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January 2005 © TOSHIBA TEC
e-STUDIO170F Circuit Description
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7.2
Flow of Image Signals
This section charts the image signal conditioning process for each of the following modes and outlines
them: facsimile transmission, facsimile reception, copy, and PC interface.
7.2.1
Facsimile Transmission
There are the following two facsimile transmission modes: the direct transmission mode in which the
documents placed are transmitted page by page while being read and the memory transmission mode
in which all the documents are stored in memory before being transmitted.
Fig.7-12
* Details regarding each area of SDRAM used
(3): DSC I/F > SDRAM (PIX area: Scan buffer)
(4): SDRAM (PIX area: Scan buffer) > SDRAM (SYS area: Image memory)
(5): SDRAM (SYS area: Image memory) > SDRAM (PIX area: CODEC buffer)
(6): SDRAM (PIX area: CODEC buffer) > SDRAM (SYS area: Transmit data buffer)
(7): SDRAM (SYS area: Transmit data buffer) > MODEM I/F
(1)
(2)
(3)
(4)
(5)
(6)
(7)
IC15
ASIC
(Engine controller)
Main PBA
NCU PBA
DSC I/F
MODEM I/F
PC I/F
PTC I/F
CODEC I/F
SDRAM controller
IC27
DSC
IC49
USB controller
IC53
MODEM
IC16
CODEC
PIX area*
SYS area*
IC1
IC1
SDRAM
SDRAM
IC1
SDRAM
PSTN
CIS
Содержание ESTUDIO170F
Страница 1: ...SERVICE MANUAL PLAIN PAPER FACSIMILE e STUDIO170F File No SME04002900 R04102171300 TTEC Ver01_2005 05 ...
Страница 2: ... 2005 TOSHIBA TEC CORPORATION All rights reserved ...
Страница 192: ...e STUDIO170F Function Settings January 2005 TOSHIBA TEC 4 132 ...
Страница 214: ...e STUDIO170F Mechanical Description January 2005 TOSHIBA TEC 5 22 ...
Страница 308: ...e STUDIO170F Circuit Description January 2005 TOSHIBA TEC 7 78 ...
Страница 372: ...e STUDIO170F Removal Replacement Adjustment January 2005 TOSHIBA TEC 8 64 ...
Страница 490: ...e STUDIO170F Appendix January 2005 TOSHIBA TEC 12 8 ...
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