN PERFORMING SCHEMATIC AND BLOCK DIAGRAMS/CBA'S REPAIR ....... .1-1 1 SCHEMATIC DIAGRAMS/CBA’S AND TEST POINTS .
  • Page 3: Repair

    CAUTION FOR SAFETY IN PERFORMING REPAIR 1-1 LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin.
  • Page 4: Important Safety Precautions

    1-2 IMPORTANT SAFETY PRECAUTIONS 1-2-1 Product Safety Notice I. Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.
  • Page 5: Safety Check After Servicing

    1-2-3 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, Chassis or Secondary Conductor and wires have been returned to their original posi- tions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety Primary Circuit Terminals standards.
  • Page 6: Standard Notes For Servicing

    1-3 STANDARD NOTES FOR SERVICING 1-3-1 Circuit Board Indications 1-3-3 How to Remove / Install Flat Pack-IC 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. 1. Removal With Hot-Air Flat Pack-IC Desoldering Machine:. Top View Bottom View (1) Prepare the hot-air flat pack-IC desoldering...
  • Page 7 (4) Bottom of the flat pack-IC is fixed with glue to the With Soldering Iron: CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from all soldering iron to center of the flat pack-IC and heat pins of the flat pack-IC.
  • Page 8 2. Installation 1-3-4 Instructions for Handling Semi-conductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by electro- easily.
  • Page 9: General Information

    GENERAL INFORMATION 2-1 SPECIFICATIONS...
  • Page 10: Comparison Of Models

    2-2 COMPARISON OF MODELS : The halftone parts are the differences from the previous model. ITEM DV-P335E/P335E(UK) DV-P325E/P325E(UK) Dimensional 435(W) x 55(H) x 211(D) mm 435(W) x 75(H) x 216(D) mm Weight 1.8 kg 2.1 kg Tray Panel Clear Silver Color Front / Button Silver/Silver Black/Silver...
  • Page 11 ITEM DV-P335E/P335E(UK) DV-P325E/P325E(UK) Disc Navigation DVD Zoom x2 / x4 / x16 O / O / --- O / O / --- Program and Random Play of DVD A-B Repeat Repeat O (Resume is not effected after Resume Play power off) Front Panel Display Dimmer Screen Saver Auto Power Off...
  • Page 12: Operating Controls And Functions

    2-3 OPERATING CONTROLS AND FUNCTIONS FRONT PANEL 4. FF/SKIP 1. y/I (POWER/STANDBY) goes to next chapter or track during playback; press to switch the player to ON or OFF and hold for 1.5 seconds for a forward search (As to the indication of the Operate switch, “I” indicates ON and “y”...
  • Page 13 REMOTE CONTROL 1. SURROUND Press to activate the virtual sound. 2. y/I (POWER/STANDBY) SEARCH OPEN/ to switch the player to ON or OFF SURROUND MODE CLOSE (As to the indication of the Operate switch, “I” indicates ON and “y” indicates electrical power STANDBY) 3.
  • Page 14: Maintenance And Inspection

    MAINTENANCE AND INSPECTION 3-1 TROUBLESHOOTING Troubleshooting is how to service for the specifying malfunction or poor parts. Detect malfunction or poor parts and service as the following charts. FLOW CHART NO.1 The power cannot be turned on. Is the fuse normal? See FLOW CHART No.2 <The fuse blows out.>...
  • Page 15 FLOW CHART NO.6 P-ON+12V is not outputted. Check D1030, D1048, L1009, C1035, C1048 and Is 12V voltage supplied to the emitter of Q1002? the periphery circuit, and service it if defective. Check Q1016 and PWRCON line and service it if Is the voltage of base on Q1002 lower than the defective.
  • Page 16 FLOW CHART NO.12 The fluorescent display tube does not light up. Is 3.3V voltage supplied to Pin(6) and Check the EV+3.3V line and service it if detective. Pin(24) of IC2001? Is the voltage of approximately -24V to -28V Check the -FL (-28V) line and service it if detective. supplied to Pin(15) of IC2001? Is there 500kHz oscillation at Pin(26) of IC2001? Check R2015, IC2001 and their periphery, and...
  • Page 17 FLOW CHART NO.15 The disc tray cannot be opened and closed. (It can be done using the remote control unit.) Does the voltage of Pin(4) on IC2001 become 75mV Replace the "OPEN/CLOSE" button (SW2005). when pressing "OPEN/CLOSE" button on the unit? Refer to "FLOW CHART NO.16"...
  • Page 18 FLOW CHART NO.20 Both functions of picture and sound do not operate normally. Replace the DVD Main CBA. Original DVD Main CBA is poor. No improvement can be found. Replace the DVD Mecha. FLOW CHART NO.21 Picture does not appear normally. Set the disc on the disc tray, and playback.
  • Page 19 FLOW CHART NO.22 Audio is not outputted. Set the disc on the disc tray, and playback. Replace the DVD Main CBA or DVD Mecha. Are the analog audio signals outputted to each pin of CN1601 on AV CBA? CN1601 13PIN AUDIO-L CN1601 15PIN AUDIO-R Check each line between each pin of CN1601 Are the analog audio signals inputted to each pin...
  • Page 20: Firmware Renewal Mode

    3-2 FIRMWARE RENEWAL MODE 3-2-1 How to Update the Firmware Ver- Appearance State sion 1. Turn the power on and remove the disc on the tray. Reading... Sending files into the memory 2. To put the DVD player into version up mode, press Erasing...
  • Page 21: Disassembly

    DISASSEMBLY 4-1 CABINET DISASSEMBLY INSTRUCTIONS 4-1-1 Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassembling, (4): Identification of parts to be removed, unhooked, follow the steps in reverse order.
  • Page 22 DVD Mecha (S-1) (S-1) [1] Top Cover (S-1) (S-1) Short the three short Fig. 4-1-1 lands by soldering Slide Tray Panel (L-2) (L-1) Pickup Unit (L-1) View for A View for B (L-4) (L-4) Fig. 4-1-4 (L-3) [6] Function CBA [2] Front Assembly [4] AV CBA (L-3)
  • Page 23 (S-6) (S-7) [7] Main CBA Holder [8] Rear Panel Fig. 4-1-6 To Remove the Disc manually 1. Remove the Top Cover. 2. Rotate the roulette in the direction of the arrow as shown below. View for A Rotate this roulette in the direction of the arrow...
  • Page 24: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST 5-1 EXPLODED VIEW 2L011 2L011 2L011 2L011 2L105 2L011 DVD MAIN CBA [CBA REPLACEMENT (ORDER FORMAT)] 2L031 W1601 2L031 FUNCTION CBA F1001 [COMPONENT W1001 REPLACEMENT] 2L021 2L031 2L021 AV CBA 2L101 [COMPONENT REPLACEMENT] AC1001 DVD MECHANISM [UNIT REPLACEMENT (ORDER FORMAT)] 2L021...
  • Page 25 THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
  • Page 26: Schematic And Block Diagrams/Cba's

    SCHEMATIC AND BLOCK DIAGRAMS/CBA’S 1 SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Notes: 1. Do not use the part number shown on these draw- WARNING ings for ordering. The correct part number is shown Many electrical and mechanical parts in this chassis in the parts list, and may be slightly different or have special characteristics.
  • Page 27 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. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not defec- tive before you connect the AC plug to the AC power supply.
  • Page 28: Wiring Diagram

    2 WIRING DIAGRAM VIDEO AUDIO-L AUDIO-R DIGITAL S-VIDEO OPTICAL AC CORD AUDIO OUT AUDIO OUT SCART JACK CN2101 W2101 CN2102 KEY-2 AV CBA FUNCTION CBA KEY-4 KEY-3 KEY-1 CN1001 CN1601 CN401 CN601 DVD MAIN CBA CN301 CN201 SLED MOTOR SENSOR SPINDLE FG CBA MOTOR...
  • Page 29: Schematic Diagrams

    3 SCHEMATIC DIAGRAMS 3-1 DVD Main 1/3 Schematic Diagram...
  • Page 30: Dvd Main 2/3 Schematic Diagram

    3-2 DVD Main 2/3 Schematic Diagram...
  • Page 31 IC101 VOLTAGE CHART PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
  • Page 32: Dvd Main 3/3 Schematic Diagram

    3-3 DVD Main 3/3 Schematic Diagram...
  • Page 33: Av 1/3 Schematic Diagram

    3-4 AV 1/3 Schematic Diagram CAUTION ! CAUTION Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. NOTE : If Main Fuse (F1001) is blown, check to see that all components in the power supply FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 34: Av 2/3 Schematic Diagram

    3-5 AV 2/3 Schematic Diagram...
  • Page 35: Av 3/3 & Function Schematic Diagram

    3-6 AV 3/3 & Function Schematic Diagram FL2001 MATRIX CHART STANDBY REPEAT STANDBY TITLE CHP. TRK. REPEAT TITLE CHP. TRK.
  • Page 36: Waveforms

    4 WAVEFORMS Pin 1 of CN1601 Pin 15 of CN1601 VIDEO-Y VIDEO-Y 0.2V 0.2V 20µsec AUDIO-R AUDIO-R 0.5msec 0.5msec Pin 9 of CN1601 Pin 18 of CN1601 VIDEO-C VIDEO-C 0.2V 0.2V 20µsec SPDIF SPDIF 0.1µsec Pin 31 of IC1401 NOTE: Input CD: 1kHz PLAY (WF4~WF6)
  • Page 37: Circuit Board Diagrams

    5 CIRCUIT BOARD DIAGRAMS 5-1 AV CBA Top View CAUTION ! NOTE : Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured If Main Fuse (F1001) is blown, check to see that all components in the power supply using hot GND as a common terminal.
  • Page 38: Av Cba Bottom View

    5-2 AV CBA Bottom 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 PIN 31 OF circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 39: Function Cba Top/Bottom View

    5-3 Function CBA Top/Bottom View FUNCTION CBA Top View FUNCTION CBA Bottom View...
  • Page 40: Block Diagrams

    6 BLOCK DIAGRAMS 6-1 System Control/Servo Block Diagram SLED SERVO SIGNAL SPINDLE SERVO SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL IC101 (MICRO CONTROLLER) EXT CLOCK CLK33M BE CLOCK IC451 (CLOCK GENERATOR) X451 MULTI X'TAL 36.864MHz PLL2 FSEL PCM-SCLK A-MUTE A-MUTE ADAC-MD ADAC-MD VIDEO/ AUDIO...
  • Page 41: Digital Signal Process Block Diagram

    6-2 Digital Signal Process Block Diagram DATA(AUDIO) SIGNAL DATA(VIDEO/AUDIO) SIGNAL VIDEO SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL IC102 (SDRAM) IC101 (MICRO CONTROLLER) SDRAM ADDRESS(0-10) SDRAM ADDRESS(0-10) DATA SDRAM EXTERNAL MEMORY DECODER INST. DECODER STREAM SDRAM DATA(0-31) SDRAM DATA(0-31) DATA PIXEL OPERATION INST.
  • Page 42: Video/Audio Block Diagram

    6-3 Video / Audio Block Diagram VIDEO SIGNAL DATA(AUDIO) SIGNAL AUDIO SIGNAL IC1401 (VIDEO DRIVER) CN601 CN1601 VIDEO-Y JK1401 DRIVER VIDEO-Y VIDEO-C S-VIDEO VIDEO-C VIDEO-R FROM DIGITAL VIDEO-R SIGNAL PROCESS VIDEO-G DRIVER VIDEO-G BLOCK DIAGRAM VIDEO-B VIDEO-B DRIVER JK1404 VIDEO-R DRIVER VIDEO-G DRIVER...
  • Page 43: Power Supply Block Diagram

    6-4 Power Supply Block Diagram CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. CAUTION If Main Fuse (F1001) is blown, check to see that all components in the power supply NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, The voltage for parts in hot circuit is measured using...
  • Page 44: System Control Timing Charts

    7 SYSTEM CONTROL TIMING CHARTS Tray Close ~ Play / Play ~ Tray Open Disc Tray Tray Disc Stop Open Close Rotation Play 3.3V Tray OUT (TL220) 3.3V Tray IN (TL221) 1.65V Sled Drive (TP303) 1.65V Disc Drive (TP301) 1.65V Focus Drive (TP304) 1.65V...
  • Page 45: Ic Pin Function Descriptions

    8 IC PIN FUNCTION DESCRIPTIONS IC2001 [ PT6313-S-TP ] Signal In/Out Name Function Name FP-CLK Clock Input FP-STB Serial Interface Strobe Key Data 1 Input Key Data 2 Input Power Supply a / KEY-1 Segment Output / Key Source-1 Segment Output / Key b / Key-2 Source-2 Segment Output / Key...
  • Page 46: Lead Identifications

    9 LEAD IDENTIFICATIONS 2SK3566 2SC2785 (H) 2SA1015-Y (TPE2) KTC3199 (GR) KTA1266 (Y) KRA110M KTC3198 (Y) KTA1267 (Y) 2SC2120-Y(TPE2) BN1L3Z (P) KTC3205 (Y) 2SC2236-Y-TPE6,C E C B E C B G D S NJM4558D MM1567AJ KIA431-AT PT6313-S-TP KIA4558P PQ070XF01SZ K A R LTV-817(B,C)-F 0C-0805T*002 GP1FA513TZ...
  • Page 47 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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