KDL-32V5500, KDL-40V5500, KDL-46V5500, KDL-52V5500 - Sony TV Service Manual (repair manual). Page 9

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KDL-32, 40, 46, 52 V5500
RM-GD007, C003
2
5
7
10
13 blink
s
,
No Video/No BL, No Power
176-264VAC
Inlet on 
3.3V_DC
CN1300 3PIN on 
BA Board
Does Power 
Button work?
BA Board 
Yes
Yes
Yes
AC Cable or AC Inlet
   
   
Switch Unit
No
No
No
88-132VAC
Inlet on 
G2BE,G5,IP1,IP2,
D5N,D6N
G2BE,G5,IP1,IP2,
D5N,D6N
G2BE,G5,IP1,IP2 or D5N or D6N
(No STBY 3.3V)
Destination
Taiwan
E, Hong Kong
 
SECTION 3
TROUBLESHOOTING
3.1 Flowchart
3-1-1. FLOWCHART A (i) 
3-1-1. FLOWCHART A (
ii
)
No
No
Yes
Yes
No Power/Shu
t
down/No picture
Try On/Off 
at Main SW 
and with Remote Commander
Is it
LED(STBY) 
indicator turn
on or blinked?
Power Source is out 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 Header 
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 Replacement Order
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