Sharp PN-E602 (serv.man9) Service Manual / Technical Bulletin ▷ View online
IDP 2015 02 01
Date of Issue: 15
th
February 2015
Classification:
Yellow
IDP TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference
– PNF-A357
Revision - 1
White
– Carry out as required
Yellow
– Carry out as required and whenever the unit comes in for service
Red
– Carry out on all units
MODELS
PNE602
PNL602
REASON
Change of Delta DC Power Supply Unit part during production.
ACTION
We have changed the Delta DC Power Supply Unit part from September 2014
production.
production.
The DELTA DC Power Supply unit has been modified to fix the failure to light the
backlight due to capacitor failures on the Power Supply unit. (The parts code will not
change.)
backlight due to capacitor failures on the Power Supply unit. (The parts code will not
change.)
Symptom
The capacitors (C7817 and C7818) fail and the power output becomes abnormal.
Major symptoms are:
(1) Unable to turn on the power.
(2) The screen turns dark after power on and display of logo mark "SHARP".
(3) The screen powers on, but the screen remains dark and nothing appears on the
screen.
(4) A faint image appears on screen after power on.
(5) Sometimes the image disappears from the screen during use.
The capacitors (C7817 and C7818) fail and the power output becomes abnormal.
Major symptoms are:
(1) Unable to turn on the power.
(2) The screen turns dark after power on and display of logo mark "SHARP".
(3) The screen powers on, but the screen remains dark and nothing appears on the
screen.
(4) A faint image appears on screen after power on.
(5) Sometimes the image disappears from the screen during use.
* The above symptoms may appear due to other defects with the Power Supply unit
(instead of a capacitor failure) or problem with connecting section (such as connector
and harness) between PWBs including the Power Supply unit.
(instead of a capacitor failure) or problem with connecting section (such as connector
and harness) between PWBs including the Power Supply unit.
Confirmation of the production date
Using the information provided below, you can identify the production date using the
serial number:
Using the information provided below, you can identify the production date using the
serial number:
The first digit is the year. The last digit is the month.
Note - The last digit goes from 0-9, X=October, Y=November and
Z=December.
Z=December.
IDP 2015 02 01
Date of Issue: 15
th
February 2015
Classification:
Yellow
IDP TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference
– PNF-A357
Revision - 1
White
– Carry out as required
Yellow
– Carry out as required and whenever the unit comes in for service
Red
– Carry out on all units
How to distinguish old and new Power Supply unit
You can distinguish the Power Supply unit before and after change according to the
black marking and date code on the spec label.
You can distinguish the Power Supply unit before and after change according to the
black marking and date code on the spec label.
Display