Shure U4D - Page 40

Shure U4D Dual Diversity UHF Receiver
39 25D1062 (AG)Replacement Parts and Drawings
Table 11
RF–Audio Printed Circuit Board Replacement Parts,
SMT Components, Side 1
Reference Designation Description Shure Part Number
D201,202, 203, 204, 205, 210 SMD, switching diode 184A08
F300, 301 Polyswitch, SMD fuse 187A05
FL340, 341 Filter, SMD, low-pass 162A17
L201, 202, 203, 204, 205 Ferrite bead, SMD 162A03
L206, 311, 327, 336 Inductor, SMD, 82 nH 162F06
L208, 209 Inductor, SMD, 180 nH 162D06
L300, 301 Inductor, SMD, 22nH 162C06
L301–303, 306, 307, 309, 312, 314, 315,
318, 322, 329, 343, 344, 345, 347, 348
Ferrite bead, SMD 162A12
L335, 337 Inductor, SMD, 15 nH 162B10
Q201, 202 SMD transistor 183A38
Q301, 307 Monolithic microwave IC amplifier 183A37
Q308 SMD transistor 183A24
R202 Potentiometer 46A8059
R203, 250, 264, 265, 531 Potentiometer, SMD, Trim 146B02
R355, 367 Potentiometer, SMD, Trim 146D02
U201, 202, 204, 205, 207, 210, 212, 213,
216, 220, 305, 310
Dual Op Amp 188A18
U203, 208 Comparator, SMD, quad 188A123
U206 Compander, low voltage 188A126
U209 IC, muting 188A105
U211 Switch, quad, analog 188A19
U214 SMD transistor 183A30
U215 Digital–analog converter 188A201
U301, 314 Power spllitter 161A02
U302, 312 IC, monolithic linear 188A128R
U303, 313 detector, FM IF (For PCB versions 34A8507) 188A190
U315, U316 detector, FM IF (For PCB versions 34A8703) 188A129
U304, 311 Low current LNA/Mixer 188A127
U307 Voltage regulator, 5V 188A115
U309 PLL Frequency Synthesizer 188A134
VC101,102 Trim capacitor, SMT 152D02
Y302 Crystal, SMT, 24 MHz (G and earlier versions) 140A12
Y302 Crystal, leaded, 24 MHz (H and later versions) 40A8016
Table 12
RF–Audio Printed Circuit Board Replacement Parts,
SMT Components, Side 2
Reference Designation Description Shure Part Number
L301–303, 306, 307, 309, 312,
314, 315, 318, 322, 329, 343,
344, 345, 347, 348
Ferrite bead, SMD 162A12