No Picture From One Or All Inputs (Osd And Sound Ok); No Picture\No Osd - Panasonic TH-37PX60U Technical Manual

No Picture from one or all inputs (OSD and Sound OK)

<Symptom>
No Picture from one or all inputs (Sound OK)
<Models>
All models
<How to determine the defective board>
Is there no
No
picture from all
inputs?
Yes
Only Digital
Only HDMI
Disconnect
No
CN DG5, Turn the unit
on. Does a white picture
appears? (*)
Yes
DG (1)or D (2) Board

No Picture\No OSD

<Symptom>
No Picture at all
<Models>
All Models)
<How to determine the defective board>
Is the On Screen Display
information visible?
Yes
Is there video from
HDMI input?
Yes
H Board
Program Out
Analog
is normal?
TV NG
DG Board
Program Out
is normal?
TV NG
DG Board
DG Board
Input NG
When Multi window mode,
Right picture NG
Disconnect
No
the SU Board from the
Panel discharge
SC board. Turn the unit on. Is
occurs?
there a picture at the
lower half of the
Yes
D Board
SU Board
No
No
DG Board
Yes
Is the SC Board LED
illuminated?
No
SC Board
Warning: Disconnect AC Power prior to
making any disconnection or
No
Input is normally
displayed ?
Yes
DT Board
No
DT Board
Yes
PX600 series Only
DG Board
SU board. Disconnect
No
the SD Board from the SC board.
Turn the unit on. Is there a
picture at the upper half
screen?
Yes
31
Warning: Disconnect AC Power prior to
making any disconnection or
1. Unplug the unit from the wall outlet.
2. Disconnect the connector DG5 from the DG board.
3. Reconnect the unit to the wall outlet and turn it on.
Is the screen completely white?
No
Is there 75V (VDA) at pins 1 and
2 of the connector SS12?
Yes
Is the
SS Board LED
illuminated?
No
SS Board
32
connection.
AV
No
H Board
Yes
Note: Slow leakage from the
panel causes "no raster and
buzz noise"
Connect the
No
SC or D Board
and possibly
of the screen.
Yes
SD Board
connection.
Yes
DG (1) or D (2) Board
No
P Board
Yes
D Board
Panel