MikroTik RB433r3, Troubleshooting Manual

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When you order components for repairing boards from our sales, please,
write components reference number not a part number
Reference
number
Part Number Manufacturer Description
J601, J602, J603 ARA-1DKK-G565-B
Super Link Electronics
Co., Ltd.
RJ45 10/100 with LEDs and
direct POE output,pre-soldered
shielding pins
D801, D802 FM2100/SMA-GP SINYORK CO., LTD.
Diode Schottky FM2100
Vf=0.85V Vr=100V If=2A SMA
Q601 STD888T4 STMICROELECTRONICS
Medium Current, High Performance,
Low Voltage PNP Transistor
D601, D602, D603 AOZ8000CIL Alpha & Omega
IC TVS ARRAY LOW-CAP
SOT23-6
D804 BZX84-B27,215 NXP Semiconductors
Diode Zener BZX84B 27V 2%
350mW SOT23
FB602, FB603, FB604 BLM15AG121SN1D Murata manufacturing Co.
Ferr Chip Beads 120 Om
500mA, 0402, FB120
D803 BZX84C10/SOT23-GP SINYORK CO., LTD.
Diode Zener BZX84C 10V 6%
410mW SOT23
R307 RC0402FR-0768KL Yageo Corporation
Resistor 68k 1% 0402
Q807 AOD480 Alpha & Omega
N-Ch MOSFET 30V 25A 23mOhm
DPAK
Q802 BC856B,215 Philips AG
Small Sign PNP 250mW SOT-23
Transistor
Q801
AO4441 Alpha & Omega
P-Ch MOSFET -60V -4A 100mOhm
SO-8
FB801 BLM18PG331SN1D Murata manufacturing Co.
Ferr Chip Beads 330 Om
1200mA, 0603
Q806, Q808 AO4484 Alpha & Omega
N-Ch MOSFET 40V 10A 10mOhm
SO-8
R819 ERJ-2RKF10R0X Panasonic Resistor 10R 1% 0402
U601 (for RB433r3) IP175DLF IC Plus Corp.
5Port 10/100 Ethernet Integrated
Switch
U806 RT8010APQW
Richtek Technology
Corporation
High Efficiency PWM Step-
Down DC/DC Converter
U803 RT9206PS
Richtek Technology
Corporation
Power Controller SOP-16
Y301
NAOD40.000-C3C
NSK Jenjaan Quartek
Corporation
40MHz 3.3V Oscillator 30ppm
Y601
NXE25.000AC20F-AHF
NSK Jenjaan Quartek
Corporation
25Mhz Crystal
U201, U202 NT5DS16M16CS-5T
NANYA TECHNOLOGY
CORPORATION
DDR SDRAM 256Mbit DDR400 16M
x 16bit TSOP-66 RoHS
U601 (for RB433Ur2) IP175CLF IC Plus Corp. 5 Port 10/100 Switch with MII