- 20 -
CHECK
IC401 (MICOM)
PIN 30,31 (H/V INPUT)
SIGNAL?
CHECK
IC401 PIN 13
WAVEFORM?
CHECK
IC401 (MICOM)
PIN 2,3 ?
CHECK
B+ LINE
(6.3V,15V) ?
CHECK PC,
(PC IS NOT GOING INTO
DPM OFF MODE)
TROUBLE IN
X401
TROUBLE IN
IC401 (MICOM)
TROUBLE IN
Q41,Q942,Q951,Q952
TROUBLE IN PC
DPM MODE FAILURE
INPUT H/V SYNC SIGNAL
NO H/V SYNC
(NO DPM MODE.)
NO
NO
NO (DPMF: 0V)
DPM TABLE
Mode
Item
NORMAL
STAND-BY
SUSPEND
OFF
DPMS
H
L
L
L
LED
GREEN
ORANGE
ORANGE
ORANGE
DPMF
H
H
H
L
YES
SEE DPM TABLE
YES
YES
5V
6MHz
8. TROUBLE IN DPM