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!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Thursday, 28 March 2019

LG 3-D PLASMA TV - 50PB690V - 50PB690V-ZC - SERVICE ADJUSTMENTS

LG 3-D PLASMA TV - 50PB690V - 50PB690V-ZC - SERVICE ADJUSTMENTS

Service adjustments and SMPS – (Power Supply Regulator Board) Voltages.
PAL/SECAM BG, PAL/SECAM DK, PAL I / II, SECAM L/L’, DVB T / T2, DVB C, DVB S/S2
Albania, Austria, Belgium, Bosnia, Bulgaria, Croatia, Czech, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Kazakhstan, Latvia, Lithuania, Luxembourg, Morocco, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovenia, Spain, Sweden, Slovakia, Switzerland, Turkey, Ukraine, UK
SERVICE ADJUSTMENTS
Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test instrument.
Adjustment must be done in the correct order.
> The adjustment must be performed in the circumstance of 25 °C ± 5 °C of temperature and 65±10% of relative humidity if there is no specific designation.
> The input voltage of the receiver must keep 100~240V, 50/60Hz.
> The receiver must be operated for about 5 minutes prior to the adjustment when module is in the circumstance of over 15 °C.
> In case of keeping module is in the circumstance of 0°C, it should be placed in the circumstance of above 15°C for 2 hours.
> In case of keeping module is in the circumstance of below -20 °C, it should be placed in the circumstance of above 15 °C for 3 hours.
After RGB Full White in HEAT-RUN Mode, the receiver must be operated prior to the adjustment.
Enter into HEAT-RUN MODE
> Press the POWER ON KEY on R/C for adjustment.  OSD display and screen display PATTERN MODE.
> Set is activated HEAT run without signal generator in this mode.
> Single colour pattern (WHITE) of HEAT RUN MODE uses to check panel. Caution : If you turn on a still screen more than 20 minutes (Especially digital pattern, cross hatch pattern), an after image may be occur in the black level part of the screen.
PCB Assembly adjustment. Caution : Using ‘power on’ button of the control R/C power on TV.
MAC address D/L , CI+ key D/L ,
Widevine key D/L, ESN D/L,
HDCP14/20 D/L, DTCP(optional)
Connect: USB port
Communication Prot connection
Com 1,2,3,4 and 115200(Baudrate)
Mode check: Online Only
check the test process
DETECT > MAC > CI > Widevine > ESN > HDCP14 > HDCP20 > DTCP(Optional)
Play : Press Enter key
Result: Ready, Test, OK or NG
Printer out (MAC Address Label)

DFT Process
Depend on situation, Step can be changed.
Condition spec
Mode > RF
Volume > 0
Power Off > DC On
Tool OPTION (MANUAL)
Insert Access USB Memory Stick
Press ADJ key on R/C to insert Tool OPTION
On the “ Tool Option ”, Insert Tool Option by a number key
Press the ENTER(
)
Press ENTER(
) again.
Select “OK to Download” by using
◄/► (VOL +/-) and press (VOL +)
EDID (The Extended Display Identification Data)
HDMI [C/S: 96 71] : For 3D FHD (DTS) Models.
CheckSum & Physical Address Table. Each HDMI Input has their own physical address (on Address:9E). So, each HDMI Input has different C/S value.
SET assembly adjustment method
Caution: Each PCB assembly must be checked by check JIG set. (Because power PCB Assembly damages to PDP Module, especially be careful)
POWER PCB Assembly Voltage adjustment
(Va, Vs voltage adjustment)
Test equipment : D.M.M 1EA
Va adjustment
Connect + terminal of D. M.M. to Va pin of P811, connect - terminal to GND pin of P811.
After turning VR502, voltage of D.M.M adjustment as same as Va voltage which on label of panel right/top (deviation; ±0.5V)
Vs adjustment
Connect + terminal of D. M..M. to Vs pin of P811, connect - terminal to GND pin of P811.
After turning VR901, voltage of D.M.M adjustment as same as Vs voltage which on label of panel right/top (deviation; ±0.5V)
Adjustment of White Balance.  Required Equipment:
Remote controller for adjustment
Color Analyzer (CS-1000, CA-210 or same product : CH 10 (PDP).  Adjust CA-210 by CS-1000 before measuring
Auto W/B adjustment instrument (only for Auto adjustment)
9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B EQUIPMENT
Before Adjust of White Balance, press POWER ONLY key.
Adjust Process will start by execute RS232C Command.
Colour temperature standards according to CSM and Module.
CS-1000/CA-100+/CA-210(CH 10) White balance adjustment coordinates and colour temperature.
Change target luminance and range of the Auto adjustment
W/B equipment:  50/60R5
Target luminance > 50
Range > ±23
Manual W/B process (using adjusts Remote control)
Adjust in AV 1 MODE, Turn off Energy Saving Mode.
> Enter ‘PICTURE RESET’ on Picture Mode, and then turn off Fresh Contrast and Fresh colour in Advanced Control
> After enter Service Mode by pushing “ADJ” key,
> Enter White Pattern off of service mode, and change off -> on.
> Enter “W/B ADJUST” by pushing “” key at “3. W/B ADJUSTS”.
Gain Max Value is 192. So, never make any Gain Value over 192 and please fix one Value on 192, between R, G and B.

Auto-control interface and directions
 Adjust in the place where the influx of light like floodlight around is blocked. (Illumination is less than 10ux).
 Measure and adjust after sticking the Color Analyzer (CA- 100+, CA210) to the side of the module.
 Aging time.  After aging start, keep the Power on (no suspension of power supply) and heat-run over 5 minutes.
Serial number download & Model name D/L.
> Press "Power on" button of a service R/C.(Baud rate : 115200 bps)
> Connect RS232-C Signal Cable and start ‘Option Check Program Ver3.8’
> Scan serial Number and press ‘F5’ button.
> Check ‘OK’ on program 1) program.
> Press ‘In start’ button on SVC R/C, check Serial Number and Model Name.
> Check Tool Option and write Country Group & Area Code (Option) D/L.
PING TEST
In this case Network setting is on Manual Setting.
Connect: SET > LAN Port == PC > LAN Port.
Equipment Setting
Play the LAN Port Test PROGRAM.
Input IP set up for an inspection to Test
IP Number : 12.12.2.2
LAN PORT inspection (PING TEST)
In this case Network setting is on Manual Setting.
Play the LAN Port Test Program.
Connect each other LAN Port Jack.
Play Test (F9) button and confirm OK Message.
Remove LAN CABLE
Magic Motion Remote Controller test
Equipment: RF R/C for test,
You must confirm the battery power of RF-R/C before test (Recommend that change the battery per every lot)
Sequence (test)
If you select the ‘start key(Wheel Key)’ on the controller, you can pairing with the TV SET.
You can check the cursor on the TV Screen, when select the ‘Wheel Key’ on the controller
You must remove the pairing with the TV Set by select ‘Mute Key’ on the controller.
Wi-Fi Test
> Turn on TV
> Select ‘Network Connection’ option in Network Menu.
> Select ‘Start Connection’ Button in ‘Network Connection’.
If the system finds any AP like blow PIC, it is working well.
3D function test
Required Equipment
Pattern Generator:
MSHG-600, MSPG-6100 [SUPPORT HDMI1.4])
MODE : HDMI mode NO. 872
Pattern No.83
* Input 3D test pattern like below (HDMI mode NO. 872 , pattern No.83)
* When 3D OSD appear automatically, and then press OK button on ADJ Remote Controller.
Check the picture. The picture must be same as below.
(Don’t have to wear 3D glasses.)
LNB voltage and 22KHz tone check
Test method
1 Press "Power on" button of a service R/C.(Baud rate : 115200 bps)
2 Connect cable between satellite ANT and test JIG.
3 Connect RS232-C Signal Cable.
4 Write LNB ON control command through RS-232-C.
5 Check LED light ‘ON’ at 18V menu.
6 Check LED light ‘ON’ at 22KHz tone menu.
7 Write LNB OFF control command through RS-232-C.
8 Check LED light ‘OFF’ at 18V menu.
9 Check LED light ‘OFF’ at 22KHz tone menu.
RS-232 command for test LNB
Test result
After send LNB On command, ‘18V LED’ and ‘22KHz tone LED’ should be ON.
After send LNB Off command, ‘18V LED’ and ‘22KHz tone LED’ should be OFF.
Set Information (Serial No & Model name).  Check the serial number & Model Name
Push the menu button and press red button on R/C to enter ‘Customer Support ‘menu.
Move to ‘signal test’ menu. And check Serial No & Model Name Select the STATION > Diagnostics > To set.
SW Download Guide.
Before put a *.epk to USB Stick make ‘LG_DTV’ folder in USB. Then, put *.epk file to ‘LG_DTV’ folder and Turn on TV
> Put the USB Stick to the USB socket
> Automatically detecting update file in USB Stick.   If your downloaded program version in USB Stick is Low, it didn’t work.  But your downloaded version is High, USB data is automatically detecting.
> Show the message “Copying files from memory”
> Updating is staring.
> Updating Completed, The TV will restart automatically. After turn on TV, Please press ‘IN-STOP’ button on ADJ Remote-control.
#  IF you don’t have ADJ R/C, enter ‘Factory Reset’ in OPTION MENU.
When TV turns on, check the Updated version on Product/Service Info. MENU.
#  After downloading, have to adjust TOOL OPTION again.
PSU (SMPS) voltage check