Read Sony KLV-40ZX1 (serv.man2) Service Manual online
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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