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Hitachi VM-H675LA Service Manual

8mm video camera/recorder
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See also: Instruction Manual
SERVICE MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
8mm VIDEO CAMERA/RECORDER
February
2001
TK
When Servicing the Mechanism:
This camera/recorder uses a UH mechanism.
When servicing the UH mechanism, refer to the
following service manuals:
Disassembly
Mechanical
Adjustment
Maintenance/
Inspection
Procedure
Exploded View
Digital Media Products Division,Tokai
No. 7101E
VM-H675LA
VM-E575LA
VM-E573LA
VM-ACE5A
AC Adapter
UH MECHANISM
Item
Manuals to be referred to
UH Mechanism (No. 6811E)
UH Mechanism Supplement
(No. 6811E-1)
UH mechanism (No. 6811E)
Chapter 4 in this manual

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  • Page 1 No. 7101E VM-H675LA VM-E575LA SERVICE MANUAL VM-E573LA VM-ACE5A AC Adapter UH MECHANISM When Servicing the Mechanism: This camera/recorder uses a UH mechanism. When servicing the UH mechanism, refer to the following service manuals: Item Manuals to be referred to Disassembly UH Mechanism (No.
  • Page 2 Service Manual. The use of a substitute replacement component which does not have the same safety characteristics as the HITACHI recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Product safety is continuously under review and new instructions are issued from time to time.

  • Page 3: Notes When Using Service Manual

    Notes When Using Service Manual Notes When Using Service Manual The following shows the contents to be noted when using service manual: 1. Value units used in parts list 3. Identifications of sides A/B in circuit board diagrams Certain symbols are indicated below for value units of resistors, capacitors and coils in parts list.

  • Page 4: Table Of Contents

    CONTENTS CHAPTER 1 GENERAL INFORMATION 2.4 Preset Positions of Switches and Controls During Adjustment ......3-2 SPECIFICATIONS ............. 1-1 2.5 Check After Replacing Major Components COMPARISON OF FEATURES ........ 1-2 in the Camera Section ......... 3-3 COMPARISON OF MAIN CONTROL ICs ....1-3 2.6 Adjustment Procedure .........
  • Page 5 CHAPTER 7 APPENDIX CHAPTER 5 REPLACEMENT PARTS LIST 1. SELF-DIAGNOSTIC FUNCTION ......7-1 1. MECHANICAL PARTS LIST ........ 5-1 1.1 Overview ............7-1 2. ELECTRICAL PARTS LIST ......... 5-2 1.2 Details of Display/ Detection and Applications ......7-2 1.3 Setting Procedure and CHAPTER 6 SCHEMATIC, CIRCUIT BOARD Details of Diagnosis ........

  • Page 6: General Information

    Fast forward/rewind time Less than 8 minutes with P6-120 cassette Camera Specifications Scanning 525 lines/60 fields/30 frames Required minimum illumination VM-H675LA: 0.5 lx VM-E575LA: 0.3 lx VM-E573LA: 0.3 lx Pickup device 1/4" C.C.D. Lens F1.6 to 3.8 (4 to 88 mm) 22:1 power zoom lens with auto focus and...

  • Page 7: Comparison Of Features

    Dimensions (W × H × D ) 111.5 mm × 111.5 mm × 200 mm 111.5 mm × 111.5 mm × 202 mm Weight Approx. 836 g Format 8 mm (Hi-8) [VM-H675LA] 8 mm (Hi-8) [VM-H665LA] 8 mm [VM-E575LA/E573LA] 8 mm [VM-E563LA]...

  • Page 8: Comparison Of Main Control Ics

    COMPARISON OF MAIN CONTROL ICs Note: Destinations normally added at the end of model names, (K), etc. are omitted in this table. ITEM VM-H675LA/E575LA/E573LA VM-H665LA/E563LA CCD Sensor ICX206AK (IC1001) V-Move (Vertical Gyro) ENC-03JA-07 (IC1401) H-Move (Horizontal Gyro) ENC-03JB-07 (IC1402) Gyro Amp...

  • Page 9: Jigs And Tapes For Service

    JIGS AND TAPES FOR SERVICE 1. Alignment Tape 2. Cassette Torque Meter 3. Master Plane 4. Reel Disk Height Jig 20HSC-2: No. 7099231 SRK-8T-132: No. 7099235 No.7099237 No. 7099238 SRK-8T-112: No. 7099385 5. Special Driver 6. C12 Light Balance 7. ATF-R Jig (*1,*2) 8.

  • Page 10: How To Use The Extension Cable And Jig

    HOW TO USE THE EXTENSION CABLE AND JIG Name of Jig Parts No. How to Use 8 - 20 Pin Extention TS15411 Used for electrical adjustment. Connected between PG905 on the VCA circuit board Cable and DSP Output Jig (20 pins). Refer to Fig. 1-1 on the page 3-1. 4-Pin Extension Cable 7069203 Installed between the VCA circuit board and mode switch (mechanism state switch).

  • Page 11: Service Manual Abbreviation List

    SERVICE MANUAL ABBREVIATION LIST A (A-) Analog Cassette Automatic Color Control C.SYNC Composite Synchronizing Signal Analog-to-Digital Converter Control Track Pulse (Control) Adder Cylinder ADP. Adapter (AC Adapter) ADRS Address D (D-) Digital A.DUB Audio Dubbing Double Azimuth Automatic focus (Autofocus) Digital to Analog Converter Automatic Frequency Control Direct Drive...
  • Page 12 Hi-Fi High Fidelity Read Only Memory High-pass Filter Reel Sensor Supply Head Switch (Supply Reel Sensor) Reel Sensor Take-up Intermediate Frequency or Interface (Take-up Reel Sensor) INDI. Indicator R-YL Color Difference Signal R-YL INST. Instant INT. Internal Sawtooth Signal INV. Inverter SC1 (0°...

  • Page 13: Identifying Controls

    7. Record Indicator (p28) while in manual focus mode. VM-H675LA has S-VIDEO jack and monaural LOCK: The camcorder will not enter the VIDEO mode: To control playback volume. audio output jack.
  • Page 14 Setting Buttons (p23, 32) 39. Recorder Remote Control Tape Transport Buttons: This instruction manual contains illustrations of VM-H675LA camcorder and displays. Some displays Same functions as the corresponding buttons on PLAY: To play back tape. do not appear, depending on the model.

  • Page 15: Charging The Battery

    VM-ACE5A AC adaptor. Charge the battery at a temperature range of 50 F (10 C) – 86 F upper side and remove. (30 C) to prevent damage to the battery. Battery VM-BPL13 VM-BPL30 VM-BPL60 VM-H675LA Note: This camcorder operates with a lithium ion battery such as VM-BPL13/VM-BPL30/VM-BPL60. 1h 40 min 3h 35 min 7h 20 min Note: We cannot be responsible for any malfunctions of the camcorder which occur when you use bat- tery packs other than those specified.

  • Page 16: Items Selectable With Manu Displays

    Take the time to set the date and time now. The date and time can be recorded on your tapes to act as a handy reference when viewing them later. Use the following procedure to set up the display for Note: The VM-H675LA menu displays are used for the following explanation. Some items do not appear, the current date and time.

  • Page 17: General Maintenance

    VM-H675LA/VM-E575LA/VM-E573LA...

  • Page 18: Chapter 2 Disassembly

    CHAPTER 2 DISASSEMBLY BEFORE STARTING DISASSEMBLY (1) Dismantle and reassemble the mechanism in loading stop status, except for the following components: Cassette Lid Top Cover Parts on the UH mechanism Note: After dismantling or resembling the cassette lid or top cover, return the mechanism to loading stop status.

  • Page 19: Cases And Circuit Boards Removal

    CASES AND CIRCUIT BOARDS REMOVAL 2.1 Jack Cover, Front Cover Assembly, Lens Cover (Fig. 2-1) Reinstallation procedure and caution: Note:Some models are not equipped with the DC light. The O-ring must be installed in the position shown in Fig. Cautions: 2-1.

  • Page 20: Lcd Case-U, Lcd Block, Cassette Lid, Top Cover

    2.3 LCD Case-U, LCD Block, Cassette Lid, Top Cover (Figs. 2-3-1, 2-3-2) Cautions: Advise of Top Cover Removal 1. Dismantle and reassemble only the cassette lid and top Insert a flat-bladed screwdriver between the top cover and cover in loading stop status. After work is completed, sub chassis, and push section (B) of the plate spring in the return the mechanism to loading stop status.

  • Page 21: L-Case Assembly, R-Case Assembly

    2.4 L-Case Assembly, R-Case Assembly (Fig. 2-4) Reinstallation procedure and caution: Caution: Connect connectors PG951 and PG731 securely. Be careful so as not to damage the connectors (PG951 and PG731) between the VCA and CON circuit boards. L-CASE REMOVE R-CASE ASSEMBLY ASSEMBLY SCREWS...

  • Page 22: Electronic Viewfinder (Evf) Assembly, Speaker, Con Circuit Board, Fulcrum, L-Case

    2.5 Electronic Viewfinder (EVF) Assembly, Speaker, CON Circuit Board, Fulcrum, L-Case (Figs. 2-5-1, 2-5-2) Cautions: Reinstallation procedure and caution: Be careful not to damage the LCD Open/Close switch on When reinstalling the EVF assembly, speaker, CON the CON circuit board. circuit board and fulcrum, lay out each cable as shown in Fig.

  • Page 23: Camera Chassis Assembly

    2.6 Camera Chassis Assembly (Lens Frame, Lens, SE Circuit Board, CCD Sensor) VCR Chassis Assembly, Jack Unit, Rear Cover, Power Terminal Unit (Fig. 2-6) Cautions: Reinstallation procedure and caution: 1. Be careful so as not to damage the connectors (PG201 1.

  • Page 24: Uh Mechanism

    2.7 VCA Circuit Board, Meacanism Frame, UH Mechanism (Fig. 2-7) MECHANISM MECHANISM RELEASE FRAME TWO TABS VCA CIRCUIT BOARD DISCONNECT CONNECTOR DISCONNECT REMOVE THREE FLAT CABLES SCREWS DISCONNECT REMOVE THREE FLAT CABLES SCREW HEAD SHIELD Fig. 2-7 2.8 Hand Strap, TW/PW Switch, R-Case (Fig. 2-8) Cautions: Be careful not to damage the flat cable of the TW/PW switch.

  • Page 25: Lcd Circuit Board, Back Light, Lcd Module, Lcd Case-B

    2.9 LCD Circuit Borad, Back Light, LCD Module, LCD Case-B (Fig. 2-9) Cautions: 1. Be careful that the LCD screen is not damaged or smudged. (If dirt adheres to it, use a soft cloth to wipe it off.) 2. Handle the LCD module and backlight with extreme care.

  • Page 26: How To Operate The Mechanism Manually

    HOW TO OPERATE THE MECHANISM MANUALLY CAUTION Perform this procedure for emergency only when normal loading or unloading is not possible because the electrical circuits or loading motor is defective. MECHANISM Remove the r-case assembly. (See Figs. 2-4-1, 2-4-2) Disconnect connector (CN604) from PG604 on the VCA circuit board, and supply 4V DC to CN604 (directly to the loading motor).
  • Page 27 LOADING MOTOR RELEASE TABS LOADING MOTOR HOLDER GEAR GEAR Fig. 3-3 Memo 2 - 10...

  • Page 28: Chapter 3 Electric Circuit Adjustment

    CHAPTER 3 ELECTRIC CIRCUIT ADJUSTMENT Trademark Abbreviation MS-DOS is a registered trademark of Microsoft MAP:Digital adjustment program. Corporation. DSP: Digital signal processor CONNECTION FOR ADJUSTMENT 1.1 Before Starting Adjustment Set the date. (If the camera/recorder is left for 2. It is not necessary to remove cases for electric several minutes with no date set after power is circuit adjustments.

  • Page 29: Camera Section Adjustment

    CAMERA SECTION ADJUSTMENT 2.1 Test Equipment Necessary for 2.4 Preset Positions of Switches and Adjustment Controls During Adjustment Oscilloscope (dual trace) [& Vectorscope] Note: Some models do not have switches (modes) Digital Voltmeter (DVM) marked "#". Color Video Monitor Adjustment Floppy Disk CAM/OFF/VIDEO switch ....

  • Page 30: Check After Replacing Major Components In The Camera Section

    2.5 Check After Replacing Major Components in the Camera Section After replacing major components, perform adjustments, referring to the table below. The following table shows the minimum adjustments required after major components are replaced. The table below may not apply when several components are replaced, depending on the symptom of the defect. Caution: When EEPROM or the VCA circuit board is replaced, initialize the EEPROM, referring to "2.6.3 Initial Setting by Model"...

  • Page 31: How To Start The Map

    2.6.2 How to Start the MAP 2.6.3 Initial Setting by Model Turn the personal computer on and start the MS- Before Starting Initial Setting DOS system. 1. This item describes how to initialize the EEPROM. Note: Refer to the instruction manual of the personal Be sure to perform this item after replacing EEPROM computer for how to start computer.

  • Page 32: Digital Adjustment Procedure

    Purpose: To set the iris control data. 3) Refer to display 4-3. Incompleted Phenomenon: The picture becomes too bright. 4) VM-H675LA/H675LA(K): The picture becomes too dark. Press 0 (ZERO) C to input the data. Condition: VM-E575LA/E575LA(K)/E573LA/E573LA(K): Point the camera at the light box without a chart to Press 0 (ZERO) C to input the data.

  • Page 33: Chroma Gain Adjustment

    CHROMA GAIN DOWN FINE ADJUSTMENT [Crt] + [U] CHROMA GAIN UP [Crt] + [D] CHROMA GAIN DOWN 100% [ENTER] SAVE & RETURN TO MENU [ESC] QUIT 100% Fig. 2-2 [For VM-H675LA/H675LA(K)/ Fig. 2-3 [For VM-H775LE/E578LE(AU)/ E575LA/E575LA(K)/E573LA/E573LA(K)] E578LE(SW)/E575LE] 3 - 6...

  • Page 34: Autofocus Adjustment Procedure

    Condition: 2.6.5 Autofocus Adjustment Procedure Point at the backfocus chart, 1500 ± 5 mm away from Before Starting Adjustment the lens surface. Be sure to perform this adjustment after replacing or Light the chart with 200 - 400 lx. initializing the lens block or VCA circuit board (EEPROM). Caution When Adjustment: 1) Measure the distance between the chart and lens Start the MAP.

  • Page 35: Stabilizer Adjustment Procedure

    2.6.6 Stabilizer Adjustment Procedure 2.6.7 Spot Noise Adjustment Procedure [Except for VM-E578LE(AU)/E578LE(SW)] Before Starting Adjustment Before Starting Adjustment 1. The spot noise is identified as the fine white noise that 1. Be sure to perform this adjustment after replacing appears when the lens cap is attached after the power or initializing the SE circuit board and VCA circuit is turn on.

  • Page 36: Color Lcd Monitor Adjustment

    2.7 Color LCD Monitor Adjustment 2.7.1 Adjustment Procedure Before Starting Adjustment Flicker Adjustment Be sure to perform this adjustment after replacing Purpose: the LCD unit, components on the LCD circuit board To minimize flickering on the LCD screen: or the VCA circuit board (EEPROM), or initializing Incompleted Phenomenon: the EEPROM.

  • Page 37: Vcr Section Adjustment

    3. VCR SECTION ADJUSTMENT 3.1 Test Equipment and Alignment Tapes NAME OF MAJOR COMPONENTS Necessary for Adjustment ITEM NAME OF Cylinder IC0901 ADJUSTMENT Circuit Test Equipment, Jigs etc. Board Digital Voltmeter (DVM) SYSTEM CONTROL/SERVO CIRCUITS ADJUSTMENT Color Video Monitor (1) Power Shut Off DC Power Supply (DC 0 - 8V/3A) DC Power Supply (DC 5V/1A) level Adjustment...

  • Page 38: Head Switching Point Adjustment

    (1) Power Shut Off Level (ODC: Over Discharge (2) Head Switching Point Adjustment Control) Adjustment Note: Be sure to perform this adjustment after replacing Purpose: the cylinder assembly and VCA circuit board. To set the minimum voltage required to operate the camera/recorder.

  • Page 39: Error Message

    ERROR MESSAGE A message may appear while you are adjusting the video camera/recorder. If a message appears, refer to the following table and take appropriate corrective action. 4.1 Digital Adjustments ERROR MESSAGE COUNTERMEASURE ERROR OCCURRED. IRIS TROUBLE Check whether or not power is supplied. PRESS ANY KEY Check the values of the iris drive circuit.

  • Page 40: Autofocus Adjustment

    4.2 Autofocus Adjustment ERROR MESSAGE COUNTERMEASURE TIME OUT ERROR ON FOCUS Check the conditions of subject. If this error message appears even when the adjustment is performed 2 or 3 times, the autofocus circuit system is defective. Refer to (1) of TROUBLESHOOTING OF AUTOFOCUS. TIME OUT ERROR ON ZOOM If this error message appears even when the adjustment is performed 2 or 3 times, the autofocus circuit system is defective.

  • Page 41: Vcr Adjustment

    4.5 VCR Adjustment ERROR MESSAGE COUNTERMEASURE ERROR: SWP_TEST>DAT FILE NOT FOUND! The adjustment program cannot be found. Check the adjustment floppy disk and replace it if necessary. ERROR: INVALID MODEL A wrong model has been selected. PRESS ANY KEY The adjustment program cannot be found. Check the adjustment floppy disk and replace it if necessary.

  • Page 42: No Zoom And Focus Operation

    (1) NO ZOOM AND FOCUS OPERATION Can zoom be operated Check the zoom switch unit. from the remote control Check IC1104 and EEPROM. Note: Check the items marked by turned power ON. Check the remote control and IR receiver section TL1306: PULSE Is manual focus provided...
  • Page 43 Check the connections Connect the connections IC1301-17, 19: PULSES IC1104 faulty of the lens flat cable. of the lens flat cable. TL1317: 3V Check the 3V line. Check IC1301. Note: Check the items marked by turned power ON. • R1317 faulty TL1305: PULSE TL1312: PULSE •...

  • Page 44: No Focus Lens Operation

    (2) NO FOCUS LENS OPERATION Does zoom operate See “ (1) NO ZOOM AND normally FOCUS OPERATION”. IC1301-3: 3V Check the 3V line. Is manual focus provided IC1301-4, 11, 23: 5V Check the 5V line. Can switching be done Check the focus Focus switches faulty between manual focus •...

  • Page 45: No Zoom Operation

    (3) NO ZOOM OPERATION Does focus operate See “ (1) NO ZOOM AND normally FOCUS OPERATION” . IC1301-4, 11, 23: 5V Check the 5V line. Can zoom be operated Check the zoom switch unit. • C1302 faulty from the remote control TL1325: 12V •...

  • Page 46: No Autofocus Operation

    (4) NO AUTOFOCUS OPERATION Increase the illumination VIDEO SIGNAL: 360mVp-p or more of the subject. See “(1) NO ZOOM AND Does zoom operate FOCUS OPERATION”. normally Does the video level Camera circuit faulty increase Is manual focus provided Set the zoom to the Can switching be done wide-angle end Check the focus...
  • Page 47 Check the connections Connect the connections TL1313-TL1316: PULSES Lens block faulty of the lens flat cable. of the lens flat cable. IC1301-3: 3V TL1317: 3V Check the 3V line. Check the 3V line. • R1316 faulty IC1301-4, 11, 23: 5V Check the 5V line.

  • Page 48: Subject Is Greatly Out-Of-Focus When Zoomed

    (5) SUBJECT IS GREATLY OUT-OF-FOCUS WHEN ZOOMED Is manual focus provided Can switching be done Check the focus Focus switches faulty between manual focus switches. and autofocus • Focus switches faulty. • R1179 faulty IC1104-92: PULSE • R1186 faulty • C1118 faulty •...

  • Page 49: Cabinet (1)

    CHAPTER 4 EXPLODED VIEWS CABINET (1) CIRCUIT [TYPE 675, 575] BOARD CIRCUIT BOARD CIRCUIT BOARD 4 - 1...

  • Page 50: Cabinet (2)

    CABINET (2) MECHANISM JACK UNIT VCA CIRCUIT BOARD CIRCUIT BOARD EVF UNIT 4 - 2...

  • Page 51: Uh Mechanism

    UH MECHANISM 209 208 SUB CHASSIS 4 - 3...

  • Page 52: Accessories

    ACCESSORIES 802 (VM-ACE5A) 805 (VM-RME611A) Battery (VM-BPL13) 4 - 4...

  • Page 53: Chapter 5 Replacement Parts List

    CHAPTER 5 REPLACEMENT PARTS LIST 1. MECHANICAL PARTS LIST TBR : To Be Reported SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION KK10331 BELT,TIMING MECHANISM SECTION KX21411 ARM,R UE13524 CHASSIS,SUB QD18891 LID,CASSETTE KH10353 REEL DISK,TAKE-UP QD19882 CASE,SIDE(R) [TYPE 675] KH10363 REEL,DISK SUPPLY QD19884 CASE,SIDE(R) [TYPE 573] KX20303...

  • Page 54: Electrical Parts List

    2. ELECTRICAL PARTS LIST SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION C0223 0806167 ELECTROLYTIC 47UF 4V CAMERA & VCR SECTION C0224 0893193 CERAMIC CHIP 0.01UF+-10% 25V C0225 0893193 CERAMIC CHIP 0.01UF+-10% 25V C0001 0893193 CERAMIC CHIP 0.01UF+-10% 25V C0226 AA00751R CERAMIC CHIP 10UF+-10% 6.3V C0004 0893193 CERAMIC CHIP 0.01UF+-10% 25V...
  • Page 55 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION C0356 0893062 CERAMIC CHIP 1UF+80-20% 16V C0517 0893217 CERAMIC CHIP 4700PF+-10% 50V C0357 AA01101R CERAMIC CAPACITOR 1UF+-20% 10V C0518 0893129 CERAMIC CHIP 180PF+-5% 50V C0358 AA01101R CERAMIC CAPACITOR 1UF+-20% 10V C0519 0893133 CERAMIC CHIP 330PF+-5% 50V C0360 AA01101R CERAMIC CAPACITOR 1UF+-20% 10V...
  • Page 56 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION C0655 0893179 CERAMIC CHIP 0.1UF+-10% 16V C1116 0893208 CERAMIC CHIP 1000PF+-10% 50V C0656 0893179 CERAMIC CHIP 0.1UF+-10% 16V C1117 0893232 CERAMIC CHIP 0.1UF+80-20% 25V C0657 AA01136R CERAMIC CAPACITOR 0.47UF+-10% 6.3V C1118 0893232 CERAMIC CHIP 0.1UF+80-20% 25V C0658 0893179 CERAMIC CHIP 0.1UF+-10% 16V...
  • Page 57 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION R0007 0103978 CHIP RESISTOR 3.3OHM+-5% 1/8W R0164 0790041 CHIP RESISTOR 1.8KOHM+-5% 1/16W R0008 0790037 CHIP RESISTOR 1KOHM+-5% 1/16W R0165 0790059 CHIP RESISTOR 47KOHM+-5% 1/16W R0009 0790047 CHIP RESISTOR 5.6KOHM+-5% 1/16W R0166 0790037 CHIP RESISTOR 1KOHM+-5% 1/16W R0010 0790077 CHIP RESISTOR 1MOHM+-5% 1/16W...
  • Page 58 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION R0289 0790037 CHIP RESISTOR 1KOHM+-5% 1/16W R0510 AQ00238R CHIP RESISTOR 47KOHM+-1% 1/16W R0290 0790052 CHIP RESISTOR 12KOHM+-5% 1/16W R0511 0790057 CHIP RESISTOR 33KOHM+-5% 1/16W R0291 0790035 CHIP RESISTOR 680 OHM+-5% 1/16W R0512 0790044 CHIP RESISTOR 3.3KOHM+-5% 1/16W R0291 0790036 CHIP RESISTOR 820 OHM+-5% 1/16W...
  • Page 59 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION R0761 0790037 CHIP RESISTOR 1KOHM+-5% 1/16W R0959 0790046 CHIP RESISTOR 4.7KOHM+-5% 1/16W R0762 0790036 CHIP RESISTOR 820 OHM+-5% 1/16W R0960 AQ00221R CHIP RESISTOR 10KOHM+-1% 1/16W R0763 0790026 CHIP RESISTOR 150 OHM+-5% 1/16W R0961 0790051 CHIP RESISTOR 10KOHM+-5% 1/16W R0764 0790037...
  • Page 60 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION R1208 0790054 CHIP RESISTOR 18KOHM+-5% 1/16W D0555 CC10291R DIODE 1SS353 R1209 0790067 CHIP RESISTOR 180KOHM+-5% 1/16W D0556 CC10291R DIODE 1SS353 R1210 0790053 CHIP RESISTOR 15KOHM+-5% 1/16W D0557 CC10291R DIODE 1SS353 R1211 0790054 CHIP RESISTOR 18KOHM+-5% 1/16W D0901 CC10291R DIODE 1SS353...
  • Page 61 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION Q0202 1323294 TRANSISTOR 2SA1774RS Q5506 1323293 TRANSISTOR 2SC4617 (R/S) Q0204 1323252 TRANSISTOR XP4501 Q5510 1323293 TRANSISTOR 2SC4617 (R/S) Q0206 1323279 TRANSISTOR DTC114YE Q5511 1308011 TRANSISTOR MPL1 Q0209 1323291 TRANSISTOR 2SC4617 Q5512 1323012 TRANSISTOR 2SC3647 Q0210 1323291 TRANSISTOR 2SC4617...
  • Page 62 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION PG0001 1830309 CONNECTOR PG0101 EA11472R PLUG PG0201 1830118 CONNECTOR PG0301 EA11043R CONNECTOR PG0471 5668671 MINI PLUG PG0552 5669194 PLUG PG0601 5692362 MINI PLUG PG0602 EA11474R PLUG PG0603 EA11471R PLUG PG0604 5668671 MINI PLUG PG0701 5669199 PLUG PG0731 EA10991R CONNECTOR...

  • Page 63: Schematic, Circuit Board And Block Diagrams/ Microprocessor Pin Function Table

    SCHEMATIC, CIRCUIT BOARD AND BLOCK DIAGRAMS/ CHAPTER 6 MICROPROCESSOR PIN FUNCTION TABLE INTERNAL WIRING DIAGRAM MECHA.SENSOR LOADING MOTOR CAPSTAN MOTOR CYL. VIDEO MOTOR HEADS MODE SWITCH MECHA. ADJUST TERMINAL SERVICE ADJUST TERMINAL CR2025 POWER +B(ADP) TERMINAL +B(ADP) UNIT +B(ADP) B.SERIAL CN0903 ADP-DET BOARD to BOARD...

  • Page 64: Video Process [Vca]

    SENSOR/GYRO [SE] SCHEMATIC DIAGRAM WAVEFORMS 1-A IC1001-7 1.1Vp-p 3-A IC1001-14 4.3Vp-p 1V/ 100n sec.cm 0.2V/ 20µsec.cm -7.2 -7.2 -7.2 -7.2 IC1001 ICX206AK 2-A IC1001-13 4.3Vp-p CCD SENSOR 1V/ 100n sec.cm 15.0 -7.2 ENC-03JA-07 ENC-03JB-07 VIDEO PROCESS [VCA] PG0201 CODE PART NAME 2SC2620-QC XP4501 NJU7018M-TE1...
  • Page 65 CAMERA PROCESS [VCA] SCHEMATIC DIAGRAM CODE PART NAME 2SC4617 2SC2411K-Q UMH9N 1SS353SP DA221 NOTE: VOLTAGES ARE MEASURED WHEN CAMERA IS POINTED AT THE COLOR BAR CHRT. VIDEO : ONE VOLTAGE: PB OR REC MODE PROCESS TWO VOLATGE: PB AND (REC) MODE 4B-18B F.DET/IRIS DRIVE (1.0)

  • Page 66: System Control

    SYSTEM CONTROL [VCA] SCHEMATIC DIAGRAM CODE PART NAME POWER SW [PSW] T/W,REC,EJECT To CHARGE 1C-11C To REGULATOR 1H-3H,5H-16H To AUDIO 1Q-10Q PG0701 UNIT 2SC4617 2SC2412K-BRT 2SA1774RS DTA114YE NOTE:ONE VOLTAGE:PB OR REC MODE DTC114YE TWO VOLTAGES:PB AND (REC) MODE 1SS353SP : WAVEFORMS No. MA726 CHARA.GEN 0-3.1...
  • Page 67 SYSTEM CONTROL MECHA. STATE SWITCH/MECHA. SENSOR POWER SW [PSW] SCHEMATIC DIAGRAM WAVEFORMES SCHEMATIC DIAGRAMS TL909 3.0Vp-p 1V/ 20µ˚sec.cm MECH 1 REC/PLAY SYSTEM MECH 2 CONTROL [VCA] MECH 0 PG0902 VIDEO MECHA. IC901-41 200mVp-p 0.5V/ 20µ˚sec.cm STATE SW. REC/PLAY REM.DATA SYSTEM CONTROL [VCA] PG0903...

  • Page 68: Servo

    SERVO [VCA] SCHEMATIC DIAGRAM MECHA. ADJUST LOADING TERMINAL MOTOR CAPSTAN MOTOR CYL.MOTOR VIDEO PROCESS L.MOTOR DRIVE LB1991V-TLM CAPSTAN MOTOR DRIVE IC0631 LB1950V-TLM TL0660 CYL.MOTOR DRIVE SERVO [VCA] NOTE:ONE VOLTAGE:PB OR REC MODE REGULATOR TWO VOLTAGES:PB AND (REC) MODE 1K-9K : WAVEFORMS No. SYSTEM CONTROL 1L-14L...
  • Page 69 AUDIO -MONAURAL- [VCA] SCHEMATIC DIAGRAM (0.6) (5.0) 0(5) 3(0) SYSTEM CONTROL 9Q,10Q (3.1) REGULATOR 1P-3P 3(0) VIDEO PROCESS 1S,2S MIC UNIT SYSTEM 0.047µ CONTROL 11Q,12Q CAMERA PROCESS 0.2-3.0 (3.1) (1.8) (0.6) (0.4) MONAURAL AUDIO PROCESS 2.4(0) VREF 2.2(0) 0.6(0.2) 1.9(0) H.P/SP POWER MUTE...
  • Page 70 REGULATOR [VCA] SCHEMATIC DIAGRAM 0:EVF ON 4.9:LCD ON 0:EVF ON 4.9:EVF ON 2.9:LCD ON 4.2:LCD ON CHARGE 1A-3A VIDEO 4.9:EVF ON PROCESS 0:LCD ON 1G-7G 4.8:EVF ON 0:LCD ON 4.2:EVF ON SYSTEM 4.9:LCD ON CONTROL 7.2V 0:EVF ON 1H-4H 4.9:LCD ON VIDEO 1.1μs 1μs PROCESS...
  • Page 71 IC BLOCK DIAGRAMS IC0101 IC0202 IC1111 HA118189MPER HD49323AF MB88347PFV VIDEO HEAD AMP CDS/ADC & D/A CONV. A/D CONV. DIGITAL BLOCK(MCU INTERFACE) 18 19 16 34 33 32 12-bit SHIFT REGISTER GAIN SELECT CDSIN 10bit VRM2 4-bit ADDRESS DECODER 12 LD BIAS SERIAL I/F CLAMP...
  • Page 72 VIDEO PROCESS WAVEFORMS 1-A TL107 3.2Vp-p TL216 1.1Vp-p 13-A TL265 1.8Vp-p 16-B TL352 4.0Vp-p 22-A IC202-27 1.1Vp-p 34-A Q202-E 400mVp-p 38-B Q352-B 2.1Vp-p 29-A IC203-13 3.0Vp-p 1V/ 20µ sec.cm 0.2V/ 20µ sec.cm 0.1V/ 20µ sec.cm 0.5V/ 20µ sec.cm 0.5V/ 5m sec.cm 0.2V/ 20µ...

  • Page 73: Video Process

    VIDEO PROCESS [VCA] SCHEMATIC DIAGRAM To SYSTEM CONTROL 1E-11E REGULATOR 8G-10G C0234 R0291 2P:TYPE 675 820:TYPE 675 39P:TYPE 575/573 680:TYPE 575/573 TL0246 2.2(0) 0(2.7) 0(3.3) TL0247 2.2(3) 1.1(0) 0(1.8) (1.8) TL0248 -1.5 0(1.2) 2.2(0) 12.5 (1.2) 2.2(3) TL0249 1.1(0) AVss AVDD CDSIN AVss...
  • Page 74 CHARGE [VCA] SCHEMATIC DIAGRAM CONTROL [CON] SCHEMATIC DIAGRAM SPEAKER LCD DRIVE uPA1770G [LCD] PG5701 LCD DRIVE [LCD] PG5302 POWER [TYPE 675] TERMINAL UNIT PLAY DATE TITLE MENU LCD REVERSE 2SK3019 (KN) EVF UNIT SW0765 STOP SYSTEM CONTROL [VCA] PG0951 CHARGE FADE EFFECT FOCUS-F...
  • Page 75 LCD DRIVE [LCD] SCHEMATIC DIAGRAM CODE PART NAME 2SC4617RS MPL1 DTA144EE DTC114YE MA781WK VOLTAGE:PB OR REC MODE -1.5 11.5 11.5 -1.5 BACK LIGHT CONTROL [CON] PG0733 TEST TERMINAL LCD UNIT LCD DRIVE [LCD] CONTROL [CON] PG0734 6 - 27 6 - 28 LCD DRIVE LCD DRIVE...
  • Page 76 CON, SE, PSW CIRCUIT BOARD DIAGRAMS -SIDE A- CON – SIDE A – [PATTERN No.JA1743-7] PSW – SIDE A – SE – SIDE A – [PATTERN No.JA1743-7] [PATTERN No.JA1743-7] CON, SE, PSW -SIDE A- 6 - 29 6 - 30 CON, SE, PSW -SIDE A-...
  • Page 77 CON, SE, PSW CIRCUIT BOARD DIAGRAMS -SIDE B- CON – SIDE B – [PATTERN No.JA1743-7] DIFFERENCE TABLE NOTE: This table listes the different components marked with asterisks ( ) in the circuit board diagrams. CON -SIDE B- TYPE SYMBOL TYPE Parts Location 575/573...
  • Page 78 VCA CIRCUIT BOARD DIAGRAM -SIDE A- DIFFERENCE TABLE NOTE: This table listes the different components marked with asterisks ( ) in the circuit board diagrams. VCA -SIDE A- SYMBOL TYPE TYPE TYPE Parts Location C302 R1192 R1193 TL1312 TL1305 TL1301 TL1313 TL0909 TL1317...
  • Page 79 VCA CIRCUIT BOARD DIAGRAM -SIDE B- DIFFERENCE TABLE NOTE: This table listes the different components marked with asterisks ( ) in the circuit board diagrams. VCA -SIDE B- SYMBOL TYPE TYPE TYPE Parts SYMBOL TYPE TYPE TYPE Parts SYMBOL TYPE TYPE TYPE Parts...
  • Page 80 LCD CIRCUIT BOARD DIAGRAM IDENTIFICATION OF PARTS LOCATION Symbol Parts Symbol Parts Symbol Parts Location Location Location R5503 C5314 C0731 A-2A R5504 C5319 R5505 C0736 A-3B C5320 R5506 C0737 A-3A C5501 R5508 C0757 A-3A C5502 R5509 C5503 L0731 A-2A R5510 C5504 R5511 L0732...
  • Page 81 IDENTIFICATION OF PARTS LOCATION Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Location Location Location Location Location...

  • Page 82: Block Diagrams

    BLOCK DIAGRAMS 1. OVERALL BLOCK DIAGRAM IC201 VIDEO DSP IC202 CDS/AGC & A/D CONV. IC101 LENS REC Y REC FM REC Y IC1001 PROCESS Y/CHROMA CH-1 CDS/ SIGNAL VIDEO HEAD CONV. CHROMA SENSOR PROCESS REC/PB CHROMA AUDIO VIDEO PROCESS HEAD PULSE CH-2 CHROMA...

  • Page 83: Main Control Block Diagram

    2. MAIN CONTROL BLOCK DIAGRAM IC1301 ZOOM MOTOR/FOCUS IC1105 IC1111 PG1301 MOTOR DRIVE EEPROM D/A CONV. ZD-PWMA CS-EE SDCK ZOOM DATA DRIVE CONT. MOTOR SCLK S DATA CLOCK ZD OEB DRIVE CONT. ZD-PWMB RESET RESET RD-PWMA CS-DAC MCK 2 FOCUS DRIVE CONT.

  • Page 84: Servo Block Diagram

    3. SERVO BLOCK DIAGRAM IC631 CYL. MOTOR DRIVE IC901 SYSTEM CONTROL IC651 CAPST.MOTOR CYL.FG DRIVE SENSOR V.REF PG602 PG603 CAPST FG(CFG) CYL. FG(DFG) 68,75 CYL. CAPST SPEED SPEED SENSOR 16,17 DRIVE IC551(1/2) COIL IC551(1/2) R694-R696, R691-R693, Q561 C694-C696 C691-C693 Q562 MOTOR +B(CYL) +B(CYL)

  • Page 85: Camera & Video Process Block Diagram

    4. CAMERA & VIDEO PROCESS BLOCK DIAGRAM PG1001 PG201 IC201 VIDEO DSP IC101 IC202 VIDEO HEAD REC AUDIO CDS/AGC & IC1001 L211,C234, Q202 A/D CONV. C237 Q204 PG101 SENSOR Q1001 REC Y 2-11 Y/CHROMA PROCESS FILTER CH-1 SIGNAL VIDEO 6-15 PROCESS HEAD L270,...

  • Page 86: Audio -Monaural- Block Diagram

    5. AUDIO -MONAURAL- BLOCK DIAGRAM IC401 AUDIO PROCESS Q471 PG471 :REC SIGNAL MUTE MUTE :PB SIGNAL UNIT Q406 PG301 FADE EXT.MIC TERMINAL Q306 Q304 Q407M PR.CONT VOL. CONT. HOLD E.CONT LIMIT [EXCEPT FOR TYPE 675] V.REF Q475S Q401 MUTE Q405 [EXCEPT FOR TYPE 675] MUTE DEMOD...

  • Page 87: Power Block Diagram

    6. POWER BLOCK DIAGRAM POWER TERMINAL UNIT PG0001 F552 1,3,5 L551 F551 L563 F553 14,16,18 IC902 BATTERY BACK-UP TERMINAL 13,15,17 D905 DET. (1/2) D0001 IC551 (1/2) PG201 PG1001 Q553 SERIAL AV ref RESET SYSTEM PULSE RESET GEN. BATT. Q901 Q551 D552 Vcc1,3 Q902...

  • Page 88: Microprocessor Pin Function Table

    MICROPROCESSOR PIN FUNCTION TABLES Digital Microprocessor (IC1104: D-µP) Active Abbreviation Function Level (Pulse) LD-DSP Activates data communications with IC0201 (VIDEO DSP). (Pulse) CS-DAC Activates data communications with IC1111 (D/A CONV.). ----- ----- ---------- Not used. Open. GYRO-RST Drives Q1402 (GYRO RESET) via Q1401 (INV.) to reset IC1401 (V-MOVE) and IC1402 (H-MOVE).
  • Page 89 Active Abbreviation Function Level 0V-3V KEY2 Not used. 0V-3V KEY1 Operation switch detection input (FADE and D.EFFECTS switche) 0V-3V TEMP-ADJ Temperature change detection input. Detects variations in the forward voltage at the connected diode to correct the back-focus. 0V-3V V-GYRO Receives vertical camera shake correction data from IC1401 (V-MOVE) via IC1403 (GYRO AMP).
  • Page 90 Active Abbreviation Function Level ----- ----- ---------- Not used. Open. NEAR-SW Manual focus switche (FOCUS-N/FOCUS-F) detection inputs. FAR-SW ----- ----- D.L.ON DC light power control output. This outputs "Hi" according to the voltage input to pin 86 or 89, and drive Q0570 and Q0571 to turn the DC light on. ----- ----- SCRN-ON...

  • Page 91: System Control Microprocessor

    System Control Microprocessor (IC901: S-µP) Active Abbreviation Function Level CH2. REC[Lo] Output the signals to select the video heads for recording. CH1. REC[Lo] Go "Lo" in the corresponding channel period during recording. (Pulse) SW30[Lo] Antiphase head switching pulse output. (Pulse) SW30 Head switching pulse output.
  • Page 92 Active Abbreviation Function Level (Pulse) XTAL OUT Drive X0901 to generate 12MHz main clock pulses. 12MHz (Pulse) EXTAL IN 12MHz (Pulse) CS-SYC(CAM) Activates data communications with IC1104 (DIGITAL µP). (Pulse) C-S DATA(CAM) For data communications with IC0201 (VIDEO DSP), IC1105 (EEPROM), IC1104 (Pulse) S-C DATA(CAM) (DIGITAL µP) and IC1111 (D/A CONV.).
  • Page 93 Active Abbreviation Function Level (Pulse) REMOCON Remote operation signal input from the infrared receiver. (Pulse) 32kHz TEX IN Generate 32kHz sub-clock pulses. (Pulse) 32kHz TX OUT ----- ----- Ground. ----- ----- 3V power input. ----- ----- ---------- Not used. Connected to 3V line. ----- ----- ----------...

  • Page 94: Chapter 7 Appendix

    CHAPTER 7 APPENDIX SELF-DIAGNOSTIC FUNCTION 1.1 Overview Fig. 1-1 shows the self-diagnostic coverage range. The camera/recorder has the following self-diagnostic The self-diagnostic functions of the camera/recorder are function. engaged by the system control (S) µP (IC0901) which Occasional defect self-diagnostic function (A mode) Mechanical block self-diagnostic function detects, memorizes and displays data related to defects in the mechanical block control system.

  • Page 95: Details Of Display/Detection And Applications

    1.2 Details of Display/Detection and Applications Table 1-1 summarizes the details of display/detection of Fig. 1-2 shows the operational processes of the self- the self-diagnostic functions and their applications. diagnostic functions. Table 1-1 Details of Display/Detection of Self-Diagnostic Functions and their Applications Occasional defect self-diagnostic Mechanical block self-diagnostic function (A mode)

  • Page 96: Setting Procedure And Details Of Diagnosis

    1.3 Setting Procedure and Details of Diagnosis 1.3.1 Occasional Defect Self-Diagnostic Function (A Mode) (1) Setting Procedure 1) Connect (attach) a power supply (battery). 2) Set the CAM/OFF/VIDEO switch to"VIDEO". 3) Press the DATE button. [Within half a second] 4) Press the DATE and REW buttons simultaneously and hold them for 3-5 seconds.
  • Page 97 1.3.2 Mechanical Block Self-Diagnostic Function (B Mode) Caution: Complete the A mode before engaging the Supply reel disk B mode. Idler plate (1) Setting Procedure Cassette holder 1) Connect (attach) a power supply (battery). switch 2) Press the EJECT switch to set to the eject state. 3) Press the "Hi-8 MP"...
  • Page 98 Table 1-3 Results of B Mode Self-Diagnosis (2/2) Results of diagnosis Part Display Parts/circuits deemed to be defective (Detect display conditions) Trouble The pulse from the take-up reel sensor is Take-up reel disk sensor defective. Trouble sensor (reel sensor) (There is one pulse or less within two Capstan motor seconds.) IC0901...

  • Page 99: Function (Mode B)

    Display time Remarks Start of demo All display off. For approx. 4 s Display of model name ---------- WELCOME display WELCOME TO HITACHI ---------- DIGITAL DEMONSTRATION Introduction of functions HQ D.ZOOM/7-MODE EFFECTS/TBC/ ---------- Varies, depending on the CNR/7-COLOR TITLES/EDGE CLEAN/ model.
  • Page 100 Item Display content, example of display Display time Remarks 7-MODE EFFECTS 16 × 9 picture For approx. 3 s demonstration Negative picture each Half -mirror picture Mosaic picture Art picture Sepia color picture No color (black & white) picture TBC simulation TBC OFF: Electronic zoom operation, For approx.

  • Page 101: Ac Adapter

    CHAPTER 8 AC ADAPTER VM-ACE5A SYMBOL-NO P-NO DESCRIPTION EV10671 CORD, AC FN10261R FUSE 1.6A 8 - 1...
  • Page 102 VM-H675LA TK No. 7101E Digital Media Products Division,Tokai VM-E575LA VM-E573LA Copyright © Hitachi, Ltd. 2001. All rights reserved. Printed in Japan (I) VM-ACE5A...

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