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Sony VX-14MW1E, Service Manual

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Sony VX-14MW1E Service Manual Download Page 36

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CONTENTS

1. MECHANISM DESCRIPTION .................................................................................................2

2. ASSEMBLY DIAGRAM & MAJOR PARTS CHECK ..............................................................5

3. DISASSEMBLY AND REPLACEMENT ................................................................................12

4. MECHANICAL ADJUSTMENT..............................................................................................22

5. ADJUSTMENT OF TAPE TRANSPORTING SYSTEM.......................................................27

6. EXPLODED VIEW AND PARTS LIST....................................................................................37

Summary of Contents for VX-14MW1E

Page 1: ...MER WAKE UP TIMER FULL AUTO SEARCH MANUAL FINE TUNING CHILD LOCK PANEL LOCK AUTO REPEAT PICTURE TYPE SELECTION LIVE NORMAL FAVOURITE INDEX SEARCH TV AV VIDEO SINGLE SYSTEM PAL colour and CCIR mono chrome signals 625lines 50fields SECTION RECORDING SYSTEM 2HEAD INPUT 1Vp p 75 ohm unbalanced OUTPUT 1Vp p 75 ohm unbalanced SIGNAL TO NOISE RATIO 43dB with NETTETE IMAGE control at center position HORIZ...

Page 2: ...ATION 3 CIRCUIT BLOCK DIAGRAM 4 ALIGNMENT INSTRUCTIONS 5 SERVICE REMOCON DIAGRAM 8 SCHEMATIC DIAGRAM 11 EXPLODED VIEW 13 PRINTED CIRCUIT BOARD 15 COORDINATES OF MAIN PCB 16 SERVICE PARTS LIST 22 TECHNICAL SERVICE GUIDE PART I PART II ...

Page 3: ...iar with the precautions necesary when working on high voltage equipment 2 Always discharge the picture tube before handling the tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled 2 If any fuse in this TV receiveris blown replace it with the FUSE specified in the Replacement Parts list 3 When replacing a high wattage resistor metal oxide film resisto...

Page 4: ...MANUAL FINE TUNING CHILD LOCK PANEL LOCK AUTO REPEAT PICTURE TYPE SELECTION LIVE NORMAL FAVOURITE INDEX SEARCH TV AV VIDEO SINGLE SYSTEM PAL colour and CCIR mono chrome signals 625lines 50fidlds SECTION RECORDING SYSTEM 2 HEAD INPUT 1Vp p 75 ohm unbalanced OUTPUT 1Vp p 75 ohm unbalanced SIGNAL TO NOISE RATIO 43dB with NETTETE IMAGE control at center position HORIZONTAL RESOLUTION 230lines with NET...

Page 5: ...CIRCUIT BLOCK DIAGRAM 4 ...

Page 6: ...ume on FBT such that the highest black level voltage 140V 5Vdc 4 WHITE BALANCE 1 Apply a COLOR BAR PATTERN SIGNAL 2 Adjust the R G B UP DOWN KEY of the other color which did not appear on the screen to obtain WHITE 5 FOCUS 1 Apply a RETMA PATTERN SIGNAL 2 Adjust the FOCUS VOLUME on FBT to obtain optimal resolution 6 GEOMETRY 6 1 S CORRECTION 1 Apply a CROSSHATCH PATTERN SIGNAL 2 Adjust the S CORR ...

Page 7: ...ch1 H SW PY03 6 oscilloscope ch2 PB ENVE PY03 4 Triggering CH1 Measuring Equipment oscilloscope path jig Mode PLAYBACK ATK OFF Test tape DP 2 6KHz Adjustment Procedure 1 Connect the PATH JIG to PY03 after Test tape PLAYBACK 2 Insert the DP 2 TAPE Auto playback 3 Pressing the ATK OFF KEY 4 Adjust the waveform of PB ENVE to maximum figure1 using X position VR 5 Adjust IN OUTPUT GUIDE until the exact...

Page 8: ...ng Equipment oscilloscope or audio level meter Mode PLAYBACK Test tape DP 2 6KHz Adjustment Procedure 1 Connect the measuring equipment to the AUDIO OUTPUT PY03 terminal 2 After test tape playback adjust the output level maximally by varing the azimuth screw 3 Fix the azimuth screw with locking paint If EEPROM I702 has been changed Option data has to be changed and all alignment function has to be...

Page 9: ... 8 SERVICE REMOCON DIAGRAM 1 DIAGRAM 1 DIAGRAM To enter the SERVICE MODE Press NORMAL AV SLEEP CLEAR POWER buttons in regular sequency within 10seconds using USER REMOCON after setting ST BY ...

Page 10: ... on screen of RETMA pattern 4 V SIZE VERTICAL SIZE Press this button to adjust the upperside of the pattern coincident with the mechanical center marks the CRT on screen of RETMA pattern 5 H CENT HORIZONTAL CENTER Press this button to adjust picture centering with H center on screen of RETMA pattern 6 R G B WHITE BALANCE The screen is become WHITE adjust R G B level by this button 7 ATK OFF Auto t...

Page 11: ...AGC moving up or AGC moving down buttons 19 OSD POS OSD OSD Press OSD POS button to enter the OSD Position adjust mode You can adjust OSD position you want by press OSD or OSD buttons 20 COUNTRY SET Press this button to enter the COUNTRY SET mode Press the this button Option1 PAL I I system Option2 PAL B G system 21 Tuner Option Press this button to set Tuner option Press the this button 1 Daewoo ...

Page 12: ...SCHEMATIC DIAGRAM 11 ...

Page 13: ...SCHEMATIC DIAGRAM 12 ...

Page 14: ...EXPLODED VIEW 13 1 VX 14R7 ...

Page 15: ...EXPLODED VIEW 14 2 VX 21R7 ...

Page 16: ...PRINTED CIRCUIT BOARD 15 1 MAIN PCB ...

Page 17: ...1 J 8 CC582 J 8 CC602 C 1 CC605 B 1 CC606 B 1 CC607 B 1 CC608 B 1 CC612 B 1 CC619 B 1 CC620 A 3 CC621 A 3 CC701 D 11 CC703 C 9 CC705 C 9 CC708 C 9 CC710 C 9 CC712 B 9 CC713 B 9 CC715 I 6 CC716 J 5 CC717 H 11 CC719 A 10 CC720 B 9 CC721 B 10 CC722 B 10 CC724 B 9 CC726 B 9 CC727 B 9 CC728 C 10 CC730 B 11 CC732 C 10 CC734 B 9 Loc x y CC735 A 10 CC736 B 9 CCA01 A 2 CCA02 A 2 CCA03 K 7 CCA04 K 7 CCA05 K...

Page 18: ...1 J 2 D152 I 5 D153 I 5 D502 I 8 D503 H 8 D504 I 8 D505 I 8 D506 I 8 D570 I 2 D571 I 2 D601 B 6 D602 A 6 D701 C 10 D703 H 5 D704 K 6 D705 F 10 D706 F 10 D707 F 10 D708 F 10 D709 B 7 D710 A 6 D711 B 11 DA01 A 2 DA02 A 2 DA03 A 1 DA04 K 8 DA05 K 8 DA06 K 8 DA07 K 8 DA11 K 8 DA12 K 7 DA13 K 7 DA14 K 6 DA15 H 6 DC154 I 5 Loc x y DL01 J 11 DL50 J 3 DN01 B 3 DN02 B 4 DN03 D 6 DN05 E 11 DN06 B 3 DN07 F 1...

Page 19: ... B 8 R716 B 9 R717 H 6 R720 H 6 R729 H 3 R730 B 10 R731 B 10 R733 B 11 R734 B 11 R735 C 10 R737 C 10 R739 C 10 R741 C 10 R743 C 10 R747 A 11 R748 A 11 R749 B 11 R752 K 2 R753 B 8 RA01 A 1 RA09 H 6 RA10 D 3 RA11 D 3 RA12 D 3 RA13 D 3 RA14 B 2 RA16 B 2 RA17 C 2 RA18 E 2 RA34 D 3 RA39 J 7 RA43 J 6 RA46 F 10 RA47 F 10 Loc x y RA49 F 10 RA51 D 2 RC105 K 10 RC150 J 2 RC151 K 9 RC154 I 2 RC156 J 4 RC157 ...

Page 20: ... RCY08 G 7 RCY09 G 7 RCY10 G 7 RCY11 G 7 RCY12 F 7 RCY13 F 7 RCY14 F 7 RCY18 E 7 RCY22 C 5 RCY26 F 4 RCY27 F 4 RCY50 G 4 RCY51 G 5 RCY52 G 4 RCY53 G 4 RCY54 G 3 RCY55 F 4 RCY56 G 4 RCY57 G 4 RCY58 G 4 RCY59 F 5 RL09 G 11 RL10 H 11 RL20 C 3 RL21 C 3 RL22 D 3 RL23 D 3 RN03 E 8 RN04 D 11 RN05 C 4 RN06 D 1 RN09 E 9 RN10 E 9 RN13 E 9 RN14 C 7 RN20 D 9 RN27 E 10 RN28 E 10 RN29 E 11 RN30 E 11 RN30A E 11 ...

Page 21: ...PRINTED CIRCUIT BOARD 20 2 POWER PCB ...

Page 22: ...PRINTED CIRCUIT BOARD 21 3 IF PCB ...

Page 23: ... M722A 7178301011 SCREW TAPPING TT2 WAS 3X10 MFZN M722B 7178301011 SCREW TAPPING TT2 WAS 3X10 MFZN P101 4859231620 CONN WAFER YW025 03 P501 4859281320 CONN WAFER TAC L18X A3 P502 4859281020 CONN WAFER TAC L15X A3 P601 4859231620 CONN WAFER YW025 03 PA801 4850712V11 CONNECTOR YH025 12 YST025 ULW 200 PA802 4850709S01 CONNECTOR YH025 09 YST025 ULW 200 PA803 4850707S01 CONNECTOR YH025 07 YST025 ULW 20...

Page 24: ...SC2412KB TR CHIP 2SC2412KB QC603 T2SA1037KB TR CHIP 2SA1037KB QC604 T2SC2412KB TR CHIP 2SC2412KB QC605 T2SC2412KB TR CHIP 2SC2412KB QC701 T2SC2412KB TR CHIP 2SC2412KB QC702 T2SC2412KB TR CHIP 2SC2412KB QC703 T2SA1037KB TR CHIP 2SA1037KB QC704 T2SC2412KB TR CHIP 2SC2412KB QC707 T2SC2412KB TR CHIP 2SC2412KB QC708 T2SC2412KB TR CHIP 2SC2412KB QC711 T2SC2412KB TR CHIP 2SC2412KB QCA01 T2SA1037KB TR CHI...

Page 25: ...CHIP 1 10 560 OHM J 2012 RCQ03 HRFT561JCA R CHIP 1 10 560 OHM J 2012 RCQ05 HRFT102JCA R CHIP 1 10 1K OHM J 2012 RCU01 HRFT124JCA R CHIP 1 10 120K OHM J 2012 RCU02 HRFT124JCA R CHIP 1 10 120K OHM J 2012 RCU03 HRFT821JCA R CHIP 1 10 820 OHM J 2012 RCU04 HRFT103JCA R CHIP 1 10 10K OHM J 2012 RCU06 HRFT152JCA R CHIP 1 10 1 5K OHM J 2012 RCU07 HRFT470JCA R CHIP 1 10 47 OHM J 2012 RCU08 HRFT103JCA R CHI...

Page 26: ...0 033MF J TP CU18 CEXF1C470A C ELECTRO 16V RSM 47MF 6 3X7 TP CU19 CMXM2A223J C MYLAR 100V 0 022MF J TP CU21 CEXF1C101A C ELECTRO 16V RSM 100MF 6 3X7 TP CU23 CEXF1H229A C ELECTRO 50V RSM 2 2MF 4X7 TP CU24 CEXF1C470A C ELECTRO 16V RSM 47MF 6 3X7 TP CY01 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP CY02 CMXM2A473J C MYLAR 100V 0 047MF J TP CY03 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP CY05 CEXF1C101A C ELE...

Page 27: ...DTZX6V2 DIODE ZENER TZX6V2B TAPPING DA07 DTZX6V2 DIODE ZENER TZX6V2B TAPPING DA11 DTZX6V2 DIODE ZENER TZX6V2B TAPPING DA12 DTZX6V2 DIODE ZENER TZX6V2B TAPPING DA13 D1N4148 DIODE 1N4148 TAPPING DA14 DTZX12C DIODE ZENER TZX12C TAPPING DA15 D1N4148 DIODE 1N4148 TAPPING DN01 D1N4004S DIODE 1N4004S DN02 D1N4004S DIODE 1N4004S DN05 DTZX6V2 DIODE ZENER TZX6V2B TAPPING DN06 D1N4004S DIODE 1N4004S DN07 D1N...

Page 28: ... 0 65 TIN COATING J131 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J132 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J133 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J134 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J135 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J136 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J137 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J138 858010...

Page 29: ...G 10UH 10 5MM K LAL04TB L603 5CPZ100K04 COIL PEAKING 10UH 10 5MM K LAL04TB L605 5CPZ101K04 COIL PEAKING 100UH 10 5MM K LAL04 L701 5CPZ220K02 COIL PEAKING 22UH 3 5MM K LAL02TB L703 5CPZ220K02 COIL PEAKING 22UH 3 5MM K LAL02TB L704 5CPZ220K02 COIL PEAKING 22UH 3 5MM K LAL02TB L705 5CPZ220K02 COIL PEAKING 22UH 3 5MM K LAL02TB LA01 5CPZ100K04 COIL PEAKING 10UH 10 5MM K LAL04TB LA02 5CPZ100K04 COIL PEA...

Page 30: ... 1K OHM J RY17 RD AZ221J R CARBON FILM 1 6 220 OHM J RY19 RD AZ750J R CARBON FILM 1 6 75 OHM J RY20 RD AZ750J R CARBON FILM 1 6 75 OHM J RY21 RD AZ820J R CARBON FILM 1 6 82 OHM J RY23 RD AZ392J R CARBON FILM 1 6 3 9K OHM J RY24 RD AZ102J R CARBON FILM 1 6 1K OHM J RY25 RD AZ272J R CARBON FILM 1 6 2 7K OHM J RY28 RD AZ182J R CARBON FILM 1 6 1 8K OHM J RY29 RD AZ103J R CARBON FILM 1 6 10K OHM J RY30...

Page 31: ...43 4856310300 EYE LET BSR T0 2 R1 6 ZZ200 PTPWJRA878 PCB POWER RADIAL AS DVT 14R7FBF S C312 CBXF1H104Z C CERA SEMI 50V F 0 1MF Z TAPPING C313 CMXM2A104J C MYLAR 100V 0 1MF J TP C314 CMXM2A473J C MYLAR 100V 0 047MF J TP C315 CMXM2A473J C MYLAR 100V 0 047MF J TP C317 CMXM2A103J C MYLAR 100V 0 01MF J TP C320 CMXM2A473J C MYLAR 100V 0 047MF J TP C403 CCXB2H221K C CERA 500V B 220PF K TAPPING C410 CEXF1...

Page 32: ...1 2 1 5 OHM J R320 RD 4Z473J R CARBON FILM 1 4 47K OHM J R321 RD 4Z159J R CARBON FILM 1 4 1 5 OHM J R405 RD AZ152J R CARBON FILM 1 6 1 5K OHM J R412 RD 4Z272J R CARBON FILM 1 4 2 7K OHM J R413 RD 4Z399J R CARBON FILM 1 4 3 9 OHM J R419 RD 4Z273J R CARBON FILM 1 4 27K OHM J R421 RD 2Z224J R CARBON FILM 1 2 220K OHM J R422 RD 4Z102J R CARBON FILM 1 4 1K OHM J R423 RD 4Z303J R CARBON FILM 1 4 30K OHM...

Page 33: ...104J C MYLAR 100V 0 1MF J TP C545 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C556 CEXF1H479V C ELECTRO 50V RSS 4 7MF 5 11 TP C586 CEXF1A471V C ELECTRO 10V RSS 470MF TAPPING C587 CEXF1C221V C ELECTRO 16V RSS 220MF 8X11 5 TP X501 5XEX3R579C CRYSTAL QUARTZ HC 49U 3 579545M TP X502 5XEX4R436C CRYSTAL QUARTZ HC 49U 4 433619M 20PP TA Z501 5PXLT6R0MT FILTER CERA LT 6 0MH TP Z503 5PXXT6R0MB FILTER CERA XT ...

Page 34: ...MW1 DN03 9 948 018 55 LED IR SI5312 H VX14MW1 I301 9 948 018 56 IC TDA8357J VX14MW1 I501 9 948 018 57 IC TDA8841 VX14MW1 I701 9 948 018 58 IC SDA555XFL VX14MW1 I801 9 948 018 59 IC STR F6653 VX14MW1 I901 9 948 018 60 IC TDA6107Q VX14MW1 ICN01 9 948 018 61 IC MS37777M7H GE2 705GP VX14MW1 ICY01 9 948 018 62 IC LA71598SM VX14MW1 M191 9 948 018 63 DECK AS DRP 9200N VX14MW1 Q401 9 948 018 64 TRANSISTOR...

Page 35: ...Technical Service Guide VCR MECHANISM UNIT K30 MECHA DECK SONY Corporation ...

Page 36: ...ENTS 1 MECHANISM DESCRIPTION 2 2 ASSEMBLY DIAGRAM MAJOR PARTS CHECK 5 3 DISASSEMBLY AND REPLACEMENT 12 4 MECHANICAL ADJUSTMENT 22 5 ADJUSTMENT OF TAPE TRANSPORTING SYSTEM 27 6 EXPLODED VIEW AND PARTS LIST 37 ...

Page 37: ...R 5 K30 MECHA DECK is operated by 7 MODES EJECT INITIAL REV IDLE PLAY STOP SLOW BRAKE FF REW 6 K30 MECHA DECK reduces the mode shifting time that is picture playing time by using the FULL LOADING SYSTEM that has the DRUM wrapped by the tape 7 K30 MECHA DECK is seperated from the Main PCB When assembling it is connected by B B TYPE CONNECTOR The CAPSTAN MOTOR and DRUM OUTPUT of K30 MECHA DECK and t...

Page 38: ...3 1 2 1 WIRE DIAGRAM 1 2WIREDIAGRAM ...

Page 39: ...HI FI 1 A L 2 COMMON 3 A R 4 SP L 5 COMMON 6 SP R 7 GND 8 EP R 9 COMMON 10 EP L CN D 1 CTL 2 CTL 3 AUDIO 4 AUDIO 5 ERASE 6 GND CN 2 1 EVER 5V 2 CAPSTAN F R 3 CAPSTAN FG 4 CTL REF 5 CTL 6 I LIMIT 7 CAPSTAN M T 12V 18V 8 GND 9 IC GND 10 NON CONTACT CN B 1 FE HEAD 2 GND CN A 1 GND 2 DRUM SPD CTL 3 Vcc 4 DRUM FG 5 DRUM PG 6 NON CONNECT 7 NON CONNECT Capstan M T Voltage of No 7 is 12V for normal model ...

Page 40: ... ASS Y 3 TENSION BAND ASS Y 4 REEL TABLE 5 MAIN BASE ASS Y 6 RECORD SAFETY LEVER 7 S SUB BRAKE ASS Y 8 S MAIN BRAKE ASS Y 9 IDLER PLATE TOTAL ASS Y 10 T MAIN BRAKE ASS Y 11 T SUB BRAKE ASS Y 12 RELAY LEVER 13 CAPSTAN MOTOR 14 PINCH LEVER TOTAL ASS Y 15 L C BRKT TOTAL ASS Y 16 CAM GEAR 17 A C HEAD TOTAL ASS Y 18 T SLANT POLE ASS Y 19 DRUM TOTAL ASS Y ...

Page 41: ...6 B BOTTOM VIEW 1 CAPSTAN MOTOR 2 F L RACK 3 CONNECT PLATE 4 REEL BELT 5 REEL GEAR TOTAL ASS Y 6 RECORD SAFETY LEVER 7 L LOADING ASS Y 8 R LOADING ASS Y 9 DRUM TOTAL ASS Y 10 LOADING RACK ASS Y ...

Page 42: ...7 2 1 2 PARTS LOCATION OF FRONT LOADING ASS Y A TOP VIEW B FRONT VIEW ...

Page 43: ...ing section with a cloth soaked in alcohol E Routine inspection Perform maintenance and inspection as separately described depending on the period of time in use Refer to the table of 2 2 3 2 2 2 CLEANING AND LUBRICATION A Cleaning of Tape Transporting section and Driving section a Cleaning of Tape Transporting section The following parts should be cleaned after every 500 hours of use TENSION POLE...

Page 44: ... NAME 1000 2000 3000 4000 5000 DRUM TOTAL ASS Y CAPSTAN MOTOR L C BRKT TOTAL ASS Y REEL BELT IDLER PLATE TOTAL ASS Y REEL TABLE T SUB BRAKE ASS Y TENSION BAND ASS Y S MAIN BRAKE ASS Y T MAIN BRAKE ASS Y PINCH ROLLER ASS Y AC HEAD ASS Y FE HEAD REEL GEAR TOTAL ASS Y Note Even though the unit is not used frequently cleaning lubrication and replacement of the belt should be undertaken every 2 years ...

Page 45: ...V CHECKING OF THE TAPE DAEWOO TRANSPORTING SYSTEM 3 CASSETTE TAPE KT 300NV MEASUREMENT OF KOKUSAI KT 300RV REEL TORQUE 4 VHS SPINDLE TSH V4 MEASUREMENT OF HEIGHT GAUGE REEL HEIGHT 5 TENTELO METER T2 H7 UM MEASUREMENT OF TENTELO THE BACK TENSION FAN TYPE MEASUREMENT OF THE 6 TENSION METER BELOW 3KG PRESSING FORCE FOR THE PINCH ROLLER 7 DENTAL MIRROR CHECKING OF THE TAPE TRANSPORTING SYSTEM DRIVER 1...

Page 46: ...11 2 3 2 SKETCH OF JIGS AND TOOLS ALIGNMENT TAPE CLEANING TAPE 3 0 20 10 0 10 2 0 3 0 3 0 20 10 0 10 2 0 3 0 VHS SPINDLE HEIGHT GAUGE 8 1 8 2 8 3 ...

Page 47: ...3 DISASSEMBL YANDREPLACEMENT 3 1 FRONTLOADINGASS YREMOVAL SeeFig 3 1 a Remove 2 screws fixing THE FRONT LOADING ASS Y NOTE The FRONT LOADING ASSEMBLY can be removed only in the eject position 12 ...

Page 48: ...g the F L BRACKET R and move the F L BRACKET R in the direction of arrow to separate it from the TOP PLATE and CASSETTE HOLDER ASSEMBLY b Remove the CASSETTE HOLDER ASSEMBLY Fig 3 2 c Remove one screw holding the PRISM LINK R and remove the PRISM LINK R from the F L BRACKET R Fig 3 3 ...

Page 49: ... DOOR OPENER Fig 3 4 f Remove the LOADING LEVER ASSEMBLY by pressing the connected section of the loading lever assembly in the directions of the arrows Fig 3 5 g Remove the SAFETY SPRING between the SAFETY LEVER and the CASSETTE HOLDER PLATE Fig 3 5 h Remove the RELEASE SPRING between the RELEASE LEVER and the SAFETY LEVER R Fig 3 5 ...

Page 50: ...he F L BRAKCET R Fig 3 6 3 3 DRUMASS Y EARTHBRACKETASS YREMOVAL See Fig 3 7 a Remove three screws fixing the DRUM TOTAL ASSEMBLY b Carefully lift the DRUM TOTAL ASSEMBLY from the DECK MECHANISM taking care not to damage or touch the VIDEO HEAD NOTE After assembling the DRUM TOTAL ASSEMBLY confirm that the TAPE runs smooth and refer to chapter 5 ADJUSTMENT OF THE TAPE TRANSPORTING SYSTEM When assem...

Page 51: ... 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 pulling them in the directions of the arrows CAUTION Take care not to get the GUIDE ROLLERS of the S T SLANT POLES stained with GREASE When reassembling refer to Fig 3 9 ...

Page 52: ...e TAPE TRANSPORTING SYSTEM spread the A C HEAD NUT AZIMUTH SCREW and TILT SCREW with LOCKING PAINT 3 6 L CBRACKETASS YREMOVAL See Fig 3 11 a Remove one screw from the L C BRACKET ASSEMBLY b Remove the L C BRACKET ASSEMBLY from the MAINBASE 3 7 PINCHLEVER TOT ALASS YREMOVAL See Fig 3 11 a Remove one POLY WASHER from the PINCH LEVER POST of the MAINBASE b Unhook the PINCH LEVER SPRING from the hook ...

Page 53: ...SE by pulling it in the direction of the arrow NOTE When reassembling refer to Fig 3 12 13 3 9 S TMAIN SUBBRAKEASS YREMOVAL See Fig 3 14 a Remove the S T MAIN BRAKE Assembly from the MAIN VASE b Unhook the S SUB BRAKE SPRING from the MAINBASE and remove the S SUB BRAKE LEVER ASSEMBLY from the MAIN BASE c Unhook the T SUB BRAKE SPRING from the MAINBASE and remove the T SUB BRAKE LEVER ASSEMBLY ...

Page 54: ...ating the tab of hook A remove the TENSION BAND ASSEMBLY Fig 3 16 NOTE After assembling the TENSION BAND ASSEMBLY on the MAINBASE adjust the position of TENSION POLE as shown Fig 3 17 Avoid getting GREASE OIL or foreign substance on the FELT of the BAND BRAKE Take care not to deform tab A when separating it DATUM HOLE OF MAINBASE DATUM HOLE OF TENSION LEVER ...

Page 55: ...e CAPSTAN MOTOR and separate the CAPSTAN MOTOR a Remove one POLY WASHER from the REEL GEAR POST and remove the IDLER PLATE TOTAL ASSEMBLY from the MAIN BASE b Remove the S T REEL TABLES and two POLY SLIDERS from the DECK MECHANISM CAUTION When disassembling or assembling the IDLER PLATE TOTAL ASSEMBLY take care not to bend it ...

Page 56: ...ECT PLATE from the MAINBASE by pushing it in the direction of the arrow NOTE When removing the CONNECT PLATE with the F L RACK installed take care not to damage or bend the CONNECT PLATE After assembling or disassembling the REEL GEAR TOTAL ASSEMBLY take care not to get OIL GREASE or other substances on the REEL BELT Take care not to deform or break tab B Check the assembly state the operating sta...

Page 57: ... sure that the DATUM HOLE of the CAM GEAR is aligned with the DATUM HOLE in the MAINBASE in the EJECT mode as shown in Fig 4 1 b Make sure that part A of the RELAY LEVER when assembled in the CONNECT PLATE is fully rotated to the left side of B of the MAINBASE and is touching boss C of the MAINBASE as shown in Fig 4 2 CAM GEAR F L RACK DATUM HOLE OF CAM GEAR DATUM HOLE OF MAIN BASE ...

Page 58: ...AINBASE make sure that the two triangular marks of CAM SWITCH are aligned with each other as shown in Fig 4 3 d Make sure that boss A of the PINCH LEVER TOTAL ASSEMBLY is positioned at point B of the CAM GEAR as shown in Fig 4 4 TRIANGLE MARKS MUST MEET EACH OTHER ...

Page 59: ... the notch B on the R LOADING ASSEMBLY as shown in Fig 4 5 f Make sure that the teeth of the LOADING RACK ASSEMBLY are aligned with those of the R LOADING ASSEMBLY so that the hole of the LOADING RACK ASSEMBLY aligns with the circular mark on the R LOADING ASSEMBLY as shown in Fig 4 5 ...

Page 60: ...ng result should be between 25 and 33 grams d If the measuring result is not within this specification refer to the NOTE below or repeat 4 4 TENSION POLE POSITION ADJUSMENT Fig 4 7 DATUM HOLE TAPE NOTE If the measuring result is not within the specification change the TENSION SPRING position To decrease the result choose hook A Otherwise choose hook B Confirm that all of the three probes of the TE...

Page 61: ...off the power when the MECHANISM is in the desired position a MAKE MECHANICAL MODE be PLAY MODE Refer to 4 3 MECHANICAL MODE b Confirm that the datum hole of TENSION LEVER is aligned with the datum hole of the MAIN BASE c If requirement b is not satisfied turn the BAND BRAKE ADJUST CAP clockwise or counter clockwise until the two datum hole are aligned with each other 4 4 TENSIONPOLE POSITIONADJUS...

Page 62: ... TRANSPORTING SYSTEM S T GUIDE ROLLER HEIGHT ADJUSTMENT DRUM TOTAL ASS Y A C HEAD ASS Y PINCH LEVER TOTAL ASS Y S TGUIDEPOSTFLANGE A C HEAD AS ADJUSTMENT TILT ADJUSTMENT CLEANING AUDIOAZIMUTHADJUSTMENT A C HEAD ADJUSTMENT X POSITION ADJUSTMENT PLAYBACKPHASEADJUSTMENT LINEARITY ADJUSTMENT DRUM ENTRANCE EXIT ENVELOPE FINE TUNING REVIEW A PLAY CHANGING OPERATION CHECK AUDIO AZIMUTH ADJUSTMENT AUDIO O...

Page 63: ...M has changed To prevent this it is essential to know thoroughly and observe the following INSTRUCTIONS A ADJUSTMENT OF THE S T GUIDE ROLLER a Play back a T 120 TAPE b Make sure that excessive TAPE wrinkle does not occur at each S T GUIDE ROLLER c If TAPE wrinkle is observed at the S T GUIDE ROLLER adjust them so that no wrinkle occurs ...

Page 64: ...HEAD AZIMUTH SCREW to obtain the maximum audio output signal 9 3dBm D THE HEIGHT ADJUSTMENT OF A C HEAD a Play back a T 120 TAPE b Make sure that the gap is 0 25mm between the lower end of TAPE and that of A C HEAD c When the gap is longer than 0 25mm turn the A C HEAD HEIGHT ADJUST NUT counter clockwise When the gap is shorter than 0 25mm turn it clockwise Repeat this procedure untill 0 25mm is o...

Page 65: ...n the VR CONTROL to the center point If the VR CONTROL is completly turned counter clockwise it is positioned on another tracking center f With the VR CONTROL in the center state turn the ADJUST BOSS by using FLAT TYPE SCREW DRIVER and adjust the X POSITION to obtain the maximum envelope waveform TEST POINTS S W PULSE TEST PIN PATH ADJ FIXTURE ENVELOPE TEST PIN PATH ADJ FIXTURE MEASURING EQUIPMENT...

Page 66: ...T TAPE COLOR BAR SIGNAL OR MONOSCOPE 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 1V div to the VIDEO OUT of the MAIN CIRCUIT BOARD e Play back the ALIGNMENT TAPE f Adjust the PG volume for time interval of 6 5H 0 5H between switching pulse and V sync signal TEST POINTS S W PULSE TEST PIN PATH ADJ FIXTURE VIDEO OUT...

Page 67: ...T PIN of the PATH ADJ FIXTURE e Adjust the VR CONTROL of the PATH ADJ FIXTURE for maximum envelope signal output of the alignment tape f Adjust the S T GUIDE ROLLER until the envelope signal waveforms of the entrance and exit sides are as shown in Fig 5 7 TEST POINTS S W PULSE TEST PIN PATH ADJ FIXTURE ENVELOPE TEST PIN PATH ADJ FIXTURE MEASURING EQUIPMENT OSCILLOSCOPE ADJUSTMENT VR CONTROL PATH A...

Page 68: ... the S T GUIDE ROLLER TEST POINTS S W PULSE TEST PIN PATH ADJ FIXTURE ENVELOPE TEST PIN PATH ADJ FIXTURE MEASURING EQUIPMENT OSCILLOSCOPE ADJUSTMENT VR CONTROL PATH ADJ FIXTURE S T GUIDE ROLLER TAPE TRANSPORTING SYSTEM DRUM ENTRANCE DRUM EXIT QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ QQ...

Page 69: ...he REVIEW MODE about 15 secs change the REVIEW MODE to the PLAY BACK MODE g Change operation mode from REVIEW MODE to PLAY MODE and then make sure that the envelope waveform is restored to the maximum condition within 3 seconds h If the requirement is not satisfied make sure that the TAPE runs normal at the lower part of the T GUIDE POST Then adjust the S T GUIDE ROLLER precisely TEST POINTS S W P...

Page 70: ...d A C HEAD HEIGHT NUT to obtain the maximum audio output Fig 5 3 K A C HEAD AZIMUTH ADJUSTMENT a Connect the OSCILLOSCOPE to the AUDIO OUTPUT JACK b Play back the ALIGNMENT TAPE NTSC DN2 SP 7KHz PAL DP2 SP 6KHz c Adjust the A C HEAD AZIMUTH SCREW to obtain the audio output 9 3dBm Fig 5 3 d Repeat the process H DRUM ENTRANCE EXIT TEST POINTS AUDIO OUTPUT AUDIO OUTPUT JACK MEASURING EQUIPMENT OSCILL...

Page 71: ...r position When the VR CONTROL is completely turned counter clockwise it is set at another tracking center position f When the VR CONTROL is fully rotated clockwise or counter clockwise turn the ADJUST BOSS of the MAINBASE and adjust the X POSITION for the envelope waveform to be as shown in Fig 5 11 g Repeat the process F PLAYBACK PHASE ADJUSTMENT TEST POINTS S W PULSE TEST PIN PATH ADJ FIXTURE E...

Page 72: ...37 6 EXPLODEDVIEWANDPARTSLIST 6 1 EXPLODEDVIEWOFDECKASS Y TOPVIEW ...

Page 73: ...38 6 2 EXPLODEDVIEWOFDECKASS Y BOTTOMVIEW ...

Page 74: ...39 6 3 EXPLODEDVIEWOFF LASS Y ...

Page 75: ...40 ...

Page 76: ...48D DECK TOTAL AS DRN 9601 4 HD HI FI NON DLC HEAD CLNR PAL M1000 97PC0253D DECK TOTAL AS DRP 9620 4 HD HI FI DLC SECAM M1000 97PC0254D DECK TOTAL AS DRS 9620 4 HD HI FI DLC 6 4 2 PARTSLISTOFDRUMPRICEASS fl Y LOC STOCK NO PART NAME DESCRIPTION NTSC AD001 97PA269201 DRUM PRICE AS CYN KT210 2 HD SP EP NON DLC AD001 97PA264841 DRUM PRICE AS CYN KT213 2 HD SP EP DLC BLK AD001 97PA269301 DRUM PRICE AS ...

Page 77: ... DLC AD001 97PA265971 DRUM PRICE AS CYP KT212 2 HD SP LP MONO DLC AD001 97PA266071 DRUM PRICE AS CYP KT412 4 HD MONO DLC AD001 97PA253471 DRUM PRICE AS CYP KT612 4 HD HI FI DLC SECAM AD001 97PA266171 DRUM PRICE AS CYS KT412 4 HD MONO DLC AD001 97PA266371 DRUM PRICE AS CYS KT612 HT 4 HD HI FI DLC ...

Page 78: ... AS REFERRING TO LIST OF DECK TOTAL ASS Y A0100 97SA309700 MAIN BASE AS K30 MECHA A0200 97S0901400 PLATE CONNECY SECC T1 0 A0300 97S2701800 RACK F L PBT KP213G30 NATURAL A0400 97SA310900 S SLANT POLE AS K MECHA A0500 97SA311000 T SLANT POLE AS K MECHA A0600 97SA308500 L LOADING AS K MECHA A0700 97SA308600 R LOADING AS K MECHA A0800 97SA308400 LOADING RACK AS K MECHA A0900 97S3101800 WASHER POLY D3...

Page 79: ...BRAKE AS K MECHA B2520 97S0400700 BAND BRAKE CAP DURACON M90 02 NATURAL A2600 97S3003500 SPG TENSIION SWPB D0 4 A2700 97SA309300 S SUB BRAKE AS K MECHA A2800 97SA309400 T SUB BRAKE AS K MECHA A2900 97SA309120 MAIN BRAKE AS K MECHA NORMAL 97SA309110 MAIN BRAKE AS K30 MECHA CHI REW A3100 97S8012900 HEAD FE HVFHF0004AK 97S8004500 HEAD FE MH 132D A3200 97S3102100 SCREW TAPTITE TT2 BIN P 2 6X10 MFZN A3...

Page 80: ...Sony Corporation Home Network Company Osaki West Tec 2 10 Osaki Shinagawa Kv 141 0032 Tokyo Japan ...

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