background image

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

R.SIGNAL

G.SIGNAL

OUT

OUT

G

IN

IN

CF601

SAF45MFY220ZR

SAW FILTER

1

2

3

4

5

TU601

TECC1040PG32A

1

10

11

12

13

14

15

2

3

4

5

6

7

8

9

IC601

M61203BFP

CHROMA IC

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

45

46

47

48

49

5

50

51

52

53

54

55

56

57

58

59

6

60

61

62

63

64

7

8

9

R632
220 2W

S001X

CF604

EFCT4R5MW5

CF603

EFCT4R5YS5A

CP851A

51048-1000

1

10

2

3

4

5

6

7

8

9

B602

BL02RN1-R62

B.SIGNAL

D619

1SS133

D620

1SS133

D621

1SS133

D613

1SS133

D612

1SS133

D614

1SS133

D605

11ES1-EIC

D601 1SS133

D604

1SS133

D608

SB10-03A3

D607

1SS133

D618

1SS133

D606

1SS133

DANS LA NOMENCLATURE DES PIECES

N’UTILISER QUE CELLS DECRITES

DANGEREUSES AN POINT DE VUE SECURITE

ETANT

LES PIECES REPAREES PAR UN

ATTENTION:

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

SINCE THESE PARTS MARKED BY

CAUTION:

DEFLECTION SIGNAL

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

X602

3.579545MHz

L607

12uH

L601

1uH

L605

1uH

L612

6.8uH

C631

1 F

C623

0.0033 B

C625

1 F

C618

100P CH

C664

1 MMTS

C693
220P B

C650 0.015

B

C672 0.01

B

C692_1

0.1

B

C687_1

0.1

T

F

C604

100P

CH

C605

100P

CH

C607

0.1

B

C639

0.01

B

C613

0.1

B

C636

0.01

B

C609

0.1

B

C661

0.01

B

C621

0.01

B

C617

0.01 B

C667

0.01

B

C658

0.22

B

C669

0.1 B

C622

0.1

B

C616

0.01

B

C634

0.01 B

C684

0.022 B

C630

100P CH

C668 0.001 CH

C688

0.082

B

C626

0.1

B

C637

100P

CH

C690 330P CH

C640

0.1

B

C657

0.01

B

C666

0.1 B

C673

220P

B

C674

120P

CH

C654

18P

CH

C660

0.1

B

C653

0.01

B

C677

220P

CH

C691_1
0.1 B

C647

0.01

B

C627 0.47 B

R607 1K 1/2W

R614

100K

R643

47K

R644

100

R687

680K

R631

6.8K

R651

100

R640

180

R639

1.5K

R638

15K

R601

2.2K

R622

180

R611 10K

R628

100

R605

27K

R603

220

R602

220

R633

8.2K

R646

22K

R642

10K

R621

2.2K

R650

470 1/4W

R608

10K

R615

470

R667

1.5K

R655

100

R657

1K

R624

2K

R629

100

R662

100

R663

100

R636

100

R659

2.2K

R641

18K

R625

10K

R658

2.2K

R647

2.2K

R649

2.2K

R652

4.7K

R678

4.7K

1/4W

R684

75

R683

100

R648

2.2K

R656

1K

R635

100

R634

100

R626

10K

R676

1K

R654

100

R610

1M

R660

2.2K

R677

10K

R609

680

R630

100

R686

1K

1/2W

R688

1.8K

R685

1.8K

C624

47

16V

KA

C652_1

47

25V

KA

C641_2

470

10V

YK

C610

2.2

50V

KA

C665

10

16V

KA

C601

1

50V

KA

C645

1

50V

KA

C643

22

16V

KA

C644

22

16V

KA

C642

22

16V

KA

C646

22

16V

KA

C649

1

50V

KA

C679

470

10V

YK

C612_1

470

10V

YK

C662

10

16V

KA

C678_1

220

35V

YK

C648

0.1

50V

KA

C659

47

16V

KA

C655

47

16V

KA

C632

1

50V

KA

Q604

2SD400E

REG.

Q603

2SC2120Y

REG.

Q606

2SD863

REG.

Q605

2SD400E

REG.

Q602

2SC2120Y

REG.

Q612

2SC2412K

SYNC SW

W801

W829

W848

W827

W865

W872

W850

W885

W871

W894

W874

W876

W878

W886

W887

W888

Q608

2SA1037AK

CUT OFF

L603

100uH

L610

56uH

Q611

DTC114EKA

POWER FAIL SWITCH

Q609

DTC114EKA

POWER ON SWITCH

CAUTION: DIGITAL TRANSISTOR

S802X

S801X

S801Y

S106Y

S106X

S105Y

S105X

S107Y

S802Y

TUNER VIDEO SIGNAL

D617

MTZJ6.8B

D616

MTZJ6.8B

D610

MTZJ6.8B

D611

MTZJ6.8B

D609

MTZJ6.8B

D615

MTZJ6.8B

D602

MTZJ8.2B

DURING PLAYBACK

MEASURED WITH THE DIGITAL TESTER

NOTE:

THE DC VOLTAGE AT EACH PART WAS

PLAYBACK VIDEO SIGNAL

AUDIO SIGNAL(REC)

AUDIO SIGNAL(PB)

AT+5V

AT+5V

AT+5V_BACKUP

VD

OSD_R

OSD_G

OSD_B

OSD_BLK

SDA

TU_VIDEO

SCL

AFT_M

CHROMA_VIDEO

VCR_POWER_H

TU_VIDEO

HD

TU_AUDIO

Y/C_AUDIO

H.SYNC

TV_POWER_H

INT-MONI

INT-MONI

B.OUT

AT+5V

AUDIO_OUT

Y/C_AUDIO

VD

TU_AUDIO

AUDIO_OUT

OSD_BLK

GND

V_OUT

ACL

AFT_M

V_FEEDBACK

180V

HEATER

H_GND

H_OUT

H.PLUSE

F_P.CON+15V

V_OUT

OSD_R

OSD_G

OSD_B

HD

CUT_OFF

G.OUT

AT+30V

B.OUT

GND

R.OUT

UNREG+8V

AT+25V

HEATER

P.CON+8V

H_GND

180V

AT+12V
POWER_FAIL

VCR_POWER_H

H.PLUSE

H.SYNC

H_OUT

B.OUT

R.OUT

G.OUT

SCL

SDA

TV_POWER_H

CHROMA/IF SCHEMATIC DIAGRAM

(SYSCON PCB)

PCB010
VMX180

FROM/TO POWER

FROM POWER

FROM/TO DEFLECTION

FROM/TO SOUND AMP

TO IN/OUT

FROM/TO Y/C/AUDIO/HEAD AMP

4.9

29.3

2.5

1.8

2.5

NC

2.5

NC

NC

NC

0

NC

NC

IF

+30V

SDA

SCL

AGC

+5V

FBP IN

SCL

RF AGC OUT

AFT OUT

VIF GND

VIF VIDEO OUT

QIF IN

VIF APC FILTER

VREG Vcc

VIF VCO F/B

AUDIO BYPASS

EXT AUDIO IN

FM DIRECT OUT

Hi Vcc

R OUT

AFC FILTER

DEF

H OUT

SDA

H VCO F/B

POWER ON CONT

STRAT UP Vcc

B IN

V RAMP FEEDBACK

Y SW OUT

G OUT

INTELLIGENT MONI

MCU RESET

VIF Vcc

5.7V REG OUT(FOR CPU)

47 LIMITER IN
48 IF AGC
49 QIF OUT
50 AUDIO OUT

46 SW REG CONT

64 VIF IN

1 VIF IN

17 V OUT
16 B OUT

H.PLUSE OUT

CUT OFF

GND

NC

NC

HEATER

180V

H_GND

TO CRT

IF AGC FILTER

4.8

8.3

5.5

5.0

8.3

5.6

11.0

8.2

8.8

5.6

5.0

8.3

5.5

4.8

8.0

1.0

0

0.4

2.0

2.0

8.2

8.2

8.2

4.0

4.8

5.5

2.0

0

8.0

8.0

3.7

3.0

4.0

4.8

2.8

4.0

3.3

3.0

2.6

0

0

0.4

3.2

2.5

5.0

5.0

1.5

1.5

2.7

2.3

2.9

2.4

0

0

2.2

3.0

9.0

3.2

2.0

3.0

2.3

2.4

2.3

V RAMP CAP

VIDEO CHROMA Vcc

fsc OUT

G OUT

V PULSE OUT

R IN

CHROMA APC FILTER

TV/Y IN

5v REG

VIDEO/CHROMA GND

FAST BLK

SPOT KILLER

34 EXT C in
33 8.7V REG OUT
32 X’TAL
31 ACL/ABCL

NC

5.6

0

0

3.2

3.2

2.0

8.8

3.3

3.0

0

4.7

0

0.1

7.3

4.9

4.9

4.8

0.8

0

0

8.0

G.OUT

B.OUT

R.OUT

NC

NC

5.0

0

0

0

4.5

FROM/TO MICON

G-8

G-7

Summary of Contents for MVT2136A

Page 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MVT2195B COLOR TELEVISION VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION A...

Page 2: ...ICE MANUAL MVT2195B COLOR TELEVISION VIDEO CASSETTE RECORDER C A MFR S VERSION F20EL82 EP14BD M2003 REVISION 1 MFR S VERSION C Please file this revision with the original version OEC7043B OEC7043A IC1...

Page 3: ...A5A01A SYSCON PCB ASS Y VMX180B A546A5A01B SYSCON PCB ASS Y VMX180C MAIN PCB s are not interchangeable Change of IC1001 DIFFERENCES MFR S VERSION A MFR S VERSION C REF NO PART NO DESCRIPTION PART NO D...

Page 4: ...HEAD AMP DEFLECTION POWER 9 PB 1 0V 5ms div 15 0 5V 5ms div 14 500mV 5 s div 13 5 0V 20ms div 12 PB 1 0V 5ms div 11 PB 0 5V 0 5ms div 7 POWER ON 1 0V 10 s div 8 PB 1 0V 10ms div 5 POWER ON 1 0V 20 s...

Page 5: ...e following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE H 2 WAVEFORMS CRT 20 50 0V 20 s div 19 50 0V 20 s div 18 200mV 20 s div 17 2 0V 20 s...

Page 6: ...AL EXPLODED VIEW I 1 124 209 209 210 209 123 209 209 209 PCB110 CRT PCB 133 203 203 203 203 L503 V801 114 J801 PCB030 OPERATION PCB 201 102 104 105 103 109 107 106 108 202 201 101 A 111 SP351 112 201...

Page 7: ...119 211 128 129 127 208 208 202 132 118 212 208 202 202 122 212 213 206 207 204 115 TU601 130 115 117 FB401 131 117 120 204 207 125 120 121 PCB010 SYSCON PCB 126 116 117 205 MECHANICAL EXPLODED VIEW I...

Page 8: ...11 509 329 330 502 502 PCB550 DECK PCB ASS Y 303 AA AD AD AD AD AA AD AD AA AA AB AB AD AD BA AA 352 503 503 367 501 356 317 369 309 355 Applying positions AA AB AC AD and BA for the grease or oil are...

Page 9: ...A AA AD AD AA AA AA AA AA AC AA 307 354 326 327 322 513 350 308 337 AA 325 AD AA AD NOTE Applying positions AA AB AC AD and BA for the grease or oil are displayed for this section Check if the correct...

Page 10: ...SA0120 PLATE BOTTOM EARTH 127 752WSAA028 SHIELD BOTTOM 128 800WFA0038 CUSHION 10x10xT2 129 800WFA0037 CUSHION 15x5xT6 130 753WSA0130 SHIELD COVER HEAD AMP 131 899HV3T000 HOLDER ANODE WIRE 132 752WSA02...

Page 11: ...S Y S M2001 1510398030 CAPSTAN DD UNIT F2QSB02 M2003 1589V11007 MICRO MOTOR EP14BD 320 85OA400178 PINCH ROLLER LEVER ASS Y PCB550 A4C831B550 DECK PCB ASS Y VE8851 321 85OA600188 BRAKE T ASS Y S Q101 0...

Page 12: ...P 0 1 UF 250V ECQUL D613 D1VT001330 DIODE SILICON 1SS133T 77 C507 E51CGC471M CE 470 UF 200V D614 D1VT001330 DIODE SILICON 1SS133T 77 C510 E5EZT4101M CE 100 UF 35V D615 D97U06R81B DIODE ZENER MTZJ6 8B...

Page 13: ...10 Q507 TC5T018154 TRANSISTOR SILICON 2SC1815Y TPE2 SW794 0504201T31 SWITCH TACT SKHVBED010 Q513 TNYJB05001 COMPOUND TRANSISTOR DTC114EKAT146 SW795 0504201T31 SWITCH TACT SKHVBED010 Q602 TC5T021204 TR...

Page 14: ...X30BD F501 081PA05003 FUSE 233005 MB000 F502 080PA2R501 FUSE 23302 5 MB000 FB401 043219010F TRANSFORMER FLYBACK 3219010F FH501 06710T0006 HOLDER FUSE EYF 52BC FH502 06710T0006 HOLDER FUSE EYF 52BC FH5...

Page 15: ...M546 A5A W045012 SPEC NO O R NO...

Page 16: ...0 IF AGC 63 48 DELAY ADJ 56 VCO RF AGC VIDEO DET AFT VIDEO MUTE DEFEAT AFT OUT CLAMP VIDEO TONE DELAY 55 5 7Vreg 41 RESET 42 33 39 46 13 POWER ON CONTROL RGB MATRIX CONTRAST HPF ACC KILLER DET ACC DET...

Page 17: ...M AGC DELAY PB FM EQ PB PHASE EQ P R C LPF GCA B UP AMP ACC AMP Main CONV 3 58M BPF2 AUTO BIAS P R KIL B D PB AMP 3 58M BPF1 DOUBLE LIM FM DEM SUB LPF V I CONV P R Y LPF YNR COMB N L DEEM NC1 Y C MIX...

Page 18: ...N OPERATION DECK BLOCK DIAGRAM X_RAY SDA SCL OSD_R CTL SD_VIDEO CTL V REC_ST_H VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO HEAD AMP IN OUT TV CAPSTAN DD UNIT MICRO MOTOR TV_POWER H FF REW L 97 73 CTL AM...

Page 19: ...811 C751 C752 C755_1 R766 R754 R761 R793 W802 R772 W001 C779 R775 R776 R777 C781 J701_1 R773 R774 R771 W002 W003 W004 W005 W006 W007 W008 R778 W814 W009 W815 CD352 CD757 CD351_1 W812 C701 W805 PRINTED...

Page 20: ...49 W151 W152 W153 W154 W156 W158 TP1002 W159 W160 W161 W162 W163 CP851A W164 W165 W166 CP851B D606 W814 D1001 VR502 C510 C408 W167 W168 R515 W169 IC502 D506 R503 D502 W171 W175 W176 W177 W178 W181 W18...

Page 21: ...17 C1014 R662 R608 C623 R1077 R4016 R1002 C627 C660 C658 R647 Q1023 R1039 C1072 R1064 C661 R646 R643 R652 R648 R649 R642 R641 C1063 R1011 C1002 R1003 C1005 R1018 R1010 C1066 R1046 R1004 R1001 C1074 R4...

Page 22: ...8 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 81 82 83 84 85 86 87 88 89 9 90 91 92 93 94 95 96 97 98 99 L4004 2623003 15 6KHZ TRAP 1 2 3 4...

Page 23: ...9 9 90 91 92 93 94 95 96 97 98 99 TP1002 JWF 50K 1 H SW CP1006 IMSA 9604S 04Z14 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS PLAYBACK VIDEO SIGNAL DEGA...

Page 24: ...03 173979 4 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS PLAYBACK VIDEO SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB SOUND_GND SOUND SP_OUT AT 5V INT MONI B...

Page 25: ...KA C646 22 16V KA C649 1 50V KA C679 470 10V YK C612_1 470 10V YK C662 10 16V KA C678_1 220 35V YK C648 0 1 50V KA C659 47 16V KA C655 47 16V KA C632 1 50V KA Q604 2SD400E REG Q603 2SC2120Y REG Q606 2...

Page 26: ...JECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C351 2 2 50V KA C354 2200 10V YK C301 0 0047 B C353 0 1 B R357 5 6K R359 47K R353 68K R352 4 7K C355 10 16V KA C356...

Page 27: ...C522 1 50V KA C507 470 200V UP C523 470 35V MHE C521 220 160V PR C511 470 25V YK C518 470P 500V B C515 0 001 B C554 0 0022 B C516 470P 500V B C506 0 1 250V ECQUL C502 0 0022 2KV B C503 0 0022 2KV B C5...

Page 28: ...P C424 0 0068 1 6KV ECWH C417 560P 500V B C416 22P CH R440_2 51K R454 47K 1 4W R416 82K R413 3 3K R414 18K R417 330 1 2W R419 560 1 2W R421 820 1 2W R460 100 1 4W R401 470 R402 47K R453 120K 1 4W R490...

Page 29: ...E PARTS MARKED BY CAUTION OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C805 100P CH C819_1 0 0022 2KV B C811 560P B C810 560P B C801 0 0022 2K...

Page 30: ...757 CH2A019A 1 10 2 3 4 5 6 7 8 9 DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST...

Page 31: ...ED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION Q101 RPT 38PB113 BOT SENSOR OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS T...

Page 32: ...ED KEY_B GND SP_COM CP4001 CP1006 CP4002 PCB030 OPERATION PCB TO OS753 COMMAND TRANSMITTER TM101 FROM TM101 OS753 Vout B GND NC NC NC NC NC CD1002 MOTOR_GND FRONT_VIDEO_IN FRONT_AUDIO_IN SOUND_GND SOU...

Page 33: ...ether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation between the antenna terminal or external metal and the AC cord plug blades And be su...

Page 34: ...OUT MICON OPERATION DECK PRINTED CIRCUIT BOARDS OPERATION DECK SYSCON CRT SCHEMATIC DIAGRAMS Y C AUDIO HEAD AMP MICON IN OUT CHROMA IF SOUND AMP POWER DEFLECTION CRT OPERATION DECK INTERCONNECTION DIA...

Page 35: ...Width 12 65mm 1 2 Inch VHS C type video cassette tape Width 12 65mm 1 2 Inch G 9 Tape Speed NTSC or PAL M PAL or SECAM SP 33 35 mm sec SP 23 39 mm sec LP 16 67 mm sec LP 11 69 mm sec SLP 11 12 mm sec...

Page 36: ...SP Mode 220 Lines G 22 Audio Signal Input Level Line dB Kohm RCA 8 dB 50 Kohm Output Level Line dB Kohm RCA dB Kohm 0dB 0 775 V rms S N Ratio at SP Mode 38 dB Harmonic Distortion 1 5 1KHz Frequency R...

Page 37: ...e Counter G 32 Protector Power Fuse Dew Sensor G 33 Regulation Safety UL CSA SAA SI CE SEV BS NF NEMKO FEMKO DEMKO IEC65 SEMKO NZ HOMOLO SABS CNS SISIR NOM AS3159 DENTORI UNE GOST NONE Radiation FCC D...

Page 38: ...icture Audio Sap On Off Auto Repeat On Off System Set Up Clock Set Calendar 12H 24H Language Auto Clock On Off Standard Time Daylight Saving Time G CODE or SHOWVIEW or PLUSCODE No Entry Clock Date CH...

Page 39: ...Center AC Cord Guarantee Card AV Cord 2Pin 1Pin Warning Sheet Registration Card W Guarantee Card Circuit Diagram PTB Sheet Antenna Change Plug 300 ohm to 75 ohm Antenna Plug Service Facility List Eur...

Page 40: ...p 4 Input Select F FWD 5 Audio Select Rew 6 TV VCR Timer Rec 7 Pause Still REC OTR 8 Slow Auto Tracking 9 Slow Speed Up Tracking Up Set Menu Slow Speed Down Tracking Down Set Set Up Skip Search Counte...

Page 41: ...IT CONTAINS HIGH VOLTAGE BEFORE ATTEMPTING TO REMOVE OR REPAIR ANY PCB UNPLUG THE POWER CORD FROM THE AC SOURCE 1 2 3 Remove the Anode Cap Refer to REMOVAL OF ANODE CAP Disconnect the following conne...

Page 42: ...2 Remove the Deck Shield Plate in the direction of arrow A Disconnect the following connectors CP1004 CP1005 CP1006 CP4001 CP4002 and CP4003 Remove the Deck Chassis in the direction of arrow B Remove...

Page 43: ...assis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 Screw Torque 5 0 5kgf cm B2 1...

Page 44: ...upports 2 and remove the Tension Band Ass y Unlock the support 3 and remove the Tension Holder Remove the SS Brake Spring Remove the SS Arm Brake 1 2 3 4 5 6 7 8 1 2 1 Loading Motor Ass y Link Lever M...

Page 45: ...Spring Remove the screw 1 Unlock the 2 supports 2 and remove the Cassette Opener Remove the Pinch Roller Block Pinch Roller Arm Spring Pinch Roller Lever Ass y and P5 3 Arm Ass y 1 2 3 4 1 2 2 P5 Spri...

Page 46: ...tan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam...

Page 47: ...e the Loading Gear Spring 2 When you install the Clutch Actuator install as shown in the circle of Fig 2 19 C Refer to Fig 2 19 C Fig 2 19 C Clutch Actuator NOTE Do not touch the roller of Guide Rolle...

Page 48: ...p up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 3 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT...

Page 49: ...op Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L...

Page 50: ...or Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor...

Page 51: ...o the center position NOTE Also can be adjusted by pressing the ATR button for more than 2 seconds during PLAY VOL MIN 5 POWER ON total hours and PLAY REC total hours are displayed on the screen Refer...

Page 52: ...ith the tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS POWER ON total hours and PLAY REC total hours can be c...

Page 53: ...zontally Clean the full erase head in the same manner Refer to the figure below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl...

Page 54: ...27 29 00 00 00 00 00 1 2 Fig 1 ADDRESS is now selected and should blink Using the SET or keys on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to sele...

Page 55: ...odel JG001P Hi Fi Audio For 4 heads Hi Fi model JG001S X Value Adjustment For 4 heads model JG002B VSR Torque Brake Torque S Reel T Reel Ass y JG002E Brake Torque T Reel Ass y JG002F VSR Torque Brake...

Page 56: ...ght Adjustment Jig JG024A A Cut Position Fig 1 2 B B Tension Adjust 1 3 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK Load a video tape T 120 recorded in standard speed mode...

Page 57: ...is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment...

Page 58: ...ust the Guide Roller Refer to item 2 1 Confirm and adjust the Audio Control Head Refer to item 2 2 Connect CH 1 of the oscilloscope to TP4001 CH 2 to TP1002 and CH 3 to HOT side of Audio Out Jack Play...

Page 59: ...NTS 3 MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Br...

Page 60: ...Tracking button until the arising to the down of Head Switching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the Tracking Auto button 6 5H 6 5H Fig 2 1 B CH 2 CH 1 CH 1 CH 2 Fig 2 1 A 2 BASIC ADJ...

Page 61: ...on the remote control to select V SIZE Press the VOL UP DOWN button on the remote control until the rectangle on the center of the screen becomes square Receive a broadcast and check if the picture is...

Page 62: ...Receive the color bar pattern RF Input Connect the synchro scope to TP801 Activate the adjustment mode display of Fig 1 1 and press the channel button 15 on the remote control to select COLOR Press th...

Page 63: ...D2 4 ELECTRICAL ADJUSTMENTS 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON TU001 FOCUS VOLUME SCREEN VOLUME FB401 CP351 VR502 FH503 TP1001 CP1003 TP1002 TP4001 J801 TP801 TP803 CRT...

Page 64: ...erforming adjustments in section 4 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity m...

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