MikroTik CRS226-24G-2S+IN, Инструкции по ремонту

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try change CPU chip U100, if did not help, board unrepairable
If source of problem is U300 or U400 board is unrepairable.
2. If Board Leds turn on, board is unreachable through LAN or SFP+
ports and console shows no output
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If there no 1V8 output on L100 try change U102, if did not help, go to next bullet
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If there no 1V8 output on L100 try change L100, if did not help, go to next bullet
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try change RAM Flash U200, if did not help, go to next bullet
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try change NAND Flash U401, if did not help, go to next bullet
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try change U1300, if did not help, go to next bullet
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try change CPU chip U100, if did not help, board unrepairable
Routerboard does not boot 15
VIVO,24 GE ports + 2x10GE/FHL websmart,L2 managed, L2+ managed GE Switch , Au, C-temp QCA8519-AC2C Qualcomm Atheros Technology Ltd.
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+85C T&R W9751G6KB-25 Winbond Electronics Corp.
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+85C Tray W9751G6KB-25 (tray) Winbond Electronics Corp.
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+85C NT5TU32M16DG-AC NANYA TECHNOLOGY CORPORATION [F]
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+90C T&R K4T51163QJ-BCE7T00 Samsung Semiconductor Europe GmbH
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+95C Tray K4T51163QJ-BCE7000 Samsung Semiconductor Europe GmbH
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+85C D59C1512164ZTJ25 Delson Technology Co.,Ltd
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+95C NT5TU32M16EG-AC NANYA TECHNOLOGY CORPORATION [F]
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+90C T&R K4T51163QQ-BCE7T00 Samsung Semiconductor Europe GmbH
DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+90C Tray K4T51163QQ-BCE7000 Samsung Semiconductor Europe GmbH
NAND Flash 1Gbit x8 TSOP-48 3.3V Vih0.8Vcc 0+70C (Lead free) NOP4 HY27UF081G2A-TPCB Hynix Semiconductor GmBH
NAND Flash 1Gbit x8 TSOP-48 3.3V Vih0.8Vcc -40+85C NOP4 NAND01GW3B2CN6E Numonyx SA - German Branch
NAND Flash 1Gbit x8 TSOP-48 3.3V Vih0.8Vcc -10+125C PB-Free Tray K9F1G08U0D-SCB0000 Samsung Semiconductor Europe GmbH
NAND Flash 1Gbit x8 TSOP-48 3.3V Vih0.8Vcc -40+85C 1bit-ECC Tray S34ML01G100TFI900 Spansion Inc.
NAND Flash 1Gbit x8 TSOP-48 3.3V Vih0.8Vcc 0+70C RoHS Hardware 8 TC58BVG0S3HTA00B4Q Toshiba
NAND Flash 1Gbit x8 TSOP-48 3.3V Vih0.8Vcc -40+85C NOP4
W29N01GVSIAA Winbond Electronics Corp.
VIVO,24 GE ports + 2x10GE/FHL websmart,L2 managed, L2+ managed GE Switch , Au, C-temp QCA8519-AC2C Qualcomm Atheros Technology Ltd.
1.25MHz, 400mA (works with 600mA load). PWM Step-Down DC/DC converterRT8025GJ5 Richtek Technology Corporation
1.25MHz, 600mA, Step-Down DC/DC Converter, TSOT-23-5, Halogen free RT8009GJ5 Richtek Technology Corporation
1.25MHz, 600mA, Step-Down DC/DC Converter, TSOT-23-5, Pb free RT8009PJ5 Richtek Technology Corporation
1.5MHz 600mA Step-Down DC-DC converter Adjustable SOT-23-5 AUR9704AGH Auramicro Co., Ltd.
2.2MHz, 600mA Step-Down DC/DC converter TSOT-23-5 TPS62561DDCR Texas Instruments
Inductor 2.2uH 30% 1.48A 3.2x3.2x2 RoHS BCRH2D18B/HP-2R2N-NL Bao Cheng Electronics Co.,Ltd.,
Inductor 2.2uH 25% 1.5A 3.2x3.2x2mm 88mOhm RoHS CDRH2D18B/HPNP-2R2N Sumida Trading Company Limited
8-bit shift-and-store latch, Tape&Reel 74HC595T16-13 Diodes Incorporated
8-bit shift-and-store latch 74HC595PW,118NXP Semiconductors
IC 8BIT SHIFT REGISTER TSSOP16 SN74HC595PWRTexas Instruments
8-bit shift-and-store latch 74HC595PW,112NXP Semiconductors