Roadstar HIF-6880USMPT, Service Manual

Page 1: ...HIF 6880USMPT...

Page 2: ...ICATIONS CONTENTS AM FM TUNER SECTION DISASSEMBLY INSTRUCTIONS 3 ADJUSTMENT LOCATIONS 4 ALIGNMENT PROCEDURES 5 12 IC BLOCK DIAGRAMS 16 20 VOLTAGE CHARTS 13 15 BLOCK DIAGRAM 21 WIRING DIAGRAM 22 PRINTE...

Page 3: ...tive maton the floorand desk andwear a wrist band connected to groundthrough a 1Mohm resistor to protect the laserdiode from staticdamage If thelens should get dusty blow off thedust carefully fromthe...

Page 4: ...DISASSEMBLY INSTRUCTIONS MODEL NE 562 3 SCREW3X10PA SCREW3X10PA SCREW3X10PA...

Page 5: ...ADJUSTMENT LOCATIONS 4...

Page 6: ...HEAD AZIMUTH AC VOLT METER MTT 113N ADJUST THE R P HEAD TAPE OSCILLOSCOPE 6 3KHz SCREW FOR MAX POSITION CONNECT TO SPEAKER OUTPUT OR DUMMY LOAD 3 PLAYBACK SAME AS ABOVE MTT 257 CHECK FREQ TAPE FREQ R...

Page 7: ...HEAD AZIMUTH AC VOLT METER MTT 113N ADJUST THE R P HEAD TAPE OSCILLOSCOPE 6 3KHz SCREW FOR MAX POSITION CONNECT TO SPEAKER OUTPUT OR DUMMY LOAD 3 PLAYBACK SAME AS ABOVE MTT 257 CHECK FREQ TAPE FREQ RE...

Page 8: ...s 3 and 4 MW IF Connect standard loop Connect input terminal MW in band Adjust tor max amplitude 1 Adjustment antenna to output ter genescope to detector end T302 with symmetrical 450 kHz minal of gen...

Page 9: ...Locked 90 1 MHz db 26 32 Sensitivity 98 1 MHz db 26 32 106 1 MHz db 26 32 ACA 300 KHz db 20 15 2 Signal 300 KHz db 20 15 Image Rejection AT 106 1 MHz db 22 16 IF Rejection AT 90 1 MHz db 50 40 3db Lim...

Page 10: ...B M 60 66 1404 KHz dB M 60 66 Auto Locked 612 KHz dB M 66 70 Sensitivity 999 KHz dB M 66 70 1404 KHz dB M 66 70 S N 5mv M dB 35 30 ACA 9 KHz dB 18 12 9 KHz dB 18 12 Band Width 6dB Side KHz 3 10 Side K...

Page 11: ...at 1 KHz dB 0 0 at 10 KHz dB 3 6 at KHz dB P B S N 1K odB DC Opetation dB AC Optetaion dB 45 40 Min Vol Hum Noise AC Optetaion mv 1 3 Max Vol Hum Noise AC Optetaion mv 20 30 10 THD Output 1KHz odB RM...

Page 12: ...b at 90 Sec Recovery time for 20db at 90 Sec R P Frep Response at 100 Hz dB 3 6 REC CD 20dB at 1 KHz dB 0 3 at 10 KHz dB 3 6 R P S N Built Mic dB FM 1mv in dB 38 33 R P THD at 10dB 1KHz 5 10 R P Chann...

Page 13: ...C Opetation dB AC Optetaion dB 55 50 Hum Noise Min Vol mv 2 3 AC Optetaion Max Vol mv 5 8 10 THD Output RMS mw 4500 4000 THD 20dB at 1 KHz 1 3 Channel Separation R L dB 40 30 YEDS 0dB L R dB 40 30 Cha...

Page 14: ...0 0 22 FM 2 19 0 0 0 2 3 3 64 3 9 0 02 0 0 02 4 45 0 0 0 0 3 2 18 IC301 FM ST 2 2 0 0 0 2 3 3 64 3 79 3 79 0 0 02 4 45 0 0 0 0 2 2 18 LC72131 PINS 17 18 19 20 21 22 AM 4 5 0 82 0 82 3 1 0 2 3 FM 4 5 0...

Page 15: ...47 48 RADIO 0 0 0 0 2 86 1 81 2 86 0 0 0 0 2 73 2 73 3 4 3 54 2 91 CD 0 2 88 0 0 2 86 1 81 2 86 0 0 2 79 0 0 0 0 06 0 3 2 91 TAPE 0 0 0 0 2 86 1 81 2 86 0 0 0 0 2 73 2 73 0 03 0 7 2 91 AUX 0 0 0 0 2...

Page 16: ...7 88 89 90 91 92 93 94 95 96 DSP 0 0 1 61 1 7 2 07 0 2 88 0 2 75 1 63 0 0 06 0 0 0 0 PINS 97 98 99 100 DSP 0 0 07 1 69 0 PINS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SSP 1 71 1 75 1 69 1 52 1 7 3 38 1...

Page 17: ...16 IC BLOCK DIAGRAM MODEL NE 562...

Page 18: ...17 IC BLOCK DIAGRAM MODEL NE 562...

Page 19: ...18 IC BLOCK DIAGRAM MODEL NE 562...

Page 20: ...19 IC BLOCK DIAGRAM MODEL NE 562...

Page 21: ...20 IC BLOCK DIAGRAM MODEL NE 562...

Page 22: ...BLOCK DIAGRAM 21...

Page 23: ...WIRING DIAGRAM 22...

Page 24: ...SCHEMATIC DIAGRAMS 22 23...

Page 25: ...SCHEMATIC DIAGRAMS 23 24...

Page 26: ...SCHEMATIC DIAGRAMS 24 25...

Page 27: ...SCHEMATIC DIAGRAMS 25 26...

Page 28: ...SCHEMATIC DIAGRAMS 26 27...

Page 29: ...SCHEMATIC DIAGRAMS 27 28...

Page 30: ...SCHEMATIC DIAGRAMS 28 29...

Page 31: ...SCHEMATIC DIAGRAMS 28 30...

Page 32: ...PRINTED CIRCUIT BOARDS 31 173 056320 01 173 056301 09...

Page 33: ...PRINTED CIRCUIT BOARDS 32 173 056320 01...

Page 34: ...PRINTED CIRCUIT BOARDS 33...

Page 35: ...PRINTED CIRCUIT BOARDS 34 173 056351 01 173 056356 01 173 0563 1 09...

Page 36: ...35 EXPLODED VIEW PARTS LIST CABINET MODEL NE 562...

Page 37: ...36 EXPLODED VIEW PARTS LIST CABINET 56 57...

Page 38: ...056205 0101 VOLUME LIGHT BOARD 1 17 199 000002 01 OIL DAMPER 1 18 408 056217 2490 CD OPEN BUTTON 1 S1 203 300200 10 SCREW 3X10 PA 44 19 148 030000 40 LED 3 S2 203 300200 12 SCREW 3X12 PA 7 20 134 0562...