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Aiwa VX-F205, Service Manual

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Aiwa VX-F205 Service Manual Download Page 80

A

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1

3

4

5

6

7

8

IC5501

AN3662FBP

HIFI AUDIO/H.AMP/DEM

1

10

11

12

13

14

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S821Y S821X

TP5502

HIFI_H.SW

TP5501

HIFI ENV

L5505

100uH

L5501

100uH

L5504

100uH

L5506

100uH

W942

W944

W946

W938

W940

W802

W890

W899

W898

W896

C5534

33

16V

KA

C5536

10

16V

KA

C5538

10

16V

KA

C5523

4.7

50V

YK

C5548

10

16V

KA

C5547

10

16V

KA

R5507_1

47K

1/4W

R5514_1

47K

R5506_1

47K

R5513_1

47K

R5504

6.8K

R5519

3.3K

R5520

100

R5521

100

R5510

33K

R5518

2.7K

R5517

1K

R5503

2.2M

R5501

18K 1/4W

R5502

3.9K

R5511

6.8K

R5505

6.8K

R5508

6.8K

R5516

6.8K

C5540 0.015 B

C5541 0.22 B

C5543 0.01 B

C5542 0.1 B

C5549

0.01 B

C5544

0.01 B

C5557

680P

B

C5558

680P

B

C5559

820P

B

C5560

820P

B

C5528_1

1B

C5535_1

1B

C5513

0.1 B

C5519

1F

C5551

0.01 B

C5502

0.1

B

C5524

0.1

B

C5515

0.022

B

C5521

0.22 B

C5514

0.1 B

C5522

24P

CH

C5530

0.1

B

C5508

0.1 B

C5507

0.1 B

C5506

0.1 B

C5545 0.1 B

C5546 0.015 B

C5556

0.0022 B

C5531

47

6.3V

KA

C5510

47

16V

KA

C5552

10

16V

KA

C5512

10

16V

KA

C5550

47

6.3V

KA

C5501

47

6.3V

KA

C5525

10

16V

KA

C5526

4.7

25V

KA

C5527

10

16V

TT

+-10%

C5529

1

50V

KA

C5532

4.7

25V

KA

C5533

1

50V

KA

C5537

1

50V

KA

C5539

33

6.3V

KA

C5518_1

3.3

16V

TT

+-10%

C5516

10

16V

KA

C5509

2.2

50V

KA

L5503

82uH

D5501

1SS133

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

AUDIO SIGNAL(REC)

AUDIO SIGNAL(PB)

FSC

SDA

SCL

P.CON+5V

P.CON+5V

TU.A.OUT_1

VCR_A_MUTE

FRONT_A_IN_R

FRONT_A_IN_L

REAR_A_IN_R

REAR_A_IN_L

H_AUDIO_OUT_R

H_AUDIO_OUT_L

V.REC_ST_H

H_AUDIO_OUT_R

HIFI_ENV

TU.A.OUT_1

HIFI_H.SW

ST_SELECT

H_AUDIO_OUT_L

HF1

FSC

P.CON+9V

Y/C_AUDIO

HF2

HF_COM

NORMAL_A

NORMAL_A

GND[HIFI]

Y/C_AUDIO

P.CON+5V

P.CON+9V

GND

V.REC_ST_H

HIFI_ENV

HIFI_H.SW

SCL

SDA

ST_SELECT

VCR_A_MUTE

FRONT_A_IN_R

FRONT_A_IN_L

REAR_A_IN_R

REAR_A_IN_L

PCB010
VMX177

I-10

HIFI SCHEMATIC DIAGRAM

(SYSCON PCB)

NC

NC

NC

NC

DEM_BLK

INPUT_SW(R)

INPUT_SW(L)

VREF1

LOGIC

MUTE VCO-F0

ADJ

LOGIC

ZZ-PROM

CTL

PNR RCH

SW NOISE

PC

LCH BPF

RCH BPF

PC

PB LPF

PB LPF

AUDIO 
LIMIT

AUDIO 
LIMIT

FM UM

SW NOISE

RCH
VCO

REC LPF

LCH VCO

MIX

REC LPF

DET

HPF

NOISE

DET

SW15

SW11

H

L

SW13

SW14

SW10

SW4

L

R

SW17

SW19

MUTE

R

L

L

L

SW18

NORMAL

MIX

HIFI

BS

BS

LINER

SW

HOLD 

TIMING

S/N

S/N

REC

PB

SW12

SW9

SW21

HA1

HA2

AMP

CURR

FROM 1PIN

FROM 3PIN

R

R

SW16

MIX

HIFI

AGC

+

-

-

INPUT

VCA

STEREO
FILTER

MATRIX

RFC

DET

AMP

PILOT

DET

SL
PLL

L.R

DEMOD

SAP

DEMOD

LPF

(L.R)/SAP

SWITCH

L

MIX

R

SW22

SAP

75uS

DE-EMPH

MUTE

NOISE REDUCTION

DBX

PNR LCH

SW2

AMP

0.1

2.6

NC

NC

2.6

0.1

2.2

2.6

2.0

0.4

0

0.1

0

2.2

2.6

0

0.1

2.6

0.7

2.6

2.6

2.7

0

0.7

0

0

5.3

0

3.5

3.9

2.0

2.0

2.6

2.6

2.6

0.7

2.6

0

1.8

0

0

5.2

0

0.3

1.8

2.4

0

3.9

2.1

2.2

3.9

3.8

5.4

2.9

4.6

2.0

4.5

9.0

4.6

0.2

2.6

1.1

0.7

0.4

1.8

0

FROM CHROMA/IF

Y/C/A/H.AMP

FROM/TO

FROM POWER

FROM/TO MICON

FROM/TO  I/O

Summary of Contents for VX-F205

Page 1: ... 180 tape LP 6 hours with T 180 tape SLP 9 hours with T 180 tape 1 0Vp p 75 ohm unbalanced 1 0Vp p 75 ohm unbalanced 53dB nominal 8dBs 50K ohm 8dBs less than 1K ohm 3 tracks Hi Fi sound 2 tracks Normal sound 1 track Approx 2 minutes 15 seconds with T 120 tape Approx 1 minutes 48 seconds with T 120 tape More than 90dB 20Hz 20kHz Less than 0 01 VIDEO SIGNAL SYSTEM VIDEO HEAD USABLE CASSETTES TAPE SP...

Page 2: ... MICON POWER OPERATION HIFI PRINTED CIRCUIT BOARDS OPERATION DECK OPERATION SCHEMATIC DIAGRAM DECK SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS SYSCON Y C AUDIO HEAD AMP SCHEMATIC DIAGRAM MICON SCHEMATIC DIAGRAM CHROMA IF SCHEMATIC DIAGRAM HIFI SCHEMATIC DIAGRAM IN OUT SCHEMATIC DIAGRAM POWER SCHEMATIC DIAGRAM SOUND AMP SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT DEFLECTION SCHEMATIC DIAGRAM TV ...

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 voltage parts Therefore put these parts in the original positions 5 TAKE CARE TO DEAL WITH THE CATHODE RAY TUBE In the condition that an explosion proof cathode ray tube is set in this equipment safety is...

Page 4: ...4 1 2 3 4 5 6 Remove the screw 1 Remove the Main PCB Holder Remove the 2 screws 2 Remove the 3 screws 3 Disconnect the following connectors CP810 CP820 CP811 CP804 and CP806 Remove the Main PCB in the direction of arrow Fig 1 4 Fig 1 1 1 2 CRT PCB Refer to Fig 1 2 CAUTION BEFORE REMOVING THE ANODE CAP DISCHARGE ELECTRICITY BECAUSE IT CONTAINS HIGH VOLTAGE BEFORE ATTEMPTING TO REMOVE OR REPAIR ANY ...

Page 5: ...in the direction of arrow A Remove the 2 screws 2 Remove the nut 3 Remove the washer 4 Unlock the 2 supports 5 Remove the Jack Plate in the direction of arrow B Jack Plate 1 Deck Holder Syscon PCB A 5 5 B 3 4 Fig 1 7 Deck Shield Plate Fig 1 5 1 6 DECK CHASSIS Refer to Fig 1 6 1 2 3 Remove the 3 screws 1 Disconnect the following connectors CP1002 CP1005 CP1006 CP4001 CP4004 and CP4005 Remove the De...

Page 6: ... 3 B 2 4 CASSETTE HOLDER ASS Y Refer to Fig 2 4 Move the Cassette Holder Ass y to the front side Push the Locker R to remove the Cassette Side R Remove the Cassette Side L 1 2 3 Main Chassis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Remove the Locker Spring Unlock the 4 supports 1 and then remove the Cassette Side L R 1 2 NOTE When you ins...

Page 7: ... Tension Adjust Unlock the 2 supports 3 and remove the Tension Band Ass y Unlock the support 4 and remove the Tension Holder 1 2 3 4 5 6 7 Tension Holder 4 2 Tension Adjust Tension Band Ass y Tension Arm Ass y 1 Tension Spring Inclined S Ass y Fig 2 9 A NOTE When you install the Tension Adjust install as shown in Fig 2 9 B Refer to Fig 2 9 B Adjust the direction of the Marker to inside Fig 2 9 B 2...

Page 8: ... C HEAD Refer to Fig 2 13 A Remove the screw 1 Remove the A C Head Base Remove the 3 screws 2 Remove the A C Head and A C Head Spring 1 2 3 4 NOTE Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 13 B Refer to Fig 2 13 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 1 2 3 A C Head 2 2 ...

Page 9: ...UNIT ASS Y Refer to Fig 2 15 Unlock the support 1 and remove the AHC Ass y Remove the 3 screws 2 Remove the Cylinder Unit Ass y 1 2 3 When you install the Cylinder Unit Ass y tighten the screws from 1 to 3 in order while pulling the Ass y toward the left front direction NOTE 2 3 2 1 2 2 Cylinder Unit Ass y 1 AHC Ass y Screw Torque 5 0 5kgf cm Fig 2 15 2 16 CAPSTAN DD UNIT Refer to Fig 2 16 Remove ...

Page 10: ...ever Loading Arm T Ass y Loading Gear S LED Reflector Fig 2 19 A NOTE When you install the Loading Arm S Ass y Loading Arm T Ass y and Main Loading Gear align each marker Refer to Fig 2 19 B Loading Arm T Ass y Main Loading Gear Marker Marker Loading Arm S Ass y Fig 2 19 B Loading Arm S Ass y Loading Gear Spring Loading Gear Spring 2 20 INCLINED S T ASS Y Refer to Fig 2 20 Unlock the support 1 and...

Page 11: ...ip 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 Support Fig 3 1 Fig 3 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was loc...

Page 12: ...lop 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 P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI ...

Page 13: ...tor Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance C1 2 ...

Page 14: ...he center position NOTE Also can be adjusted by pressing the ATR button for more tan 2 seconds during PLAY VOL MIN 5 POWER ON total hours and PLAY REC total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF USING HOURS Can be checked of the INITIAL DATA of MEMORY IC Refer to the NOTE FOR THE REPLACING OF MEMORY IC VOL MIN 6 VOL MIN 1 Initializat...

Page 15: ...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 checked on the screen Total hours are displayed in 16 system of notation NOTE The confirmation of using hours will not be possible if clock has been set To reset clock either unplug AC cord and allow at le...

Page 16: ...ally 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 alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the ar...

Page 17: ...been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 4 to 7 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input 4 5 6 7 8 9 The unit will now have the correct DATA for the new MEMORY IC Enter DATA SET mode by setting VOLUME to minimum While holding down VOLUME b...

Page 18: ... Pins Parts No SJ G16 2C0 000 JG162D Cable 11 Pins Parts No SJ G16 2D0 000 JG162Y Cable 5 Pins Parts No SJ G16 2Y0 000 JG154 Cable Parts No SJ G15 400 000 3 3 JG001T X Value Adjustment For 2 heads model JG001B Stair Steps 7KHz For 4 heads model JG001I Color Bar 1KHz For 4 heads model JG001S X Value Adjustment For 4 heads model JG002B VSR Torque Brake Torque S Reel T Reel Ass y JG002E Brake Torque ...

Page 19: ...ith the cable JG162C and JG162D Connect the Syscon PCB to the CRT PCB with the cable JG162Y Remove the Operation PCB from the set then connect it with the Syscon PCB If necessary connect CP4202 Front A V Jack Input Terminal Short circuit between TP1001 and GND with the cable JG154 The EOT BOT and Reel Sensor do not work at this moment At that time the STOP EJECT button is available to insert and e...

Page 20: ...k on Main PCB It s possible to get the Servicing Position without the extension Jig if you arrange the unit as shown below But L503 connection can not be done Degauss circuit will not operate Be careful for the short circuit VHS Tape Put the Tape under the FBT Main PCB L503 2 Pin C5 3 ...

Page 21: ...erve 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 for M PAL TTV MS1 for MESECAM and TTV S1 for SECAM alignment tapes have the same contents as the previous tapes 1 8min 2 2min 3 5min 4 5min Method Contents 1 Model Model Contents 1 Application Now in u...

Page 22: ...back in SP mode Tentelometer Video Tape Guide Roller P1 Post Fig 1 3 CONFIRMATION AND ADJUSTMENT OF REEL DISK HEIGHT 1 1 1 2 3 4 Turn on the power and set to the STOP mode Set the master plane JG022 and reel disk height adjustment jig JG024A on the mechanism framework taking care not to scratch the drum as shown in Fig 1 1 A Confirm that A of the reel disk is lower than B of the reel disk height a...

Page 23: ...Spring 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM Tape Running Mechanism 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 are necessary 2 1 GUIDE ROLLER Playback the VHS Alignment Tape JG001 or JG001B Refer to SERVICING FIXTURE AND TOO...

Page 24: ...distortion is appeared then adjust the a Reflected picture of Stamp Mark Stamp Mark Audio Control Head P4 Post Fig 2 2 A Audio Control Head 1 3 2 Fig 2 2 B Tape Audio Control Head Fig 2 2 C 0 25 0 05mm TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT Confirm and adjust the height of the Reel Disk Refer to item 1 1 Confirm and adjust the position of the Tension Post Refer to item 1 2 Adjust the Guide Rol...

Page 25: ...ARTS LOCATION GUIDE 1 2 3 4 5 6 7 8 9 10 12 7 8 9 10 11 12 P4 Post T Brake Spring T Reel Ass y Idler Ass y S S Brake Spring S Reel 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 X value adjustment driver hole D1 4 11 ...

Page 26: ...channel button 3 on the remote control simultaneously until the indicator REC disappears When the REC indicator is blinking press both VOL DOWN button 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 Head Switching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the Tracking Auto button CH 1 CH 2 6 5H Fig 2 1...

Page 27: ...n 2 8 Measurement Equipment Maker SHIBASOKU Co Limited Measurement Equipment Model No DIGITAL TEST PATTERN GENERATOR 588 1 2 Receive the monoscope pattern Adjust the VR401 until the SHIFT quantity of the OVER SCAN on right and left becomes 10 2 Simple Adjustments 1 2 3 Activate the adjustment mode display of Fig 1 1 and press the channel button 6 on the remote control The Fig 2 5 appears on the di...

Page 28: ... on the remote control to set to the AV mode Then perform the above adjustments 2 5 The Black Pattern means the whole black raster signal Select the RASTER of the pattern generator set to the OFF position for each R G and B 1 BRIGHT 2 CONTRAST 3 COLOR 4 TINT 5 SHARPNESS 6 OSD CONT 7 8 0 RETURN Fig 2 6 2 16 SUB COLOR 1 2 3 4 5 6 7 8 9 Receive the color bar pattern RF Input Using the remote control ...

Page 29: ...nd left vertical line becomes straight 2 22 WHITE BALANCE NOTE Adjust after performing adjustments in section 2 14 1 2 3 4 5 Place the set with Aging Test for more than 15 minutes Receive the white 100 signal from the Pattern Generator Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 2 on the re...

Page 30: ...D2 5 ELECTRICAL ADJUSTMENTS 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION SYSCON PCB TP4201 CP603 TU601 L610 TP601 J4201 TP1002 TP4001 TP1001 ...

Page 31: ...D2 6 ELECTRICAL ADJUSTMENTS TV SECTION FOCUS VOLUME SCREEN VOLUME TP804 TP806 J801 FB401 VR401 VR402 TP501 T501 VR502 MAIN PCB CRT PCB ...

Page 32: ...performing 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 magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue colors Adjust th...

Page 33: ...ge of C507 is it normal NO YES YES NO Investigate R501 and F501 Whether there is output for IC501 3rd pin or not Investigate IC506 and IC501 Investigate T501 NO NO NO NO NO YES YES YES YES Whether is POWER FAIL normal Investigate T502 AT6V is it normal Investigate IC505 Investigate IC503 and ICP503 AT 12V is it normal Investigate IC504 and ICP503 Is there 100V in the collector of Q503 Investigate ...

Page 34: ...S NO NO YES Investigate D1015 and Q1023 Is there 12MHz OSC for IC1001 38th pin and 39th pin or not Investigate X1001 Is there 100V in the emitter of Q503 Is there horizontal out for Q405 base or not Is the 5V for IC604 6th pin or not Investigate Q1006 and Q1019 Investigate IC604 Is there a heater voltage or not Investigate Q406 R449 and R450 Investigate CRT Investigate TV Power H Investigate Q503 ...

Page 35: ...tigate IC301 peripheral circui Investigate IC701 first pin and 11th pin Then investigate IC6602 8 9th pin and 12th pin or a peripheral circuit Does a signal change at a volume upgrade knock down or not Investigate IC301 Is the voltage of IC351 12th pin DC 6V or not Investigate ICP505 D505 and D509 Does a signal come to CP702 6th pin and 11th pin or not Investigate headphone jack J351 or a peripher...

Page 36: ...form of IC604 47th pin normal or not YES YES YES Investigate X604 Whether is wave form of IC604 54th pin normal or not Investigate IC604 IC604 17th pin 18th pin and whether is wave form of 19th pin normal or not Investigate IC604 Investigate Q810 Q811 Q812 and a peripheral circuit ...

Page 37: ...ot Investigate IC701 and a peripheral circuit Is the voltage DC 5V for IC604 6th pin or not Investigate P CON 5V line Whether is a luminance signal early in IC604 52nd pin or not R G B signal out from the 17th pin the 18th pin and 19th pin Investigate IC604 and a peripheral circuit Investigate a transistor of CRT PCB Investigate IC604 ...

Page 38: ... doesn t appear The wave form of the 62nd pin the 63rd pin the 64th pin and also the 60th pin of IC1001 normal The wave form of the 58th pin the 59th pin and also the 56th pin of IC1001 is investigated Q1016 and also Q1015 are investigated The wave form of the 17th pin 18th pin and 19th pin of IC604 normal Investigate the circuit of IC604 from IC1001 Is the voltage DC 25V for IC401 6th pin or not ...

Page 39: ...e playback released approximately 3 seconds later Investigate a tape roading roading belt mode sensor DD motor and cylinder motor Is the playback released approximately 6 seconds later Investigate a reel sensor and reel belt Is the playback released intermittently Investigate reel sensor IC1001 looseness of a reel belt ...

Page 40: ...cuit Whether there are PB Y C signal for TP4001 or not Investigate a connection of IC4001 and cylinder Whether there is FM signal for IC4001 46th pin or not Exchange IC4001 Whether there is FM signal for IC4001 41st pin or not Investigate Q4012 and the peripheral circuit Whether there is a video signal for IC4001 29th pin or not Exchange IC4001 Investigate TV circuit When playback a screen doesn t...

Page 41: ...ther does CHROMA signal appear for IC4001 71st pin or not Whether does composite signal appear for IC4001 29th pin or not Exchange IC4001 Investigate a television block When playback a color doesn t adhere to it Investigate CP4001 and the peripheral circuit Investigate Q4008 and the peripheral circuit ...

Page 42: ... playback Whether does TP4001 FM signal appear or not Exchange cylinder unit and CP4001 There is FM signal for IC4001 41st pin and doesn t a noise appear again Investigate a peripheral circuit of IC4001 46th pin Video waveform of IC4001 29th pin is 2V and doesn t a noise appear again Exchange IC4001 Exchange IC701 ...

Page 43: ... video signal for IC4001 29th pin or not Investigate a video input circuit FRONT and REAR VIDEO IN Whether there is CHROMA signal for IC4001 61st pin or not Investigate Q4010 peripheral circuit Whether there is FM signal for CP4001 4 6th pin or not Investigate CP4001 peripheral circuit Exchange a cylinder unit ...

Page 44: ...st pin or not Whether there is an audio signal for IC5501 57 53rd pin or not Exchange IC5501 Investigate a peripheral circuit of IC701 14 21st pin Investigates wound whether a connector with an audio head is complete and inserted into CP4005 to investigate whether there isn t becoming dirty or not or not for an audio head to investigate a circuit of IC4001 5 8th pin When playback a sound doesn t a...

Page 45: ...8th pin of CP1004 5V Investigate a power supply circuit When playback voltage of 4th pin of CP1004 2 5V or whether is IC1001 12th pin 2 5V or not Exchange IC1001 When being reborn is a tension of 4th pin of CP1004 2 5V Exchange IC1001 Whether do you exchange DD motor in case that DD motor doesn t rotate or not ...

Page 46: ... for IC4001 76th pin or not Investigate a circuit to IC4001 76th pin with IC5501 61st pin Whether there is an audio signal for IC4001 96th pin or not Investigate IC4001 and the peripheral circuit Whether there is a signal for IC4001 98th pin or not Investigate IC4001 and the peripheral circuit NO Whether there is a signal for IC4001 7th pin or not Exchange IC4001 Investigate a lead line and connec...

Page 47: ...ough a cassette can insert it a tape doesn t move Investigate a portion related to roading motor and a mode sensor Investigate IC1001 and CP1005 Investigate a tact SW Does mode indicator appear in Display Does VCR operate with the remote control ...

Page 48: ...01 36 38th pin or not Investigate video input jack and IC4001 tuner and IC4001 circuit Whether there is a video signal for IC4001 46th pin or not Exchange IC4001 Investigate Q4012 peripheral circuit Whether there is FM signal for IC4001 82 85th pin or not NO NO Exchange IC4001 Investigate a cylinder unit Whether there is a video signal for IC4001 41st pin or not ...

Page 49: ... power supply circuit Investigate 5V and 9V lines Investigate a line of IC4001 38th pin with IC604 56th pin Whether is IC604 6 and 28th pin 5V or not Whether there is a video signal for IC4001 38th pin or not YES NO Whether there is Y signal for C signal 52nd pin for IC604 54th pin or not Investigate a line of IC604 54 52nd pin with CP604 4 5th pin Exchange IC604 ...

Page 50: ...ne of a MAIN PCB When playback is a voltage of 5th pin of CP1005 DC 1 2V approximately When playback is a voltage of 77th pin of IC1001 square wave of 5Vp p Exchange a cylinder motor Investigate a circuit to CP1005 5th pin and IC1001 77th pin Exchange IC1001 Whether is a voltage of CP1005 2nd pin DC 12V approximately or not ...

Page 51: ...not Exchange an audio head Whether is an input level of IC1001 87th pin a sine wave of 2 5Vp p or not Exchange capstan DD unit Exchange IC1001 Investigate a audio block When playback is a tension of 3rd pin of CP1004 DC 2 2V approximately When playback is a tension of 65th pin of IC1001 square wave of 5Vp p ...

Page 52: ...sette more is a tension of 3 4th pin of IC1001 0V Around a cassette insertion is a voltage for 3 4th pin of CP1006 9V Exchange roading motor Around a cassette insertion is a voltage of 21st pin of IC 1001 5V Whether does 12MHz clock oscillate or not NO NO Investigate a circuit of roading motor Exchange IC1001 Exchange X1001 Investigate IC1001 to investigate LED and photosensor of a MAIN PCB and th...

Page 53: ...ot For whether it is a cassette defective product or not cassette roading block defective product Exchange EOT BOT photo transister Whether is an ejection position of a front roading gear correct or not Investigate IC1001 Investigate a front roading gear NO NO NO If you cover an infrared rays sensor 3rd of IC1001 is a tension of 4th pin 0V ...

Page 54: ... work When pushing FF REW button does the voltage of 65th pin of IC1001 change Exchange IC1001 Investigate IC1001 72nd pin Investigate Q1001 and the peripheral circuit Investigate deck mechanism NO NO Whether does the voltage of CP1004 4th pin change ...

Page 55: ...ck it takes 1 3V for 5th pin of CP1005 Whether is a voltage of a whether DC 5V pulse depends on IC1001 65th pin or not IC1001 76th pin 1 4V or not Exchange a cylinder unit Investigate R1049 R1052 R1056 and D1009 Whether does a head switching pulse appear for TP1002 or not 30 Hz Whether is PG pulse signal inputed by IC1001 90th pin or not Exchange IC1001 Whether is a reel sensor pulse signal by IC1...

Page 56: ... not Investigate P B envelope Whether is a height of a guide post correct or not Adjust guide post height Whether is PG SIFTER 6 5 H or not Adjust PG SHIFTER Investigate a circuit of PB Y When playback a picture vertically finely shakes For tracking UP DOWN make does a noise of a screen get with no ...

Page 57: ...o tracking doesn t work Whether does DC level of IC4001 93rd pin change with manual tracking or not Investigate IC4001 and cylinder unit Whether is VIDEO SYNC in IC1001 59th pin or not YES YES NO Exchange IC1001 Investigate Y C circuit ...

Page 58: ...O NO NO YES YES YES YES It refers to a clause of Capstan DD motor doesn t rotate Whether is capstan belt normal or not Exchange capstan belt Whether there is a reel sensor pulse signal for IC1001 79th pin or not Investigate Q1001 and R1006 Whether there is a reel sensor pulse signal for IC1001 80th pin or not Investigate Q1005 and R1019 Exchange IC1001 ...

Page 59: ... pin NO Exchange IC1001 Exchange a cylinder motor Whether is FG output level of CP1005 3rd pin approximately 4 5Vp p or not Exchange a cylinder motor Whether does a sine wave of 4 4Vp p appear for IC1001 89th pin or not Exchange IC1001 When playback is it 3 8V as hanging a load for an approximately 2 2V or cylinders voltage of 5th pin of CP1005 Exchange a cylinder motor When playback a picture hor...

Page 60: ...SERVO TIMING CHART IC1001 OEC7041A DPG 0 PIN DFG 9 PIN H SW P 8 PIN CH 1 CH 2 REC CTL REC 7 PIN V SYNC TRICK PB 3 PIN WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED F2 1 V SYNC E E 9 PIN ...

Page 61: ... Head SW to Y C A and Head Amp 19 HI FI H SW O Output terminal of audio Head SW to Y C A and Head Amp 20 LDM RVS O Output signal to control the rotation direction of the loading motor 21 LDM FWD O 22 TRICK PB H O Special effect playback CUE REVIEW STILL SLOW etc 23 MSSENS CTL O MSSEN sensor LED 24 CAP HI H O Power of Capstan Motor select 25 PLAY LED O PLAY indication LED output 26 EXT MUTE O Mute ...

Page 62: ... H O On control of A V recording Whole width erase circuit 67 IIC CLK3 O Not used 68 IIC DATA3 I O Not used 69 SP H O Output H terminal of Playback Recording SP mode 70 IIC DATA2 I O Terminal for I2C BUS communication 71 IIC CLK1 O CLOCK terminal for I2C BUS communication 72 IIC DATA1 I O DATA terminal for I2C BUS communication 73 IIC OFF I When input L the I2CBUS communication is stopped 74 JUST ...

Page 63: ...n for C 94 CTL I O Input and output terminal of Control Head 95 CTL I O Input terminal of Control Head 96 AMP C Condenser connection for AMP C 97 CTL AMP OUT O Output terminal for amp out 98 AMP VCC 5V 99 ANALOG VCC 5V 100 DEW mono I Input terminal for the detection with the dew of the cylinder 100 STEREO SEL HiFi I Input terminal for the judgement of voice reception condition The assignment for P...

Page 64: ... CLUTCH DIRECT CONNECTION PINCH ROLLER LOADING DIRECTION FWD CAPSTAN FWD ROTATING DIRECTION CAPSTAN RVS ROTATING DIRECTION LIGHT RECEIVING LIGHT RECEIVING H LIGHT GUARD LIGHT RECEIVING LIGHT GUARD LIGHT GUARD L STP FF FWD T BRAKE S BRAKE TAPE IN POWER OFF FF REW STP CASSETTE DOWN FWD TAPE LOADING FWD WHEN MSSEN A IS CHANGED FROM LIGHT GUARD TO LIGHT RECEIVING CASSETTE IN WILL BE DETECTED FWD RVS V...

Page 65: ... T7 RU2AM V1 MTZJ5 1B T 77 RMPG06J MTZJ5 6B T 77 MTZJ6 2B T 77 MTZJ6 8B T 77 MTZJ9 1B T 77 SB10 03A3 IC 20PIN 64PIN 8PIN 3PIN 7PIN 3PIN 3PIN M62420SP AN3662FBP M24C04 BN6 PST600H LA7840 NJM7805FD KIA7806PI 80PIN KIA7812PI LA71170M MPB 4PIN 3PIN 5PIN 4PIN 100PIN 12PIN 8PIN PQ09RD08 UPC2406AHF STR F6626 TLP621 D4 GR LF2 LA76814BM MPB AN7522 BA6955AN OEC7041A CATHODE ANODE CATHODE ANODE CATHODE ANODE...

Page 66: ...146R S RPI 352Q01R 2SA1371 D E AE 2SC2412KT146 R S 2SA733 C T_Q DTC114TKAT146 2SB892 S T AE 2SC1317 Q R S T 2SC1815Y TPE2 2SC2909 S T AA 2SC3331 S T U A 2SD2499 LBOEC1 DTA124EKAT146 2SC4160 OEC YAC1 DTC114EKAT146 2SD1667 R S DTC124EKAT146 DTC143EKAT146 E A K C E CB E C B E CB B CE E C B E C B E C K A E C B G O I G 2 ...

Page 67: ...59 60 AC IN D501 D504 RECTIFIER F501 Q503 B 100V DRIVE Q502 100V DRIVE Q501 100V SW F502 8 14 4 12 T501 9 AT 30V 3 1 AT 5 6V 3 1 12V REG IC504 KIA7812PI AT 12V 3 1 SW REG IC501 STR F6626 IC506 TLP621 FEED BACK Q507 FEED BACK SW Q506 5V SW Q513 5V SW VR502 B ADJ L503 DEGAUSS COIL RY501 RELAY Q504 RELAY DRIVE 3 1 TH501 DEGAUSS ELEMENT 2 16 SP302 SPEAKER SOUND AMP IC352 AN7522 10 1 3 5 J351 HEAD PHON...

Page 68: ...01 3 2 1 EP LP CH1 R EP LP COM EP LP CH2 L CYL FE HEAD HOT SCL FE HEAD GND SDA MICON POWER OPERATION 2 1 CP4004 FE HEAD CP4005 6 5 4 AUDIO PB AUDIO REC CTL HEAD AUDIO CONTROL 3 2 1 AE HEAD AE HEAD CTL Q4001 Q4002 AUDIO PB SW CTL CTL Q4010 BUFFER Q4011 BUFFER Q4212 BUFFER Q4210 MUTE SW TU V OUT_1 MONITOR_V EXT_MUTE TV 90 91 94 11 H SW 5 4 2 3 Q4006 BIAS OSC Y C_VIDEO_1 FRONT_VIDEO_IN Q4013 SW V REC...

Page 69: ... FG 1 CYL PG CP1005 4 CTL CP1004 1 4 3 2 1 3 4 2 1 3 4 2 Q1002 SENSOR SW AT 5 6V MS_SEN A Q1009 MS_SEN B Q1003 REEL SENS Q1001 REEL SENS Q1005 AT 21V POWER FAIL DC AT 5 6V P CON 5V MICON POWER OPERATION BLOCK DIAGRAM SCL X_RAY SDA SCL OSD_R CTL Y C_VIDEO_1 CTL V REC_ST_H SDA VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO HEAD AMP IN OUT TV CAPSTAN DD UNIT DECK MICRO MOTOR TV BUFFER Q1018 Q1017 TV_POWER...

Page 70: ...HIFI_ENV SCL SDA H AUDIO_OUT_R ST_SELECT REAR_A_IN_R REAR_A_IN_L FRONT_VIDEO_IN HF1 HF_COM FSC HF2 Y C_AUDIO NORMAL_A Y C AUDIO H AMP IN OUT MICON POWER OPERATION Y C AUDIO H AMP IN OUT 51 58 19 P CON 9V P CON 5V INPUT SW AMP AMP OUTPUT SW PNR BPF FM LIM DEM BLOCK AMP AMP AGC LOGIC VCO FO ADJ LOGIC TV 2 4 6 7 1 3 5 J701 H 4 AUDIO SIGNAL PB AUDIO SIGNAL REC TUNER VIDEO SIGNAL ...

Page 71: ...96 D793 D794 D791 W804 R352 W806 W809 R780 R771 R772 R774 R773 C779 R777 R776 R775 R766 R793 W805 R794 W807 C751 R778 C781 CD702 R758 W004 W005 W002 J701_1 R752 R751 C353 C352 W001 R351 W813 W812 CD757_1 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE I 1 DECK SOLDER SIDE CP101 Q101 Q102 CP102 ...

Page 72: ... SW791 SKHVBED010 STOP EJECT SW796 SKHVBED010 VOL UP SW797 SKHVBED010 VOL DOWN SW792 SKHVBED010 PLAY SW750 SKHVBED010 PLAY BACK SW793 SKHVBED010 FF CUE SW794 SKHVBED010 REW GND B Vout OS753 PIC 28143TC5 1 2 3 CD702 CH2B032A 1 10 11 2 3 4 5 6 7 8 9 TUNER VIDEO SIGNAL AUDIO SIGNAL DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE D...

Page 73: ...IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION CP101 52044 0445 1 2 3 4 CP102 173979 2 1 2 S105 S106 S103 S104 S101 S102 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME I 3 VE8851 FROM TO MICON FROM TO MICON M101 LOADI...

Page 74: ... R302 C1061 C1030 C1060 R1044 R1045 R1053 R1029 C5530 C5540 C5541 C5551 R5508 C5515 C5513 R5504 C5519 R5519 I C 5 5 0 1 R4074 C1034_1 C5543 Q1015 C1044 R1056 Q1016 C1053 R1058 C1055 R1060 C616 C678 Q1022 C648 R639 R636 R651 R642 C646 R633 R645 R637R648 R611 C641 C644 C642 R634 C630 R625 R623 C675 R655 C676 R626 R618 Q602 C4202 R605 C673 C608 C306 C307 Q1023 R5521 R5520 C5502 C5508 C5507 C5506 R551...

Page 75: ...W274 W209 W206 D4203 W234 W233 C4080 R1018 W174 C4012 C1018 C1016 C5531 C5534 C5538 C5536 C5552 C301_1 C315_1 C4073 C4023 W067 D1007 D1010 C354 W109 W010 W138 W137 W135 B4001 C4068 C4067 W151 W842 W090 R1016 W066 W068 W050 W047 W075 W073 W094 W243 D4005 W055 W076 W077 L602 CC4202 CC4201 W164 D605 D1001 W039 W038 R1077 R1064 TP1002 TP5502 W121 W170 W061 W114 W162 W211 W154 W143 W028 R1005 W212 W216...

Page 76: ...00 W101 Q4006 C4003 C4076 C4035 L4008 R4054_1 Q4001 Q4002 L4004 C4025 Q4005 L4002 C4040 C4006 L4007 C4048 C4016 L4005 C4027 C4046 C4051 L4010 L4009 C4053 C4050 C4041 C4039 W131 W130 L4006 C4058 C4071 C4062 C4063 C4070 L4012 L4011 C4078 R613 C605 W258 C656 C623 C638 C650 TP4201 C624 R4239 C651 L4205 L605 CP1003 C1042 C1001 W232 IC1003 CP1006 R1024 R1010 W169 L4003 W150 C1058 CP1002 W275 C4220 CP400...

Page 77: ... 2623003 15 6KHZ TRAP 1 2 3 4 6 Q4013 DTC114TKA SW 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 IC4002 NJM7805FD 5V REG 1 2 3 CAUTION DIGITAL TRANSISTOR CP4001 TOC C09X A1 1 2 3 4 5 6 7 8 9 D4005 MTZJ5 6B B4001 BL01RN1 A63 RECORD LUMINANCE SIGNAL PLAYBACK ...

Page 78: ...YSTEM RESET 1 2 3 CAUTION DIGITAL TRANSISTOR TUNER VIDEO SIGNAL DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION AT 5 6V P CON 5V P CON 12V POWER_FAIL DC SDA SCL OSD_R OSD_G OSD_B CAP_CTL REEL_T REEL_S IIC_OFF...

Page 79: ...16 0 01 B C683 220P CH C646 0 01 B C623 1 50V KA C601 47 35V YK C611 10 50V KA C638 47 16V YK C669 10 50V YK C651 1 50V KA C645_1 1000 10V YK X604 3 579545MHz 100CT3R505 Q602 2SA1037AK BUFFER Q605 2SA733_Q CUT OFF Q603 2SC2412K BUFFER Q604 2SC2412K BUFFER L613 68uH L614 68uH L604 0 39uH L602 15uH D603 1SS133 D604 1SS133 D602 1SS133 D607 1SS133 D605 11ES1N L610 3602038 1 2 3 4 6 OF PRINTING AND SUB...

Page 80: ...F 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 AUDIO SIGNAL REC AUDIO SIGNAL PB FSC SDA SCL P CON 5V P CON 5V TU A OUT_1 VCR_A_MUTE FRONT_A_IN_R FRONT_A_IN_L REAR_A_IN_R REAR_A_IN_L H_AUDIO_OUT_R H_AUDIO_OUT_L V REC_ST_H H_AUDIO_OUT_R HIFI_ENV TU A OUT_1 HIFI...

Page 81: ...DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS CAUTION DIGITAL TRANSISTOR TUNER VIDEO SIGNAL SP_OUT_R SOUND_R SP_OUT_L FRONT_VIDEO_IN SOUND_L H_AUDIO_OUT_R H_AUDIO_OUT_L REC_TU V OUT FRONT_A_IN_R FRONT_A_IN_L REAR_A_IN_L REAR_A_IN_R TU V OUT_1 ON_TIM_LED REMOCON_IN Y C_VIDEO MONITOR_V TV_POWER_H T REC_LED OTPB_LED REC_LED AT 5 6V SOUND_GND SCL_A SDA_A KEY_B K...

Page 82: ...AL TRANSISTOR DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION Q1010 DTA124EKA DRIVER CAUTION DIGITAL TRANSISTOR CAP_VCO P CON 5V MOTOR_GND P CON 12V P CON 10V P CON 5V GND AT 5 6V P CON 12V CAP_MID_H P CON 5V...

Page 83: ...01 B C310 0 022 B C302 0 033 B C320 0 047 B C316 0 1 B C313 0 047 B C311 2 2 50V KA C301_1 10 50V KA C312 2 2 50V KA C354 1000 25V YK Q350 2SC2412K MUTE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME B301 BL01RN1 A63 DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIEC...

Page 84: ...804 C810 R810 R813 R802 R801 R803 R402 C402 C409 R413 R414 R404 R429 R426 R427 R428 R431 R433 Q402 Q401 R425 R410 R420 R403 C419 C415 R412 R409 R401 R533 R532 R516 R513 Q506 Q507 C549 R552 R514 Q513 R523 Q520 Q521 R541 R511 C802 I 14 PRINTED CIRCUIT BOARDS MAIN CRT ...

Page 85: ...12 C531 CP811 CP502 C503 C514_1 B505 T501 W006 IC501 C512 C510 HS501 D506 C515 C509 IC506 R542 R 5 0 5 L502_1 W023 C506 FH502 F501_1 FH501 L501_1 C505 CP501 D529 R529 D536 R 5 3 1 W024 W022 D507 D534 R503 W007 B502 B501 W019 W005 W018 W016 Q502 R553 D537 W803 RY501 W012 W020 R549 R519 C520 R507 R506 R502 R504 R509 W014 W027 W029 W013 W002 FB401 C443 W044 W028 W031 C438 D535 HS403 W042 R501 HS504 Q...

Page 86: ...IC504 FH503 FH504 C517 B504 C521 R 51 0 D519 IC503 IC502 C526 HS503 C527 C519 D514 C523 C518 ICP503 ICP504 D508 VR502 D523 C554 D516 Q504 D531 D527 D524 D530 C502 T502 TH501 ICP502 D512 C531 CP811 CP502 C503 C514_1 B505 T501 W006 IC501 C512 C510 HS501 D506 C515 C509 IC506 R542 R 5 0 5 L502_1 W023 C506 FH502 F501_1 FH501 L501_1 C505 CP501 D529 R529 D536 R 5 3 1 W024 W022 D507 D534 R503 W007 B502 B5...

Page 87: ...25KV MPP C443 0 0027 1 25KV MPP C450 0 001 2KV BP C423 0 47 200V FHS C438 680P 500V B C419 0 082 B C417 560P 500V B C416 22P 500V SL C409 0 0033 B C402 0 001 B C405_1 1 5 TF C415 0 33 B C432 0 1 100V TF C412 390P 500V B C430 0 001 2KV BP C411 0 47 100V TF C421 1000 35V YK C418 1 160V MHE C433 22 100V MHE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT ...

Page 88: ...1DQ09N D538 RU2AM D510 RU2AM D527 11E1N D524 11E1N D530 11E1N D531 11E1N D532 11E1N D523 1SS133 D516 1SS133 D508 21DQ09N D518 1SS133 D529 1SS133 IC506 TLP621 D4 GR LF2 FEED BACK 1 2 3 4 IC502 UPC2406AHF 5V POWER REG 1 2 3 IC505 KIA7806PI 6V POWER REG 1 2 3 IC504 KIA7812PI 12V REG 1 2 3 CAUTION DIGITAL TRANSISTOR IC501 STR F6626 SW REG 1 2 3 4 5 HS502 763WAA0140 HS503 763WAE0104 HS501 763WAA0082 HS...

Page 89: ...1 270P CH C812 390P CH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION D801 1SS133 D802 1SS133 D803 1SS13...

Page 90: ...FRONT A IN L SOUND GND SOUND OUT L SP OUT L GND FRONT A IN R SOUND OUT R FRONT VIDEO IN CD757 CP4201 OTPB LED POWER ON LED REMOCON OUT GND KEY A T REC LED REC LED KEY B ON TIMER LED GND P CON 10V TM9452 PCB070 FB401 FBT GND GND DY AT 12V AT 12V P CON 9V AT 5 6V MOTOR GND AT 30V AT 21V AT 10V TV POWER H VCR POWER H V PULSE TV POWER H VCR POWER H SP OUT L SOUND L SOUND R MR FG SENSOR G O VCC ROTOR M...

Page 91: ...3 8 10V 10ms div REC 200mV 0 2ms div 200mV 20µs div 4 9 2V 10µs div PB 0 5V 20µs div 14 REC 200mV 10µs div 50V 10µs div 5 10 0 5V 5µs div J 1 TV POWER DEFLECTION Y C AUDIO HEAD AMP DEFLECTION TV POWER CRT The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS ...

Page 92: ...div REC 5V 20µs div REC 20mV 5µs div PB 1V 10ms div REC 200mV 5ms div PB 2V 5ms div REC 1V 2ms div REC 0 5V 10µs div REC 1V 20µs div PB 0 5V 0 5ms div 30 POWER ON 200mV 20µs div J 2 MICON IN OUT The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS ...

Page 93: ...3 200mV 10µs div 34 50mV 10µs div 35 200mV 10µs div 100mV 1ms div 36 J 3 The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE SOUND AMP CHROMA IF WAVEFORMS ...

Page 94: ...12 113 115 217 217 217 205 205 205 213 213 213 213 214 218 218 141 K1 1 211 211 211 211 L503 V801 142 PCB110 CRT PCB 114 J801 132 132 139 126 126 MECHANICAL EXPLODED VIEW PCB030 OPERATION PCB B 101 116 128 128 117 118 119 120 123 124 125 127 208 207 207 207 207 207 207 137 137 215 SP302 207 137 137 215 SP301 131 104 ...

Page 95: ...204 204 204 A 133 206 134 216 115 206 115 115 212 219 219 115 216 K1 2 135 B PCB010 SYSCON PCB TU601 202 210 114 114 202 103 106 209 140 143 105 213 115 213 208 102 MECHANICAL EXPLODED VIEW ...

Page 96: ...ONT 1 210 87 741 095 410 SCREW TAP TITE P FLAT 3 8 1 117 S1 2WP J06 670 PLATE FRONT 1 211 S1 11J 50D 040 SCREW TAP A 5 40 4 118 S1 2WP J06 680 FLAP 1 212 87 743 073 010 VT2 2 6 6 1 119 GLASS LED 1 213 87 753 095 410 SCREW TAP 3 8 15 214 S1 0A1 30B 040 SCREW WASHER A M3x20 3 120 S1 3WP A01 000 GUIDE REMOCON 1 215 S1 46I 26A 040 SCREW TAP M2 6x10 8 121 HEAT SINK 1 216 S1 076 308 040 SCREW TAP 2 122 ...

Page 97: ...for each position NOTE KYODO OIL SLIDAS No 150 BA OIL 505 UN4001 334 321 348 507 H5001 506 305 304 501 356 301 347 316 317 313 508 315 338 512 310 361 329 359 368 357 366 351 364 308 306 366 358 365 351 363 323 324 362 353 320 A M2003 505 505 515 335 319 349 318 336 328 512 314 508 313 309 355 502 H5002 511 A M101 509 369 371 370 502 502 PCB550 DECK PCB ASS Y 303 AA AD AD AD AD AA AD AD AA AA AB A...

Page 98: ... 346 312 331 514 344 512 330 AA AA AA AA AA AD AA AA AA AA AA AA AA BA AC AA AD AD PART NO CLASS MARK GREASE G 555G AA G 488M AB MG 33 AD FL 721 AC NOTE Applying positions AA AB AC AD and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position KYODO OIL SLIDAS No 150 BA OIL K2 2 300 ...

Page 99: ...S Y 1 511 S2 P26 600 5N0 PW CUT 2 6 6 0 5 3 323 S5 OA9 002 130 LINK ASS Y 1 512 S2 Q26 471 3N0 PW 2 6 4 7 0 13 3 324 S5 OA9 002 160 LINK LEVER ASS Y 1 513 S2 P18 450 5N0 PW CUT 1 8 4 5 0 5 1 325 S5 OP2 002 610 LEVER CLUTCH 1 514 S3 ETW 300 000 E RING 3 2 326 S5 OP2 002 620 RING CLUTCH 1 515 S1 0A1 235 040 SEMS A M2 3 5 2 327 S5 OP2 002 630 GEAR CLUTCH 1 328 S5 OP2 002 710 REEL S 1 CP101 CONN PWB S...

Page 100: ...P E 33 16V C656 87 A10 189 040 CAP E 220 10V C5536 87 015 075 040 CAP E 10 16V C659 87 010 402 080 CAP E 2 2 50V C5537 87 015 695 080 CAP E 1 50V C660 87 010 403 080 CAP E 3 3 50V C5538 87 015 075 040 CAP E 10 16V C669 87 010 560 080 CAP E 10 50V C5539 S0 E7T 033 0M0 CAP E 33 6 3V C688 87 A10 189 040 CAP E 220 10V C5547 87 015 075 040 CAP E 10 16V C1001 87 010 135 010 CAP E 100 25V C5548 87 015 07...

Page 101: ... CP1004 S6 972 805 900 CONN PWB SIDE Q1019 SB 3T0 089 200 TR 2SB892 CP1005 S6 9R7 500 280 CONN PWB SIDE 52045 0545 Q1022 87 026 287 080 TR DTC143EKAT146 CP1006 S6 9R7 400 280 CONN 52045 0445 Q1023 89 324 122 080 TR 2SC2412KT CP4001 S6 972 906 200 CONN PWB SIDE Q4001 SC 3T0 333 100 TR 2SC3331 S T U A CP4004 S6 971 203 200 CONN PWB SIDE TMC T02X E1 Q4002 SC 3T0 333 100 TR 2SC3331 S T U A CP4201 S6 9...

Page 102: ...2 1 2W RNF50R120J DIODES R437 S3 X18 101 0J0 RES M MOR1W010JB B 1 R439 87 025 525 080 RES M 27K 1 4W D401 S2 8T1 1E1 N10 DIODE 11E1N TA1B2 R441 87 025 571 080 RES M 100K 1 4W D402 87 020 465 010 DIODE 1SS133T R442 87 025 459 080 RES M 15K 1 4W D403 87 027 661 010 ZENER HZ30 1L TD R443 S4 X5T 482 2F0 RES M 8 2K 1 4 D404 87 027 661 010 ZENER HZ30 1L TD R444 87 025 459 080 RES M 15K 1 4W D406 S2 8T1 ...

Page 103: ...154 080 TR 2SC1815Y Q506 87 026 239 080 DTC114TKAT14 C808 S0 34B N71 3K0 CAP CER 0 001 2KV Q507 89 324 122 080 TR 2SC2412KT Q513 87 026 235 010 TR DTC114EK DIODES Q520 87 026 239 080 DTC114TKAT14 Q521 87 026 239 080 DTC114TKAT14 D801 87 020 465 010 DIODE 1SS133T D802 87 020 465 010 DIODE 1SS133T COILS D803 87 020 465 010 DIODE 1SS133T B501 S2 4AT 036 550 CORE BEADS BL01RN1 A63T6 TRANSISTORS B502 S...

Page 104: ...0 CORE FERRITE HF57T18 5 10 10 L503 S2 8R2 000 240 COIL DEGAUSS 8R200024 AC CORD CD501 S2 0R6 149 180 CORD AC 0R614918 OTHERS CD303 S6 CH1 440 0A0 CORD CONN CH14400A SP301 S7 0V0 420 010 SPKR S0410J05A SP302 S7 0V0 420 010 SPKR S0410J05A V801 S9 8W2 104 190 CRT W DY A51LSH196X01 O K3 5 ...

Page 105: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 737004 Printed in Singapore ...

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