Sony KDL-32W700B / KDL-32W705B / KDL-32W706B / KDL-42W700B / KDL-42W705B / KDL-42W706B / KDL-42W708B / KDL-42W800B / KDL-42W805B / KDL-42W807B / KDL-42W815B / KDL-42W817B / KDL-42W828B / KDL-42W829B / KDL-50W700B / KDL-50W705B / KDL-50W706B / KDL-50W790B / KDL Service Manual ▷ View online
RB2G
CHASSIS
W700B/ W705B/ W706B/ W707B/ W708B/ W790B
W800B/ W805B/ W807B/ W808B/ W815B/ W817B/ W828B/ W829A
W855B/ W857B
9
Self Diagnostic Function
2-4. Standby LED Error Display
2-2. LED Display Control
Example: The figure above shows LED display when SHUTDOWN is caused by Audio
Error. It repeats flashing for a specified number of times in 0.5sec/cycle and has a 3 seconds
interval of lighting off. Please note that a 3 seconds interval of lighting off is fixed regardless of abnormal state types.
Error. It repeats flashing for a specified number of times in 0.5sec/cycle and has a 3 seconds
interval of lighting off. Please note that a 3 seconds interval of lighting off is fixed regardless of abnormal state types.
When safety shutdown occurs, Standby LED display reports the cause by using the lightning
patterns as indicated below
patterns as indicated below
.
2-3. LED Pattern
3.0sec
3.0sec
0.5sec
0.5sec
Smart
Core RED
LED
blinking
count
Detection Items
Board Error Item
2x
Main 19.5V failure [MAIN_POWE]
* This failure is not saved
Power Adaptor
BAXL Board Error
BAXL Board Error
3x
Main 5.0/3.3/1.8/1.0/ 1.1V failure
[DC_ALERT]
[DC_ALERT]
* 5.0/1.0V failures are not saved.
BAXL Board Error
Audio amp. protection [AUD_ERR]
BAXL Board Error
Speaker
Speaker
HDMI equalizer/switch I2C NACK [HDMI_EQ]
* There is Temp. sensor on the same I2C bus.
* There is Temp. sensor on the same I2C bus.
BAXL Board Error
Tuner or demodulator I2C NACK
[TU_DEMOD]
[TU_DEMOD]
BAXL Board Error
AFE device I2C NACK [AFE_I2C]
BAXL Board Error
AFE device error SPI NACK [AFE_SPI]
* only for AEP,CH
* only for AEP,CH
BAXL Board Error
5x
Panel ID EEPROM I2C NACK [P_ID_ERR]
(Also panel power failure is a suspect)
(Also panel power failure is a suspect)
Panel module
Tcon board
BAXL Board Error
Tcon board
BAXL Board Error
6x
LED Driver [BACKLIGHT]
LED Driver (LD) Board Error
7x
Over temperature protection [TEMP_ERR]
Temp. sensor I2C NACK [TEMP_ERR] *
There is HDMI Eq on the same I2C bus.
There is HDMI Eq on the same I2C bus.
BAXL Board Error
8x
Software Error (Also the main board’s
memory or CAM module is a suspect)
memory or CAM module is a suspect)
BAXL Board Error
9x
Tuner Board Error [TU_BOARD]
Tuner Board Error
Status
White Centre
LED
(applicable for
HSC2 only)
Side RGB LED
Side Amber
LED
Remarks
Power Off
( by power saving switch off
and *1)
Off
Off
Off
*1 power switch off
(by side key)
Power On
White
Off
Off
STBY/i.LINK STBY/PC STBY
( by remote control off only )
Off
Off
Off
Skype Call Receive
White
White one shot
Off
Picture Off
White looping
White one shot
Off
Device Connection
White
Cyan one shot
Off
Power ON Animation
White
White one shot
Off
Sleep Timer/On Timer/Reminder/REC
Timer/Photo Frame
( Power On )
White
Amber
One shot -> Lit*2
Off
*2 One Shot is only
user action.
On Timer/Reminder/REC Timer
( Deep Standby )
Off
Off
Amber
After 5 minutes, side
amber LED On
Failure
Off
Red
Blinking
Off
The number of LED
blinking indicates
cause of failure
( refer to Led
Error/Triage Chart)
Aging mode
White
Green Blinking
Off
Blinking:0.5sec On /
0.5sec Off
End of Aging mode
White
Green Blinking
Off
Blinking:3sec On / 3sec
Off
Software Updating
White blinking
White blinking
Off
Software Updating finish
White
Blue lit
Off
Test Reset
White
White blinking
Amber
blinking
Error of panel ID
White
Green Blinking
Amber
Blinking
Blinking:0.5sec On /
0.5sec Off
REC (SCART REC & HDD REC/LIVE
PAUSE) [AEP/J only]
White
Red(Pink)
One shot -> Lit*2
Off
*2 One Shot is only
user action.
ePOP/
Shop Illumination
White
Cyan loop
Off
RB2G
CHASSIS
W700B/ W705B/ W706B/ W707B/ W708B/ W790B
W800B/ W805B/ W807B/ W808B/ W815B/ W817B/ W828B/ W829A
W855B/ W857B
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
Video
- missing or distorted
Remote Network
Audio
Skype
Smart
Core
Bluetooth
(BT)
2
3
4
5
6
7
8
9
10
No White
Power LED
& does not
response
to remote
(Dead Set)
Stationary
coloured
lines or
dots
No
video
One of
Inputs
No
video
all
Inputs
No
Remote
Wireless
can't
connect
No Audio
Skype
Can't Work
Smart
Core no
LED (Set
is still
alive)
Bluetooth /
One Step
Remote
(OSR) can't
connect
BAXL Board
p
l
p
p
l
l
p
p
l
l
p
p
l
p
p
p
TU* board
p
p l
p
l
l
p
G* Board
l
p
p
l
l
p
HIR Board
(IR)
p
l
l
HSC2 Board
(SC)
p
l
Speaker
p
l
Skype Module
l
Camera
Module
p
Mic. Module
l
Wifi Module
l
l
p
BT Module
l
LD Board
l
p
LVDS FFC
p
p
p
p
Tcon
p
l
p
p
p
p
LCD Panel
l
l
l
p
l
p
Problem
Power Power
LD
Panel
(Tcon)
Panel
(Backlight) TEMP
Soft-
ware
ware
Emitter
Audio
FAN
(N/A)
Local
I2C
2-5. Triage Chart
Self Diagnostic Function
10
Secondary possible defective part
Most likely defective part
Note :
-G*Board- Not applicable
-TUS Board (Others) / TUW Board (Japan)
-G*Board- Not applicable
-TUS Board (Others) / TUW Board (Japan)
RB2G
CHASSIS
W700B/ W705B/ W706B/ W707B/ W708B/ W790B
W800B/ W805B/ W807B/ W808B/ W815B/ W817B/ W828B/ W829A
W855B/ W857B
11
SECTION 3
TROUBLESHOOTING
3-1. NO POWER
Parts
Board PWB (BAXL- A side)
Detail
(L9107)
Troubleshooting
No Power
Check STBY 3.3V
L9107
Harness
Adapter
Replace
Between LD Board to
B* Board Harness
BAXL Board
NG
OK
NG
OK
Replace
LD- Board
NG
LD Board
OK
For HT, HM, change LD board.
For HE, change Panel.
3-1-1. NO POWER
AC ADAPTER
1
L9107
Note :
-B* Board – BAXL Board
-B* Board – BAXL Board
3-1-2. NO POWER – AYU2/AYU2L failure
AYU2/L Fail Suspected
Replace BAXL Board
No
eMMC /
RawNAND erase
Product SW rewrite
Recover?
Product SW
writing issue
Yes
RB2G
CHASSIS
W700B/ W705B/ W706B/ W707B/ W708B/ W790B
W800B/ W805B/ W807B/ W808B/ W815B/ W817B/ W828B/ W829A
W855B/ W857B
12
Troubleshooting
3-2-1. LED Blinking: 3x (DC Alert & Communication Error)
Note :
-B* Board – BAXL Board
-G*Board- Not applicable
-TUS Board (Others) / TUW Board (Japan)
-B* Board – BAXL Board
-G*Board- Not applicable
-TUS Board (Others) / TUW Board (Japan)
3-2. LED BLINKING
Speaker
Check
Speaker Impedance
at SP Connector
Check
Audio +12.5V
at pin 18/20 of CN9101
on the B* Board
(except Adapter
(except Adapter
model)
G* Board
Check
+12.5V / +19.5V
at Power Amp side
of F4401 / F4601 on
the B* Board
F4401 / F4601,
IC4901 / IC4601
,etc
(B* Board)
IC4901 / IC4601,etc
(B* Board)
AUDIO
NG
OK
NG
OK
NG
OK
3-times blinking
Check D+1.0V at
JL9003 / JL9127 on
the B* Board
F9105,IC9103,
Etc (B* Board)
Check
+3.3V_MAIN_1
at JL9117 on
the B* Board
F9104,IC9104,
etc (B* Board)
etc (B* Board)
DC_ALERT
NG
OK
NG
OK
NG
Check
+1.8V_MAIN on
Pin 2 of IC9201
IC9201,etc
(B* Board)
Check
+5.0V_MAIN
at JL9113 / JL9112 on
the B* Board
NG
OK
IC9102 / IC9101
etc (B* Board)
TUNER Board
Change TUS/TUW
Board
OK
NG
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