Power supply PWB parts layout | Sharp FO-475TH, UX-258TH manual

UX-258TH

FO-475TH

Power supply PWB parts layout

6 – 12

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Sharp FO-475TH, UX-258TH manual Power supply PWB parts layout

Contents

Facsimile Il y a danger d’explosion s’ il y a remplacement incorrect Specifications Operation panel Transmittable documents Use of Document Carrier Sheet InstallationSite selection Connections Loading the fax paper Original document support Clearing jammed fax paper Clearing a jammed document Quick reference guide Using the answering machineFunction key menu Transmitting documents Adjustments Diagnostic items Diagnostics and service soft switchOperating procedure Entering the diagnostic mode Aging mode Diagnostic items description Soft switch modeCheck pattern mode Signal send mode Entry data receive How to make soft switch settingFlash memory check Flash memory clear Option Soft switch descriptionData No. = X 60 sec = 5 min Recall times Binary input Light Dark Darker TEL 0~9 No. = CNG detection in STAND-BY mode Yes Fax switching when A.M. full Yes 10 ~ 25 dBm No. = 12 dB AGC eref access code line Reserved Speaker volume 5 stages Soft switch function description SW-B4 No Auto dial mode Delay timer of before line connect SW-A6 No CNG transmission in manual TX modeSW-B4 No Auto dial mode Delay timer of after line connect SW-B4 No Dial mode SW-E1 No Tel/Fax Automatic switching mode SW-D1 No Automatic switching manual to auto receive modeSW-E1 No CNG detect time at TEL/FAX mode SW-F2 No CNG detection in STAND-BY mode SW-I2 No Alarm during two way recording SW-H2 No Fax switching when A.M. fullSW-H1 No Reserved SW-H1 No Busy tone continuous sound detect time SW-J1 No , No Ringer volume SW-J1 No Sender’s phone number settingSW-J2 No ~ No Speaker volume 5 stages SW-K1 No Entering Diag mode by pressing Speed key ATT Troubleshooting G3 Reception Error code tableCommunication error code table G3 Transmission General description Document release General Documents requiring use of document carrierCross section view Recording block 5-1. General view Handset cover and paper support guide Disassembly and assembly procedures PWB case top, bottom and PWB Operation panel unit and scanner frame Screwdriver Hook CIS support 11 ,13 Stopper plate Document guide upper unit and head frame Document guide upper LCD PWB Operation panelGAP Hopper Guide R Guide L Drive unit, PWB and cutter 1211 Speaker and paper sensor lever Rib 1811 Drive frame PWB Wire treatmentTEL/LIU Cutter Block diagram Power Supply PWB Unit Wiring diagramControl PWB Unit TEL/LIU PWB Unit Point- to-point diagram Circuit description Description of each block Main control block Circuit description of control PWB FC200 IC2 Terminal descriptions Lcdcs 1XC Ledctl 4XCGPIO0 2XC GPIO1/SASTXD 2XC Mechanism/recording control block Panel control block Introduction Modem R96V24 block Pin Signals 100-Pin Pqfp R96V24 IC1 Hardware Interface Signals Circuit description of TEL/LIU PWB Block diagramTEL/LIU block operational description Circuit description Signal selection Signal/DTMF transmission level & receiving levelExternally connected TEL OFF Hook detection circuit section CI detection circuit Example TEL speaking Circuit description of CIS unit Circuit description of power supply PWB ControlPWB Circuit Block 44PIN Tsop Memory block IC3 Modem 2902 Other block ULN2003A Video processing/Motor drive / Thermal block IC5 Analog signal block Control PWB parts layout Top side Control PWB parts layout Bottom side TEL/LIU PWB circuit These marks are all safety-critical parts TEL/LIU PWB parts layout NJM78M05FA Power supply PWB circuit Power supply PWB parts layout IC101 74HC147 Operation panel PWB circuit Protocol Operation Flowchart Power on sequence Relay board unit Service toolsList OFF Description Relay board unit Shading paper IC13 VHiULN2003AN/ ULN2003A IC signal nameIC7 VHiW24257S7LL W24257S-70LLT IC3 VHiMC74HCU04FMC74HCU04F IC6, 10 VHiHCF4053M1T HCF4053B IC5 VHiHEF4051BT1 HEF4051BT IC11, 12 VHiLM2902D/-1 LM2902D IC8 VHi27C02015TiIC4 VHiMC34119DR2 MC34119DR2 IC100 VHiPST596CMT1 PST596CNR IC1 VHiR96FC20V24 R96V24 IC1 VHiNJM2904D-1 NJM2904D IC2 VHiR96FC20V24 FC200