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Model
KDL-46W700A KDL-46W704A KDL-46W705A KDL-46W707A KDL-50W700A KDL-50W704A KDL-50W705A KDL-50W707A
Pages
127
Size
120.08 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-46w700a-kdl-46w704a-kdl-46w705a-kdl-46w707a-kd.pdf
Date
PREV: Sony KLV-24EX430 Service Manual

Sony KDL-46W700A / KDL-46W704A / KDL-46W705A / KDL-46W707A / KDL-50W700A / KDL-50W704A / KDL-50W705A / KDL-50W707A Service Manual ▷ View online

RB1G
CHASSIS
W700A/704A/705A/707A/708A
Troubleshooting
Troubleshooting Reference 
Board Name
Board PWB  (A side)
Detail
BKX
(SL9103)
(SL9105)
(SL9107)
SL9109
SL9103
F9102
F9105
(SL9107)
(SL9109)
(SL9111)
(F9102)
(F9104)
F9105
(F9104)
(F9105)
(F9106)
F9104
SL9107
SL9111
BKJ
(SL9103)
(SL9105)
SL9109
SL9103
F9102
(SL9105)
(SL9107)
(SL9109)
(SL9111)
(F9102)
F9105
(F9102)
(F9104)
(F9105)
(F9106)
F9104
SL9107
SL9111
21
RB1G
CHASSIS
W700A/704A/705A/707A/708A
Troubleshooting
3-1-2.  No POWER:  Ayu2 Control
3 1 2.  No POWER:  Ayu2 Control
No Power
Note: 
G BOARD : ( N/A FOR THIS MODEL)
Check STBY_+3.3V
at AYU2
(F11, G11, K13 pin
C7348)
Look for AC_MON line 
at CN9101 pin2 (except BK*) or 
G-board  / Adapter failure (LW) 
NG
NG
Check AC_MON
at AYU2
(C6 pin  R7352)
look for where 
STBY_+3.3V is NG.
C7348)
Look for MAIN_POWER line 
NG
Check MAIN_PWR
OK
Check STBY_+1.8V
at AYU2
look for where 
OK
NG
_
at CN9101 pin1 (except BK*) 
or replace AYU2
at AYU2
(A9 pin  R7344)
OK
(K5, L5, L10, J7 pin 
C7349)
STBY_+1.8V is NG.
OK
Check STBY_+1.0V
at AYU2
(N13, P13 pin  C7350)
look for where
STBY_+1.0V is NG.
G-board  /
Adapter  (LW)
NG
Check REG+12V
at CN9101 pin7
Check REG+19V
9301(
*
)
NG
Check Xtal oscillation
OK
NG
It might be power supply problem
Please refer "DC/DC converter check" sheet
at F9301(BK* only)
OK
Note:
X7302, 32.768KHz
(A7, B7 pin  R7386)
Replace X7302 or Ayu2
OK
Please refer  DC/DC converter check  sheet
Or
Check "STBY LED BLINKING"
(*)
Size
B* Board Type G* Board Type
22
Note: 
(AYU2) – IC9000
(Brownie)- IC9001
46”
BA2-S GL2S
50”
BA2-S
GL2
RB1G
CHASSIS
W700A/704A/705A/707A/708A
Troubleshooting
Troubleshooting Reference 
Board Name
Board PWB
Detail
BA2-S
(C7348)
(C7349)
(C7350)
(B side)
C7349
(C7350)
C7348
C7350
BA2-S
(R7344)
(R7352)
(A side)
R7386
R7344
Pin 1
Pin 7
(
)
(R7386)
(CN9101)
CN9101
Pin 2
23
R7352
RB1G
CHASSIS
W700A/704A/705A/707A/708A
Troubleshooting
Troubleshooting Reference 
Board Name
Board PWB  (B side)
Detail
BA2 W
(B id )
BA2-W
(C7348)
(C7349)
(C7350)
(B side)
(
)
C7348
C7350
C7349
R7386
R7344
BA2-W
(R7344)
(R7352)
(R7386)
(A side)
R7386
R7344
Pin 1
Pin 7
(R7386)
(CN9101)
CN9101
R7352
Pin 2
24
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