Plan of PCB inside CanoScan FB630U (key below)

       --------------------------------------------
      |             I     ---------------------    |
      | H   -----        |         C           |   |
      |    |     |       |                     |   |
      |    |     |        ---------------------    |--------------
      |    |     |                                 | ribbon cable
      | G  |  B  |          ----------             | to scan head
      |    |     |         |          |            |--------------
      |    |     |         |     A    |            |
      |    |     |         |          |     ---    |
------|    |     |         |          |    | D |   |
 USB  |     -----           ----------      ---    |
 port |              E   F                         |
------|   J                              K         |
       --------------------------------------------


["/" denotes new line of text on chip]

(A) National Semiconductor: 2M012AF/LM9830VJD
EPP 36-bit scanner on a chip
http://connect.to/merlin/

(B) Genesys Logic: GL640USB-C017
EPP to USB bridge
http://www.genesyslogic.com.tw/

(C) SBT: SB1H1024AS-12
128k x 8-bit SRAM
http://www.sbt.com.tw/

(D) 14-pin DIL: 2902/JRC/A0042J
probably a quad operational amplifier

(E & F) 10-pin DILs: 1846/0D1
possibly PROM (512 x 8)

(G) 8-pin DIL: 9953A/02L7
dual MOSFET
http://www.fairchildsemi.com/pf/ND/NDS9953A.html

(H) 8-pin DIL: 34063A/9001
DC/DC convertor
http://www.fairchildsemi.com/pf/MC/MC34063A.html

(I) print on PCB in seven segment display style: 0016

(J) print on PCB: `Eng:Wilber
                   Lay:kiki-10.06-99'

(K) print on PCB:           MB108
                         Rev. 1.0
                  P/N: 105-0366-0