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Item
PALAPC
Adjustment
PAL chroma
Synchronous
ad~ustment
Test equipment
Signal generator
(PAL color bar)
Oscillo-scope
Signal generator
(PAL full color bar)
Test points
TP-CR : S4®pin
TP-CB : S4@pin
[INPUT PWB]
+
SCREEN
+
Adjustment
locations
APCSW
SUB COLORVR
LISSAJOUS 1 TR.
DL AMPVR
[INPUT PWB]
APCSW
4.43 APC TRIM.
[INPUT PWB]
No.51702
TM-1650SDU
Adjustment procedure
•
Low light white balance adjustment have been
correct finished.
1. Input the PAL color bar signal.
2. Connect the oscillo-scope probe to the TP-CR
and TP-CB, and switch the sweep mode of the
osciro-scope to the X-Y display.
3. Turn the APC SW to "Adjust" side from
"Normal" side to cancel the color synchronous
mode.
4. Adjust the SUB COLOR VR to the wave form of
the lissajous not to close by each other.
5. Then alternately
adjust the
LISSAJOUS
1
TRANSF and DL AMP VR, so that to be 3
straight lines from 6 ovals.
6. Release the APC SW to the "Normal" side.
•
PAL color lissajous adjustment
have been
finished.
1. Input the PAL full color bar .
2. Turn the APC SW to "Adjust" side from
"Normal" side to cancel the color synchronous
mode.
3. Adjust the 4.43 APC TRIMER to disappear the
color stripe on the screen.
4. Turn the APC SW to "Normal" side .
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