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Summary of Contents for Genius GM56E-V
- Page 1 Service Manual GM56E-V MODEM...
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Page 2: Table Of Contents
Service Manual Table of Contents GM56E-V MODEM ........................0 Chapter 1. INTRODUCTION......................2 a. Hardware ..........................2 b. Software ..........................2 c. Function Block ........................2 Chapter 2. Testing procedures......................3 A. Testing Connection Fail Flow Chart ..................3 Testing Dialing Fail Flow Chart...................3 Check Working Frequency....................4 D. -
Page 3: Chapter 1. Introduction
Chapter 1. INTRODUCTION a. Hardware ♦ PC586 above ♦ RS232 cable ♦ RJ-11 cable ♦ Speaker b. Software ♦ Win98 above ♦ GM56E-V Driver c. Function Block External Memory LINE DAA (SI3012 PHONE RS232 & SI3021) INTERFACE Modem chip TP560X MIC/SPK INTERFACE CRYSTAL 36.864 MHZ... -
Page 4: Chapter 2. Testing Procedures
Service Manual Chapter 2. Testing procedures A. Testing Connection Fail Flow Chart START REPLACE U6,X1 TEST Freq REPLACE U7 TEST U7 B. Testing Dialing Fail Flow Chart START REPLACE U1,U4,Q2,Q4,D1 TEST U4 PIN2 REPLACE U1,U4,Q2,Q4,D1 TEST U4 PIN4 REPLACE U1,U4,Q2,Q4,D1 TEST U4 PIN11 REPLACE U1,U4,Q2,Q4,D1 TEST U1 PIN4... -
Page 5: Check Working Frequency
Service Manual C. Check Working Frequency CHECK Y1 36.864MHZ Version 1.0 Page 4... -
Page 6: Check U7 Pin2,3,8,9 +5V Voltage
Service Manual D. Check U7 PIN2,3,8,9 +5V Voltage U7 PIN2,3 Version 1.0 Page 5... -
Page 7: Check U4 Pin2 Signal Wave
Service Manual E. Check U4 PIN2 Signal Wave U4 PIN2 Version 1.0 Page 6... -
Page 8: Check U4 Pin4 Signal Wave
Service Manual F. Check U4 PIN4 Signal Wave U4 PIN4 Version 1.0 Page 7... -
Page 9: Check U4 Pin11 Signal Wave
Service Manual G. Check U4 PIN11 Signal Wave U4 PIN11 Version 1.0 Page 8... -
Page 10: Check U1 Pin4 Signal Wave
Service Manual H. Check U1 PIN4 Signal Wave U1 PIN4 Version 1.0 Page 9... -
Page 11: Chapter 3. Troubleshooting Guide
Service Manual Chapter 3. Troubleshooting Guide Problems Condition Probable Reasons Solutions 1. Dialing fail 1. Error code 680 1. Oscillator NG 1. Replace Y1 2. PCB defect 2. Replace U6 3. Replace U7 4. Replace U8 5. Replace U11 1. No power 1. -
Page 12: Chapter 4. Removal And Replacement
Service Manual Chapter 4. Removal and Replacement Step Description Picture 1. Turn over To disassemble the modem, you modem have to turn over modem. 2. Loose screws Using screwdriver to loose 2 screws. 3. Take apart After taking all screws off, you can rear flat take up the rear flat. -
Page 13: Chapter 5. Parts List
Part number Description Part number U8 FLASHROM K0309035 Y1 36.846MHZ K0809014 U14 IC34063 K0309036 SPK1 K1134000 U11 EEPROM 93C46 K1303040 SPCBA GM56E-V K0169026 U3 LM386 K1307019 Adaptor 12VAC(EU.) K1217031 U7 GD75323D K1307059 Adaptor 12VAC(U.K.) K1217032 U4 SI3021 K1309084 Adaptor 12VAC(U.S.) K1217030...
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