Sony KLV-40ZX1 (serv.man2) Service Manual ▷ View online
KLV-40ZX1 (GE) 2-12
2-2-4. NO LINK
NG
OK
Remote control
RF Module
(Pearing)
Take it near a monitor
and check it
Setting place
Do link a monitor ?
NG
NG
OK
Replace
the BC board
LF Block
(LFTX)
BC board
Replace
the LF Block
(LFTX)
NG
Replace
the DB1C board
DB1C board
OK
OK
OK
KLV-40ZX1 (GE) 2-13
2-2-5. NO PICTURE, NO SOUND
1) TUNER INPUT
Check OSD
OK
Replace
the DB1C Board
DB1C Board
Check LINK
OK
NG
NG
Pairing and
setting place
OK
NG
Replace
the BC Board
BC Board
Replace
the LF Block
(LFTX)
OK
Replace
the LF Block
(LFTX)
Replace
the H1C Board
H1C Board
OK
NG
OK
Replace
the BC Board
BC Board
Check
video input screen
NG
OK
OK
NG
KLV-40ZX1 (GE) 2-14
2) VIDEO OR COMPONENT INPUT
Replace
the LF Block
(LFTX)
Check LINK
Replace
the H1C Board
H1C Board
OK
NG
NG
OK
LF Block
(LFTX)
OK
BC Board
Replace
the BC Board
NG
OK
Pairing and
setting place
Replace
the DB1C Board
DB1C Board
OK
NG
KLV-40ZX1 (GE) 2-15
3) HDMI INPUT
Replace
the DB1C Board
Check LINK
OK
NG
NG
DB1C Board
OK
BC Board
Replace
the BC Board
NG
OK
Replace
the LF Block
(LFTX)
LF Block
(LFTX)
OK
Pairing and
setting place
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