Shure U2 Service Manual page 24

Reference
Designation
J101,102
P101
R208
S101
S102,103
Y202
Y203
D201,202
L204,205,206,
251,252
LP201
Q201,205,211
Q204
R227,286
R230
U102
U103
U201,204
U203
U205
U208
VC201
Y101
25B1022 (AG)
Shure U2 Hand-Held UHF Transmitter
Table 5
Printed Circuit Board Replacement Parts: Side 1
Description
Non-SMT Components
Socket strip (for LCD)
Battery contact (positive terminal)
Audio gain potentiometer, 0.1 W, 20%, 20 k
Power switch, toggle, DPDT
Switch, pushbutton, SPST (for Mode/Set)
Tone key Crystal, 32.768 kHz
Crystal, 4 MHz (for U205 reference)
SMT Components
Rectifier, Schottky, MBRS140
15%, 33 µH
Inductor
Filter, low pass, 33 MHz BW
Transistor, NPN SOT-23, MMBT5089L
Transistor, MOS FET, MDT3055EL
Trimming pot, 1/4 W, 25%, 1 k
Resistor, 1/10 W, 1–5, 249
Diode, switching, 7000L
Integrated Circuit, Comparator, LM339D
Integrated Circuit, 33178
Compander, integrated circuit, NE575
PLL Frequency Synthesizer
Integrated Circuit, 5V dc/dc converter, MAX751CSA
Capacitor, trim, 7 / 50 pF
Crystal, 4 MHz (for micro–controller reference)
23
145BF2490
Replacement Parts and Drawings
Shure Part
Number
56G8068
56A8061
46B8049
55A189
55A187
40A8010
40A8012
184A16
162B16
162A17
183A38
183A35
146B02
184A08
188A136
188A18
188A126
188A134
188A182
152H02
140A005