5-6. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 0B
02 HSH(H POSITION)
03 HSZ (H SIZE)
06 PAP (PIN AMP)
07 PPH(PIN PHASE)
01 VSZ(V SIZE)
05 VLN(V LINEARITY)
00 VSH(V POSITION)
04 SCR(VERTICAL Scorrection)
0A VBOW(AFC.BOW)
0B VAG(AFC.ANGLE)
08 UCP(Upper Corner Pin)
09 LCP(Lower Corner Pin)
SUB HUE ADJUSTMENT (SHU)
1. select Video1
2. Input a NTSC color-bar, video into video1.
3. Connect an oscilloscope to the pin
4
(B OUT) of CN117, A
board.
4. Select 34 (SHU) with
1
and
4
of the commandar by setting
to Service Mode and adjust to VB1=VB2=VB3=VB4 with
3
and
6
.
5. Press MUTING
→
0
of the commander to write the data.
6. Set to WIDE Mode by MENU button to write the same value
as in step 3.
PIP POSITION (POH, POV)
1. Receive a PAL color-bar.
2. Set the PIP picture by pressing PIP button of the commander.
3. Set to Service Mode.
4. Select 5A (POH) with the
1
and
4
of the commander to set
the data "14" with
3
and
6
.
5. Select 5B (POV) to set the data "27"
6. Press MUTING
→
0
of the commander to write the data.
7. Check by changing using menu .
black
white
SUB COLOR ADJUSTMENT (SCO)
1. select Video1
2. Input a PAL color-bar, video into video1.
Set to the following condition:
PIC 100%, BRT 50%, COL 50%
3. Connect an oscilloscope to the pin
5
(B OUT) of CN117, A
board.
4. Set to Service Mode and select 33 (SCO) with
1
and
4
of
the commander to adjust to VB2=VB3=VB4 with
3
and
6
.
5. Press MUTING
→
0
of the commander to write the data.
6. Adjust 33 (SCO) as step 1~4.
7. Receive the NTSC color-bar and adjust as step 6.
VB1 VB2 VB3 VB4
VB2 = VB3 = VB4
VB1 VB2 VB3 VB4
VB2 = VB3 = VB4
2.45
±
0.05 Vp-p
5-3. PICTURE QUALITY ADJUSTMENTS
Item Number 33-36
33 SCO
Sub-Color
34 SHU
Sub-Hue
35 SBR
Sub-Bright
5-4. A BOARD ADJUSTMENT
SUB CONTRAST ADJUSTMENT (SCN)
1. Receive a PAL color-bar.
2. Set service item 3E GON and 3F BON to data "00". Set the
PICTURE 100%, BRIGHT 50% and COLOR MIN.
3. Connect an oscilloscope to the pin
6
(R OUT) of CN117, A
board.
4. Set to Service Mode and select 32 (SCN) using
1
and
4
of
the commander to adjust to 2.10
±
0.05V.
5. Press MUTING
→
0
of the commander to write the data.
6. Receive a NTSC color-bar and adjust 32 (SCN) as step 2~5.
7. Set servce item 3E GON and 3F Bon to data "01".
5-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
When replacing IC003(MEMORY) be sure to change IC001(
µ
-COM)
to the following new IC at the same time.
IC001 (
µ
-COM)
•
GE, EM, E, HK model
CXP85340A-072S to CXP85340A-099S (8-752-880-11)
•
ME (Arabic) model
CXP85340A-084S to CXP85340A-098S (8-752-879-23)
1. Enter to Service Mode.
2. Press commander buttons
5
and
0
(Data Initialize), and
2
and
0
(Data Copy) to initialize the data.
3. Call each item number, and check if the respective screen shows
the normal picture.
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number ( MUTING +
0
).
4. Select item numbers “95” (OP0) and “96” (OP1) and
respectively set the bit per model with command buttons
3
and
6
.
5. Press commander buttons
8
and
0
(Test Normal) to return to
the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 28 –
–27–
