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Aiwa VX-T147 Service Manual Download Page 81

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

PLAYBACK COLOR SIGNAL

PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL

RECORD LUMINANCE SIGNAL

B.SIGNAL

G.SIGNAL

R.SIGNAL

TUNER VIDEO SIGNAL

AUDIO SIGNAL(PB)

AUDIO SIGNAL(REC)

IS NON POLAR ONE.

THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP

THE RESISTOR MARKED F IS FUSE RESISTOR.

NOTE:

PF5001

2623003

15.6KHz TRAP

1

2

3

4

6

D6402

MTZJ6.8C

D6007

MTZJ5.1C

CD6101

8101411A

B6102

BLM31A601SPT

B6101

BLM31A601SPT

IC6302

LA6358T

VT DRIVER

1

2

3

4

5

6

7

8

CP852

ILG7P-S3L-PCB-S

1

2

3

4

5

6

7

IC6303

UPC574J

IC7001

SDA5649

PDC/VPD DECODER

1

10

11

12

13

14

2

3

4

5

6

7

8

9

CP851

CPB1808-0101

1

2

3

4

5

6

7

8

CP6115

171826-4

1

2

3

4

IC5001

LA7289

AUDIO REC/PB AMP

1

10

11

12

13

14

15

16

17

18

19

2

20

21

22

23

24

3

4

5

6

7

8

9

TU6001

UE25-B01

1

10

11

12

13

14

15

2

3

4

5

6

7

8

9

T5001

3626010

BIAS OSC COIL

1

2

3

4

5

6

CP6001_2

6035B-12Z002-T

1

10

11

12

2

3

4

5

6

7

8

9

S814X

S814Y

CAUTION: DIGITAL TRANSISTOR

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

C6121

100P CH

C5014

0.01 B

C5011_1

0.1

F

C5022

0.0012

B

C5008_1

0.1

F

C6113

0.022 B

C6141

1 F

C6313

0.033

B

C6314

0.033

B

C6315

0.015

M

C6316

0.015

M

C6319

220P

CH

C5007

470P B

C5004

470P B

C5002

1F

C5009

1F

C5020

0.0012 B

C5028

0.01 B

C5029

0.01 B

C5024

0.022

100V

PP

C7007

0.022 B

C7003

150P CH

C7004

0.33

F

C6001

0.022

B

C5019

0.1

B

C6104

1

F

C7005

0.033 B

C7001

0.022

F

C6002

0.1 F

C5005_1

0.01

B

C5025

0.022

B

C6101

1F

C6123

1F

C5018_1

0.1

F

C5021

0.027

B

C6317

0.022 B

C6122

0.022

B

C5012_1

10

16V

KS

C5027_1

10

16V

KS

C6105

220

16V

YK

C6110

3.3

50V

KA

Q6304

2SC2412K

VOLTAGE

CONVERTER

Q5004

2SC1317

BIAS OSC

Q6105

2SC2412K

BUFFER

Q6104

2SC2412K

BUFFER

Q6101

DTC143EKA

T.AUDIO
MUTE

C6402_2

4.7

16V

K

S

C5013_1

1

50V

KS

C1060

100

10V

KA

C7006

47

10V

KS

C6312

4.7

50V

KS

C5010

3.3

50V

KA

C6119

470

16V

YK

C7002

330

6.3V

KS

C5026

47

16V

KA

C6149_1

470

6.3V

YK

C6116

0.47

50V

KA

C5030

10

16V

KA

C5016

47

16V

KA

C5006

4.7

50V

KA

C5017

22

16V

KA

C5023

4.7

50V

KS

L7002

100uH

0607

L6101

100uH 0607

L5005

1mH

L5001

100uH

0607

L6105

100uH

L6102

0.47uH

W971

W814

W944

W972

W813

W889

W844

W911

W886

W919

W866

W868

W869

W912

W805

W948

W873

W963

W951

W935

W924

W923

W925

W885

R5017

330K

R5016

10K

R7015

1K

R5018_1

68

R5021

1.8K

+-1%

R5022

33K

R6103

5.6K

R6115

390K

R6306

150K

R6309

390K

R6308

150K

R6307

150K

R6305

1K

R6310

33K

R6312

10K

R6311

10K

R5015

8.2K

R5013

4.7K

R5014

10K

R5006

15K

R5008

27K

R7012

1.2M

R7005

6.8K

R7004

1.2M

R7011

6.8K

R7002

1M

R7001

2.2K

R7006

100K

R7013

270

R7014

270

R7007

100

R5002

22K

R6401

100

R5007

680

R7008

1K

R5020

560

R5027

4.7K

R6102

100K

R6109

3.9K

R6110

10K

R6116

100K

R6106

18K

R6105

8.2K

R5003

3.9K

R5010

6.8K

R5026

1K

R5001

33K

R5011

1.8M

R5004

15K

R5005

3.9K

D5001

1SS133

D613

11E1N

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

SINCE THESE PARTS MARKED BY

CAUTION:

AGC
AFT

ATS.LEVEL

SWD_VIDEO_IN
EE/VV_VIDEO_OUT
VCR_VIDEO_OUT
TU.VIDEO[B]
AE/FE_HEAD

AFT_S.CURVE

AUDIO_PB

AUDIO_REC

TU_AUDIO_OUT

AGC_CONTROL

P.CON+5V

NA_PB/LINE/TU

TU_MUTE

V.REC_ST-H

LP-H

TU.VIDEO[B]

LP-H

P.CON+9V

VCR_MUTE

V.REC_ST-H

NA_PB/LINE/TU

ATS.LEVEL
VCR_MUTE
AFT_S.CURVE
AGC_CONTROL
T_TEXT_RESET

GND

PWM_VT

P.CON+9V

TU_MUTE

AT+5.6V

SCL
SDA

P.CON+5V

TU.VIDEO[B]

+30V

AT+13.2V

PWM_VT

GND_A

VCR_AUDIO_OUT

SWD_AUDIO_IN

TEXT_SYNC

AE/FE_HEAD

R.G.B_SW

TU_AUDIO_OUT

AUDIO_REC

AUDIO_PB

SWD_VIDEO_IN

SWD_AUDIO_IN

SCL

SDA

TEXT_SYNC

T_TEXT_RESET

VCR_VIDEO_OUT

EE/VV_VIDEO_OUT

P.CON+5V

VCR_AUDIO_OUT

AT+5.6V

B.B-H

BLUE

GREEN

RED

AV_SW_VIDEO_IN

GND

VCR_AUDIO_OUT

AV_SW_AUDIO_IN

SDA

SCL

J-11

(SYSCON PCB)

TUNER/AUDIO SCHEMATIC DIAGRAM

2.6

9.0

P.CON 9V

GND

TU.VIDEO

AFT S.CURVE

TU.AUDIO

P.CON+5V

AGC CTL

AGC

GND

IF

NC

NC

FROM/TO IF

V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.

VM7125

PCB010

FROM/TO T’TEXT

FROM/TO T’TEXT

FROM/TO CHROMA

TEST POINT

FROM/TO MICON

NC

NC

NC

NC

NC

AGC

TU

UHF

VH

VL

+B

NC

NC

GND

AGC

IF

AFT S.CURVE

B OUT

TEXT BLK.

R OUT

G OUT

GND

NC

32.0

12.6

12.6

1.1

0

0

0

0

+

-

+

-

VCC

GND

0

9.1

0.4

VIDEO IN

GND

12V

TEXT 5V

SYNC OUT

SDA

SCL

T’TEXT RESET

EP/
LP/

SP

/EE

REC

MUTE

FILTER

RIPPLE

LINE

MUTE

ALC

ALC

DET

PB

PB

REC

REC

SP. LP

PB

REC

PB

EQ

REC

ADI

AUTO

BIAS

AC

REC

EP PB

LP.EP

REC

LINE

TUNER

TUNER

LINE/

PB/

3.7

3.8

3.8

0.7

3.8

NC

NC

NC

B.B-H

0

2.8

9.1

9.1

9.1

1.8

5.5

1.5

2.8

2.8

2.7

0

0.4

0

2.8

4.1

0

VSS

SCL

SDA

CSO

VCS

DAYN

EHB

VDD

CYBS

VCO

PD2

POI

TI

IREF

IF

TO POWER/ I/O

0

0

4.9

0

0

9.2

9.2

3.8

0

3.8

3.8

0

3.8

3.8

3.8

3.8

0

0

9.2

NC

NC

FROM/TO POWER/I/O

0

FROM/TO Y/C

0

0

3.2

9.2

3.9

FROM POWER/I/O

FROM/TO SYSCON

TO CHROMA

4.5

Summary of Contents for VX-T147

Page 1: ...c LP 11 69 mm sec NTSC Playback SP only 33 35 mm sec PAL SP 4 hours 20 minutes with E 260 tape LP 8 hours 40 minutes with E 260 tape NTSC Playback SP only 3 hours with T 180 tape 1 0Vp p 75 ohm unbala...

Page 2: ...GUIDE TV ELECTRICAL ADJUSTMENTS TV TROUBLESHOOTING GUIDES IC DESCRIPTIONS SERVO TIMING CHART SYSTEM SWITCH MODE SEMICONDUCTOR BASE CONNECTIONS BLOCK DIAGRAMS TV Y C HEAD AMP SYSTEM CONTROL OPERATION...

Page 3: ...a tube or tape for safety or which are assembled in the condition that these do not contact with the printed board The inside wiring is designed not to get closer to the pyrogenic parts and high volt...

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: ...E POWER CORD FROM THE AC SOURCE 1 2 3 Remove the Anode Cap Refer to REMOVAL OF ANODE CAP on PAGE 12 Disconnect the following connectors CP801 and CP850 Remove the CRT PCB in the direction of arrow Fig...

Page 6: ...nlock the 2 supports 4 Remove the Jack Plate in the direction of arrow B Deck Shield Plate 4 3 4 4 4 Fig 1 5 2 1 1 1 1 VCR Block Bottom Shield Plate 1 6 FRONT LOADING UNIT 15 AND DECK CHASSIS Refer to...

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: ...ins Part No SJ G16 2A0 000 JG162H Cable 15 pins Part No SJ G16 2H0 000 JG162Y Cable 5 pins Part No SJ G16 2Y0 000 Tentelometer Part No JG001C JG001D JG002F JG002G JG005 JG153 JG022 JG024 JG100A Remark...

Page 20: ...IDE 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 Position In c...

Page 21: ...ter Plane JG022 Reel Disk Height Adjustment Jig JG024 Height Adjustment Washer 3 1x5 4xT0 13 3 1x5 4xT0 3 Reel Disk Height Adjustment Jig JG024 Reel Disk Master Plane JG022 7 5mm 0 2 B A Turn on the p...

Page 22: ...ig 1 4 Check 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...

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 TP1001 TP4001 TP4501 CP6115 SYSCON VCR SECTION IC4001 IC601 TP4002 J4501 J4502 IC6001 L6011 VR6001 L6012 CP6001 IF C101 D2 1...

Page 25: ...ress and hold the Tracking Auto button more than 2 seconds to set the tracking to center position Press the VOL DOWN button on the set and the channel button 3 on the remote control simultaneously unt...

Page 26: ...NTS 39 5MHz Fig 3 3 3 4 COLOR LEVEL CONDITIONS MODE STOP INSTRUCTIONS 1 2 Connect the oscilloscope to TP4501 When the Y LEVEL is 100 adjust the VR6001 until the MAGENTA Section LEVEL becomes 45 5 Refe...

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: ...3 V LINEA 60 4 5 6 7 NEXT 8 END The adjustment item 2 is not used for this model Fig 4 6 4 1 CUT OFF 1 2 Activate the adjustment mode display of Fig 4 1 and press the channel button 5 on the remote c...

Page 29: ...ity of the OVER SCAN on right and left becomes minimum 4 9 VERTICAL LINEA 60 AV 1 2 3 4 Receive the monochrome pattern Audio Video Input Using the remote control set the brightness and contrast to nor...

Page 30: ...ment mode display of Fig 4 3 and press the channel button 3 on the remote control Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100 and 0 is set to 4 scales on...

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: ...7V Does RY501 work Check P CON 5V line Check IC502 D511 and D512 Check IC502 Check pins 62 and 63 of IC101 and peripheral circuit Check IC506 Q507 and the peripheral circuit Check Q504 RY501 and the p...

Page 33: ...N ON 2 Is CP810 inserted Is the voltage at C507 about 160V 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 Rep...

Page 34: ...peripheral circuit Check Q353 and peripheral circuit Is the voltage at pin 29 of IC601 changed from DC10 8V to DC9 9V when pressing VOLUME UP or DOWN key Yes Yes Is the voltage at pin 1 corrector of...

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: ...cuit of IC601 Check peripheral circuit of IC101 Check R452 and FB401 Is the normal signal at pin 4 of IC401 input Is the normal signal at pin 38 of IC101 output Is the voltage at pin 6 of IC401 DC25V...

Page 38: ...NDER 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 Does it Power off interm...

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: ...OTOR 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 EMITT...

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 3 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 IC4002 Does FM signal appear at pin 8 of CP40...

Page 53: ...Hi 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: ...om Tuner Pack to IC4001 Check the peripheral circuit of Q4007 Q4009 Replace IC4001 Replace IC4101 RECORDING MECHANISM WORKS BUT NO VIDEO RECORDED FROM INPUT JACK OR TUNER Does VIDEO signal appear at p...

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: ...YS IN I COLOR SYSTEM input from Y C SECAM CHROMA IC 24 DV SYNC O DV SYNC output for Y C IC 25 AFT I AFT S CURVE input 26 KEY A I KEY A input 27 KEY B I KEY B input 28 VL O Band output 29 VH O Band out...

Page 60: ...ut 54 VCR MUTE O VCR mute output 55 SST I Serial data input 56 STS O Serial data output 57 SCLK O Serial clock output 58 STRB O Strob output 59 SIF O SIF selection 60 AUDIO A O Switching output of HI...

Page 61: ...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 62: ...cillator 64 VSS Ground 65 ATR LED O Lights at ATR mode 66 PLAY LED I Lights at PLAY mode 67 REPEAT LED O Lights at REPEAT mode 68 SYSTEM 2 O Open 69 REEL S I Input terminal of reel sensor 70 REEL T O...

Page 63: ...o Signal Input Terminal 29 AUDIO OUT O Output the Audio Signal through the Attenuator 30 APC FILTER Connects the APC filter for the Chromatic Demodulation 31 Y2 IN I Input the Y signal that is separat...

Page 64: ...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 65: ...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 66: ...313SP 14PIN SDA5649 TRANSISTOR 7PIN 3PIN 2PIN 4PIN 10PIN 5PIN 2SA1371 D E AE LA7832 NJM7805FD UPC574J T PQ09RD08 OEC9029A STR F6653 2SA733 C T P Q NJM7812FA 2SB892 S T AE 2SB926 S T AA 2SC1317 Q R S T...

Page 67: ...F 8 J801 3 DEGAUSS COIL AC IN G AMP Q805 B AMP Q806 R AMP Q804 CONSTANT VOLTAGE VR502 SW Q356 BUFFER Q612 100V SW Q501 100V DR Q502 Q503 BUFFER Q611 RELAY DR Q504 P CON 9V 5V SW Q513 B SW Q505 FEED B...

Page 68: ...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 T TEXT CYL CYL PG CYL FG CYL DRIVE 1 3 5 CP4102 CYL...

Page 69: ...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 DFG IN 13 DPG IN 15 CFG OUT KEY B KEY A CH UP PLAY VOL DOWN TV STOP EJECT POW...

Page 70: ...LTER Q6003 AMP 2 Q6105 BUFFER ATS LEVEL VCR AUDIO OUT Q6101 T AUDIO MUTE TU MUTE Q6104 BUFFER AFT S CURVE IC6303 UPC574J Q6304 VOLTAGE CONVERTER PWM VT TV 5 4 6 2 1 3 T5001 Q5004 BIAS OSC AUDIO PB AUD...

Page 71: ...R4104 W801 C6014 R6009 R6010 R6008 C6007 C6009 C6027 C6020 R6013 C6022 C6023 1 R6014 R6015 R6018 C6008 C6017 Q6002 R6016 R6001 R6003 C6006 C6001 JP06 C6010 JP09 JP07 C6030 1 JP14 JP13 C6004 C6003 C602...

Page 72: ...3 CP4104 C4107 W03 W04 W05 W08 W14 W13 L12 IC01 L09 CF01 VR01 L10 L07 JP01 C02 L02 L11 CF03 C21 JP03 JP04 R06 L05 R07 Q03 L04 CP01 R05 CF05 C6019 3 CF04 C6005 1 R20 JP6009 JP6007 JP6001 JP6002 CF6008...

Page 73: ...6010 JP09 JP07 JP14 JP13 C6004 C6003 C6028 R6011 JP11 JP15 C6016 C6015_1 JP17 JP6012 JP6005 JP6003 JP6008 C6032 1 R6012 PRINTED CIRCUIT BOARDS HEAD AMP IF L12 IC01 L09 CF01 VR01 L10 L07 JP01 C02 L02 L...

Page 74: ...JECT 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 CYL_PG A CYL B A CYL_FG A GND_...

Page 75: ...010 4 7K R6011 56 R6005 680 R6001 100K R6016 1K R6006 2 2K R6018 560 L6007 6 8uH L6009 10uH L6004 12uH L6010 33uH L6005 1 2uH VR6001 22K Q6002 2SA1037K BUFFER CP6001 6035B 12Z002 T 1 10 11 12 2 3 4 5...

Page 76: ...001 C7003 C7004 C7007 R7011 R7006 C7005 R7005 R7007 R7012 R7004 R7002 C7001 R5027 C5028 W805 C5029 R1015 R5004 C5008_1 R5010 R5005 R5007 R5001 R5002 W196 W197 R1004 W109 C1019 C5022 R5022 C5020 R5021...

Page 77: ...383 W151 W152 W089 W085 W084 R6102 W093 W092 W220 W098 W101 W160 W414 W113 W121 W055 W065 W170 W333 C4037 W144 W145 W061 W377 W378 W379 W380 W149 W148 W147 W143 W901 W401 W194 W024 W142 W063 W259 W235...

Page 78: ...002 C4001 R4006 R4008 R4056 R4009 R4055 R4007 R4010 C4073 C4072 R4020 R4054 R4002 R4053 R4018 R4001 R4029 R4025 R4030 W322 R4064 C4058 C4043 C4011_1 C4068 C4060 C4054 C4049 R4063 C4067 C4074 R4059 R40...

Page 79: ...1 5K R4015 100 R4011 680 R4016 560 R4054 680 R4002 820 R4012 1K R4007 1K R4055 12K R4029 680 R4034 1 2K R4048 820 R4049 2 2K R4047 82K R4045 120K R4033 1M R4028 1 5K R4064 330 R4065 10K R4046 68 R4025...

Page 80: ...K R1051 47 1 2W R1078 10K R1090 22K R1070 22K R1020 100 R1019 100 R1018 100 D1003 1SS133 D1008 1SS133 D1009 1SS133 D1005 11ES1N TP1001 SERVICE DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES...

Page 81: ...71 W814 W944 W972 W813 W889 W844 W911 W886 W919 W866 W868 W869 W912 W805 W948 W873 W963 W951 W935 W924 W923 W925 W885 R5017 330K R5016 10K R7015 1K R5018_1 68 R5021 1 8K 1 R5022 33K R6103 5 6K R6115 3...

Page 82: ...2 1 5K R4515 390 R4512 220 R4504 75 R4506 1K R1097 220 1 4W R1096 10K R1098 10K R4509 4 7K R4511 4 7K R4513 1K R4505 100 R4510 1K R4519 270 1 2W R4518 68 D4504 LFB 01L TP4501 V OUT DESCRIBED IN PARTS...

Page 83: ...R186 220 1 4W R165 1K R162 1K R121 4 7K R124 10K R136 1K R110 22K R145 10K R163 2 2K R189 10K R184 15K R141 10K R187 18K R134 10K R132 1 5K R159 10K R170 100K 1 4W R155 270 R156 270 R171 1 5K R174 10...

Page 84: ...658 1M R662 4 7K R654 4 7K R652 220 R631 270 R669 1 5K R635 1 8K R650 10K R641 27K R616 470 R619 10K R657 4 7K R667 1 8K D606 1SS133 D608 LFB 01L D609 LFB 01L D610 LFB 01L D611 LFB 01L DESCRIBED IN PA...

Page 85: ...C361_1 2 2 35V KS C356 470 16V YK C355 47 16V KA C358 2200 16V YK Q354 2SC2412K SWITCHING Q353 2SC1815Y SOUND OUTPUT Q351 2SC3419_Y SOUND OUTPUT Q352 2SA1356_Y SOUND OUTPUT Q357 2SB892 SOUND B SW Q35...

Page 86: ...AT THE TIME W936 W996 W984 W995 W929 W938 W822 W821 W997 D703 1SS133 D705 1SS133 D706 11E1N CAUTION DIGITAL TRANSISTOR T REC_LED REC_LED V REC_ST H AT 5 6V GND REMOTE PB_LED KEY A KEY B TV_POWER H J 1...

Page 87: ...3 D791 D792 D794 D795 J353 C751 Q756 Q757 R761 R754 R793 R794 R758 R766 W808 C353 R360 B352_1 R776 R777 C779 R760 R771 R772 R773 R774 Q758 W004 R780 R759 W005 C781 CD757 W003 OS753 W006 C755 W001 W002...

Page 88: ...J 18 PRINTED CIRCUIT BOARDS T TEXT...

Page 89: ...SW791 SW792 SW793 SW794 SW750 SW751 D793 D791 D792 D794 D795 J353 C751 Q756 Q757 R761 R754 R793 R794 R758 R766 W808 C353 R360 B352_1 R776 R777 C779 R760 R771 R772 R773 R774 Q758 W004 R780 R759 W005 C...

Page 90: ...7 DTC114TS POWER SW W808 W841 R759 820 R758 270 R794 270 R761 270 R774 5 6K R773 2 7K R772 1 5K R771 1K R760 820 R766 100 R776 1K R777 1 5K R780 2 7K R793 270 R754 270 R360 82 1 2W D793 SLZ 936C 11 S...

Page 91: ...3 2SC2412K SYNC BUFFER Q859 2SC2412K RED BUFFER Q862 2SC2412K BLK BUFFER Q860 2SC2412K GREEN BUFFER Q861 2SC2412K BLUE BUFFER CP852 ILG7P S3L PCB S 1 2 3 4 5 6 7 B851 LFP3A M3R2TA CP851 CPB1808 0101 1...

Page 92: ...09 C802 Q801 W066 R806 D801 R812 W052 W026 W810 C523 W004 W006 C514 B509 R511 W038 W033 W055 R406 C421 C431 C407 D520 W034 W818 C512 CC4 FB401 W027 W012 W031 R409 W024 SW501 W040 W039 CP801 C P 5 0 1...

Page 93: ...W R446 3 3K 3W B G R 11 6 8 10 9 1 7 5 V801 A34AGT13 78 C418 1 160V C421 1000 35V VZ DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CH...

Page 94: ...R535 4 7K R519 100K 1 2W R515 10K R552 10K R529 2 7K 1 4W R533 390 R518 10K 1 4W R521 10K R523 10K R511 680 1 2W R506 1 8K 1 2W R522 10K R553 39K 1 2W R554 27K 1 2W R532 330 R520 10K R530 390 D525 EG0...

Page 95: ...1 4W R806 470 1 4W R814 390 R811 4 7K R812 4 7K 1 4W R813 4 7K R821 4 7K D802 1SS133 D801 1SS133 Q806 2SC2688 BLUE AMP Q805 2SC2688 GREEN AMP Q804 2SC2688 RED AMP W842 W836 W813 W805 L801 100uH TP801...

Page 96: ...TE8938 PCB030 CP353 OS753 REMOCON SENSOR B V OUT GND TO OS753 TM101 SOUND OUT SOUND GND SP OUT CY757 REMOCON OUT T REC LED AT 5V P C 5V TV PWR H GND REC LED KEY A PLAY BACK LED KEY B CTL VCC FG I LIM...

Page 97: ...0 5V 0 5V div 8 REC 200mV 0 5V div 2 SYSCON PB 200mV 0 5V div 3 REC PB 20mV 0 5V div 9 REC PB 200mV 10V div 10 12 REC PB 0 5V 0 2V div REC PB 20mV 0 5V div 11 Y C REC PB 0 5V 5V div 13 REC PB 20mV 5V...

Page 98: ...iv 27 2V 20U div 22 1V 5U div 26 1V 10V div 32 1V 20U div color 21 1V 1V div 25 1V 20U div 31 2V 20U div 21 1V 500U div 24 1V 20U div 30 1V 20U div color 23 1V 20U div 29 CHROMA 1V 20U div 19 2V 20U d...

Page 99: ...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 100: ...1 217 135 218 218 217 211 156 154 153 153 145 PCB070 MAIN PCB ASS Y 201 110 116 216 109 143 215 225 144 207 226 201 118 FB401 115 110 152 117 114 B SP352 209 SP351 209 211 124 133 122 208 127 209 130...

Page 101: ...49 151 150 119 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 105 105 120 121 102 112 205 PCB150 T TE...

Page 102: ...95 410 SCREW TT B BRAZIER 3 8 2 123 S1 2WP JA3 320 PLATE FRONT 1 208 S1 106 30A 040 UIT 3 10 3 124 S1 2WP JA3 550 FLAP 1 209 S1 106 308 040 TAP P 3 8 14 125 S1 3WP A00 740 GLASS LED 1 126 S1 3WP A00 7...

Page 103: ...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 104: ...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 105: ...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 106: ...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 1 50...

Page 107: ...47 87 010 067 010 CAP E 0 1 50V D609 SD 3RL FB0 1L0 DIODE LFB 01L C1009 87 015 677 080 CAP E 100 6 3V D610 SD 3RL FB0 1L0 DIODE LFB 01L C1011 87 010 112 080 CAP E 100 16V D611 SD 3RL FB0 1L0 DIODE LFB...

Page 108: ...054 S0 02G 004 900 PHOTO COUPLER GP1S94 Q1055 S0 007 003 200 PHOTO TR RPT 38PB113 JACKS Q1056 S0 007 003 200 PHOTO TR RPT 38PB113 Q4001 89 324 122 080 TR 2SC2412KT J4501 S6 320 000 650 JACK PLATE JPJ2...

Page 109: ...B 393 0MH 2K0 CAP CER 220P 250V CD353 S6 CH2 305 8A0 CORD CONN CH23058A C531 87 010 271 080 CAP E 1000 16V CD757 S6 CH2 A01 3A0 CORD CONN CH2A013A C532 87 010 235 910 CAP E 470 16V V C540 87 010 964 0...

Page 110: ...000 130 COIL LINEARITY ELH5L4112 CONNECTOR L403 87 003 283 080 COIL 18UH L501 S2 9X0 000 520 COIL LINE FILTER SS28V 08350 CD6102 S6 810 141 0A0 CORD CONN 8101410A L502 S2 9K0 000 010 COIL LINE FILTER...

Page 111: ...1M CF6008 S0 12T 041 010 FILTER CERA MKT41 5MA110P TRANSISTOR OTHER Q4101 89 324 122 010 TR 2SC2412 CD6001 S6 C70 180 1A0 CORD JUMPER C701801A COIL AND OTHERS L4101 S2 166 310 1K0 COIL 100UH COILS POW...

Page 112: ...920074 Printed in Japan 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111...

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