Hitachi VM-ACV23E Video camera
Manufacturer:
Model:
VM-ACV23E
Date:
1997
Category:
Group:
Description:
VIDEO CAMERA/RECORDER
Service Manual
Manual type:
Service Manual
Pages:
104
Size:
9.05 Mbytes (9489573 Bytes)
Language:
english
Revision:
Manual ID:
6703E
Date:
1997 11 01
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2017 04 16
MD5:
994318d16b1bbc72ad5f54c6819cbf4c
Downloads:
1158

Information

GENERAL INFORMATION SPECIFICATIONS ... • E1-1 COMPARISON WITH PREVIOUS MODEL ... • E1-2 COMPARISON OF MAIN CONTROL ICs ... • E1-3 JIGS AND TAPES FOR ADJUSTMENT ... ■ E1-4 DIAGRAMS TO BE REFERRED TO DURING DISASSEMBLY, REINSTALLATION AND ADJUSTMENT ... ■ E1-5 SERVICE MANUAL ABBREVIATION LIS T ... ■ E1-7 LEADLESS (CHIP) COMPONENT IDENTIFICATION ... ■ E1-9 EXTRACT FROM THE INSTRUCTION MANUAL ... • E1-14 CHAPTER 2_________ DISASSEMBLY 1. CASES AND CIRCUIT BOARDS ... ■ E2-1 1.1 LENS HOOD, CASSETTE LID, EVF BLOCK ... • E2-1 1.2 AV JACK COVER, POWER SWITCH KNOB ... ■ E2-2 1.3 CAMERA BLOCK, TRIPOD MOUNT, VCR BLOCK, RIGHT CASE ... ■ E2-3 1.4 HANDLE, ZOOM SWITCH, HAND STRAP ■■.. E2-4 1.5 SWS CIRCUIT BOARD, TAPE TRANSPORT MECHANISM ... • E2-5 1.6 CON CIRCUIT BOARD, HOOD HOLDER, LENS BLOCK, CCD IMAGE SESNOR, SPC CIRCUIT BOARD ... • E2-6 2. ELECTRONIC VIEWFINDER (EVF) BLOCK ... E2-7 2.1 EVF HOLDER, CABLE GUIDE, CABLE HOLDER ... E2-7 2.2 LIGHT COVER, EVF TOP CASE, EVF NECK BLOCK, MIC, LIGHT TERMINAL, EVF CIRCUIT BOARD, EVF BOTTOM CASE ... E2-8 2.3 EYE CUP, NECK TOP CASE, NECK BOTTOM CASE, MIRRER, EVF LENS, CRT FRAME, C R T ... E2-9 CHAPTER 3 ELECTRICAL ADJUSTMENT 1. CAMERA SECTION ADJUSTMENT ... E3-1 1.1 CIRCUIT BOARD LOCATION ... E3-1 1.2 TEST EQUIPMENT NECESSARY FOR ADJUSTMENT ... E3-1 1.3 ADJUSTMENT CONDITION ... E3-1 1.4 PRESET POSITIONS OF SWITCHES AND CONTROLS DURING ADJUSTMENT ... E3-1 1.5 LIST OF CHARTS FOR CAMERA ADJUSTMENT ... E3-1 1.6 CONNECTION FOR ADJUSTMENT ... E3-2 1.7 ADJUSTMENTS AFTER REPLACING MAJOR Components IN THE CAMERA ■■ E3-2 1.8 ADJUSTMENT PROCEDURE ... E3-3 2. VCR SECTION ADJUSTMENT ... E3-15 2.1 CIRCUIT BOARD LACATION ... E3-15 2.2 TEST EQUIPMENT NECESSARY FOR ADJUSTMENT ... E3-15 2.3 ADJUSTMENT CONDITION ... E3-15 2.4 PRESET POSITIONS OF SWITCHES AND CONTROLS DURING ADJUSTMENT ... E3-15 2.5 CONNECTION FOR ADJUSTMENT ... E3-15 2.6 ADJUSTMENT Components LOCATIONS ... E3-16 2.7 ADJUSTMENT PROCEDURE ... E3-16 3. ERROR MESSAGES ... E3-18 3.1 ERROR MESSAGES IN CAMERA ELECTRIC VALUE AND DIGITAL ADJUSTMENTS ... E3-18 3.2 ERROR MESSAGES IN AUTOFOCUS ADJUSTMENT ... E3-18 3.3 ERROR MESSAGES IN SPOT NOISE ADJUSTMENT ... E3-19 4. TROUBLE SHOOTING OF AUTOFOCUS ... E3-20 CHAPTER 4________ EXPLODED VIEWS 1. CABINET SECTION (1 ) ... 4-1 2. CABINET SECTION (2 ) ... 4-2 3. CHASSIS (TOP VIEW) SECTION ... 4-3 4. CHASSIS (BOTTOM VIEW) SECTION ... ... 4-4 5. ELECTRONIC VIEWFINDER (EVF) SECTION - 4-5 6. CAMERA SECTION ... 4-6 7. ACCESSORIES ... 4-6 CHAPTER 5 REPLACEMENT PARTS LIST 1. MECHANICAL PARTS LIST ... 5-1 2. ELECTRICAL PARTS L IS T ... 5-3 SHCEMATIC AND CIRCUIT BOARD CHAPTER 6 DIAGRAMS/MICROPROCESSOR _____________ PIN FUNCTION TABLE____________ INTERNAL WORING DIAGRAMS ... 6-1 SCHEMATIC/CIRCUIT SENSOR [SPC] ... ... 6-1 /DIGITAL PROCESS [SPC ] ... ... 6-5 /PROCESS [SPC] ... ... 6-7 /ZOOM SWITCH ... ... 6-7 /CONTROL [CON] ... ... 6-7 /AUTO FOCUS [SPC] ... ... 6-9 /ELECTRONIC VIEWFINDER [EVF] ... ... 6-11 /TROUBLE SENSOR [SWS] ... ... 6-14 /MAIN CONTROL [SW S] ... ... 6-15/MOTOR DRIVE [SWS] ... ... 6-18/CYLINDER MOTOR ... ... 6-18/CAPSTAN MOTOR ... ... 6-18 /SWITCHING REGULATOR [SWS] ... ... 6-19 /PRE AMP [SWS] ... ... 6-22 /LUMA/CHROMA, AUDIO [SWS] ... ... 6-23 /BOARD 6-25 6-25 6-25 -- 6-35 6-25 6-35 6-29 6-29 6-29 -- -- 6-29 6-29 6-29 WAVEFORMS SENSOR/PROCESS ... 6-4 ELECTRONIC VIEWFINDER ... 6-11 SERVO ... 6-17 LUMA/CHROMA ... 6-21 BLOCK DIAGRAMS 1. OVERALL ... 6-37 2. CAMERA ... 6-39 3. POWER ... 6-41 4. SYSTEM CONTROL ... 6-43 5. SERVO ... 6-45 6. VIDEO ... 6-47 7. AUDIO ... 6-49 MICROPROCESSOR PIN FUNCTION TABLE 1. DIGITAL MICROPROCESSOR (IC1106: D-pP) ... 6-50 2. MAIN CONTROL MICROPROCESSOR (IC901: MAIN-ijP ) ... 6-53

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