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Ik Protector Confirmation - Sony PVM-9L1 Service Manual

Trinitron color video monitor.
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3-2-3. IK Protector Confirmation

1. Supply the power source voltage of 127 to 130 VAC to
the set and turn ON the power.
2. Input the 480/60I all black signal, and adjust the
BRIGHTNESS and CONTRAST knobs on the front
panel to MIN.
3. Connect the resistor (3 kZ + 47 Z) between the FBT
10 pin (ABL) on the A board and external DC power
supply (-6 V).
Connection diagram
FBT 10 pin
DC power supply
3 kZ
_
47 Z
4. Turn ON the DC power supply.
5. Confirm that the protector circuit is activated and
raster disappears.
3-2
6 V
+
PVM-9L1

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