Adcom GFP-710 Service Manual Download Page 1

 

SERVICE MANUAL 

  

STEREO 

PREAMPLIFIER

 

GFP-710

 

 

 

TABLE OF CONTENTS 

 

Introduction  . . . . . . . . . . . . . . . . 1 

                                    Parts List . . . . . . . . . . . . . . . . . . 2 
                                    Voltage Conversion . . . .  . . . . . . .  6 
                                    Specifications . . . . . . . . . . . . . . . 7  

Chassis Layout . . . . . . . . . . . . . . .  

                                   

PCB Layout . . . . . . . . . . . . . . . . . 

                                    Wiring Diagram . . . . . . . . . . . . . .  

Schematic . . . . . . . . . . . . . . . . .   

 
 
 

10 Timber Lane 

Marlboro, NJ  07746 

USA 

Tel: 732-683-2356 

Fax: 732-683-9790 

 

Web: http://www.adcom.com

 

INTRODUCTION 

Summary of Contents for GFP-710

Page 1: ...TABLE OF CONTENTS Introduction 1 Parts List 2 Voltage Conversion 6 Specifications 7 Chassis Layout PCB Layout Wiring Diagram Schematic 10 Timber Lane Marlboro NJ 07746 USA Tel 732 683 2356 Fax 732 68...

Page 2: ...THERE ARE POTENTIALLY LETHAL VOLTAGES WITHIN THE GFP 710 PREAMPLIFIER WHICH WILL BE ACCESSIBLE ONCE ITS TOP COVER IS REMOVED DO NOT ATTEMPT FAMILIARIZATION INSPECTION OR ANY PROCEDURE WHATSOEVER UNLE...

Page 3: ...c 470uF 35V C303 C304 12005050 Capacitor Elec 470uF 35V C407 C408 12005050 Capacitor Elec 470uF 35V C912 C913 12005050 Capacitor Elec 470uF 35V C907 C908 12005000 Capacitor Elec 6800uF 50V C902 120051...

Page 4: ...4380 Resistor Roed 150 R138 R144 27004380 Resistor Roed 150 R203 R204 27002120 Resistor Roed 261 R906 27002140 Resistor Roed 332 R215 R216 27002170 Resistor Roed 475 R309 R310 27002170 Resistor Roed 4...

Page 5: ...01 R602 27002230 Resistor Roed 6 81K R305 R306 27002240 Resistor Roed 7 5K R515 R516 27002240 Resistor Roed 7 5K R113 27002370 Resistor Roed 8 25K R211 R212 27002250 Resistor Roed 82 5K C905 C906 1200...

Page 6: ...NECTION PCB TX706554 SCHEMATIC ADCOM PART NUMBER DESCRIPTION LOCATION 12001605 Varistor TNR12G241K BM 12001615 Varistor TNR12G431K BY BE OTHERS SCHEMATIC ADCOM PART NUMBER DESCRIPTION LOCATION 2500106...

Page 7: ...6 11001160 Tact Button Connector 13001040 Top Cover...

Page 8: ...here Figure 1 220V Jumper position 230V TO 115V 1 The multivoltage GFP 710 units have a detachable power cord and no rear panel AC outlets 2 Unplug the unit and remove the top cover 3 On the AC prima...

Page 9: ...Weighted High Level 100 db Phono 95 db Input Impedence High Level 25K ohms Phono 47 5K ohms Input Sensitivity Rated Output High Level 205 mV Phono 2 4mV RIAA Accuracy 20Hz 20KHz 0 25 db Tape Output TH...

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