REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Monday 11 March 2019

SONY KDL-40V4000 SERVICE MODE AND POWER SUPPLY CIRCUIT

SONY KDL-40V4000 SERVICE MODE AND POWER SUPPLY CIRCUIT


SONY KDL-40V4000

SERVICE MODE AND POWER SUPPLY CIRCUIT 


How to enter the Service Mode
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.
(ON SCREEN DISPLAY) >  (DIGIT 5) > (VOLUME +) > (POWER)
 3. The menu appears on the screen
4. Move to the corresponding adjustment item using the ‘ UP ’ or ‘DOWN ’ arrow buttons on the Remote Commander.
5. Press the ‘ RIGHT’ arrow button to enter into the required menu item.
6. Adjust the data value using the ‘UP ’ or ‘DOWN ’ arrow buttons on on the Remote Commander.
7. To go back at any time press the ‘Return’ button on the Remote Commander.
8. Press the ‘Menu’ button on the Remote Commander to quit the Service Mode when all adjustments have been completed.
Note : To place the Remote Commander in ‘Service Mode’ press the following buttons together for two seconds.
ON SCREEN > (DIGIT 5) > (VOLUME +)
To use the Remote Commander in ‘Service Mode’ press the rewind button on the Remote Commander twice.
TT will then appear in the bottom right hand corner of the TV.
To take the Remote Commander out of ‘Service Mode’ press the same buttons above together again for two seconds or remove thebatteries from the Remote Commander.
After carrying out the service adjustments, to prevent the customer accessing the ‘Service Menu’ switch the TV set OFF and then ON again.
POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN 
TT MODE
TT mode is available by setting the TV and Remote Commander for operation in Service Mode. The functions described below are then available by selecting the two numbers. To release the ‘TT mode’ press 00. To release the TT menu press the menu key.

00
'TT' mode off
03
Set volume to 35%
04
Set volume to 50%
05
Set volume to 65%
06
Set volume to 80%
07
Ageing mode on
08
Shipping Condition
09
WB level check
19
Factory mode toggle (on/off)
27
CBA mode toggle (ON/OFF)
31
ECS mode toggle (ON/OFF)
32
Set BCN channels preset
33
Disconnect/Connect EDID WRITE to/from I2C general bus
34
HDMI log enable/disable
39
Enable digital test
41
Re-initialise NVM
43
Select Dual Sound A
44
Select Dual Sound B
45
Select Dual Sound Mono
46
Select Dual Sound Stereo
48
Set NVM as non-virgin
49
Set NVM as virgin
51
EG1LL-GAUDI NW 40
52
EG1LL-GAUDI NW 46
53
EG1LL-GAUDI NW 52
54
Watchdog toggle
55
EG1LL-GAUDI BM 40
56
EG1LL-GAUDI BM-L 40
57
EG1LL-40L4000
59
Visual I2C toggle (VCT micro slave mode)
61
EG1LL-GAUDI NW 40 - VE Panel
62
EG1LL-GAUDI NW 46 - VE Panel
63
EG1LL-GAUDI NW 52 - VE Panel
65
EG1LL-GAUDI BM 40 - VE Panel
66
EG1LL-GAUDI BM-L 40 - VE Panel
67
EG1LL-40L4000 - VE Panel
72
VESA/JEIDA panel selection
73
HDMI number of inputs (2 or 3)
75
Set centred balance
76
Set volume to max
77
Set volume to min
78
Set balance full left
79
Set balance full right
81
Digital BER display
82
Digital Service menu
83
Digital colour bar output from DENC
84
TS CI path through
85
Digital tuner power down (Only one power cycle, default is no power down)
86
Switch between two digital SW banks
87
Local keys test
88
Digital shipping conditions (Clear tune database)
89
LED test
91
OAD enable/disable toggle
92
TS CI path through with Reed Solomon off
93
LNA Setting On/Off (toggle)
96
Digital debug output: Enable/Disable
97
Digital 656 output: Enable/Disable
98
Digital Auto Reset function: Enable/Disable
Posted By: FRANK at 02:57
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