Panasonic TH-103PF9UK - Page 39

Trouble Mode
DATA Driver SOS
Defective Board
DR1/2,D, P(SUS/SC),P(Multi/SC),
P(SUS/SS),P(Multi/SS), C1-CZ Board
Panel SOS – Power LED Blinks 7 Times (3/5)
How to find the defective board
Does it power up?
No
Does it power up?
No
Yes
Does it power up?
No
DR2 Board
Power SW
OFF
Yes
(C4~C6,Panel)
Yes Are there Vda
output at pin 1 of CN P12 and
15V output at pin 4 of CN P12
before shutdown ?
P(SS) Board
No
Does it power up?
Yes
DR1 Board
Yes
(C7~C9,Panel)
No
Power SW
OFF
C4
～
C6,
Panel Diag.
C7
～
C9,
Panel Diag.
■DR1/2 P(SC/SS),D Diag.
Does it power up?
Does it power up?
Yes
DR1 Board
No
Power SW
OFF
No
Does it Power up?
No
D Board (*)
Yes
No
DR2 Board
Does it power up?
Yes
(CX~CZ, Panel)
Power SW
OFF
C1
～
C3,
Panel Diag.
Yes
(C1~C3,Panel)
39
Disconnect CN DR12 of the DR2
Board (SS side). Turn the unit on.
Connect CN DR12. Disconnect
CN DR13~DR15 of the DR2 Board.
Turn the unit on.
Disconnect CN DR2 of the DR1
Board (SS side). Turn the unit on.
Disconnect CN SS35 and SS42.
Turn the unit on.
Connect CN DR2. Disconnect
CN DR3~DR5 of the DR1 Board.
Turn the unit on.
Disconnect CN DR2 of the DR1
Board (SC side). Turn the unit on.
Disconnect CN DR12 of the DR2
Board (SC side). Turn the unit on.
Connect CN DR2. Disconnect CN DR3~DR5
of the DR1 Board. Turn the unit on.
Connect CN DR2. Disconnect CN DR13~DR15
of the DR2 Board. Turn the unit on.
CX
～
CZ,
Panel Diag.