Friday, October 31, 2014

PHILIPS 42PFL5604-77 - SERVICE MODE – ERROR CODES [LED Blinking codes] Details

APPLICABLE TO _ PHILIPS 32PFL5604-78__ PHILIPS 32PFL5604-77__ PHILIPS 42PFL5604-77 - SERVICE MODE – ERROR CODES [LED Blinking codes] Details.
SERVICE MODES
Note: For the new model range, a new remote control (RC) is used with some renamed buttons. This has an impact on the activation of the Service modes. For instance the old “MENU” button is now called “HOME” (or is indicated by a “house” icon).  Service Default mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Mode (CSM) is used for communication between the call centre and the customer.  This chassis also offers the option of using ComPair, a hardware interface between a computer and the TV chassis. It offers the abilities of structured troubleshooting, error code reading, and software version read-out for all chassis.
SDM [Service Default Mode]
To start the blinking LED procedure where only layer 2 errors are displayed.
TO ACTIVATE THE SDM
Use the standard RC-transmitter and key in the code “0 6 2 5 9 6”, directly followed by the “MENU/HOME” button. After activating this mode, “SDM” will appear in the upper right corner of the screen (when a picture is available).
TO NAVIGATE THROUGH SDM
When the “MENU” (or HOME) button is pressed on the RC transmitter, the set will toggle between the SDM and the normal user menu (with the SDM mode still active in the background).
TO EXIT THE SDM
Switch the set to STAND-BY via the RC-transmitter.
SAM [Service Alignment Mode]
1.To perform (software) alignments.
2. To change option settings.
3. To easily identify the used software version.
4. To view operation hours.
5. To display (or clear) the error code buffer.
To activate SAM
Via a standard RC transmitter: key in the code “0 6 2 5 9 6” directly followed by the “ i/I NFO” button.
Contents of SAM
Syst. Info. Giving overview of: – Op. Hours. During the life time cycle of the TV, a life time is kept. It counts the normal operation hours, not the Stand-by hours. The actual value of the life timer is displayed in SAM in decimal value. For every two startups the counter increases by one. Min. 5 digits are displayed in decimal digits. In detail:
* Every 2x cold start-ups, to display a picture, increases the counter by 1 (i.e. interrupt the mains supply 2x while the set is ON).
* Every 2x warm start-ups (from Stand-by), to display a picture, increases the counter by 1.
* Every hour of normal operating increases the counter by 1 (i.e. if a set is continue ON for 2 hours, then increase the counter by 2).
* Stand-by hours are NOT counted.
Main SW ID. > Displays the loaded main SW version.
Error Clear Codes. 
When “arrow right” is pressed and then the “OK” button is pressed, the error buffer is reset.
* Options. Choosing the CTN will set the options, see also
* RGB Align. This will activate the alignments sub-menu.
* NVM Editor. This will give the opportunity to directly change values in the NVM by selecting the address and value. Use decimal values.
NVM Copy. For easy transfer of NVM settings:
> Copy to USB. To upload several settings from the TV to an USB stick. See 5-1 USB Copy content. To upload the settings, press “arrow right” (or the “OK button), confirm with “OK” and wait until “OK” appears. Now the settings are stored onto the USB stick can be used to download to another TV or other SSB. Uploading is of course only possible if the software is running and if a picture is available. This method is created to be able to save the customer’s TV settings and to store them into another SSB.
Copy from USB. To download several settings from the USB stick to the TV. Same way of working as with uploading. To make sure that the download of the channel list from USB to the TV is execute properly, it is necessary to restart the TV and tune to a valid preset if necessary.
USB Copy content
> Tuner. This will activate the alignments sub-menu.
Tuner AGC (RF AGC Take Over Point Adjustment)
> Auto ADC. This will activate the alignments sub-menu.
TO NAVIGATE
* In SAM, the menu items can be selected with the “Arrow up/down” ( ▲/▼)key on the RC-transmitter. The selected item will be highlighted. When not all menu items fit on the screen, move the “Arrow up/down” key to display the next/previous menu items.
* With the “Arrow Left/Right” (◄/►)keys, it is possible to:
> (De) activate the selected menu item.
> (De) activate the selected sub menu.
* With the “OK” key, it is possible to activate the selected action.
* With the “Menu/Home” key, it is possible to go back to the previous selection.
TO EXIT THE SAM
Switch the set to STAND-BY via the RC-transmitter.
ERROR CODES
  The error code buffer contains all detected errors since the last time the buffer was erased. The buffer is written from top to bottom (or left to right), new errors are logged at the top/left side, and all other errors shift one position to the bottom/right.  When an error occurs, it is added to the list of errors, provided the list is not full. When the error buffer is full, then the new error is not added, and the error buffer stays intact (history is maintained).  To prevent that an occasional error stays in the list forever, the error is removed from the list after more than 50 hrs. of operation.
There is a simple blinking LED procedure for board level repair (home repair) the so called LAYER 1 errors, next to the existing errors which are LAYER 2 errors:
* LAYER 1 errors are one digit errors
* LAYER 2 errors are two digit errors.
When is LAYER 1 or 2 available
* In CSM mode: When entering CSM: error LAYER 1 will be displayed by blinking LED. Only the latest error is shown.
* In SDM mode: When SDM is entered via Remote Control code, LAYER 2 is displayed via blinking LED.
ON-SCREEN ERROR DISPLAY
* In CSM, no error codes are displayed on screen.
* In SAM, the complete error list is shown.
  If possible, check the entire contents of the error buffer. In some situations, an error code is only the result of another error code and not the actual cause (e.g. a fault in the protection detection circuitry can also lead to a protection).  In case of non-intermittent faults, clear the error buffer before starting to repair (before clearing the buffer, write down the content, as this history can give significant information). This is to ensure that old error codes are no longer present.
TO READ ERROR BUFFER
Use one of the following methods
* On screen via SAM (only when apicture is visible). E.g.:
> 000 000 000 000 000: No errors detected
> 017 000 000 000 000: Error code 17 is the last and only detected error.
> 015 017 000 000 000: Error code 17 was first detected and error code 15 is the last detected error.
*  Via the Blinking LED procedure.
*  Via ComPair.
TO CLEAR ERROR BUFFER
Use one of the following methods:
* By activation of the “Clear Codes” command in the SAM menu.
* With a normal RC, key in sequence “062599” followed by “OK”
Take notice that some errors need several minutes before they start blinking or before they will be logged. So in case of problems wait 2 minutes from start-up onwards, and then check if the front LED is blinking or if an error is logged.
LAYER-1 & LAYER-2 CODE Overview
LED BLINKING PROCEDURE {Layer-2 codes]
The software is capable of identifying different kinds of errors.  Because it is possible that more than one error can occur over time, an error buffer is available that is capable of storing the last five errors that occurred. This is useful if the OSD is not working properly.  Errors can also be displayed by the blinking LED procedure.  The method is to repeatedly let the LED pulse with as many pulses as the error code number, followed by a time period of 1.5 seconds in which the LED is “off”. Then this sequence is repeated.
E.g. error code 4 will result in four times the sequence LED “on” for 0.25 seconds / LED “off” for 0.25 seconds. After this sequence the LED will be “off” for 1.5 seconds. Any RC command terminates this sequence.
Displaying the entire error buffer
The entire error buffer can be displayed when service mode “SDM” is entered (by remote control command 062596 >MENU). When in protection, this sequence will not work, but than LAYER-1 error code should suffice.  In order to avoid confusion with RC signal reception blinking, this blinking procedure is terminated when a RC command is received.
How to Activate
Use one of the following methods:
1. Activate the CSM. The blinking front LED will show only the latest LAYER-1 error.
2. Activate the SDM. The blinking front LED will show the entire contents of the LAYER-2 error buffer.
The procedures given above are common to 90% of LCD TVs; made by PHILIPS; irrespective to its screen size.

HOW TO UPGRADE SOFTWARE (FIRMWARE) – HDMI EDID NVM UPGRADE -- PHILIPS 42PFL5604-77 LCD TV

Applicable to PHILIPS 32PFL5604-78_PHILIPS 32PFL5604-77_PHILIPS 42PFL5604-77
SOFTWARE UPGRADING
It is possible for the user to upgrade the main software via the USB port.
Main Software Upgrade
In “normal” conditions, so when there is no major problem with the TV, the main software and the default software upgrade application can be upgraded with the “upgrade.bin”. This can also be done by the consumers themselves via the Software Update Assistant in the user menu (see DFU), but they will have to download their software from the commercial Philips website.
How to upgrade
* Copy the “upgrade.bin” file to the root of the USB stick.
* Power “off” the TV and remove all memory devices.
* Insert the USB stick that contains the downloaded software upgrade.
* Switch “on” the TV, and activate the Main menu with the “Menu/House” key on the remote control.
* In the Main menu, go to the “Software update” item.
* Press “OK” key to go to the submenu.
* Select “Local updates” in the submenu and press the “OK” key to enter the Software Update application.
* You will be prompted to cancel or to proceed with the software updating.
* To proceed, select “Update” and press the “OK” key to enter the next menu. In the next menu select “Start” and press “OK” key to start the software update.
* Upgrading will now begins and the progress of the updating will be displayed. After the software updating is completed, the TV will automatically restart.
Stand-by Software Upgrade
In this chassis it is not possible to upgrade the Stand-by software via a USB stick or ComPair. Please order a preprogrammed device via the Philips Spare Part web portal.
Upgrade HDMI EDID NVM
To upgrade the HDMI EDID, pin 7 of the EDID NVM [1] has to be short circuited to ground.
Upgrade VGA EDID NVM
To upgrade the VGA EDID NVM, pin 7 of the EDID NVM [2] has to be short circuited to ground.

{Never attempt to do a software update procedure; unless you're confident that you can do it properly.  It is advised to seek assistance of any experienced service technician.  Improper version of software upgrade might even make the set not respond  to any external commands; means it has gone for ever.}

PHILIPS 42PFL5604 – 42” LCD TV – POWER SUPPLY [SMPS] SCHEMATIC

PHILIPS LCD TV _ 42PFL5604 – 42” LCD TV – POWER SUPPLY [SMPS] SCHEMATIC

SMPS SCHEMATIC
 PWBs_TOP & BOTTOM VIEWS
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Thursday, October 30, 2014

CT-20SX11CE - CT-20SX11E - PANASONIC TV - CIRCUIT DIAGRAM [SCHEMATIC]

PANASONIC CTV CT-20SX11CE - CT-20SX11E _ Circuit Diagram [Schematic]
REMOTE CONTROL > EUR511502
FLYBACK TRANSOFRMER (LOT)  - KFT3AB119F1
IC001 >  MN1874088TL3 > MPU
IC002 >  C3EAEC000016 >  EEPROM
IC003 > PIC-37042SR > REMOTE SENSOR
IC101 > AN5166K VCJ
IC451 > LA7837-TV V OUT
IC551 > AN78M09LB 9 > VOLT REG
IC552 > AN78M05LB > PLUS 5V AVR
IC801 > PC817X2 > OPTO COUPLER
IC803 > STR58041A > POWER SUPPLY
IC2201 > AN5829S-E1V MTS
IC2302 > AN5272 > AUDIO AMP
IC2321 > CXA2021S > AUDIO CONTROL
IC3001 > MM1114XFBE  > VIDEO SW
IC6501 > MN82840 > COMB FILTER
IC6502 > PST9142NR > RESET
MAIN BOARD & Z-BOARD SCHEMATIC
Z-BOARD
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See the previous post here; to know How to Enter Service Mode and to do adjustments to these TVs

HOW TO ENTER SERVICE MODE - PANASONIC CT-20SX11E - CT-20SX11CE – Color TV

Service Mode entry Procedures & Adjustment Details _  PANASONIC CT-20SX11E _ CT-20SX11CE – Color TV.
Universal Remote control Set-up codes to check with Panasonic Brand TVs (For CRT, LCD & Plasma type TVs)
0016 0032 0033 0049 0054 0075 0099 0101 0104 0107 0110 0119 0143 0151 0152 0161 0166 0207 0249 0304 0305 0306 0396 0420 0461 0611 0631 0633 0692
SERVICE MODE
  There are two ways to enter the service mode to these model TVs.  Using the supplied remote control, and by opening the back cover of the set, and by shorting the TPs [Test Points]; described here.
USING THE REMOTE CONTROL
> Select SET-UP icon and select CABLE mode.
> Select TIMER icon and set SLEEP time for 30 Min.
> Press ACTION button twice to exit menus.
> Tune to the Channel 124.
> Adjust VOLUME to minimum (0).
> Press the VOL button (decrease) on Receiver. Red “CHK” appears in upper corner.
To toggle between Aging and Service modes:
* While the “CHK” is displayed on the left top corner of the CRT, pressing the Action and the Volume Up buttons on the Receiver simultaneously will toggle between the modes. Red “CHK” for Service and yellow “CHK” for Aging.
Entering Service Mode (Back-Open Method)
>> While the Receiver is ON and operating in Normal Mode, momentarily short test point FA1 (TP8) to Cold Ground ( ) FA2 (TP3) A-Board.  (The Receiver enters the Aging Mode.)
Yellow letters “CHK” appear in the upper left corner of the CRT.  (The Volume Up/Down will adjust rapidly).
>> Simultaneously press the Action and the Volume Up buttons on the Receiver Control Panel.
The Receiver enters the Service Mode.
>> The letter in “CHK” turns red. (The Volume Up/Down will adjust normally). (All customer controls are set to nominal level)
Press the Power Button on the Remote Control to select one of six Service Adjustment Modes.
B= Service VCJ SUB-DATA ADJUSTEMENT.
C= Service VCJ CUT-OFF ADJUSTMENT.
S= Service OPTIONS (PIP and CLOCK) ADJUSTMENT.
M= Service MTS ADJUSTMENTS.
X = Service COMB FILTER ADJUSTMENT.
“CHK” = Normal operation of CHANNEL▲▼ and VOLUME◄►.
Exiting the Service Mode:
* Press the Action and the Power buttons on the Receiver simultaneously for at least 2 seconds.
THE RECEIVER EXITS SERVICE MODE.
{The Receiver momentarily shuts off; then comes back on tuned to channel 3 with a preset level of sound.  Any programmed channels, channels caption data and some others user defined settings will be erased.}
Service Mode Menu Adjustments.
An address Menu appears in the right hand corner of the screen.
IMPORTANT: Always Exit the Service Mode Following Adjustments.
* Press the Power Button on the Remote Control to select the Service Adjustment
For Adjustments
* Press Channel Up/Down on the Remote Control to select one of the available Service Adjustments. [Write Down the original value set for each address before modifying anything. It is easy to erroneously adjust the wrong item]
* Press Volume Up/Down on the Remote Control to adjust the level of the selected Service Adjustment.
To Check Purity
Press the Recall Button on the Remote Control when in Service Mode (red “CHK” is displayed) to enter the Purity Field Check Mode.
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See the next post here to see the Schematic [Circuit diagram] to these models Panasonic CTVs

PANASONIC CT-Z1423 _ CIRCUIT DIAGRAM (Schematic) - SMPS - HORIZONTAL OUTPUT

PANASONIC CT-Z1423 POWER SUPPLY REGULATOR [SMPS] – HORIZONTAL OUTPUT – VERTICAL OUTPUT & VIDEO AMPLIFIER [CRT BASE CARD] – SCHEMATIC (Circuit Diagram)
Universal remote control set-up codes to Panasonic Brand TVs0016 0032 0033 0049 0054 0075 0099 0101 0104 0107 0110 0119 0143 0151 0152 0161 0166 0207 0249 0304 0305 0306 0396 0420 0461 0611 0631 0633 0692
HORIZONTAL OUTPUT & VIDEO OUTPUT [CRT BASE CARD]
SMPS [POWER SUPPLY]
SYSTEM CONTROL-CHROMA & MEMORY
CLICK ON THE SCHEMATICS TO MAGNIFY

Wednesday, October 29, 2014

INFINITY KAPPA-255A - CIRCUIT DIAGRAM - COMMON FAULTS and REPAIR TIPS

Kappa 255a Automotive Amplifier _ Power Amplifer_Sub-woofer amplifier & Power Supply Schematics [Circuit Diagrams]
Common faults, and repair tips
POWER SUPPLY
POWER AMPLIFIER
SUB-WOOFER AMPLIFIER
FAULTS ARE REPAIR PROCEDURES
Damaged Output Transistors [This is considered as a Major repair] 
  When the voltage from an automotive battery powering the Kappa 255a dips repeatedly dips below 8 volts, the class D regulator can become unstable. As result, excessive current flow can damage output transistors Q10,11,12,13 in the sub-woofer section.  In the event you receive a Kappa 255a for any servicing reason, perform the modification as shown below. Affected units will have an “HC” in the prefix in a white serial # label (bottom of the unit).
[Many components in this product, including two due for replacement, are Surface Mount Devices.]
Procedure:
* Remove the (24) 9/64” allen screws from both lower sides of the chassis.
* Remove the (2) #10 Torx screws from the bottom chassis underneath the tamper-proof labels.
* Turn amplifier vertically and strike on a hard surface, dislodging the main PCB; slide entire assembly out of the chassis.
* Remove and replace any defective IRFS250 output transistors. (Q10-13 are Infinity part# TR1238)
* Change R3 on the Digital Pre-driver Module (PC1207) from 22k to 2.2k (Infinity part# RS1703). PC1207 is the small upright board located near the main PCB filter capacitors. R3 is on the component side of the board facing the outside of the amplifier.
* Change R15 on PWM Module (PC1149) from 1k to 2.2k (Infinity part# RS1703). PC1149 is the small upright board located near the main power supply transformers. R15 is on the component side of the board facing the inside of the amplifier.
* Reinsert main PCB into chassis; confirm that all (20) insulators are still in place, attached with heat sink compound to each output device.
* Insert and tighten all (24) chassis screws, including the (2) Torx screws on the bottom of the unit. {Note: the (4) shorter, 5/8” screws are inserted at the ends of the amp chassis.}
* Attach all power, speaker and signal cables to amplifier and test.
No Sound from Subwoofer Output
KAPPA 255a > All units exhibiting symptom > Q18 Overheating > Replace Q18 with TIP31C transistor
  In the event you receive a Kappa 255a with the complaint: “No sound from the subwoofer output”, replace transistor Q18 SMD (Surface Mount Device) with a TO-220 package, TIP31C transistor. For details, see instructions as described below. All KAPPA 255A amplifiers exhibiting this symptom should be modified.  Note: Many components in this product, including the one due for replacement, are Surface Mount Devices.
Procedure:
>> Remove the (24) 9/64” Allen screws from both lower sides of the chassis.
>> Remove the (2) #10 Torx screws from the bottom chassis underneath the tamper-proof labels.
>> Turn amplifier vertically and strike on a hard surface, dislodging the main PCB; slide entire assembly out of the heat sink.
>> Locate, identify, and remove Q18 SMD transistor on the bottom of the main PCB.
5) Prepare the nearby area on the PCB by applying a white .5" x .75" BONDPLY insulator, (Infinity part# TO- 220 BONDPLY-100) in the area where a new TIP31C transistor will be mounted.
>> Apply a transistor TIP31C (Infinity part# TR1183) on top of the insulator; press firmly to set. Transistor should be flat on the PCB.
>> Extend the three leads of the transistor by soldering a length of 22 gauge buss wire to each lead, the length determined by the connection points. Solder each wire piece to each lead (longer is better as it can always be cut) and then trim to the correct length. You will NOT be re-connecting the three leads to the tiny solder pads for the original SMD device; study the illustrations to locate the three final connection points.
>> Cut three pieces of 1/16” vinyl or shrink tubing to insulate the three exposed leads, leaving enough wire exposed at the end to make the final soldered connections.
>> Solder the three leads in the areas shown in the illustration. Transistor Q18 and new connecting wires MUST NOT be higher than the square plastic standoff next to it.
>> Add a dab of RTV (silicon seal or similar non-conductive compound) to the area of the three leads.
>> Test the unit, still out of the heat sink, by applying power, with signal and subwoofer connections WITH NO LOUDSPEAKER LOAD other than a DMM or an oscilloscope on the output terminals.
>> Reinsert main PCB into chassis; confirm that all (20) insulators on the output devices are still in place, attached with heat sink compound on each one.
>> Insert and tighten all (24) chassis screws, including the (2) Torx screws on the bottom of the unit. Note: the (4) shorter, 5/8” screws are inserted at the ends of the amp chassis.
>> Attach all power, speaker and signal cables to amplifier and test with loudspeaker load.
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Tuesday, October 28, 2014

JBL BPX2200.1 - 2-CHANNEL POWER AMPLIFIER (CAR) - WIRING DIAGRAM and CIRCUIT DIAGRAM

SCHEMATIC & WIRING DIAGRAM_JBL BPX2200.1-CAR-POWER AMPLIFIER_2-CHANNEL
SPECIFICATIONS
Power output – 2 Ohms > 1100W x 2
Power output (bridged)-4Ohms > 2200W x 1
Power output (parallel) – 1 Ohms > 2200 x 1
Minimum speaker impedance > 1 Ohm
Frequency response > 20Hz to 320KHz – 3dB
Input sensitivity (RCA Type) > 250mV – 6V
THD + Noise {4 Ohms} > 0.5%
Signal to Noise ratio > 93dB
Maximum current draw > 190A
Fuse replacement > 150A x 1
All tests to be done, unless otherwise specified, from 10Hz to 320Hz at 14.4V DC into 2 ohm loads and adjust the units gain so that with a .775 volt input signal the unit is at its maximum rated output. All measurements will be done using an Audio precision system one and the supply voltage.  An A+ line voltage of 14.4V DC shall be applied to the unit under test for all measurements unless otherwise specified. The voltage applied to the unit shall be measured at the power connection on the Amplifier.
Signal Source
Unless otherwise specified, all tests shall be conducted with the Audio Signal Generator output configured to be balanced, less than or equal to 50 ohm source impedance, and floating. The signal source "GND" shall be connected to the Amplifier PWR GND at the Amplifier.
Output Load
Unless otherwise specified, all tests shall be conducted with 2 ohm resistive loads having less than 10% reactive components at any frequency below 350Hz. Each resistor shall have a value that remains within 1% while dissipating the rated output of the unit under test.
Power Indicator LED steadily illuminates for normal operation. LED blinks when protection circuitry is engaged, and during power up.
SCHEMATIC DIAGRAM
WIRING DIAGRAM
APPLICATIONS – BPx MODELS
To the right are several application diagrams to help plan your subwoofer system installation. Figures 1 through 3 show how to configure the JBL Power Series subwoofer amplifiers (models BPx500.1, BPx1100.1 and BPx2200.1) for 2-channel, bridged-mono and parallel-mono operation “Setting the Output Mode” )
NOTE: For simplicity, Figures 1 through 3 do not show power, remote and input connections.
NOTE: If the nominal impedance of your speaker system is close to 2 ohms, be prepared to try both bridged and parallel configurations to determine which performs better.

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AOC LE32H158I - AOC LE42H158I - LED LCD TV - SMPS - LED DRIVER and AUDIO AMPLIFIER SCHEMATICS

POWER [SMPS] _ LED DRIVER_AUDIO AMP and AUDIO OUTPUT SCHEMATICS

AOC LE32H158I & LE42H158I_31.5″ & 42″ LED LCD TVs
POWER [SMPS]
AUDIO
BACK-LIGHT LED DRIVER
CLICK ON THE SCHEMATICS TO MAGNIFY

Monday, October 27, 2014

SONY HCD-NEZ50 - SCHEMATIC - POWER AMP - POWER SUPPLY

SONY-HCD-NEZ50 – COMPACT DISC DECK RECEIVERPOWER SUPPLY and POWER AMPLIFIER SCHEMATIC (Circuit Diagram)-[STK453-030A]
Amplifier section _ European model:
DIN power output (rated): 18 + 18 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 25 + 25 W (6 ohms at 1 kHz, 10% THD)
Music power output (reference): 38 + 38 W
POWER SUPPLY
AMPLIFIER SCHEMATIC