AudioControl 960 961 Manuel de service

1VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961US41R7VC-A411USERVICE MANUALThis document has been published to be used forafter sales service only.T

10VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U3. FUNCTION OF MAJOR MECHANICAL PARTS (TOP VIEW)No. FunctionNo. Function1 Full erase head2 Supply p

11VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFUNCTION OF MAJOR MECHANICAL PARTS (BOTTOM VIEW)No. FunctionNo. Function19 Syncro Gear20 Master cam

12VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVROATSV CD11.10. JiGDRiVER-6 BM9. JiGDRiVERH-4 AP4. Torque Driver JiGTD1200 CB4. ADJUSTMENT, REPLAC

13VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U4-2 MAINTENANCE CHECK ITEMS AND EXECUTION TIMEPerform the maintenance with the regular intervals as

14VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFigure 4-1.• Reassembly1. Before installing the cassette housing control, short-circuit between TP8

15VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U4-5 REEL DISK REPLACEMENT AND HEIGHTCHECK• Removal1. Remove the cassette housing control assembly.2

16VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UNote:Whenever replacing the reel disk, perform the height check-ing and adjustment.Notes:1. Hold th

17VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UNotes:1. Hold the torque gauge by hand so that it is not moved.2. Do not keep the reel disk in lock

18VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFigure 4-11.1. Detach the pinch roller from the capstan shaft.Do not separate excessively. Or the p

19VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U2. Visually check to see if the position of the tension pole iswithin the 0 ± 0.2mm from the left s

2VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UIMPORTANT SERVICE NOTESWARNING :TO REDUCE THE RISK OF FIRE OR ELEC-TRIC SHOCK, DO NOT EXPOSE THIS AP

20VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U• Adjustment1. If the indication of torque cassette meter is lower thanthe setting, shift the tensi

21VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFigure 4-22.• Replacement1. Solder the removed PWB to the new head assembly.2. Adjust the height fr

22VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U4-17 ADJUSTMENT OF TAPE DRIVE TRAIN1. Tape run rough adjustment1 Remove the cassette housing contro

23VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UNotes:1. Previously set the tracking control in the center position,and adjust the ATR signal wavef

24VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U3 Next, press the tracking button (+), (–) and changethe ATR signal waveform from max to min and fr

25VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U4-19 REPLACEMENT OF DRUM D.D. MOTOR1. Set the ejection mode.2. Withdraw the main power plug from th

26VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U4-21 ASSEMBLING OF PHASE MATCHINGMECHANISM COMPONENTS• Assemble the phase matching mechanism compo-

27VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFigure 4-37.4-22 INSTALLING THE SHIFTERFigure 4-36.1. Make sure that the loading arm T and S are at

28VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U4-23 INSTALLING THE MASTER CAM (ATREAR SIDE OF MECHANISM CHASSIS)1. Make sure beforehand that the s

29VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U2. Frame R, Frame L, Drive Arm R, Drive Arm L, UpperPlate.4-25 ASSEMBLY OF CASSETTE HOUSING1. Proof

3VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UNOTES DE SERVICE IMPORTANTESATTENTION: POUR REDUIRE LES RESQUES D'IN-CENDIE OU DE CHOC ELECTRIQ

30VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U5. ELECTRICAL ADJUSTMENTNotes:• Before the adjustment:Electrical adjustments discussed here are oft

31VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961USERVO CIRCUIT ADJUSTMENT5-1 ADJUSTMENT OF HEAD SWITCHINGPOINTMeasuring Color TV monitorinstrumentMo

32VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U1011 1101111101000101000100000100010100010S sensorOpenCloseMode detection insidesensor A111000000Mo

33VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961USTOP REC/PLAYPLAY STILLPLAY VSRVSR PLAYCapstan motor turnscounterclockwise.Is tak

34VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961USTOP FF/REWSTOP CASSETTE EJECTFF/REW STOPNONOFF/REWoperationBrakefunctionTurn capsta

35VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UMECHANISM TROUBLESHOOTING1. FF/REW FAILURE (NO TAPE WINDING)Press FF key.NONONONO NO NONONOYESYESYE

36VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UReplace loading motor block.3. WINDING FAILURE AT VSR 4. UNUSUAL SOUND IN EACH MODEIs Playbackfunct

37VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UYESYESNONONONOYESYESReplace capstan motor.4-ii) Unusual sound in FF/REW modeIs reel disk height as

38VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U7. TROUBLESHOOTINGFLOW CHART NO.1No powerThe fuse blows out even when it is replaced with new one.S

39VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFLOW CHART NO.6No operation is possible from the infrared remote control.Operation is possible from

4VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPRECAUTIONS IN PART REPLACEMENTWhen servicing the unit with power on, be careful to the section mark

40VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFLOW CHART NO.9The cassette tape fails to eject.Does the capstan motor start whenthe EJECT button i

41VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFLOW CHART NO.12The drum motor fails to run.Is the voltage more than about 2.6V DC given out of pin

42VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UFLOW CHART NO.15Drum servo does not function.Check peripheral circuit of X701.Is there 14.318MHz os

43VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U1 2FLOW CHART NO.16Capstan servo does not function.Only PB mode inoperativeYESOnly REC mode inopera

44VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPicture E-E does not appear.Is picture signal input into pins(30) and (31) of IC201?YESYESYESYESYES

45VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPicture (luminance) record is impossible (E-E mode is possible). Although picture record is possibl

46VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPlayback picture does not appear (E-E mode is possible).YESYESYESYESYESYESYESYESNONOYESYESYESYESYES

47VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UYESYESYESYESNONONONONONOFLOW CHART NO.22Is there signal inputted at each terminal of IC651 as shown

48VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961ULinear audio playback is impossible.(Hi-Fi E-E mode is normal).Are MH-AA harness and playback AMP.

49VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U- M E M O -

5VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U1. GENERAL INFORMATION1-1 FEATURESOnly for VC-H960U/H960U(B)/H961U• Hi-Fi Stereo Sound• Built-in MT

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U50~518. BLOCK DIAGRAMSYSTEM SERVO BLOCK DIAGRAM

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U52~53SIGNAL FLOW BLOCK DIAGRAM(VC-A560U(A)/A560U/A56

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U54~55SIGNAL FLOW BLOCK DIAGRAM(VC-H960U/H960U(B)/H96

56VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPOWER CIRCUIT BLOCK DIAGRAM

57VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UIMPORTANT SAFETY NOTICE:PARTS MARKED WITH " å" ( ) AREIMPORTANT FOR MAINTA

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U58~591234567891011 12 13 14 15 16 17 18 19 20ABCDEFG

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U60~611234567891011 12 13 14 15 16 17 18 19 20ABCDEFG

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U62~631234567891011 12 13 14 15 16 17 18 19 20ABCDEFG

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U64~651234567891011 12 13 14 15 16 17 18 19 20ABCDEFG

66VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U* VOLTAGE MEASUREMENT MODEPB ... Parentheses ( )REC ... Without ParenthesesOPERATION

6VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U1-3 LOCATION OF MAJOR COMPONENTS AND CONTROLLED Indicator (explained throughout the operation Instr

67VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UABCDEFGHIJ12345678910PWB FOIL PATTERNOPERATION PWB

VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UVC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U68~691234567891011 12 13 14 15 16 17 18 19 20ABCDEFG

70VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U- M E M O -

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code71VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPRINTED WIRING BOARD ASSEMB

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code72VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UTRANSISTORSQ251 VS2SA1530AR

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code73VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UC221 VCEA9M1CW106M V 10 16V

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code74VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UC685 VCCCCY1HH560J V 56p 50

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code75VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UR502 VRS-CY1JF273J V 27k 1/

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code76VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UR756 VRS-CY1JF103J V 10k 1/

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code77VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UMECHANISM CHASSIS PARTS1 LB

7VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U2. DISASSEMBLY AND REASSEMBLY2-1 DISASSEMBLY OF MAJOR BLOCKSTOP CABINET : Remove 2 screws 1.FRONT P

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code78VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U61 RMOTNA001WJZZ V Capstan

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code79VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UCABINET PARTS600 GCABA3169A

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code80VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U11. EXPLODED VIEW OF MECHAN

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code81VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UCASSETTE HOUSING CONTROL PA

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code82VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UCABINET PARTSABCDEFGH123456

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code83VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPRECAUTION ON FRONT PANEL S

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code84VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UPRECAUTION ON FRONT PANEL S

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code85VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U12. PACKING OF THE SET Set

Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code86VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961USHARP CORPORATIONAV Systems

8VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961UMECHANISM CHASSIS2-2 DISASSEMBLING THE MECHANISM/MAIN PWB ASSEMBLY1. When removing the mechanism fr

9VC-A560U(A)/A560U/A560U(B)VC-H960U/H960U(B)/H961U2-3 CARES WHEN REASSEMBLINGINSTALLING THE CASSETTE HOUSINGWhen the cassette housing is installed on