Read Sony KLV-40Z550A / KLV-46Z550A / KLV-52Z550A Service Manual online
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KLV-40, 46, 52 Z550A
RM-GA017
2.5.7.10.13 blink,
No Video/No BL, No Power
176-
264V
A
C
In
le
t o
n
3.
3V
_D
C
CN
1300 3P
IN
o
n
BA Bo
ar
d
Do
e
s
Po
we
r
Bu
tto
n
w
o
rk
?
BA
B
oard
Ye
s
Ye
s
Ye
s
AC Ca
b
le
o
r AC
In
le
t
Sw
itc
h
U
n
it
No
No
No
88-
132V
A
C
In
le
t o
n
(G6NS (40"), Power Unit
(G7NS) (46"/52"),
D1N(40"/46"), D2N(40"/46"),
D3N(52"), D4N(52")
G6NS (40"), Power Unit (G7NS)
46"/52"), D1N(40"/46"),
D2N(40"/46"), D3N(52"),
D4N(52")
G6NS (40"), Power Unit (G7NS)
46"/52"), D1N(40"/46"),
D2N(40"/46"), D3N(52"), D4N(52")
(No STBY 3.3V)
Destinat
ion
Taiwan
Except Taiwan
SECTION 3
TR
OUBLESHOO
TING
3.1 Flowchart
3-1-1.
FLO
WCHAR
T A
(i)
3-1-1.
FLO
WCHAR
T A (i)
No
No
Yes
Yes
No Power/Shutt down/No pictu
re
Try On/Off
at Main SW
and with Remote Commander
Is it
LED(STBY)
indicator turn
on or blinked?
Power Source is o
ut of order.
Other Circuit Block is out of
order except for Power board.
Check STBY3.3V Vcc Line and
Circuit.
Is it correct Connection at Wire harness?
Check Harness holder and Hea
der
pin and Wire harness.
Is it bended or damaged?
(If it so on,replace it to new one.)
Count blink
and replace board to obey
with 2-6 triage chart.
Reference Section 3.2
Board Replaceme
nt Order
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