Question about Sony STR-DE935

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My mid 1980's Sony fm stereo fm-am receiver model str-av900 has stalled on me. I us it with a Sony 5 disc compact disc player cdp-ce125. I know they are old, but have been preforming excellently. The disc changer is hooked up to the receiver and when the receiver is powered on then I just add cds and hit play and cd starts playing. However lately the receiver shows in the graphic equalizer that the cd is playing and the disc changer shows that the cd is playing -- but no sound. It once only took about a minute for the sound to be heard, no it takes longer and longer like after 15 minutes I gave up. Would this be expensive for repair are should I just give it up and buy a new receiver? and which new receiver, when I shopped they are all for hookup with Home theaters. Help me.

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Since the receiver eventually works, the delay circuit is failing. This is a circuit that allows the power supply to settle down before kicking in the output relay. This prevents the "pop" that was sometimes heard on older units. This should be a simple and inexpensive repair probably requiring the replacement of a couple of small capacitors in that delay/protection circuit.

Dan

Posted on Mar 09, 2009

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I was attempting to install a new stereo in my 2000 taurus. it requires to an adapter to put the new stereo in. i got the new adapter and stereo in *kinda* but decided i didnt really know what i was...


check your fuses first. You may have blown one.


Visual Inspection Chart Mechanical Electrical
  • Integrated control panel (ICP) physically damaged, misaligned, any control(s) inoperative
  • Digital audio compact disc player physically damaged, misaligned, any control(s) inoperative
  • Antenna or antenna cable physically damaged, misaligned connection(s)
  • Radio speakers, mounting/speaker cones physically damaged, misaligned
  • Radio ignition interference capacitors, radio frequency interference suppression bond misaligned (also check for cleanliness and metal-to-metal contact)
  • Battery junction box (BJB) fuses F127 (5A), F117 (20A), F127 (5A).
  • Central junction box (CJB) fuse F227 (10A) F211 (15A), F216 (15A), F226 (10A) (wagon only)

  1. If the fault is not visually evident, proceed to diagnose the integrated control panel (ICP) by entering the ICP Self-Diagnostic Mode.
ICP Self-Diagnostic Mode
NOTE: To enter the ICP Self-Diagnostic Mode, the ICP must be ON and in radio tuner mode (AM/FM).
  1. Enter the diagnostic mode by pressing and holding preset buttons 3 and 6 simultaneously. This will suspend all radio functions, and display SP.
  1. Preset Button 1 = Audio internal/external SELF TEST. The display will flash SELF while gathering the diagnostic trouble codes (DTCs), then stop flashing when complete. Press the TUNE UP button to display the DTCs if any exist. Record codes and refer to the following table:


ICP SELF-TEST CODES Code Description 0 No diagnostic trouble codes logged 1 No response from rear chassis unit (RCU) 2 No response from cassette player 3 - 4 No response from compact disc player 5 - 6 - 7 No response from remote climate control 8 - 9 Read Only Memory Verification failed
  1. Preset Button 2 = Displays the feature strap for code identification, refer to the following table.


Code Description 01 Base-Electronic Search Radio (ESR) with Manual Climate Control (MCC) 07 Electronic Search Radio with Cassette (ESC) with MCC 17 ESC with Electronic Automatic Temperature Control (EATC) 97 Not programmed default of ESC with EATC
  1. Preset Button 3 = ICP and RCU identification. This test identifies the software level of the ICP and RCU. The ICP is tested first, followed by the RCU. The display will have two sequences of three codes each. The first sequence is for the ICP, the second sequence is for the RCU. For code identification, refer to the following table:
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Item Part Number Description 1 - Product variant code 2 - Tape model 3 - CDR


SOFTWARE IDENTIFICATION CODES Product Type Code Description Product Variant Code Description 21 ICP 07
08
09
10
11
12 EATC with AM/FM, cassette player and CD changer
EATC with AM/FM and cassette player
Manual A/C with AM/FM and cassette player
Manual A/C with AM/FM
EATC with AM/FM and cassette player
EATC with AM/FM cassette player and CD changer 31 RCU 01
02
03 Analog
Digital
Midline 71 Remote climate control 01 LH drive 52 Compact disc/disc jockey 01
02
03
04 Sony® 10 disc
Sony® 6 disc
Clarion® 6 disc
FMS 6 disc

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1 Answer

Amplifier - TA-AX380; CD Player - CDP-C40; AM/FM Tuner - ST-JX380; FM Stereo/FM-AM Receiver - STR-AV570X, and Stereo Cassette Deck - TC-W380.....all Sony. Very old system, do not have the manuals, they...


Since you have 2 receivers, you can either use the Sony STR-AV570X or the TA-AX380. You will need 3 Stereo RCA Cables to connect your CD Player, Tuner, and Tape Player. The speakers connect to the receiver you choose using the speaker input terminals.

Here is the diagram (click on picture to enlarge):

pctech1_71.jpg

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1 Answer

I have a Sony Amplifier [model TA-AX380] and other components of CD player [model DCP-C40], AM/FM Tuner [model ST-JX380], FM Stereo/FM-AM Receiver [model STR-AV570X], and Stereo Cassette Deck [model...


http://www.servicemanuals.net/ServiceManual/SONY/TAAX380/148547/detail.aspx
http://www.hifiengine.com/manuals/sony/str-av570x.shtml
Hi above are links for manuals, these may help..
When one wires up anything it is all usually color to color output to input... usually RED & WHITE stereo audio.
Now we would start with our Tuner this the CD player, & Cassette deck, will wire into the Amp's INPUTs , red - red & white - white, these go into the Stereo INPUTs on the AMP... 1, 2 & 3 and be selected via the input selector on the AMP.
Now after all these in's and out's are wired we need to wire our speakers, this too is simple, locate the outputs on the Amp, and wire accordingly, Plus to Plus and Negative to Negative... each speaker has two wires a Plus, + & a Negative -
All will/should be clearly marked and it will be easy to do. You will need patch leads, one set each for each unit, these will be a pair of cables, usually Red & White with RCA jacks on each end, as related these go color to color from the RCA OUTPUTs Sockets, of the signal suppliers, ie: Tuner, FM stereo & Cassette deck... these ALL will wire into the Main Amplifiers INPUTS, usually at rear of unit, and clearly marked, after this is all done, then as related again now connect the Speakers, again the OUTPUT on the Amp will be clearly marked, as output and + & -, + & - (two sets), one for each channel.
Now each INPUT is selected ON the AMP, and it's output will then be directed to the speakers attached to the Amp..... Just wire and test one at a time, and i am sure you will prevail.
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1 Answer

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Installation/Connection Instructions:
http://esupport.sony.com/US/perl/model-documents.pl?mdl=CDXM800&region_id=1

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Failing that, check that there isn't a CD already in it, could be a dodgy CD?

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