Service manual

AR-FX7 ELECTRICAL SECTION 11 - 1
[11] ELECTRICAL SECTION
1. Block diagram
A. Main block diagram
B. TEL/LIU PWB block diagram
2/3X
PAGE
MEMORY
SDRAM
128Mbit
IMAGE PROCESSING
MEMORY
SRAM 1Mbit
Reso-
lution
con-
version
CPU
(SH7709A)
MODEM
MN195006-E
FAX IMAGE
MEMORY
FLASH ROM
16Mbit
ADD-ON MEMORY
(AR-MM9)
8MB
ADD-ON
MEMORY
CONNECTOR
LIU PWB
BACK UP
MEMORY
SRAM
2Mbit
Handset
(Japan only)
LINE
FAX UNIT
FAX MAIN PWB
IMAGE PROCESSING GATE ARRAY
CPU
I/F
MN
86065
I/F
CEDEC IC
MN86065
SRAM
1Mbit
BUS
BUFFER
SCANNING PROCESS FLOW
PRINT PROCESS FLOW
VOICE
IC
I/F
EX TEL
PSUED RINGER
(JAPAN ONLY)
SILICON DAA
CPU
I/F
WORK
MEMORY
SDRAM
16Mbit x 2
MN86065
I/F
HANDSET
(Japan only)
up
CODEC
MEMORY
SRAM
1Mbit
Program
MEMORY
CONNECTOR
Program ROM PWB
PROGRAM
FLASH ROM
(JAPAN)16Mb
x 2
(EX)8Mb x 2
BACK UP
MEMORY
SRAM
2Mbit x 2
VERTICAL
SCANNING
2/3X
SCAN
I/F
IMAGE
ROTATING
VERTICAL
SCANNING
1/2X
SRAM CONTROL
MN
86065
I/F
FAX GA
I/F
SYSTEM CONTROL GATE ARRAY
DMAC
CON-
TROL
GATE
ARRAY
I/F
SRAM
CON-
TROL
Speaker
MEM
ORY
back
VOICE IC
SI-3000
PRINT
I/F
IMAGE
ROTA-
TING
SDRAM
CONTROL
MODEM
CON-
TROL
RTC
I/F
3 x 3
COPIER
Copier
Surge/
Filter Circuit
DAA Circuit
(TNV Side)
DAA Circuit
(Secondary
Side)
CI Detector
Circuit
HOOK Detector
Circuit
Relay
Modular
Connector
Modular
Connector
to the External
Telephone
FG
MODEM
FAX Control
CPU Circuit
FAX Control
Program ROM
Power
Supply
24Vdc
5Vdc
3.3Vdc
LIU
FAX
main
Copier
120Vac
Printer
I/F
Unit