5. TROUBLE IN DPM
STAND-BY/SUSPEND/
OFF MODE FAILURE
CHECK
CHECK PC,
IC401 (MICOM)NO H / V SYNC SIGNAL
(PC IS NOT GOING INTO
PIN 8, 9 (H/V INPUT)
DPM MODE)
SIGNAL?
INPUT H/V SYNC
CHECK
NOTROUBLE IN
IC401 PIN 13, 14
X401, IC401
WAVEFORM?
YES
CHECK
NO TROUBLE IN
IC401 PIN 11
IC401
(5V, HIGH)?
YES
CHECK
NO TROUBLE IN
IC401 PIN 19, 21 ?
IC401
YES
CHECK
+
BLINE NO TROUBLE IN
IC911
(12V, 15V, 80V,
5V) ?
DPMS TABLE
Item
Mode H / V SYNCVIDEOLED
NORMAL ON / ONNORMALGREEN
TROUBLE IN
STAND-BYOFF / ONOFF(0V)ORANGE
T901 or PC
SUSPENDON / OFFOFF(0V)ORANGE
OFFOFF / OFFOFF(0V)ORANGE
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