Sony KDL-55W950B / KDL-55W955B / KDL-55W957B / KDL-65W950B / KDL-65W955B Service Manual ▷ View online
RB2G
CHASSIS
W950B/ W955B/ W957B/ M25B
7
Safety Notes
1-7. Lead Free Information
The circuit boards used in these models have been processed using Lead
Free Solder. The boards are identified by the LF logo located close to the
board designation.
Free Solder. The boards are identified by the LF logo located close to the
board designation.
Figure 4: LF Logo
Figure 5: LF logo on circuit board
The servicing of these boards requires special precautions. It is strongly
recommended to use Lead Free Solder material in order to guarantee optimal
quality of new solder joints.
recommended to use Lead Free Solder material in order to guarantee optimal
quality of new solder joints.
1-8. Handling the FLEXIBLE FLAT CABLE (FFC)
When you insert / pull out FFC, please grasp a reinforcement board and main
body of FFC.
Main Board
Main Board
Please hold reinforcement board and
plunge it to depths.
plunge it to depths.
Please pull out FFC while pushing the
button of both ends at the same time.
button of both ends at the same time.
< Insertion>
Release Button
of Connector
FFC connector broken if pull out FFC
without press and hold both Release
Button of connector. Symptom 5X blinking
will be appear due to improperly seated.
without press and hold both Release
Button of connector. Symptom 5X blinking
will be appear due to improperly seated.
<Pull out>
RB2G
CHASSIS
W950B/ W955B/ W957B/ M25B
频道
+
频道
-
主菜单
SECTION 2
SELF DIAGNOSTIC FUNCTION
2-1. Overview of Control Buttons
8
Self Diagnostic Function
2-1-1. (EXCEPT CHINA)
2-1-2. (CHINA)
INPUT SELECT /
SELECT/ CONFIRM
Press to select the next or
previous channel.
In TV Home Menu: buttons
will work as (select/confirm)
SELECT/ CONFIRM
Press to select the next or
previous channel.
In TV Home Menu: buttons
will work as (select/confirm)
+/- (Channel) / / ,
+/- (Volume) / / .
Press to select the next or
previous channel.
Press to adjust the volume.
In TV Home Menu: buttons
will work as , , , .
+/- (Volume) / / .
Press to select the next or
previous channel.
Press to adjust the volume.
In TV Home Menu: buttons
will work as , , , .
频道
Power
Turn the TV on or switch to standby mode
Turn the TV on or switch to standby mode
Press to display
the TV Home Menu.
主菜单
TV CONTROLS/ TERMINALS/ INDICATOR
FRONT
Sensors /illumination/Microphone
(Remote control sensor/
Light sensor/Built in Microphone)
(Remote control sensor/
Light sensor/Built in Microphone)
REAR OF TV
HOME
Press to display
the TV Home Menu.
Press to display
the TV Home Menu.
Power
Turn the TV on or switch to standby mode
Turn the TV on or switch to standby mode
INPUT SELECT /
SELECT/ CONFIRM
Press to select the next or
previous channel.
In TV Home Menu: buttons
will work as (select/confirm)
SELECT/ CONFIRM
Press to select the next or
previous channel.
In TV Home Menu: buttons
will work as (select/confirm)
TV CONTROLS/ TERMINALS/ INDICATOR
FRONT
Example
Illumination lights up or blinks in different
colours according to the status of the TV
( details refer to 2-2. LED Display Control)
colours according to the status of the TV
( details refer to 2-2. LED Display Control)
CH+/- (Channel) / / ,
+/- (Volume) / / .
Press to select the next or
previous channel.
Press to adjust the volume.
In TV Home Menu: buttons
will work as , , , .
+/- (Volume) / / .
Press to select the next or
previous channel.
Press to adjust the volume.
In TV Home Menu: buttons
will work as , , , .
REAR OF TV
Built in Camera
Sensors /illumination/Microphone
(Remote control sensor/
Light sensor/Built in Microphone)
(Remote control sensor/
Light sensor/Built in Microphone)
Example
Illumination lights up or blinks in different
colours according to the status of the TV
( details refer to 2-2. LED Display Control)
colours according to the status of the TV
( details refer to 2-2. LED Display Control)
Built in Camera
RB2G
CHASSIS
W950B/ W955B/ W957B/ M25B
Status
White Center
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
9
Self Diagnostic Function
2-4. Standby LED Error Display
2-2. LED Display Control
When safety shutdown occurs, Standby LED display reports the cause by using the lightning
patterns as indicated below
patterns as indicated below
.
3.0sec
3.0sec
0.5sec
0.5sec
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.
2-3. LED Pattern
Smart Core
RED LED
blinking count
Detection Items
Board Error Item
2x
Main 12V failure [MAIN_POWE]
* This failure is not saved
G** Board Error
BAX Board Error
BAX Board Error
3x
Main 5.0/3.3/1.8/1.0/ 1.1V failure [DC_ALERT]
* 5.0/1.0V failures are not saved.
BAX Board Error
Audio amp. protection [AUD_ERR]
BAX Board Error
Speaker
Speaker
HDMI equalizer/switch I2C NACK [HDMI_EQ] * There is
Temp. sensor on the same I2C bus.
Temp. sensor on the same I2C bus.
BAX Board Error
Tuner or demodulator I2C NACK [TU_DEMOD]
BAX Board Error
AFE device I2C NACK [AFE_I2C]
BAX Board Error
AFE device error SPI NACK [AFE_SPI] * only for AEP,CH
BAX Board Error
4x
LED driver failure [LD_ERR]
LED Driver (LD) Board Error
Panel module
Panel module
LED voltage error [VLED]]
LED Driver (LD) Board Error
Panel module
Panel module
5x
Panel ID EEPROM I2C NACK (Also panel power failure is
a suspect) [P_ID_ERR]
a suspect) [P_ID_ERR]
Panel module
Tcon board
G** Board Error
BAX Board Error
Tcon board
G** Board Error
BAX Board Error
6x
Backlight failure [BACKLIGHT]
Panel module
G** Board Error
BAX Board Error
G** Board Error
BAX Board Error
Backlight converter OVP [BACKLIGHT]
Panel module
Tcon board
G** Board Error
BAX Board Error
Tcon board
G** Board Error
BAX Board Error
7x
Over temperature protection [TEMP_ERR]
Temp. sensor I2C NACK [TEMP_ERR] * There is HDMI Eq
on the same I2C bus.
on the same I2C bus.
BAX Board Error
8x
Software Error (Also the main board’s memory or CAM
module is a suspect)
module is a suspect)
BAX Board Error
9x
Tuner Board Error [TU_BOARD]
Tuner Board Error
Size
G* Board Type
55”
G1A
65”
G2A
RB2G
CHASSIS
W950B/ W955B/ W957B/ M25B
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
BAX 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
H* Board
l
l
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
Size
G* Board Type
55”
G1A
65”
G2A
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