Sony KF-E42A10 Service Manual page 13

KF-E42A10/E50A10
RM-GA004 RM-GA004
- The results display is not automatically cleared. In case of repairs and after repairs, check
the self-diagnosis screen and be sure to return the results display to "0".
- If the results display is not returned to "0" it will not be possible to judge a new malfunction
after completing repairs.
<Method of Clearing Results Display>
1. Power off (Set to the standby mode)
2. DISPLAY
3. Channel
<Method of Ending Self-Diagnosis Screen>
- When ending the self-diagnosis screen completely, turn the power switch OFF on the
remote commander or the main unit.
5. Self-Diagnosis function operation
1 : Lamp_ERROR
2 : lamp temp over
3 : lamp cover
4 : FAN
5 : Lamp Driver
6 : Low B error
Channel 5
8 ENTER
When the lamp is broken.
When the inside temperature sensed with IC7021, IC7180 and IC603 mounted
on HB board, S2 board and C board respectively exceed the threshold, the lamp
turns off.
When the lamp cover is opened the connector of the lamp is not fixed, the lamp
turns off.
When any FAN (FAN1~FAN4) is stopping or harness is not connected correctly,
the lamp turns off.
When the ballast is not working with high voltage, the lamp turns off.
When the voltage B_12V is low, TVM(TV u-com) detects it and makes turn off
the lamp.
Vol -
– 12 –
POWER