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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

Содержание RB433r3

Страница 1: ...D803 OK OK NOT OK Check P channel MOSFET Q801 NOT OK Change faulty P channel MOSFET Q801 OK Check R819 resistor resistance It should be 10 Ohm NO 10 Ohm Change faulty resistor R819 OK Check PWM controller U803 On the pin 1 should be 4 4 5 0V NOT OK Change faulty PWM controller U803 OK Check N channel MOSFET s Q806 Q808 NOT OK Change faulty MOSFET s Check short circuit on 1 8V for example on C612 p...

Страница 2: ...cillator Y301 NOT OK The board is unrepairable Problem still appears OK Change faulty RAM U201 U202 Check 1 2V CPU core output for example on C848 pins NO 1 2V Change faulty ferrite bead FB801 Check Step Down DC DC convector U806 Change faulty Step Down convector U806 OK OK NOT OK NOT OK Check ferrite bead FB801 It resistance should be less than 1 Ohm PoE doesn t work Check Schottky diode D801 NOT...

Страница 3: ...ositive wire on the ground and COM wire to D601 pin 1 NOT OK NOT OK OK OK Change faulty Ethernet Switch U601 Check ferrite beads FB602 for J601 FB604 for J602 FB603 for J603 It resistance should be less than 1 Ohm Change faulty ferrite beads NOT OK OK Check 1 8V output for example on PNP transistor Q601 pins No 1 8V Check Q601 transistor NOT OK Change faulty Q601 OK Change faulty U601 OK Check 25 ...

Страница 4: ...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 2RKF10R...

Страница 5: ...RB433r3 Reference picture ...

Страница 6: ...RB433r3 Reference picture ...

Страница 7: ...RB433r3 Output Voltage picture ...

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