No Picture - Sony D98 chassis Operation Manual

A
Is amber
Power LED
Blinking?
No
Is
amber LED steady on?
No
Is green power LED On?
Yes
Does
A-Board make proper
contact with CRT gun?
Yes
Check heater, G2, red, green and blue cathode
voltage levels.
Repair Video if needed
12
Done

NO PICTURE

Yes
Yes
Check the video cable connection or
INPUT SELECT registers
No
Is Monitor beeping? (Small)
Press power switch, if LED does no turn on,
repair"power supply"
No
Carefully press A Board
to make proper contact with CRT gun
No
Can you get picture?
- 31 -
I
(See Part Level Board Repair Section)
Yes
Repair Video circuit
or repair H deflection
No
1
Yes
12
2