BR200DV/BR300DV
Service Manual
34
Table 4 Functional description of semiconductor device
Item Model
Function
Description
IC1 SKY72310
Frequency
Synthesizer
IC100 NJM2904
APC, Voltage Comparison, Driving
IC200 NJM2591V
Receiver
2
nd
Local Oscillation, 2
nd
IF Amplification, Limitation,
Demodulation, Noise
Amplification
IC300 NJM2902V
Receiver
demodulated
signal Amplification, Filtering
IC601 TA75W01FU
MIC
Amplification
IC302 TDA2822D
Audio Frequency Power Amplification
IC613 W25Q80
FLASH, Channel Frequency Data Storage, Function Setting Parameter, Debug
Mode Parameter
IC614 STM32F405VGT6 MCU
IC615 PST9124NR
MCU Reset Circuit
IC609 HR_C5000-1
Base Band Processor
IC619 UPB1509BV
UPB1509GV is a divide by 2, 4, 8 prescaler IC for portable radio or cellular
telephone applications.
Summary of Contents for BR200DV
Page 1: ...BR200DV BR300DV Service Manual 1 BR200DV BR300DV Service Manual ...
Page 17: ...BR200DV BR300DV Service Manual 17 Exploded View of the Parts ...
Page 20: ...BR200DV BR300DV Service Manual 20 BR300DV ...
Page 35: ...BR200DV BR300DV Service Manual 35 Chapter 6 PCB Layout ...
Page 38: ...MIC1 C5 D4 D5 D8 C4 C3 R1 D2 D3 D6 C7 C8 C9 J1 D1 D9 C2 D7 C6 C13 C1 ...
Page 72: ...BR200DV BR300DV Service Manual 68 Chapter 10 Block and Schematic ...