Blue Offset Adjustment - Sony KP-46WT520 Service Manual

4-5. BLUE OFFSET ADJUSTMENT

1. Receive the all black (1080i, component) signal with VIDEO 5 input,
and set PICTURE to maximum.
2. Connect an oscilloscope between CN5 7 pin (B) on the (A Board) and
ground.
3. Set in the service mode and select the category "DEF2-SLIN".
4. Adjust "3 SLIN" so that the waveform level is 2.20 ± 0.05Vpp.
5. After completing the adjustments, write the data into memory by
pressing "MUTING" "ENTER" on the remote commander.
6. Receive the RF signal and change the wide screen mode to "Wide
Zoom". Copy the same data to "DEF2-SLIN".
Reference Pulse
16.7ms
GND
KP-46WT520/51WS520/57WS520
2.20 ± 0.05 Vp-p
KP-46WT520/51WS520/57WS520
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