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Hitachi DV-PF3A(S), Service Manual

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Hitachi DV-PF3A(S) Service Manual Download Page 84

26

5-1 Servo/System Control Block Diagram

5  BLOCK DIAGRAMS

M

LOADING

MOTOR

CYLINDER ASSEMBLY

CAPSTAN MOTOR 

DRUM
MOTOR

PG
SENSOR

CONTROL
HEAD

CL287

5

5

CTL(+)

6

6

CTL(-)

CL504

ACE HEAD ASSEMBLY

MAIN CBA

KEY- 1

POWER-LED

DVD-LED

REC-LED

VCR-LED

TIMER-LED

ST-S

T-REEL

REMOTE-VIDEO

CTL(+)

RESET

REC-SAF-SW

PG-DELAY

CTL(-)

D-V-SYNC

D-REC-H

RF-SW

H-A-SW

C-ROTA

END-S

14

94

95

10

4

80

34

2

13

15

18

33

16

31

7

(DECK ASSEMBLY)

T-REEL

Q515

RESET

Q506

S-REEL

79

SW-POINT

AL+5V

VR501

TIMER+5V

S-REEL

PS502

TP502

KEY- 2

8

IIC-BUS SDA

IIC-BUS SDA

IIC-BUS SCL

A-MUTE-H

IIC-BUS SDA

IIC-BUS SCL

Hi-Fi-H-SW

A-MODE

OUTPUT SELECT

A-MUTE-H

Hi-Fi-H-SW

A-MODE

H-A-COMP

17

V-ENV

6

P-ON-H

C-POW

-SW

P-ON-H

C-POW-SW

P-DOWN-L

67

66

86

P-DOWN-L

P-OFF-H

73

P-OFF-H

OUTPUT-SELECT

SW506

TO

VIDEO BLOCK

TO

Hi-Fi AUDIO

BLOCK

TO

AUDIO BLOCK

2

2

KEY-1

4

4

POWER-LED

KEY SWITCH

CL505

D592, 

D593

CL591

AL+5V

FUNCTION CBA

SDA
SCL

IC502 

(MEMORY)

72

32

19

83

IIC-BUS SCL

D-V-SYNC

D-REC-H

RF-SW

H-A-SW

C-ROTA

IIC-BUS SDA

H-A-COMP

V-ENV

58

C-SYNC

C-SYNC

OUTPUT-SELECT

IIC-BUS SCL

71

LD-SW

REMOTE-VIDEO

9

AL+5V

AL+5V

SW507
LD-SW

AL+5V

D555
S-LED

TO

POWER 

SUPPLY 

BLOCK

TP501

Q507

Q502

Q508

D504

Q509

Q511    

S-INH

M

CAPSTAN
MOTOR

IC501

(SERVO/SYSTEM CONTROL)

LINE-MUTE

LINE-MUTE

82

5
6

SENSOR CBA

SENSOR CBA

END-S

ST-S

Q504

Q503

REC-SAFETY

END-S

CTL

97

FF/REW-L

84

Q510

TP503

CTL

74

23

25

29

30

26

POWER

REC

D503

VCR

D502

DVD

TO DVD SYSTEM

CONTROL BLOCK

<DVD SECTION>

TO DVD SYSTEM

CONTROL BLOCK

<DVD SECTION>

KEY
SWITCH

AL+5V

D501

TIMER

CL502

C-FG

C-CONT

D-PFG

C-F/R

90

76

87

78

LM-FWD/REV

81

D-CONT

77

AL+20.5V/+12V

AL+12V(2)
P-ON+15V

P-ON+5V

1

AL+20.5V/+12V

2

P-ON+5V

3

C-FG

4 C-F/R
5 C-CONT
6 GND
7 LM-FWD/REV
8 D-CONT
9 D-PFG

10 GND
11 AL+12V(2)
12 P-ON+15V

M

DRV-DATA

DRV-STB
DRV-CLK

68
69
70

DVD-POWER 

DRV-DATA

DRV-STB
DRV-CLK

DVD-POWER 

21

Summary of Contents for DV-PF3A(S)

Page 1: ...al Media Division Tokai DVD PLAYER VIDEO CASSETTE RECORDER SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT TK No 9307E DV PF3A S June 2003 PAL PROGRAM VIDEO IN TIMER REC DVD OUTPUT VCR L mono AUDIO IN R AV 3 ...

Page 2: ...ment of Tape Path 5 6 1 B X Value Alignment 5 6 1 C Checking Adjustment of Envelope Waveform 5 7 1 D Azimuth Alignment of Audio Control Erase Head 5 7 6 EXPLODED VIEWS AND PARTS LIST 6 1 6 1 EXPLODED VIEWS 6 1 6 1 1 Cabinet Section 6 1 6 1 2 Deck Mechanism View 1 Section 6 2 6 1 3 Deck Mechanism View 2 Section 6 2 6 1 4 Deck Mechanism View 3 Section 6 3 6 2 REPLACEMENT PARTS LIST 6 4 6 2 1 Mechani...

Page 3: ...ng the laser diode be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on Do not look directly at the laser beam Caution Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin CAUTIONS ...

Page 4: ...Note especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before solder ing F Observe that the w...

Page 5: ...nt Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug pron...

Page 6: ...2 Remove the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig 1 3 6 4 Release the flat pack IC from the CBA using twee zers Fig 1 3 6 Caution 1 Do not supply hot air to the chip parts around the f...

Page 7: ... of the flat pack IC you can remove it easily Fig 1 3 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig 1 3 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig 1 3 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire...

Page 8: ...due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is prop erly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi c...

Page 9: ...aw ings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All voltages are DC voltages unless otherwise specified Values in schematic diagrams The values dielectric strength power capacitance and tolerances of the resistors excluding variable resistors and capacitors are indicated in the sche matic diagrams...

Page 10: ...e parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Voltage indications for PLAY and REC modes on the schematics are as shown below 6 How to read converged lines 7 Test Point Information 2 3 1 5 0 2 5 PLAY mode STOP mode 5 0 The same voltage for...

Page 11: ...0 V p p Audio input level 10 dBV Video S N ratio 40 dB or more Audio S N ratio 36 dB or more Hi Fi audio Frequency characteristic 20 20 000 Hz Dynamic range 70 dB or more DVD section Disc used DVD video disc Music CD disc Audio frequency characteristic DVD linear audio 20 Hz 22 kHz 48 kHz sampling frequency 20 Hz 44 kHz 96 kHz sampling frequency Music CD 20 Hz 20 kHz JEITA Signal Noise S N ratio C...

Page 12: ... English Stereo CM Skip Feature Auto Clock Feature Number of Timer Programming 8 Program year 7 Program year Self Diagnosis Function O 4 Modes Back up Time 30 s 60 s NTSC on PAL TV O Surge Absorber Auto Power Off Feature O Local Broadcast Setting O Multi Search Feature O Index Time Search Quick Find O Index Time Search Search Speed SP X5 X7 NTSC X5 LP X5 X11 FF REW Time E 180 Tape FF approx 100 s ...

Page 13: ...al Audio Out Optical Coaxial O O Dolby Digital 5 1 ch Decode DTS Digital Out O Virtual Surround O Dynamic Range Compression Dolby Digital O DVD Audio Search Speed 2 to 100 FORWARD REWIND DVD 2 8 50 100 CD 16 2 to 60 FORWARD REWIND DVD 2 8 30 60 CD 16 Slow Speed 1 16 1 8 1 2 FORWARD REWIND 1 16 1 8 1 2 FORWARD only IP Search Smooth 2x Play O 2x Play with Audio Step Forward Reverse O Still Picture S...

Page 14: ...back mode Rewind Search 13 REC I Button VCR Press once to start a recording Press repeatedly to start a One Touch Recording 14 REC Light Lights up during recording 15 TIMER Light This light glows when the DVD VCR is in standby mode for a timer recording or during a One Touch Recording It flashes if TIMER is pressed for a timer recording but there is no tape in the DVD VCR It flashes when all timer...

Page 15: ... mode 52 Number Buttons DVD mode Press to directly select a Track Audio CD for playback 27 ZOOM Button Enlarges part of a DVD reproduced image 28 CLEAR C RESET Button DVD mode Press to reset the setting VCR mode Press to reset the counter 29 ANGLE Button Press to change the camera angle to see the sequence being played back from a different angle 30 SUBTITLE Button Press to select the desired subt...

Page 16: ... ANTENNA IN Jack on your TV 3 AV2 DECODER Socket Connect 21 Pin scart cable here and to the 21 Pin scart jack of a decoder 4 AV1 TV Socket Connect 21 Pin scart cable here and to the 21 Pin scart jack of a TV If your TV has RCA type audio and video input jacks you may connect to your DVD VCR s AV1 TV scart socket through the 21pin RCA adapter supplied 5 S VIDEO OUT Jack DVD only Connect an optional...

Page 17: ...en the output voltage fluctuates No Yes Does the secondary side photo coupler circuit operate normally Check the circuit and service it if defective IC1001 D1012 D1024 Check the circuit and service it if defective IC1001 Q1009 D017 FLOW CHART NO 4 When buzz sound can be heard in the vicinity of power circuit Check if there is short circuit on the rectifying diode and the circuit in each rectifying...

Page 18: ...normally Is 5V voltage supplied to Pin 1 of IC1052 Replace IC1004 Is the H pulse approximately 5V inputted into the base of Q1052 Replace Q1052 See FLOW CHART NO 8 P ON 12V is not outputted Yes No No Is approximately 2 35V voltage supplied to Pin 1 of IC1051 FLOW CHART NO 10 EV 1 5V is not outputted Replace IC1051 Check D1030 C1035 C1107 and their periphery and service it if detective FLOW CHART N...

Page 19: ... of IC612 Are the filament voltage applied between 1 2 and 34 35 of the fluorescent display tube Also negative voltage applied between these pins and GND Replace the fluorescent display tube IC611 Check the EV 3 3V line and service it if detective Check the FL 28V line and service it if detective Check R2060 IC612 and their periphery and service it if detective Check the power circuit D1016 D1017 ...

Page 20: ...001 remote control receiver and Pin 22 of CN1051 and service it if detective Is the L pulse sent out from Pin 1 terminal of the RM2001 remote control receiver when the remote control unit is activated Is the L pulse signal supplied to Pin 22 of CN1051 Replace the DVD Main CBA Yes Yes Replace DVD Main CBA Yes Yes Is 5V voltage supplied to Pin 3 terminal of the RM2001 remote control receiver Yes No ...

Page 21: ...the DVD Main CBA Original DVD Main CBA is poor Replace the DVD Mechanism No improvement can be found No FLOW CHART NO 7 The No Disc indication When the laser beam does not light Yes Replace the DVD Main CBA Original DVD Main CBA is poor Replace the DVD Mechanism No improvement can be found No FLOW CHART NO 8 Both picture and sound do not operate normally Yes Replace the DVD Main CBA Original DVD M...

Page 22: ...N1601 5PIN IC1402 12PIN B Are the video signals shown above inputted into each pin of IC1402 Are the video signals outputted to each pin of IC1402 Are the video signals outputted to the specific output terminal Are the RGB video signals outputted to the Scart jack JK101 Are the luminance signals outputted to the S OUT terminal JK1401 Are the chroma signals outputted to the S OUT terminal JK1401 Ye...

Page 23: ... CN1601 and each pin of IC1201 on Main CBA and service it if detective CN1601 13PIN IC1201 2PIN DVD A L CN1601 15PIN IC1201 6PIN DVD A R Are the analog audio signals inputted to each pin of IC1201 Are the analog audio signals outputted to each pin of IC1201 Are the audio signals outputted to the specific output terminal Are the audio signals outputted to the L R OUT terminal JK751 Are the audio si...

Page 24: ...minal voltage of IC501 7 8 KEY 1 IC501 7 KEY 2 IC501 8 V Replace the RM2001 remote control receiver Or replace remote control unit Check the line between the RM2001 remote control receiver and the Pin 14 of IC501 and service it if detective Replace IC501 Is the L pulse sent out from Pin 1 terminal of the RM2001 remote control receiver when the remote control unit is activated Is the L pulse signal...

Page 25: ...if detective While the Takeup Reel is rotating is the reel pulse signal inputted to Pin 80 of IC501 While the reel pulse signal is inputting is L pulse inputted to Pin 81 of IC501 Is the specified voltage approximately 13V outputted to the terminal of the Lading Motor Unit When loading a cassette tape does the LD SW operate normally When loading a cassette tape is the specified voltage approximate...

Page 26: ...f IC501 and service it if detective Check the AL 12V line and service it if detective Check the AL 12V line and service it if detective Replace IC501 No No No No No No No No No No No Yes Yes Yes Is 5V voltage supplied to Pin 2 of CL502 Is the drum PG FG signal inputted to Pin 90 of IC501 Is the drum PG FG signal inputted to Pin 90 of IC501 Is 12V voltage supplied at Pin 1 11 of CL502 Is the RF SW ...

Page 27: ...tted into Pin 9 of IC751 Yes Replace IC751 Is approximately 6 8V voltage supplied to Pin 16 of IC751 or approximately 8V voltage supplied to Pin 7 of IC751 Check Q752 and the OUTPUT SELECT line and service it if detective No Check the AL 12V line R752 D751 and the AL 30V line R751 R753 and service it if detective Check the line between Pin 67 of IC301 and Pin 58 of IC501 and service it if detectiv...

Page 28: ...8 Pin 54 Pin 6 Pin 52 Pin 4 Pin 50 Scart jack 1 JK101 Pin 10 Pin 56 Scart jack 2 JK1402 Tuner audio signal Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No No No No No Check the line between Pins 4 50 of IC451 and Pin 22 of tuner and service it if detective Check the line between Pins 37 38 of IC451 and Pins 71 72 of IC501 and service it if detective Check the line between Pin 53...

Page 29: ...al outputted to Pin 100 of IC301 Yes Yes Replace ACE head Yes Yes No No No No Check the Hi Fi H SW line between Pin 39 of IC451 and Pin 19 of IC501 and service it if detective Check the line between Pin 78 of IC451 and Pin 13 15 17 of IC301 and service it if detective Check the Bias oscillation circuit Q401 Q403 Q404 Q405 Q406 and service it if detective Replace IC451 Replace IC451 No Replace IC30...

Page 30: ...t on the surface of ACE head Is the audio signal supplied to Pin 9 of IC301 Replace IC301 Is the audio signal outputted to Pin 11 of IC301 Check the line between Pin 11 of IC301 and Pin 80 of IC451 and service it if detective Service and replace poor parts Readjust the height of the ACE head Clean the surface of ACE head Yes Yes Is the height of ACE head appropriate Yes Replace the ACE head Yes No...

Page 31: ... available 6 Unplug the AC cord from the AC outlet Then plug it 7 To exit this mode press POWER button 3 2 2 How to Verify the Firmware Ver sion 1 After making sure that no disc is in unit turn the power on 2 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order The B E version appears on the VFD and the F E and B E versions appear on TV screen 3 Turn the power off to reset th...

Page 32: ...r to Deck Exploded Views h Hours Check I Change Deck Periodic Service Schedule Ref No Part Name 1 000 h 2 000 h 3 000 h 4 000 h B2 Cylinder Assembly I I B3 Loading Motor Assembly I B8 Pulley Assembly HI I I B587 Tension Lever Assembly I I B31 AC Head Assembly I B573 B574 Reel S Reel T I B37 Capstan Motor I I B52 Cap Belt I I B73 FE Head Assembly I B86 F Brake Assembly HI I I B133 Idler Assembly HI...

Page 33: ...s made of very hard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained chamois cloth Cleaning of ACE Head Clean the head with a cotton swab Procedure 1 Remove the top cabinet 2 Dip the cotton swab in 90 Isopropyl alcohol and clean the ACE head Be careful no...

Page 34: ... 1 7 S 1 2 Front Assembly 4 1 2 S 2 7 L 1 1 1 1 1 2 3 Top Bracket 4 1 2 2 S 3 2 S 3A 4 DVD Mecha Assembly 4 1 3 3 S 4 CN302 CN401 CN601 5 DVD Main CBA 4 1 4 2 S 5 CN201 CN301 2 2 1 2 2 2 3 3 6 Rear Unit 4 1 5 5 S 6 4 S 7 CN003 1 Top Cover 4 DVD Mecha Assembly 2 Front Assembly 3 Top Bracket 6 Rear Unit 5 DVD Main CBA 18 Side Bracket 10 VCR Chassis Unit 12 Main CBA 15 Jack CBA 17 Deck Pedestal 14 Fu...

Page 35: ...CN301 from it If you disconnect the FFC cable CN301 the laser diode of pickup will be destroyed Fig 4 1 4 2 3 Disconnect Connector CN201 Remove two Screws S 5 and lift the DVD Main CBA Fig 4 1 4 CAUTION 3 When reassembling confirm the FFC cable CN301 is connected completely Then remove the solder from the three short lands of FPC cable Fig 4 1 4 CAUTION 4 When reassembling solder wire jumpers as s...

Page 36: ...dering View for B Slide S 5 CN201 5 DVD Main CBA DVD Mecha S 5 CN301 Fig 4 1 4 S 7 S 6 S 7 6 Rear Unit S 7 CN003 Fig 4 1 5 9 Rear Panel 7 Power Supply CBA 8 PCB Bracket S 9 S 8 S 8 S 8A S 8A Fig 4 1 6 10 VCR Chassis Unit S 11A S 11A S 10 S 10 S 10 S 11 S 11 Fig 4 1 7 ...

Page 37: ...le Shaft Cam Gear 12 Main CBA 11 Deck Assembly 12 Main CBA SW507 LD SW Pin BOTTOM VIEW Lead connections of Deck Assembly and Main CBA Desolder Desolder From FE Head From Cylinder Assembly From ACE Head Assembly Lead with white stripe Lead with blue stripe From Capstan Motor Assembly Printing side Fig 4 1 8 ...

Page 38: ...lder Lead with blue stripe Desolder Lead with blue stripe Fig 4 1 9 S 13 18 Side Bracket S 14 S 13 17 Deck Pedestal Fig 4 1 10 DVD Mecha Deck Assembly Tray Top Cover 3 2 Rotate this roulette in the direction of the arrow 1 2 To Remove the Disc Manually 1 Remove the Top Cover 2 Rotate this roulette in the direction of the arrow as shown below ...

Page 39: ...sembly T 4 2 1 4 2 7 Desolder LDG Belt 2 S 3 9 9 AC Head Assembly T 4 2 1 4 2 7 S 4 10 2 Tape Guide Arm Assembly T 4 2 1 4 2 8 P 2 11 10 C Door Opener T 4 2 1 4 2 8 L 4 12 11 Pinch Arm B T 4 2 1 4 2 8 P 3 13 12 Pinch Arm Assembly T 4 2 1 4 2 8 14 14 FE Head Assembly T 4 2 1 4 2 9 S 5 15 15 Prism T 4 2 1 4 2 9 S 6 16 2 Slider Shaft T 4 2 10 L 5 17 16 C Drive Lever SP T 4 2 10 18 16 C Drive Lever TU...

Page 40: ...y B 4 2 2 4 2 14 Refer to Alignment Sec Page 4 13 35 34 Loading Arm TU Assembly B 4 2 2 4 2 14 Refer to Alignment Sec Page 4 13 36 16 26 M Brake TU Assembly HI T 4 2 1 4 2 15 37 2 26 M Brake SP Assembly HI T 4 2 1 4 2 15 P 6 38 37 Tension Lever Assembly T 4 2 1 4 2 15 39 38 T Lever Holder T 4 2 15 L 10 40 40 M Gear HI T 4 2 1 4 2 15 C 6 41 15 40 Sensor Gear HI T 4 2 1 4 2 15 C 7 42 36 40 Reel T T ...

Page 41: ...4 8 14 13 11 10 12 7 49 8 32 43 41 40 31 42 45 44 46 9 36 15 38 37 Fig 4 2 1 Top View 34 19 35 25 26 24 23 27 33 20 28 22 Fig 4 2 2 Bottom View ...

Page 42: ... pull up the right side on 2 to release Pin A and Pin B from the slots A Then remove Pin C and Pin D on 2 from the slots B as shown 2 Pin A Slots B Pin C Pin B Pin D Pull up Slide Slot A Slot A 1 2 A 3 4 5 6 L 1 L 2 P 1 Fig 4 2 5 L 3 S 1A S 1B L 12 49 50 7 S 2 A Fig 4 2 6 View for A Desolder from bottom Lead with Red Stripe ...

Page 43: ...e A 8 9 S 4 S 3 LDG Belt Fig 4 2 8 11 13 12 A 10 L 4 Adj Screw P 3 P 2 27 When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 27 as shown Pin of 12 Pin of 10 Groove of 27 View for A Fig 4 2 9 14 15 S 6 S 5 Fig 4 2 10 17 16 18 S 7 L 5 P 4 ...

Page 44: ... 4 2 13 Align 26 and 27 as shown Bottom View 27 Pin of 36 Pin of 33 Position of Mode Lever when installed Pin of 37 26 When reassembling 27 meet the first groove on 27 to the first tooth on 44 as shown 27 Top View First tooth on 44 First groove on 27 27 31 C 3 26 C 4 25 C 2 28 29 30 C 5 S 9 24 23 L 7 L 8 ...

Page 45: ...4 12 Refer to the Alignment Section Page 4 13 Fig 4 2 14 33 32 L 9 P 5 34 35 Fig 4 2 15 37 39 turn turn 42 43 38 P 6 turn 36 L 10 40 41 C 6 C 7 Fig 4 2 16 44 45 46 L 11 47 48 Slide Fig 4 2 17 ...

Page 46: ...electrical parts Alignment points in Eject Position Alignment 1 Loading Arm SP and TU Assembly Install Loading Arm SP and TU Assembly so that their triangle marks point to each other as shown in Fig 4 3 2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm TU Assembly so that the last tooth of the gear meets the most inside teeth of the Mode Gear See Fig ...

Page 47: ... the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP501 SENSOR INHIBITION to GND This will stop the function of Tape Start Sensor Tape End Sensor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sensors will stay valid See Fig 5 1 1 Note Because the Tape End Se...

Page 48: ...wdriver 5 2 FIXTURE AND TAPE FOR ADJUSTMENT 5 2 1 How To Use The Fixtures And Tape Item No Name Part No Adjustment 1 Alignment Tape 7099052 I Head Switching Point I Tape Interchangeability Alignment 2 Guide Roller Adj Screwdriver 7099028 I Guide Roller 3 Flat Screwdriver Purchase Locally I X Value Alignment ...

Page 49: ...trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape MH 2 5 3 2 Head Switching Position Adjustment Purpose To determine the Head Switching point during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Reference Notes Playback the Alignment tape and adjust VR501 so that the V sync front edge of the CH1 video output wave f...

Page 50: ...the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig 5 4 1 until the Moving guide prepara tions come to the Eject Position Stop turning when the preparations begin clicking or can not be moved further However the tape will be left wound around the cylinder 5 Turn the LDG Belt in the appropriate direction con tinuously and the cassett...

Page 51: ...ue and envelope Not good Do the final tape traveling test to see that the tape runs normally in play mode with out creasing or slacking Completion Not good OK OK OK Not good Not good OK Flowchart of Alignment for tape traveling 1 A 1 A 1 B 1 C 1 C 1 D 1 D 1 B 1 C 1 B 1 C 1 A 5 4 2 Tape Interchangeability Alignment Note To do these alignment procedures make sure that the Tracking Control Circuit is...

Page 52: ...ontal Position of the Audio Control Erase Head Symptom of Misalignment If the Horizontal Position of the Audio Control Erase Head is not properly aligned maximum envelope can not be obtained at the Neutral position of the Tracking Control Circuit 1 Connect the oscilloscope to TP301 C PB and TP503 CTL on the Main CBA Use TP504 RF SW as a trigger 2 Playback the Gray Scale of the Alignment Tape MH 2 ...

Page 53: ...er to Fig 5 4 3 so that the waveform looks like the one shown in Fig 5 4 9 4 If the envelope is as shown in Fig 5 4 8 adjust the height of Guide Roller 3 Refer to Fig 5 4 3 so that the waveform looks like the one shown in Fig 5 4 9 5 When Guide Rollers 2 and 3 Refer to Fig 5 4 3 are aligned properly there is no envelope drop either at the beginning or end of track as shown in Fig 5 4 9 Note Upon c...

Page 54: ...MAT SENSOR CBA COMPONENT REPLACEMENT SENSOR CBA COMPONENT REPLACEMENT DVD OPEN CLOSE CBA COMPONENT REPLACEMENT POWER SUPPLY CBA COMPONENT REPLACEMENT JUNCTION CBA COMPONENT REPLACEMENT 1B2 DVD MECHANISM UNIT REPLACEMENT ORDER FORMAT JACK CBA COMPONENT REPLACEMENT A4 2B2 2B3 2L011 A2 2L021 2L021 2L021 A20 2L011 2L011 2L011 2L011 A B C 2B15 2B15 2B46 C A B A1X A29 A29 AFV CBA COMPONENT REPLACEMENT F...

Page 55: ... 4 H I J 1 2 3 4 K L M Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 SANKOUL FG84M Yellow grease Bottom Side Grease point Bottom Side Grease point B516 B52 B507 B488 B568 B491 B565 B525 B592 B31 L1406 B148 B521 B590 B487 B573 B574 B499 B587 B508 B3 B417 B584 B591 B522 B414 B416 B518 B564 B572 B559 B581 B133 B551 B583 B580 B582 A View for A B578 B579 B579 B585 B513 6 1 2 ...

Page 56: ... 1 4 Deck Mechanism View 3 Section B303 B555 B563 B300 B562 B482 B355 B354 B483 B425 B347 B361 B359 B529 B360 B514 B313 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 1 2 3 4 N O P ...

Page 57: ...ING B414 TS18449 M BRAKE SP ASSEMBLY B416 TS18451 M BRAKE TU ASSEMBLY B417 TJ16944 TENSION SPRING B425 TJ15185 LOCK LEVER SPRING B482 TJ16908 CASSETTE PLATE B483 TJ16909 LOCK LEVER SYMBOL NO P NO DESCRIPTION B487 TJ16911 BAND BRAKE SP B488 TJ17198 MODE LEVER B491 TJ16946 CAM GEAR A B492 TJ17199 MODE GEAR B494 TJ16915 CASSETTE DOOR OPENER B499 TJ16916 T LEVER HOLDER B501 TJ16917 WORM HOLDER B507 TJ...

Page 58: ... L1001 TA12575 BEAD CORE L1002 TA12575 BEAD CORE L1003 TJ17398 LINE FILTER 56MH L1004 TA12575 BEAD CORE J9 TA12575 BEAD CORE J922 TA12575 BEAD CORE COILS X1 TC12623 X TAL 18 432MHZ X301 TJ14708 X TAL 4 433619MHZ X501 TE15284 X TAL 12 000MHZ X502 TJ15148 X TAL 32 768KHZ 20PPM MISCELLANEOUS SYMBOL NO P NO DESCRIPTION CN1 TE15287 ANGLE PIN HEADER 9P CN701 TS17736 AFV PCB ASSEMBLY CN1051 TE15481 FMN C...

Page 59: ...BA CN302 JW003 CN1051 CN1601 EV 1 5V EV 1 5V EV 3 3V EV 1 5V EV 3 3V GND GND GND GND GND GND GND EV 9V P ON 5V EV 9V FP STB P ON 3 3V FP DIN PWRCON OUT SEL REMOTE DVD FP CLK VIDEO R VIDEO Y ASPECT VIDEO B GND GND VIDEO G GND VIDEO C GND GND DVD A L DVD A L MUTE DVD A R DVD A MUTE AUDIO 5V DVD A R MUTE SPDIF TO WIRING DIAGRAM DVD SECTION KEY 1 1 GND 2 POWER LED 3 AL 5V 1 4 1 2 3 4 AFV CBA DVD OPEN ...

Page 60: ...Y OUT TRAY IN GND 5 6 SP 7 SP 8 SL 9 SL FG IN P ON 3 3V D TRAY IN DRIVE CBA FG CBA FG SENSOR TRAY OUT M SLED MOTOR M SPINDLE MOTOR EV 1 5V EV 1 5V EV 3 3V EV 1 5V EV 3 3V GND GND GND GND GND 1 2 3 4 5 6 7 8 9 10 GND GND EV 9V P ON 5V EV 9V FP STB P ON 3 3V FP DIN PWRCON OUT SEL 11 12 13 14 15 16 17 18 19 20 ASPECT VODEO Y GND VIDEO R VIDEO B GND VIDEO G GND VIDEO C GND 1 2 3 4 5 6 7 8 9 10 DVD A M...

Page 61: ...3 2 1 Main 1 9 Schematic Diagram 2 SCHEMATIC DIAGRAMS ...

Page 62: ...4 2 2 Main 2 9 Sensor Schematic Diagrams Note When it is necessary to replace one or more of the following Diodes all four should be replaced D501 D502 D503 D504 1 ...

Page 63: ...5 2 3 Main 3 9 Schematic Diagram ...

Page 64: ...6 2 4 Main 4 9 Schematic Diagram ...

Page 65: ...7 2 5 Main 5 9 Schematic Diagram ...

Page 66: ...8 2 6 Main 6 9 Schematic Diagram ...

Page 67: ...9 2 7 Main 7 9 Schematic Diagrams ...

Page 68: ...10 2 8 Main 8 9 DVD OPEN CLOSE Schematic Diagrams ...

Page 69: ...11 2 9 Main 9 9 Schematic Diagrams ...

Page 70: ...st fire hazard replace only with the same type fuse CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail ...

Page 71: ...13 2 11 Jack Schematic Diagram ...

Page 72: ...14 2 12 Function Schematic Diagrams Note When it is necessary to replace one or more of the following Diodes all one should be replaced D592 D593 2 ...

Page 73: ...15 2 13 AFV Schematic Diagram ...

Page 74: ...16 2 14 DVD Main 1 3 Schematic Diagram ...

Page 75: ...17 2 15 DVD Main 2 3 Schematic Diagram ...

Page 76: ...0 1 127 2 0 2 0 32 64 0 8 0 8 96 3 4 3 4 128 2 0 2 0 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 0 2 0 161 0 5 0 5 193 225 1 9 1 9 130 2 2 2 2 162 1 4 1 4 194 0 0 226 3 3 3 3 131 2 3 2 3 163 195 3 3 3 3 227 132 0 4 0 1 164 0 9 0 9 196 228 133 1 2 0 4 165 3 3 3 3 197 229 134 0 4 0 1 166 1 5 1 5 198 0 0 230 0 0 135 0 2 0 2 167 0 0 199 231 136 2 3 2 3 168 2 1 2 1 200 232...

Page 77: ...19 2 16 DVD Main 3 3 Schematic Diagram ...

Page 78: ...5msec WF8 AUDIO R Pin 15 of CN1601 1V WF9 SPDIF Pin 18 of CN1601 1V 0 1µsec NOTE Input CD 1kHz PLAY WF7 WF9 DVD POWER ON STOP MODE WF4 WF6 V OUT E E 10usec 50mV x 10 WF3 TP751 of Main CBA WF3 UPPER WF1 LOWER V OUT 0 1V x 10 RF SW 0 5V x 10 50usec TP751 of Main CBA TP504 of Main CBA WF2 C PB 10mV x 10 RF SW 0 5V x 10 5msec UPPER LOWER WF1 TP504 of Main CBA TP301 of Main CBA ...

Page 79: ...21 SW P VR501 CTL TP503 V OUT TP751 WF3 C PB TP301 WF2 RF SW TP504 WF1 S INH TP501 4 1 Main CBA Top View Sensor CBA Top View 4 CIRCUIT BOARD DIAGRAMS Sensor CBA Top View ...

Page 80: ...22 4 2 Main CBA Bottom View ...

Page 81: ...23 4 3 Function CBA Top Bottom View DVD OPEN CLOSE CBA Top Bottom View Function CBA Top View Function CBA Bottom View DVD OPEN CLOSE CBA Top View DVD OPEN CLOSE CBA Bottom View ...

Page 82: ...SFORMER IS REQUIRED CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail Junction CBA Top View Junction CBA Bottom View NOTE T...

Page 83: ...25 Jack CBA Top View Jack CBA Bottom View 4 5 JACK CBA Top Bottom View AFV CBA Top Bottom View AFV CBA Top View AFV CBA Bottom View ...

Page 84: ... BLOCK 2 2 KEY 1 4 4 POWER LED KEY SWITCH CL505 D592 D593 CL591 AL 5V FUNCTION CBA SDA SCL IC502 MEMORY 72 32 19 83 IIC BUS SCL D V SYNC D REC H RF SW H A SW C ROTA IIC BUS SDA H A COMP V ENV 58 C SYNC C SYNC OUTPUT SELECT IIC BUS SCL 71 LD SW REMOTE VIDEO 9 AL 5V AL 5V SW507 LD SW AL 5V D555 S LED TO POWER SUPPLY BLOCK TP501 Q507 Q502 Q508 D504 Q509 Q511 S INH M CAPSTAN MOTOR IC501 SERVO SYSTEM C...

Page 85: ...R 48 50 52 56 24 6 50 52 19 20 JK101 V OUT1 V IN1 61 63 96 95 94 93 90 89 88 87 CHARA INS CCD 1H DELAY SP BYPASS MUTE PB EE IN1 TUNER IN1 TUNER MUTE PB EE FRT IN2 FRT IN2 AGC P R R Y C P R P R P LP Y DELAY Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 29 28 69 68 46 43 84 83 71 62 70 D REC H 80 BUFFER Q104 DVD VCR TP751 V OUT WF3 TU VIDEO VIDEO BUFFER Q301 MAIN CBA 54 TP504 RF SW WF1...

Page 86: ...SP LP ON P TUNER IN2 IN1 R ALC DET ALC IC301 AUDIO SIGNAL PROCESS 15 13 17 4 A PB REC CL504 3 A COM 1 AE H 2 AE H FE H A PB REC 4 A COM 3 AE H 1 AE H FE H 2 CL287 AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD 2 FE H 1 FE H GND CL501 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 71 A MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK FULL ERASE HEAD 68 69 SERIAL DECODER DE...

Page 87: ...A R 7 Hi Fi COM 8 Hi Fi A L 9 CL251 IC451 MTS SAP Hi Fi AUDIO PROCESS Hi Fi HEAD AMP REC AUDIO SIGNAL PB AUDIO SIGNAL Mode SP REC DVD AUDIO SIGNAL AFV CBA JK101 A OUT1 R A OUT1 L 2 6 2 6 1 3 1 3 JK1402 A IN2 R A IN2 L A IN1 R A IN1 L A OUT2 R A OUT2 L TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 CN701 CN1 TU701 SIF AUDIO 22 2 ALC SW SW ALC 67 65 Q451 MUTE ON MUTE ON REAR JK751 A OUT R A OUT L JK754 A I...

Page 88: ...OR VOLTAGE DET T001 MAIN CBA POWER SUPPLY CBA Q1009 SHUNT REGULATOR REG HOT CIRCUIT BE CAREFUL 20 19 18 17 16 15 14 13 12 11 1 EV 1 5V 2 EV 1 5V 3 EV 1 5V 4 EV 3 3V 5 EV 3 3V 13 P ON 5V 14 EV 9V 15 EV 9V 17 P ON 3 3V 19 PWRCON C POW SW P ON 5V P ON H P DOWN L P ON 44V AL 30V AL 12V AL 12V TIMER 5V AL 9V AL 5V AL 20 5V 12V Q053 Q054 SW 44V Q1053 Q1054 SW 12V Q055 SW 9V Q056 SW 5V Q051 Q052 SW 20 5V...

Page 89: ...MHz OSC SPINDLE MOTOR DRIVE TRACKING ACTUATOR DRIVE EXT CLOCK CLK33M BE CLOCK 172 170 150 TRAY OUT TRAY IN FG IN 97 SLD 70 SPDL 71 TRACKING DRIVE 152 FOCUS DRIVE 60 66 TO DVD VIDEO AUDIO BLOCK DIAGRAM 51 ADAC MD 50 ADAC MC 96 ADAC ML ADAC MC ADAC ML PCM SCLK 95 A MUTE ADAC MD A MUTE 17 92 FSEL IC202 OP AMP 3 1 114 146 RESET 68 RESET IC461 5 4 3 3V TRAY OUT TRAY IN FOCUS SERVO SIGNAL TRACKING SERVO...

Page 90: ... TIMER WATCH DOG TIMER 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 124 125 122 123 128 129 126 127 131 130 135 133 132 134 78 DEBUG BCU INST CACHE D TYPE LATCH DATA CACHE D A D A D A TO DVD VIDEO AUDIO BLOCK DIAGRAM 163 164 Y C R G VIDEO Y VIDEO C VIDEO R VIDEO G TO DVD VIDEO AUDIO BLOCK DIAGRAM 181 SPDIF 175 PCM BCK 176 PCM DATA0 174 PCM LRCLK 161 158 EXT ADT 0 15 EXT ADR 16 19 EXT AD...

Page 91: ... L DVD A R PCM BCK SPDIF PCM DATA0 PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK MAIN CBA DVD MAIN CBA DVD AUDIO SIGNAL DATA AUDIO SIGNAL 18 18 SPDIF A MUTE 3 3V Q1204 WF9 3 WF7 WF8 CN601 1 1 VIDEO Y 9 9 VIDEO C 3 3 VIDEO R 7 7 VIDEO G 5 5 VIDEO B VIDEO Y VIDEO C VIDEO R VIDEO G JK1401 S VIDEO OUT CN1601 3 4 2 1 IC1402 VIDEO DRIVER 28 4dB AMP 2dB AMP LPF DRIVER Y C 31 2dB AMP DRIVER 4dB AMP 2dB AMP L...

Page 92: ...REV LM FWD REV L Stop A Loading Stop B Unloading Note Symbol Loading Status EJ Eject CL Eject REW Reel SB REW Reel Stop B TL Stop B Brake Cancel FB Brake Cancel FF REW SF FF REW Stop M FF REW SM Stop M FF REW Stop A AU Stop A Play REC AL Play REC Still Slow SS Still Slow RS REW Search RS RS REW Search Still Slow Control Frame Advance Timing Chart 1 SP Mode 18 RF SW F AD Internal Signal C DRIVE PB ...

Page 93: ...nternal Signal C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA STILL STILL AT ST BL Stop detection T2 Acceleration Detection T1 Slow Tracking Value Reversal Limit Value FRAME ADVANCE The first rise of RF SW after a rise in F AD signal 20ms Fig 2 ...

Page 94: ...D LD REV LD REV 0 5s PIN NO CL EJ SS SS AU AU TL LD SW CL SS LM FWD M REV C DRIVE Z ON ON REC EE PB C F R DRUM ROTATION P ON A MUTE H D REC H YCA DATA PAUSE SLOW AU AL AL AU SF SM EJ AU RS SF SM TL FB AL SB 9 81 78 67 83 33 POWER OFF STOP PLAY RS FS STILL SLOW PLAY STOP PLAY DISPLAY SB TL SB FB SM AL AL RS AU AL SS AU AL SM 0 8s 0 2s 0 3s 1 0s 0 2s 1 5s 0 5s 0 2s 0 8s 0 2s 1 2s 0 2s 20ms 0 4s 40ms...

Page 95: ...REV FF LD REV LD REV LD FWD LD FWD LD FWD LD FWD LD FWD LD FWD LD FWD REC PAUSE REC REC REW LD FWD LD REV LD REV LD REV LD REV LD REV LD REV PAUSE REC or PAUSE STOP EJECT STOP EJECT STOP EJECT 2 STOP A FF STOP A REW STOP A REC PAUSE PAUSE or REC STOP A EJECT STOP FF STOP REW STOP REC REC REC PAUSE STOP FB FB SF SF SM SM AL AL SM AL AL AL AU AU SM TL SB EJ RS RS SM SM SF AU AU SS SS SS SF AU AL AL ...

Page 96: ...Play Tray Open Tray IN TL221 3 3V 0V 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Tray OUT TL220 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive Tracking Drive TP302 Tray Close Disc Rotation Play Disc Stop Tray Open ...

Page 97: ...19 OUT Hi Fi H SW HiFi Audio Head Switching Pulse H L 20 NU Not Used 21 OUT DVD POWER DVD Power Control Signal H 22 NU Not Used 23 OUT POWER LED POWER LED Signal Output H L 24 NU Not Used 25 OUT TIMER LED TIMER LED Signal Output H L 26 OUT REC LED REC LED Signal Output H L 27 NU Not Used 28 NU Not Used 29 OUT DVD LED DVD LED Signal Output H L 30 OUT VCR LED VCR LED Signal Output H L 31 IN REC SAF ...

Page 98: ... P on H H L 76 OUT C CONT Capstan Motor Control Signal PWM 77 OUT D CONT Drum Motor Control Signal PWM 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H H L Pin No IN OUT Signal Name Function Active Level 79 IN S REEL Supply Reel Rotation Signal PULSE 80 IN T REEL Take Up Reel Rotation Signal PULSE 81 OUT LM FWD REV Loading Motor Control Signal H L Hi z 82 OUT LINE MUTE Audio Mute Cont...

Page 99: ...nput 4 In K2 Key Data 2 Input 5 VSS GND 6 VDD Power Supply 7 Out a Segment Output 8 b 9 c 10 d 11 e 12 f 13 g 14 h 15 VEE Pull Down Level 16 Out i Segment Output 17 Out 7G Grid Output 18 6G 19 5G 20 4G 21 3G 22 2G 23 1G 24 VDD Power Supply 25 VSS GND 26 In OSC Oscillator Input 27 Out DOUT Serial Data Output 28 In DIN Serial Data Input ...

Page 100: ... GR TPE2 2SA1020 Y 2SC3266 Y TPE2 KTA1281 Y KTC3205 Y E C B A K C E LTV 817 B C F EL817 A B C G D S 2SK3566 1 4 8 5 NJM4558D KIA4558P 1 2 3 4 PQ070XF01SZ 81 80 31 100 50 30 1 51 QSZAC0RMB159 LA71750EM MPB E 16 9 8 TC4053BF N BU4053BCF E2 1 MID 32A22 PT204 6B 12 E C 35 7 BT 292GN 1 5 4 8 1 CAT24WC02JI BR24C02F W 28 15 14 PT6313 S TP 1 0C 0805T 002 GP1FA512TZV 1 2 3 34 18 17 MM1567AJBE 1 33 MSP3417G...

Page 101: ...DV PF3A S No 9307E TK Digital Media Division Tokai ...

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