日立vm-h675la/VM-E575LA/VM-573LA摄像机维修手册：UH机制详解
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更新于2024-07-21
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本篇文档是日立HITACHI vm-h675la/VM-E575LA/VM-573LA系列8毫米数字录像机的维修服务手册。它提供了一系列重要的维修和服务指导，强调规格和部件可能会根据技术改进而变化，反映了日立公司对产品持续优化的态度。
维修服务手册首先指出，该摄像机采用了UH（Ultra High Mechanism）机制，这是其核心组件，对于机械和电路部分的维护至关重要。当维修UH机制时，维修人员应参考相关的服务手册，包括：
1. UHMechanism拆解 (No.6811E)：这部分提供了详细的操作步骤和注意事项，帮助技术人员理解如何安全、有序地拆卸UH机制，以便进行故障诊断和部件更换。
2. UH机械补充 (No.6811E-1)：涉及机械调整的说明，可能涉及到镜头、聚焦、快门等关键部件的微调，确保设备性能稳定。
3. UH机制维护与检查 (No.6811E)：介绍了定期保养和故障预防的方法，如清洁、润滑、磨损检测等，以延长设备寿命。
4. 爆炸视图 (Chapter 4)：在本手册的第四章中，提供了一组详细解剖图，展示了内部结构，有助于维修人员理解各部件之间的连接和工作关系。
5. AC Adapter VM-ACE5A：还提到了配套的电源适配器的注意事项，强调了电气部件的安全特性。手册特别指出，许多电子和机械部件具有特殊的安全特征，比如高电压或功率限制，更换这些部件时，必须使用原厂或认证的替换件，以确保安全并保持原设计性能。
维修服务手册的这部分内容强调了维修过程中的专业性和安全性，提醒技术人员在操作时要遵循严格的标准和规定，防止因误操作导致潜在的风险。在整个维修过程中，遵循手册提供的指南是确保摄像机正常运行和用户安全的关键。同时，这也是制造商为了保证产品质量和客户满意度所做出的重要支持。
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E23VM-H675LA/VM-E575LA/VM-E573LA
Items Selectable with Menu Displays
The items that can be selected depend on the position of power switch.
Note: The VM-H675LA menu displays are used for the following explanation. Some items do not appear,
depending on the model.
Menu selectable in the CAM mode
When the MENU button is pressed, the following menu display will appear:
M
ENU
EIS
W
H I TE BAL . AUTO
D.ZOO
M
X100
TAPE+ OFF
ATRS OFF
DISPLAY LCD
DE
M
O.
<>
END
AU TO
OFF
M
ENU
To correct camera shake (p44).
To lock the white balance
(p43).
To record in optimum status
to match tape being used
(p25) (only for VM-H675LA).
To turn the on-screen display
on or off (p24).
To select the demonstration
mode (p24).
To select the digital zoom
mode (p36).
To upgrade normal tape
(p25) (only for VM-H675LA).
Menu selectable in the VIDEO mode
Pressing the MENU button will display the following:
M
ENU
TBC
PAL CONV . OFF
DISPLAY LCD
<>
END
ON
M
ENU
To ensure playback of
stable pictures (p55).
To view tape playback by
connecting the camcorder
to a PAL TV (p54).
To turn the on-screen display
on or off (p24).
How to select items and set them
PLAY
STOP
REW FF
To select an item whose
mode you wish to change.
Press PLAY to move the
cursor up.
To select the mode of the
item you have chosen.
To select an item whose
mode you wish to change.
Press STOP to move the
cursor down.
1
Press the MENU button.
2
Press the PLAY or STOP button to select the
desired item.
3
Use the FF or REW button to select the desired
mode.
4
Press the MENU button again to determine the
mode.
E26 HITACHI
Setting the Date and Time
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
the current date and time.
Note: Be sure to insert the clock battery before setting the date and time. Although the date and time
can be set without the clock battery inserted, they will disappear when the battery providing power to
the camcorder is removed.
1
Load the battery. (“Camcorder Power Sources”,
p20.)
2
Press the small button on the CAM/OFF/
VIDEO switch as you slide it to CAM.
3
Open the LCD monitor, and
then press the DATE button.
The date and time should
appear in the lower right
with the “1” flashing.
4
Pressing the PLAY button
gives you higher numbers
while the STOP button gives
you lower numbers. Select
the right month and press FF
button. Use the PLAY, STOP
and FF buttons to select the proper day, year,
hour, minute, and AM or
PM.
5
After setting the AM/PM,
press the DATE button. The
display changes and the
internal clock starts.
Note: After the date and
time are set, the camcorder enters the date
recording mode. See “Date Recording” on
page 35.
Correcting the Date and Time
1
Hold down the DATE button for at least 3 sec-
onds: The flashing cursor will appear at the
month.
2
Move to where you need to make the correction
with the FF button and use the PLAY and STOP
to correct.
3
Press the DATE button to set the corrected date
and time.
DATE Button
Date and Time Select Button
PLAY
STOP
REW FF
SELECT
000211
00:2
1
A
M
5111
00:21
A
M
0002
0102511
30:6
A
M
1
Make sure that the current time is displayed correctly before you start filming.
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