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STAND-BY/SUSPEND/
OFF MODE FAILURE
CHECK
IC401 (MICOM)
PIN 40, 41 (H/V INPUT)
SIGNAL?
INPUT H/V SYNC
CHECK
IC401 PIN 9, 8
WAVEFORM?
YES
CHECK
IC401 PIN 6
(5V, HIGH)?
YES
CHECK
IC401 PIN 13, 14 ?
YES
CHECK
B + LINE
(12V, 15V, 80V,
5V) ?
TROUBLE IN
T901 or PC
5. TROUBLE IN DPM
NO H / V SYNC SIGNAL
NO
NO
NO
NO
Item
DPMS
Mode
NORMAL
STAND-BY
SUSPEND
OFF
CHECK PC,
(PC IS NOT GOING INTO
DPM MODE)
TROUBLE IN
X401, IC401
TROUBLE IN
IC401
TROUBLE IN
IC401
TROUBLE IN
Q904, Q905, Q906, Q907,
Q909, Q931
DPM TABLE
DPMF
H
L
L
H
L
H
L
L
LED
GREEN
AMBER
AMBER
AMBER
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