SERVICE AND REPAIR NOTES
Bulletin
TECHNICAL INFORMATION / 8000 W. SUNRISE BLVD. / FT. LAUDERDALE, FL 33322

SRN 1316

APC 792

Date: December 2000

Expiration: June 30, 2001

Memo To: SRN Mailing List

From: Radio Products Division /Plantation, FL

Subject: LTR access for CDM-LS series Mobiles

Symptoms:

The user may complain of (1) slow or sluggish LTR system access (2) multiple retries and (3) choppy audio. These

symptoms may occur intermittently or not at all depending on the system type and system configuration.

Potential Problem Radios:

Model Number:

AAM25RHF9DU5AN AAM25RKF9DU5AN

AAM25SHF9DU5AN AAM25SKF9DU5AN

Serial Number:

All prior to 792xAZxxxx

Cause:

A filter setting in the device that generates the LTR signaling word, internal to the radio, is incompatible with certain

controllers -- especially if the controllers are not optimally tuned. This filter setting can only be changed by a

firmware upgrade to R04.01.14 or later.

Corrective Action

Upgrade the firmware to R04.01.14 or later.

The upgrade can be performed by using the NEW flash adapter (HLN9742B), the NEW mobile programming cable

(RKN4081B), and the flash upgrade software available at the Motorola Web site.

https://businessonline.motorola.com/

Warranty is authorized for the Service provider at $20.00 per unit

The upgrade can also be performed by the Radio Support Center in Rockford IL � the address appears below. When

returning the Mobile, please reference this SRN. For international shipments contact your Motorola Regional Service

provider.

Motorola Inc.

Radio Support Center

3761 South Central Avenue

Rockford, IL 61102

800 227-6772