DOWNLOAD Sony KDL-40X4500 / KDL-46X4500 / KDL-55X4500 Service Manual ↓ Size: 10.6 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-40X4500 KDL-46X4500 KDL-55X4500
Pages
127
Size
10.6 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40x4500-kdl-46x4500-kdl-55x4500.pdf
Date

Sony KDL-40X4500 / KDL-46X4500 / KDL-55X4500 Service Manual ▷ View online

- 12 -
2-13. H4 Board Removal
2-14. K2 Board Removal
To remove the H4 board disconnect the connector and then release the
clip circled and gently ease the board towards you and away from the
back of the TV set.
Clip
To remove the K2 board disconnect all connectors and then remove the
4 screws circled and ease the board gently away from the back of the
TV set.
Screws
Screw Part number(s) and Description(s)
2-580-629-01    SCREW, +BVST 3X8 (4 Screws)
2-15. AE Board Removal
To remove the AE board disconnect all connectors and then remove the
10 screws circled and ease the board gently away from the back of the
TV set.
Screws
Screws
Screw Part number(s) and Description(s)
2-580-629-01    SCREW, +BVST 3X8 (9 Screws)
2-16. Sensor Module Removal
To remove the sensor module remove the connector. Then remove the
‘holder, touch’ by releasing the 2 clips circled in Pic.1and then releasing
the 2 clips circled in Pic.2, you can then remove the the sensor module.
Pic.1
Pic.2
- 13 -
Service adjustments to this model can be performed using the
supplied remote Commander RM-ED012.
3.
The TVM Service Menu appears on the screen (See Pic.1).
Note :
After carrying out the service adjustments, to prevent the
customer accessing the ‘Service Menu’ switch the TV set OFF
and then ON.
1.
Turn on the power to the TV set and enter into the stand-by
mode.
2.
Press the following sequence of buttons on the Remote
Commander.
SECTION 3 
  SERVICE MENUS
3-1. How to enter Service Mode
i+
5
+
(ON SCREEN                            (DIGIT 5)                                (VOLUME +)                                  (TV)
   DISPLAY)
I/
TV
Pic.1
3-2. Changing TVM Data Settings
1.
Press “2 / 5” on the remote commander to select (up / down)
category (See Pic.2).
2.
Press “1 / 4” on the remote commander to select (up / down)
item (See Pic.2).
3.
Press “3 / 6” on the remote commander to select (up / down)
data (See Pic.2).
Pic.2
3-3. Writing TVM Data
1.
Press “Mute” on the remote commander. The word “SERVICE”
changes to “WRITE” (See Pic.3).
2.
Press “0” on the remote commander.
3.
After approximately 1 minute,  “WRITE” changes to
“SERVICE”. This indicates writing is complete.
Pic.3
3-4. Entering BEM Service Menu
1.
Press “Previous channel       ” on the remote commander and the
BEM menu appears (See Pic.4)
Pic.4
3-5. Changing BEM Data Settings
1.
Press “2 / 5” on the remote commander to select (up / down)
category (See Pic.5).
2.
Press “1 / 4” on the remote commander to select (up / down)
item (See Pic.5).
3.
Press “3 / 6” on the remote commander to select (up / down)
data (See Pic.5).
Pic.5
Data
Category
Data
Item
Category
Item
3-6. Writing BEM Data
1.
Press “Mute” on the remote commander. The word “SERVICE”
in green changes to “WRITE” (See Pic.6).
2.
Press “0” on the remote commander. The word “WRITE” in
green changes to red. This indicates writing is in progress
(See Pic.6).
3.
When “WRITE” changes to green “SERVICE”. This indicates
writing is complete.
Pic.6
- 14 -
3-7. Trouble  Shooting
3-7-1. No Power
When the TV Set has no power please see flowchart [A].
3-7-2. Set Reboots
When the TV Set tries to restart please check the following:-
1.
FBA board.
- CN2800 12v power and harness to G6.
- F4100, F4101, F4102, F5400, F7800, F7801
for conduction .
2.
If no problems are found with the power rail replace the
FBA board.
When the TV Set temperature is high please check the following:-
1.
Check IC1000 on the AE board and replace the AE board
if the temperature monitoring circuit has a problem.
2.
Check the panel.
3-7-3. Power Error
When the TV Set indicates a power error please check the following:-
1.
Check the TV micro pin 79 and 138 on the AE board.
2.
Check 12V at CN1000 and F1001 on the AE board.
3.
Check the G6 board.
3-7-6. Temperature  Error
When the TV Set has an audio error please check the following:-
1.
Check IC1800 on AE board. The audio amp detects over
current, thermal shutdown and/or low voltage.
2.
Check voltage at CN1002 pin 20 on the AE board.
3.
Replace the AE board.
3-7-7. Audio Error
When the TV Set has a T-Con error please check the following:-
1.
Check the BE micro pin 128 on the FBA board.
2.
Replace the panel module.
3-7-4. T-Con  Error
When the TV Set has a Back Light error please check the following:-
1.
Check the BE micro pin 78 on the FBA board.
2.
Replace the D4 board in CCFL model and GL board in LED
models.
3-7-5. Back Light Error
When the TV Set has a fan error please check the following:-
1.
Check the BE micro pin 154 on the FBA board.
2.
Check fan harness connection.
3.
Check the voltage on CN1301 the AE board.
4.
Replace the fan.
3-7-8. Fan Error
When the TV Set has a Balancer board error please check the
following:-
1.
Check the BE micro pin 163 on the FBA board.
2.
Check harness connection CN6700 on the D4 board and
CN104 on tne balancer board of panel module (40 inches).
3.
Check harness connection CN9700, CN9701 on the CB1
board and panel module (46/55 inches).
4.
Replace the panel module.
5.
Replace CB1 board (46/55 inches).
3-7-9. Balancer Error
3-8. CB1 Board Replacement (46/55 inches)
When replacing the CB1 board adjustment data held in the backlight
NVM of the panel can be copied to the CB1 board. Data held on the
CB1 board can also be copied to the panel in the case of panel
replacement.
3-8-1. Copying data from Panel to CB1 Board
1.
Enter Service Mode (See 3-1).
2.
Go in to BEM Service Mode (See 3-4) and go to
‘DATA_COPY’ (See Pic.7).
Pic.7
3.
Change ‘COPY_SW1’ to 1 and wait until the message
“ COPIED NVM TO FLASH” appears (See Pic.8).
At this point make sure the TV set is not powered off until
this message appears.
Pic.8
4.
Software has now been copied. Switch AC off and back on
again to confirm.
- 15 -
EG1H
Trouble Shooting 
Trouble
YES
Set Power
NO
Self diagnos
is
See Flow Ch
ar
[A
]
YES
NO
Audio
Video
YES
Set Re-boots
NO
See 
(3-7-2)
See Flow Ch
ar
[B
]
See Flow Ch
ar
[C
]
See Flow Ch
ar
[D
]
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