Toshiba e-STUDIO556 Service Manual page 86

Symbol Name
PLG PWA-H-PLG
Laser control PC board
(PLG board)
LDR1 PWA-F-LDR1
Laser driving PC board-1
(LDR1 board)
LDR2 PWA-F-LDR2
Laser driving PC board-2
(LDR2 board)
LDR PWA-F-LDR
Laser driving PC board
(LDR board)
SNS PWA-F-SNS
H-sync detection PC board
(SNS board)
FUS PWA-F-FUS
Fuse PC board
(FUS board)
IH PWA-F-IH
Heater control PC board
(IH board)
MOT PWA-F-MOT
Motor driving PC board
(MOT board)
MOT2- PWA-F-MOT2-MT
MT Transport motor driving PC
board (MOT2-MT board)
MOT2- PWA-F-MOT2-RV
RV Reverse motor driving PC
board (MOT2-RV board)
SYS PWA-F-SYS
System control PC board
(SYS board)
DRV PWA-H-DRV
Scan motor driving PC
board (DRV board)
RAM-S PWA-F-SRAM-S
SRAM board
LGC PWA-H-LGC
Logic PC board
(LGC board)
FIL PWA-F-FIL
Filter PC board
(FIL board)
RADF PWA-F-RADF
RADF control PC board
(RADF board)
3.3.6 Lamps and heaters
Symbol Name
EXP LP-EXPO
Exposure lamp
ERS LP-ERS
Discharge LED
IH-COIL IH-COIL
IH coil
DH1 SCN-DH-L
Scanner damp heater
(Left)
e-STUDIO556/656/756/856/557/657/757/857
OUTLINE OF THE MACHINE
Function
Controlling the laser unit
Driving the laser diode
(Only for e-STUDIO556/656/756/856)
Driving the laser diode
(Only for e-STUDIO756/856)
Driving the laser diode
(Only for e-STUDIO557/657/757/857)
Detecting the laser beam position
Relaying power to the drum damp heater
(Optional for NAD/MJD model, standard for
other models)
Controlling the IH coil of the fuser unit
Controlling the drive of the drum motor and
the transfer belt motor
Controlling the drive of the transport motor
Controlling the drive of the reverse motor
Controlling the whole system and image
processing
Controlling the whole system and image
processing
(Only for e-STUDIO557/657/757/857)
Storing the setting or adjustment value, etc.
used for the control by the system control
PC board
Controlling the print engine section
Filtering out the AC power noise
(Only for NAD/SAD/ARD/ASD/AUD/MJD/
CND/TWD model of all equipments)
SAD:Only for e-STUDIO556/656/756/856
Controls the RADF.
Function
Exposing originals
Eliminating residual charge on the drum
surface
Heating up the fuser roller
Preventing condensation of the mirrors of
the carriage
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Remarks P-I
Fig. 3-9 32-7A
Fig. 3-10 32-7B
Fig. 3-11
Fig. 3-9 32-1A
Fig. 3-10 32-1B
Fig. 3-10 32-1B
Fig. 3-11 32-1B
Fig. 3-9 32-1A
Fig. 3-10 32-1B
Fig. 3-11
Fig. 3-16 21-30
Fig. 3-19 24-16
Fig. 3-24 41-22
Fig. 3-25
Fig. 3-20 17-10
Fig. 3-18 13-19
Fig. 3-24 54-21
Fig. 3-25
Fig. 3-25 54-21
Fig. 3-24 54-20
Fig. 3-25
Fig. 3-24 53-2
Fig. 3-25
Fig. 3-28 52-24
Fig. 3-29
Fig. 3-31 88-23
Remarks P-I
Fig. 3-5 36-3
Fig. 3-15 39-11
Fig. 3-12 26-5
Fig. 3-7 38-9