Daewoo VCR MECHANISM UNIT - Manuals

6 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 periodic maintenance and inspection, as described below....

7 SERVICE SCHEDULE FOR THE MAJOR PARTS 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/...

8 JIGS AND TOOLS 1. List of Jigs and Tools FIG. NO ITEMS MODEL N O REMARKS NTSC: SP MONOSCOPE 7KHz CHECKING OF THE 1 ALIGNMENT TAPE SP COLORBAR 1KHz ! TAPE TRANSPORTING (EP MONOSCOPE) SYSTEM PAL/SCAM: SP MONOSCOPE 6KHz SP COLORBAR 1KHz (LP MONOSCOPE) 2 CLEANING TAPE DHC-602V @ CHECKING OF THE TAPE (...

9 JIGS AND TOOLS(CONTINUED) 2. Sketch of Jigs and Tools ALIGNMENT TAPE ! # % & CLEANING TAPE @ 30 20 10 0 10 20 30 30 20 10 0 10 20 30 VHS SPINDLE HEIGHT GAUGE $ ^ *

10 1. Removal of the FRONT LOADING Ass’y (Fig. 3.1) a. Unscrew the 2 screw holding the F/L. b. Separate the F/L Ass’y from the MAINBASE settling down point by lifting the rear part of F/L (Screw Hole). 2. Deassembly of FRONT LOADING Ass’y (FIg. 3.2~3.5) a. Remove the 1 washer for holding the door op...

13 6. Deassembly of the LC BRKT ASS’Y, PINCH LEVER TOTAL ASS’Y (Fig. 3.10) a. Separate the LC BRKT Ass’y @ after removing the 3 screw ! . b. Separate the LC BRKT Ass’y @ from the DECK MECHANISM. c. Disintegrate the PINCH LEVER TOTAL Ass’y # . 7. Deassembly of the CAM GEAR, RELAY LEVER, FL RACK (Fig....

14 8. Deassembly of the S/T BRAKE ASS’Y (Fig. 3.13) a. Unhook the S BRAKE SPRING # from the MAIN- BASE HOOK ! . b. Remove the S BRAKE Ass’y @ from the mainbase. c. Remove the T BRAKE SPRING ^ from the MAIN- BASE HOOK $ . d. Remove the T BRAKE Ass’y % . 9. Deassembly of the TENSION BAND ASS’Y (Fig. 3...

15 12. Deassembly of the REEL TABLE, IDLER PLATE TOTAL ASS’Y (Fig. 3.16) a. Remove the POLY WASHER ! and separate the IDLER PLATE TOTAL Ass’y @ from the mainbase. b. Remove the REEL TABLE $ from the REEL TABLE POST # of the MAINBASE. 13. Deassembly of the REEL BRKT TOTAL ASS’Y, CONNECT PLATE (Fig. 3...

16 1. Mechanical Adjustment (Fig. 4.1~4.4) In case of deassembly and reassembly for fixing the mechan-ical problem, check the following check point. a. Make sure that the DATUM HOLE of the CAM GEAR is aligned with the DATUM HOLE in the MAINBASE inthe EJECT mode as shown in Fig. 4.1. b. Make sure tha...

17 d. Make sure that the triangular mark “A” of the L LOAD- ING Ass’y is aligned with the mark “b” of the R LOAD-ING Ass’y. (Fig. 4.4) e. Reference hole “C” of the LOADING RACK should be aligned with the reference hole of the R LOADING Ass’yto make the teeth of the LOADING RACK is aligned asshown in...

19 ADJUSTMENT OF THE TPAE TRANSPORTING SECTION. Generally, tape transporting section has been precisely adjusted in the factory and does not require the ordinary readjustment.But there is the case that tape noise or impact on the deck mechanise, tape transporting section readjustment is required, in...

20 Generally the TAPE TRANSPORTING SYSTEM has been precisely adjusted in the factory and does not ordinarily require readjustment. Butwhen noise and tape damage take place and part assemblies that compose the TAPE TRANSPORTING SYSTEM are replaced, check and read-just the TAPE TRANSPORTING SYSTEM. Re...

23 H.Adjustment of the wave form of DRUM Entrance / Exit (Fig. 5.8) a. Connect the PT01 on the MAIN CIRCUIT BOARD with a PATH ADJ.FIXTURE. b. Play back an ALIGNMENT TAPE(DN-2 : MONO- SCOPE signal) c. Connect the S/W PULSE TEST PIN on the PATH ADJ. FIXTURE with a CHANNEL-1 SCOPE PROBE. d. Connect the...

24 K.Adjustment of the AUDIO AZIMUTH a. Connect the AUDIO output JACK with an AUDIO LEVEL METER. b. Play back the ALIGNMENT TAPE(DN-2:MONO- SCOPE 7KHz Signal). c. Check if the AUDIO output signal level is over : -9 ~- 3dBm. d. If the requirement of “c” is not satisfied, readjust the AZIMUTH SCREW of...

25 1. Exploded view of DECK Ass’y ( Top View) EXPLODED VIEW AND PARTS LIST fig1-2 fig6-1

27 3. Exploded view of FL Ass’y EXPLODED VIEW AND PARTS LIST (CONTINUED) fig6-3

28 D0040 D0020 D0050 D0010 D0060 D0070 D0040 fig6-4 EXPLODED VIEW AND PARTS LIST (CONTINUED) 4. Exploded view Drum Total Ass’y

30 EXPLODED VIEW AND PARTS LIST (CONTINUED) Parts List of Deck Total Ass’y (continud) LOC PART S/N PART NAME PART DISCRIPTION DRUM AS D0010 DRUM AS REFERRING TO LIST OF DRUM PRICE ASS’Y D0030 97SA324400 DRUM M/T AS E20XL-25 D0030 97SA327100 DRUM M/T AS DMVDMTO4M D0040 7001260711 SCREW MACHINE PAN 2....

31 EXPLODED VIEW AND PARTS LIST (CONTINUED) Parts List of Deck Total Ass’y LOC PART S/N PART NAME PART DISCRIPTION DECK AS A1700 97S2709600 RACK FL PBT(DY4410GF) NATURAL A1800 97S2708200 GEAR CAM DERLIN 100 A1900 97SA317100 PINCH LEVER TOT AS T-MECHA A2000 97SA318010 LC BRKT AS T-MECHA A2100 7274300...

32 6. Parts List of Drum Price Ass’y LOC PART S/N PART NAME PART DISCRIPTION NTSC AD001 97PA268901 DRUM PRICE AS CYN-T210(2HD SP/EP NON) AD001 97PA277471 DRUM PRICE AS CYN-T212(2HD SP/EP DLC) AD001 97PA264841 DRUM PRICE AS CYN-T213(2HD SP/EP BLK) AD001 97PA269001 DRUM PRICE AS CYN-T410(4HD MONO NON)...