Toshiba e-studio281c, Service Manual, Page: 39 / 414

2
© 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO281c/351c/451c
OUTLINE OF THE MACHINE
2 - 19
5) PC boards
Symbol Name Function Remarks P-I
CCD PWA-F-CCD
CCD driving PC board (CCD board)
Controlling CCD and A/D conversion of
image data
B-2 11-10
SLG PWA-F-SLG
Scanning section control PC board
(SLG board)
Controlling the original scanning sec-
tion and RADF
B-2 11-38
DSP PWA-F-DSP
Display PC board (DSP board)
Controlling LCD and the touch panel on
the control panel
C 3-26
KEY PWA-F-KEY
Key control PC board (KEY board)
Detecting the button entry and control-
ling LED on the control panel
C 3-25
LDR PWA-F-LDR
Laser driving PC board
(LDR board)
Driving the laser diode E 10-10
SNS PWA-F-SNS
H-sync signal detection PC board
(SNS board)
Detection of the laser beam position E 10-10
SFB PWA-F-SFB
Bypass tray slide guide width detection
PC board (SFB board)
Detection of the bypass tray slide guide
width
H 20-13
ADU PWA-F-ADU
ADU driving PC board (ADU board)
Controlling the automatic duplexing unit I 43-30
IH PS-IH
IH control PC board (IH board)
Controlling each IH coil in the fuser unit K 8-2
DRV PWA-F-DRV
Driving PC board (DRV board)
Controlling each motor in the system K 9-5
SYS PWA-F-SYS
System control PC board
(SYS board)
Controlling the whole system and
image processing
L 8-36
LGC PWA-F-LGC
Logic PC board (LGC board)
Controlling the print engine section L 9-1
FIL PWA-F-FIL
Filter PC board (FIL board)
Cutting noise of the AC power Power
supplying to each damp heater
L 7-11