H/V Center Confirmation And Adjustments; Iris Adjustments - Sony KF-E42A10 Service Manual

2-7. H/V CENTER CONFIRMATION AND
ADJUSTMENTS
Use the following instructions to adjust the pictures horizontal and
vertical center after replacing either of the following:
Optical Block Assembly
Mirror Cover
1. Using a 480i monoscope, check the H/V center in "Full" picture mode.
2. If the center is shifted, adjust the Horizontal and/or Vertical settings.
a. Access Service Adjustment Mode.
b. Press JUMP until the BE Micro service menu displays.
c. Press 2 until the PANL category displays.
d. To adjust the Horizontal setting, press 1 until the ODHS
(Item # 07) item displays.
e. Press 3 to increase the data value, or 6 to decrease the data
value.
f. To adjust the Vertical setting, press 1 to display the ODVS
(Item # 08) item.
g. Press 3 to increase the data value, or 6 to decrease the data
value.
h. To save the changes, press MUTING then ENT to write into
memory.
i. To exit service mode, turn the power off by pressing POWER .
Wait 2 minutes before restarting the set to allow the fans to
completely shut down or the Service Menu will appear on the
screen.
BE MICRO
PANL Category
K
ODHS
KF-E42A10/E50A10
ODHS 07 (for H center)
ODVS 08 (for V center)
ODVS

2-8. IRIS ADJUSTMENTS

Use the following instructions to adjust the IRIS after replacing
either of the following:
Optical Block Assembly
B Block Assembly
1. Access Service Adjustment Mode.
2. Press JUMP until the BE Micro displays.
3. Press 2 until the DBL_CTRL_AC category displays.
4. Press 1 to display the following service data items in NVM on the
C Board and note the values.
ITEM ITEM #
BL_U_TOP 00
BL_U_BOTTOM 01
BL_MAX 02
BL_MIN 03
IRIS_GAIN 04
HALL_GAIN 05
Using the information obtained from the DBL_CTRL _AC category,
adjust the data values of the same adjustment items for the DBL_CTRL
category.
5. Press 2 until the DBL_CTRL category displays.
6. Press 1 to display the items listed below, then press 3 to increase
the data value or 6 to decrease the data value to coincide with the
data values of the items in the DBL_CTRL_AC category.
ITEM ITEM #
BL_U_TOP 00
BL_U_BOTTOM 01
BL_MAX 08
BL_MIN 09
IRIS_GAIN 0A
HALL_GAIN 0D
7. To save the changes, press MUTING then ENT to write into
memory.
8. To exit service mode, turn the power off by pressing POWER .
Wait 2 minutes before restarting the set to allow the fans to
completely shut down or the Service Menu will appear on the screen.
KF-E42A10/E50A10
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