Sharp AR-MM9 Service Manual - Page 81

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