JVC HR-XV28SEF Service Manual Download

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3-12(No.YD068)

C216

NDC31HJ-101X C CAPACITOR

100PF 50V 5% NP0

1608 R/TP

C219

LG-

0CH1104K942

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 80%/-20%

Y5V(F) 1608

C220

LG-

0CH1104K942

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 80%/-20%

Y5V(F) 1608

C221

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C302

QET61CM-226 E CAPACITOR

22UF SRA/SS 16V 20%

FM5 TP 5

C303

LG-

0CH1122K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

1200PF 50V 10%

X7R(X) 1608 R/T

C304

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C305

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C306

LG-

0CH1102K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

1000PF 50V 10%

B(5YP) 1608 R/T

C307

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C308

LG-

0CQ2231N409

CAPACITOR/FIXED

FILM

0.022UF D 100V 5% PE

TP5

C309

LG-

0CH4271K412

CAPACITOR/FIXED

CERAMIC(HIGH D

270PF 50V 5% NP0

1608 R/TP

C310

NDC31HJ-221X C CAPACITOR

220PF 50V 5% NP0

1608 R/TP

C311

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C312

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C314

QET61CM-106Z E CAPACITOR

10M SRA 16V M FM5

TP(5)

C315

QETC1HM-225Z E CAPACITOR

2.2UF SRA/SS 50V 20%

FM5 TP 5

C316

QET61CM-106Z E CAPACITOR

10M SRA 16V M FM5

TP(5)

C317

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C318

LG-

0CE1053K638

CAPACITOR/

AL.ELECTROLYTIC

1.0M SRE/SE50V M

FM5 TP(5)

C319

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C320

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C321

LG-

0CH4680K412

CAPACITOR/FIXED

CERAMIC(HIGH D

68PF 50V 5% NP0 1608

R/TP

C322

LG-

0CE1063F638

CAPACITOR/

AL.ELECTROLYTIC

10M SRE/SE 16V M

FM5 TP(5)

C323

QET61CM-106Z E CAPACITOR

10M SRA 16V M FM5

TP(5)

C324

LG-

0CE4754K638

CAPACITOR/FIXED

ELECTROLYTIC

4.7UF SRA/SS 50V 20%

FM5 TP 5

C325

QET61CM-106Z E CAPACITOR

10M SRA 16V M FM5

TP(5)

C326

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C327

LG-

0CE1053K638

CAPACITOR/

AL.ELECTROLYTIC

1.0M SRE/SE50V M

FM5 TP(5)

C328

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C329

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C330

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C331

QET61CM-226 E CAPACITOR

22UF SRA/SS 16V 20%

FM5 TP 5

C333

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C334

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C335

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C336

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C337

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C338

LG-

0CH1473K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

47000PF 50V 10%

X7R(X) 1608 R/

C339

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C340

LG-

0CH1473K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

47000PF 50V 10%

X7R(X) 1608 R/

C341

LG-

0CH1223K942

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.022UF 50V 80%/-20%

Y5V(F) 16



Symbol No.

Part No.

Part Name

Description

Local

C342

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C343

LG-

0CH1473K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

47000PF 50V 10%

X7R(X) 1608 R/

C345

LG-

0CH1473K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

47000PF 50V 10%

X7R(X) 1608 R/

C346

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C347

LG-

0CE1053K638

CAPACITOR/

AL.ELECTROLYTIC

1.0M SRE/SE50V M

FM5 TP(5)

C348

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C349

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C350

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C351

NDC31HJ-221X C CAPACITOR

220PF 50V 5% NP0

1608 R/TP

C353

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C355

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C356

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C357

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C358

LG-

0CH4680K412

CAPACITOR/FIXED

CERAMIC(HIGH D

68PF 50V 5% NP0 1608

R/TP

C359

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C360

LG-

0CH1102K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

1000PF 50V 10%

B(5YP) 1608 R/T

C361

LG-

0CH1223K942

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.022UF 50V 80%/-20%

Y5V(F) 16

C362

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C363

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C366

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C367

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C368

LG-

0CH1822K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

8200PF 50V 10%

X7R(X) 1608 R/T

C370

LG-

0CH4820K412

CAPACITOR/FIXED

CERAMIC(HIGH D

82PF 50V 5% NP0 1608

R/TP

C371

LG-

0CH4820K412

CAPACITOR/FIXED

CERAMIC(HIGH D

82PF 50V 5% NP0 1608

R/TP

C372

LG-

0CH4820K412

CAPACITOR/FIXED

CERAMIC(HIGH D

82PF 50V 5% NP0 1608

R/TP

C374

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C375

LG-

0CH1104K512

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 10% B(5YP)

1608 R/TP

C376

LG-

0CH1103K512

CAPA/CHIP CERAMIC

M/L H.D F/S

0.0100UF 50V K B 1608

R/TP

C388

QET61CM-476 E CAPACITOR

47UF SRA/SS 16V 20%

FM5 TP 5

C3S1

LG-

0CH1103K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.01UF 50V 10% X7R(X)

1608 R/T

C3S2

LG-

0CH1103K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.01UF 50V 10% X7R(X)

1608 R/T

C3S3

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C3S4

QETC1HM-105Z E CAPACITOR

1.0M SRA/SS50V M

FM5 TP(5)

C3S5

LG-

0CH1104K942

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.1UF 50V 80%/-20%

Y5V(F) 1608

C3S6

LG-

0CH1103K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.01UF 50V 10% X7R(X)

1608 R/T

C3S7

QETL1HM-474 E CAPACITOR

0.47M SRA 50V M FM5

TP(5)

C3S8

LG-

0CH1103K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.01UF 50V 10% X7R(X)

1608 R/T

C3S9

LG-

0CH1103K562

CAPACITOR/FIXED

CERAMIC(TEMP.C

0.01UF 50V 10% X7R(X)

1608 R/T

C3T1

QETL1HM-474 E CAPACITOR

0.47M SRA 50V M FM5

TP(5)

C3T2

LG-

0CQ2222K409

CAPACITOR/FIXED

FILM

2200PF S 50V 5% PE

TP5

C3T3

LG-

0CQ2222K409

CAPACITOR/FIXED

FILM

2200PF S 50V 5% PE

TP5

C3T4

QETC1HM-225Z E CAPACITOR

2.2UF SRA/SS 50V 20%

FM5 TP 5



Symbol No.

Part No.

Part Name

Description

Local

HR-XV28SEF

HR-XV28SEK

MODEL

MARK

HR-XV28SER

HR-XV28SEU

MODEL

MARK

HR-XV28SEY

HR-XV28SEZ

MODEL

MARK

Summary of Contents for HR-XV28SEF

Page 1: ...2005 5 HR XV28SEF HR XV28SEK HR XV28SER HR XV28SEU HR XV28SEY HR XV28SEZ TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 9 4 ADJUSTMENT 1 10 5 TROUBLESHOOTING 1 37 EK model EF model EU EY EZ models EF ER models HR XV28SEF HR XV28SEK HR XV28SER HR XV28SEU HR XV28SEY HR XV28SEZ D5PV0 ...

Page 2: ...ensions approx 430 78 5 265 mm w h d Mass approx 4 2 kg Operating temperature 5 C to 35 C 41 F to 95 F Operating humidity 5 to 90 Timer 24 hours display type RF Modulator UHF 22 68 Adjustable System Laser Semiconductor laser wavelength 650 nm Video Head system Double azimuth 6 heads helical scanning Signal system PAL Frequency response DVD PCM 96 kHz 8 Hz to 44 kHz DVD PCM 48 kHz 8 Hz to 22 kHz CD...

Page 3: ... 9 When a power cord has been replaced check that 10 15 kg of force in any direction will not loosen it Fig 1 1 2 10 Also check areas surrounding repaired locations 11 Products using cathode ray tubes CRTs In regard to such products the cathode ray tubes themselves the high volt age circuits and related circuits are specified for compli ance with recognized codes pertaining to X ray emission Conse...

Page 4: ...lug prongs and externally ex posed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 1 1 9 and follow ing Fig 1 1 12 Fig 1 1 9 5 Grounding Class 1 model only Confirm specified or lower grounding impedance between earth pin in AC inlet and externally exposed accessible parts Video in Video out Audio in Audio out or Fixing screw etc Measuring Method Connect mill...

Page 5: ...rformed 1 Ground the workbench Ground the workbench by laying conductive material such as a conductive sheet or an iron plate over it before placing the traverse unit optical pickup on it 2 Ground yourself Use an anti static wrist strap to release any static electricity built up in your body 3 Handling the optical pickup In order to maintain quality during transport and before installation both si...

Page 6: ... I I B G SECAM D K K1 RF OUT CH RF OUT SYSTEM INITIAL NOT USED 22 68CH 36CH I 22 68CH 36CH K OSD LANGUAGES ENGLISH GERMANY FRENCH ITALIAN SPANISH DUTCH ENGLISH GERMANY ITALIAN SPANISH GREEK PORTU GUESE ENGLISH RUSSIAN REGIONAL CODE REGIONAL CODE 2 REGIONAL CODE 5 MODEL NAME HR XV28SEU HR XV28SEY EZ SCART CABLE OPTIONAL BROADCASTING SYSTEM PAL I I I B G SECAM D K K1 RF OUT CH RF OUT SYSTEM INITIAL ...

Page 7: ...XV28SEF OPT0 00 00000000 OPT1 5C 00000000 OPT2 E8 00000000 OPT3 47 00000000 OPT4 01 00000000 OPT5 0B 00000000 WR OK I EXIT MOVE EDIT 1 DETECT NEW EEPROM OPTION EDIT SCREEN Eeprom EDIT screen automatically appears if replacing Eeprom Setup option data using the cursor Up Down key of a remote control Setup upon BOM depending on OPT0 OPT5 model Since an initial remote control is set to LG for LG mode...

Page 8: ...Y HR XV28SER HR XV28SEF NAME HEX HEX HEX HEX HEX HEX OPT 1 44 47 50 53 52 42 OPT 2 45 42 4C 45 55 45 OPT 3 00 00 00 00 00 00 OPT 4 D3 D3 D3 D3 D3 D3 OPT 5 12 12 12 12 12 12 OPT 6 05 05 05 05 05 05 OPT 7 30 30 30 30 30 30 OPT 8 00 00 00 00 00 00 OPT 9 00 00 00 00 00 00 OPT A 00 00 00 00 00 00 OPT B 80 80 80 80 80 80 OPT C 00 00 00 00 0A 00 OPT D 00 00 00 00 00 00 OPT E 00 00 00 00 00 00 OPT F 00 00...

Page 9: ... No YD068 1 9 SECTION 3 DISASSEMBLY This service manual does not describe DISASSEMBLY ...

Page 10: ...17 17 18 21 22 21 21 22 23 24 25 26 21 22 23 24 25 26 27 21 22 23 24 25 26 27 21 22 23 24 25 26 27 25 2 3 14 25 31 25 31 2 3 14 DrumAssembly Plate Top HolderAssembly CST GearAssembly Rack F L Opener Door ArmAssembly F L LeverAssembly S W MotorAssembly L D Gear Wheel ArmAssembly Cleaner Head F E BaseAssemblyA C Head BrakeAssembly T ArmAssembly Tension Reel S Reel T BaseAssembly P4 Opener Lid ArmAss...

Page 11: ...Cautions in assembly of FPC Assembly shape seen in the reverse direction 1 Disassembly of Drum Assembly Figure A 1 1 Separate cable flat from the Drum FPC and the Capstan Motor 2 Release 3 screws S1 on the bottom side of the chassis and separate the drum assembly 3 Release the hooks H1 H2 and separate both the holder FPC and the Cap FPC disassemble if necessary ...

Page 12: ...1 12 No YD068 B E C Plate Top Arm Assembly F L Gear Assembly Rack F L Opener Door Holder Assembly CST B H3 A B Lever Assembly S W H4 E Fig A 2 1 Fig A 2 2 Fig A 2 5 Fig A 2 6 Fig A 2 3 Fig A 2 4 Fig A 2 ...

Page 13: ...he guide hole of chassis while turning it clockwise 7 Lever Assembly S W Fig A 2 6 1 Separate the lever assembly S W while pushing it toward the arrow direction after removing the hook 4 on the left side of chassis 6 Arm Assembly F L Fig A 2 5 1 Firstly separate the left part of the arm assembly F L from the groove of chassis while pushing the arm assembly F L toward the arrow direction 2 Separate...

Page 14: ...back ward and disassemble it while holding it up 9 Gear Wheel Fig A 3 2 1 Release the hook H5 of the gear wheel and disassemble it upward 10 Arm Assembly Cleaner Fig A 3 3 1 Separate the A part of Fig A 3 1 from the embossing of chassis and hold it up while turning it anti clockwise 11 Head F E Fig A 3 4 1 Separate the A part of the head F E from the emboss ing of chassis and hold it up while turn...

Page 15: ...4 3 13 Brake Assembly T Fig A 4 1 1 Release the spring tension from the lever spring hook H6 2 Disassemble the brake assembly T while holding it upward 14 Arm Assembly Tension Fig A 4 2 1 Release the spring tension the hook H7 from the arm assembly tension 2 After releasing the hook H8 of the base tension separate it while holding it up 15 Reel S Reel T Fig A 4 3 1 Disassemble the reel S reel T wh...

Page 16: ...up while turning it anti clock wise 17 Opener Lid Fig A 5 2 1 Release the B part of the opener lid from the embossing of chassis 2 Disassemble the opener lid upward while turning it anticlo ckwise 18 Arm Assembly Pinch Fig A 5 3 1 Hold the arm assembly pinch up 19 Arm T up Fig A 5 4 1 Turn the arm T up to release the anchor jaw H9 part of chassis and then hold it upward For the assembly check the ...

Page 17: ...1 Turn the supporter and Capstan by 90 deg clockwise with a driver for disassembly 21 Belt Capstan Fig A 6 2 Motor Capstan Fig A 6 3 1 Separate the belt Capstan 2 Undo 3 screws S6 on the bottom side of chassis and dis assemble it upward 22 Lever F R Fig A 6 4 1 Release the locking tab L1 and then disassemble it upward 23 Clutch Assembly D37 Fig A 6 5 1 Remove the washer W1 and then disassemble it ...

Page 18: ...r upward 1 Release the locking tab L2 on the bottom side of the plate slider and then disassemble it upward 27 Plate Slider Fig A 7 5 1 Disassemble the plate slider while holding it up 28 Lever Tension Fig A 7 6 1 Release the lever tension from the guide A of chassis while turning it anti clockwise 2 Disassemble the lever tension while holding it up 29 Lever Spring Fig A 7 7 1 Release the B part o...

Page 19: ...he arrow A direction along with the guide hole of chassis 2 Disassemble the base assembly P2 downward while mov ing it toward the arrow B direction along with the guide hole of chassis 31 Gear Assembly P2 Fig A 8 1 Gear Assembly P3 Fig A 8 2 1 Hold the gear assembly P2 upward 2 Hold the gear assembly P3 upward 33 Base Loading Fig A 8 5 1 Release 3 hooks H12 13 14 of the base loading and then disas...

Page 20: ...art of the base tension from the embossing of chassis 2 Hold the base tension upward while turning it anti clock wise 35 Arm assembly Idler Jog Fig A 9 2 1 Push both B C parts in Fig A 9 2 toward the arrow direction 2 Disassemble the arm assembly idler upward Take care to ensure that the D part in the drawing is not hung to chassis in disassembly ...

Page 21: ...s for Service 1 Cassette Torque Meter 1 PUJ42881 1 5 Post Height Adjusting Driver Roller driver PTU94002 2 Alignment Tape NTSC MHP PAL MHPE 3 Torque Gauge 3 PUJ48075 2 SRK VIDEO CASSETTE TORQUE METER VHT 303 S R K V H T S SRK V HT T 300 250 200 150 50 0 300 250 200 150 50 0 ...

Page 22: ... out by pressing the eject button 2 Separate both top cover and plate top and check both the hole A of gear cam and the hole A of chassis co rrespond Fig C 2 3 If it is done as in the paragraph 2 Turn the gear cam as in No 2 after mantling the motor assembly L D 4 Undo the screw fixing the deck and the main frame and separate the deck assembly Check both the hole A of gear cam and the hole A of ch...

Page 23: ... and check followings when the tape is not smoothly wound or the tape velocity is abnormally proceeded Adhere the torque gauge adaptor to the torque gauge for measuring the value Fig C 3 2 Fig C 3 1 Torque Gauge Torque Gauge Adaptor Reel Table Item Fast forward Torque Rewind Torque Play Take Up Torque Review Torque Fast Forward Rewind Play Review Torque Gauge Torque Gauge Cassette Torque Meter Cas...

Page 24: ...connecting the probe of oscilloscope to the RF envelope output point and the head switching output point 2 Tracking control playback Locate it at the center Set the RF output to the maximum value via the tracking control when such adjustment is completed after the drum assembly is replaced 3 Height adjusting screw Flatten the RF waveform Fig C 4 2 4 Move the tracking control playback to the right ...

Page 25: ... use the A C head assembly adjusted as in SPEC 2 Check there is crumpling and folding of the tape around the A C head If it is Turn and adjust the tilt adjusting screw to ensure that the tape corresponds to the bottom guide of the P4 and recheck the tape path after proceed ing play for 4 5 seconds 3 Where the tape bottom is not equal to Fig C 5 3 Adjust the height by using the height adjusting scr...

Page 26: ...h adjusting screw A Fig C 5 4 Fixtures and tools used Connection position VCR VCP status Adjustment position Oscilloscope Standard test tape only for SP Driver Type 4mm Audio Output Jack Play the Alignment tape 1KHz 7KHz Azimuth Adjusting Screw A Height Adjusting Screw B 1KHz A Maximum 7KHz B Minimum Adjustment Procedure 1 After releasing the auto tracking lightly turn the fixing screw Turn the ty...

Page 27: ...d stabilize the height change X distance change etc depending on the guide roller after assembling the drum RF ENVELOPE OUTPUT POINT V2 V1 V1 V1 V MAX 0 7 V1 V MAX 0 8 RF ENVELOPE OUTPUT HEAD RF SWITCHING OUTPUT POINT OSCILLOSCOPE Connection Diagram Waveform CH 2 CH 1 Checking Procedure 1 Check that locking time of the RF and Audio waveform is fallen within the measuring standard in conversion of ...

Page 28: ...deo Head o Horizontal Vertical Jitte o CAUTIONS If operation of the position with O mark is abnormal even after removing cause replace it with substitute product since it shows damage or wearing 7 A C Head 8 P4 Post 10 Pinch Roller 11 Take up Guide Post 9 Capstan Shaft 12 Take up Reel No 1 12 shows sequence that the tape moves from the supply reel to the take up reel Fig C 9 1 TOP VIEW Fig C 9 2 B...

Page 29: ... C 9 4 Firstly try to use a cleaning tape Use a cleaning patch if foreign materials are not removed with the cleaning tape due to severe dirty of the head Soak the cleaning patch in alcohol and put it to the head tip Smoothly turn the drum turning cylinder to the right or left In this case the cleaning patch must not be moved verti cally After completely drying the head test the traveling status o...

Page 30: ...ve Inner Surface of Guide Rail KG 684G Green Chassis L Chassis R Gear Part 1 2 3 4 6 5 7 Chassis TOP Chassis Bottom Cam Part KG 684G GREEN Cam Part KG 684G GREEN Gear Rack F L Lever Brake Driving Cam Part Side Wall Guide Part Lever F R Driving Part Side Wall Guide Part Lever Spring Driving Part Lever Tension Driving Cam Part Gear Sector Driving Part Plate Slider 1 Inner Side Surface and Top Surfac...

Page 31: ... No YD068 1 31 Lever F R Base Tension GEAR AY P2 P3 LEVER F R Clutch Contact Part PL 433 Yellow Tension Arm Party Hinge Part PL 433 Yellow BASE TENSION PL 433 ...

Page 32: ... is inserted b Connect the CH1 of the oscilloscope to the H SW TP and CH2 to the Video Out for the VCR c Trigger the mixed Combo Video Signal of CH2 to the CH1 H SW TP and then check the distance time difference which is from the selected A B Head point of the H SW TP signal to the starting point of the vertical synchronized signal to 6 5H 0 5H 412 s 1H 63 s PG Adjustment Method a 1 Playback the A...

Page 33: ...me Assembly Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 4 Screws 1 Connector 1 Locking Tabs 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking Tab 1 Hook 2Screw 2 Locking Tabs 5 1 5 1 5 1 5 1 5 1 5 2 5 3 5 3 5 3 5 3 5 3 5 4 5 4 5 4 5 4 5 4 5 4 5 4 Bottom Bottom Procedure Parts Fixing Type Fig ure Disass embly Note Top View Without Tray Bottom View ...

Page 34: ...w A 3 Separate the Clamp Assembly Disc from the Holder Clamp 2 Tray Disc Fig 5 2 1 Insert and push a Driver in the emergency eject hole A at the right side or put the Driver on the Lever B of the Gear Emergency and pull the Lever B in direction of arrow so that the Tray Disc is ejected about 15 20mm 2 Pull the Tray Disc until it is separated from the Base Main completely 1 1 1 Plate Clamp 1 1 2 Ma...

Page 35: ...the Scerw S3 4 Rubber Rear Fig 5 3 BASE PU RUBBER DAMPER RUBBER DAMPER SCREW INSERTION TORGUE CONTROL 800gf DOWN RUBBER DAMPER Distinguish upper and lower sides Assemble with care Distinguish upper and lower sides Assemble with care MIDDLE GEAR RUBBER DAMPER GEAR RACK PINION GEAR GEAR RACK GENERAL PICK UP ASSEMBLY SPINDLE MOTOR ASSEMBLY S2 S2 S3 Fig 5 3 ...

Page 36: ... Fig 5 4 1 Move the Guide Up Down in direction of arrow A as Fig A 2 Push the Locking Tab L5 down and then lift up the Guide Up Down to separate it from the Base Main When reassembling place the Guide Up Down as Fig C and move it in direction arrow B until it is locked by the Locking Tab L5 And confirm the Guide Up Down as Fig A 10 PWB Assembly Loading Fig 5 4 Put the Base Main face down Bottom Si...

Page 37: ...V 18V sup plied to IC101 Pin2 Replace the FR101 Use the same ICW Replace the BD101 Is the D102 normal Check or Replace the D102 Replace the R101 Replace the R125 Is the D123 normal Replace the D123 Is the D124 Normal Replace the D124 Is the D121 Normal Replace the D121 Is there about 2 5V at the IC103 Pin1 Power Line of Main PCB is short Replace the IC103 YES NO NO NO NO NO NO NO NO NO YES YES YES...

Page 38: ...3V sup plied to Q163 Emittor Is the Q162 Base H Check or Replace the Q163 YES NO YES YES NO 3 No 5 0V_T No 3 3V Check or Replace the D123 Check the PWR CTL H signal from com Is there about 3 8V at the IC131 pin1 Is there about 3 3V 5V at the IC131 pin4 Check the IC131 and Replace YES NO YES YES NO 4 No 3 3V No 33V Check or Replace the D121 Check the PWR CTL H signal from com Is the Vcc 33V sup pli...

Page 39: ...4 Check or Replace the Cap Drum YES NO YES 6 No Motor_Vcc To Cap Drum Motor No REG 12V Check or Replace the D124 Check the PWR CTL H signal from com Is the Vcc 14V supplied to Q165 Collector Is the Vcc 14V sup plied to Q165 Base Check or Replace the Q165 YES NO YES YES NO 7 No REG 12V ...

Page 40: ...appear at the IC501 Pin3 Check the Power 2 The unstable loading of a Cassette tape Caution Auto stop can occur because Grease or Oil is dried up NO NO NO NO YES YES YES YES YES Does the L signal appear at the IC501 Pin19 during inserting the CST Does the H signal appear at the IC501 Pin32 during inserting the CST Is 12V applied to the PMC01 Pin8 The unstable loading of a Cassette tape Is 5 0V appl...

Page 41: ...YES YES YES 2 When the Drum Motor doesn t run When the Drum Motor doesn t run Refer to 2 No 12VA of Power section Do the DFG Pulses appear at the PMC01 Pin11 Do the DFG Pulses appear at the IC501 Pin104 Aren t the connecting patterns and the Components between IC501 Pin34 and PMC01 Pin12 short Does 12V appear at the PMC01 Pin8 Does 2 8V appear at the PMC01 Pin12 Check the connector PMC01 and the D...

Page 42: ...n IC501 Pin67 and PMC01 Pin1 short Does the PWM signal appear at the IC501 Pin33 Does the CFG signal appear at the PMC01 Pin1 Does the CFG signal come into the IC501 Pin67 Does the Capstan PWM signal appear at the IC501 Pin33 Does 12VA appear at the PMC01 Does 2 8V appear at the PMC01 Check the Capstan Motor Ass y Replace the IC501 YES YES YES YES YES YES NO NO NO NO NO NO 4 KEY doesn t working Is...

Page 43: ...Does the Video signal appear at the IC501 Pin47 Check the System Circuit Refer to SYSTEM I2 C BUS CHECK Trouble Shooting Chck the path of the signal between the IC301 Pin65 and IC501 Pin49 Does the 12VT 5 3VA appear at the Emitter terminal of the Q309 Does the Video signal appear at the Emitter terminal of the Q309 Is I2 C BUS signal applied to the IC301 Pins68 69 Check the 12VT 5 4VA Line Power C...

Page 44: ... IC301 Check the System Circuit IC501 Pin23 Check the V H S W level Check R303 R304 Is the I2C Bus siganl applied to the IC301 Pins68 69 Is the I2C Bus siganl applied to the IC301 Pins68 69 Does the Y Luminance RF signal appear at the IC301 Pin79 Check the path of the Y Luminance RF signal Check the C312 Is the Y Luminance Video waveform showed up at theIC301 Pin43 Check the path of the Y Luminanc...

Page 45: ... Color signal appear at the IC301 Pin25 Check the line of the 5 0VT 5 3VA Line Power Circuit Check the Color Rotary Circuit IC501 Pin98 Check the Color Rotary level Check the R303 Is Color Rotary H about 3 4V Does the X301 4 43MHZ oscillate Does the Color signal appear at the IC301 Pin21 Replace the X301 Check the Color Pass Replace the IC301 Replace the IC301 YES NO NO NO NO NO NO YES YES YES YES...

Page 46: ...ower Circuit Does PB Mdoe operate normally Does the RF signal appear at the IC301 Pin78 Is the REC H signal about 4V applied to the IC301 Pin80 Does the REC RF signal appear at the IC301 Pins88 89 94 95 Check the System of REC H the IC501 Pin27 the D301 Check REC Luminance Pass Color Pass Check the Drum Drum Connector Check the circuit of the IC301 Pins85 86 Replace the IC301 YES NO NO NO NO NO NO...

Page 47: ...901 Check the TU Audio of IC801 Pins2 3 Check the DVD Audio of IC801 Pins4 5 Check the AV1 Audio of IC801 Pins6 7 Check the AV2 Audio of IC801 Pins8 9 Check the AV3 Audio of IC801 Pins10 11 Check the Vcc of IC801 Pins34 40 IC802 Pin13 Check the IIC Clock and DATA at IC801 Pins42 43 Check the DVD Audio OUT JK902 DVD_A_L_L R Check the Scart1 Jack SC901 Scart1 Audio in Pins2 6 Check the Scart2 Jack S...

Page 48: ... Do Audio Signals appear at JK902 Do Audio Signals appear at IC802 Pin10 L CH 16 R CH Check the parts of COM IC501 Pins17 18 Check the Connection at P3D01 Pins7 9 Check the A IN line of IC802 C850 C852 Check the Vcc of IC802 Pin13 Check IC501 Pin26 A H SW Check the Hi Fi Selection switch IC801 Pin41 and the Tape quality Check Power 5 0V 12VT Check Power Replace IC802 Check the Jack JK902 YES NO NO...

Page 49: ...rded Hi Fi Audio signal Check ports of COM IC501 pins 17 18 Do Audio signals appear at IC801 Pins16 17 Do FM Audio signals appear at IC801 Pin36 Check the Contact Point of Drum Connector if good then Replace the Drum Check Audio input signal of IC801 Pins2 3 TU A 4 5 DVD A 6 7 AVI A 8 9 AV2 A 10 11 AV3 A YES YES NO NO NO NO YES YES YES YES ...

Page 50: ...rom IC301 Pin65 to IC501 Pin49 Does Sync appear at IC501 Pin111 Does the Video signal at the IC501 Pin47 Does the Video signal at the IC301 Pin61 Does the Video signal at the IC903 Pin6 Check the signal flow from IC903 Pins26 27 to SC901 Pin19 Check the signal from IC501 Pin47 to IC301 Pin56 Check the signal from IC903 Pin6 to IC301 Pin61 Check the signal flow from TU701 Pin19 to IC301 Pin48 Check...

Page 51: ...C751 Pins30 31 to IC801 Pins2 3 Check the IIC Clock and Data at IC801 Pins42 43 Check the signal flow from IC801 Pins16 17 to IC802 Pins11 16 No Sound Check the oscillator of IC751 Pins5 6 Check the Audio of IC751 Pins30 31 Check the Audio of IC801 Pins2 3 Check the Audio of IC801 Pins16 17 Check the Audio of IC802 Pins3 5 Check 5 0V Line Check the Tuner SIF of TU701 Pin22 Replace X751 NO YES YES ...

Page 52: ...Replace the end sensor Is the Syscon checked NO YES YES YES YES NO NO A NO NO NO No F R operates Is the current mode an F R mode Check the assembly position of the Mode S W Is normal voltage applied at the Vcc1 and the Vcc2 of the Capstan motor Is the Vctl terminal voltage of the Capstan Motor applied at more than 4V Check the Servo Power circuit Replace the Capstan motor Does the Capstan motor ro...

Page 53: ...g pinch Replace the drum motor Check the Servo Syscon Check the Syscon com No cassette loading is done Insert the cassette Check the holder assembly CST Does output of the CST IN S W change In insertion of the REC tape L _ H _ L In insertion of the REC preven tion tape L _ H _ L _ H Is the CST IN S W normal Is operation of the lever assembly S W normal Check the Syscon circuit Check the Syscon cir...

Page 54: ...on circuit Check the Syscon circuit Check the Syscon circuit Does the Capstan motor turn Is the Vctl terminal voltage of the drum motor at more than 2 3V Replace the drum motor Is the Vcc voltage of the drum motor normal Check the clutch and the idler assembly YES YES YES YES YES YES YES YES NO NO NO NO NO Is the Vctl terminal voltage of the Capstan motor applied at more than 4V Replace the Capsta...

Page 55: ... main P C B assembly YES Is there short between the cassette switch terminal and the GND on the main P C B assembly Replace the main P C B assem bly or remove the short part NO Check the mode switch position and the Syscon circuit Replace the CST IN switch YES NO YES NO NO Replace the F L switch NO NO No cassette eject is done Does the L D motor turn in reverse Check the L D motor and the drive IC...

Page 56: ...heck power supply of the L D motor Check the assembly status of the holder assembly cassette Replace the gear rack F L Does the gear rack F L operate Does the opener door operate Does the arm assembly F L operate Does the L D motor operate Does the holder assembly cassette move same as the arm assembly F L Replace the front loading mechanism assembly YES YES YES YES NO NO NO YES NO YES NO YES NO C...

Page 57: ... SLED Moves to Inner Position Recieve OPEN CLOSE Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key 2 Systemoperati on Routi ne Loop 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure SLED at Inner Side 1 8032 initializes SERVO DSP RISC registers 2 Write RISC code to SDRAM 3 Reset RISC ...

Page 58: ... PCBA Make sure the main PCBA don t short on VCCs and switch it on Is 3 3V and 1 8V DC outputs normal on main PCBA Check the regulators or related diodes Connect to PC CN601 Cable and update the FLASH memory code Update FLASH successfully A 1 Check 27MHz system clock 2 Check system reset circuit 3 Check FLASH R W enable signal PRD RWR 4 Check CN601 SIGNALS 5 Check FLASH Memory related circuit NO N...

Page 59: ... outputs properly Check the related circuit of ZR36868 Have TV signal output Check the filtering and amp circuit of TV signal Check AV cable connection to TV set Does Tray move inside when it is not at closed position Normal TROUT TRIN signals Check the load OPEN CLOSE switch Normal TRCLOSE TROPEN signal Normal LOAD LOAD signal Check the cable connection between main PCBA and loader Check the Tray...

Page 60: ...ated circuit of SLED_S SLED and SEDL outpup properly Check the amp circuit on motor driver Check the cable connection with MECHA Do not put in disc and tray close NO NO YES NO YES YES C Optical Lens has movements for searching Focus Proper FOCUS_S outputs to motor driver Check FFOCUS_S connection on ZR36868 and motor dirver Proper FACT FACT outputs Check the amp circuit on motor dirver Check cable...

Page 61: ...etween spindle and main PCBA NO Laser turns on when reading disc NO NO NO NO DVD_LD or CD_LD output properly Check the laser power circuit on ZR36868 and connecting to power transistor Collector voltage of power transistor is OK Check the related circuit on laser power transistor Check cable connection between transistor ouput and pick up head Put disc in Laser off Disc ID is correct Check DVD_LD ...

Page 62: ...he tracking control amp circuit on motor driver Check cable connection on pick up head Disc is play Check RF VC signal waveform Focus ON OK Proper signals on A B C D of ZR36868 Check connections between ZR36868 and Pick up head Check FOCUS_S signal on ZR36868 YES YES YES YES YES YES YES NO NO NO NO NO NO TACT TACT output properly ...

Page 63: ...nication lines on ZR36868 NO YES Check the cable connection on Front pannel TEST END YES Normal Audio output when disc playback Audio DAC received correct data stream Check connection between ZR36868 Audio DAC Normal Audio DAC out Check the related circuit of Audio DAC Check Audio filter amplify mute circuit NO NO NO YES YES YES E NO ...

Page 64: ...TAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 5 4 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 ZR36868 main clock is at 27MHz X501 1 0V 27MHz FIG 1 1 2 ZR36868 reset is low active PWR_CTL_H 5 3VA M_RESET FRONT FIG 1 2 ...

Page 65: ... No YD068 1 65 3 CN601 waveform during procedure Downloading DUPTDO DUPRDO FIG 1 3 4 Flash R W enable signal during download Downloading FRD FWR FIG 1 4 ...

Page 66: ...1 66 No YD068 5 4 2 SDRAM CLOCK 5 4 3 TRAY OPEN CLOSE SIGNAL DCLK 135MHz Vp p 2 2 Vmax 2 7V FIG 2 1 1 Tray open close waveform OPEN CLOSE FIG 3 1 ...

Page 67: ...TROL RELATED SIGNAL NO DISC CONDITION 5 4 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION SLED_S 2 0V 1 4V 1 0V SLED 4 7V 4 0V 2 6V SLED 5 3V 4 0V 3 0V FIG 4 1 FOCUS_S 1 5V 1 4V 1 3V FACT 4 0V 3 6V 3 2V FACT 4 0V 3 6V 3 2V FIG 5 1 ...

Page 68: ...1 68 No YD068 5 4 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 5 4 7 DISC TYPE JUDGEMENT WAVEFORM MD_CD 0V 180mV MD_LD 5 0V 3 5V DVD_LD 5 0V 3 6V FIG 6 1 F FE RFL FIG 7 1 DVD ...

Page 69: ... No YD068 1 69 F FE RFL FIG 7 2 DVD F FE RFL FIG 7 3 CD ...

Page 70: ...1 70 No YD068 5 4 8 FOCUS ON WAVEFORM F FE RFL FIG 7 4 CD FOCUS_S FACT FACT FIG 8 1 DVD ...

Page 71: ... No YD068 1 71 5 4 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION FOCUS_S FACT FACT FIG 8 2 CD SPINDLE_S MOT_SPDL 3 6V 2 4V MOT_SPDL 3 6V 4 8V FIG 9 1 ...

Page 72: ...1 72 No YD068 5 4 10 TRACKING CONTROL RELATED SIGNAL System checking TRACK_S TACT TACT FIG 10 1 DVD TRACK_S TACT TACT FIG 10 2 CD ...

Page 73: ... No YD068 1 73 5 4 11 ZR36868 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF 5 4 12 ZR36868 VIDEO OUTPUT WAVEFORM FIG 11 1 1 100 FIG 12 1 ...

Page 74: ...1 74 No YD068 5 4 13 ZR36868 AUDIO OUTPUT TO AUDIO DAC 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...

Page 75: ... No YD068 1 75 5 4 14 AUDIO OUTPUT FROM AUDIO DAC FIG 14 1 ...

Page 76: ... No YD068 AV MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 77: ... XV28SER HR XV28SEU HR XV28SEY HR XV28SEZ EK model EF model EU EY EZ models EF ER models HR XV28SEF HR XV28SEK HR XV28SER HR XV28SEU HR XV28SEY HR XV28SEZ D5PV0 CD ROM No SML200505 COPYRIGHT 2005 Victor Company of Japan Limited No YD068SCH 2005 5 SCHEMATIC DIAGRAMS ...

Page 78: ......

Page 79: ...uding E E signal path Capstan servo path Drum servo path Example R Y Y Playback R Y signal path Recording Y signal path 6 Indication of the parts for adjustments The parts for the adjustments are surrounded with the circle as shown below 7 Indication of the parts not mounted on the circuit board OPEN is indicated by the parts not mounted on the circuit board R216 OPEN 1 2 3 1 2 3 1 2 3 1 4 2 3 Rem...

Page 80: ...F F E A D C B F T T F Vcc GND CD_LD CD_PD VOL CD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 PMD03 SPM SPM FM FM LM LM SW OPEN SW CLOSE GND SW LEAD IN GND 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 K RTN2 GND 1 2 1 2 P3D02 CTL CTL A E A E A REC A PB 1 2 3 4 5 6 1 2 3 4 5 6 GND FULL ERASE P3D03 1 2 1 2 DECK MD KEY BOAR...

Page 81: ... ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR CUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1...

Page 82: ... EE PB Screen doesn t appear Q305 is defective PB COLOR Signal disappear IC301 Pin70 is defective PB COLOR Signal disappear X301 is defective D301or IC301 Pin 80 REC is defective PB and Recording is failed IC301 doesn t operate IC301 Pin 69 68 are defective Normal Audio signal is not recorded Q301 Q306 are defective No mono Audio Signal in PB MODE Q302 Q303 Q314 are defective A V CIRCUIT DIAGRAM S...

Page 83: ...e VCR will not operate X501 is defective CLOCK SETTING will not operate X502 is defective µ COM will not operate ES501 ES502 LD501 are defective Auto Rew will not working RS501 RS502 are defective Auto stop occures R575 R576 R577 R578 are defective Deck will not operate SYSTEM CIRCUIT DIAGRAM SHEET 3 2 9 2 10 ...

Page 84: ...A 1 2 3 4 5 B C D E F G EE MODE VIDEO TU MODE AUDIO TUNER IF CIRCUIT DIAGRAM SHEET 4 2 11 2 12 ...

Page 85: ...A 1 2 3 4 5 B C D E F G PB REC 44 Pin is defective Hi Fi Audio is not appear IC801 Pins42 43 aredefective All Audio is not appear Hi Fi AUDIO CIRCUIT DIAGRAM SHEET 5 2 13 2 14 ...

Page 86: ...A 1 2 3 4 5 B C D E F G SCART JACK CIRCUIT DIAGRAM SHEET 6 2 15 2 16 ...

Page 87: ...A 1 2 3 4 5 B C D E F G ع DVD SERVO CIRCUIT DIAGRAM SHEET 7 2 17 2 18 ...

Page 88: ...A 1 2 3 4 5 B C D E F G ع DVD AV JACK CIRCUIT DIAGRAM SHEET 8 2 19 2 20 ...

Page 89: ...A 1 2 3 4 5 B C D E F G ع DVD SYSTEM CIRCUIT DIAGRAM SHEET 9 2 21 2 22 ...

Page 90: ...PRINTED CIRCUIT DIAGRAMS VCR MAIN BOARD TOP SIDE 2 23 2 24 ...

Page 91: ...VCR MAIN BOARD BOTTOM SIDE 2 25 2 26 ...

Page 92: ...COMPONENT PARTS LOCATION GUIDE VCR MAIN 2 27 2 28 ...

Page 93: ...LOCATION GUIDE LOCATION GUIDE POWER BOARD KEY BOARD 2 29 2 30 ...

Page 94: ... VC M5V HOMESW OUTSW INSW TRACK_S FOCUS_S SLED_S SPINDLE_S MD_CD ALPC VCR_DATA DVD_RESET AUDIO_MUTE CN602 HYPER_TERMINAL MC DV33 IC602 M12L16161A SDRAM MD IC601 ZR36868 DSP MPEG RF 12V 5V L R L IC501 M37760 VCR MICOM DVD_ENA DVD_CLK DVD_DATA POWER BOARD 3 3V 33V 5 3VA 5 0V M5V 5VT PWR_CTL_H Pb B Pr R Y G IC801 LA72670BM HIFI PICKSEL CN601 DOWNLOAD 5V 5V REG12V IC607 CS5331A KARAOKE AMCLK ABCLK ALR...

Page 95: ...IFIER SMOOTING BLOCK D124 C124 C134 R121 L124 C121 RECTIFIER SMOOTING BLOCK D123 C127 C137 L127 RECTIFIER SMOOTING BLOCK D121 C126 R136 RECTIFIER SMOOTING BLOCK D122 C128 L128 C138 MOTOR VCC 14VA REG12V 3 3V 5 3VA M5V 5VT 33V 12V REG BLOCK Q166 ZD151 C160 R166 C159 5VT S W BLOCK Q163 C162 D127 R156 R157 3 3V REG BLOCK IC131 C158 R165 33V S W BLOCK Q161 R154 R155 5V S W BLOCK Q165 C164 R172 R174 PW...

Page 96: ...43 Y Delay 79 78 80 REC H V H SW C ROTARY DATA CLOCK C SYNC V OUT MICOM V IN4 FRONT V IN3 DEC 79 78 76 75 70 69 68 67 65 59 58 54 52 50 V IN2 S1 V IN1 TUNER 48 46 43 33 32 31 CLK IN 29 28 4 43MHz 27 21 95 94 89 88 Killer C LPF ACC BPF Main Conv Main Conv DETAIL ENH NL EMPHA W D CLIP IC301 LA71750M LP REC SP REC To Drum To Drum W D CLIP REC FM EQ Y LPF FBC AGC SW Y DELAY KILL DEC REC APC VX02 VX02 ...

Page 97: ...2fsc L505 Q506 R537 539 584 585 C553 554 LD LD L M CONTROL R525 R526 R522 C568 MN101D10X Q504 505 R506 507 508 509 511 C504 511 L503 C507 C509 L504 C505 C506 SYSTEM BLOCK DIAGRAM 2 37 2 38 ...

Page 98: ...CLK IIC DATA MSP3417 MSP3407 SW1 SW2 AS A OUT AFT SIF TU_A_R TU_A_L IIC DATA IIC CLK TU_SE_VL_H TU_SECAM_H 33V MOD_VIDEO 5V MOD_AUDIO 5 4VA 5V AFT TU_VIDEO TUNER IF NICAM A2 BLOCK DIAGRAM VPS BLOCK DIAGRAM 2 39 2 40 ...

Page 99: ... EU2 A OUT L 19 EU2 A OUT R DVD_H 20 8 9 AUDIO INPUT BLOCK VIDEO INPUT BLOCK AUDIO INPUT BLOCK OSD V IN DVD R V IN RF_H DVD A IN L DVD A IN R NORMAL AUDIO OUT To AVCP NORMAL AUDIO IN From AVCP Tu A IN L Tu A IN R DVD A IN L DVD A IN R EU1 A IN L EU1 A IN R EU2 A IN L EU2 A IN R AV2 A IN L AV2 A IN R MODULATOR A OUT To Tu SCART 2 7 Hi Fi AUDIO BLOCK DIAGRAM 2 41 2 42 ...

Page 100: ...IC101_ICE3B0565 IC131_78R33 IC102_LTV 817B IC141_78R08 IC301_LA71750EM IC3S1_LA70100M IC501_MN101D10X IC504_KIA7031P IC503_24WC16P IC751_MSP3417 3407 IC5F1_PT6955 IC505_KIA7042 IC BLOCK 2 43 2 44 ...

Page 101: ...IC7V1_SDA5650X IC802_NM1232 IC903_BH78968FS IC803_LD1117A IC801_ DA9605H IC BLOCK 2 45 2 46 ...

Page 102: ...US_S TRACK_S SLED_S SPINDLE_S OPEN SPDL_SENS FACT TACT SLED LOAD 27MHz X TAL DVD_LD CD_LD VR_CD VR_DVD MD_CD PICKSEL HOMESW INSW OUTSW CLOSE DRVSB FLASH ROM FLASHCS MEMRD MEMWR MEMDA 0 15 MEMAD 0 19 EEPROM SCL SDA CN601 DOWNLOAD RXD TXD M D DISC IC203 BA4558 CD_MD DVD_MD DVD SERVO BLOCK DIAGRAM 2 47 2 48 ...

Page 103: ...UT A OUT_L A OUT_R Y Pb Pr COAXIAL DVD_A_L DVD_A_R OPTICAL Y C DVD_VIDEO A_OUT_R A_OUT_L DVD_A_R DVD_A_L DVD_A_L DVD_A_R A IN_R A IN_L Y G Pb B Pr R ASPDIF AUDIO_MUTE AMCLK SCL ABCLK ALRCK SDA SCL SDA IC402 OP AMP AOUTO IC501 MICOM OSD_VIDEO DVD VIDEO AUDIO BLOCK DIAGRAM 2 49 2 50 ...

Page 104: ...IC201_BA5954 IC401_PCM1753 IC402_NJM4580D IC203_LM358L IC602_M12L16161A 7T IC602_ZR36868ELC IC604 IC606_74HCT244 IC605_KS24C021CS DVD IC BLOCK 2 51 2 52 ...

Page 105: ...2 162 2 64 3 21 163 3 25 3 21 164 3 25 3 2 165 2 64 3 21 166 0 01 0 01 167 2 64 3 14 168 1 88 2 24 169 0 01 0 01 170 2 64 2 1 171 1 88 2 4 172 2 2 1 173 1 8 2 1 174 1 74 1 91 175 1 71 1 88 176 0 11 0 16 177 0 1 0 38 178 3 15 3 1 179 3 13 2 25 180 0 01 0 01 181 0 01 0 01 182 1 8 2 1 183 0 01 3 24 184 0 01 0 01 185 0 01 0 2 186 3 29 3 28 187 3 28 3 28 188 0 01 0 02 189 0 01 0 01 EE PB MODE PIN NO 19...

Page 106: ...3 1 65 5 15 Q507 2 15 2 8 0 002 2 15 2 8 0 002 Q550 0 01 0 002 1 66 0 01 0 002 1 66 Q901 0 76 0 002 0 008 0 48 0 002 0 004 Q701 5 78 5 03 5 24 VOLTAGE CHARTS IC301 Pin 75 PB mode 500mvp p IC301 Pins 48 50 54 56 Video in 1Vp p IC301 Pin 67 PB REC mode 4 0Vp p IC301 Pin 100 REC mode 1 1Vp p IC301 Pin 3 REC mode 2 0Vp p IC301 Pin 65 PB mode 2 02Vp p IC301 Pin 43 PB mode 400mVp p IC301 Pin 28 PB mode ...

Page 107: ......

Page 108: ... No YD068 AV MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 109: ...that do not meet specifications may cause trouble in regard to safety and performance We recommend that genuine JVC parts be used x_ in a description column shows the number of the used part Contents Exploded view of general assembly and parts list 3 2 VHS mechanism assembly and parts list 3 4 DVD mechanism assembly and parts list 3 7 Electrical parts list 3 9 Packing materials and accessories par...

Page 110: ...nd parts list Block No M1MM A44 274 463 261 261 452 261 261 330 265 465 469 300 323 250 463 463 463 469 324 288 471 463 A43 285 286 283 284 DVD unit Key board assembly 02 Power board assembly 01 VCR main board assembly 03 470 457 Deck mecha assembly ...

Page 111: ...0472A HOLDER VCR ONE BOARD SLIM MOLD HIPS 6 x2 330 LG 3140R V010A CHASSIS ONE BOARD PRESS SECC 0 8T 452 LG 1SZZR 0098A SCREW DRAWING 2 D3 0 L10 0 MSWR3 FZMCY 1 3 x4 457 LG 1SZZR 0098E SCREW DRAWING 2 D3 0 L12 0 MSWR3 FZMCW 1 3 x4 463 LG 1SZZR 0098G SCREW DRAWING 2 D3 0 L8 0 MSWR3 FZMCW 1 3C x8 465 LG 1SZZR 0097K SCREW DRAWING 2 D3 0 L10 0 MSWR3 FZB 3 CR x2 469 LG 1SZZR 0098J SCREW DRAWING 2 D3 0 L...

Page 112: ...68 VHS mechanism assembly and parts list Block No M2MM 100 A21 A23 A24 115 116 102 109 A22 054A 054 008 011 031 079 017 024 406 031 021 028 029 027 022 003 004 006 007 014 015 009 409 013 016 012 A01 405 Not used ...

Page 113: ... No YD068 3 5 052 517 061 056 518 052A 055 410 077 076 078 060 051 064 A11 A12 023 080 058 BACK SIDE ...

Page 114: ...39A GEAR DECK MECHA CAM OTHER D37 058 LG 4421R M001A BRAKE ASSEMBLY CAPSTAN D37 060 LG 4510R 0065A LEVER DECK MECHA F R OTHER D37 061 LG 4265R 0007A CLUTCH ASSEMBLY DECK MECHA D37 N 064 LG 4470R 0141A GEAR DECK MECHA SECTOR OTHER D37 076 LG 4510R 0063A LEVER DECK MECHA SPRING OTHER D37 077 LG 3300R M203A PLATE SLIDER OTHER D37 078 LG 4510R 0062A LEVER DECK MECHA TENSION OTHER D37 079 LG 3040R M057...

Page 115: ... YD068 3 7 DVD mechanism assembly and parts list Block No M3MM 026 A01 020 018 014 013 017 435 012 019 012 440 015B 015 016 A02 439 012A 010 432 030 025 024 439 431 435 430 430 021 035A 439 035 036 A03 032 ...

Page 116: ...D DP 9 PINION MOLD 025 LG 4470R 0178A GEAR DVD DP 9 MIDDLE MOLD 026 LG 3390R 0030A TRAY DVD DP 9C DISK MOLD 030 LG 4470R 0180A GEAR DVD DP 9 RACK MOLD 032 LG 6200J000090 FILTER CIRC EMC ZSHT1228 0730T K TDK ST 035 LG 6871R 9295A PWB PCB ASSEMBLY TOTAL DP 9C FEEDING 035A LG 6850R GK09Z CABLE FLAT P 1 0 FFC UL2896 0 05X0 65 11 036 LG 4370R 0136A SHAFT DVD PU DR 02 SUS 420J2 OTHER 430 LG 1SZZR 0064B ...

Page 117: ...ANG D ZD152 or LG 0DZ100009HA DIODE ZENERS UZ 10BM TP PYUNG CHANG 0 5W C101 LG 624 088L CAPACITOR DRAWING 435D SUNIL ELECTRONICS 0 1UF 2 C102 LG 624 088L CAPACITOR DRAWING 435D SUNIL ELECTRONICS 0 1UF 2 C103 LG 0CE686CV610 CAPACITOR FIXED ELECTROLYTIC 68UF SHL SD 450V M FL BULK C C103 LG 0CE686CU611 CAPACITOR FIXED ELECTROLYTIC 68UF SHL SD 400V 20 FL BK7 5 A B D E F C104 LG 0CN1040K948 CAPACITOR F...

Page 118: ...CT SKHVBG3910 AA FORWARD 12V DC 5 SW510 or LG 6600RRT001G SWITCH TACT EVQ 213 09K MATSUSHITA 15V DC SW511 LG 556 213C SWITCH DETECTOR THV10912B TACT DC 12 V 5 0 A V SW511 or LG 6600RRT001G SWITCH TACT EVQ 213 09K MATSUSHITA 15V DC SW511 or LG 6600RRT001R SWITCH TACT SKHVBG3910 AA FORWARD 12V DC 5 SW512 LG 556 213C SWITCH DETECTOR THV10912B TACT DC 12 V 5 0 A V SW512 or LG 6600RRT001G SWITCH TACT E...

Page 119: ...Q806 LG 0TR103009AC TRANSISTOR KRA103S T1 PC 22 22 CHIP KEC Q807 LG 0TR150409AC TRANSISTOR KTA1504 GR T1 ASG CHIP KEC B C D E F Q808 LG 0TR150409AC TRANSISTOR KTA1504 GR T1 ASG CHIP KEC B C D E F Q902 LG 0TR387509AC TRANSISTOR CHIP KTC3875S GR T1 ALG KEC Q903 LG 0TR387509AC TRANSISTOR CHIP KTC3875S GR T1 ALG KEC Q905 LG 0TR150409AC TRANSISTOR KTA1504 GR T1 ASG CHIP KEC Q906 LG 0TR150409AC TRANSIST...

Page 120: ... 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C343 LG 0CH1473K562 CAPACITOR FIXED CERAMIC TEMP C 47000PF 50V 10 X7R X 1608 R C345 LG 0CH1473K562 CAPACITOR FIXED CERAMIC TEMP C 47000PF 50V 10 X7R X 1608 R C346 QET61CM 476 E CAPACITOR 47UF SRA SS 16V 20 FM5 TP 5 C347 LG 0CE1053K638 CAPACITOR AL ELECTROLYTIC 1 0M SRE SE50V M FM5 TP 5 C348 QETC1HM 105Z E CAPACITOR 1 0M SRA S...

Page 121: ...5 TP 5 C543 LG 0CH1222K512 CAPACITOR FIXED CERAMIC TEMP C 2200PF 50V 10 B 5YP 1608 R T C544 LG 0CH1473H942 CAPA CHIPCERAMIC M L H D F S 0 0470UF 25V Z Y5V F 1608 R T C545 LG 0CH1333K562 CAPACITOR FIXED CERAMIC TEMP C 0 033UF 50V 10 X7R X 1608 R C546 LG 0CE4764J638 CAPACITOR AL ELECTROLYTIC 47UF SRA SS 35V M FM5 TP 5 C547 LG 0CH1103K562 CAPACITOR FIXED CERAMIC TEMP C 0 01UF 50V 10 X7R X 1608 R T C5...

Page 122: ...ame Description Local C674 LG 0CH4010K012 CAPACITOR FIXED CERAMIC HIGH D 1PF 50V O 25 PF NP0 1608 R TP C675 LG 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C702 LG 0CE4775C638 CAPACITOR FIXED ELECTROLYTIC 470UF SR SV 6 3V 20 FM5 TP 5 C703 LG 0CH1103K512 APA CHIP CERAMIC M L H D F S 0 0100UF 50V K B 1608 R TP A C703 LG 0CH1103K562 CAPACITOR FIXED CERAMIC TEMP C 0 01UF 50V 1...

Page 123: ...1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C892 QET61CM 106Z E CAPACITOR 10M SRA 16V M FM5 TP 5 C902 LG 0CE4775F638 CAPACITOR FIXED ELECTROLYTIC 470UF SR SV 16V 20 FM5 TP 5 C904 LG 0CE4775F638 CAPACITOR FIXED ELECTROLYTIC 470UF SR SV 16V 20 FM5 TP 5 C911 LG 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C912 LG 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP...

Page 124: ...ol No Part No Part Name Description Local R321 NRSA63J 122X MG RESISTOR 1 2K OHM 1 16 W 1608 5 00 D R322 NRSA63J 822X MG RESISTOR 8 2K OHM 1 16 W 1608 5 00 D R324 LG 0RH3303C622 RESISTOR METAL GLAZED CHIP 330K OHM 1 16 W 1608 5 00 D R325 NRSA63J 122X MG RESISTOR 1 2K OHM 1 16 W 1608 5 00 D R326 NRSA63J 123X MG RESISTOR 12K OHM 1 16 W 1608 5 00 D R327 NRSA63J 562X MG RESISTOR 5 6K OHM 1 16 W 1608 5...

Page 125: ...STOR METAL GLAZED CHIP 470K OHM 1 16 W 1608 5 00 D Symbol No Part No Part Name Description Local R542 NRSA63J 222X MG RESISTOR 2 2K OHM 1 16 W 1608 5 00 D R544 NRSA63J 472X MG RESISTOR 4 7K OHM 1 16 W 1608 5 00 D R545 NRSA63J 0R0X MG RESISTOR 0 OHM 1 16 W 1608 5 00 D R546 NRSA63J 562X MG RESISTOR 5 6K OHM 1 16 W 1608 5 00 D R547 NRSA63J 123X MG RESISTOR 12K OHM 1 16 W 1608 5 00 D R548 NRSA63J 104X...

Page 126: ...Local R639 LG 0RH2001C622 RESISTOR METAL GLAZED CHIP 2K OHM 1 16 W 1608 5 00 D R640 LG 0RH2001C622 RESISTOR METAL GLAZED CHIP 2K OHM 1 16 W 1608 5 00 D R641 NRSA63J 122X MG RESISTOR 1 2K OHM 1 16 W 1608 5 00 D R642 NRSA63J 472X MG RESISTOR 4 7K OHM 1 16 W 1608 5 00 D R643 NRSA63J 472X MG RESISTOR 4 7K OHM 1 16 W 1608 5 00 D R646 NRSA63J 472X MG RESISTOR 4 7K OHM 1 16 W 1608 5 00 D R648 NRSA63J 472...

Page 127: ...SISTOR 560 OHM 1 16 W 1608 5 00 D Symbol No Part No Part Name Description Local R906 NRSA63J 561X MG RESISTOR 560 OHM 1 16 W 1608 5 00 D R907 NRSA63J 561X MG RESISTOR 560 OHM 1 16 W 1608 5 00 D R909 NRSA63J 102X MG RESISTOR 1K OHM 1 16 W 1608 5 00 D R910 NRSA63J 102X MG RESISTOR 1K OHM 1 16 W 1608 5 00 D R913 NRSA63J 750X MG RESISTOR 75 OHM 1 16 W 1608 5 00 D R914 NRSA63J 750X MG RESISTOR 75 OHM 1...

Page 128: ...DUCTOR CHIP FI C2012 103KJT 10UH CERATEC Symbol No Part No Part Name Description Local L918 LG 0LCCE00004E INDUCTOR CHIP FI C2012 103KJT 10UH CERATEC L923 LG 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L924 LG 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L925 LG 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L926 LG 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATE...

Page 129: ... LG 556 213C SWITCH DETECTOR THV10912B TACT DC 12 V 5 0 A V TU701 LG 6700PFPL07A TUNER TADM S101D SECAM LGIT LG INOT A TU701 LG 6700PFPL07F TUNER TADM M101D GKI LGIT LG INOTEK B C D E F X301 LG 6212AA2443Z RESONATOR CRYSTAL HC 49S CSC KITELCO 4 433619MHZ X501 LG 6212AA2143F RESONATOR CRYSTAL HC 49U KYUNGIL 14 31818MHZ X502 LG 6202R DA01B RESONATOR CRYSTAL CFS 308 CITIZEN 32 768KHZ X601 LG 6212AA22...

Page 130: ...ed with this product will differ according to the destination Block No M4MM BATTERY 808 PACKING CASING 803 821 INSTRUCTION ASSEMBLY COAXIAL CABLE 810 CABLE ASS Y 801 REMOTE CONTROLLER ASSEMBLY 900 BOX 802 PACKING CASING 803 806 COAXIAL CABLE 811 812 PLUG ASS Y 1WAY PLUG ASS Y 2WAY OPTIONAL PARTS ...

Page 131: ...Z NA7BJJ SWW3 A B 802 LG 3890R C299W BOX VJ9033CSZ NA7BJJ SWW3 A C 802 LG 3890R C310M BOX VJ9033CSZ NA7BJJ SWW3 A D E F 803 LG 3920R E168A PACKING VCR COMBIV9 130 COMBI 806 LG 6850R CAA2H CABLE COAXIAL RF PAL DOUBLE SHIELD DT_HY_HIT 808 BATTERY MANGANESE AAAM R03 SEOTONG 1 5 V 1PA 810 LG 6851R 0054B CABLE ASSEMBLY PAL RF 1 2M FREE OF CD_PB_HG H A B 810 LG 6851R 0055B CABLE ASSEMBLY PAL RF 1 2M FRE...

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