Sony HDR-CX720V Service Manual page 11

1-9. DISCHARGE OF LED FLASH/VIDEO LIGHT
This model is provided with a flash unit using LED Flash/Video light.
Therefore, the LED Flash/Video light does not have high voltage part and does not need to be discharged.
1-10. NOTE ON REPLACING PROJECTOR UNIT
(PJ710/PJ710V/PJ710VE/PJ720E/PJ740VE/PJ760/PJ760E/PJ760V/PJ760VE)
Refer to the following flowchart when repairing or inspecting the projector's projection function.
If you have received an indication on the projector's projection function from the customer, check defective part according to the following flow-
chart.
When a defective part has been clarified, repair the projector according to the check result.
Note 1: The projector unit (copper plate in particular) becomes hot after it is used.
When replacing a part of the projector unit, wait until it is cooled down.
Wipe the lens gently with a soft cloth such as a cleaning cloth or glass cleaning cloth.
Note 2: Stubborn stains may be removed with a soft cloth such as a cleaning cloth or glass cleaning cloth lightly dampened with water.
Never use a solvent such as alcohol, benzene or thinner; acid, alkaline or abrasive detergent; or a chemical cleaning cloth, as they will damage the lens sur-
face.
Projector problem checking procedure (other than indication on brightness)
Indicated defective
projector received
No
Indication on
brightness
B
Yes
NG
Measure brightness. A
( 2)
OK
END
HDR-CX720V/CX730E/CX740E/CX740VE/CX760E/CX760V/PJ710/PJ710V/PJ710VE/PJ720E/PJ740VE/PJ760/PJ760E/PJ760V/PJ760VE_L2
1 Refer to the ADJUST tab of Adjust Manual.
2 Refer to the SERVICE tab of Adjust Manual.
NG
Inspect projector
LED. ( 1)
OK
- Replace projector unit (light emitting block). (*1)
- Replace PJ board. (*1)
- Replace both projector unit (light emitting block)
and PJ board. (*1)
Projector Data Input
- Fixed value input
Enter the number on the label attached to the unit.
- Serial number input
LD40Syywwnnnnn Enter the red part.
NG
Inspect projector
LED.
( 1)
OK
Projector problem checking procedure (indication on brightness)
Indicated defective
projector received
No
Indication on
brightness
Yes
NG
Measure brightness.
( 2)
OK
END
1-7
1 Refer to the ADJUST tab of Adjust Manual.
2 Refer to the SERVICE tab of Adjust Manual.
B
A
- Replace projector unit (light emitting block). (*1)
- Replace PJ board. (*1)
- Replace both projector unit (light emitting block)
and PJ board. (*1)
Projector Data Input
- Fixed value input
Enter the number on the label attached to the unit.
- Serial number input
LD40Syywwnnnnn Enter the red part.
Inspect projector
LED.
( 1)
OK
Measure brightness.
( 2)
OK
– ENGLISH –
NG
NG