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Aiwa VX-G143K, Service Manual

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Aiwa VX-G143K Service Manual Download Page 73

D

C640

C615

C624

C654

C649

C650

R646

R636

R644

C641

R613

C609

C653

C608

C602

R607

R609

R610

C606

R653

R648

C647

C646

C661

R647

R649

R651

C648

C607

C627

R634

R639

R631

R630

R1065

C644

R4502

R4514

R1087

R1058

R1047

R1046

R1021

Q1002

IC1006

C1019

C1018

R1022

R1027

C1022

C1027

C1015

R1017

R1020

R1007

R1014

R1012

R1034

R1031

C1024

C1025

C1026

C1028

R1064

R1067

R1048

R1040

R1051

R1049

C1014

C1017

C1030

R1011

C1005

R1044

R1045

IC1003

C1008

C1007

C1041

C1010

R4522

Q4507

C4505

R663

C4502

R1042

R1041

Q4201

Q1006

C4068

C4086

C4070

C4060

C4013

C4077

C4062

C4058

C4056

C4052

C4053

C4004

C4002

R4032

R4035 R4033

R4031

R4003

R4001

R4011

C4010

R4021

C4043

C4047

C4037

C4006

C4007

C4005

C4032

R4017

R4005

R4004

R4002

R4016

R4015

R4014

C4026

C4023

C4027

C4020

C4028

C4019

C4016

C4018

C4014

R4022

R4026

C4048

C4044

C4035

C4046

C4075

R4034

C4061

C4054

C4059

C4072

R4042

C4063

C4067

C4076

C4094

C4083

C4082

IC4001

R1037

R1038

Q1012

Q1010 Q1008

C604

C637

R357

Q4003

R4013

R4012

C657

R1078

R1084

R1081

R1062

C1053

R1063

Q1015

Q1016

C1055

R1013

R1059

C1035

C1038

R1032

Q4509

C643

R655

R4201

R1033

C1006

R4512

C633

Q1020

R1061

R622

R4030

R4029

C4079

C4045

R4025

R1010

C1066

C1057

R1074

R1069

C1034

R642

R638

C655

R608

R661

C4089

C1002

C1054

Q1021

R1039

R1035

R1088

C4097

C4098

R4049

R4050

C4099

R4533

R4537

R4540

Q4510

Q4511

R618

R616

R633

R664

R632

Q1014

R1090

R1072

R4508

R4525

Q4502

R4505

Q4501

R4506

R4523

R4516

R4521

R4518

R4515

R4524

R1092

C1048

C1049

C1050

C4101

C4100

R4051

W879

C668

R4054

R4055

R4052

R665

R668

C1047

R4056

R4057

C1009

C4503

R4532

R1077

R4538

R4520

C356_1

C4106

C4034

C4107

Q4007

R4053

R1015

C1058

R1060

R1001

R1066

C1060

C1061

C1062

C4201

Q4006

R1080

C4203

C1069

R1085

C4204

C1074

C1073

C1071

C1072

B1001

W925

C680

C685

W283

W284

R4073

R4519

B4502

R4501

C4511

C4515

C4516

B4501

W282

W285

Q352 

R680

R4517

C621

R4018

R1096

C360_1

W302

Q353

C361

R4541

L610

Q4512

R4542

W307

W803

C1063_1

W926

W898

W876

W871

W868

W911

W920

C1044_1

R1093_1

W891

W863

W892

Q4505_1

W860

W885

W900

W919

W809

C610_1

W874

W924

C623_1

W820

W821

W823

W883

W886

W884

C4033

S801Y

S801X

S821X

S821Y

PRINTED CIRCUIT BOARDS

SYSCON

I-4

1

29

57

85

1

31

51

81

Summary of Contents for VX-G143K

Page 1: ...C playback SP only 33 35 mm sec PAL SP 4 hours 20 minutes max with E 260 tape LP 8 hours 40 minutes max with E 260 tape NTSC playback SP only 3 hours max with T 180 tape 1 0Vp p 75 ohm unbalanced 1 0V...

Page 2: ...OUT MICON OPERATION 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...

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: ...ck the support 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 1 4 MAIN PCB Refer to Fig 1 4 1 2 3 4 5 6 Remove the screw 1 Remove the Main PCB Holder Remove the 2 screws 2 Remove the 3 sc...

Page 5: ...o Fig 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 d...

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 Chass...

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 A...

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...

Page 9: ...NIT 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...

Page 10: ...ver 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 Ar...

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: ...atisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input Enter DATA SET mode by setting VOLUME to minimum While holding down VOLUME button on front cabinet pre...

Page 18: ...ent JG153 X Value Adjustment JG022 JG024A Reel Disk Height Adjustment Used to connect the Syscon PCB and CRT PCB JG162Y JG162C JG162D Used to connect the Syscon PCB and Main PCB Used to connect the te...

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 CP351 Front A...

Page 20: ...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 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: ...ack 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 an...

Page 23: ...pring 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 ru...

Page 24: ...istortion 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...

Page 25: ...RTS 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 Contro...

Page 26: ...ppears 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 until the indicator R...

Page 27: ...H PHASE Press the PLAY or STOP button on the remote control until the vertical line becomes fit to the notch of the shadow mask 1 H PHASE 2 H BLK 3 V SIZE 50 60 4 V POSI 50 60 5 V LIN 50 60 6 V SC 50...

Page 28: ...ANGE 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 co...

Page 29: ...ONTRAST 1 2 3 4 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 4 on the remote control to sele...

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

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

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: ...tage 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 i...

Page 34: ...0MHz OSC for IC1006 67th pin and 68th pin or not Investigate X1001 Is there 135V in the emitter of Q503 Is the 5V for IC602 48th pin or not Investigate Q1006 and Q1019 Investigate IC602 Is there a hea...

Page 35: ...to IC701 1st pin or not Investigate IC701 peripheral circui Does a signal change at a volume upgrade knock down or not Is the voltage of IC352 1st pin DC 8 3V or not Investigate ICP505 D505 and D509...

Page 36: ...14th pin normal or not Yes Yes Investigate X604 No Whether is wave form of IC851 3rd pin normal or not Yes Investigate Q804 Q805 Q806 and a peripheral circuit Whether is wave form of IC602 10th pin 1...

Page 37: ...5V line Whether is a luminance signal early in IC602 34th pin or not Investigate IC602 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: ...e wave form of the 21st pin and the 22nd pin of IC1006 is investigated Q1014 and also Q1015 are investigated The wave form of the 10th pin 11th pin and 12th pin of IC602 normal Investigate the circuit...

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 38 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 PCB 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 8 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 17 and 18 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 R1026 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 72 of IC1006 lines Replace IC1006 No Yes Check pin 7 of CP1004 and peripheal circuit When the FF REW is pushed does the PULSE appear at pin 72 of IC1006 Is the voltage change at pin 7 of...

Page 55: ...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 UNREG 12V Does P...

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 19 of IC1006 change Yes No In auto tracking is the voltage at pin 19 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 at pin 32 of IC1006 Check Reel Sensor of Q100...

Page 59: ...IC1006 Yes No Replace CYLINDER MOTOR Replace CYLINDER MOTOR Does pin 108 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: ...Auto setup 22 ANB MESECAM H IN Input terminal of MESECAM or NOT 23 AVSS AVSS Ground 24 P50 FF REW L OUT Not used 25 P51 LDM_RVS OUT Output signal to control the rotation direction of the loading motor...

Page 61: ...AT 5 V 64 X2 X2 OUT Subclock pluse 32 768KHz 65 X1 X1 IN Subclock pluse 32 768KHz 66 RES RES IN RESET will be done when the voltage goes to HIGH after the restart signal 67 OSC1 OSC1 IN Connect the m...

Page 62: ...utput terminal control for T REC LED voltage drive 97 P87 REC LED OUT Output terminal control for REC LED voltage drive 98 C SYNC C SYNC IN Input terminal for composite C SYNC 99 AUDIO FF Hi Fi_H SW O...

Page 63: ...CHART IC1006 OEC0078C F2 1 CH 2 CH 1 REC CTL REC 6 PIN V SYNC TRICK PB 110 PIN DPG 107 PIN DFG 108 PIN H SW P 100 PIN WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED V SYNC E E 98 PIN 23 0 1 2 11 13 12 2...

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 LIGH...

Page 65: ...23 RMPG06J G3 MTZJ6 8B T 77 GP15M G23 RU2AM V1 RB721QT 77 RD12FB T7 SB10 03A3 RU2YX V1 IC 54PIN 100PIN 8PIN 24PIN 3PIN 7PIN LA76812 HA118217F S 24C08ADPA 01 LC74772V RE5VS31A LA7840 112PIN OEC0078C 3P...

Page 66: ...2KT146 R S 2SB892 S T AE DTC114TSTP DTC114EKT147 2SC1815Y TPE2 2SC2271 D E AE 2SC2274 AA 2SC2909 S T AA 2SC3000 AA 2SC945 C T P Q 2SD734 E F AA GP1S94L 2SD2599 DTA114EKAT146 DTC114ESTP GP1S566 DTA124E...

Page 67: ...2 11 BUS MICON OPERATION 49 48 6 1 4 3 L608 3 PUMP UP THERMAL PROTECTION 2 4 13 ABL MICON OPERATION PLL P2C Q607 CUT OFF TEXT_Y Q806 BLUE AMP Q805 Q804 GREEN AMP RED AMP B_OUT G_OUT R_OUT 7 H 1 Q601 A...

Page 68: ...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 7 11 16 15 20 19 Q4507 PERI SW Q4509 AMP Q4505 MUTE SW L4001 TRAP Q4007 AMP Q4501 Q4502 BU...

Page 69: ..._ST_H SDA TEXT_Y VD G OUT B OUT R OUT TV Q1014 TV POWER SW TV_POWER_H 85 VCR_MUTE VCR_A_MUTE 100 VIDEO H SW H SW 83 TUNER_MUTE TU_AUDIO_MUTE_H 60 REMOCON 3 2 1 OS753 AT 5V D793 D791 D792 P CON 5V_B PO...

Page 70: ...J701_1 W002 C781 R773 R774 C779 R772 R771 C751 R778 R793 R762 R780 R777 R776 R775 R766 C755 C752 R763 R754 R761 R350 W807 W804 W003 W001 R351 B701 W812 W809 C353 C354 W004 W811 CD351_2 CD750_2 W813 W...

Page 71: ...J2630 010070 1 2 3 4 5 6 7 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 TH...

Page 72: ...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 THIS SCHEMATIC DIAGRAM IS THE LATEST AT T...

Page 73: ...7 R1078 R1084 R1081 R1062 C1053 R1063 Q1015 Q1016 C1055 R1013 R1059 C1035 C1038 R1032 Q4509 C643 R655 R4201 R1033 C1006 R4512 C633 Q1020 R1061 R622 R4030 R4029 C4079 C4045 R4025 R1010 C1066 C1057 R107...

Page 74: ...W086 W088 W030 W029 W028 W252 W867 Q1011 R1036 W166 W170 R615 W167 W173 W168 D4002 W054 W182 W144 W211 W111 W829 W830 C667 X601 X4001 W036 W032 W027 W033 W151 C1042 W169 D1005 D4506 D4507 L4504 D4502...

Page 75: ...W053 R1083 R1050 R1079 R1019 W072 C1040 R1016 W007 W008 IC1099 C1021 C1003 D1002 W016 W004 W003 IC1002 W074 W011 W010 R353 C355_1 R351 L1001 L608 IC601 D4503 W020 W021 C1029 W176 W174 CP757 IC1001 R1...

Page 76: ...YBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS D4001 MTZJ6 8B D4002 MTZJ6 8B Q4003 DTA124EKA V REC ST SW L4005 1626008 COIL BIAS OSC 1 2 3 4 5 6 CAUTION DIGITAL TRANSISTOR...

Page 77: ...1021 2SC2412K VCR POWER SW W824 W828 W894 W806 W936 W937 W891 W898 W920 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS D1005 RD12FB D1008 MTZJ5 6B Q352 DTA124EKA...

Page 78: ...622 680K R636 1K R661 330 R680 1 5K R656 10K 1 4W R646 100K R653 100 R648 100 R638 120K R641 1K 1 4W R673 220 1 4W R674 2201 4W R616 10K C642 3 3 50V KA C652 1 50V KA C635 10 16V KA C626 0 47 50V KA C...

Page 79: ...412K W885 W843 W860 W907 W867 W857 W818 W859 W892 W919 W863 W855 W931 W900 W927 Q4502 2SA1037AK BUFFER L4502 100uH L4501 100uH DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT E...

Page 80: ...812 Q1019 2SB892 P CON 5V DRIVER DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS Q1010 DTA114EKA DRIVER CAUTION DIGITAL TRANSISTOR CAP_VCO AT 12V P CON 5V MOTOR_G...

Page 81: ...AL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP302_1 B2B EH A 1 2 C361 0 001 B...

Page 82: ...ITION AND PICTURE IS NORMAL NOTE D852 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C882 3 3 50V KA C883 3 3 50V KA C881 3 3 50V KA W821...

Page 83: ...2 W015 CP401 Q502 W031 C423 R503 R506 D518 RY501 R553 Q503 CP803A HS503 HS501 W010 W045 Q805 R801 C801 J 8 0 1 CP801 T P 8 0 2 R 8 0 5 R815 R812 W041 Q804 C820 R808 T P 8 0 1 R 80 2 T P 8 0 3 R 8 1 0...

Page 84: ...432 0 47 100V TF C450 120P 2KV BP C430_1 0 001 500V B C409 0 0022 M C416 22P 500V SL C417 560P 500V B C418_1 1 160V MHE C421_1 1000 35V MHE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS S...

Page 85: ...3 IC505 KIA7806PI 6V POWER REG IC 1 2 3 IC502 NJM7805FD 5V REG IC 1 2 3 CAUTION DIGITAL TRANSISTOR IC501 STR F6707 POWER REG IC 1 2 3 4 5 HS503 763WAE0108 HS502 763WAA0046 HS505 763WAA0046 HS501 763W...

Page 86: ...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 NO...

Page 87: ...CON 9V MOTOR GND AUDIO OUT J801 CRT SOCKET 10 4 3 1 7 5 6 9 8 VIDEO IN GND GND GND R G B SW RED GND NC NC GND GREEN GND AUDIO IN AUDIO IN BLUE GND GND PERI CTL TUNER VIDEO OUT TUNER AUDIO OUT TUNER AU...

Page 88: ...16 POWER ON 200mV 10 s div 17 POWER ON 50mV 1ms div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 19 REC 0 5V 5 s div 20 REC 10V...

Page 89: ...OWER 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...

Page 90: ...2 209 218 110 214 114 113 205 108 209 112 107 136 A 112 209 215 115 217 110 206 201 129 203 203 201 138 130 130 142 143 142 143 140 141 128 145 123 116 208 208 118 127 B 147 148 SP351 208 PCB030 OPERA...

Page 91: ...MECHANICAL EXPLODED VIEW K1 2 A 133 206 206 207 134 212 PCB010 SYSCON PCB 202 210 202 122 J4501 103 106 206 121 137 TU601 204 204 204 B 135 131 220 111 216 144 144 216 102 105 220...

Page 92: ...SS LED 1 207 S1 072 308 040 UT2 3 8 1 208 S1 106 30A 040 UIT 3 10 22 120 S1 3WP A01 100 GUIDE REMOCON 1 209 S1 0A1 30A 040 SCREW WASHER A M3 10 4 121 SHIELD COVER 1 122 SHILED CASE 1 210 87 741 095 41...

Page 93: ...or 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 35...

Page 94: ...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 gr...

Page 95: ...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...

Page 96: ...23 C659 87 010 400 080 CAP E 0 47 50V D1002 87 020 465 010 DIODE 1SS133T C663 87 010 112 080 CAP E 100 16V D1003 S0 106 000 600 LED SID1050CM C667 87 010 067 010 CAP E 0 1 50V D1004 S2 LXE 658 000 DIO...

Page 97: ...E Q1020 87 026 287 080 TR DTC143EKAT146 CP1004 S6 972 805 900 CONN PWB SIDE TMC J08P B1 Q1021 89 324 122 080 TR 2SC2412KT CP1005 S6 9R7 500 280 CONN PWB SIDE 52045 0545 Q4001 SD 3T0 073 400 TR 2SD734...

Page 98: ...W796 S5 042 01T 310 SW TACT SKHVBED010 C520 87 001 271 080 CAP E 1000 16V SW797 S5 042 01T 310 SW TACT SKHVBED010 C521 S5 3J0 B22 1M0 CAP E 220 160V SW798 S5 042 01T 310 SW TACT SKHVBED010 C523 S5 EZT...

Page 99: ...CAP CER 0 0022 2KV Q504 89 318 154 080 TR 2SC1815Y C820 S0 ELT D4R 7M0 CAP E 4 7 250V Q506 87 026 464 080 TR DTC114TS Q507 89 309 458 010 TR 2SC945 C TRANSISTORS Q513 SN YTB 030 010 TR DTC114E Q804 SC...

Page 100: ...ORE FERRITE HF57T18 5 10 10 L503 S2 8F1 400 180 COIL DEGAUSS 8F140018 TRANSFORMER FB401 S4 321 402 9F0 TRANS FLYBACK 3214029F OTHERS CD354 S6 CH1 243 4A0 CORD CONN CH12434A SP351 S7 0C5 330 080 SPEAKE...

Page 101: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 737004 Printed in Singapore...

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