Check After Replacing Major Components In The Camera Section; Adjustment Procedure; Connections For Adjustment - Hitachi VM-H675LA Service Manual

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" then perform all the camera section and system control/servo circuits adjustments.
ITEM
No. NAME OF ADJUSTMENT
INITIAL SETTING BY MODEL
DIGITAL ADJUSTMENT PROCEDURE
(1) Auto Iris Control Adjustment
(2) White Balance Adjustment
(3) Chroma Gain Adjustment
AUTOFOCUS ADJUSTMENT PROCEDURE
(1) Zoom Trace Adjustment
(2) AF Noise Level Adjustment
STABILIZER ADJUSTMENT
PROCEDURE
[Except for VM-E578
LE(AU)/E578LE(SW)]
SPOT NOISE ADJUSTMENT
PROCEDURE

2.6 Adjustment Procedure

Notes: 1. To complete adjustment, press the [ESC]
(escape) key twice to restore the MS-DOS
screen and then turn off the camera/recorder
and jig.
2. The following describes an example of the
instructions of the personal computer and the
menu display; they are different depending on
the personal computer manufacturer and model.
Refer to the instruction manual of personal
computer.
3. When the error message appears during
adjustment, refer to "4. Error Message".
If a key is pressed after an error message
appears, the ADJUSTMENT MENU is restored.
Table 2-2
NAME OF MAJOR COMPONENTS
SE VCA IC1001 IC1104 IC1105 IC1201 IC1401 Lens
Circuit Circuit
Board Board

2.6.1 Connections for Adjustment

Connect the camera/recorder, DSP jig, personal computer,
power supply, etc. as shown in Fig. 1-1.
Check that the camera/recorder is turned on.
IC1402 Block
IC1403
3 - 3