Aiwa VX-G143 Page 76 Service Manual Download

Page: 76 / 100

S801X

S801Y

S804Y

S804X

TP4001

JWF-50K-1

H.SW

TP4002

JWF-50K-1

V.ENV

CAUTION: DIGITAL TRANSISTOR

L4005

1626008

COIL,BIAS OSC

Q4003

DTA124EKA

V.REC ST SW

DURING PLAYBACK

MEASURED WITH THE DIGITAL TESTER

NOTE:

THE DC VOLTAGE AT EACH PART WAS

L4013

100uH

0607

L4008

1mH

L4015

100uH 0607

L4007

100uH

0607

L4004

100uH 0305

L4009

100uH

0607

L4006

1mH 0607

L4003

100uH

0607

L4002

100uH

0607

Q4006

2SA1037AK

BUFFER

W934

W803

W820

W905

Q4010

2SC2412K

BUFFER

Q4007

2SC2412K

AMP

Q4005

2SC3331

PB SW

Q4004

2SC3331

PB SW

Q4001

2SD734

NORMAL AUDIO
REC ST SW

Q4002

2SD734

OSC

C4042

0.47

50V

C4038

50V

C4040

2.2

50V

C4108

100

16V

C4001

16V

C4057

4.7

50V

C4050

4.7

50V

C4088

6.3V

C4074

16V

C4102

220

6.3V

R4073

2.2M

R4055

100

R4001

1.5K

R4054

330K

R4006

R4018

560

R4022

680

R4040

100 1/4W

R4053

330K

R4003

820

R4025

7.5K

R4029

24K

R4028

27K

1/4W

R4049

2.2M

R4032

6.8K

R4013

2.2K

R4012

2.2K

R4035

5.6K

R4051

10K

R4011

2.2K +-1%

R4031

4.7K

R4016

220

R4015

10K

R4017

47K

+-1%

R4056

2.2K

R4002

3.3

R4005

150

R4004

10K

R4057

47K

+-1%

R4021

18K
+-1%

R4042

5.6K

R4026

27K

R4033

1.5K

R4008

1K 1/4W

R4030

6.8K

R4036

100K

R4014

270K

R4034

4.7K

R4050

330

R4052

220

R4041

1/4W

C4077

C4002

0.022 B

C4009

0.022

100V

C4044

0.1

C4048

0.022

C4046

0.1

C4107

0.022

C4099

68P

C4076

0.1

C4072

0.1

C4064

0.01

C4063

0.1

C4033

0.001

C4004

0.01 B

C4032

0.001

C4026

0.01

C4045

0.1

C4035

0.01

C4054

C4052

150P

C4037

820P

C4060

0.1

C4062

0.1

C4056

0.1

C4058

39P

C4023

0.1

C4010

0.001 B

C4006

0.0047 B

C4019

0.01 B

C4020

0.01

C4098
0.01 B

C4097
0.01 B

C4018

0.033

C4005

0.01

C4007

0.01

C4106

0.1

C4100

27P

C4061

0.022

C4059

0.001

C4016

0.1 B

C4047

0.1

C4086

1 B

C4090

0.01 B

C4013

220P CH

C4014 0.1

C4082

180PCH

C4083

0.01

C4053

0.1

C4068

0.1

C4080

0.01

C4070

0.1

C4079

C4043

0.1

C4067

0.01

C4028

0.01

C4027

0.01

C4101

0.1

C4105

C4075

0.01

C4089

0.1

C4073

3.3

50V

C4041

4.7

50V

C4069

6.3V

C4091

16V

C4078

2.2

50V

C4039

4.7

50V

C4071

16V

C4031

4.7

50V

C4015

220

6.3V

C4025

4.7

50V

C4049

6.3V

C4051

16V

C4055

6.3V

C4017

100

6.3V

C4024

3.3

50V

C4036_1

4.7

50V

C4084

220

6.3V

CP4001_1
TOC-C04X-B1

L4016

39uH

L4012

220uH

L4011

12uH

IC4001

HA118217F

Y/C/AUDIO/CCD/HEAD AMP IC

100

X4001

4.433619MHz

CP4004
TMC-T02X-E1

CP4005

IMSA-9604S-06Z14

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

D4003

RB721Q

L4001

2623003

15.6KHz TRAP

RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL

TUNER VIDEO SIGNAL

AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)

TUNER AUDIO SIGNAL

SDA

SCL

H.SW

2FSC_A

ENV_DET

P.CON+5V

EE/VV_OUT

D.V_SYNC

Y/C_VIDEO

TU_VIDEO

TU_AUDIO

Y/C_VIDEO

Y/C_AUDIO

GND

Y/C_AUDIO

P.CON+9V

FRONT_VIDEO

P.CON+5V

REAR_VIDEO

FRONT_AUDIO

REAR_AUDIO

Y/C_VIDEO

Y/C_AUDIO

V.SYNC

VCR_A_MUTE

H.SW

P.CON+5V

V.SYNC

SCL

SDA

2FSC_A

MESECAM_M

D.V_SYNC

V.REC_ST_H

P.CON+5V

ENV_DET

CTL+

MESECAM_M

CTL-

VCR_A_MUTE

REAR_VIDEO

CTL-

CTL+

V.REC_ST_H

FRONT_AUDIO

FRONT_VIDEO

REAR_AUDIO

P.CON+5V

V.REC_ST_H

P.CON+5V

TU_AUDIO

P.CON+5V

TU_VIDEO

FROM/TO 21PIN I/O

FROM/TO CHROMA/IF

VMX193

WB010

FROM/TO FULL ERASE HEAD

FROM/TO HEAD AUDIO CONTROL

FROM/TO CYL

(SYSCON P

WB)

Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM

I-7

FROM/TO MICON

2.5

5.0

2.5

2.0

6.3

1.4

0.4

2.5

2.8

2.0

2.1

2.8

0.1

3.0

2.9

2.1

4.8

2.4

4.8

2.8

2.7

2.1

2.2

1.7

1.0

2.1

4.5 2.6

2.8

2.1

2.8

1.9

2.8

2.1

1.4

2.1

3.1

2.1

2.4

2.7

3.1

2.1

0.6

0.7

3.1

1.4

4.8

2.5

2.9

2.5

0.7

4.8

4.9

4.6

4.7

0.4

2.5

4.8

1.8

4.8

3.0

4.8

0.1

4.8

3.0

2.8

2.5

4.8

0.5

4.8

2.2

2.1

2.2

1.5

2.6

1.2

2.5

FE HEAD(HOT)

FE HEAD(GND)

AUDIO PB

AUDIO REC

CTL+

AE HEAD(+)

AE HEAD(-)

CTL-

SP-CH1 (R)

SP-CH2 (L)

PSW2

VCA

REC EQ

GAP

BAND

DET

SW40

SP ON

DET

MESECAM

FROM

B.E

C.K

6dB AMP

SYNC.SEP.

CLAMP

FEED BACK

OUT

N-P CONT

NTSC/PAL

LPF

CCD

LEVEL DET1

C.K

N P

B.D

SW115

VCC=5V

N.C.

SQUELCH

GEN

PULSE

WHAITH

LMIT

SW22

SW23

SW21

ADJ

LEVEL

MIX

LPF

SW25

LEVEL DET2

CTL TRAP

FHTRAP

HPF

SW20

SW19

COMP

SEP

ACC

HPF

2M LPF

SW28

HEAD SW1

2FL VCO

COMP

MUTE

REC

L SECAM

SW7

AGC

SQPB

TRAP

629

DET

SW27

L SECAM

SW16

DE EMPH

EMPH

SW12

S-DET

FO/DEV

ADJ

PRE
AMP

SP1

SP2

EP2

EP1

CH2

CH1

CH3

SW15

SW17

SW18

SW24

SW26

C GND DO

LPF

(-10dB)

ATT

CONT

MODE

CCD

DEIVER

CLOCK

VIDEO ALC

CCD

Y APA

D.E.

REC

AGC DEL
PB ALC

VIDEO AGC

C SQUELCH

CCD

CLEAR SYNC

GND

BPF

CONV1

MAIN

CONV.

DOWN

1/2

PHASE SW

4PHASE GEN

CLPH

MAIN

CONV2

CLPH

DELAY

APC

DET

ACC

VCA

CVCC

INTERFACE

SERIAL CONT

KIL

TRAP

APC

REC

DISCRI

AFC

REC

PB/REC

ID DET

KILLER

COLOR

FH SYNC

AGC

YGND

SW14

REC

SW10

APC

DET

SECAM

2FSCVCO

CR DET 2FSC

X TAL VCO/OSD

TANC

YNR

CLAMP

R P

SW9

SW11

DELAY

EDGE

DET

FBC/ALC

Y LPF

DLIM

DEMO

SUB LPF

DE EMPH

MAIN

W.C/DC

OFFSET

CARRIER

EMPH

MAIN

1M HPF

7M HPF

LAG LERD

LPF

FM MOD

SW29
SP

DET

SW30

CH2

CH1

VCA

SW31

CH2

CH1

EP1

EP2

SP1

SP2

HA VCC

HEAD SW2

LIMITTER

DET OUT

KILLER

DET

ENV

HPF

SW5

SW4

YVCC

REC ON

SW3

SW6

A.GND

SW1

EP ON

SW37

SW38

SW39

SW36

SW35

SW34

SW33

SW32

HA GND

MUTE

AVCC

SP COM

FROM/TO POWER

2.5

3.1

Summary of Contents for VX-G143

Page 1: ...only 3 hours max with T 180 tape 1 0Vp p 75 ohm unbalanced 1 0Vp p 75 ohm unbalanced 53dB nominal SCART 3 8 dBs 50K ohm RCA 3 8 dBs 50K ohm SCART 3 8 dBs less than 1K ohm 1 track mono TAPE SPEED RECO...

Page 2: ...N OUT MICON OPERATION PRINTED WIRING BOARDS OPERATION DECK OPERATION SCHEMATIC DIAGRAM DECK SCHEMATIC DIAGRAM PRINTED WIRING BOARDS SYSCON Y C AUDIO HEAD AMP SCHEMATIC DIAGRAM MICON SCHEMATIC DIAGRAM...

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 volta...

Page 4: ...pport 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 1 4 MAIN PWB Refer to Fig 1 4 1 2 3 4 5 6 Remove the screw 1 Remove the Main PWB Holder Remove the 2 screws 2 Remove the 3 screws 3 Di...

Page 5: ...ig 1 5 1 2 3 4 5 6 Remove the 2 screws 1 Remove the 4 screws 2 Remove the screw 3 Remove the Deck Shield Plate in the direction of arrow A Remove the screw 4 Remove the Shield Plate Bottom in the dire...

Page 6: ...assis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 Screw Torque 5 0 5kgf cm B2 1...

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

Page 8: ...Spring Remove the screw 1 Unlock the 2 supports 2 and remove the Cassette Opener Remove the Pinch Roller Block Pinch Roller Arm Spring Pinch Roller Lever Ass y and P5 3 Arm Ass y 1 2 3 4 1 2 2 P5 Spri...

Page 9: ...tan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam...

Page 10: ...e the Loading Gear Spring 2 When you install the Clutch Actuator install as shown in the circle of Fig 2 19 C Refer to Fig 2 19 C Fig 2 19 C Clutch Actuator NOTE Do not touch the roller of Guide Rolle...

Page 11: ...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 12: ...op Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L...

Page 13: ...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 14: ...acking to the 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 scree...

Page 15: ...d 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...

Page 16: ...lly 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 alcoh...

Page 17: ...21 Table 1 3 4 5 6 7 8 The unit will now have the correct DATA for the new MEMORY IC 1 2 Fig 1 ADDRESS is now selected and should blink Using the PLAY or STOP button on the remote step through the ADD...

Page 18: ...ent JG153 X Value Adjustment JG022 JG024A Reel Disk Height Adjustment Used to connect the Syscon PWB and CRT PWB JG162Y JG162A JG162F Used to connect the Syscon PWB and Main PWB Used to connect the te...

Page 19: ...PWB with the cable JG162A and JG162F Connect the Syscon PWB to the CRT PWB with the cable JG162Y Remove the Operation PWB from the set then connect it with the Syscon PWB If necessary connect CP351 Fr...

Page 20: ...on Main PWB 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 carefu...

Page 21: ...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 22: ...ght Adjustment Jig JG024A A Cut Position Fig 1 2 B B Tension Adjust 1 3 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK Load a video tape E 180 recorded in standard speed mode...

Page 23: ...is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment...

Page 24: ...tle distortion is appeared then adjust the a 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 ADJUS...

Page 25: ...NTS 3 MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Br...

Page 26: ...indicator REC disappears adjustment is completed If the above adjustments doesn t work well 5 6 7 Press the VOL DOWN button on the set and the channel button 3 on the remote control simultaneously un...

Page 27: ...ss the channel button 1 on the remote control to select H PHASE Press the PLAY or STOP button on the remote control until the right and left screen size of the vertical line becomes the same 1 H PHASE...

Page 28: ...NGE VARIABLE knob of the oscilloscope until the range between white 100 and 0 is set to 4 scales on the screen of the oscilloscope Press the PLAY or STOP button on the remote control until the red col...

Page 29: ...the display Press the channel button 2 on the remote control to select H BLK Switch the R L by using the ENTER button on the remote control and check if the H BLK step No becomes R2 L4 2 19 V S CORRE...

Page 30: ...D2 5 ELECTRICAL ADJUSTMENTS TU601 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION TP4002 TP4001 CP603 J4501 SYSCON PWB IC601 TP1001 C1003 TP4501 L608 TU601 11 pin...

Page 31: ...D2 6 ELECTRICAL ADJUSTMENTS TV SECTION MAIN PWB FB401 FOCUS VOLUME SCREEN VOLUME CRT PWB TP801 T501 J801 TP401 VR502...

Page 32: ...erforming adjustments in section 4 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity m...

Page 33: ...ary of T501 dimensions or not No Yes Voltage 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...

Page 34: ...e D1008 Is there 10MHz OSC for IC1006 78th pin and 80th pin or not Investigate X1001 Is there 130V in the 2nd pin of FB401 Is the 5V for IC601 8th pin or not Investigate Q1010 and IC1005 Investigate I...

Page 35: ...Whether does a signal come to IC601 1st pin or not Investigate IC601 peripheral circuit Investigate IC4001 11th pin Yes Yes No No Is the voltage of IC352 1st pin DC 8 3V or not Investigate R517 D505 a...

Page 36: ...r doesn t adhere to it Whether is wave form of IC601 38th pin normal or not Yes Yes Investigate X601 Investigate CRT PWB and a peripheral circuit Whether is wave form of IC601 19th pin 20th pin and 21...

Page 37: ...3rd pin Whether is a luminance signal early in IC602 42th pin or not Investigate IC601 Yes No Whether is a luminance signal early in IC4001 52th pin or not Investigate IC4001 Yes Yes R G B signal out...

Page 38: ...not Investigate IC601 OSD screen doesn t appear Investigate the circuit of IC601 from IC1006 Is the voltage DC 25V for IC401 6th pin or not Is the voltage DC 25V for IC401 2nd pin or not The wave for...

Page 39: ...nsert a cassette and push PLAY button No Yes No Yes Does Playback change to Stop about 6 seconds later Check IC1006 Check TAPE LOADING CAPSTAN DD UNIT and CYLINDER UNIT Check REEL SENSOR and CAPSTAN B...

Page 40: ...gnal at pin 78 or 79 of IC4001 Yes No No Is there VIDEO signal at pin 52 of IC4001 Check IC4001 and the connection of the CYLINDER Check C4035 W905 and the peripheral circuit Is there CHROMA signal at...

Page 41: ...es Check R4040 Q4006 and peripheral circuit No Yes No Is there voltage at pin 61 of IC4001 Yes Check TV Block Check IC4001 Does CHROMA signal appear at pin 52 of IC4001 Does CHROMA signal appear at pi...

Page 42: ...o Yes Yes No No Yes Replace IC4001 Check pin 52 of IC4001 and peripheral circuit Is there CHROMA signal at pin 55 of IC4001 200mVp p Replace CYLINDER UNIT Is VIDEO waveform at pin 52 of IC4001 1Vp p a...

Page 43: ...HOOTING GUIDE E 11 NO COLOR DURING SELF RECORDING AND PLAYBACK Yes No Check J4501 J701 and VIDEO input circuit Does VCR signal appear at pin 31 or 30 or 28 of IC4001 Refer to section NO COLOR DURING P...

Page 44: ...No No Yes Does Audio signal appear at pin 51 of IC601 NO NORMAL AUDIO IN PLAYBACK MODE Does Audio appear at pin 11 of IC4001 Check L4001 Q4007 and peripheral circuit Check AUDIO HEAD for debris of sta...

Page 45: ...8 of CP1004 5V No No Yes In playback is the voltage at pin 4 of CP1004 2 5V In playback check the voltage at pin 3 of CP1004 is 2V or at pin 83 of IC1006 is normal In playback is the voltage at pin 5...

Page 46: ...peripheral circuit No Yes Check POWER BLOCK Yes No Is there AUDIO signal at pins 7 or 8 or 9 of IC4001 AUDIO CAN NOT BE RECORDED Is there BIAS at pin 4 of IC4001 Check the circuit of 21 PIN and TUNER...

Page 47: ...E 15 CASSETTE IN AND DOWN BUT UNIT HAS NO FUNCTIONS No Yes Does mode indicator appear in Display Check LOADING MOTOR and the peripheral parts Does VCR operate with the remote control Yes No Check IC1...

Page 48: ...DEO input jack to IC4001 and from Tuner Pack to IC4001 Yes No Does FM signal appear at pin 2 or 4 of CP4001 Does video signal appear at pin 28 or 30 or 31 of IC4001 Does FM signal appear at pin 86 or...

Page 49: ...E E 17 NO E E NO VIDEO AND AUDIO FROM TUNER Yes No Yes Check Power PWB Is the voltage at pin 7 of TU601 5V Yes No Check IC601 Is the voltage at pin 9 of TU601 30V No Is there waveform at pins 4 and 5...

Page 50: ...voltage at pin 2 of CP1005 about DC12V Check IC1006 Check P CON 12V line and POWER BLOCK Yes No No Yes In playback is the voltage at pin 5 of CP1005 about DC1 2V CYLINDER NOT ROTATING DURING PLAYBACK...

Page 51: ...AUDIO HEAD scratched Replace AUDIO HEAD Replace CAPSTAN DD MOTOR Check peripheral components of IC1006 No Yes Yes No No Yes Does pin 9 of IC1006 output a 3 0Vp p square wave In playback is the voltage...

Page 52: ...LOADING BLOCK activate Check WORM GEAR of CASSETTE LOADING BLOCK Check EOT BOT PHOTO SENSOR pins 26 and 25 of IC1006 When a cassette is inserted is the voltage between pins 3 and 4 of CP1006 Replace L...

Page 53: ...e EOT PHOTO TRANSISTORS Check R1056 circuit Does this same problem appear when using another cassette tape When inserting a cassette does Emitter of EOT return to LOW Defective CASSETTE or CASSETTE LO...

Page 54: ...No Check pin 71 of IC1006 lines Replace IC1006 No Yes Check pin 7 of CP1004 and peripheral circuit When the FF REW is pushed does the PULSE appear at pin 71 of IC1006 Is the voltage change at pin 7 of...

Page 55: ...o Yes Check Power circuit Replace CYLINDER UNIT No No Yes Yes Replace IC1006 Yes No Check REEL SENSOR Does TP4001 feed HEAD SWITCHING PULSE signal 30Hz Is the voltage at pin 2 of CP1005 AT 12V Does PG...

Page 56: ...oise appear in the picture No No Yes By adjusting the manual tracking UP DOWN buttons will the noise disappear in the picture Check P B ENVELOPE No Yes Are GUIDE POSTS the right height Adjust GUIDE PO...

Page 57: ...ONTALLY AUTO TRACKING DOES NOT OPERATE By manual tracking does the DC level at pin 24 of IC1006 change Yes No In auto tracking is the voltage at pin 24 of IC1006 more than DC0 7V Yes No Replace IC1006...

Page 58: ...MOTOR rotate Refer to section CAPSTAN DD MOTOR NOT ROTATING Is CAPSTAN BELT normal Yes No Replace CAPSTAN BELT Yes No Does REEL SENSOR PULSE signal appear a t pin 69 of IC1006 Check Reel Sensor of Q10...

Page 59: ...IC1006 Yes No Replace CYLINDER MOTOR Replace CYLINDER MOTOR Does pin 104 of IC1006 output a 5Vp p square wave In playback is the voltage at pin 5 of CP1005 about 1 2V PLAYBACK PICTURE SHAKES Is FG Pu...

Page 60: ...ed 18 OSDVCC OSDVCC AT 5 V 19 CVOUT CVOUT OUT Not used 20 OSDVSS OSDVSS Ground 21 4 2FSCOUT 4 2FSCOUT OUT Not used 22 4 2FSCIN 4 2FSCIN IN 2 FSC pulse 23 AVSS AVSS Ground 24 ANB VIDEO_ENV IN Input ter...

Page 61: ...Output signal of SECAM or NOT 63 SCK1 AFC OFF H OUT Output terminal of CHROMA AFC cut or NOT 64 SO1 SO1 OUT output terminal of FZTAT signal 65 SI1 SI1 IN input terminal of FZTAT signal 66 P47 T TEXT H...

Page 62: ...ack or NOT 98 P82 DA RGB SW OUT Output signal to cut of RGB sync 99 C ROT R OUT Output signal for OSD R 100 H AMP SW G OUT Output signal for OSD G 101 COMP B OUT Output signal for OSD B 102 P85 CYL_SP...

Page 63: ...ERVO TIMING CHART IC1006 OEC0093B F2 1 CH 1 CH 2 DPG 103 PIN DFG 104 PIN H SW P 105 PIN V SYNC E E 15 PIN REC CTL REC 7 PIN V SYNC TRICK PB 109 PIN WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED 24 Cycle...

Page 64: ...MECHANICAL MOVEMENT NO CAPSTAN ROTATING R SLOW LIGHT GUARD LIGHT RECEIVING EOT BOT MSSEN A MSSEN B LOADING ARM PINCH ROLLER LIGHT RECEIVING LIGHT GUARD LIGHT RECEIVING LIGHT GUARD LIGHT GUARD L T BRAK...

Page 65: ...T 77 1N4005E 6580 G23 EG01Z V0 SB10 03A3 RD12FB T7 RMPG06J G3 RU2YX V1 RU2AM V1 I C 54PIN 100PIN 8PIN 3PIN 3PIN 9PIN LA76812 HA118217F S 24C08ADPA 01 RE5VS31A KIA7805API AN7523 112PIN KIA7809API OEC00...

Page 66: ...114TSTP 2SC2412KT146 R S 2SC1815Y TPE2 DTC114ESTP DTA124EKAT146 2SC2271 D E AE DTC114EKAT146 2SC2909 S T AA DTC114EKT147 2SC3000 AA DTC114TKAT146 2SC3331 S T U A DTC124EKAT146 2SC945 C T P Q 2SD734 E...

Page 67: ...08 3 PUMP UP THERMAL PROTECTION 5 SYNC T TEXT 7 13 ABL MICON OPERATION PLL P2C Q806 BLUE AMP Q805 Q804 GREEN AMP RED AMP B_OUT G_OUT R_OUT 3 H 1 Q601 AMP VIF AC IN D501 RECTIFIER F501 8 13 4 17 T501 1...

Page 68: ...MAIN EMPH CARRIER OFFSET W C DC F0 DEV ADJ S DET Q4006 BUFFER 88 87 89 86 H AMP 8 7 REC MUTE LINE MUTE ENV DET J4501 2 1 6 3 8 20 19 Q4507 PERI SW Q4509 AMP Q4505 MUTE SW L4001 TRAP Q4007 AMP Q4501 Q4...

Page 69: ...S 24C08ADPA 01 POWER_FAIL DC SCL HD CTL VV H CTL V REC_ST_H SDA VD G OUT B OUT R OUT TV Q1014 TV POWER SW TV_POWER_H 89 VCR_MUTE VCR_A_MUTE 105 VIDEO H SW H SW 91 TUNER_MUTE TU_AUDIO_MUTE_H 43 REMOCON...

Page 70: ...C751 R793 R762 R780 R777 R776 R759 R760 R766 C752 R763 R754 R761 R350 C351 W807 W804 W002 W003 R351 B702 B701 W812 C353 C354 W004 C702 W811 C356 C355 CD351_2 C755 CD750_2 R771 W806 L703 W814 W813 PRI...

Page 71: ...1 4W D793 EQ 552 F1T REC OTR D791 EQ 552 F1T T REC D797 EQ 552 F1T ON TIMER LED C755 220 6 3V KA H E H E J701_1 JPJ3811 01 430 1 2 3 4 J351 HTJ 035 28A 1 2 3 4 5 6 7 OF PRINTING AND SUBJECT TO CHANGE...

Page 72: ...FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE...

Page 73: ...16 C1040 R1030 R1026 C1035 R1021 C1038 C1027 R1007 C1010 R1017 R1020 C1022 Q1004 C1012 C1015 R1027 C1019 C1018 R1022 Q1006 C1072 C1071 C1073 R4057 Q1014 R1039 Q1021 C1057 R4012 R4013 Q4003 Q4201 R1041...

Page 74: ...D1016 D1012 W194 W192 W198 W156 W155 W160 W241 W158 W161 W199 W200 W857 W822 W825 W134 W062 W828 CP757_1 W245 W233 W112 W132 W152 W114 W105 W113 W106 W118 W072 W119 W815 W074 W162 W075 W076 W110 W025...

Page 75: ...9 R674 R673 R4041 CP603 J4501 HS351 IC352 R4040 C4080 R605 W174 X4001 Q1017 CP502 W292 CD810 IC1003 W291 R1068 R1073 R1085 C1037 R1036 IC1004 C1045_1 W287 D1019 C1036 R658 W310 W294 W250 W251 W295 W24...

Page 76: ...06Z14 1 2 3 4 5 6 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D4003 RB721Q L4001 2623003 15 6KHz TRAP 1 2 3 4 6 RECORD LUMINANCE SIGNAL RECOR...

Page 77: ...KA C1001 100 16V KA C1003 0 1F 5 5V C1021 33 16V KA CP1006 IMSA 9604S 04Z14 1 2 3 4 L1001 12uH X1002 32 768KHz X1001 10MHz OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM...

Page 78: ...9 220 1 4W R1068 1K 1 4W R1073 820 1 4W R1085 100 1 4W C1034 0 1 B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D1024 1SS133 D1019 11EQS04N D1...

Page 79: ...18 B C4511 470P CH C4516 470PCH C4515 470PCH C4502_1 1 B C4522 10 16V KA C4508 1 50V KA L4504 10uH L4503 10uH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST...

Page 80: ...C602 0 01 B C604 0 01 B C637 0 1 B C657 0 1 B C680 1 B C610_1 1 B C676_1 220P CH C639_1 10 16V KA C658 100 6 3V KA C651 10 16V KA C667 0 1 50V KA C645 1 50V KA C605 2 2 50V KA C656 220 10V YK C611 10...

Page 81: ...NOTE THE DC VOLTAGE AT EACH PART WAS W875 W910 W846 W878 W829 W830 W819 Q351 2SC2412K A_MUTE SW Q353 2SC2412K A_MUTE SW C351_1 22 16V KA C354 1000 16V YK C359_2 220 16V YK C352 22 16V KA C357 1000 25V...

Page 82: ...C VOLTAGE AT EACH PART WAS W893 W854 W815 C881 3 3 50V KA C883 3 3 50V KA C882 3 3 50V KA OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D852 1S...

Page 83: ...07 R529 D526 Q503 C520 W013 R518 R520 R519 Q505 R516 D523 L402 C450_1 W031 W030 R407 R421 R411 W037 W814 R420 R425 W028 R412 W027 C429_1 C404 W029 W818 R504 R448 W007 T501_1 J801_1 TP801 TP803 R807 R8...

Page 84: ...1 2 3 4 S102 S101 IC501_1 STR F6707 POWER REG 1 2 3 4 5 HS501 763WAA0174 R528 0 33 1W R517 0 22 2W R542 0 33 1W R505 33K 3W R512 22K 1W R501 2 2 7W CP502 TV 50P 02 A1 1 2 F501 T4A_L_250V 218004 F502 T...

Page 85: ...0V B C421 1000 35V MHE C418 1 160V MHE 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...

Page 86: ...B 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 CAUT...

Page 87: ...ND B DEGAUSS H H PULSE ACL V OUT P CON 5V GND H OUT SOUND GND SOUND B PWB340 SCREEN FOCUS GND UNREG 8V AT 13V AT 30V UNREG 8V MOTOR GND GND AT 12V GND UNREG 8V AT 13V AT 30V UNREG 8V MOTOR GND GND AT...

Page 88: ...N 0 5V 10 s div 17 POWER ON 50mV 1ms div 4 200mV 50 s div 9 20V 10ms div 5 2V 20 s div 6 20V 20 s div The following waveforms were measured at the point of the corresponding balloon number in the sche...

Page 89: ...ON 5mV 1ms div CHROMA IF 34 POWER ON 5mV 1ms div 35 POWER ON 0 5V 20 s div 36 POWER ON 0 5V 20 s div 37 POWER ON 0 5V 20 s div 38 POWER ON 0 5V 10ms div 39 POWER ON 200mV 50 s div 40 POWER ON 2V 50 s...

Page 90: ...203 203 201 138 130 130 142 142 140 141 128 145 123 116 208 208 118 127 B 147 SP351 208 PWB030 OPERATION PWB 119 208 120 117 126 124 104 125 208 147 SP352 208 208 150 101 146 217 149 PWB340 POWER SW P...

Page 91: ...AL EXPLODED VIEW K1 2 A 133 206 206 207 134 212 204 204 204 B 135 131 215 111 216 115 216 115 151 PWB010 SYSCON PWB 202 202 122 J4501 103 121 137 TU601 102 112 210 106 206 205 143 205 105 107 115 205...

Page 92: ...0 SCREW TAP TITE B 3 10 7 119 S1 3WP A01 110 GLASS LED 1 206 S1 106 30A 240 SCREW TAP P 3 12 6 207 S1 076 308 040 SCREW TAP 1 120 S1 3WP A01 100 GUIDE REMOCON 1 208 S1 106 30A 040 UIT 3 10 23 121 SHIE...

Page 93: ...002 511 509 329 330 502 502 PWB550 DECK PWB ASS Y 303 AA AB AB AB AB AA AB AB AA AA AB AB AB AB BA AA 352 503 503 367 501 356 317 369 309 355 Applying positions AA AB AC AD and BA for the grease or oi...

Page 94: ...4 AA AA AA AB AB AA AA AA AA AA AC AA 307 354 326 327 322 513 350 308 337 AA 325 AB AA AB NOTE Applying positions AA AB AC AD and BA for the grease or oil are displayed for this section Check if the c...

Page 95: ...RAKE T ASSY S 1 503 87 743 073 010 VT2 2 6 6 3 322 S5 OA6 001 910 CAP BRAKE ASS Y S 1 504 87 743 073 410 SCREW TAP 2 6 6 3 323 S5 OA9 002 130 LINK ASS Y 1 505 S1 0A1 268 040 SCREW WASHER A M2 6 8 1 32...

Page 96: ...DE 1N4005E G23 C659 87 010 400 080 CAP E 0 47 50V D1002 87 020 465 010 DIODE 1SS133T C667 87 010 067 010 CAP E 0 1 50V D1003 S0 106 000 600 LED SID1050CM C669 87 015 075 040 CAP E 10 16V D1004 S2 LXE...

Page 97: ...3T0 333 100 TR 2SC3331 S T U A CF601 S0 22V 39R 520 FILTER SAW SAF39 5MZL220ZL Q4005 SC 3T0 333 100 TR 2SC3331 S T U A CF602 S0 12T 041 010 CER FLTR MKT41 5MA110 Q4006 89 110 372 080 TR 2SA1037AK Q400...

Page 98: ...80 ZENER MTZJ33B T77 MAIN PWB ASS Y D516 87 020 465 010 DIODE 1SS133T D517 87 A40 172 080 DIODE EG01Z V0 RESISTORS D518 S2 BT0 EG0 1Z0 DIODE EG01Z V0 D519 S2 8T2 1DQ N90 DIODE 21DQ09N TA2B R411 87 022...

Page 99: ...CORD AC 1206635823 FUSES OTHERS CP803A S6 7R1 050 190 HOLDER WIRE 51052 0500 CD502 S6 CPU 201 2A0 CORD CONN CPU2012A F501 S8 0PT 040 020 FUSE 4A 250V T F502 S8 08T 1R6 020 FUSE AND OTHERS FH501 S6 710...

Page 100: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111 737004 Printed in Singapore...

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