Digital Convergence Adjustment - Hitachi C43-FD5000 Service Manual

SERVICE ADJUSTMENTS
Checking points for horizontal direction:
3
Checking points for vertical direction:
6
Static focus VR for green is VR on Focus pack (UFPK).

2.14 DIGITAL CONVERGENCE ADJUSTMENT

Preparation for Check
(1) Place the set facing east or west.
(2) Pre-heat 20 minutes or more before the adjustment.
(3) The horizontal/vertical amplitude should have been adjusted.
How to adjust by using remote controller
(1) Receive any PAL signal. (RF or VIDEO)
(2) Turn the set on and set it in PAL 100i mode.
(3) Push the "SERVICE ONLY" switch on the
CONVERGENCE/FOCUS P.W.B. to set digital convergence
unit to the adjustment mode.
* Adjustment Point Marker ON/OFF
This function can improve view of adjustment point at CONVERGENCE adjustment mode.
a) Press Service Switch on Def/Conv. PWB to set to
CONVERGENCE adjustment mode, then display
Normal Crosshatch with "Adjustment Point
marker". (Fig.1)
b) Press [TV/TEXT] key on R/C, then display only
Normal Crosshatch, without "Adjustment Point
Marker". (Fig.2)
Adjustment Point is indicated as broken line
crossing.
c) Press [TV/TEXT] key on R/C again, then display
Normal Crosshatch
Marker" again. (Fig.1)
And repeat procedure b) ~ c) by each press
[TV/TEXT] key on R/C.
(4) Phase Adjustment
See item "DCU PHASE DATA SETTING".
9
12
with "Adjustment
9
Point
(4) Phase Adjustment
See page 43, 27. DCU PHASE
25
12
3
C
6
Adjustment point
Adjustment mode
Adjustment Point Marker
Fig.1
Maker is NOT displayed
Fig.2