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  • KDL-42W800A, KDL-42W801A, KDL-42W802A, KDL-42W804A, KDL-42W805A, KDL-42W807A, KDL-42W808A, KDL-42W809A, KDL-47W800A, KDL-47W801A, KDL-47W802A, KDL-47W804A, KDL-47W805A, KDL-47W807A, KDL-47W808A, KDL-47W809A, KDL-55W800A, KDL-55W801A, KDL

DOWNLOAD Sony KDL-42W800A / KDL-42W801A / KDL-42W802A / KDL-42W804A / KDL-42W805A / KDL-42W807A / KDL-42W808A / KDL-42W809A / KDL-47W800A / KDL-47W801A / KDL-47W802A / KDL-47W804A / KDL-47W805A / KDL-47W807A / KDL-47W808A / KDL-47W809A / KDL-55W800A / KDL-55W801A / KDL Service Manual ↓ Size: 56.19 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-42W800A KDL-42W801A KDL-42W802A KDL-42W804A KDL-42W805A KDL-42W807A KDL-42W808A KDL-42W809A KDL-47W800A KDL-47W801A KDL-47W802A KDL-47W804A KDL-47W805A KDL-47W807A KDL-47W808A KDL-47W809A KDL-55W800A KDL-55W801A KDL
Pages
127
Size
56.19 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-42w800a-kdl-42w801a-kdl-42w802a-kdl-42w804a-kd.pdf
Date
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Sony KDL-42W800A / KDL-42W801A / KDL-42W802A / KDL-42W804A / KDL-42W805A / KDL-42W807A / KDL-42W808A / KDL-42W809A / KDL-47W800A / KDL-47W801A / KDL-47W802A / KDL-47W804A / KDL-47W805A / KDL-47W807A / KDL-47W808A / KDL-47W809A / KDL-55W800A / KDL-55W801A / KDL Service Manual ▷ View online

RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A 
Troubleshooting
AYU2 Fail Suspected
3-1-3.  No POWER:  Ayu2 Failure
AYU2 is working,
but specific block fails;
like no picture, 
I/O damage etc
Yes
See AYU2 
replacement flow
I/O damage, etc
No
Y
Store Error 
message.
N
Find Some
Error message
R
NAND d t f il
AYU2  LOG is displayed
No
Yes
Yes
No
Check RawNAND
using CheckSW
No
If it is 
unacceptable 
Errors,
it is RawNAND
device failure
Check DDR
using CheckSW
Find Some
Error message
DDR d
i
f il
No
Yes
RawNAND data fail
No
Store SW log,
Check SW behaviors.
AYU2  power is OK 
Yes
Check 
DDR & RawNAND
interface
device failure
Data fails are 
especially in 
environment area.
If thi A
h
DDR device fail
Erase RawNAND
From the error 
message, we can 
find which device 
has failure.
Software was written
Yes
No
If this Area has 
broken, check soft 
cannot run
In this case, 
corrupted data are 
written to NAND 
flash in proper 
Erase RawNAND
has failure.
Move to device 
analysis phase.
Software was written
successful ly
at least one time
Replace  both  
AYU2 & RawNAND
No
es
way.
So, we have to 
check the logs of 
exception or errors. 
Erase RawNAND
Note:
29
Replace Ayu2
Erase RawNAND
is a last option.
Note: 
(AYU2) – IC9000
(Brownie)- IC9001
RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A 
Troubleshooting
AYU2
l
t fl
3-1-4.  No POWER:  Ayu2 Replacement
RawNAND erase
replacement flow
Product SW rewrite
Recover?
Product
SW
iti
i
Yes
Recover?
SW writing issue
No
RawNAND erase
AYU2 replacement
Product SW write
RawNAND replacement 
Product SW write
Recover?
No
Product SW write
Recover?
AYU2 issue
RawNAND issue
Yes
Yes
No
Note:
30
Board issue
No
Note: 
(AYU2) – IC9000
(Brownie)- IC9001
RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A 
Troubleshooting
3-2.  LED Blinking
3-2-1. LED BLINKING  3x (DC Alert, Audio Error & Communication Error)
Note: 
(AYU2) – IC9000
(Brownie)- IC9001
Size
B* Board Type
G* Board Type 
OTHERS JAPAN
CHINA
ASIA
AMERICA EUROPE
JAPAN
42
BA2S
BA2W
GL2S
GL2S
GL2E(CH) GL2E(ID)
GL2S
47
BA2S
BA2W
GL2S
GL2S
GL2E(CH) GL2E(ID)
GL2S
3-time blinking
Ch
k D 1 0V t
DC_ALERT
NG
DMD_TU_I2C 
or 
I2CB bus check:
I2C bus dumping or
TUNER
NG
47
BA2S
BA2W
GL2S
GL2S
GL2E(CH) GL2E(ID)
GL2S
55
BA2S
BA2W GL2E(CH) GL2E(ID) GL2E(CH) GL2E(ID) GL2E(ID)
Check D+1.0V at
JL9129
on the B* Board
F9105,IC9103,etc
(B* Board)
Speaker
Check
Speaker Impedance
at SP Connector
NG
OK
AUDIO
NG
I2CB bus check:
Probe CL2205,
CL2206
I2C bus dumping or 
AYU2
Brownie
OK
Check +3.3V_MAIN_1
at JL9116 on
the B* Board
F9102,IC9102,etc
(B* Board)
Check AUDIO+12.5V
at pin 8/10 of
G-board  /
NG
NG
OK
SPIC check
Probe RB8522
SPI dumping 
resistor
or AYU2 
CN9101 on
the B* Board
Adapter (LW)
Check +12 5V
OK
OK
OK
I2C_CCP check
R8502 and 
R8503
I2C_CCP Pull 
U
Check +1.8V_MAIN on 
IC9201,etc
NG
Check +12.5V
at Power Amp side 
of F4601
on
the B* Board
F4601,IC4601,etc
(B* Board)
NG
OK
(Continue) #2 
HDMI
R8503
OK
Up 
Pin 2 of IC9201
,
(B* Board)
OK
IC4601,etc
(B* Board)
OK
(Continue) #3
I2CA bus check:
Probe CL5023,
CL5024
I2CA bus 
dumping 
resistor
or AYU2 
NG
NG
Check +5V_MAIN
at JL9132 on
the B* Board
IC9101,etc
(B* Board)
31
OK
Note: 
G BOARD : ( N/A FOR THIS MODEL)
RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A 
Troubleshooting
Troubleshooting Reference 
Board Name
Board PWB  (A side)
Detail
BA2-S/W
CL2151
CL2152
CL2152
CL2151
BM
CL2151
CL2151
CL2152
CL2152
CL2151
32
Page of 127
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