Picture Quality Adjustments; Sub Color Adjustment; Sub Hue Adjustment; Bell Filter Adjustment - Sony KV-XS29M31 Service Manual

KV-XS29M31/33/50/60/63/65/93
KV-XS29M39/69/87/89
RM-953

4-3. PICTURE QUALITY ADJUSTMENTS

SUB COLOR ADJUSTMENT

1. Input a PAL color-bar.
2. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
3. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
4. Set to Service Mode and select SAJ 3 'SCL' with 1 and 4 of
the commander then adjust to VB2=VB3=VB4 with 3 and
6.
¡ - of the commander to write the data.
[MUTING]
5. Press
6. Adjust SAJ 3 'SCL' as step 2 to 5 when receiving NTSC color-
bar.

SUB HUE ADJUSTMENT

1. Select Video 1.
2. Input a NTSC color-bar, video into Video 1.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
5. Select SAJ 1 'SHU' with 1 and 4 of the commander by set-
ting to Service Mode and adjust to VB1=VB2=VB3=VB4 with
3 and 6.
¡ - of the commander to write the data.
[MUTING]
6. Press
http://cxema.ru
RM-954
VB1 VB2 VB3 VB4
VB2 = VB3 = VB4
VB1 VB2 VB3 VB4
VB1 = VB2 = VB3 = VB4

BELL FILTER ADJUSTMENT

1. Input SECAM color-bar signal.
2. Connect the dual-trace oscilloscope to CN303 pin 9
(not mounted).
3. Adjust SERVICE MODE, ITEMS 'SBF' as shown below.
4-4. DISPLAY POSITION ADJUSTMENT
PIP POSITION (KV-XS29M39/69/87/89 only)
1. Input a PAL color-bar.
2. Press PIP button of the remote commander to set the PIP picture.
3. Set to Service Mode.
4. Use 1 and 4 of the commander to select PIP 1 "PIP" and
use 3 and 6 to set data "14".
5. Select PIP 2 "PPV" to set data "27".
¡ - of the remote commander to write the
[MUTING]
6. Press
data.
7. Use the screen display menu changinh the PIP position to check
the PIP position.
4-5. 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-CON):
CXP750097-011S
1. Enter to Service Mode.
2. Press commander buttons 5 and - (Data Initialize), and 2
and - (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 (
4. Select item numbers "OPB0" (OP1), "OPB1" (OP2) and
"OPB2" (OP3) and respectively set the bit per model with
command buttons 3 and 6.
5. Press commander buttons 8 and - (Test Normal) to return
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 64 –
[MUTING]
+-).