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Blue Offset Adjustment(hw572k90) - Sony KP-HR432K90 Service Manual

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4-5. BLUE OFFSET ADJUSTMENT (HW572K90)
1. Receive the all black (1080i, component) signal with VIDEO 5
input, and set VIDEO MODE to pro and PICTURE to maximum.
2. Connect an oscilloscope between CN5 pin 7 (B) on the A board
and ground.
3. Set in the service mode and select the category " 2150D-2 ".
4. Adjust " 3 SLIN " so that the waveform level is 2.20 ± 0.05Vp-p.
5. After adjustment finished, press " MUTING " +" ENTER "
buttons on the commander to write the data to the NVM.
6. Receive the RF signal and change the wide to mode to " Wide
Zoom " copy the same data to " 3 SLIN ".
Reference Pulse
16.7ms
GND
Fig. 4-5
KP-HR432K90/HR532K90/HR532N90/HW572K90
2.20±0.05 Vp-p
– 34 –
RM-Y909K
RM-Y909K
RM-Y908
RM-Y909K

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Kp-hr532k90Rm-y908Kp-hw572k90Kp-hr532n90Rm-y909k

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