Sony KDL-32CX527 / KDL-40CX527 Service Manual ▷ View online
KDL-32CX527/40CX527
32
SECTION 5 - FLOW CHARTS AND DIAGRAMS
POWER LED
(Green) blinking
OK
LCD PANEL
NG
Check LCD PANEL
Check the harness
between the G* Board
and LCD PANEL
Harness
NG
OK
Check G* Board
B* Board
OK
G* Board
NG
FIGURE 5-8. POWER LED BLINKING
KDL-32CX527/40CX527
33
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO PICTURE
No Picture
Press HOME Key
XMB (Menu) displayed?
B* Board
Replace
the LVDS Harness
LCD PANEL
(TCON)
Harness
(LVDS)
Check
BL_ON at JL6018
on the B* Board
BL_ON:H
B* Board
Replace Harness
between G* Board
to B* Board
Harness
(G* Board to
B* Board)
BL_ON: L
Change B* Board
G* Board
NO
YES
NG
OK
NG
OK
NG
OK
LCD PANEL_VCC
At JL6004 on the
B* Board
G* Board
12V OK
12V NG
FIGURE 5-9. NO PICTURE ERROR
KDL-32CX527/40CX527
34
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the B* Board
B* Board
Speaker
OK
NG
NG
OK
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
“TV Speakers”
FIGURE 5-10. AUDIO ERROR
KDL-32CX527/40CX527
35
SECTION 5 - FLOW CHARTS AND DIAGRAMS
TV/REMOTE COMMANDER BUTTONS NOT WORKING
TV POWER
Button
not working
Replace the Harness
between B* to
Switch Unit
Switch Unit
Harness
Switch Unit change
B* Board
OK
NG
OK
NG
FIGURE 5-11. REMOTE COMMANDER MALFUNCTIONING
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