background image

 

   JBL Incorporated                            250 Crossways Park Dr.     Woodbury, New York 11797 (516) 496-3400

 

 

 

 

   

 

 

 

 

 

 

 

Service Bulletin

 

 

Service bulletin # JBL2007-01   May 2007   

 

 

 

Warranty labor rate: MINOR repair 

 
To:  All JBL Service Centers 
 
Model: On Air 

 Control 2.4G 

 
Subject: Sensitivity, Short Standby Time 
 

 

In the event you receive a Control 2.4G Wireless Powered Loudspeaker System with the following 
complaint: “The unit goes into Standby mode too quickly, or does not turn back ON with very low 
levels of music”, perform the following modification to increase the Standby time and Sensitivity. 

 

Synopsis: Change four resistors in the Transmitter portion of the system.  Note: RoHS-rated* de-soldering and 
soldering equipment and material for SMD resistors will be required. 

 
1)  Remove the cover on the On Air 

 Control 2.4G Transmitter to expose the main PCB 

2)  Locate the four resistors R38,41,46 & 67 on the main PCB.  (See illustrations) 

 

Change R38, R41 from 9.1K to 3.3K SMD 603 size, JBL part# P3.3KGCT-ND 

 

Change R46 from 510K to 2.2M SMD 603 size, JBL part# P2.2MGCT-ND 

 

Change R67 from 680K to 2.2M SMD 603 size, JBL part# P2.2MGCT-ND 

 

 

 

 

Model 

Serial Number 

120V 

STATUS 

ACTION 

On Air 

 Control 2.4G 

ME2326-001001 

to 

ME2326-013000 

Low sensitivity, short 

standby interval 

Change R38, R41 to 3.3K

 

Change R46, R67 to 2.2M

 

On Air 

 Control 2.4G 

ME2326-013001 

And above 

Modified by Factory 

NONE REQUIRED 

 
Change increases ATO sensitivity from 16mVRMS to 3.5mVRMS @ 1KHz Both inputs driven 
Change increases time to turn-off after signal is removed from 

 3.3 Minutes to 

 9.66 Minutes after removing 0.5VRMS (Both inputs 

driven) 
 

* RoHS = Restriction Of Hazardous Substances

 

 

12

Summary of Contents for On Air Control 2.4G

Page 1: ...JBL ON AIR Control 2 4G Powered Loudspeaker SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr Woodbury New York 11797 Rev0 5 2007...

Page 2: ...JBL2007 01 12 Control 2 4G BASIC SPECIFICATIONS Frequency Range 3dB 50Hz 20kHz Amplifier Output 15 Watts per channel Low Frequency Driver 4 101mm magnetically shielded High Frequency Driver 1 2 12mm T...

Page 3: ...370 000 05026 E Loudspeaker Wire Set 10m 1 11 151 OEA10500 E AC Power Supply For Active Speaker 1 ITEM NO PART NO DESCRIPTION QTY 12 376 000 01092 E Wall mount Holder For Transmitter 1 13 188 0506401...

Page 4: ...On Air Control 2 4G 3...

Page 5: ...ation 2 Adding speakers to remote locations around your home Application 1 Adding surround speakers to a home theater system Determine if your source contains preamp outputs for rear surround channels...

Page 6: ...er and the negative to the negative It does not matter whether you use the striped conductor for connecting the positive terminals or the negative terminals Step 4 Plug the transmitter module B and ac...

Page 7: ...the speaker wire supplied features a polarity stripe to help distinguish its two conductors Use this polarity stripe to ensure that you are connecting the positive terminal on one speaker to the posit...

Page 8: ...between the two different sources To connect portable audio player to the active speaker simply connect the preamp out line out or headphone jack to the line in 8 on the rear of the active speaker usi...

Page 9: ...2 10 48DM32NX HT01 E 1 2 Tweeter DCR 6 5 Ohms 1 11 352 AM04080D813 E Screw Tweeter 2 ITEM NO PART NO DESCRIPTION QTY 12 352 AM03512D278 E Screw For AMP PCB 4 13 011 7603 05064 E Amplifier receiver mod...

Page 10: ...ale Enclosure cover Bottom 1 10 354 HM05700 E Nut Tether Bar 1 11 353 0510152 E Tether Bar 1 ITEM NO PART NO DESCRIPTION QTY 12 352 BM03010D974 E Screw Terminal Cup 4 13 317 ABS 05078 0BAE Terminal Cu...

Page 11: ...only entire 1 Transmitter stocked 4 188 ASDWLAN01 E Antenna 1 ITEM NO PART NO DESCRIPTION QTY 5 236 050 05017 0BAE Holder Antenna 1 6 352 AM02606C1136 E Screw Antenna Holder 2 7 304 SPCC 050860BAE Bo...

Page 12: ...On Air Control 2 4G 11...

Page 13: ...esistors will be required 1 Remove the cover on the On Air Control 2 4G Transmitter to expose the main PCB 2 Locate the four resistors R38 41 46 67 on the main PCB See illustrations Change R38 R41 fro...

Reviews: