HISTORY:
Sustainability is the name of the game! Anything (that has been tested and still functioning properly) should be repurposed creating saving in wasted Ee and reducing the poisoning our environment when items are buried in the earth at the local tip needlessly.
Never heard of Ee? It is a concept that creates a measurement of ALL things (not just electronics) that humans have made and the energy used in obtaining the raw material, processing the materials right through to a finished product and even should include the shipping of the item to the distributors/retailers.
If you would like to know more about Ee values, please take a look HERE
While the Marantz PMD340 is a good workhorse in the audio production environment, it becomes pretty useless once the CD drive fails and the laser assembly has gone A.W.O.L!
This machine was in use by us for long periods in a studio environment, never missing a beat until the laser needed replacing. Tech's took the laser electronics out to have them replaced and "poof" disappeared, somewhere. So I have this PMD340 which is absolutely fully functional but without a laser - pretty useless.
I no longer am prepared to spend time servicing our equipment (retired and TRYING to have a break from all that) and as a result, this equipment has now become an "organ donor" for other PMD340 owners.
This is the AC Power ON-OFF assembly comprising the PCB with switch, EMI filter, varistor and connectors for the AC input and off to the AC transformer. Included is the long 155mm round metal "finger", front panel button and plastic connector for the PCB switch. I am also including the original "snap fit" IEC socket (non-fused)
The only fuse appears to be within the AC transformer, nothing exists on the PCB for current protection.
Perhaps you need a different part for your PMD340 ... To see the other items I have from our PMD340, please take a look HERE
MARANTZ - CD Player AC POWER ON-OFF Assembly ONLY
General Information PMD340
Made in Japan
Rack case construction
Single CD unit
Supports standard CD-DA discs but ALSO CD-TEXT (extremely useful for production house produced CD's which may have special information in this area)
Large easy to read Orange backlit display
Pitch change/bend user control
Analog audio outputs (Balanced & Unbalanced)
Digital outputs (SPDIF)
Error correction method: Cross-interleave Read Solomon code (CIRC)
16 bit linear quantization
Built in test modes (explained in the Service manual)
Wired remote control ports
Now to the specific information about this PMD340 Component, the AC input stepdown transformer
Part # PCB WA371K102-0 P851
The only function of this assembly is to provide front panel control of the AC power switch mounted on the PCB and situated near the rear of the case, close to the AC input entry point (IEC socket)
Almost no permanent interconnections, all wiring is via connectors on the PCB EXCEPT the AC power at the rear of the IEC socket, this uses solder tags. I have de-soldered the IEC socket and NOT reconnected it, just in case the new owner wishes to use some other method of connection.
All original mounting hardware is included i.e Philips head Copper "looking" screws although they are ferrous, plastic supports which are easy to remove and provide easy access/replacement of the board and the chrome plated Earth/Chassis screw.
PCB DIMENSIONS:
65mm x 60mm x 25mm height
TESTING:
Fully functioning until the laser assembly failed, now that the complete CD drive assembly has been removed the system still works (in a fashion) with all front controls active such as track selection, pitch bending etc but of course anything that requires signals back from the laser reading do not work!
The front panel button is unmarked/undamaged, as is the long metal "finger" which provides the mechanical link between the front panel button and the rear located power switch.
Switch operation is without fault, nice positive action PUSH ON - PUSH OFF
I have now placed these components on a stiff cardboard base and sealed within a clear plastic to protect it from the environment.
