Sony KDL-32R410B / KDL-32R413B / KDL-32R415B / KDL-32R420B / KDL-32R423B / KDL-32R424B / KDL-32R425B / KDL-32R427B / KDL-32R428B / KDL-32R430B / KDL-32R433B / KDL-32R435B / KDL-32RM5B / KDL-40R450B / KDL-40R453B / KDL-40R455B / KDL-40R470B / KDL-40R473B / KDL- Service Manual ▷ View online
ITC3
CHASSIS
R410/412/413/420/422/423/424/425/426/427/428/430/433/435/
450/453/455/470/472/473/475/477/478/480/483/485/M5/M10B
3 10 Ethernet
Check if TV has good
cable connection
Set-up
Network setup
OK
3-10. Ethernet
3-10-1. General
3-10-1. General
Ch
k if
b
l
OK
Yes
p
p
Failed
Check if the Ethernet
cable is good
Check if any abnormal
or broken point on
Ethernet Connector
OK
Connector NG
Change B Board
No
NG
Check if TV has MAC Address
Set-up
Network setup
T7000 or Main IC NG
Change B Board
Yes
No
Change a good cable
G
No
Invalid MAC Address
Change B Board
Size
B* Board Type
PAN ASIA, CHINA EUROPE, AMERICA
B*Board Type:
49
28”
-
BIL
32”
BIS
BIL
40”
BIS
BIL
48”
BIS
BIL
Troubleshooting
ITC3
CHASSIS
R410/412/413/420/422/423/424/425/426/427/428/430/433/435/
450/453/455/470/472/473/475/477/478/480/483/485/M5/M10B
3 11 IR
TV cannot be controlled
by remote commander
TV cannot be controlled
by remote commander
3-11. IR
OK
Green LED light
at Power LED indicator
Green LED light
at Power LED indicator
Green LED blinks at Power indicator
when using commander
’
i d
Green LED blinks at Power indicator
when using commander
’
i d
OK
Mechanical
(ex. Bezel, Guidelight)
NG
near sensor’s window
near sensor’s window
NG
Confirm Harness connection
OK on B-Board and HIL Board
Confirm Harness connection
OK on B-Board and HIL Board
Harness loose connection
OK
Change Harness
Change Harness
Harness NG
NG
NG
OK
NG
Change HIL board
Change HIL board
HIL board NG
OK
Size
B* Board Type
PAN ASIA, CHINA EUROPE, AMERICA
B*Board Type:
Change B-board
50
28”
-
BIL
32”
BIS
BIL
40”
BIS
BIL
48”
BIS
BIL
Troubleshooting
ITC3
CHASSIS
R410/412/413/420/422/423/424/425/426/427/428/430/433/435/
450/453/455/470/472/473/475/477/478/480/483/485/M5/M10B
3 12 S itch Unit B ttons
Switch Unit NOT FUNCTIONING
Switch Unit NOT FUNCTIONING
*VOLTAGE LEVEL FOR EACH PRESSED BUTTON
3-12. Switch Unit Buttons
NG
Check Wire Harness
A d C
t
Check Wire Harness
A d C
t
Change Wire Harness
VOLTAGE LEVEL FOR EACH PRESSED BUTTON
KEY
Voltage
(average)
Voltage range
-
0.000
0.00000 – 0.82353
OK
And Connector
Connectivity?
And Connector
Connectivity?
g
And connect properly
+
1.114
0.83451 – 1.37255
CH/Input
1.693
1.383529 – 2.03137
No Input
2.420
2.04235 – 2.80000
Check 3.3V
in Pin2, CN1
(Switch Unit)
Check 3.3V
in Pin2, CN1
(Switch Unit)
NG
Check 3.3V in Pin 7,
CN9900 on
B-board
Check 3.3V in Pin 7,
CN9900 on
B-board
OK
Change Switch Unit
NG
*Check
Pin 1 Voltage Level
*Check
Pin 1 Voltage Level
OK
g
in CN1
g
in CN1
OK
NG
Size
B* Board Type
PAN ASIA, CHINA EUROPE, AMERICA
B*Board Type:
Change B-board
NG
51
28”
-
BIL
32”
BIS
BIL
40”
BIS
BIL
48”
BIS
BIL
Troubleshooting
ITC3
CHASSIS
R410/412/413/420/422/423/424/425/426/427/428/430/433/435/
450/453/455/470/472/473/475/477/478/480/483/485/M5/M10B
3 13 Wifi
3 13 Wifi
START
3-13. Wifi
3-13-1. Wifi Module
3-13-1. Wifi Module
Turn On WiFi
Turn On WiFi
3-13. Wifi
3-13-2. Turn On Wifi
3-13-2. Turn On Wifi
Turn On WiFi
Turn On WiFi
TV UI:
TV UI:
Does WiFi function
turned on at TV?
Open Detail
- Turn On WiFi
TV UI:
HOME -> SETTINGS ->
SYSTEM SETTING ->
SETUP -> Wi-Fi SETUP ->
Wi-Fi DIRECT
TV UI:
HOME -> SETTINGS ->
SYSTEM SETTING ->
SETUP -> Wi-Fi SETUP ->
Wi-Fi DIRECT
WiFi Direct Setting
OK
Device Can
Open Detail
Open Detail
NG
Be Connected?
Open Detail
- Hardware Defect
Open Detail
-Hardware Defect
END
52
Troubleshooting
Click on the first or last page to see other KDL-32R410B / KDL-32R413B / KDL-32R415B / KDL-32R420B / KDL-32R423B / KDL-32R424B / KDL-32R425B / KDL-32R427B / KDL-32R428B / KDL-32R430B / KDL-32R433B / KDL-32R435B / KDL-32RM5B / KDL-40R450B / KDL-40R453B / KDL-40R455B / KDL-40R470B / KDL-40R473B / KDL- service manuals if exist.