Power Management System (Pms) Failure; Pms Failure 1(When A Monitor Receives Horizontal And Vertical Sync.) - NEC MultiSync FP1370 Service Manual

11. POWER MANAGEMENT SYSTEM (PMS) FAILURE

11-1. PMS FAILURE 1(When a monitor receives Horizontal and Vertical Sync.)

At the first, push the "EXIT" switch 2 times or over.
Check the color of power LED.
Green
Check the picture
OK
NG: See "No Raster" (item 1)
Yellow
Check the signal.
OK
NG
Orange
Push the "BNC/D-SUB" SW
Green
OK
Orange
Check the voltage.
NG
OK
IC801 pin 36(V.Sync) on the VIDEO PWB (PWE-567A).
Check the voltage.
OK: Q101-104, LED111-113 may have failed.
NG: IC801 or IC802 may have failed.
Q7Y1-7Y8, Q734, Q735, Q798 or IC7A1 may have failed.
Check the voltage of pin 1 and 2 of IC801 on the VIDEO PWB (PWE-567A).
It should be one or the other approx. 5V.
Q7G1-7G6, MD7GE, MD7GG, D7GA, D7GFor IC7G1 may have failed.
Q101-104, LED111-113, IC801 or IC802 may have failed.
CN-PM pin 2 should be approx. 5V.
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