Sony RB1G Service Manual page 201

Troubleshooting
3-5. No Picture
3-5-18. NO PICTURE: (Except HFR Model)
No Picture
Is blue picture
on display?
(Factory SW
is booted)
・
Yes
B*-Board is OK.
Check:
Tuner - No Picture
HDMI - No Picture
Ext. Video Input -
Note:
G BOARD :
( N/A FOR THIS MODEL)
PANEL_VCC = +12V
LS(G*-Board): JL9102
LW (Adaptor): JL9301
Check
PANEL_VCC
No
at JIG LAND
on the B* Board
No
G*-Board or
Adaptor NG
No Picture
BL_ON (L or H)
LS (G*-Board): JL9111
LW (Adaptor): JL8205
BL_ON：H
Check
Yes
BL_ON at JIG LAND
on the B* Board
BL_ON：L
Symptom
Replace Harness
improvement
between G*-Board(n/a)
to B*-Board.
(LS Only)
NG
NG
Change B*-Board
Symptom
improvement
B*-Board NG
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
Replace
NG
LCD Panel
the LVDS FFC
(T-CON)
Harness
Symptom
improvement
LVDS FFC
Harness
Replace G*-Board to
B*-Board Harness
Change G*-Board
or Adaptor (LW)
Size B* Board Type
(*)
(Segment: LW)
OTHERS EUROPE
24" BKX BKE
32" BKX BKE
42" BKX BKE
RB1G CHASSIS
JP
BKJ
BKJ
BKJ
201