Page 2 - TABLE OF CONTENTS
TABLE OF CONTENTS SPECIFICATIONS ..............................................................................................................................................................TABLE OF CONTENTS ..............................................................................................
Page 3 - SERVICING NOTICES ON CHECKING; USE THE DESIGNATED PARTS; IMPORTANT NOTICE
SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES As for the places which need special attentions, they areindicated with the labels or seals on the cabinet, chassisand parts. Make sure to keep the indications and noticesin the operation manual. 2. USE THE DESIGNATED PARTS The parts in this equipmen...
Page 4 - DISASSEMBLY INSTRUCTIONS; REMOVAL OF MECHANICAL PARTS
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS 1-1: TOP CABINET, FRONT CABINET AND OPERATION 1, 2 PCB (Refer to Fig. 1-1) 1.2.3.4.5.6.7. Remove the 4 screws 1 . Remove the Top Cabinet in the direction of arrow (A).Disconnect the following connectors: (CP651 and CP652).Unlock...
Page 5 - REMOVAL OF DECK PARTS; NOTE
DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DECK PARTS 2-1: TOP BRACKET (Refer to Fig. 2-1) Remove the 2 screws 1 . Slide the 2 supports 2 and remove the Top Bracket. 1.2. NOTE When you install the Top Bracket, install the screw (1)first, then install the screw (2). 1 (2) Top Bracket Top Bracket Main Cha...
Page 10 - KEY TO ABBREVIATIONS
KEY TO ABBREVIATIONS A B C D E F G H A/CACCAEAFCAFTAFT DETAGCAMPANTA.PBAPCASS'YATAUTOA/VBGPBOTBPFBRAKE SOLBUFFB/WCCASECAPCARRCHCLKCLOCK (SY-SE)COMBCONVCPMCTLCYLCYL-MCYL SENSDATA (SY-CE)dBDCDD UnitDEMODDETDEVEEFEMPHENCENVEOTEQEXTFFBCFEFFFGFL SWFMFSCFWDGENGNDH.P.F :::::::::::::::::::::::::::::::::::::...
Page 12 - SERVICE MODE LIST; Method
SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. Method Operations Press both PLAY button andCH UP button on the set formore than 2 seconds. PLAY/REC total hours are displayed on the FIP.Refer to the "PREVENTIVE CHECKS AND SERVIC...
Page 13 - PREVENTIVE CHECKS AND SERVICE INTERVALS; CONFIRMATION OF USING HOURS
PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Unless maintenance is properlycarried out, the following service intervals may be quite shortened as harmful effects may be had on other parts.Also, long term storage or misuse may cau...
Page 14 - CLEANING; TAPE RUNNING SYSTEM
PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE After cleaning the heads with isopropyl alcohol, do notrun a tape until the heads dry completely. If the headsare not completely dry and alcohol gets on the tape,damage may occur. 1. AUDIO CONTROL HEAD Wrap a piece of chamois around your finger. ...
Page 15 - NOTE FOR THE REPLACING OF MEMORY IC; Table 1
NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken toensure correct data settings while making reference to TABLE 1. Table 1 ADDRESS DATA ADDRESS DATA ADDRESS DATA ADDRESS DATA ADDRESS DATA CC ...
Page 16 - SERVICING FIXTURES AND TOOLS; Remarks; PREPARATION FOR SERVICING; How to use the Servicing Fixture
(For 2 speed model)VHS Alignment TapeJG001CJG001DJG001V (TTV-P2)(TTV-P1L)(VP S-X6 ) (For 1 speed model)VHS Alignment TapeJG001EJG001FJG001U SERVICING FIXTURES AND TOOLS JG100A Torque Tape (VHT-063) JG024A JG022 Master Plane JG153 X Value Adjustment Screwdriver JG005 Post Adjustment Screwdriver Part ...
Page 17 - VCR TEST TAPE INTERCHANGEABILITY TABLE
TTV-P16 TTV-P7 TTV-P2 TTV-P1L TTV-P1 TTV-N7A TTV-N2 TTV-N1E TTV-N1 NTSC NTSC, Color,1kHz, SP NTSC, Color,1kHz, EP NTSC, Color,1kHz, SP PAL, Color,1kHz, SP PAL, Color,1kHz, LP PAL, Stairsteps,1kHZ, SP, HiFi,1kHz NTSC, Stairsteps,7kHz, SP NTSC, Stairsteps,1kHz, SP, HiFi400Hz TTV-N12 (SCV-1998) CH-2(3)...
Page 18 - MECHANICAL ADJUSTMENTS; CONFIRMATION AND ADJUSTMENT; -2: CONFIRMATION AND ADJUSTMENT OF TENSION; • USING A CASSETTE TYPE TORQUE TAPE (JG100A)
MECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENT Read the following NOTES before starting work. • • Place an object which weighs between 450g~500g onthe Cassette Tape to keep it steady when you want tomake the tape run without the Cassette Holder. (Do notplace an object which weighs over 500g.)...
Page 19 - CONFIRMATION AND ADJUSTMENT
MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE Operate within 4~5 seconds after the reel disk begins toturn.Install the Torque Gauge (JG002F) and Adapter (JG002B)on the S Reel. Set to the Rewind mode. (Refer to Fig.1-4)Then, confirm that it indicates 120~180gf•cm. 1. 2. 3. NOTE Install the T...
Page 21 - MECHANISM ADJUSTMENT PARTS LOCATION GUIDE
MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1 2 3 4 5 6 7 8 9 11 10 12 7.8.9. 10.11.12. P4 PostT Brake SpringT Reel Ass'yIdler Ass'yS-S Brake SpringS Reel 1. Tension Adjust2. Tension Arm3. Guide Roller4. P1 Post5. Audio/Control Head6. X value adjustment driver hole D1-4
Page 22 - CAUTION
ELECTRICAL ADJUSTMENTS CAUTION When replacing IC's or transistors, use only specifiedsilicon grease (YG6260M).(To prevent the damage to IC's and transistors.) 1-1: PG SHIFTER CONDITIONS MODE-PLAYBACKInput Signal-Alignment Tape (JG001C) INSTRUCTIONS Connect CH-1 on the oscilloscope to TP4001 and CH-2...
Page 23 - ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE
ELECTRICAL ADJUSTMENTS 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON PCB T501 J4501 TP4002 TP4001 TU6001 TP1002 TP1001 D2-2
Page 25 - TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE POWER SHUTS OFF Insert a cassette and pressPLAY button. Yes No Yes No Check REEL SENSOR andBELT CAPSTAN. Does it Power off in about3 seconds ? Check POWER BLOCK. Does it Power off inabout 6 seconds ? Check TAPE LOADING,LOADING BELT, DD MOTORand CYLINDER MOTOR. E-2
Page 52 - IC DESCRIPTIONS; Pin Name
IC DESCRIPTIONS OEC7035A Pin No. Pin Name I/O Description 1 AFT-SC I AFT S Curve input for tuner. 2 AGC-DET I Input of CASS DOWN, TAB switch and setting of service mode. 3 EOT I Tape end sensor input signal. 4 BOT I Tape start sensor input signal. 5 RF SW/A-ENV I Ground. 6 V-ENV I Input terminal of ...
Page 54 - SERVO TIMING CHART
SERVO TIMING CHART IC1001 (OEC7035A) DPG *6 PIN DFG *7 PIN H. SW. P !8 PIN CH 1 CH 2 V-SYNC (E-E) *4 PIN REC CTL (REC) (7 PIN V-SYNC (TRICK PB) !3 PIN • WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED G-1
Page 55 - SYSTEM SWITCH MODE
LIGHTGUARD LIGHTRECEIVING SYSTEM SWITCH MODE EOT BOT MSSEN A MSSEN B : MECHANICAL MOVEMENT AND CAPSTAN ROTATING : MECHANICAL MOVEMENT (NO CAPSTAN ROTATING) PB SLOW : SETTING SPEED TO SERVO FWD RVS EJECTION UNLOADING STP3 VSR F. SLOW PB/STP STP2 FF/REW LOADING ARM HEAD CLEANING CLUTCH DIRECTCONNECTIO...
Page 56 - SEMICONDUCTOR BASE CONNECTIONS; DIODE
SEMICONDUCTOR BASE CONNECTIONS DIODE 11DF2N-TA2B2 11EQS04N-TA1B2 RGP15D-G23 1SS244T-77 MA367-(TX) SID1050CM SLZ-345B-02-T1 1SS133T-77 11ES1N-TA1B2 GMA-02-BT 1N4005E-G23 MTZJ12B T-77 RD12FB-T7 MTZJ15B T-77 SB340L-6737 MTZJ27B T-77 MTZJ33B T-77 MTZJ4.7B T-77 IC 44PIN 30PIN 8PIN 3PIN 8PIN 5PIN BU2979K ...
Page 60 - OPERATION
POWER BLOCK DIAGRAM OPERATION BLOCK DIAGRAM V651 7-MT-201G HEATER_DC +HEATER_DC - 26 25 2 1 1 OS651 CH.UP_SW STOP/EJECT REC/OTR FF/CUE POWER PLAY CH.DOWN REW/REV CH.UP 14 4 41 31 23 17 FIP DRIVER IC651 BU2979K STILL/PAUSE OTPB OTPB SW Q601 POWER OTP SYSCON/SERVO/TIMER REMOCON KEY-A PHOTO COUPLER T50...
Page 61 - DECK SCHEMATIC DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY,USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION: DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE: THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE N...
Page 62 - OPERATION SCHEMATIC DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 R601 3.3K R604 6.8K R603 3.9K R602 2.7K R605 13K R606 1.5K R607 220 R609 2.7K R608 3.3K SW601 SKQNAED010 STOP/EJECT SW602 SKQNAED010 REC/OTR SW603 SKQNAED010 FF/CUE SW604 SKQNAED010 PLAY SW605 SKQNAED010 REW/REV SW606 SKQNAED010 STILL/P...
Page 63 - PRINTED CIRCUIT BOARDS; OPERATION 1
CP101 Q101 Q102 CP102 PRINTED CIRCUIT BOARDS OPERATION 1 OPERATION 2 DECK SW605 SW604 SW601 SW603 SW602 SW606 CD601 R601 R603 R602 R604 R605 R606 SW608 SW607 SW610 SW609 D601 Q601 C601 R609 R608 CD602 R607 J-3
Page 68 - SYSTEM CONTROL/SERVO/TIMER SCHEMATIC DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 IS NON POLAR ONE. THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP THE RESISTOR MARKED F IS FUSE RESISTOR. NOTE: D1003 RD12FB CP1004(CP101) 52045-0445 1 2 3 4 D1006 1SS133 D1007 1N4005E D1002 1N4005E D1004 1N4005E CP1003 TMC-J08P-B1 1 2 3 4 5...
Page 70 - TUNER/HIFI SCHEMATIC DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 TU6001 TMDB2-103A 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 3 4 5 6 7 8 9 IC5501 TDA9605H HIFI 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 5 6 7 8 9...
Page 71 - POWER SCHEMATIC DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 IS NON POLAR ONE. THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP THE RESISTOR MARKED F IS FUSE RESISTOR. NOTE: F501 T1.6A_L_250V 21801.6 CP506 1-1123724-2 12 IC502 NJM431L VOLTAGE CTL 1 2 3 L503 0R3A433F20 1 2 3 4 FH501 EYF-52BC FH502 EYF-5...
Page 72 - ANODE CONNECTION; VCR; DISPLAY SCHEMATIC DIAGRAM; SLPM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 Vout B+ GND OS651 PNA4612M00YB 1 2 3 CP651_1(CD601)8283_0312_00_000 1 2 3 V651 7-MT-201GA 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 25 26 4 5 6 7 8 9 IC651 BU2979K FIP DRIVER 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27...
Page 73 - NICAM SCHEMATIC DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 D6601 MA367 IC6601 TDA9874H NICAM 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 5 6 7 8 9 L6602 100uH 0607 L6601 100uH 0607 W861 W833 W863 W803 W830 W869 W823 W865 W866 ...
Page 74 - INTERCONNECTION DIAGRAM
A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 2 1 CD501 AC230V50Hz 9 8 7 6 4 5 3 2 1 CP4001 DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY,USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION: OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE THE TIME THIS INTERCONNECTION DIAGRAM IS T...
Page 75 - WAVEFORMS; 5 C A S S . L E S S
WAVEFORMS 6 1 1 1 4 9 1 0 5 The following waveforms were measured at the point of the correspondingballoon number in the schematic diagram. NOTE: 3 1 3 8 R E C , P B1 V 5 V / d i v R E C , P B2 0 0 m V 0 . 5 V / d i v P B1 0 0 m V 5 V / d i v R E C , P B1 V 0 . 5 V / d i v P O W E R O N1 0 0 m V 5 0...
Page 76 - MECHANICAL EXPLODED VIEW
MECHANICAL EXPLODED VIEW 701 701 701 703 624 702 702 702 702 705 PCB280(OPERATION 2 PCB ASS'Y) 601 PCB270(OPERATION 1 PCB ASS'Y) 621 621 613 615 604 617 618 619 605 606 611 622 628 630 616 629 631 632 633 705 705 614 627 620 608 609 612 704 PCB010(SYSCON PCB ASS'Y) TU6001 603 607 610 603 602 704 708...
Page 80 - CHASSIS REPLACEMENT PARTS LIST
CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION Q'TY REF. NO. PART NO. DESCRIPTION Q'TY 301 S5-OA5-000-220 AHC ASS'Y 1 360 S5-OP9-006-860 TAPE GUIDE R 1 302 S5-OP2-002-700 BELT,CAPSTAN 1 361 S5-OP9-006-870 COVER,SENSOR L 1 303 S5-OP9-006-890 LEVER,REC 1 362 S5-OP9-006-880 LEVER,FLAP 1 3...
Page 81 - ELECTRICAL REPLACEMENT PARTS LIST
ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION SYSCON PCB ASS'Y *** CAPACITORS *** *** RESISTORS *** C4079 87-015-075-040 CAP,E 10-16V C4081 87-010-077-080 CAP,E 33UF-10V ! R502 S3-118-A01-0J0 RES,M/O 1-2W C4084 87-015-695-080 CAP,E 1-50V ! R516 87-029-17...
Page 84 - Printed in Singapore
920074 Printed in Singapore 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111