DOWNLOAD Sony KDL-65W850A / KDL-65W855A Service Manual ↓ Size: 16.78 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-65W850A KDL-65W855A
Pages
127
Size
16.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-65w850a-kdl-65w855a.pdf
Date
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Sony KDL-65W850A / KDL-65W855A Service Manual ▷ View online

3-7-2. Light Sensor Error
Update Software
Change the UI 
setting to “:ON”
NG
Backlight doesn’t change 
when ambient lighting 
level changed
Check UI setting for light 
sensor .
Make sure it is “on”
ok
Check current Software
k
NG
Check whether harness is 
Connected on HIF2 and
ok
HSF2 Board
Connect the Harness
properly
Check whether harness is 
ok
Connected on HSF2 and
B Board
NG
ok
Change Smart Core
Problem with Smart Core
HSF2 or HIF2 
or HSF2-HIF2 harness
OK
Change B* Board
NG
Change 
HSF2 B* b
d H
HSF2-B* board harness 
OK
Change B  Board
NG
HSF2-B* board Harness
problem
113
RB1G
CHASSIS
W850/855A
Troubleshooting
RB1G
CHASSIS
W850/855A
Troubleshooting
3-8.  IR Remote Commander Malfunction
IR do not response to 
Remote Commander
Check remote
control
Change remote 
control
Center white LED
light at power 
indicator
OK
NG
OK
NG
OK
NG
Check whether center 
white LED blink ,when using
commander near the sensor 
windows
ok
Change SmartCore (mechanical)
NG
Check harness 
connection is OK 
on HIR and HSC
Loose harness
NG
Loose harness 
connect properly
Problem with Smart Core
HSC or HIR 
or HSC-HIR harness
Check harness 
connection is OK 
on HSC and 
B*Board
ok
NG
OK
OK
Change SmartCore
B Board
Change 
HSC B* b
d H
NG
HSC-B* board harness
OK
HSC-B* board Harness
HSC B  board harness 
problem
NG
Change B* Board
(*)
Size
B* Board Type G* Board Type
114
65”
BA2SC G6&G7B
RB1G
CHASSIS
W850/855A
Troubleshooting
3-9. Light Sensor Error
Update Software
Change the UI 
setting to “:ON”
(*)
Size
B* Board Type G* Board Type
65”
BA2SC
G6&G7B
Backlight doesn’t change 
when ambient lighting 
Check UI setting for light 
sensor .
OK
Check current Software
g
NG
65
BA2SC 
G6&G7B
g
g
level changed
Make sure it is “on”
NG
Check whether harness is 
OK
Connected on HIR and
HSC Board
Connect the Harness
properly
OK
Check whether 
harness is 
Connected on HSC 
and B* Board
NG
OK
OK
Change Smart Core
Problem with Smart Core
HSC or HIR 
or HSC‐HIR harness
OK
Change B* Board
NG
Change 
HSC-B* board Harness
HSC‐B* board harness 
problem
OK
115
NG
problem
RB1G
CHASSIS
W850/855A
Troubleshooting
3-10. Network Malfunction: Ethernet (Wired)
[Network Set-up]
[Wi
d S t
]
(*)
Size
B* Board Type G* Board Type
65”
BA2SC G6&G7B
>[Wired Set-up]
on the TV
Connection Results
OK
Connection Results
Connection Results
I
A
OK
B* board
OK
Note: 
(AYU2)
IC9000
Cable Connection
Proxy setting
Local Access
Internet Access
Failed
Failed
Failed
Wired Set-up
Auto
Check
Local router
Check cable
B* board
OK
B  board
(AYU2) – IC9000
(Brownie)- IC9001
Ethernet Cable
IP address setting
Local router
DHCP server
Manual
Check IP address
&
Check cable
B  board
NG
&
Local router setting
B* Board
Ch
k Pi 7 10
Check Pin 11
Check Pin 16 17
Check Pin 
(TX)12 13
CHK2
CHK3
CHK4
CHK5
Check LED of 
Router/Ether hub
blinking ?
Ether PHY
Power
PHY control
MDIO Interface
Ether PHY
IC6301
Yes
OK
OK
PHY data comm.
RMII Interface
OK
Ether PHY
REFCLK
OK
Check Pin 7 , 10 
At IC6301
Check Pin 11
At IC6301
Check Pin 16,17
At IC6301
(TX)12,13,
(RX) 8,9,
CHK1
blinking ?
Ethernet 
Connector or Trans
Power, Reset
AYU2 MDIO I/F
No
NG
NG
PHY Strap 
Configuration
NG
AYU2 REFCLK
NG
TX+/-, RX+/-
116
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