Panasonic BT-M1950Y Service Manual page 94

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eSandcastle pulse
The V sync signal produced by IC405 and H blanking signal produced by IC506 are added by IC510 and sent to
IC511. The clamp pulse signal produced by IC506 is inverted by IC511 and added to these signals. The sandcastle
pulse is then produced.
IC506 H. BLK DELAY
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IC5101PIN
IC510 2PIN
1(510 3PIN
IH
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IC510 3PIN
1(505 9PIN
IC511 6PIN
TP-SCP
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Fig. 4-15 Sandcastle pulse circuit
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IC509
_ (3/3)
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Fig. 4-16 Sandcastle pulse circuit timing
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13
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IC511
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