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Model
KDL-60W840B KDL-60W850B KDL-60W855B KDL-60W857B KDL-60W858B KDL-70W830B KDL-70W840B KDL-70W850B KDL-70W855B KDL-70W856B KDL-70W857B
Pages
48
Size
4.61 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-60w840b-kdl-60w850b-kdl-60w855b-kdl-60w857b-kd.pdf
Date
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Sony KDL-60W840B / KDL-60W850B / KDL-60W855B / KDL-60W857B / KDL-60W858B / KDL-70W830B / KDL-70W840B / KDL-70W850B / KDL-70W855B / KDL-70W856B / KDL-70W857B Service Manual ▷ View online

RB2G
CHASSIS
W830B/ W840B/ W850B/  W855B
W856B/ W857B
Troubleshooting
3-9. 3D-Glasses(Active) malfunction
*(2) BT Active 3D glasses doesn’t work
<2 8V
Replace to New Battery and try again.
(use CR2025 only.)
Check 3D-Glasses 
Battery voltage is  
>2.8V?
<2.8V
Restart TV. Power-off 3D-Glasses 
and TRY registration again with 
50cm distance.
Registered
Interference from other 
devices.
Check if 2.4GHz devices are used or not?(ex. 
WiFi, other bluetooth devices, microwave, 
cordless phone,....)
Cannot Register
Check another 3D-Glasses and 
re register
NG
Change to another 
environment and try
NG
Confirm BT (Bluetooth) malfunction
trouble shooting flow
re-register.
OK
environment and try 
registration again.
OK
trouble shooting flow. 
3D-Glasses  NG.
Very strong interference on that spot.
25
RB2G
CHASSIS
W830B/ W840B/ W850B/  W855B
W856B/ W857B
Troubleshooting
3-10. Wireless Network malfunction
1) Internal Wireless Network malfunction
1) Internal Wireless Network malfunction
Wireless Network
on the TV
From *1
OK
Check harness 
connection is OK 
Loose harness
NG
Connect 
l
Is the radio field 
Strength too weak
or even No 
signal?
BAX Board
Error Message appear
when the Wireless 
Network is selected?
No
No
between WiFi and BAX
Loose harness
OK
properly
Change 
Wi-Fi module
NG
NG
Change 
BAX board
NG
Change harness
between BAX
b
d
d WiFi
Access Point
Hardware defect 
suspected.
Go to the next
Yes
Yes
*1
Change WiFi module
NG
OK
Wi Fi module
BAX board
Wi-Fi module
OK
board and WiFi
Main Harness
OK
OK
WiFi module
If Wi-Fi malfunction happens, 
•
Wi-Fi module
•
Harness between WiFi and BAX
•
BAX board are suspected.
26
RB2G
CHASSIS
W830B/ W840B/ W850B/  W855B
W856B/ W857B
Troubleshooting
3-11.Bluetooth malfunction
Touch pad Remote doesn’t work
Or
001 OP
000 VERS
Or
One touch remote doesn’t work
Or
3D-glasses (Active) doesn’t work
<MAIN>
<EXT>
DM0.001JPA
WF: 3.0.0.1021
WF0.300W00AA   WF: --------
DF2.070W00AA
FD: 0.003
YM0.619W00AA
BT: 
M4.922C
1.2.14.848
Confirm
Touch pad Remote malfunction trouble shooting flow
Or
One touch remote doesn’t work
Or 
*(2) 3D-glasses (Active) malfunction trouble shooting flow
BT version check
in Service Menu
Ver info.
can be read
(DM0.0J00AA)
DD0.320W00AA
PK0.320W00AA    EFR:-----------
AM0.030JP
MID: 04A3B50F
PID 0F051040
BT Version info.
OK
Check harness 
connection is OK between
Loose harness
NG
Connect properly
Ver = --------
PID: 0F051040
PNL:
DQ3Y400LN0101
connection is OK between 
BT and BAX
OK
G
NG
Change BT module
NG
Change BAX board
OK
If Bluetooth malfunction happens
Change harness
Between BAX board
and BT
OK
NG
BT module
If Bluetooth malfunction happens, 
•
BT module
•
Harness between BT module and Bxx
•
Bxx board are suspected.
Main Harness
27
RB2G
CHASSIS
W830B/ W840B/ W850B/  W855B
W856B/ W857B
SECTION 4
SERVICE ADJUSTMENTS
4-1. Accessing Service Mode
1) Go to TV standby condition  by remote commander.
2) Press “i+ (info)”, “5”, “Volume +” then “TV power” on remote.
3)
You can see Service Mode on display.
1.  Change Data of 
“Chassis” or “VPC” service mode
a.
Press “2 / 5” on remote to select (up / down) category.
b
Press “1 / 4” on remote to select (up / down) Item
4-3.  Change Data by Service Mode 1 (Part A)
* The above operation should be finished within 15 seconds after the set go to STBY 
mode
TV Power
4
b.
Press  1 / 4  on remote to select (up / down) Item.
c.
Press “3 / 6” on remote to change (up / down) data.
Press 2: increment
Press 5: decrement
DIGITAL                  SERVICE
001 OP
000 VERS            ---
(i+)
(5)
1
2
CHASSIS
SERVICE
000
WYVERN
000
S2_NOISE_TH     32
Press 1: increment
Press 3: increment
a
b
c
<MAIN>            <EXT>
DM0.270EUA        WF:3.5.3.9999
WF0.190W00AA      WF:--------
DF5.091W00AA      FD:-.---
YM1.212W00AA      BT:
M5 426C
2 1 14 413
Remote Commander
(5)
2
3
Press 1: increment
Press 4: decrement
Press 3: increment
Press 6: decrement
CHASSIS Service menu
M5.426C
2.1.14.413
(DM0.270EUA)        
DD0.181W00AA      EFR:-----------
PK0.181W00AA
AM0.270WW
MID:2A11A30E
PID:0E048040
Remote Commander
Screen Sample
4-2. Transition of Each Micro’s Service Mode
1
Fi t f ll
h
t
S
i
M d
Save Changing Data by Service Mode 1
2.
Write data for 
“Chassis” or “VPC” service mode.
a.
Press “Mute” on remote. 
It shows green “SERVICE” changes to  green 
PID:0E048040
PNL:
LC550EUF-FGF1-00
OPTIONS
1.
First of all, when you enter Service Mode,  you can 
see “Digital” service mode.
2.
Whenever you press “OPTIONS” on remote, service 
mode is changed according to the flow below:
“WRITE”.
b.
Press “0” on remote. Green “WRITE” changes to 
red “WRITE”. It indicate writing is processing.
c.
After a while, red “WRITE” changes to green 
“SERVICE”. Writing process is done at this point. 
3
TV reboot is necessary for applying data change
OPTIONS
Part A
“Chassis” & “VPC”
Digital” -> “Chassis” ->  “VPC”
CHASSIS
WRITE
000
WYVERN
000
S2_NOISE_TH     32
a
b
3.
TV reboot is necessary for applying data change.
28
Part B
“Digital” service mode
Remote Commander
CHASSIS Service menu
Remote Commander
Page of 48
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