Sony RM-916, Service Manual

Page: 60 / 138

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KV-ES29M90
RM-916
5-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
When replacing IC003 and IC004 (MEMORY), be sure to change
IC001 (µ-COM) to the following new IC at the same time.
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 (
[MUTING]
+
-
).
4. Select item numbers “OPB0” (OP1), “OPB1” (OP2) 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.)
KV-ES29M90 CXP750096-012Q
MODEL IC001 (µ-CON)
11. Write into the memory by pressing
[MUTING]
then
-
.
FOR DRC 100 MODE
12. Set to DRC 100 mode.
13. Repeat Step 5, Step 6 and Step 7.
14. Write “DAC 00 HCT DRC 100 Mode” as “DAC 00 HCT DRC
1250 Mode”.
Write “DAC 01 HLN DRC 100 Mode” as “DAC 01 HLN DRC
1250 Mode”.
FOR PIP MODE
15. Set to PIP mode.
16. Repeat Step 5 and Step 6.
17. Write into the memory by pressing
[MUTING]
then
-
.
FOR TWIN MODE
18. Set to TWIN Mode.
19. Using the
1
and
4
buttons select category GEO (Service
Mode).
20. Select and adjust the following items to obtain optimum image.
Raise/lower the data with the
3
and
6
buttons.
1 01 VPS V POSITION
2 05 HPS H POSITION
3 06 PAP PIN AMP
4 09 TRZ TRAPEZIUM
21. Write into the memory by pressing
[MUTING]
then
-
.
FOR INDEX M0DE
22. Set to Index Mode.
23. Repeat Step 5 and Step 6.
24. Write into the memory by pressing
[MUTING]
then
-
.
FOR WIDE MODE
25. Set to WIDE Mode.
26. Using the
1
and
4
buttons select category GEO (Service
Mode).
27. Select and adjust the following items to obtain optimum image.
Raise/lower the data with the
3
and
6
buttons.
1 00 VSZ V SIZE
2 01 VPS V POSITION
3 05 HPS H POSITION
4 06 PAP PIN AMP
5 09 TRZ TRAPEZIUM
28. Input a NTSC cross hatch/dot signal and repeat all above steps.