Fujitsu PlasmaVision P42HHA30WS - Page 22

No
No
No
- 21 -
∗ Vs and Va must be
adjusted.
No
Fan protector operated
Power lamp: Flashes six times intermittently in Red
Fan1:Flashes six times Red LED and flashes once Green LED every 8 sec. flashes once Green LED every 10 sec. Fan2:Flashes six times Red LED and
Check 2
Start
Yes
Yes
Is voltage
at connectors
CN352 and on
Main PCB 14V?
Is voltage at connectors CN951, CN952 on Main/Digital PCB + and - of CN951 and 952 5V to 11V.
Is fan rotary signal of Main/Digital PCB normal ? Pin of CN951, CN952 16 to 90 Hz.
Power Supply Unit circuit faulty.
∗ Replace Main
Power PCB.
Temperature protector operated
Power lamp : Flashes intermittently twice in red.
(For 0.5 sec. at an interval of 5 sec.)
Check 3
Start
Adjust PDP unit installation so that peripheral temperature is 40.0 or less.
No
Yes
Is ambient temperature
of IC6950 on Sensor
PCB less than 66 ?
Microcomputer peripheral circuit faulty.
Yes
Replace Main/Digital PCB Assy.
Microcomputer peripheral circuit faulty.
Replace Main/Digital PCB Assy.
Fan faulty Replace fan.
Yes
Microcomputer peripheral circuit faulty.
Replace Main/Digital PCB Assy.
Temperature sensor IC6950 faulty.
Replace temperature sensor IC6950.
Does unit
operate normally
when temperature sensor
IC6950 changed ?
normal?