ECM-HW1

SERVICE MANUAL

Ver 1.0 2006. 01

US Model Canadian Model AEP Model E Model Chinese Model Korea Model

(Receiver)

(Microphone)

SPECIFICATIONS

Wireless communication Communication system Bluetooth specification Ver.1.2 Output Bluetooth specification Power Class 1 Compatible Bluetooth Profile Advanced Audio Distribution Profile Working range* Approx. 30 m (100 ft.) (line of sight) * Depending on recording location, such as if obstacles or reflective surfaces are between Bluetooth devices, radio wave conditions, etc. Receiver Power requirements Power consumption Dimensions (w/h/d) Mass Microphone (transmitter) System Power requirements Supplied via Active Interface Shoe (approx. 7.2 V) Approx. 0.7 W (When the receiver is attached, the operating time of the camcorders battery is reduced by about 20%.) Approx. 53 mm (1 15/7/1/8 in.) Approx. 58 g (2 oz.) Monaural, non-directional 3.0 V (two size AAA alkaline dry batteries or two size AAA Ni-MH rechargeable batteries**) ** Batteries not included. Manganese dry batteries should not be used. Approx. 0.6 W 300 - 9,000 Hz Approx. 3 hours (With Sony alkaline dry batteries at 25 C (77 F)) When used at low temperature, the operating time with alkaline dry batteries will shorten. Use of NiMH rechargeable batteries is recommended. Approx. 23 mm (1 3/5/8 29/32 in.) (excluding the clip) Approx. 25 g (0.9 oz.) (excluding the batteries and the clip)
Power consumption Frequency response Continuous operating time

Dimensions (w/h/d) Mass

Receiver/microphone (transmitter) Operating temperature 5 - 40 C (41 - 104 F) Storage temperature 20 - 60 C (4 - 140 F) Included items Receiver (ECM-HW1R) (1), Microphone (transmitter) (ECM-HW1T) (1), Clip (attached to the microphone) (1), Neck strap (1), Wind screen (1), Carrying pouch (1), Arm band (1), Set of printed documentation Design and specifications are subject to change without notice.

WIRELESS MICROPHONE

9-876-928-11

Sony EMCS Co.

2006A1600-1 2006.01 Published by DI Technical Support Department

PARTS LIST

Note: When replaceing the microphone receiver assembly, be sure to change the labels (See the next page).

Supplied accessories

Ref. No. 7 8
Part No. A-1181-026-A 2-657-617-01 2-657-614-01 A-1184-691-A 2-669-436-01
Description MICROPHONE RECEIVER ASSY (SERVICE) LID, BATTERY CASE, LOWER CLIP NECK STRAP
2-669-437-01 WIND SCREEN 2-669-438-01 ARM BAND 2-669-439-01 CARRYING POUCH 2-669-441-01 MANUAL, INSTRUCTION (JAPANESE/ ENGLISH/FRENCH/SPANISH/SIMPLIFIED CHINESE/ TRADITIONAL CHINESE/KOREAN) 2-669-441-11 MANUAL, INSTRUCTION (GERMAN/DUTCH/ SWEDISH/PORTUGUESE/ITALIAN/ RUSSIAN/ARABIC)

Changing labels

(1) Because communication is possible only between the matched pair of this product when the product is shipped from the factory or supplied as the repair part, the same serial number should be carried both by a microphone and a receiver that enables identification of the matched pair among the mixed use of the multiple units. (2) If the approved certificate labels of the respective countries in which this product is marketed and customer uses is not attached to the product before use, ignorance of this requirement may be punishable.

Microphone

1 Remove the all labels except for the battery label from the parts to be repaired, and attach these labels to service parts.
Service microphone (only with battery label with serial No.)
Repaired microphone (with all the labels except for the battery label from the part to be repaired) Leave the battery label.

Model number plate

WEEE label (AEP model only)
Korea label (T) (Korea model only), Taiwan label (R)/ Chaina label (R) (Chinese model only)

Receiver

1 Remove the serial number label from the service receiver. 2 Remove the model number plate from the part to be repaired, and attach it on the service part. 3 Attach the serial number label which is removed from the service receiver (1) on the serial number part of the model number plate. 4 Remove the all labels except for the model number plate from the parts to be repaired, and attach these labels to service parts.

Service receiver (only with serial number label)
Repaired receiver (with all labels from the part to be repaired)
Serial number label Model number plate

Serial number part

Reverse

987692811.pdf

Revision History
Ver. 1.0 Date 2006.01 History Official Release Contents S.M. Rev. issued

Camera Hacker: converting AIS to mic audio jack

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Forums: Video Camera: Sony
converting AIS to mic audio jack
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My DCRTRV18 finally died. I'm pissed that many of the upgrades (mine is a DCR - HC42) do not have a MIC input! Is anyone making an (Active Interface Shoe(AIS) with a mini-pin input - specifically for the WCS-999 wireless mics? Q. Brown Thu, 29 Sep 2005 19:38:51 -0700 I couldn't find an aftermarket jack so I hacked an ECM-HW1 ("shotgun" microphone) and put an audio jack in that. It works fine. Michael Dallas Fri, 10 Mar 2006 08:09:49 -0800 Sorry. It was an ECM-HGZ1 microphone. Michael Dallas Fri, 10 Mar 2006 08:12:05 -0800 That's great, Michael. Do you have a picture to show us how it's done? Or which pin on the AIS goes to what signal? Your help would be appreciated. Chieh Cheng Fri, 10 Mar 2006 11:23:38 -0800 Yes, Michael! PLEASE tell us how you did this! VERY interested! ResDog Wed, 29 Mar 2006 16:31:12 -0800 Dear Michael I am also looking for a mic input for my HC-90 handycam. Can you give the pin details of active shoe interface? Thank you Paul Daniel V Mon, 3 Apr 2006 18:58:57 -0700 Was it Mono or stereo you managed to hack? Avi Tue, 11 Apr 2006 04:45:01 -0700

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Sony Active Interface Shoe. Shame on Sony for not providing an external mic input. I've found that the easiest mic to sacrifice to mount a jack is the ECMHST1. You can pop off the front wind screen and get to the stereo elements. There is space enough on the back to mount a mini jack above the switch. There are two elements in MS configuration; front with Black-white and back with Black yellow wiring. I haven't had a chance to figure out the proper connections for a mono lav mike, but believe this should be simple. THe ECM-HGZ1 case is very small and mounting a jack in this mike would be quite daunting. Dick Sun, 30 Apr 2006 15:33:33 -0700 I solved this problem (at the expense of a Sony ECM-HST1, which is large enough to mount a mini stereo plug. Unfotunately, I had to remove the internal mic cartridges, but you can pry off the back plate and mount the jack above the phasing switch. The front screen actually rotates to remove and gives you access to the MS circuit board. Wiring the plug (using 3 small wires twisted together to the wires attached to the two mic cartridges is a snap. There are 4 wires, two black a white and a yellow. The two blacks are tied together and go to the jack shield (ground). The white and yellow are the L & R hot leads. The position of the phasing switch makes no difference in my application. For MONO, just use a stereo to mono adapter external to the mike. You still get stereo separation if you use an external stereo mike, or feed from two seperate sources. An expensive solution, but it works fine and there's room to work in this mike. Dick Walters Wed, 10 May 2006 09:06:34 -0700 Michael, Can u pls explain how u put an audio jack in ECM-HW1. pl pl pl pl. Jonathan Fri, 09 Jun 2006 03:29:50 -0700 I doubt it's possible.I bought one and opened it but there was not enought space for me to even consider mounting a jack. That's why used the ECMHST1, which as internal space to mount a standard 1/8" mini-jack on the back plate. Dick Walters Thu, 29 Jun 2006 06:42:42 -0700 Thank you Mr. Walters, I have used a ECM-HST1 and successfully placed a 1/8" mini-jack for my HDR-HC3 sony camcarder. Venkata Fri, 07 Jul 2006 13:15:14 -0700
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i did this with the hst1 and haven't bought a mic yet, and i was wondering how the mic input works. Does it sound as good as it would if it was a real mic input gPaul Sun, 09 Jul 2006 23:31:29 -0700 Hai Walter, can u pls guide me how to fix an external mic input in Sony HC90.pl. Jonathan Tue, 01 Aug 2006 05:50:02 -0700 Thanks guys. I did the Sony ECM-HST1 mod too. However, I didn't sacrifice the mic to do it. My original plan was to put two panel mount 1/8 jacks on the back of the mic, one to the board and one to the mics and then jumper the two together when I wanted to use the HST1 mics. However, here is only enought room on the back cover for one panel mount 1/8 stero plug. Plan B, which is what I ended up doing, was to connect a male stero jack to the mic cables and then plug it into the panel jack when I wanted to use the HST1 mics. There is enough room on the back cover for holes for both the panel mount jack and for a cable.

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to start, I snipped the white, yellow, and black wires about 1/2 to 3/4 of an inch away from the board. I then cut a 1 foot shielded stero male to stero male Brand Name Mics Sale cable (got it at radioshack) with about 6 inches of cable (i.e in half). Now

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I drilled holes in the back of the HST1 cover. One for the panel mount jack in SM58's. Shure, EV, Telex, A/T, AKG mics the center, just above the phasing switch text, but low enough that the hole ProAudioSuperstore.com touches the 0 in 90 and the 1 in 120. And one for the stero cable to go through, just to the right of the 120. Advertise on this site I removed the mics, ran the cut end of the stero cable through the back cover (male jack on the outside), then soldered the stereo cable ends to the mic wires (white to white, red to yellow, ground to black) and covered the solder connections using a glue gun (works well as insulation). I placed the mics back into the casing. I then cut off another piece of wire from the remaining stereo patch cable to reach from the front to the back for the panel mount jack. I ended up pulling the wires from the wire jacket as it was too thick. I also cut a black wire from some wiring I had on hand, since the ground wire (shielding) didn't have insulation around it. I then soldered the panel mount jack connections to the wires (black to ground, red to middle, white to tip), mounted the jack on the rear cover, and ran the wires to the front. I reassembled the mic, with the exception of the

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front cover. I then soldered the wires going back to the panel mount jack to the wire ends on the board. I hot glued the solder joints (again to insulate them) and the replaced the front cover. If I want to use the mic, I now connect the male stereo end into the new stereo jack. If I want to use an external mic, I plug it into the jack instead. One final mod was to cut a slit in the back of the wind protector for the male stereo end and for access to the stereo jack. My mouse now has a tail. ;-) David
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David Microphones on sale Sat, 19 Aug 2006 12:09:20 -0700 Save on all audio And there was me thinking I was the only person thinking along these lines. I am planning to do exactly the same thing with an HST1 as I need to make recordings of rugby matches with the voice of the referee via a radio mic routed to the camera. For my requirements I have no qualms about sacrificing the internal elements however, there is a far neater solution if you want the internal/external option. You can buy 3.5mm stereo jack sockets with a set of break contacts, Farnell Components do these and I believe that they have branches worldwide. These contacts act like a switch that is closed until you plug the jack in. By routing the wires from the elements through these contacts, the internal elements will still work until you plug in a jack for your external mic. The sockets are marginally larger than a standard socket but should still fit into the position at the back of the mic above the angle switch. Nigel M Fri, 25 Aug 2006 03:47:36 -0700 who knows where can i upload some images of disassembled ECM-HQP1 microphone? and integrated stereo line jack, with 3.5mm stereo jack sockets with a set of break contacts.wich you can use it for stereo line input. Yes it is possible to mount 3,5mm stero jack, it has some weeknes but i'hope that i'll soon will solve them. Attached Image:
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Lamb, I suggest you upload them to this thread: Hacking the Sony ECMHQP1 Surround Sound Microphone You may also upload the images to the Wiki here. And then format and update the Wiki here. By the way, I like what you've done. Chieh Cheng Sat, 26 Aug 2006 01:12:30 -0700 WARNING: This hack isn't perfect. After getting an HST1 and performing the hack, i was disappointed to find that it isn't a pure LEFT and RIGHT channel input. Let me exaplain. I have a mixer that lets me pan from left to right. I tried many different tests with left, center, and right. I then opened the waveforms up so that I could see them visually as well. left - Perception is lower volume audio but you hear it in both channels. If you

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look at the waveform, the left and right channels look like invesions from each other. What I mean is, as one waveform goes down, the other goes up. Like a mirror image. center - Perception is that the audio sounds like it is a little on the left. If you look at the waveform, it confirms this. The right channel is about 2/3 the volume of the left. right - This almost sounds like they are equal, but very very slightly more volume on the right. The waveform confirms this. There is about 10% more amplitude on the curve than on the left. The solution, it seems to sound best panned almost all the way to the right, but not quite all the way (like 90%). I hate this because I was hoping to have a dumb way of just plugging it up (maybe even using a mono cable) and not have to tweak it on a mixer in order to get a good sound. Anyone else have the same results? My guess is that they are doing some funky processing to make it sound more stereo. For one thing, there are only 2 mics and one points directly forward and the other just to the side. Confusing. Also, using a voltmeter, there is about 3.x volts DC on both the left and right wires. I'd assume that I should be using a capacitor or something to filter off the DC. Mike Spice Tue, 05 Sep 2006 20:27:16 -0700 Hey all, thanks for the useful comments, I am thinking about connecting 2 3.5mm mono stereo jack sockets to accomplish this, however I am not sure which wires to connect to each jack. Should I be connecting the white/yellow/2black wires to the jacks or should I be connecting the wires that lead into the active shoe? Has anyone found a wiring diagram/service manual for the microphone? I asked Sony but they could only give me the e-mail to the servicing/repair place in Texas. Any help is greatly appreciated. Thanks, David. David Bridwell Thu, 07 Sep 2006 11:47:51 -0700 "For one thing, there are only 2 mics and one points directly forward and the other just to the side. Confusing." You are assuming that mic is a 'traditional' L+R stereo mike. Google M+S.Mid-Side: "The Mid-Side technique is theoretically equivalent to XY, but the realities of mike design often make Mid-Side more stable and reliable, and easier to set up. The idea is to take one mike (usually a cardioid condenser, though any mike will work) and point it at the sound source. This is your "Mid" mike.

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Then take a figure-8 mike and place it behind the mid mike, pointing 90 degrees away from the "Mid" mike. This is the "Side" mike. Now, instead of plugging one mike into your left channel and the other into your right channel, you'll need to "decode" the signal by finding the sum and difference of the signals in the two mikes. That is, the left channel on the final recoding is created by summing the signals from the two mikes and the right channel by taking the mid signal and subtracting the side signal. When combined to mono, you are left with the Mid signal, making mid-side inherently monocompatible." HTH, -Shawn Shawn Hughes Mon, 25 Sep 2006 18:55:48 -0700 Shawn is correct in that a dual op-amp is used on the small circuit board inside the HST1 to decode the left and right channels. Left is passed through, and right is created by subtracting the left signal from the combined signal of the center mic. I traced through the board layout and found a great place for adding the five connect points of a closed circuit 3.5mm mini stereo jack to get a true L & R channel feed. It requires cutting two traces on the board with an exacto knife or drimmel, then wiring the jack as shown. Z Attached Image:

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Sony AIS Microphone.jpg William Zaggle Fri, 06 Oct 2006 23:06:08 -0700 Is anyone selling these? Greg Gley Thu, 19 Oct 2006 20:02:45 -0700

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Title: Sony Active Interface Shoe Weblog: Camera Hacker Tracked: Tue, 2 May 2006 16:26:04 -0700 Title: Creating a Dead Mic for Sony video cameras Weblog: Camera Hacker Excerpt: I need to completely disable audio on a Sony HDR-HC3. Do you have any idea how to do this. I have a ECM-HGZ1 Gun mic and can cannibalize it. Any help would be greatly appreciated. Thanks. Tracked: Fri, 15 Sep 2006 15:43:12 -0700

Related Links

Sony ECMHW1 Bluetooth Wireless Microphone for DVR-DVD405, 505 & HDR-HC3 Camcorders - Amazon User Reviews Sony ECM-HGZ1 Shotgun Microphone for DCR-PC55, DCR-HC96, DCR-DVD 92, 203, 403, 305, 405, 505 & HDR-HC1 Camcorders Amazon User Reviews Sony ECMHST1 Stereo Microphone for DCR-HC42, 90, 96, DCRDVD 203, 403, 305, 405, 505, DCR-SR100 & HDR-HC3 Camcorders Amazon User Reviews Messages copyright by respective authors. Files and images copyright by respective owners. Copyright 1998 - 2006 by Chieh Cheng. All Rights Reserved.