Panasonic G20 Series, Руководство по устранению неполадок

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Slide 5
Power LED Error Code Definition
LIST OF BOARDS POSSIBLY CASUSING THE FAILURE
POWER LED
ERROR
CODE
CIRCUIT MONITORED
CONDITIONS TRIGGERING
THE SHUTDOWN
MOST
COMMON
2
ND
OCCASIONALLY RARELY
7 BLINKS
Scan Drive Circuit and
Connection between the SC
board and the SM(SU/SD)
board.
Missing Vsus.
Abnormality of the scan circuit output, the 15V_F, the
scn_pro, and Vscn circuit.
Loose or open Connection between the SC board and the
SM(SU/SD) board (SC41, SC42, SC46).
Open or loose connection between connectors SC2/P2
Wrong diagnostic by the A board
SC SM Panel+SC+SM A
8 BLINKS
Sustain Drive Circuit and
Connection between the SS
board and the Panel.
Abnormality of the Sustain drive circuit.
Open or loose connection between the SS board and FPCs
from the panel (SS61, SS64, SS21, SS24 and SS58).
Open or loose connection between connectors C10/C20
Wrong diagnostic by the A board
SS Panel A C2
9 BLINKS
Discharge Control Circuit
(IC9300)
Failure of IC9300 A
¤ ¤ ¤
10 BLINKS
Abnormalities of the F+15V.
Reasons:
•
The P board is not generating the F+15V
•
SUB Voltages are affected by the K board or by
metal object present in the SD card slot..
Shorted Vsus (By the SS board or SC board).
Shorted Vda (By the panel, C1, or C2 board)
Wrong diagnostic by the A board.
SS SC A - P K
12 BLINKS AUDIO AMP Abnormalities of the Audio AMP A
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