Daewoo K3050MECHA - Manuals

Page 2 - CONTENTS

1 CONTENTS 1. MECHANISM DESCRIPTION .................................................................................................2 2. ASSEMBLY DIAGRAM & MAJOR PARTS CHECK ..............................................................5 3. DISASSEMBLY AND REPLACEMENT .............................

Page 3 - DESCRIPTION OF THE MECHANISM; -1 CHARACTERISTIC OF THE K30-DECK MECHANISM

2 1) K30-MECHA DECK follows the VHS standard.2) K30-MECHA DECK uses three motors (DRUM MOTOR, CAPSTAN MOTOR and L/C MOTOR)3) K30-MECHA DECK uses L/C MOTOR to drive FRONT LOADING.4) K30-MECHA DECK recognizes each mode by using a 4-BIT MODE signal. This 4-BIT MODE signal is generated by the CAM SWITCH...

Page 6 - ASSEMBLY DIAGRAM & MAJOR PARTS CHECK

5 2. ASSEMBLY DIAGRAM & MAJOR PARTS CHECK 2-1. ASSEMBLING DIAGRAM 2-1-1) ASSEMBLING DIAGRAM OF DECK ASS'Y A. TOP VIEW 8 9 7 6 5 4 3 2 1 ) ( * & ^ % $ # @ ! 1. FE HEAD2. S SLANT POLE ASS'Y3. TENSION BAND ASS'Y4. REEL TABLE5. MAIN BASE ASS'Y6. RECORD SAFETY LEVER7. S SUB BRAKE ASS'Y8. S MAIN B...

Page 9 - -2. PERIODIC MAINTENANCE AND SERVICE SCHEDULE

8 2-2-1) PERIODIC MAINTENANCE AND SERVICE SCHEDULE A. In order to effectively maintain the excellent performance and fully utilize the features of this apparatus, and to lengthen the life of the mechanism and tapes, we strongly urge you to perform periodicmaintenance and inspection, as described bel...

Page 10 - NAME

9 2-2-3) SERVICE SCHEDULE FOR THE MAJOR PARTS The following parts should receive periodic service, according to the recommended intervals. : Check and Replace if necessary. : Replace PERIODIC SERVICE (TIME) NAME 1000 2000 3000 4000 5000 DRUM TOTAL ASS'Y ¡ ¡ ¡ ¡ ¡ CAPSTAN MOTOR ¡ L/C BRKT TOTAL ASS'Y...

Page 13 - DISASSEMBLY AND REPLACEMENT

3. DISASSEMBLY AND REPLACEMENT 3-1. FRONT LOADING ASS'Y REMOVAL (See Fig. 3-1) a. Remove 2 screws fixing the Front Loading ASS'Y. b. Lift the rear of the front loading assembly to separate it from the Main Base. NOTE:The FRONT LOADING ASSEMBLY can be removed only in the eject position. 12 AF002 Fig....

Page 17 - REMOVAL

16 3-4. REEL BELT, LOADING RACK ASS'Y, LOADING ASS'Y, S/T SLANT POLE ASS'Y REMOVAL (See Fig.3-8) a. Turn over the DECK MECHANISM and remove the REEL BELT . b. Remove one POLY WASHER . c. Remove the LOADING RACK ASS'Y .d. Remove R & L LOADING ASS'YS and . e. Remove the S and T SLANT POLES and by ...

Page 23 - MECHANICAL ADJUSTMENT

22 4. MECHANICAL ADJUSTMENT 4-1. MECHANICAL ADJUSTMENT (See Fig.4-1~4-5) When operational problems occur or the mechanism is reassembled, be sure to confirm the followingINSTRUCTIONS.a. Make sure that the DATUM HOLE of the CAM GEAR is aligned with the DATUM HOLE in the MAINBASE in the EJECT mode, as...

Page 26 - DATUM HOLE

25 4-2. BACK TENSION MEASUREMENT (See Fig.4-6~4-7) a. Confirm that the position of the TENSION POLE is correctly POSITIONED. Refer to the "4-4 TENSION POLE POSITION ADJUSTMENT ". b. Play back a T-120 TAPE at its center position without assemblying F/L ASSEMBLY and wait until the TAPE running...

Page 28 - ADJUSTMENT OF TAPE TRANSPORTING SYSTEM

27 5. ADJUSTMENT OF TAPE TRANSPORTING SYSTEM Generally the TAPE TRANSPORTING SYSTEM has been precisely adjusted in the factory and does not ordinarily requirereadjustment. But when noise and tape damage take place and part assemblies that compose the TAPE TRANSPORTINGSYSTEM are replaced, check and r...

Page 30 - C. ADJUSTMENT OF THE AUDIO AZIMUTH; HEAD; GAP

29 B. ADJUSTMENT OF THE A/C HEAD ASS'Y (TILT ADJUSTMENT) a. Play back a T-120 Tape and check the running condition of the TAPE at the lower flanges of the T GUIDE POSTASS'Y ¤æ in Fig. 5-1. b. Adjust the A/C HEAD TILT SCREW untill the TAPE runs stable as shown in Fig. 5-2 C. ADJUSTMENT OF THE AUDIO A...

Page 33 - G. LINEARITY ADJUSTMENT

32 G. LINEARITY ADJUSTMENT a. Connect the PATH ADJ. FIXTURE to PT01 of the MAIN CIRCUIT BOARD.b. Play back the ALIGNMENT TAPE (COLOR BAR SIGNAL).c. Connect the channel-1 scope probe to the S/W PULSE TEST PIN of the PATH ADJ. FIXTURE.d. Connect the channel-2 scope probe to the ENVELOPE TEST PIN of th...

Page 38 - EXPLODED VIEW AND PARTS LIST

37 6. EXPLODED VIEW AND PARTS LIST 6-1. EXPLODED VIEW OF DECK ASS'Y (TOP VIEW)