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(POWER INDICATOR
GREEN or FLASH)
POWER INDICATOR
GREEN or FLASH ?
SCREEN CONTROL
KNOB OF FBT
VOLTAGE AT
D961 CATHODE (50V)
D971 CATHODE (80V)
D951 CATHODE (13V)
D941 CATHODE
IC401 (MICOM) PIN 16
5
14
5V (HIGH), IC401 PIN 18
7
PIN20, PIN21
TROUBLE IN
IC401 (MICOM),
Waveforms
5
IC401, #18
3. NO RASTER
NO VIDEO
CHECK
GREEN
CHECK
YES
CHECK
(6.3V)?
YES
CHECK
YES
14
FLASH
NO
NO
NO
7
IC401, #20
- 18 -
TROUBLE IN
P302 SIGNAL CABLE
ROTATE SCREEN CONTROL
KNOB TO CLOCKWISE
or COUNTER CLOCKWIES
TROUBLE IN PRIMARY
CIRCUIT OF T901
TROUBLE IN
CDT SOCKET, BOARD
IC401, #21
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