Hitachi DV-P735U Service Manual
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. DVD Player
  5. DV-P735U
  6. Service manual

Hitachi DV-P735U Service Manual

Hide thumbs Also See for DV-P735U:
Table of Contents

Quick Links

See also: Instruction Manual
TK
No. 9301E
DV-P735U
DV-P735U(C)
SERVICE MANUAL
DV-P533U
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

DVD PLAYER

February
2003
Digital Media Division, Tokai
Table of Contents
loading

Related Manuals for Hitachi DV-P735U

Summary of Contents for Hitachi DV-P735U

  • Page 1: Dvd Player

    No. 9301E DV-P735U DV-P735U(C) SERVICE MANUAL DV-P533U SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT DVD PLAYER February 2003 Digital Media Division, Tokai...

  • 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 a. 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 With Soldering Iron: (4) Bottom of the flat pack-IC is fixed with glue to the 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

    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 Dark Silver/Silver (DV-P725U) Silver/Silver (DV-P735U/P735U(C)) Color Front / Button Black/Silver (DV-P325U) Black/Silver (DV-P533U) Silver/Silver (DV-P323U) O (DV-P725U) Hot Stamp --- (DV-P325U/P323U) O (DV-P725U)
  • Page 11 ITEM DV-P735U/P735U(C)/P533U DV-P725U/P325U/P323U O (DV-P735U/P735U(C)) Disc Navigation --- (DV-P533U) ← DVD Zoom x2 / x4 / x16 O / O / --- Program and Random Play of DVD / ← ← A-B Repeat ← Repeat ← Last Play ← Closed Caption for NTSC DVD ←...

  • Page 12: Operating Controls And Functions

    2-3 OPERATING CONTROLS AND FUNCTIONS [ DV-P735U/P735(C) ] FRONT PANEL SKIP/FR PLAY FF/SKIP STOP OPEN/CLOSE y/I POWER/ STANDBY REAR VIEW ANALOG AUDIO OUT COMPONENT VIDEO OUT DIGTAL AUDIO OUT COAXIAL VIDEO S-VIDEO PROGRESSIVE 9. MAIN (AC Power Cord) 1. y/I (POWER/STANDBY)
  • Page 13 1. SURROUND Press to activate the virtual sound. REMOTE CONTROL y y /I (POWER/STANDBY) Press to turn the power on and off. (As to the indication of the Operate switch, "I" shows ON and " /I" shows electrical power stand-by.) SEARCH OPEN 3.
  • Page 14 Display Stays on when repeat chapter function is on. Stays on when repeat title function is on. Stays on when repeat track function is on. Stays on when Lights up when a DVD the repeat function is on. is inserted into the tray. Stays on when the A-B repeat Lights up when a CD is...
  • Page 15 [ DV-P533U ] FRONT PANEL SKIP/FR PLAY FF/SKIP STOP OPEN/CLOSE y/I POWER/ STANDBY REAR VIEW ANALOG AUDIO OUT COMPONENT VIDEO OUT DIGTAL AUDIO OUT COAXIAL VIDEO S-VIDEO PROGRESSIVE 9. MAIN (AC Power Cord) 1. y/I (POWER/STANDBY) connect to a standard AC outlet to switch the player to ON or OFF (As to the indication of the Operate switch, “I”...
  • Page 16 Display Stays on when repeat chapter function is on. Stays on when repeat title function is on. Stays on when repeat track function is on. Stays on when Lights up when a DVD the repeat function is on. is inserted into the tray. Stays on when Lights up when a CD is the A-B repeat...

  • Page 17: 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 ...
  • Page 18 FLOW CHART NO.6 P-ON+9V (EV+9V) is not outputted. Check D1030, D1048, C1035, C1048 and the Is 9V voltage supplied to the emitter of Q1002? 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 19 FLOW CHART NO.11 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 20 FLOW CHART NO.14 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.15"...
  • Page 21 FLOW CHART NO.19 Both functions of picture and sound do not operate normally. Replace the DVD Main CBA. No improvement can be found. Original DVD Main CBA is poor. Replace the DVD Mecha. FLOW CHART NO.20 Picture does not appear normally. Set the disc on the disc tray, and playback.
  • Page 22 FLOW CHART NO.21 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 23: 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 24 model: ****** Ver: **** Region: ** TEST 3: EEPROM CLEAR EEPROM CLEAR: OK RETURN: ----- EXIT: POWER Fig. h 10.To finish this mode, press [POWER] button. 3-2-2 How to Verify the Firmware Ver- sion 1. After making sure that no disc is in unit, turn the power on.

  • Page 25: 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 26 DVD Mecha (S-1) (S-1) [1] Top Cover (S-1) (S-1) Fig. D1 Short the three short lands by soldering Slide Tray Panel (L-2) (L-1) (L-1) Pickup Unit (L-4) View for A View for B (L-4) Fig. D4 (L-3) [2] Front Assembly [6] Function CBA [4] AV CBA (L-3)
  • Page 27 (S-6) (S-7) [7] Main CBA Holder [8] Rear Panel Fig. D6 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 28: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST 5-1 EXPLODED VIEW 2L011 2L011 2L011 2L011 2L105 DVD Main 2L011 [CBA REPLACEMENT (ORDER FORMAT)] 2L031 W1601 2L031 FUNCTION CBA [COMPONENT W1001 F1001 REPLACEMENT] 2L021 2L031 2L021 AV CBA 2L101 [COMPONENT REPLACEMENT] AC1001 DVD MECHANISM [UNIT REPLACEMENT (ORDER FORMAT)] 2L021...

  • Page 29: Replacement Parts List

    5-2 REPLACEMENT PARTS LIST 5-2-1 Mechanical Parts List SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION MECHANISM SECTION TS18381 FRONT ASSEMBLY [P735U/P735U(C)] TS18382 FRONT ASSEMBLY [P533U] TS18383 TRAY ASSEMBLY TJ16831 FOOT TS18384 MAIN CHASSIS TJ16832 TOP COVER(SILVER) [P735U/P735U(C)] TJ16833 TOP COVER(BLACK) [P533U] TJ16834 REAR PANEL [P735U/P735U(C)] TJ16835...

  • Page 30: Electrical Parts List

    Note: Although some parts in the schematic diagrams have different names from those in 5-2-2 Electrical Parts List the parts list, there is no problem in replacing parts. SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION Q1204 TC10784 TRANSISTOR KTA1266(Y) SEMI-CONDUCTORS Q1351 TC10778 TRANSISTOR KTC3199(GR) D1001...
  • Page 31 SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION SW2007 TE11957 TACT SWITCH SW2008 TE11957 TACT SWITCH W1001 TE15461 22P FFC W1601 TE15462 18P FFC...

  • Page 32: 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 33 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 MEMO TYPE.

  • Page 34: Wiring Diagram

    2 WIRING DIAGRAM VIDEO-Y VIDEO-Cb VIDEO-Cr VIDEO AUDIO-L AUDIO-R DIGITAL S-VIDEO AC CORD AUDIO OUT JP2001 JP2002 KEY-2 FUNCTION CBA AV CBA KEY-4 KEY-3 KEY-1 CN1001 CN1601 CN401 CN601 DVD MAIN CBA CN301 CN201 CN204 (NO CONNECTION) SLED MOTOR SENSOR SPINDLE FG CBA MOTOR...

  • Page 35: Schematic Diagrams

    3 SCHEMATIC DIAGRAMS 3-1 DVD Main 1/3 Schematic Diagram...

  • Page 36: Dvd Main 2/3 Schematic Diagram

    3-2 DVD Main 2/3 Schematic Diagram...
  • Page 37 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 38: Dvd Main 3/3 Schematic Diagram

    3-3 DVD Main 3/3 Schematic Diagram...

  • Page 39: Av 1/3 Schematic Diagram

    3-4 AV 1/3 Schematic Diagram CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! NOTE : REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES If Main Fuse (F1001) is blown, check to see that all components in the power supply using hot GND as a common terminal.

  • Page 40: Av 2/3 Schematic Diagram

    3-5 AV 2/3 Schematic Diagram...

  • Page 41: 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 42: Waveforms

    4 WAVEFORMS Pin 7 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 21 of IC1402 NOTE: Input CD: 1kHz PLAY (WF4~WF6)

  • Page 43: 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 44: Av Cba Bottom View

    5-2 AV CBA Bottom 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 45: Function Cba Top/Bottom View

    5-3 Function CBA Top/Bottom View FUNCTION CBA Top View FUNCTION CBA Bottom View...

  • Page 46: 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 IC202 (OP AMP) PLL2 POFLT FSEL PCM-SCLK A-MUTE...

  • Page 47: 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 48: Video/Audio Block Diagram

    6-3 Video / Audio Block Diagram VIDEO SIGNAL DATA(AUDIO) SIGNAL AUDIO SIGNAL IC1402 (VIDEO DRIVER) DRIVER JK1401 S-VIDEO OUT DRIVER CN601 CN1601 DRIVER VIDEO-Y VIDEO-Y FROM DIGITAL VIDEO-C VIDEO-C JK1404 SIGNAL PROCESS VIDEO-Cb BLOCK DIAGRAM VIDEO-Cb DRIVER COMPOSITE VIDEO-Cr VIDEO-Cr VIDEO OUT DRIVER VIDEO-Y...

  • Page 49: Power Supply Block Diagram

    6-4 Power Supply Block Diagram CAUTION ! CAUTION Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, If Main Fuse (F1001) is blown, check to see that all components in the power supply NOTE : REPLACE ONLY WITH THE SAME TYPE FUSE.

  • Page 50: 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 51: 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 52: Lead Identifications

    9 LEAD IDENTIFICATIONS 2SK3374 2SC2785 (H) 2SA1015-Y (TPE2) KTC3199 (GR) KTA1266 (Y) KRA110M KTC3198 (Y) KTA1267 (Y) 2SC2120-Y(TPE2) BN1L3Z (P) E C B G D S E C B NJM4558D MM1622XJBE KIA431-AT PT6313-S-TP KIA4558P PQ070XF01SZ K A R LTV-817(B,C)-F Note: 1: Vin A: Anode 2: Vo...
  • Page 53 DV-P735U No. 9301E Digital Media Division, Tokai DV-P735U(C) DV-P533U...

This manual is also suitable for:

Dv-p735ucDv-p533u

Table of Contents