Equipment information

Aiwa HV-GX900 Video cassette recorder
Manufacturer:
Model:
HV-GX900
Date:
Category:
Group:
Description:

Information

POWER REQUIREMENTS ................. 230 V AC, 50 Hz POWER CONSUMPTION ................... 14W WEIGHT .............................................. 3.5 kg (7.7 lbs.) DIMENSIONS ...................................... 380 mm (W) x 267 mm (D) x 95 mm (H) (15 x 10 5/8 x 3 3/4 in.) OPERATING TEMPERATURE ........... 5°C to 40°C VIDEO RECORDING SYSTEM .......... Rotary 2 head helical scanning system VIDEO SIGNAL SYSTEM ................... PAL colour system, 625 lines, 50 fields VIDEO HEAD ...................................... Azimuth 2 heads USABLE CASSETTES ........................ VHS video cassette CHANNEL COVERAGE ...................... UHF: 21 to 69 RF OUTPUT ........................................ UHF channels between 23 and 69, 73 dBμ HORIZONTAL RESOLUTION ............ 240 lines TIMER BACKUP ................................. 30 minutes TV Multimedia">Tuner SYSTEM ................................ Frequency synthesized TV Multimedia">Tuner TV SYSTEM ........................................ I TAPE SPEED ................................... PAL SP: 23.39 mm/sec LP: 11.69 mm/sec NTSC (playback only) SP: 33.35 mm/sec RECORDING/PLAYBACK TIME ..... PAL SP: 5 hours with E-300 tape LP: 10 hours with E-300 tape NTSC (playback only) SP: 3 hours 30 minutes with T-210 tape VIDEO INPUT ................................... 1.0 Vp-p, 75 ohm, unbalanced VIDEO OUTPUT .............................. 1.0 Vp-p, 75 ohm, unbalanced VIDEO S/N ....................................... 53 dB (nominal) AUDIO INPUT .................................. –3.8dBs, 50K ohm AUDIO OUTPUT .............................. –3.8dBs, less than 1 Kohm AUDIO TRACK ................................. 1 track (Mono) FAST-FORWARD TIME ................... 135 seconds with E-180 tape REWIND TIME ................................. 108 seconds with E-180 tape

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Service Manual
Manual Type:
Service Manual
Pages:
90
Size:
3.06 Mbytes (3205181 Bytes)
Language:
english
Revision:
Manual-ID:
09-975-331-5N1
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2017 10 10
MD5:
20d8b405132d5309d3a1378a03bc9562
Downloads:
1062

Information

SPECIFICATIONS ... COVER TABLE OF CONTENTS ... A-1 SERVICING NOTICES ON CHECKING ... A-2 IMPORTANT NOTICE ... A-2 DISASSEMBLY INSTRUCTIONS REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ... B1-1 REMOVAL OF DECK PARTS ... B2-1~B2-5 KEY TO ABBREVIATIONS ... C1-1, C1-2 SERVICE MODE LIST ... C2-1 PREVENTIVE CHECKS AND SERVICE INTERVALS ... C3-1, C3-2 NOTE FOR THE REPLACING OF MEMORY IC ... C4-1 SERVICING FIXTURES AND TOOLS ... C5-1 PREPARATION FOR SERVICING ... C5-1 VCR TEST TAPE INTERCHANGEABILITY TABLE ... C6-1 MECHANICAL ADJUSTMENTS CONFIRMATION AND ADJUSTMENT ... D1-1, D1-2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM ... D1-2, D1-3 MECHANISM ADJUSTMENT PARTS LOCATION GUIDE ... D1-4 ELECTRICAL ADJUSTMENTS BASIC ADJUSTMENTS ... D2-1 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE ... D2-2 TROUBLESHOOTING GUIDES ... E-1~E-23 IC DESCRIPTIONS ... F-1, F-2 SERVO TIMING CHART ... G-1 SYSTEM SWITCH MODE ... G-2 BLOCK DIAGRAMS Y/C/AUDIO/HEAD AMP (HV-GX900K) ... H-1 SYSTEM CONTROL/SERVO/TIMER (HV-GX900K) ... H-2 TUNER/HIFI/21PIN/OSD/VPS (HV-GX900K) ... H-3 OPERATION/POWER ... H-4 Y/C/AUDIO/HEAD AMP (HV-GX950K) ... H-5 SYSTEM CONTROL/SERVO/TIMER (HV-GX950K) ... H-6 TUNER/HIFI/21PIN/OSD/VPS (HV-GX950K) ... H-7 PRINTED CIRCUIT BOARDS (DECK/OPERATION 1/2) ... I-1 OPERATION SCHEMATIC DIAGRAM ... I-2 DECK SCHEMATIC DIAGRAM ... I-3 PRINTED CIRCUIT BOARDS (SYSCON) (HV-GX900K) ... I-4~I-6 Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (HV-GX900K) ... I-7 SYSTEM CONTROL/SERVO/TIMER SCHEMATIC DIAGRAM (HV-GX900K) ... I-8 21PIN/OSD/VPS SCHEMATIC DIAGRAM (HV-GX900K) ... I-9 TUNER/HIFI SCHEMATIC DIAGRAM (HV-GX900K) ... I-10 POWER SCHEMATIC DIAGRAM (HV-GX900K) ... I-11 DISPLAY SCHEMATIC DIAGRAM ... I-12 INTERCONNECTION DIAGRAM (HV-GX900K) ... I-13 PRINTED CIRCUIT BOARDS (SYSCON) (HV-GX950K) ... I-14~I-16 Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (HV-GX950K) ... I-17 SYSTEM CONTROL/SERVO/TIMER SCHEMATIC DIAGRAM (HV-GX950K) ... I-18 21PIN/OSD/VPS SCHEMATIC DIAGRAM (HV-GX950K) ... I-19 TUNER/HIFI SCHEMATIC DIAGRAM (HV-GX950K) ... I-20 POWER SCHEMATIC DIAGRAM (HV-GX950K) ... I-21 INTERCONNECTION DIAGRAM (HV-GX950K) ... I-22 SEMICONDUCTOR BASE CONNECTIONS ... J-1 WAVEFORMS ... K-1 MECHANICAL EXPLODED VIEW ... L1-1 MECHANICAL REPLACEMENT PARTS LIST ... L2-1 ACCESSORY REPLACEMENT PARTS LIST ... L2-1 CHASSIS EXPLODED VIEW (TOP VIEW) ... M1-1 CHASSIS EXPLODED VIEW (BOTTOM VIEW) ... M1-2 CHASSIS REPLACEMENT PARTS LIST ... M2-1 ELECTRICAL REPLACEMENT PARTS LIST ... N-1~N-3

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