Sony TRINITRON KV-2565MT - A Board Anti-PAL and Line Crawling Adjustment; A Board Pincushion and Picture Geometry Adjustments; A Board Discri Adjustment; A Board Bell Filter Adjustment

ANTI PAL, LINE CRAWLING ADJUSTMENT
(RV301,RV302,T301)
e ANT! PAL ADJUSTMENT
1. Input PAL color-bar signal.
2. Set the PIC, COL and BRT controls to normal.
3. Connect the oscilloscope to pin @) of A-1 connector.
4. Adjust RV301 (DELAY) and RV302 (PHASE) to
obtain the waveform as shown below.
¢ LINE CRAWLING ADJUSTMENT
wrong right
pattern in =p pattern | |
1. Input the PAL color-bar signal.
2. Set the PIC, COL and BRT controls to normal.
3. Connect the oscilloscope to pin @) of A-1 connector.
4. Adjust T301 for minimum line crawling.
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301
DISCRI ADJUSTMENT (1401,T402
1. Input the SECAM color-bar signal.
2. Connect the dual-trace oscilloscope to the pin @)
(B-Y) and pin @ (R-Y) of IC401.
3. Adjust T402 (R-Y) and T401 (B-Y) as shown
the following figure.
WES = "es
a same level
[BELL FILTER ADJUSTMENT (T403)|
1. Input the SECAM color-bar signal.
2. Connect the oscilloscope to pin 0 (R-Y) of IC 401.
3. Adjust T403 as shown the following figure.
+
[ele
KV-2965MT M
RM-827S 32
RV822 PIN ANP (PINCUSHION AMPLIFIER)
O-CI-L
RV823 PIN PHASE (PINCUSHION PHASE)
[ N-IC-
RV821 PIN COR (PINCUSHION CORRECT)
LUSH -01U
RV825 C.CORR(CORNER CORRECT)
1-H -(0)
RV824 H.SIZE (HORIZONTAL SIZE)
-L 0
RV503 V.SIZE (VERTICAL SIZE)
| III
RV502 V.LIN (VERTICAL LINEARITY)
=
CN550 H.CENT (HORIZONTAL CENTER)
EC -LI-L
RV551 V.CENT (VERTICAL CENTER)
LJ-C-7