Hitachi VM-8480LE Service Manual page 14

3.1 LCD BOTTOM CASE. LCD CIRCUIT BOARD, BACK LIGHT, LCD PANEL Trademark
@ COMPONENTS TO REMOVE IN ADVANCE
@ LCD CIRCUIT BOARD
MS-DOS is a registered trademark of Microsoft Corporation.
» LCD Block
:
P
e
(Item No.: 1.2) 2) Disconnect 2 flat cables (2) on the LCD circuit board. ae 1. CAMERA SECTION ADJUSTMANTS F : j
Nisice
;
3)
Remove 1 screw (3) holding the LCD circuit board.
7
3)
Connect this unit, a power supply and a color video
ote: Be careful that the LCD screen is not damaged or
Abbreviation
monitor as shown in Fig. 3-2.
smudged. (If dirt adheres to it, use a soft cloth to
@ BACK LIGHT, LCD PANEL
MAP: Digital adjustment program for the camera.
4) When using the video out (AV OUT) to perform
i p e i t o f f .
:
DSP: Digital s i
adjustment, be sure to terminate the AV OUT jack
wipe it off.)
4) Remove the LCD panel in the direction of the arrow.
oe tad with 75 ohms
/
@ LCD BOTTOM CASE
1) Remove 2 screws (1) holding the LCD bottom case.
LOD CIRCUIT
BOARD
LCD BOTTOM
(Gi
ea
1.1. CIRCUIT BOARD LOCATION
SPC (Sensor/Process) Circuit Board
. TSS (Supply Sensor) Circuit Board
. ERS (Take-up Sensor) Circuit Board
. SWS (Main) Circuit Board
. LOD(LCD DRIVE) Circuit Board aRen =
Fig. 3-1
ADJUSTMENT
Test Equipment
Oscilloscope (dual trace)
Vectorscope]
Digital Voltmeter (DVM)
Color Video Monitor
digs, ete.
Adjustment Floppy Disk
Personal Computer
DSP-R Jig
3P Extension Cable
Light Box (3100° K)
Light Balancing Filter C12
8) When "Trigger the oscilloscope internally" is
specified, set the time base of the oscilloscope to
4Ops/div.
AND CONTROLS DURING
ADJUSTMENT
CAM/OFF/VIDEO switch
+ "CAM" position
DISPLAY «+
Not Display mode
DATE/TIME ::
+» Not Display mode
TITLE
+ Not Display mode
BACKFOCUS
ADJUSTMENT
CHART