Model Variations; Parts Designations - Shure U1 Service Manual

Replacement Parts and Drawings

Model Variations

COUNTRY FREQUENCY
CODE RANGE
UA 782–806 MHz
MA 782–810 MHz
JB 806–810 MHz
KK 838–862 MHz
MB 800–830 MHz
MC 774–782 MHz
MD To create an MD board, order the 90MB8739J PCB's and install the MD EEPROM .
UB 692–716 MHz

Parts Designations

25C1021 (BG)
Shure U1/U1L Body-Pack UHF Transmitter
Different frequency versions of the U1 and U1L transmitters are
currently available for use in various countries. Each version is identified
in the table below by country code, frequency range, and printed circuit
board version.
**Some frequency versions have been discontinued. For the new list
of frequency variations use the MK2 manual.
Table 2
U1/U1L Model Variations
COUNTRY
DESIGNATION
U.S.A. and Canada
Germany
Japan
United Kingdom
Europe
Netherlands
U.S.A.
**For PCB's that are no longer available use the U1–MK2 manual for
replacements.
The following comments apply to the parts list and the schematic:
Resistors: Unless otherwise noted, all resistors are surface-mount
1
with / rating and 1% tolerance.
W
10
Capacitors: Unless otherwise noted, non-polarized capacitors are
surface-mount dielectric types with a 100
NPO
tolerance, and polarized capacitors are tantalum types.
21
U1
RF-AUDIO
PC BOARD NUMBER PC BOARD NUMBER
90UA8739J
90MA8739M
(No Longer Available) (No Longer Available)
*90JB8739J*
(No Longer Available)
90KK8739M
90MB8739J
90MC8739J
90UB8739M
capacity and a 5%
V
Replacement Parts and Drawings
U1L
RF-AUDIO
90UA8740M
*90MA8740M*
–
–
–
–
90UB8740M