1 Safety Precautions 1.1. General Guidelines 1.3. Leakage Current Hot Check 1. IMPORTANT SAFETY NOTICE (See Figure 1.) There are special components used in this equipment 1. Plug the AC cord directly into the AC outlet. Do not use which are important for safety. These parts are marked by an isolation transformer for this check.
2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
2.3. How to Replace the Lithium Battery 2.3.1. Replacement Procedure 1. Remove the MAIN P.C.B.. (Refer to Disassembly Procedures.) 2. Unsolder the each soldering point of electric lead terminal for Lithium battery (Ref. No. “Z3001” at component side of MAIN P.C.B.) and remove the Lithium battery together with electric lead terminal.
3 Service Navigation 3.1. Introduction This service manual contains technical information, which allow service personnel’s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers. If the circuit is changed or modified, the information will be followed by service manual to be controlled with original service manual. 3.2.
3.4. How to Define the Model Suffix (NTSC or PAL model) There are three kinds of HM-TA20. • a) HM-TA20P/PC • b) HM-TA20EB/EC/EF/EG/EP/GN • c) HM-TA20GC/PU What is the difference is that the “INITIAL SETTING” data which is stored in Flash ROM mounted on Main P.C.B..
5 Location of Controls and Components Internal microphones Power button [ Speaker Hand strap fixture Attach the hand strap to this unit and adjust its length using the stylus pen. Recording button Status indicator LCD monitor (Touch screen) Due to limitations in LCD production technology, there may be some tiny bright or dark spots on the LCD monitor screen.
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RESET 13 14 13 SD card door 14 Card slot 15 Headphone terminal [ ] Use the earphone/headphone with a ● part width φ 11 mm (0.43 ) or smaller. 16 Reset button [RESET] 17 HDMI mini connector 18 HDMI/Headphone cover 19 USB Latch 20 USB terminal [ 21 USB terminal cover...
7 Service Fixture & Tools 7.1. When Replacing the Main P.C.B. After replacing the MAIN P.C.B. or IC121, be sure to achieve update the Firmware and adjustment. 1. The firmware together with version up procedure are available at "software download" on the "Support Information from NWBG/VDBG-AVC"...
8 Disassembly and Assembly Instructions 8.1. Disassembly Flow Chart This is a disassembling chart. When assembling, perform this chart conversely. 8.2. PCB Location...
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8.3.1. Removal of the Battery Fig. D2 Fig. D3 Fig. D1...
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8.3.2. Removal of the LCD Fig. D4 Fig. D5...
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8.3.4. Removal of the USB Cover Unit Fig. D6 8.3.3. Removal of the Rear Case Unit Fig. D8 8.3.5. Removal of the Jack Cover Unit Fig. D9 Fig. D7...
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8.3.6. Removal of the Main P.C.B. 8.3.7. Removal of the USB Unit Fig. D11 Fig. D10...
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8.3.8. Removal of the Mic Holder Unit 8.3.9. Removal of the Battery Holder Unit Fig. D13 Fig. D12...
9 Measurements and Adjustments 9.1. Electric Adjustment • Adjustment method is different from a conventional High definition video camera. • An exclusive jig and PC (including software for adjustment “DSCcal”) are necessary for electric adjustment. • A USB driver for service is necessary to communication with PC. •...
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Note: Remove the Front block of the Lightbox. (Refer to following Fig. for datailes). Adjustment Items • Adjustment item as follows. The adjustment instruction is available at "Software download" on the "Support Information from NWBG/VDBG-AVC" web-site in "TSN System".
12.2. Replacement Parts List Safety Ref. Part No. Part Name & Pcs Remarks Description Safety Ref. Part No. Part Name & Pcs Remarks VU4112140708 SCREW Description VU4112140708 SCREW VU6361506076 FRONT CASE UNIT (-D) VU4112207708 SCREW VU6361511384 FRONT CASE UNIT (-A) VU4112207708 SCREW VU6361506106 USB COVER UNIT VU4112207807 SCREW...
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Safety Ref. Part No. Part Name & Pcs Remarks Description VFC4709 TRIPOD VQL2M76 BUTTON LABEL VU6361544399 MAINTENANCE KIT...