Monday 8 August 2022

LG 32LK610BPUA, LG 32LK610BBUA LCD TVs – How to upgrade the software, fault checking method

 

Software update procedure

USB
(1) Insert the USB memory Stick to the USB port
(2) Automatically detect the SW Version and show the below message.

(3) Click [YES]: initiate the download and install of the update.

(4) Click [Check Now]: move to “About This TV” page for update
(5) TV is updating.

(6) After finished the update, below Pop-up appear.

(7) Click [Yes] : TV will be DC OFF -> ON
(8) After TV turned on, Check the updated SW Version and Tool Option.

NSU
(This Function is needed to connect to the internet)
(1) Menu ->All Settings -> General -> About This TV

(2) Click [CHEK FOR UPDATES] : system check newest version.

(3) Click [DOWNLOAD AND INSTALL]
(4) TV is updating.

(5) After finished the update, below Pop-up appear.

(6) Turn OFF the TV and On. Check the updated SW Version and Tool Option

A video error: No video/Normal audio

Check LCD back light with naked eye

After turning on the power and disassembling the case, check with the naked eye, whether you can see light from locations.

Video error-No video/Normal audio. Check White Balance value

For all models

Entry method
1. Press the ADJ button on the remote control for adjustment.
2. Enter into White Balance.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD

Video error-Video error, video lag/stop

TUNER input signal strength checking method. All models

Video error-Video error, video lag/stop

Version checking method

Checking method for remote control for adjustment

Video error-Video error, video lag/stop

TUNER checking part

Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
2. After measuring each voltage from power supply, finally replace the MAIN BOARD.

Video error _Vertical/Horizontal bar, residual image, light spot

Connection diagram.

As the part connecting to the external input, check the screen condition by signal.

Video error-Color error

Check Link Cable (LVDS) reconnection condition

Check the contact condition of the Link Cable, especially dust or  mis-insertion. 


Monday 13 June 2022

Sony HCD-RV222D - RV222DL - RV333D - RV333DL - RV555D - DVD Deck Receiver –How to enter the service mode, error codes

 

Never reuse a disconnected chip component.
Notice that the minus side of a tantalum capacitor may be damaged by heat.

The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens.

DVD Mechanism Type:  CDM74HFV-DVBU101

Optical Pick-up Name:  KHM-313CAB

Tape Transport Mechanism Type:  CWP42FF603

HCD-RV222D-RV222DL-RV333D-RV333DL-RV555D are the tuner, deck, DVD and amplifier section in MHC-RV222D-RV222DL-RV333D-RV333DL-RV555D.

[COLD RESET]
The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer.
Procedure:
1. Press the [POWER] button to turn the power ON.
2. Press three buttons of [POWER], [PRESET EQ] and [DISC 3] simultaneously.
3. The message “RESET” is displayed on the LCD display momentarily, then becomes standby states.

[TUNING STEP CHANGE] (E3, PH, SP models)
A step of AM tuning interval can be changed over between 9 kHz and 10 kHz.
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [TUNER/BAND] button to select “AM”.
3. Press the [POWER] button to turn the power off. When the set is in the ECO mode at that time, any later operations are invalid.  These operations should be performed either in the DEMO mode or while the clock is displayed.
4. Press the [POWER] button while pressing the [>  >> /TUNING +] button.
5. The message “AM 9K STEP” or “AM 10K STEP” is displayed on the LCD display, and thus the channel step is changed over.

[DVD SHIP MODE]
This mode moves the optical pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair.
Procedure:
1. Ensure that no disc is placed in the DVD tray.
2. Press the [POWER] button to turn the power on.
3. Press the [DVD] button to select “DVD”.
4. Press two buttons of [>] and [POWER] simultaneously.
5. The message “LOCK” is displayed on the LCD display, and the DVD ship mode is set.
6. To release from the mode, disconnect the AC plug to turn the power off.

[DVD SHIP MODE & COLD RESET]
This mode is used to perform DVD ship (lock) mode and cold reset simultaneously.
Procedure:
1. Ensure that no disc is placed in the DVD tray.
2. Press the [POWER] button to turn the power on.
3. Press the [DVD] button to select “DVD”.
4. Press three buttons of [STOP], [ENTER] and [POWER] simultaneously.
5. The message “RESET” is displayed on the LCD display momentarily, then becomes standby states.
6. To release from the mode, disconnect the AC plug to turn the power off.

[CHANGE-OVER FUNCTION OF SAT/VIDEO]
This mode is used to enable function of external input to change over between SAT and VIDEO.
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press two buttons of [VIDEO/SAT] and [POWER] simultaneously.
3. The message “SAT” or “VIDEO” is displayed on the LCD display, and the function of external input is changed over.

[DVD COLOR SYSTEM CHANGE]
(E3, PH, SP, EA models)
Color system change to video signal format (NTSC/PAL).
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [FUNCTION] button to set the function “DVD”.
3. Press the [POWER] button to turn the power off. When the set is in the ECO mode at that time, any later operations are invalid.  These operations should be performed either in the DEMO mode or while the clock is displayed.
4. Press the [POWER] button while pressing the [PAUSE] button.
5. The display of LCD display changes to “COLOR PAL” or “COLOR NTSC”.

 [DVD TRAY LOCK MODE]

This mode is used to unable to take sample disc out of tray in the shop.
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [DVD] button to select “DVD”.
3. Set disc on the DVD tray, press two buttons of [STOP] and [EJECT] for 5 seconds.
4. The message “LOCKED” is displayed on the LCD display and the DVD tray is locked. (Even if pressing the [EJECT] button, the message “LOCKED” is displayed on the LCD display and the DVD tray is locked)
5. To release from this mode, press two buttons of [STOP] and [EJECT] for 5 seconds.
6. The message “UNLOCKED” is displayed on the LCD display and the DVD tray is unlocked.

Service mode

[DVD SERVICE MODE]
GENERAL DESCRIPTION
The IOP measurement allows you to make diagnosis and adjustment simply by using the remote commander and monitor TV. The instructions, diagnosis results, etc. are given on the on-screen display (OSD).
Be sure to execute the IOP measurement when a BU (Base Unit) is replaced.

HOW TO ENTER TEST MODE
While pressing the [STOP] and [EJECT] buttons simultaneously, turn [VOLUME] control in the direction of (+) with the DVD player in power on.
The Test Mode starts, displayed “SERVICE IN” on this model display then the menu shown below will be displayed on the TV screen.
* The display of the “Model Name” of the “Remocon Diagnosis Menu” change with the model and the destination. Refer to below on the model name.
RV222D/RV222DL : RV0D
RV333D/RV333DL : RV2DS
RV555D : RV1D


The menu above is the Remocon Diagnosis Menu screen which consists of five main functions. At the bottom of the menu screen, the model name and IF-con version. To exit from the Test Mode, press the [POWER] button on the remote commander.

EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard procedures must be followed.
(1) In power on, while pressing the [STOP] and [EJECT] buttons simultaneously, turn the [VOLUME] control in the direction of (+).



Emergency history and Error code

From the Top Menu of Remocon Diagnosis Menu, select “3.
Emergency History Check” by pressing the [3] button on the remote commander. The following screen appears on the onscreen display.

(2) You can check the total time when the laser is turned on during
playback of DVD and CD from the above menu. The maximum time, which can be displayed are 999h 59min.

(3) You can check the error code of latest 10 emergency history from the above menu. To view the previous or next page of emergency history, press [|<< ] or [>>| ] button on the remote commander. The error code consists of the following three blocks. The first block indicates the error code. The second block indicates the parameter and the third block indicates the time of error code as shown below.


The meaning of error code is as below:
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 Changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33: TE sensor adjustment error
34: TE loop gain adjustment error
35: FE loop gain adjustment error
36: Bad jitter after adjustment
40: Focus NG
42: Focus layer jump NG
51: Spindle stop error

52: Open kick spindle error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type

Clear the Laser Hour, Clear the Emergency history and Clear the initialize set-up data


Return to the Top Menu of Remocon Diagnosis Menu
Press [0] button on the remote commander.
CHECK VERSION INFORMATION
To check the version information, please follow the following procedure.
(1) From the Top Menu of Remocon Diagnosis Menu, select “4.
Version Information” by pressing the [4] button on the remote commander. The following screen appears on the on-screen display.

To return to the Top Menu of Remocon Diagnosis Menu, press [0] button on the remote commander.


[TCM OFF LINE]
With the TC mechanism offline, the power can be turned on.
Procedure:
1. Press the [POWER] button to turn the set off.
2. Press three buttons of [REC TO TAPE], [DISC 3] and [POWER] simultaneously.
3. The message “TC OFFLINE” appears on the LCD display for a moment and the system power is turned on.
4. To exit from this mode, press the [POWER] button to turn the set off.
[DVD OFF LINE]
With the CDM offline, the power can be turned on.
Procedure:
1. Press the [POWER] button to turn the set off.
2. Press three buttons of [GROOVE], [DISC 1] and [?/1] simultaneously.
3. The message “DVD OFFLINE” appears on the LCD display for a moment and the system power is turned on.
4. To exit from this mode, press the [POWER] button to turn the set off.


Thursday 3 March 2022

PHILIPS 06AH795, Philips 06AH787, Philips Combi Nado 06AH987 – Schematic

 



Philips 06AH795 SCHEMATIC

Philips 06AH787 SCHEMATIC

Combi Nado 06AH987 SCHEMATIC


Sunday 13 February 2022

Philips Home Theatre BD Player. HTB5570D – service mode, software upgrade, power board and amplifier board circuit diagram, connector voltages

 

Media formats: AVCHD, BD, BD-R/ BD-RE, BD-Video, DVD-Video, DVD+R/+RW, DVD-R/-RW, DVD+R/-R DL, CD-R/CD-RW, Audio CD, storage device

Be careful during measurements in the live voltage section. The primary side of the power supply, including the heat sink, carries live mains voltage when you connect the player to the mains (even when the player is “off”!). It is possible to touch copper tracks and/or components in this unshielded primary area, when you service the player. Service personnel must take precautions to prevent touching this area or components in this area. A “lighting stroke” and a stripe-marked printing on the printed wiring board, indicate the primary side of the power supply.
. Never replace modules, or components, while the unit is “on”.

Software Upgrade
1. There are 2 ways to software upgrade:
First:
Upgrade from USB:
Copy the upgrade file HTD5510_X X.BIN to USB then press the USB key on RC or SOURCE key on front panel.
When upgrade file detected, select "Yes" to upgrade, select "Cancel" to cancel.
After upgrading begins, a message “DO NOT POWER OFF” will show, or the product will hang up and upgrading failed.
Second:
Upgrade from Disc:
Copy the upgrade file HTD5510_X X.BIN to disc then read the disc.
When upgrade file detected, select "Yes" to upgrade, select “Cancel “to cancel.
After upgrading begins, a message “DO NOT POWER OFF” will show,  or the product will hang up and upgrading failed.
2. Check the version information after upgraded.
Press the setup key on RC , select Preference Setup, and then Version info , press OK Key you will see a interface below:

Power board circuit diagram

Amplifier board circuit diagram

 

Amplifier board circuit diagram SL AND SW

Amplifier board circuit diagram DSP

Connector voltages



LG 32LK610BPUA, LG 32LK610BBUA LCD TVs – How to upgrade the software, fault checking method

  Software update procedure USB (1) Insert the USB memory Stick to the USB port (2) Automatically detect the SW Version and show the bel...