Roadstar HIF-6880USMPT Service Manual

Portable radio cassette with cd&mp3 player

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HIF-6880USMPT

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Page 1 HIF-6880USMPT...
Page 2: Table Of Contents
CAUTION: Before servicing the chassis, read the " important service safety information" section on page 2 of this manual. PORTABLE RADIO CASSETTE WITH CD&MP3 PLAYER SPECIFICATIONS CONTENTS AM/FM TUNER SECTION IMPORTANT SERVICE SAFETY INFORMATION---2 DISASSEMBLY INSTRUCTIONS--------------------- 3 ANTENNA SYSTEM AM: FERRITE BAR FM: LEAD WIRE AND ADJUSTMENT LOCATIONS----------------------------4 AM: 522 - 1620 kHz...
Page 3: Important Service Safety Information
IMPORTANT SERVICE SAFETY INFORMATION 1. SAFETY PRECAUTIONS ANTENNA Before returning a unit to the customer, always make a safety TERMINAL check of the entire unit, including, but not limited to the following items: EXPOSED a. Be sure that no built-in protective devices are defective METAL PART and/or have been defeated during servicing.
Page 4: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS SCREW 3X10PA SCREW 3X10PA SCREW 3X10PA...
Page 5: Adjustment Locations
ADJUSTMENT LOCATIONS...
Page 6: Alignment Procedures
ALIGNMENT PROCEDURES CASSETTE SECTION NE-562MP3 DATE:12-ARP-2004 STEP ITEM TEST EQUIPMENT TEST TAPE ADJUST REMARK MOTOR SPEED WOW/FLUTTER METER MTT-111N (1)CHECK MOTOR ADJ. & WITH FREQ. COUNTER (3KHz) SPEED TO 3KHz +3%-2% TAPE WOW/FLUTTER CONNECT TO SPEAKER POSITION CHECK OR DUMMY LOAD HEAD AZIMUTH AC VOLT METER MTT-113N...
Page 7 ALIGNMENT PROCEDURES CASSETTE SECTION NE-562MP3 DATE:28-JUL-2004 STEP ITEM TEST EQUIPMENT TEST TAPE ADJUST REMARK MOTOR SPEED WOW/FLUTTER METER MTT-111N (1)CHECK MOTOR ADJ. & WITH FREQ. COUNTER (3KHz) SPEED TO 3KHz +3%-2% TAPE WOW/FLUTTER CONNECT TO SPEAKER POSITION CHECK OR DUMMY LOAD HEAD AZIMUTH AC VOLT METER MTT-113N...
Page 8 ALIGNMENT PROCEDURES MODEL:HIF-6880USMPT FM AND AM RF ALIGNMENT CHART ( IF ) Date: Step item Input Circuit Output Circuit Tuner Adj - Adjustment Setup Setup setting Point Unless otherwise specified set switches as follows: Function: FM Adjust generator frequency to a center of the FM band where no FM broadcast exists...
Page 9 ALIGNMENT PROCEDURES FM RECEIVER PERFORMANCE DATA Date: MODEL: NE-563PLL+MP3 (5W) Band: Supply Voltage: AC 230 V Measured By: Standard Output: Dummy Load: Approved By: Modulation: 1 KHz 22.5 KHZ DEV EQ or Tone at Flat Place Bass OFF Place Measuring Items Unite Norm Limit...
Page 10 ALIGNMENT PROCEDURES MW RECEIVER PERFORMANCE DATA Date: MODEL: NE-563PLL+MP3 (5W) Band: Supply Voltage: AC 230 V Measured By: Standard Output: Dummy Load: Approved By: Modulation: 1 KHz 30% EQ or Tone at Flat Place Bass OFF Place Measuring Items Unite Norm Limit Sample1...
Page 11 ALIGNMENT PROCEDURES CASSETTE PLAYBACK PERFORMANCE DATA Date: MODEL: NE-563 PLL&MP3 (5W) Supply Voltage: AC 230 V Standard Output: Measured By: Dummy Load: 0DB=1V Approved By: EQ or Tone at Flat Place Bass OFF Place Tape Speed 4.76cm/sec.1 Measuring Items Unite Norm Limit Sample1...
Page 12 ALIGNMENT PROCEDURES CASSETTER REC/PLAY PERFORMANCE DATA Date: MODEL: NE-563 PLL&MP3 (5W) Supply Voltage: AC 230 V Standard Output: Measured By: Dummy Load: 0DB=1V Approved By: EQ or Tone at Flat Place Bass OFF Place Tape Speed 4.76cm/sec.1 Measuring Items Unite Norm Limit Sample1...
Page 13 ALIGNMENT PROCEDURES NELSON ELECTRONICS LTD CD PLAYBACK PERFORMANCE DATA Date: MODEL: NE-563 PLL+MP3 (5W) Supply Voltage: AC 230 V Standard Output: Measured By: Dummy Load: 0dB=1V Approved By: EQ or Tone at Flat Place Bass OFF Place Measuring Items Unite Norm Limit Sample1...
Page 14: Voltage Charts
VOLTAGE CHARTS IC VOLTAGE TABLE {DC12V,NO SIGNAL INPUT (EXCEPT FM STEREO BAND),VOLUME MINMUN} AC 230V 50HZ LA1823 &LC72131 & AN7312 & PT2313L MODEL : NE-562MP3 5W TA8229K & PT2221 & S3C825AX27 TUNER LA1823+LC72131 S1l9226X01 & KA9259D & S5L9279X01 & JF1M16SDT-7 PINS 1.27 1.27 4.61 4.61 2.62 0.02 3.38...
Page 15 VOLTAGE CHARTS PINS DRAM 3.41 2.52 2.42 2.21 3.41 2.19 3.41 3.41 3.41 SDRAM PINS DRAM 3.41 3.41 3.41 0.21 3.41 PINS DRAM 0.11 1.69 3.41 3.41 2.44 2.45 2.41 2.45 3.41 2.43 2.44 2.43 2.45 PINS DRAM 2.45 PINS RADIO 1.41 2.88...
Page 16 VOLTAGE CHARTS PINS 2.07 2.07 1.69 3.38 3.38 1.69 PINS 3.38 1.66 3.38 3.38 S5L9279 PINS 3.38 3.31 3.37 3.38 2.07 2.45 2.46 2.51 2.46 2.48 PINS 2.46 2.48 2.09 2.82 2.62 0.77 0.73 0.36 2.76 2.07 1.13 PINS 2.76 1.72 3.38 3.38 3.38 3.38 3.38 1.69 PINS...
Page 17: Ic Block Diagram
IC BLOCK DIAGRAM...
Page 18 IC BLOCK DIAGRAM...
Page 19 IC BLOCK DIAGRAM...
Page 20 IC BLOCK DIAGRAM...
Page 21 IC BLOCK DIAGRAM...
Page 22: Block Diagram
BLOCK DIAGRAM...
Page 23: Wiring Diagram
WIRING DIAGRAM...
Page 24: Schematic Diagrams
SCHEMATIC DIAGRAMS...
Page 25 SCHEMATIC DIAGRAMS...
Page 26 SCHEMATIC DIAGRAMS...
Page 27 SCHEMATIC DIAGRAMS...
Page 28 SCHEMATIC DIAGRAMS...
Page 29 SCHEMATIC DIAGRAMS...
Page 30 SCHEMATIC DIAGRAMS...
Page 31 SCHEMATIC DIAGRAMS...
Page 32: Printed Circuit Boards
PRINTED CIRCUIT BOARDS 173-056320-01 173-056301-09...
Page 33 PRINTED CIRCUIT BOARDS 173- 056320- 01...
Page 34 PRINTED CIRCUIT BOARDS...
Page 35 PRINTED CIRCUIT BOARDS 173-056351-01 173-056301-09 173-056356-01...
Page 36: Exploded View/Parts List (Cabinet)
EXPLODED VIEW/PARTS LIST (CABINET)
Page 37 EXPLODED VIEW/PARTS LIST (CABINET)
Page 38 EXPLODED VIEW/PARTS LIST (CABINET) ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 357-056220-6500 CASSETTE KNOB COVER 238-056200-11 CASS DOOR DECORATION 358-056210-6500 CASSETTE DOOR 188-000402-00 LEAF SWITCH 333-056200-8890 FRONT LENS 461-000050-01 Cd pcb mounting bracket 425-059501-1C20 CASSETTE KNOB – PLAY 461-000051-01 Cd pcb mounting bracket 425-059500-1C20 CASSETTE KNOB...

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Ne-563

Roadstar HIF-6880USMPT Service Manual

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