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Aiwa HV-FX5100 service manual Troubleshooting Guide, E-16

Models: HV-FX5100

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Page 39

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TROUBLESHOOTING GUIDE

NO COLOR DURING SELF

RECORDING AND PLAYBACK


Does VIDEO signal app	ear	No	Replace J4501.
at pin 31 of IC4001 ?			Check VIDEO input circuit.
at pin 31 of IC4001 ?			Check VIDEO input circuit.

	Yes
	Does color signal at	No
	Does color signal at	Check IC4001.
	pin 52 of IC4001 ?	Check IC4001.
	pin 52 of IC4001 ?
	Yes
	Check Q4802 EMITTER.

E-16

Page 39

Image 39

Aiwa HV-FX5100 service manual Troubleshooting Guide, E-16

Contents

SPECIFICATIONS S/M Code No. 09-996-332-2N1VIDEO CASSETTE RECORDER BASIC TAPE MECHANISM OVD-6TABLE OF CONTENTS 1.KEEP THE NOTICES SERVICING NOTICES ON CHECKINGIMPORTANT NOTICE 4.PERFORM A SAFETY CHECK AFTER SERVICING1-3 DECK CHASSIS Refer to Fig DISASSEMBLY INSTRUCTIONS1.REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS 1-2 FLAP Refer to Fig2-3 TAPE GUIDE L Refer to Fig. 2-3-A 2. REMOVAL OF DECK PARTSDISASSEMBLY INSTRUCTIONS 2-1 TOP BRACKET Refer to Fig2-7 LOADING MOTOR ASSY Refer to Fig DISASSEMBLY INSTRUCTIONS2-6 LINK ASSY Refer to Fig 2-9 TENSION ASSY Refer to Fig. 2-9-A2-13 A/C HEAD Refer to Fig. 2-13-A DISASSEMBLY INSTRUCTIONSRefer to MECHANICAL ADJUSTMENT 2-11 S REEL/T REEL ASSY Refer to Fig2-17 MIDDLE GEAR/MAIN CAM Refer to Fig. 2-17-A DISASSEMBLY INSTRUCTIONS2-15 AHC ASSY/CYLINDER UNIT ASSY Refer to Fig 2-16 CAPSTAN DD UNIT Refer to FigB2-5 DISASSEMBLY INSTRUCTIONS2-19 LOADING GEAR S/T ASSY Refer to Fig. 2-19-A 2-20 INCLINED S/T ASSY Refer to FigA.PB KEY TO ABBREVIATIONSH.SW AFT DETTRAC KEY TO ABBREVIATIONSSYNC SYNC SEPC2-1 SERVICE MODE LISTMethod OperationsPREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF USING HOURSC3-1 2. TAPE RUNNING SYSTEM CLEANINGPREVENTIVE CHECKS AND SERVICE INTERVALS 1. AUDIO CONTROL HEADC4-1 NOTE FOR THE REPLACING OF MEMORY ICRemarks SERVICING FIXTURES AND TOOLSPREPARATION FOR SERVICING How to use the Servicing FixtureC6-1 VCR TEST TAPE INTERCHANGEABILITY TABLEMECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENTD1-1 1-5 CONFIRMATION OF REEL BRAKE TORQUE MECHANICAL ADJUSTMENTSRefer to the ELECTRICAL ADJUSTMENTS 1-4 CONFIRMATION OF VSR TORQUERefer to item MECHANICAL ADJUSTMENTS2-3 TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT Refer to SERVICING FIXTURE AND TOOLS3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE MECHANICAL ADJUSTMENTSD1-4 INSTRUCTIONS ELECTRICAL ADJUSTMENTS1. BASIC ADJUSTMENT 1-1 PG SHIFTER CONDITIONSD2-2 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDESYSCON PCB ELECTRICAL ADJUSTMENTSTROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE Yes Check AUDIO BLOCK TROUBLESHOOTING GUIDEAUDIO SHAKES Is AUDIO HEAD scratched ? No Is input level at pin 85 of IC1002 about 0.4Vp-p?TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE ing at TROUBLESHOOTING GUIDECheck pins 9 and 10 of IC1002 lines FF/REW DO NOT WORKTROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE E-10 TROUBLESHOOTING GUIDEE-11 TROUBLESHOOTING GUIDEE-12 TROUBLESHOOTING GUIDEE-13 TROUBLESHOOTING GUIDEYes Check Q4802 circuit TROUBLESHOOTING GUIDEDoes COMPOSITEsignal appear at pin 52 of IC4001? NO COLOR DURING PLAYBACKE-15 TROUBLESHOOTING GUIDEE-16 TROUBLESHOOTING GUIDEE-17 TROUBLESHOOTING GUIDEE-18 TROUBLESHOOTING GUIDEE-19 TROUBLESHOOTING GUIDEE-20 TROUBLESHOOTING GUIDEE-21 TROUBLESHOOTING GUIDEE-22 TROUBLESHOOTING GUIDEE-23 TROUBLESHOOTING GUIDERefer to section NO E-E TROUBLESHOOTING GUIDENO E-EAUDIO STEREO Does audio appearE-25 TROUBLESHOOTING GUIDEat pin 25 of IC6601 ? TROUBLESHOOTING GUIDEDoes signal appear NO TUNER AUDIO STEREOE-27 TROUBLESHOOTING GUIDEE-28 TROUBLESHOOTING GUIDEDescription IC DESCRIPTIONSPin No Pin NameDescription IC DESCRIPTIONSPin No Pin NameSERVO TIMING CHART SYSTEM SWITCH MODE 44PIN SEMICONDUCTOR BASE CONNECTIONSDIODE TRANSISTORY/C/AUDIO/HEAD AMP BLOCK DIAGRAM SYSTEM CONTROL/SERVO/TIMER BLOCK DIAGRAM Y/C/AUDIO HAED AMPTUNER/HIFI 21PIN/OSD/VPS NICAM TUNER/HIFI/21PIN/OSD/VPS/NICAM BLOCK DIAGRAM SERVO/TIMERSYSCON OPERATION BLOCK DIAGRAM POWER BLOCK DIAGRAMOPERATION 0RSQY RSQYPage OPERATION PRINTED CIRCUIT BOARDSOPERATION DECKPRINTED CIRCUIT BOARDS SYSCON IC6601IC4001 PRINTED CIRCUIT BOARDS SYSCON Q1005Q1002 IC651 PRINTED CIRCUIT BOARDS SYSCON1005 Q1002Page Page 9aW7 gR7nag gQVSOiWQ RWOUdO 0gsgQ aQP1 efRc6UVSV dPURNeVP QVNTcN dkdP aPO0W488 1huhRdc eRQ2 SXheaPu hRWTbPjXR SXPVgPblED 1F6bj6A9 VP2 PcdST RdccTRjXdcuYSP‘ X59B 1 REC SYSCON/SERVO/TIMERWAVEFORMS Y/C/AUDIO/HEAD AMPL1-1 MECHANICAL EXPLODED VIEWMECHANICAL REPLACEMENT PARTS LIST ACCESSORY REPLACEMENT PARTS LISTL2-1 M1-1 CHASSIS EXPLODED VIEW TOP VIEWM1-2 CHASSIS EXPLODED VIEW BOTTOM VIEWM2-1 CHASSIS REPLACEMENT PARTS LISTSYSCON PCB ASSY ELECTRICAL REPLACEMENT PARTS LISTELECTRICAL REPLACEMENT PARTS LIST AND OTHERS ELECTRICAL REPLACEMENT PARTS LISTOPERATION 1 PCB ASSY OPERATION 2 PCB ASSY920074