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Model
KDL-40W580B KDL-40W590B KDL-40W600B KDL-40W605B KDL-40W607B KDL-40W609B KDL-48W580B KDL-48W590B KDL-48W600B KDL-48W605B KDL-48W607B KDL-48W609B KDL-60W605B KDL-60W607B KDL-60W610B KDL-60W630B
Pages
118
Size
15.73 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LEVEL3
File
kdl-40w580b-kdl-40w590b-kdl-40w600b-kdl-40w605b-kd.pdf
Date
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Sony KDL-40W580B / KDL-40W590B / KDL-40W600B / KDL-40W605B / KDL-40W607B / KDL-40W609B / KDL-48W580B / KDL-48W590B / KDL-48W600B / KDL-48W605B / KDL-48W607B / KDL-48W609B / KDL-60W605B / KDL-60W607B / KDL-60W610B / KDL-60W630B Service Manual ▷ View online

Chassis: RB2G, HM
Chassis: RB2G, HM 
13
2-1 NO POWER
2-1-3.  No POWER - DC/DC converter check
START
2-1. NO POWER
Check 
C9137 
Voltage.
?
Check F9101
no
Check 
C9175
is 
it 1.0V?
Check F9105
no
Is the voltage 5V?
yes
no
Check 
C9192
Voltage.
Is the voltage 5V?
Check F9102
no
yes
yes
Check 
C9167
is 
it 1.15V?
Check F9106
no
Check 
C9153
Voltage.
Is the voltage 3.3V?
Check F9104
no
END
Check 
C9172
Voltage.
Check F9104
yes
no
Is the voltage 1.5V?
Check F9104
yes
 
2.1-3 - No Power: DC/DC Converter Check
Chassis: RB2G, HM
Chassis: RB2G, HM 
14
Board
Name
Board PWB  (A side)
Detail
1
2
3 4
BAX-L
1.C9137 [5V]
F9101
F910
1
1
2
F9102
3, 4
C9153
F9104
5
1
2
2.C9192 [5V]
F9102
3.C9153 [3.3V]
F9104
C9137
C9172
3,4
6
F9104
4.C9172 [1.5V]
F9104
5 C9175 [1V]
C9137
C9192
5.C9175 [1V]
F9105
6.C9167[1.15V]
F9106
C9192
5
6
C9175
F9105
C9175
F9106
C9175
 
Troubleshooting Reference
Chassis: RB2G, HM
Chassis: RB2G, HM 
15
2-1 NO POWER
2-1-4.  NO POWER: Ayu2L control
No Power
2 1. NO POWER
Check STBY_+3.3V
at AYU2L
(H15, H16, H17 pin
 C7376
)
Look for AC_MON line 
at CN9101 pin12/C9131 or 
Adapter
/ Gboard failure
NG
NG
Check AC_MON
at AYU2
(C11 pin 
 C7334
)
look for where 
STBY_+3.3V is NG.
 C7376
)
Adapter
/ Gboard failure
(
p
)
OK
OK
Look for MAIN_POWER line 
at CN9101 pin11
or replace AYU2
NG
Check MAIN_PWR
at AYU2
(C13 pin 
 C7315
)
Check STBY_+1.8V
at AYU2L
(H19 pin 
 C7374
)
look for where 
STBY_+1.8V is NG.
NG
Check STBY_+1.0V
at AYU2L
look for where
OK
NG
Check +19.5V(Adapter)
OK
NG
at AYU2L
(J15, J16, J17 pin 
 C7380
)
OK
look for where
STBY_+1.0V is NG.
Adapter/
G-board  
NG
(
p
)
Or
+12V(G-Board)
at 
CN9101 pin21
OK
Check Xtal oscillation
X7301, 32.768kHz
(A23, B23 pin 
NG
Replace X7301 or Ayu2L
It might be power supply problem
Please refer "DC/DC converter check" sheet
Or
OK
 R7398
)
OK
Check "STBY LED BLINKING"
 
2.1-4 - No Power: AYU2L Control
Chassis: RB2G, HM
Chassis: RB2G, HM 
16
Board
Name
Board PWB ( A side )
Detail
BAX-L
1, 3, 4
C7376
2
1. C7376
2. C7374
3. C7380
1, 3, 4
5,6
2
U
2L
C7380
C7374
3. C7380
4. R7396
5. C7334
AY
U
X7301
6. C7315
R7396
5, 6
X7301
C7334
C7315
 
Troubleshooting Reference
Page of 118
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