Sony TRINITRON KV-A2121D Service Manual page 25

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peace ean
(RV301 and L303)
of the waveform at pin @ are at the 0 level.
poet the cecilloseope Ke pin @ of mei
~_ © he
4.
Adjust L303 until the white and black sections of
©
the waveform at pin @ are at the 0 level.
RV502
H.PHASE ADJ
D BOARD (COMPONENT SIDE)
ae
+B ADJUSTMENT (RV501
{
1.
Connect the digital multimeter to TP91.
(white part)
(black. part)
(white and black levels
a
Take the system out of () standby mode (remote
commander).
SECAM TRAP
(L312
-
Input a SECAM color bar signal.
wo
no
eS
Set the picture and brightness controls to their
normal levels.
501.
Rotate RV502 to adjust to H+0.1ys.
w
on
er
1.
Input a NTSC (3.58) color bar signal.
2.
Connect oscilloscope to Q340 emitter and adjust
L308 to minimize color carrier on the Y-signal.
Standard of H. PHASE
= 9G Ss

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