Hitachi DV-PF2U Service Manual
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Hitachi DV-PF2U Service Manual

Vhs type video recorder
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See also: Instruction Manual
SERVICE MANUAL
OPEN/
STOP
CLOSE
This video deck is VHS type video
recorder. For proper operation, only
the VHS type cassette must be
used.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
DVD PLAYER & VIDEO CASSETTE RECORDER
April
POWER/STANDBY
VIDEO IN
CHANNEL
TIMER SET
DVD
VCR
L
SKIP
PLAY
SKIP
OUTPUT
STOP/EJECT REW
PLAY
F.FWD
REC/ITR
(mono)
VCR/TV
R
SEARCH
CST.IN
AUDIO IN
2002
TK
No. 9206E
DV-PF2U
Digital Media Division, Tokai

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  • Page 1 No. 9206E DV-PF2U SERVICE MANUAL POWER/STANDBY VIDEO IN CHANNEL TIMER SET OPEN/ STOP SKIP PLAY SKIP OUTPUT STOP/EJECT REW PLAY F.FWD REC/ITR (mono) CLOSE VCR/TV SEARCH CST.IN AUDIO IN This video deck is VHS type video recorder. For proper operation, only the VHS type cassette must be used.

  • Page 2: Table Of Contents

    CONTENTS SCHEMATIC AND BLOCK DIAGRAMS/ CHAPTER 1 GENERAL INFORMATION CHAPTER 4 CBA’S SPECIFICATIONS......1-1-1 SCHEMATIC DIAGRAMS/CBA’S AND COMPARISON OF MODELS .

  • Page 3: Chapter 1 General Information

    CHAPTER 1 GENERAL INFORMATION SPECIFICATIONS Product type: DVD player with Video Cassette Recorder Discs & Tapes: DVD video Audio CD VHS Video Cassette tape Converter output: VHF Channel 3 or 4. Power source: 120 V AC +/- 10%, 60 Hz +/- 0.5% Power consumption: 25 W (standby: 7.2 W) Operating temperature:...

  • Page 4: Comparison Of Models

    COMPARISON OF MODELS VTR Section ←: Same as on left ITEM DV-PF2U VT-FX665A/FX665AC ← Video Format ← Y/C Separation Comb Filter YNR (Luminance Noise Reduction) ← Circuit ← New Synchronise Circuit ← Picture Control ← Video/Audio Input (Rear) 1/1 (IN1) ←...
  • Page 5 ← PAL Disc NTSC Out ← Video Out Mode NTSC/PAL/PAL60 O / --- / --- ← S-Video / Component / Composite O / O / O ← Video D/A Converter 10bit ← Black Level Select ← Picture Control Progressive Out Audio D/A Converter 192kHz / 24bit 96kHz / 24bit...

  • Page 6: Laser Beam Safety Precautions

    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. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on.

  • Page 7: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS 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 8: Safety Check After Servicing

    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 9: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC a. The output pin of the 3 pin Regulator ICs is indi- 1. Removal cated as shown. With Hot-Air Flat Pack-IC Desoldering Machine:. (1) Prepare the hot-air flat pack-IC desoldering Top View Bottom View machine, then apply hot air to the Flat Pack-IC...
  • Page 10 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 11: Instructions For Handling Semi-Conductors

    2. Installation 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 12: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode About REC-Safety Switch Caution: The REC-Safety Switch is directly mounted on the About Optical Sensors Main CBA. When the Deck Mechanism Assembly is Caution: removed from the Main CBA for servicing, this switch does not work automatically.

  • Page 13: Orerating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS FRONT PANEL POWER/STANDBY VIDEO IN CHANNEL TIMER SET OPEN/ STOP SKIP PLAY SKIP OUTPUT STOP/EJECT REW PLAY F.FWD (mono) CLOSE VCR/TV SEARCH CST.IN AUDIO IN OUTPUT Light is on. To make the green DVD OUT- REMOTE CONTROL PUT light come on, press the DVD Button on the remote control or the OUTPUT Button on the front panel.
  • Page 14 16. F.FWD Button (VCR) 33. CLEAR/C.RESET Button ● Press to rapidly advance the tape, or view the picture DVD mode rapidly in forward during playback. (Forward Press to reset the setting. ● VCR mode Search). When setting program (For example:setting clock or timer program), press to determine your Press to reset the counter.
  • Page 15 53. REC Button 44. h Button ● Press once to start a recording. DVD mode 54. SPEED Button Press to view the DVD picture in fast reverse Press to select the VCR’s recording speed (SP or SLP) motion or to reverse playback of an Audio CD. ●...

  • Page 16: Rear View

    DESCRIPTION-REAR PANEL REAR VIEW DVD/VCR COMPONENT VIDEO OUT ANT - IN AUDIO AUDO DIGITAL S-VIDEO AUDIO OUT COAXIAL ANT - OUT VIDEO CH3 CH4 AC POWER CORD VIDEO OUT JACK (DVD/VCR) Connect to a standard AC outlet to supply power Connect the yellow video cable (supplied) here to the DVD/VCR.
  • Page 17 DISPLAYS DURING DISPLAY OPERATION Power on No disc inserted Tray open Tray closed Loading the Disc Power off LOADING THE BATTERIES 1. Open the battery compartment cover. 2. Insert two AA batteries, with each one oriented cor- rectly. 3. Close the cover. Notes Do not mix alkaline and manganese batteries.

  • Page 18: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE HOW TO UPDATE THE FIRMWARE VERSION 1. Turn the power on and remove the disc on the tray. 2. To put the DVD player into version up mode, press Fig. d VFD in Programming Mode (Example) [9], [8], [7], [6], and [SEARCH MODE] buttons on The appearance shown in (*2) of Fig.

  • Page 19: Troubleshooting

    TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on.(1) Is the fuse normal? Replace the fuse. See FLOW CHART No.3 <The fuse blows out.> Is normal state restored when once unplugged Check for lead or shor-circuiting of primary power cord is plugged again after several seconds. circuit component? (Q1001, Q1003, D1001, D1002, D1004, D1005, D1011, T1001, C1003, C1005, etc.)
  • Page 20 FLOW CHART NO.4 When the output voltage fluctuates. Does the secondary side photo coupler circuit Check the circuit and replace the parts. operate normally? (IC1001, IC1006, D1048, D1015, etc.) Does the primary side photo coupler circuit Check the circuit and replace the parts. operate normally? (IC1001, IC1012, D1024, etc.) Replace IC1001.
  • Page 21 FLOW CHART NO.8 No operation is possible from the infrared remote control. Replace the remoter control receiver or replace the Operation is possible from the DVD, but no remoter control transmitter is necessary. operation is possible from the infrared remote control? Is 5V voltage supplied to the pin(3) terminal of Check EV 5V line.
  • Page 22 FLOW CHART NO.10 PON 5V is not outputted. (PON 12V is possible.) Check the AT 5V line. Is 5V voltage supplied at collector of Q1004? Check for load circuit short-circuiting or leak. Is voltage of 5V sent out from the collector of Q1004? Check the Q1004 periphery circuit.
  • Page 23 FLOW CHART NO.13 PON 1.8V is not outputted. (PC 3.3V(1), (2) is possible) Is 5V voltage supplied at pin(1) of IC1002? Check the secondary circuit, AT 5V line. Check for load circuit short-circuiting of leak. Is voltage of 1.8V sent out from the pin(2) of IC1002? Check the IC1002 periphery circuit.
  • Page 24 FLOW CHART NO.17 The [No Disc] indication. (In case focus servo does not function.) Is the focus control signal outputted to the pin(115) Check the periphery circuit of pins(57, 78, 88, 99, of IC201? 109, 116, 125, 143, 156, 162) of IC201 and power source.
  • Page 25 FLOW CHART NO.20 Picture do not operate normally. Set the disc on the disc tray. Check the main unit. (IC601 periphery circuit.) Are the video signals outputted to each pins of main unit connector CN701? CN701 7PIN CVBS CN701 5PIN CN701 6PIN Check the line between each pins of main unit Are the video signals shown above input into each...
  • Page 26 FLOW CHART NO.21 Picture do not operate normally. Set the disc on the disc tray. Check the main unit. (IC601 periphery circuit.) Are the analog audio interface signals outputted to each pins of main unit connector CN701? CN701 13PIN FL CN701 15PIN FR Are the analog audio interface signals inputted Check the line between each pins of main unit...

  • Page 27: Cabinet Disassembly Instructions

    CHAPTER 2 DISASSEMBLY AND ADJUSTMENT CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart REMOVAL This flowchart indicates the disassembly steps to gain REMOVE/*UNHOOK/ LOC. PART Fig. access to item(s) to be serviced. When reassembling, UNLOCK/RELEASE/ Note follow the steps in reverse order. Bend, route, and UNPLUG/DESOLDER dress the cables as they were originally.
  • Page 28 Reference Notes [1] Top Cover CAUTION 1: Locking Tabs (L-1) and (L-2) are fragile. (S-1) (S-1) Be careful not to break them. 1-1. Connect the wall plug to an AC outlet and press the OPEN/CLOSE button to open the Tray. 1-2.
  • Page 29 (S-4) CN701 (S-7) CN501 [7] Rear Panel (S-4) (S-6) (S-7) [5] DVD Mecha Assembly Fig. D6 Fig. D4 (S-8) (S-9) (S-5) (S-5) CN101 (S-9) [6] DVD Main (S-5) CBA Unit (S-8) CN401 (S-8) (S-9) DVD Mecha [8] VCR Chassis Assembly Unit Short the three short lands by soldering View for A...
  • Page 30 FE Head Cylinder Assembly SW507 LD-SW [9] Deck Assembly AC Head [10] Main CBA Assembly Desolder [9] Deck Assembly Cam Gear Hole Shaft [11] Function CBA Hole LD-SW [10] Main CBA [10] Main CBA (S-10) Lead with white stripe From AC Head From Assembly...
  • Page 31 [12] Deck Pedestal-1 (S-11) [13] Deck Pedestal-2 (S-12) (S-13) [14] Side Bracket Fig. D9 HOW TO MANUAL EJECT 1. Remove the Top Case. 2. Make a tool from a paper clip, etc., (length = approxi- mately 50 mm, maximum diameter = approximately 3 mm) as shown below.

  • Page 32: Disassembly/Assembly Procedures Of Deck Mechanism

    DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS on page 2-1-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...

  • Page 33: Exploded Views 3

    REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [33] [2],[25] M Brake T Assembly DM1,DM16 *(P-6) [34] [2],[25] M Brake S Assembly DM1,DM16 *(P-7) Tension Lever Sub [35] [34] DM1,DM16 Assembly [36] [35] T Lever Holder DM1,DM16 *(L-6) [37] [33]...
  • Page 34 Top View [41] [42] [46] [43] [14] [13] [11] [15] [35] [36] [10] [12] [34] [33] [40] [29] [38] [37] [39] Fig. DM1 Bottom View [19] [32] [31] [24] [26] [27] [25] [23] [28] [22] [20] [21] [30] Fig. DM2 2-2-3...
  • Page 35 (S-1) (S-1) (S-2) (P-1) (S-3) (S-4) Fig. DM5 Fig. DM3 [46] Type A Pin D Pin C Type B [47] [46] (L-9) Pull up Slide Pin A (L-8) Pin B Slot A Slots B (S-5) Slot A First, while pushing the locking tab as shown in the right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A.
  • Page 36 (S-7) (S-8) [14] (S-9) [15] Desolder from bottom (S-6) Lead with White Stripe Belt View for A Fig. DM7 Fig. DM9 Adj. Screw [17] After removing the Screw (S-10), [11] while pressing the Locking Tab (L-1) (L-3) (L-2) (L-3), remove [16]. (P-3) [16] [13]...
  • Page 37 Cap Belt Portions A on [21] must be set in the slot on [20] as shown. (C-1) [19] [20] Portions A Portions A View for A [21] Fig. DM12 (S-11) Fig. DM11 2-2-6...
  • Page 38 [25] (C-2) (C-5) (C-3) [22] [23] (S-12) (P-4) [27] (L-4) (C-4) [26] [28] [24] (P-4) [28] When installing [23], install the spring (P-4) to [28] as Position of Mode Lever when installed shown in the left figure, and then install [23] while Pin of [34] Pin on Pin of [30]...
  • Page 39 Refer to the Alignment Section, Page 2-3-1. [42] [41] [43] (P-5) [30] (L-7) [32] [29] [31] (L-5) Fig. DM17 Fig. DM15 [35] (C-7) [38] (C-6) (P-7) [40] [37] turn (L-6) [39] [44] [45] Slide (P-6) [34] turn [33] [36] Fig. DM18 turn Fig.

  • Page 40: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape Loading Arm, S and T Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm S and T Assembly so that their System Control Circuit only through the Mode Switch, triangle marks point to each other as shown in Fig.
  • Page 41 Alignment 3 Cam Gear (A), Rack Assembly Install the Rack Assembly so that the first tooth on the gear of the Rack Assembly meets the first groove on the Cam Gear (A) as shown in Fig. AL4. Top View Cam Gear (A) Alignment 3 First tooth First groove...

  • Page 42: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is an abbreviation for "Circuit Board Assembly." NOTE: Figure 1 1.Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to do these adjustments only after EXT. Syncronize Trigger Point all repairs and replacements have been com- V-Sync pleted.

  • Page 43: Fixture And Tape For Adjustment

    FIXTURE AND TAPE FOR ADJUSTMENT 1. Alignment Tape 2. Special Driver No. 7099046 (MH-1) No. 7099028 How To Use The Fixtures And Tape Item No. Name Part No. Adjustment I Head Switching Point Alignment Tape 7099046 I Tape Interchangeability Alignment Special Driver 7099028 I Guide Roller...

  • Page 44: Mechanical Alignment Procedures

    MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.

  • Page 45: Tape Interchangeability Alignment

    1.Tape Interchangeability Algnment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 2-6-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (MH-1) Guide Roller Adj.

  • Page 46: 1-A.preliminary/Final Checking And Alignment Of Tape Path

    1-A. Preliminary/Final Checking and 3. Check to see that the tape runs without creasing at Alignment of Tape Path Take-up Guide Post [4] or without snaking between Guide Roller [3] and AC Head. (Fig. M3 and M5) Purpose: 4. If creasing or snaking is apparent, adjust the Tilt To make sure that the tape path is well stabilized.

  • Page 47: 1-C.checking/Adjustment Of Envelope Waveform

    1-D. Azimuth Alignment of Audio/Control/ 6. Press CH DOWN button on the unit until the CTL waveform has shifted from its original position (not Erase Head the position achieved in step 5, but the position of Purpose: CTL waveform in step 4) by approximately -2msec. To correct the Azimuth alignment so that the Audio/ Make sure that the envelope is simply attenuated Control/Erase Head meets tape tracks properly.

  • Page 48: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components h: Hours : Check I: Change Deck Periodic Service Schedule Ref.No. Part Name 1,000 h 2,000 h 3,000 h 4,000 h Cylinder Assembly Loading Motor Assembly Pulley Assembly Tension Lever Sub Assembly AC Head Assembly B573,B574 Reel S, Reel T Capstan Motor...

  • Page 49: Cleaning

    Cleaning Cleaning of Audio Control Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the audio control head.

  • Page 50: Chapter 3 Exploded Views And Parts List

    CHAPTER 3 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEWS 2L041 Cabinet See Electrical Parts List 2L071 2L071 for parts with this mark. 2L041 2L071 2L041 2L050 Some Ref. Numbers are 2L071 not in sequence. 2L041 2L041 W004 2L071 L1-7 L1-8 W003 2L053 2L034...

  • Page 51: Deck Mechanism View 2

    Deck Mechanism View 1 Deck Mechanism View 2 Mark Description Mark Description (Blue grease) Floil G-374G Floil G-374G (Blue grease) SLIDUS OIL #150 SANKOUL FG84M (Yellow grease) SLIDUS OIL #150 B574 B508 B148 B573 B487 L1406 B522 B518 B520 B521 B414 B494 B564...
  • Page 52 Deck Mechanism View 3 Mark Description Floil G-374G (Blue grease) L1321 SLIDUS OIL #150 B347 Note: There are two types (A and B) of B529 (CLEANER ASSEMBLY), which includes B359 (CLEANER LEVER), B360 (CLEANER ROLLER), B361 (CL POST), etc. These L1321 types of B529 (CLEANER ASSEMBLY) are compatible, and there is no problem when using either,but it is recommended...

  • Page 53: Replacement Parts List

    REPLACEMENT PARTS LIST Mechanical Parts List SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION TJ15163 PRISM MECHANISM SECTION B121 TJ15982 WORM TS17311 FRONT ASSEMBLY B126 TJ15983 PULLEY TJ15941 TOP COVER B133 TJ15168 IDLER ASSEMBLY TJ15942 PANEL, REAR B148 TJ15984 TG CAP TS17312 INSULATOR ASSEMBLY B300 TJ15985...
  • Page 54 SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION B562 TJ15221 CASSETTE DRIVE LEVER (L) B563 TJ15222 SLIDER SHAFT B564 TJ15223 GEAR (M) B565 TJ16005 SENSOR GEAR B567 TJ15226 PINCH ARM (B) B568 TJ15304 BT ARM B569 TJ16006 CAM HOLDER B570 TJ15229 CAM RACK SPRING B571 TJ10229 WASHER...
  • Page 55 Note: Although some parts in the schematic diagrams have different names from those in the parts list, Electrica Parts List there is no problem in replacing parts. SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION D2003 TC10754 SWITCHING DIODE 1N4148M RESISTOR D2004 TC10754 SWITCHING DIODE 1N4148M D2005...
  • Page 56 SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION Q1204 TC10784 TRANSISTOR KTA1266(GR) RM2001 TC12331 REMOTE RECEIVER PIC-37043LU Q1351 TC10778 TRANSISTOR KTC3199(Y) # SA001 TC10891 SURGE ABSORBER PVR-10D471KB Q2022 TC10784 TRANSISTOR KTA1266(GR) SW506 TE15141 LEAF SWITCH SW507 TJ15142 ROTARY MODE SWITCH TRANSFORMER SW521 TE11957 TACT SWITCH # T001...

  • Page 57: Chapter 4 Schematic And Block Diagrams/Cba's

    CHAPTER 4 SCHEMATIC AND BLOCK DIAGRAMS/CBA’S 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 58 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 59: Vcr Section> Wiring Diagram

    VCR SECTION Wiring Diagram REAR (DECK ASSEMBLY) S-VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO DIGITAL VIDEO-V VIDEO-Y VIDEO-U OUT (R) OUT (L) IN (R) IN (L) OUT (R) OUT (L) AUDIO OUT AC CORD AC HEAD ASSEMBLY CL504 ANT-IN AUDIO AE-H...

  • Page 60: Main 1/5 Schematic Diagram

    Main 1/5 Schematic Diagram Note: When it is necessary to replace one or more of the following Diodes, all three should be replaced: D588, D589, D656. 4-1-4...

  • Page 61: Main 2/5 Schematic Diagram

    Main 2/5 Schematic Diagram Note: There are two types of tuner unit (TU701) : A and B. These types are compatible, and there is no problem when using either, but it is recommended that you replace the unit with the same type if possible. The following table shows the differences between types A and B: TU701...

  • Page 62: Main 3/5 Schematic Diagram

    Main 3/5 Schematic Diagram CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. If Main Fuse (F001) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail.

  • Page 63: Main 4/5 Schematic Diagram

    Main 4/5 Schematic Diagram 4-1-7...

  • Page 64: Main 5/5 Schematic Diagram

    Main 5/5 Schematic Diagram 4-1-8...

  • Page 65: Waveforms

    Waveforms Pin 5 of CN1601 Pin 13 of CN1601 NOTE: Input CD: 1kHz PLAY (WF4~WF6) DVD: POWER ON (STOP) MODE (WF1~WF3) VIDEO-Y 0.2V 20usec AUDIO-L 0.5msec Pin 7 of CN1601 Pin 15 of CN1601 VIDEO-CVBS 0.5V 20usec AUDIO-R 0.5msec Pin 9 of CN1601 Pin 18 of CN1601 VIDEO-C 0.2V...

  • Page 66: Function Schematic Diagram

    Function Schematic Diagram FL2001 MATRIX CHART STANDBY REPEAT STANDBY TITLE CHP. TRK. REPEAT TITLE CHP. TRK. 4-1-10...

  • Page 67: Jack Schematic Diagram

    Jack Schematic Diagram Note: When it is necessary to replace one or more of the following Diodes, all four should be replaced: D652, D653, D654, D655. 4-1-11...

  • Page 68: Main Cba Top View

    Main CBA Top View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Sensor CBA Top View Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. If Main Fuse (F001) is blown, check to see that all components in the power supply circuit are not ALSO , IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT defective before you connect the AC plug to the AC power supply.

  • Page 69: Main Cba Bottom View

    Main CBA Bottom View CAUTION CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, NOTE : Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. REPLACE ONLY WITH THE SAME TYPE FUSE.

  • Page 70: Function Cba Top/Bottom View

    Function CBA Top View Function CBA Bottom View 4-1-14...

  • Page 71: Jack Cba Top/Bottom View

    Jack CBA Top View Jack CBA Bottom View 4-1-15...

  • Page 72: Dvd Section Wiring Diagram

    DVD SECTION Wiring Diagram DVD MECHA LOADING RELAY CBA MOTOR CN501 P-ON+1.8V P-ON+1.8V EV+2.5V TRAY-OUT CN3001 CN401 EV+2.5V 1 LM(+) P-ON+5V 2 LM(-) P-ON+5V SPINDLE SW CBA TRAY-IN 3 TRAY-IN MOTOR 4 TRAY-OUT 5 GND 6 SP(-) SLIDE MOTOR 7 SP(+) 8 SL(-) 9 SL(+) TO MAIN CBA...

  • Page 73: Dvd Main 1/4 Schematic Diagram

    DVD Main 1/4 Schematic Diagram 4-1-17...

  • Page 74: Dvd Main 2/4 Schematic Diagram

    DVD Main 2/4 Schematic Diagram 4-1-18...

  • Page 75: Dvd Main 3/4 Schematic Diagram

    DVD Main 3/4 Schematic Diagram 4-1-19...

  • Page 76: Dvd Main 4/4 Schematic Diagram

    DVD Main 4/4 Schematic Diagram 4-1-20...

  • Page 77: Block Diagrams

    BLOCK DIAGRAMS < VCR SECTION > Servo/System Control Block Diagram TP502 IC501 MAIN CBA JACK CBA (SERVO/SYSTEM CONTROL) S-INH TO DVD SYSTEM CONTROL KEY 1 REMOTE1 SWITCH BLOCK DIAGRAM REMOTE <DVD SECTION> KEY 2 KEY SWITCH AL+5V IC301 (Y/C PROCESS) VCR LED CONTROL CN651...

  • Page 78: Video Block Diagram

    Video Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL MODE: SP/REC NOTE: The Tuner Unit (TU701) is either type A or type B. IC751 (OUTPUT SELECT) TP751 V-OUT TO DVD VIDEO Q391 DVD-VIDEO BLOCK DIAGRAM MAIN CBA BUFFER JK751 <DVD SECTION> V-OUT SW CTL TYPE A...

  • Page 79: Audio Block Diagram

    Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC NOTE: The Tuner Unit (TU701) is either type A or type B. TYPE A TU701 MAIN CBA MOD-A 2 DVD-A(R) TO DVD AUDIO TYPE B TU701 BLOCK DIAGRAM DVD-A(L) <DVD SECTION> Q762 BUFFER MOD-A...

  • Page 80: Hi-Fi Audio Block Diagram

    Hi-Fi Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP) NOISE Hi-Fi-CS SERIAL TO SERVO/ SYSTEM SERIAL-DATA DATA CONTROL BLOCK SERIAL-CLK DECODER DIAGRAM ST/SAP DEMOD FILTER DEMOD MATRIX DEMOD STEREO PILOT...

  • Page 81: Power Supply Block Diagram

    Power Supply Block Diagram CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. If Main Fuse (F001) is blown, check to see that all components in the ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES power supply circuit are not defective before you connect the AC plug to D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
  • Page 82 BLOCK DIAGRAMS < DVD SECTION > DVD System Control Block Diagram IC601 (DVD HOST PROCESSOR) IC2001 IC301 TFWD (FRONT PANEL CONTROL) (FRONT END PROCESSOR) TREV TFWD TOUT FL2001 TFWD TREV TREV GRID TOUT TOUT +3.3V IC605 STDIO FROM/TO STDIO a/KEY-1 CN501 CN1001 CN2002...
  • Page 83 RF Signal Process/Servo Block Diagram DATA(VIDEO/AUDIO) SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL SLIDE SERVO SIGNAL DISK SERVO SIGNAL IC101 (RF SIGNAL PROCESS) PICK-UP UNIT DVD MAIN CBA UNIT HOLD TESTSG CN101 FROM/TO DVD SIGNAL PROCESS BLOCK DIAGRAM NARF C 10 DETECTOR BDO DET INPUT...

  • Page 84: Dvd System Control Block Diagram

    DVD Signal Process Block Diagram DATA(VIDEO/AUDIO) SIGNAL DVD MAIN CBA UNIT IC201 (DVD SIGNAL PROCESS) PARA0 PARA1 PARA2 DATA VIDEO/AUDIO PARA3 TO DVD VIDEO SLICER PARA0-PARA7 DEMODULATOR FROM/TO RF SIGNAL INTERFACE BLOCK DIAGRAM NARF PARA4 PROCESS/SERVO PARA5 BLOCK DIAGRAM TESTSG PARA6 PARA7 MEMORY...

  • Page 85: Dvd Video Block Diagram

    DVD Video Block Diagram DATA(VIDEO) SIGNAL DATA(AUDIO) SIGNAL VIDEO SIGNAL DATA(VIDEO/AUDIO) SIGNAL IC601 (DVD HOST PROCESSOR) CACHE SUBSYSTEM FROM DVD PARA0 INTERNAL CENTRAL FRONT-END PCM-BCK SIGNAL PROCESS PARA0-PARA7 PERIPHERALS COMMAND & LINK PCM-DATA0 BLOCK DIAGRAM PARA7 PORTS PORT INTERFACE PCM-SCLK TO AUDIO AUDIO BLOCK...

  • Page 86: Dvd Audio Block Diagram

    DVD Audio Block Diagram DATA(AUDIO) SIGNAL AUDIO SIGNAL W F 6 CN701 CN1601 Q1351 JK1202 SPDIF DIGITAL AUDIO OUT IC801 (AUDIO DAC) IC1201 (AMP) W F 4 SPDIF CN701 CN1601 DVD-A(L) 4X/8X L-CH PCM-BCK ENPHANCED LPF+AMP AUDIO-L TO AUDIO OVERSAMPLING PCM-DATA0 SERIAL MULTI-LEVEL...

  • Page 87: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS [ VCR Section ] Mode SW : LD-SW LD-SW Position detection A/D Input voltage Limit Symbol (Calculated voltage) 3.76V~4.50V (4.12V) 4.51V~5.00V (5.00V) 0.00V~0.25V (0.00V) 1.06V~1.50V (1.21V) 0.66V~1.05V (0.91V) 1.99V~2.60V (2.17V) 1.51V~1.98V (1.80V) 3.20V~3.75V (3.40V) 0.26V~0.65V (0.44V) 4.51V~5.00V (5.00V) 2.61V~3.19V...
  • Page 88 13 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" 5 C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value 37 PB CTL Reversal Limit Value 10 C-F/R 11 H-A-SW 12 ROTA STILL...
  • Page 89 13 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" 5 C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value 37 PB CTL Reversal Limit Value 10 C-F/R 11 H-A-SW 12 ROTA STILL...
  • Page 90 1. EJECT (POWER OFF) -> CASSETTE IN (POWER ON) -> STOP(B) -> STOP(A) -> PLAY -> RS -> FS -> PLAY -> STILL -> PLAY -> STOP(A) SB TL FB SF PIN NO. 74 LD-SW CL/GC 0.3S LM-FWD "M" 0.3S /REV 0.2S 1.2S...
  • Page 91 2. STOP(A) -> FF -> STOP(A) -> REW -> STOP(A) -> REC -> PAUSE -> PAUSE or REC -> STOP(A) -> EJECT FB TL CL EJ PIN NO. GC AL 74 LD-SW CL/GC LM-FWD "M" /REV 0.2S 0.4S 0.1S 0.2S 0.2S 0.4S 0.4S...
  • Page 92 [ DVD Section ] Tray close ~ Play / Play ~ Tray open Eject key on Eject key on Tray close Play Tray open Disc Rotation LSW2 LSW1 4.4s (TL123) 700ms 2.0s 1.2s ( TP122 ) 1.7s ( TL122 ) 4-3-6...

  • Page 93: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS [ VCR Section ] Signal Active Function Name Level IC501( SERVO / SYSTEM CONTROL IC ) C-VIDEO- Composite Video Signal Input (Slicer) “H” ≥ 4.5V, “L” ≤ 1.0V Condenser VHOLD Connected Signal Active Function Terminal (Slicer) Name Level LPF Connected...

  • Page 94: Dvd Mode

    Signal Active Signal Active Function Function Name Level Name Level Playback Control TIMER “TIMER” LED Signal PB-CTL PULSE 84 OUT Signal Output Capstan Motor TIMER “TIMER” LED Signal 55 OUT C-CONT 85 OUT Control Signal Output Drum Motor Control N.U. Not Used 56 OUT D-CONT Signal...
  • Page 95 [ DVD Section ] IC2001 [ PT6315-S / PT6315-S ] Signal In/Out Name Function Name Clock Input Serial Interface Strobe Key Data 1 Input Key Data 2 Input Power Supply a / KEY-1 Segment Output / Key Souce-1 Segment Output / Key b / Key-2 Souce-2 Segment Output / Key...

  • Page 96: Lead Identifications

    LEAD IDENTIFICATIONS BN1F4M-T 2SC1815-BL(TPE2) NJM4558D 2SK2662 BA1F4M-T 2SC1815-Y(TPE2) KIA4558P KIA78R33PI KTA1266(GR) 2SC1815-GR(TPE2) PQ3RD13(1A) KTC3193(Y) 2SC3331(T,U) KTC3199(Y,GR,BL) 2SC2120-Y(TPE2) 2SC2785(J.H.F.K) KTC3203(Y) 2SA1015-GR(TPE2) KTC3202(Y) KTC3198(Y,GR) KRC110M-AT KRC103M BA1L3Z-T KRA103M KTC3205 (Y) 2SA966(Y) BN1L3Z(P) 2SC2236-Y-TPE6,C KRA110M KTA1273(Y) E C B E C B G D S 2SC536NF(NG)-NPA-AT PT6315-S QSZAA0RMB116...
  • Page 97 No. 9206E Digital Media Division, Tokai DV-PF2U...

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