Magic Focus Character Set Up - Hitachi 51F710 Service Manual

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2.11.1 MAGIC FOCUS Character Set-Up
This instruction should be applied when a new DCU
is being replaced.
Adjustment Preparation
(1) Receive NTSC RF or video signal.
(2) With Power off, PRESS and HOLD the SERVICE
ONLY button on DEF./CONV. PWB, then press the
Power On/Off, when picture appears release
SERVICE ONLY switch (Internal crosshatch is
displayed without conv. correction data).
(3) Set R/C to DCAM mode (refer to page 47).
(4) Press the DAY/NIGHT button 2 times for ROM READ
operation.
Picture will appear with convergence
correction data.
Adjustment Procedure
(1) Press
key on R/C. (One additional line appears
near the top and near the bottom.)
(2) Press
key, then ADJ. PARAMETER mode is
displayed as following.
ADJ. PARAMETER
ADJ. DISP.:
0F
DEMO WAIT: 1F
GUIDE
INT. START:
13
GUIDE
V. SQUEEZE: 10
(3) Press CURSOR PAD
or
to change the ADJ.
DISP. data.
(4) Press CURSOR PAD
to access DCU parameter.
Change the data as shown on Table 1, DCU
Parameter.
(5) Press Aspect key 2 times to write changed data into
EEPROM. (First press ADJ. PARAMETER/ROM
C.C.
WRITE? is displayed for alarm. 2nd press, writes
C.C.
data into EEPROM.
Green dots appear after
completion of operation.)
(6) Press MUTE/VOLUME key 3 times to exit from ADJ.
PARAMETER mode.
DP45
TABLE 1. - DCU PARAMETER
Parameter
Normal
ADJ. DISP
0F
DEMO WAIT
1F
INT. START
13
V. SQUEEZE
10
INT STEP 1
02
INT STEP 2
06
INT BAR
2D
INT DELAY
01
MGF STEP 1
50
MGF STEP 2
06
MGF BAR
1B
MGF DELAY
01
SEL. STAT.
00
LINE WID
7F
ADD LINE
09
SENSOR CK
00
PORT 0
07
PORT 1
06
PORT 2
05
PORT 3
04
PORT 4
03
PORT 5
02
PORT 6
01
PORT 7
00
AD LEVEL
03
CENT. BAL
01
E. DISPLAY
00
ADJ. TIMS
60
AD LEVEL
05
AD NOISE
0A
OVER. LF-H
01
OVER. LF-V
00
OVER. RI-H
00
OVER. RI-V
00
PHASE MOT
60
H. BLK-RV
0A
H. BLK-GV
03
H. BLK-BV
09
H. BLK-H
20
PON DELAY
0F
IR-CODE
00
INITIAL 50
9E
MGF 50
96
CENTER 50
FE
STAT 50
FE
DYNA 50
9F
Page 12

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