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KV-EF34N90
RM-913
20. Select "TWIN PICTURE" mode. (MID)
21. Receive different RF PAL white signals in MAIN and SUB
picture.
22. Adjust RV5301 on B board so that the level at pin
2
(BLUE)
of CN705 on C board becomes within spec.
23. Receive RF NTSC colorbar signal in MAIN picture and
VIDEO1 NTSC colorbar signal in SUB picture.
24. Adjust SVP2 (Service mode) "SHU (VIDEO)" so that the level
at pin
3
(BLUE) of CN705 on C board becomes within spec.
25. Write into the memory by pressing MUTING then "0".
26. Write SJA 3 (Service mode) "SCL (PAL)" +4 steps to SJA 3
(Service mode) "SCL (PAL)".
Write SJA 3 (Service mode) "SCL (NTSC)" +3 steps to SJA 3
(Service mode) "SCL (NTSC)".
Write SJA 1 (Service mode) "SHU (VIDEO)" +3 steps to SJA
1 (Service mode) "SHU (VIDEO)".
Write SJA 1 (Service mode) "SHU (VIDEO)" -5 steps to SJA 1
(Service mode) "SHU (TV)".
Write SVP 2 (Service mode) "SHU (VIDEO)" +3 steps to SVP
2 (Service mode) "SHU (VIDEO)".
Write SVP2 (Service mode) "SHU (VIDEO)" -2 steps to SVP
2 (Service mode) "SHU (TV)".
27. Reset to VP 7 (Service mode) "DYC" = 1
4-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT (SCL)
1. Set to service mode.
2. Input RF PAL colorbar signal.
Set A/V control to PERSONAL.
3. Set to VP7 (Service mode) "DYC" = 0
4. Set the following condition.
Picture to 100%, Color to 0% and Bright to 0%.
5. Connect an oscilloscope to the pin
3
(BLUE) of CN705, C
board.
6. Using the
1
and
4
buttons select SAJ 3 (Service mode)
"SCL".
7. Using the
3
and
6
buttons on the Remote Commander to
adjust to VB2 = VB3 = VB4 with
3
and
6
.
8. Write into the memory by pressing "MUTING" then "0".
9. Input NTSC colorbar signal to VIDEO1 and select VIDEO1
input.
10. Adjust as step 4. and 8. by receving NTSC colorbar.
11. Reset to VP 7 (Service mode) "DYC" = 1.
SUB HUE ADJUSTMENT (SHU)
12. Set to service mode.
13. Input NTSC colorbar signal to VIDEO1 and select VIDEO1
input.
14. Set to VP 7 (Service mode) "DYC" = 0
15. Connect an oscilloscope to the pin
3
(BLUE) of CN705, C
board.
16. Using the
1
and
4
buttons select SAJ 1 (Service mode) "SHU
(VIDEO)".
17. Using the
3
and
6
buttons on the Remote Commander to
adjust to VB2 = VB3 = VB4 with
3
and
6
.
18. Write into the memory by pressing MUTING then
-
.
19. Reset to VP 7 (Service mode) "DYC" = 1.
VB1 VB2 VB3 VB4
same level
PAL :
VB2 = VB3 = VB4
(Difference is within 70mV)
NTSC :
VB1 = VB4
(Difference is within 70mV)
110mV
VB3
VB2
VB1
VB4
The highest level of VB1,VB2,VB4
will be aligned at the same line.
The ideal different level between VB2 and
VB3 is within ±110mV.
±20mV
110mV