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 February 2019

RCDW500C – SONY COMPACT DISC RECORDER – CIRCUIT DIAGRAM – SELF DIAGNOSIS US AND CANADIAN MODELS

RCDW500C – Sony compact disc recorder – circuit diagram – self diagnosis US and Canadian Models

Sony RCD W500C  US Model Canadian Model COMPACT DISC RECORDER - Self diagnosis - Program setting - Circuit diagram
Self-diagnosis Function
When the self-diagnosis function is activated to prevent the player from malfunctioning, three character service numbers in a combination with a message appears in the display.
C12/ Cannot Copy:  You are trying to record a disc that cannot be played back in DECK-A or with an external device, such as CD-ROM or VIDEO CD.
• Remove the disc, and then insert a music CD for playback.
C13/ Rec Error:  Recording has not been completed successfully because of vibration.
• Relocate the unit in a place free of vibration and restart the recording again.
The disc you try to record is excessively dirty (such as oil stained or finger marked) or scratched. Or the disc is not normal.
• Replace the disc with another one and restart the recording again.
C14/TOC Error:  The unit did not read the TOC information.
• Insert other discs.
C41/Cannot Copy:  The sound source you are trying to record is a copy of commercial music software. Or you are trying to record on a CD-R/CD-RW digitally.
• Because of the restriction of the Serial Copy Management System, you cannot record a copy of commercial music software.  Neither can you record a CD-R/CD-RW digitally.
C71/ Din Unlock:  If this message is displayed momentarily, this is not an error. It is caused by the digital signal during recording.
During recording of a digital sound source, the connecting cable has been disconnected or the player of the sound source has turned off.
• Connect the cable or turn on the digital player.
LASER DIODE EMISSION CHECK
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.  The emission check enables continuous checking of the S curve.
Schematic
BD Board
CDR Board
Display Board
Main board
Setting of Programs
Confirmation of System (Windows 98 is used in this explanation) Preparation for Terminal software
Set up the serial port from OS.
a) Select Start >  Settings >  Control Panel and select System > Device manager >  Communication Port (COMn)
* Specify the COM port that connected with JIG of CDM65.
Double click COMn (as you connect to the Jig-CDM65)
Set the parameters.
Bits per second : 38400
Data bits : 8
Parity : non
Stop bits : 1
Flow control : hardware
Press “Advanced...” button. Remove the check “Use FIFO buffers ...”
2) Unzip the file “ttermp23.zip” by PC.
(The file “ttermp23.zip” is distributed together with the service manual.)
3) After unzip the files, you can find setup.exe.
Double click the setup.exe.
Install as the installer is.
Do not change the directory that files are installed. (use default)
4) Unzip the file “030416_Service.zip” by PC.
Copy all “ttl” file and “FUNC” folder which are contained in “030416_Service” and paste them in the “Ttermpro” file as below.
(The file “030416_Service.zip” is distributed together with the service manual.)
Note: Do not change the directory path.
5) Start-up the TeraTermPro
Double click the ttermpro.exe.
6) Set up the TeraTermPro (IMPORTANT)
a) Select Setup > Serial Port... and set the parameters as below.
Port : (As you connect to the Jig-CDM65)
Baud rate : 38400
Data : 8 bit
Parity : none
Stop : 1 bit
Flow control : hardware
Transmit delay : 0 msec/char 10 msec/line
After settings, press “OK” button.
b) Terminal setup
Set the parameters as below.
New-line receive : CR
transmit : CR
After settings, press “OK” button.
c) General setup
Select the language and press “OK” button.
d) Saving the setup
Select Setup > Save setup... and save as teraterm.ini in the
Ttermpro directory.
7) Connect the JIG and CDM65.
8) Confirm the S510 on JIG is ‘CONTROL’.
9) Power on the CDM65 and press SW101(RESET) on JIG.
“CDM65-RBD1 has connected with this PC (^^)” is displayed.
If above message is not displayed, you may have some mistakes.
Confirm previous setting procedures again