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Aiwa VX-T1470 PH, Service Manual

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Aiwa VX-T1470 PH Service Manual Download Page 79

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

X1001

8MHz

Q1010

DTA124EKA

TRICK_PB_5V
DRIVER

D1004

1SS133

R1042_1

2.7

1W

SW1010

MPU20460MLB0

TAB SW

1

2

3

D1001
SLR-938C
-4-AB

Q1053
GP1S94

SUPPLY

REEL SENS

1

2

3

4

Q1054
GP1S94

TAKE UP

REEL SENS

1

2

3

4

Q1055

RPT-38PB113

EOT SENSER

Q1056

RPT-38PB113

BOT SENSER

IC1002

OEC9029A

LOADING MOTOR DRIVE

1

10

2

3

4

5

6

7

8

9

CP1001

TAS-X05X-D1

1

2

3

4

5

IC1001

OEC9032B

SYSCON/SERVO

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

65

66

67

68

69

7

70

71

72

73

74

75

76

77

78

79

8

80

9

CP1002(CP4103)

TMC-W20P-A1

1

10

11

12

13

14

15

16

17

18

19

2

20

3

4

5

6

7

8

9

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

SINCE THESE PARTS MARKED BY

CAUTION:

CAUTION: DIGITAL TRANSISTOR

AUDIO SIGNAL(REC)

AUDIO SIGNAL(PB)

CAPSTAN AFC SIGNAL

CYLINDER AFC SIGNAL

CYLINDER APC SIGNAL

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

DURING PLAYBACK

MEASURED WITH THE DIGITAL TESTER

NOTE:

THE DC VOLTAGE AT EACH PART WAS

C1051

0.01

B

C1012

0.001

B

C1047

120P CH

C1014

0.001

B

C1001

0.022

B

C1036

1F

C1022

1F

C1005

0.022

B

C1006

0.1

B

C1053

0.1

B

C1030

0.1 B

C1050

0.1 B

C1004

1

F

C1019

0.1 B

C1032

0.1

B

C1040

0.1 B

C1039

0.1 B

C1002

22P

CH

C1003

22P

CH

C1027

0.001

B

C1017

0.001

B

C1046

100P

CH

C1048

0.0082

B

C1024

100P

CH

C1008

0.1

B

C1011

100

16V

KA

Q1052

2SC2872S

SENSER
LED DRIVER

Q1051

2SC2412K

BUFFER

Q1017

2SA1037AK

V.REF CTL

Q1018

DTC124EKA

SW

Q1002

DTC124EKA

NTSC SW

C1021

1

50V

KSNP

C1026

22

16V

KS

C1009

100

6.3V

KS

C1020

100

10V

KS

C1018

470

16V

YK

C1025

47

16V

KS

W730

(W490)

W857

W896

W920

W969

W921

W994

W970

W832

W891

W894

W964

R1015

1K

R1058

330K

R1044

56K

R1083

1K

R1033

1K

R1059

27K

R1017

100

R1080

20K

R1006

470

1/2W

R1066

22K

R1002

1K

R1075

27K

R1009

47K

R1008

33K

R1004

5.6K

R1003

6.2K

R1093

4.7K

R1092

4.7K

R1094

4.7K

R1095

4.7K

R1047

100K

R1052

10K

R1010

27K

R1012

33K

R1011

390

R1081

5.6K

R1005

39K

R1077

27K

R1007

18K

R1051

47

1/2W

R1090

22K

R1070

22K

R1020

100

R1019

100

R1018

100

R1071

1K

R1022

1K

R1078

10K

R1036

10K

R1035

560

R1034

560

R1043

270

R1029

10K

R1031

100K

R1038

10K

R1028

4.7K

R1023

47K

R1091

10K

R1025

10K

R1057

22K

R1045

4.7K

R1046

22K

R1039

1.5K

R1041

56K

R1040

4.7K 1/4W

R1016

10K

D1003

1SS133

D1008

1SS133

D1009

1SS133

D1005

11ES1N

TP1001

SERVICE

CAUTION: DIGITAL TRANSISTOR

S804Y

MOTOR GND

IS NON POLAR ONE.

THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP

THE RESISTOR MARKED F IS FUSE RESISTOR.

NOTE:

CYL_DRIVE

CYL_FG

CYL_PG

CTL-

CTL+

MOTOR_GND

CAP_FG

V.REC_ST-H
NA_PB/LINE/TU
LP-H

AV-HI

VV-H

AUDIO_REC

VV-H

DV_SYNC[S]

CYL_DRIVE

AUDIO_PB

MS-SW3

MS-SW2

MS-SW1

MS-SW0

REC_LED

T-REC_LED

MS-SW3

NTSC-H

MS-SW2

MS-SW1

MS-SW0

ENV.DET

H.SW

DV_SYNC[S]

H.AMP_SW

TRICK_PB-H

H.AMP_SW

H.SW

SYNC

NTSC-H

V.REC_ST-H

REC_LED

T-REC_LED

REEL-S

GND

V.REC_ST-H

NTSC-H

REEL-T

V.REC_ST-H

ENV.DET

EOT

BOT

TRICK_PB-L

TRICK_PB-H

SYNC

MOTOR_GND

STR-B

AT+12V

S.DATA-T-S

AT+5.6V

S.DATA-S-T

P.CON+5V

S.CLK

TRICK_PB-L

AT+5V

H.SW

GND

AV-HI

REEL-T

ENV.DET

REEL-S

CYL_FG

CYL_PG

CAP_FG

CTL-

CTL+

BOT

EOT

J-11

FROM POWER I/O

FROM/TO Y/C 

TO TUNER/AUDIO

FROM/TO MICON

FROM MODE SW

TO OPERATION 1

FROM POWER I/O

FROM/TO TUNER/AUDIO

FROM/TO HEAD AMP

SYSTEM CONTROL SCHEMATIC DIAGRAM

5.3

0

5.3

PCB010

VM8158

(SYSCON PCB)

11.8

11.5

11.5

0

0

0

0

NC

NC

NC

MS SW0

MS SW1

MS SW2

MS SW3

MS SW COM

2.6

0

5.2

0

0

5.0

0

POWER

SAVE

TSD

COTROL LOGIC

NC

NC

NC

NC

0

0

4.9

NC

NTSC-H

61 T-REC LED

ATR LED

STEREO L

Hi-Fi L

SEARCH SPEED SW

2HEAD/4HEAD

AUDIO DET IN

BILINGAL-L

TRICK PB L

LP-H

SP-H

REC-H

V.REC START-H

47 CAP ON

48 LDM REV

49 LDM FWD

50 CAP LIMIT

51 CAP F/R

52 VV-H

53 EXT IN-L

54 EXT-H

55 MS SW0

56 MS SW1

57 MS SW2

58 MS SW3

59 TAPE IN LED

60 REC LED

PLAY LED

REPEAT LED

REEL-S

REEL-T

SENS LED

64 VSS

63 CLOCK 1

62 CLOCK 0

46 DRM ON

45 PWM 1

44 PWM 0

43 VDD

42 DUMMY-V SYNC

41 COLOR ROTARY

24 TEST

23 RESET B

22 VDPA

21 CTL +

20 CTL -

19 CTL AMP OUT

18 CTL AMP-

17 VREF

16 VSSA

15 CFG OUT

14 CFG IN

13 DPG IN

12 DFG IN

11 DFG OUT

10 VDAD

9 CYLICAP MOTOR SELECT

8 SLOW TRACK OFF SET

7 DEW

6 HI-FI ENV DET

5 VIDEO ENV DET

4 EOT

3 CAS DOWN/SERVICE

2 BOT

1 VSAD

H.AMP SW

VIDEO H.SW

CTL OUT

COUNT P OUT

SYNC IN

COMP

S.CLK

S.DATA S-T

S.DATA T-S

COUNT P IN

CE

0

NC

8

9

10

11

12

13

14

15

5.2

0

0

5.2

0

NC

NC

4.9

CYL PG

CYL +B

CYL FG

CYL GND

LDM-

LDM+

MOTOR GND

AUDIO REC

I LIMIT

VCC

CTL

VCO

FG

V.REF

AUDIO PB

CTL-

CTL+

GND

CYL DRIVE

CAP/M F/R

0

0

1.2

2.3

0

5.3

0

0

0

0

0

0

0

5.3

0

0

2.6

2.6

2.6

0

2.6

2.6

2.6

2.6

5.3

5.3

0

5.2

0

0

0

5.2

5.2

0

0

5.3

5.2

2.7

2.6

0

16

17

0

2.1

2.0

5.2

5.2

0

5.3

5.3

5.3

5.3

0

0

0

0

0

2.7

1.8

5.2

2.5

5.3

0

2.6

5.2

4.9

5.2

0

0

5.2

1.9

5.1

0

0

0

5.2

0

0

0

0

0

0

0

0

0

0

4.9

4.9

5.2

0

0

0

0

0

1.2

Summary of Contents for VX-T1470 PH

Page 1: ...cassette PAL MESECAM SP 23 39 mm sec LP 11 69 mm sec NTSC Playback SP only 33 35 mm sec PAL MESECAM SP 4 hours 20 minutes max with E 260 tape LP 8 hours 40 minutes max with E 260 tape NTSC Playback S...

Page 2: ...M PRINTED CIRCUIT BOARDS SYSCON Y C SCHEMATIC DIAGRAM SYSTEM CONTROL SCHEMATIC DIAGRAM TUNER AUDIO SCHEMATIC DIAGRAM POWER IN OUT SCHEMATIC DIAGRAM MICON SCHEMATIC DIAGRAM CHROMA SCHEMATIC DIAGRAM SOU...

Page 3: ...the original positions or whether 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...

Page 4: ...rve the chroma signal There are two types of the new alignment tape CH 1B for NTSC and CH 2 for PAL On each tape four signals 1 4 are recorded for the times and in the order shown below The TTV MP1 fo...

Page 5: ...RCE 1 2 3 Remove the Anode Cap Refer to REMOVAL OF ANODE CAP on PAGE 12 Disconnect the following connectors CP801 CP804 and CP850 Remove the CRT PCB in the direction of arrow Fig 1 2 Front Cabinet CRT...

Page 6: ...D1002 and CP4002 Remove the Deck Chassis in the direction of arrow B NOTE When installing the Front Loading Unit 15 align the timing marker and pull the Cassette Holder Ass y in the direction of arrow...

Page 7: ...he Locker R Cassette Side L Cassette Side R Link Ass y 3 NOTE When installing the BOT Lever insert the BOSS into the hole of Linl Gear R When installing the Link Ass y 3 and Link Gear R align the timi...

Page 8: ...and Ass y A Fig 2 7 Tension Arm Spring 2 NOTES 1 2 Install the Tension Band Ass y without twisting it Turbine Oil the area marked with A in Fig 2 7 1 1 1 Brake Bracket Sub Brake S Joint Arm Joint Arm...

Page 9: ...ller Remove the screw 2 Unlock the 2 supports 3 Remove the Cassette Opener Remove the Spring P5 and Arm P5 Ass y Remove the Cam Gear Polyslider Washer 4 Spring Cam Pinch and Cam Pinch Roller Remove th...

Page 10: ...lyslider Washer 1 2 Remove the Center Pulley 3 Remove the Polyslider Washer 2 4 Remove the Center Pulley Spring 5 Remove the Idler Arm Ass y 6 Remove the 2 Polyslider Washers 3 7 Remove the Clutch Gea...

Page 11: ...Fig 2 14 Loading Gear T Marker Loading Lever Tension Lever A Main Rod Ass y Tension Holder Main Rod Spring Capstan Brake Spring Capstan Brake Ass y Main Brake Lever Middle Gear Main Cam NOTE Use the s...

Page 12: ...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 13: ...linder Cylinder Motor Cylinder Sensor Data Syscon to Servo Decibel Direct Current Direct Drive Motor Unit Demodulator Detector Deviation Emitter Emitter Follower Emphasis Encoder Envelope End of Tape...

Page 14: ...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 15: ...r Refer to the figure below 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in...

Page 16: ...e by setting VOLUME to minimum While holding down VOLUME button on front cabinet press key 6 on remote control simultaneously ADDRESS and DATA should appear as FIG 1 Fig 1 ADDRESS is now selected and...

Page 17: ...P0 Post P1 Post FE Head Cylinder Unit Auto Head Cleaning Head Amp PCB Audio Control Head 12 13 14 15 16 17 18 19 20 21 Loading Motor Pinch Roller Block Cam Gear Cassette Opener Brake Bracket Reel T L...

Page 18: ...29 30 31 32 33 Capstan Brake Ass y Bottom Plate Clutch Gear S Ass y Idler Arm Ass y Center Pulley Clutch Gear T Ass y FRONT LOADING UNIT 15 1 2 3 4 5 6 7 8 Side Bracket L Top Bracket Ass y Side Bracke...

Page 19: ...2 JG024 JG100A Remarks Stair Steps 6KHz Color Bar 1KHz Playback Take Up Torque Fast Forward Torque Rewind Torque Brake Torque Take up Reel Supply Reel Guide Roller Adjustment X Value Adjustment Reel D...

Page 20: ...LOCATION GUIDE The EOT BOT and Reel Sensor do not work at this moment At that time the STOP EJECT button is available to insert and eject the Cassette Tape PREPARATION FOR SERVICING Basic Servicing P...

Page 21: ...object which weighs between 350g and 500g on the Cassette Tape to keep it steady when you want to make the tape run without the Front Loading Unit 15 Do not place an object which weighs over 500g Whe...

Page 22: ...heck Items Replace Parts 1 4 Idler Ass y or Clutch ASS Y 1 5 Idler Ass y or Clutch ASS Y 1 6 Main Brake T Ass y or Main Brake S Ass y Tape running is adjusted precisely at the factory Normally it is n...

Page 23: ...the screw 3 Refer to Fig 2 2 until the height of the A C head reaches the position against the tape as shown in Fig 2 3 When the control head height is not correct When you must turn the screw more t...

Page 24: ...MAJOR COMPONENTS LOCATION GUIDE IC101 TU6001 TP4001 TP4501 CP6115 SYSCON VCR SECTION IC4001 IC601 TP4002 J4501 J4502 IC6001 L6011 L6012 CP6001 IF C101 TP1001 D2 1...

Page 25: ...king press both VOL DOWN key on the set and the channel button 4 on the remote control simultaneously and adjust the Tracking button until the arising to the down of the Head Switching Pulse becomes 6...

Page 26: ...ELECTRICAL ADJUSTMENTS 38 9MHz Fig 3 3 D2 3...

Page 27: ...MAJOR COMPONENTS LOCATION GUIDE TP801 TP803 J801 CRT TP401 T501 VR502 FB401 SCREEN VOLUME FOCUS VOLUME MAIN TV SECTION D3 1...

Page 28: ...NT MODE2 1 2 RED BIAS 3 GREEN BIAS 4 BLUE BIAS 5 GREEN DRIVE 6 BLUE DRIVE 7 NEXT 8 END Fig 4 2 ADJUSTMENT MODE3 1 BRIGHT 2 CONTRAST 3 COLOR 4 TINT 5 SHARPNESS 6 E RGB CONT 7 NEXT 8 END The adjustment...

Page 29: ...SHIFT quantity of the OVER SCAN on upside and downside becomes minimum 4 10 OSD HORIZONTAL 1 2 3 Using the remote control set the brightness and contrast to normal position Activate the adjustment mod...

Page 30: ...ig 4 3 and press the channel button 4 on the remote control Press the VOL UP DOWN button on the remote control until the waveform becomes as shown in Fig 4 9 Fig 4 9 0 80 100 4 18 CONSTANT VOLTAGE 1 2...

Page 31: ...rom the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magen...

Page 32: ...IC502 DC7 7V Does RY501 work Check P CON 5V line Check ICP502 D511 and D512 Check IC502 Check pins 62 and 63 of IC101 and peripheral circuit Check Q510 Q507 and the peripheral circuit Check Q504 RY50...

Page 33: ...ON 2 Is CP810 inserted Is the voltage at C507 about 180 360V Insert CD810 Check the circuit between F501 C507 and R501 Check IC501 and the peripheral circuit Yes Yes Yes Yes No No No No Replace F501 R...

Page 34: ...Check Sound B line Yes Is the voltage at pin 1 corrector of Q351 DC12V Yes Yes Is the voltage at CP301 changed with the volume up or down key No No No No Yes Is FUSE RESISTOR R517 broken Is the voltag...

Page 35: ...V line Adjust Brightness and Contrast Is the voltage at pin 17 of IC601 DC9V Is the voltage at pin 41 of IC601 DC5V Is the voltage at pin 8 38 of IC601 DC5V Is the signal at pin 12 13 and 14 of IC601...

Page 36: ...put Is the waveform 12 13 and 14 of IC601 normal Is the waveform at pin 42 of IC601 normal Is the waveform at pin 40 of IC601 normal Is the color signal received Is the color set to minimum NO COLOR R...

Page 37: ...pheral circuit Check peripheral circuit of IC601 Is the normal signal at pin 4 of IC 401 input OSD SCREEN DOES NOT APPEAR Is there a waveform at pins 18 19 and 20 of IC601 Check peripheral circuit of...

Page 38: ...WITCH DD MOTOR and CYLINDER MOTOR Does it Power off in about 3 seconds Yes No Check REEL SENSOR and REEL BELT Does it Power off in about 6 seconds Yes No Check REEL SENSOR IC1001 and REEL BELT slack D...

Page 39: ...Replace CYLINDER MOTOR Check R1059 R1080 and R1058 Replace IC1001 No Yes Yes No No Yes Is the voltage at pin 6 of CP1002 about DC13V In playback is the voltage at pin 3 of CP1002 about DC1 2V In play...

Page 40: ...o Yes Is AUDIO HEAD scratched Does pin 15 of IC1001 output a 3 0Vp p square wave 3 0V Check AUDIO BLOCK In playback is the voltage at pin 17 of CP1002 about DC1 6V In playback is the voltage at pin 14...

Page 41: ...MOTOR When a cassette is inserted is the voltage at pin 49 of IC1001 5V When a cassette is inserted is the voltage between pins 1 and 2 of CP1002 When cassette is not inserted is EOT BOT PULSE at EMI...

Page 42: ...FRONT LOADING GEARS Defective CASSETTE or FRONT LOADING UNIT In another cassette tape does the same problem appear In covering the infrared sensor is pin 2 and 4 of IC1001 5V When inserting cassette i...

Page 43: ...of CP1002 and peripheal circuit Check pin 45 of IC1001 lines change IC1001 Check DECK MECHANISM Is the voltage changing at pin 14 of CP1002 Is the voltage changing at pin 12 of CP1002 when you press...

Page 44: ...k R1059 R1080 R1058 and D1003 No Yes Does PG PULSE signal appear at pin 13 of IC1001 No No No Yes Is the voltage at pin 6 of CP1002 UNREG 12V Does DC5V PULSE signal appear at pin 44 of IC1001 Is the v...

Page 45: ...age at pin 3 of CP1002 1 2V In playback is the voltage at pin 3 of CP1002 about 1 2V When sloeing CYLINDER is the voltage 3 8V No Yes Replace CYLINDER MOTOR Replace IC1001 No No Yes Yes 5V Is FG Pulse...

Page 46: ...k IC4101 and CYLINDER UNIT Check CONTROL HEAD No Yes By manual tracking does the DC level at pin 6 of CP4001 change In auto tracking is the voltage at pin 5 of IC1001 more than DC1 85V No No Does the...

Page 47: ...ce CAPSTAN BELT No Check REEL SENSOR and that the voltage at pin 10 of CX1003 is DC5V No Does CAPSTAN DD MOTOR rotate Is CAPSTAN BELT OK Yes Does REEL SENSOR PULSE signal appear at pin 69 of IC1001 Ye...

Page 48: ...No Adjust GUIDE POST height Adjust PG SHIFTER No Does tracking noise appear in the picture Yes Yes Are GUIDE POSTS the right height No Check PB Y circuit Is PG SHIFTER Adjustment 6 5H Yes By adjustin...

Page 49: ...es Is the voltage at pins 12 28 and 54 of IC4001 5V No Yes Check IC4002 and the peripheral cicuit No Replace IC4001 Replace IC4001 No No Yes Is there Y signal at pin 27 of IC4001 and there CHROMA sign...

Page 50: ...7 and the peripheral circuit Replace IC4002 Does FM ENVELOPE appear at TP4002 Does CHROMA signal appear at pin 27 of IC4001 Does COMPOSITE signal appear at pin 16 of IC4002 Does COLOR BURST signal app...

Page 51: ...p p Is there FM signal at pin 11 of IC4001 140mVp p No Yes Replace IC4001 No Replace IC4002 No Yes Is VIDEO waveform at pin 6 of IC4001 over 500mVp p and are there any noise Yes Yes Check J4501 Is VID...

Page 52: ...in 29 of IC4001 No No No No Replace IC4101 Check IC4101 and peripheral circuit Replace J4501 Check VIDEO input circuit Does VCR signal appear at pin 53 of IC4001 Does FM signal appear at pin 8 of CP40...

Page 53: ...igh No No Does AUDIO signal appear at pin 7 of IC5001 Check AUDIO HEAD for debris of stains Check that the connector from AUDIO HEAD is fully inserted to CP4106 Replace IC 5001 If the pin 52 of IC1001...

Page 54: ...15 of CP1002 5V In playback is the voltage at pin 14 of CP1002 2 5V Replace IC1001 Does DD MOTOR rotate now If not replace DD MOTOR Check pins between 45 and 47 of IC1001 and peripheral circuit Replac...

Page 55: ...cuit Is there AUDIO signal at pin 14 of IC5001 Check the lead wire and connector to A C HEAD Check the circuit between audio out of Tuner and pin 10 of IC5001 No No Yes Yes No No No Yes Yes Yes Is the...

Page 56: ...ETTE IN AND DOWN UNIT HAS NO FUNCTIONS No Yes Yes No Check Operation PCB Does VCR operate with the remote control Check IC1001 Check LOADING MOTOR MODE SWITCH and the peripheral parts Does mode indica...

Page 57: ...CYLINDER UNIT and IC4101 circuit No No Check the circuit from VIDEO input jack to IC4001 from Tuner Pack to IC4001 Check the peripheral circuit of Q4007 Q4009 Replace IC4001 Replace IC4101 RECORDING...

Page 58: ...cuit Replace IC6001 and check peripheral circuits Check 9V and 5V line Check Q6002 Is there VIDEO signal at pin 20 of IC6001 Is defect present when replacing the IF PCB Is the voltage at pin 6 of TU60...

Page 59: ...ED VH O Forced VH 31 Not used 32 VSS Ground 33 RED O Color signal red output 34 GREEN O Color signal green output 35 BLUE O Color signal blue output 36 Y O Y signal output 37 HD I H pulse input 38 VD...

Page 60: ...HI FI L I Input selection of audio type 28 AUTO DET IN I Ground 29 BILINGUAL L I Input selection of audio type 30 STEREO L I Input selection of audio type 31 2HEAD 4HEAD I Input terminal for heads sel...

Page 61: ...ights at REC mode 61 T REC LED O Lights at T REC mode 62 CLOCK 0 Terminal to connect the oscillator 63 CLOCK 1 Terminal to connect the oscillator 64 VSS Ground 65 ATR LED O Lights at ATR mode 66 PLAY...

Page 62: ...OEC9032B SERVO TIMING CHART DRUM PG 3 PIN DRUM FG 1 PIN VIDEO H SW 8 PIN V SYNC 2 PIN PB CTL 9 PIN CTL OUT 0 PIN 6 5 H 6 5 H REC PB 30 Hz 720 Hz 30 Hz 30 Hz WAVEFORM CHANGES DEPENDED ON THE TAPE SPEE...

Page 63: ...STOP 2 FF REW SW 3 SW 2 SW 1 SW 0 DECK MODE VOLTAGE V 0 5 5 5 5 5 5 5 5 5 5 0 0 5 5 0 5 5 0 0 5 5 0 5 0 0 5 5 5 5 5 5 5 5 0 0 5 5 5 0 0 0 0 0 5 5 0 5 0 0 0 0 EJECT COMPLETE CASS IN COMPLETE UL START...

Page 64: ...N 4PIN 10PIN 5PIN PST600H LA7832 KIA7805PI UPC574J T PQ09RD08 OEC9029A STR F6654 KIA7812PI TRANSISTOR 5PIN 2SA1371 D E AE DTC114TSTP 2SC4160 OEC YAC11 2SC2688 L M 2SA1037AKT146R S RPT 38PB113 LA7975 2...

Page 65: ...6 H OUTPUT IC401 LA7832 2 4 V OUTPUT DY EF G2 2 HV FB401 7 9 F 8 J801 3 DEGAUSS COIL AC IN G AMP Q805 B AMP Q806 R AMP Q804 CONSTANT VOLTAGE VR502 BUFFER Q612 100V SW Q501 100V DR Q502 Q503 BUFFER Q61...

Page 66: ...AMP Q4016 BUFFER Q4101 BUFFER Q4006 BUFFER Q4005 ENV DET 46 BUFFER Q4010 37 BUFFER Q4017 VCR VIDEO OUT AE FE HEAD CH2 L F CH1 2 S CH1 R F 2 3 4 CP4101 TUNER AUDIO IF CYL CYL PG CYL FG CYL DRIVE 1 3 5...

Page 67: ...SW EOT SENSOR BOT SENSOR 3 SW1010 REEL S 69 SUPPLY REEL SENS Q1053 REEL T 70 TAKE UP REEL SENS Q1054 63 62 CLOCK 0 CLOCK 1 X1001 Q756 POWER LED SW P CON 5V Q757 POWER SW D793 D791 D792 44 PWM 0 12 DF...

Page 68: ...VIDEO AMP 17 IF AGC IF AMP 6 5 12 LIM FM DET 10 VIF SIF IC6001 M52313SP 11 TU6001 5 4 2 CF6004 SAW FILTER Q6003 AMP 2 VCR AUDIO OUT Q6101 T AUDIO MUTE TU MUTE Q6104 BUFFER AFT S CURVE IC6303 UPC574J Q...

Page 69: ...D CIRCUIT BOARDS OPERATION HEAD AMP IF IC4101_2 C4112 C4113 C4114 C4115 C4119 C4120 R4111 C4110 C4127 C4108 C4104 R4109 C4102 C4105 C4106 R4102 C4103 R4103 R4113 Q4101 R4104 W801 JP6016 JP6003 JP6017...

Page 70: ...C6021_1 JP6003 JP6004 R6006 L6005 R6007 Q6003 L6004 CP6001 R6005 C6019 JP6005 CF6004 C6005_1 R6020 L6016 R6024 CF6005 JP6004 JP6002 L6008 CF6002 J 2 CP4105 CP4106 CD4102 CP4101_2 W01 L4101 CP4102_1 W...

Page 71: ...04 W801 JP6016 JP6003 JP6017 C6015 JP6015 R6011 R6029 JP6011 C6028 C6003 R6004 C6011 C6004 JP6014 C6029 C6030 R6025 JP6007 JP6009 C6010 JP6006 C6001 C6006 R6003 R6001 R6016 Q6002 C6017 C6008 R6015 R60...

Page 72: ...BACK LED SW Q757 DTC114TS POWER SW W808 W841 R758 270 R794 270 R761 270 R776 1K R777 1 5K R780 2 7K R793 270 R754 270 R760 820 R759 820 R771 1K R772 1 5K R773 2 7K R774 5 6K R360 100 1 2W R766 100 D7...

Page 73: ...SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS CYL_PG A CYL B A CYL_FG A GND_B CYL_DRIVE_A CYL_DRIVE_A GND_B CYL_FG A...

Page 74: ...006 2 2K R6010 4 7K R6011 56 R6004 1 5K R6018 560 R6015 220 R6025 330 R6029 5 6K R6014 820 L6004 12uH L6016 100uH L6007 6 8uH L6005 0 56uH L6010 33uH L6009 10uH L6008 10uH Q6002 2SA1037K BUFFER CP6001...

Page 75: ...4016 Q4001 Q4010 Q4011 Q4013 Q4017 Q1018 Q1017 C4076 R4036 C4077_1 R6116 Q6101 W270 R136 C110_1 R156 R6502 Q6504 Q6502 Q6503 R6503 R6509 R6508 R6514 C6510 C6511 R6504 R6515 R6517 C6512 W132 W135 R624...

Page 76: ...65 W170 W333 C4037 W061 W377 W378 W379 W380 W149 W148 W147 W143 W901 W401 W194 W900 W024 W063 W259 W235 W238 W331 W223 W118 W108 W295 W392 C1011 W232 W230 W229 W236 C1009 W340 D118 W175 CP802 W296 W31...

Page 77: ......

Page 78: ...36 4 7K R4023 620 R4027 1 2K R4070 390 R4071 390 R4011 680 R4079 180 R4043 2 2K R4021 4 7K R4019 1K R4076 15K R4029 680 R4002 820 R4054 820 R4061 68 R4083 270 R4006 2 2K R4053 1 2K R4018 15K R4001 1 5...

Page 79: ...091 10K R1025 10K R1057 22K R1045 4 7K R1046 22K R1039 1 5K R1041 56K R1040 4 7K 1 4W R1016 10K D1003 1SS133 D1008 1SS133 D1009 1SS133 D1005 11ES1N TP1001 SERVICE CAUTION DIGITAL TRANSISTOR S804Y MOTO...

Page 80: ...607 L6103 100uH 0607 W882 W884 W813 W805 W873 W924 W923 W860 W886 W925 W919 W945 W930 W935 W971 W912 W844 W900 W931 W963 W722 W814 W972 R6115 470K R5014 22K R5006 10K R5008 18K R5002 8 2K R5007 680 R5...

Page 81: ...96 10K R1097 220 1 4W R1098 10K R4518 68 R4514 100K D1007 11EQS04N TP4501 V OUT B1002 BLM31A601SPT S805X P CON 9V B S804X MOTOR GND TUNER VIDEO SIGNAL IS NON POLAR ONE THE ALUMI ELECTROLYTIC CAPACITOR...

Page 82: ...1K R162 1K R121 4 7K R124 10K R136 1K R140 5 6K R110 22K R163 2 2K R184 15K R141 10K R157 10K R134 10K R132 1 5K R159 10K R170 100K 1 4W R155 270 R156 270 R171 1 5K R6508 270 R164 330 R166 1K R169 1K...

Page 83: ...M R666 8 2M R613 1K R628 15K R658 1M R669 1 5K R639 820K R634 270 R636 270 R631 270 R619 10K R630 1K D606 1SS133 D608 LFB 01L D609 LFB 01L D610 LFB 01L D611 LFB 01L B601 LFP3A M3R2TA Q605 DTC114EKA SW...

Page 84: ...0 0012 M C357 0 1 TF C366_1 0 068 TF C358_2 1000 25V YK C352_1 33 16V KA C353_1 33 16V KA C355 47 16V KA C356 470 16V YK Q353 2SC1815Y SOUND OUTPUT Q351 2SC3419_Y SOUND OUTPUT Q354 2SC2412K SWITCHING...

Page 85: ...SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W929 W938 W996 W995 W984 W822 W821 W997 W936 D705 1SS133 D706 11E1N T REC_LED REC_LED V REC_ST H AT 5 6V GND REMOTE PB_LED KEY A KEY B TV_POWER H J 17 PCB0...

Page 86: ...PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C653 150P CH C623_1 0 068 TF L601 10uH W705 W716 R674 1K S815X S815Y TUNER VIDEO SIGNAL V OUT CHROMA...

Page 87: ...R406 C421 C431 C407 D520 W034 W818 C512 CC4 HS402 W027 W012 W031 R409 W024 SW501 W040 W039 CP801 C P 5 0 1 _ 1 R533 W047 W043 W042 C429 C819 R404 W002 D517 C541 C540 B403 W041 C805 C801 W049 W028 R511...

Page 88: ...421 1000 35V VZ C418_1 1 160V VZ OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DA...

Page 89: ...250V KX C519 0 001 500V B C536 220P 500V B C506 0 22 250V MMCA C554 0 01 M R535 4 7K R519 100K 1 2W R529 2 7K 1 4W R524 15K 1 4W R518 10K 1 4W R521 10K R523 10K R511 680 1 2W R514 470 R520 10K R530 39...

Page 90: ...R804 390 R803 2 7K 1 4W R806 470 1 4W R811 4 7K R812 4 7K 1 4W R813 4 7K R821 4 7K R807_1 2 7K 1 4W R808_1 2 7K 1 4W R820_1 2 7K 1 4W R814 390 R816 390 R815 3901 4W D802 1SS133 D801 1SS133 Q805_1 2SC2...

Page 91: ...POWER H H OUT V PULSE V OUT ACL V NF GND AFC X RAY ABCL GND SOUND GND SOUND B BULE BROWN TM8395 PCB070 DEGAUSS COIL DEGAUSS COIL AT 12V AT 12V AT 12V AT 12V AT 30V AT 5 6V MOTOR GND GND P CON 9V POWE...

Page 92: ...iv 9 REC PB 200mV 10V div 10 12 REC PB 0 5V 0 2V div REC PB 20mV 0 5V div 11 Y C WAVEFORMS REC PB 0 5V 5V div 13 REC PB 20mV 5V div 14 REC PB 2V 5V div 14 REC PB 0 5V 5V div 15 REC PB 1V 2U div 16 REC...

Page 93: ...N HEAD AMP 2V 5V div 34 5V 20U div 35 REC 50mV 10U div 42 50V 20U div 36 CRT REC PB 10mV 1s div 43 50V 20U div 37 PB 50mV 50V div 44 The following waveforms were measured at the point of the correspon...

Page 94: ...209 211 124 133 122 208 127 209 130 123 129 209 126 131 209 125 132 128 101 PCB030 OPERATION PCB ASS Y 134 140 220 211 PCB340 POWER SW PCB ASS Y 220 142 211 A MECHANICAL EXPLODED VIEW 139 211 217 135...

Page 95: ...210 212 137 118 136 211 B 214 155 149 151 150 119 PCB330 HEAD AMP PCB ASS Y 106 113 107 114 PCB010 SYSCON PCB ASS Y 213 213 204 204 204 206 219 219 216 224 224 223 222 111 202 PCB350 IF PCB ASS Y 120...

Page 96: ...RAZIER 3 8 4 123 S1 2WP J05 930 PLATE FRONT 1 208 S1 106 30A 040 UIT 3 10 3 124 S1 2WP J05 940 FLAP 1 209 S1 106 308 040 TAP P 3 8 14 125 S1 3WP A00 740 GLASS LED 1 126 S1 3WP A00 750 GUIDE REMOCON 1...

Page 97: ...3 310 512 311 312 321 316 309 304 305 316 313 319 320 503 322 M101 503 323 504 511 324 325 329 515 327 307 326 334 338 337 335 340 336 516 339 516 509 333 332 331 330 UN4001 M2003 H5001 315 510 510 32...

Page 98: ...LODED VIEW BOTTOM VIEW 350 342 M2001 344 346 352 351 348 349 347 345 366 364 365 506 515 359 517 361 362 367 355 356 353 354 357 357 507 504 503 358 343 369 SW101 502 502 504 506 341 363 504 504 518 5...

Page 99: ...FRONT LOADING UNIT 15 EXPLODED VIEW 421 403 420 404 407 405 401 410 408 421 416 417 406 409 419 425 402 415 412 411 411 424 422 413 414 422 423 426 418 M1 3...

Page 100: ...600 5N0 POLY W CUT 1 6 6 0 5 2 333 S5 OP2 002 170 REEL T 1 507 87 264 074 410 SCREW TAP B PAN 2 6 8 3 334 S5 OP4 004 460 CATCHER P5 VP 1 508 S1 5DJ 203 020 SCREW M2 3 2 335 S5 OP6 004 650 SUB BRAKE S...

Page 101: ...075 040 CAP E 10 16V D121 87 020 465 010 DIODE 1SS133T C647 87 010 545 040 CAP E 0 22UF 50 V D131 SD 3RL FB0 1L0 DIODE LFB 01L C662 87 010 371 080 CAP E 470 6 3V D351 87 020 465 010 DIODE 1SS133T C66...

Page 102: ...39UH Q612 89 324 122 080 TR 2SC2412KT L4008 87 003 286 010 COIL 56UH Q1002 87 026 236 080 TR DTC124EK L4011 S3 269 700 1L0 COIL TRAP TP284XHS 15 Q1010 87 026 228 080 TR DTA124EK L4012 87 005 206 080...

Page 103: ...C424 S4 N2A 982 2H0 CAP MPP 0 0082 1 6KV Q757 87 026 464 080 TR DTC114TS C425 S0 1BB P7K 2K0 CAP CER 270PF 2KV Q758 87 026 464 080 TR DTC114TS C429 87 012 386 080 CAP CER 470PF 2KV C430 S0 34B N71 3K0...

Page 104: ...USS PTH451C26 RY501 S5 60V 101 180 RELAY ALKS325 ICS OTHERS IC401 87 070 237 010 IC LA7832 IC501 S2 BT0 665 400 IC STR F6654 CD503 S6 CP0 181 0A0 CORD CONN CP01810A IC502 87 A20 527 010 IC KIA7805PI C...

Page 105: ...0 CORE FERRITE HF57T18 5 10 10 L510 S2 A6A 8A0 A10 CORE FERRITE HF57T18 5 10 10 L503 S2 8Q1 400 180 COIL DEGAUSS 8Q140018 L511 S2 A12 818 720 CORE TRIDAL KR16TT281807 SWITCH L512 S2 A12 818 720 CORE T...

Page 106: ...920074 Printed in Japan 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111...

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