Hitachi instruction manual dvd player dv-p745u (24 pages)
Summary of Contents for Hitachi SM9303
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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...
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.
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.
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.
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...
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(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.
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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.
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...
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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...
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”...
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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.
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.>...
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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.
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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...
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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"...
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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.
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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...
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...
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.
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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)
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(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...
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.
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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.
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...
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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 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
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.
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.
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.
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.
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...
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...
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...
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...
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...
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