HDD GURU FORUMS :: View topic - Looking for Hitachi Laptop PCB

I'm not a DR guy, but if the drive spins up, then it doesn't sound like a PCB problem to me.

If you wish to replace the PCB, then you will need to transfer the 8-pin NVRAM chip, or its contents, from patient to donor. I can't see their markings, but U3 and U6 are the most likely suspects. Can you identify the part markings?

BTW, there appear to be 3 fuses on the PCB -- F1 (2A), F2, and F3.

My understanding is that U6 is the NVRAM that needs to be transferred to your donor. Your supplier should be able to confirm this.

BR93L66RF-WE2, Rohm, Microwire BUS Serial EEPROM, 256×16bits, marking RL66, SOP8:
http://www.rohm.com/products/databook/g ... 76-w-e.pdf
http://www.rohm.com/products/databook/e ... r93l-e.pdf

U3 is a serial flash memory.

LE25FV055T, 512Kbit, 64Kx8, Sanyo, Serial flash memory, 8-pin:
http://www.semiconductor-sanyo.jp/ds_j/NA0447.pdf

I'm not in the data recovery profession, so I can't offer accurate PCB matching advice. However, I would match as much as possible and then transfer U6. Your PCB supplier should be able to confirm whether a particular board is compatible.

Author:	b_n [ March 10th, 2011, 5:08 ]
Post subject:	Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
Hi, I send my HD to a data recovery after sudden power off. It was not able to be identified by windows on external enclosure, & the clicking sound will be heared for 10 seconds everytime i try to connect it. The company's evaluation report mentioned that it's a PCB failure, & they requested 500 Singapore $, which i found too much There is nothing crucial in this HD, just some family pictures i forgot to backup previously..... so i decided to dot it my self & try to replace the PCB. PCB required: Hitachi Travelstar Model: HTS541060G9SA00 - SATA Size: 60 GB Boarad Label first two lines: 0A26800 DA1189A Thanks In Advance Attachment: IMAGE_014.jpg [ 371.47 KiB \| Viewed 8305 times ] Attachment: IMAGE_013.jpg [ 351.08 KiB \| Viewed 8305 times ] Attachment: IMAGE_008.jpg [ 329.83 KiB \| Viewed 8305 times ] Attachment: IMAGE_010.jpg [ 389.44 KiB \| Viewed 8305 times ] Attachment: IMAGE_005.jpg [ 477.78 KiB \| Viewed 8305 times ] Attachment: IMAGE_002.jpg [ 347.31 KiB \| Viewed 8305 times ] Attachment: IMAGE_001.jpg [ 330.21 KiB \| Viewed 8305 times ]

Author:	fzabkar [ March 10th, 2011, 8:18 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
I'm not a DR guy, but if the drive spins up, then it doesn't sound like a PCB problem to me. If you wish to replace the PCB, then you will need to transfer the 8-pin NVRAM chip, or its contents, from patient to donor. I can't see their markings, but U3 and U6 are the most likely suspects. Can you identify the part markings? BTW, there appear to be 3 fuses on the PCB -- F1 (2A), F2, and F3.

Author:	networkpc3000 [ March 12th, 2011, 1:02 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
hi, have it in stock. please feel free to contact me by email or skype. thanks.

Author:	b_n [ March 12th, 2011, 7:52 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
thanks fzabkar for you prompt response. I'm not an expert, but as per my basic knowledge that HD will not spin or click if its PCB issue. U3: 25FV055T 5HN4K U6:RL66 W684 5T I hope this is the info you are looking for. fzabkar wrote: I'm not a DR guy, but if the drive spins up, then it doesn't sound like a PCB problem to me. If you wish to replace the PCB, then you will need to transfer the 8-pin NVRAM chip, or its contents, from patient to donor. I can't see their markings, but U3 and U6 are the most likely suspects. Can you identify the part markings? BTW, there appear to be 3 fuses on the PCB -- F1 (2A), F2, and F3.

Author:	fzabkar [ March 13th, 2011, 3:22 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
My understanding is that U6 is the NVRAM that needs to be transferred to your donor. Your supplier should be able to confirm this. BR93L66RF-WE2, Rohm, Microwire BUS Serial EEPROM, 256×16bits, marking RL66, SOP8: http://www.rohm.com/products/databook/g ... 76-w-e.pdf http://www.rohm.com/products/databook/e ... r93l-e.pdf U3 is a serial flash memory. LE25FV055T, 512Kbit, 64Kx8, Sanyo, Serial flash memory, 8-pin: http://www.semiconductor-sanyo.jp/ds_j/NA0447.pdf

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Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00 http://forum.hddguru.com/viewtopic.php?f=15&t=18797	Page 1 of 1

Author:	b_n [ March 13th, 2011, 22:01 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
fzabkar, thanks buddy... I really appreciate your response & help. So hypothetically if the PCB is the problem, changing U6 will be the only thing i need to do before swapping, right ? another question, is it enough to found a matching board (first two lines) , or i need to find a board also has the same model number, hd size, P/n , MLC numbers ?? fzabkar wrote: My understanding is that U6 is the NVRAM that needs to be transferred to your donor. Your supplier should be able to confirm this. BR93L66RF-WE2, Rohm, Microwire BUS Serial EEPROM, 256×16bits, marking RL66, SOP8: http://www.rohm.com/products/databook/g ... 76-w-e.pdf http://www.rohm.com/products/databook/e ... r93l-e.pdf U3 is a serial flash memory. LE25FV055T, 512Kbit, 64Kx8, Sanyo, Serial flash memory, 8-pin: http://www.semiconductor-sanyo.jp/ds_j/NA0447.pdf

Author:	fzabkar [ March 14th, 2011, 19:30 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
I'm not in the data recovery profession, so I can't offer accurate PCB matching advice. However, I would match as much as possible and then transfer U6. Your PCB supplier should be able to confirm whether a particular board is compatible.

Author:	b_n [ March 15th, 2011, 1:58 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
Thanks a lot buddy. fzabkar wrote: I'm not in the data recovery profession, so I can't offer accurate PCB matching advice. However, I would match as much as possible and then transfer U6. Your PCB supplier should be able to confirm whether a particular board is compatible.

Author:	networkpc3000 [ March 16th, 2011, 1:23 ]
Post subject:	Re: Looking for Hitachi Laptop PCB - Model:HTS541060G9SA00
hi, my PCB model 0A26800 DA1189C main chip: 0A26228

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