JVC HR-XVC25UC Скачать руководство пользователя страница 72

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The Parts Number, value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts, refer to the Parts List.

Note :

2-11

2-12

IC701

AN3663FBP

HI-FI/AUDIO/HEAD AMP/DEM IC

D702

MTZJ5.1B

D701

1SS133

AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)

L704

10uH

L702_1 22uH 0305

L703

100uH 0305

L701_1

22uH

0305

W803

TP701

HIFI ENV.

W845

C761

6.3V

C727

16V

MH7

C714

16V

MH7

C702

3.3

50V

MH7

C742

16V

MH7

C741

16V

MH7

C711

50V

C709

50V

C720

50V

C737

4.7

50V

C735

4.7

50V

C747

50V

C754

16V

C708_1

16V

C740

25V

C731

0.22

50V

C728

50V

R722

15K

R719

330

R712

6.8K

R714

27K

R711

47K

R720

3.3K

R708

6.8K

R707

47K

R703

10K

R704

10K

R701

1.5K

R723

470

1/4W

R721

15K

R702

1.5K

R718

R717

2.2M

R716

3.3K

C707

0.1

C721_1

0.0012

C715_1

0.0012

C749

0.1

C748

0.1 F

C738

0.01

C736

0.001

C751

0.1

C725

0.1

C732

0.01 F

C730

0.015

C755

0.022 B

C734

0.1

C763

680P

C722

0.1 B

C723

0.01

C724

0.01 F

C729 0.01 B

C762

680P

C701

0.022

C716

C760

1 F

C757

1 F

C746

0.1

C719

C713

C744

0.1 F

C726

0.015

C706

50V

MH7

C704

50V

MH7

C756

16V

MH7

C758

16V

MH7

C752

16V

MH7

C750

2.2

50V

MH7

C743

0.22

50V

MH7

C759

35V

C703

4.7

50V

C705

4.7

50V

C739

16V

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

DURING PLAYBACK.

MEASURED WITH THE DIGITAL TESTER

NOTE:THE DC VOLTAGE EACH PART WAS

FSC

SIF_OUT

SCL

SDA

P.CON+5V

AUDIO_MUTE-H

FRONT_A_IN_R

FRONT_A_IN_L

SIF_OUT

DVD_A_OUT_L

DVD_A_OUT_R

AUDIO_OUT
HIFI_A_OUT_R

HIFI_A_OUT_L

P.CON+5V

V.REC_ST-H

HIFI_A_OUT_R

HIFI_ENV.DET

HIFI_H.SW

ST_SELECT

P.CON+5V

HIFI_A_OUT_L

HF2

P.CON+12V

AUDIO_OUT

HF1

HF_COM

FSC

TO_NORMAL_A

FROM_NORMAL_A

TO_NORMAL_A

FROM_NORMAL_A

A.VCC

P.CON+5V

P.CON+12V

GND

V.REC_ST-H

HIFI_ENV.DET

HIFI_H.SW

AUDIO_MUTE-H

SCL

SDA

ST_SELECT

DVD_A_OUT_R

DVD_A_OUT_L

FRONT_A_IN_R

FRONT_A_IN_L

PCB010
VMC300

Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM

(VCR PCB)

FROM/TO POWER

FROM/TO Y/C/AUDIO/CCD/H.AMP

FROM/TO TUNER/JACK

2.3

2.2

2.4

2.1

2.0

2.2

2.4

0.7

2.4

0.7

0.6

4.9

2.5

1.8

2.1

2.4

1.6

4.9

4.7

2.3

2.1

3.5

2.2

3.4

2.7

4.9

2.5

4.2

2.3

1.2

4.3

11.0

4.3

1.0

2.4

2.3

2.2

0.6

0.5

2.4

0.7

4.5M
TRAP

CUE
BPF

DEMOD

95HMz

BPF

SUB
BPF

SUB
DET

3.5M

VCO

LOGIC

DEM_BLK

DEMOD

OUTPUT SW

SUB DEEN

MATRIX

RFC

DET

LOG
AMP

AMP

INPUT_SW(R)

INPUT_SW(L)

VREF1

MAIN
DEEN

LOGIC

MUTE VCO-F0

ADJ

LOGIC

ZZ-PROM

CTL

AMP

COMP

PNR RCH

SW NOISE

LCH BPF

RCH BPF

PB LPF

AUDIO
LIMIT

AMP

PNR LCH

FM UM

SW NOISE

RCH
VCO

REC LPF

LCH VCO

MIX

REC LPF

DET

HPF

NOISE

DET

SW15

SW11

SW13

SW14

SW10

SW4

SW2

SW17

SW19

MUTE

SW18

NORMAL

MIX

HIFI

SW22 L

MIX

LINER

HOLD

TIMING

S/N

REC

SW12

SW9

SW21

HA1

HA2

AMP

CURR

FROM 1PIN

FROM 3PIN

SW16

MIX

HIFI

AGC

AN3663FBP

USA

2.3

FROM/TO SYSCON

Содержание HR-XVC25UC

Страница 1: ...lbs 3 6 kg Width 16 15 16 inches 430 mm Height 3 7 8 inches 99 mm Depth 9 13 16 inches 249 mm In 1Vp p 75 ohm Out 1Vp p 75 ohm In 8 dBm 50k ohm Out 8 dBm 1k ohm UHF VHF IN OUT 75 ohm coaxial 20Hz to 20 000Hz More than 90dB 4 Rotary Heads Hi Fi Sound 2 Tracks MONO Sound 1 Track 181 Channel Freq Synthesized VHF 2 13 UHF 14 69 CATV 14 36 A W 37 59 AA WW 60 85 AAA ZZZ 86 94 86 94 95 99 A 5 A 1 100 125...

Страница 2: ...19 1 CONFIRMATION AND ADJUSTMENT 1 19 1 1 CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION 1 19 1 2 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK 1 19 1 3 CONFIRMATION OF VSR TORQUE 1 19 1 4 CONFIRMATION OF REEL BRAKE TORQUE 1 20 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM 1 20 2 1 GUIDE ROLLER 1 20 2 2 CONFIRMATION AND ADJUSTMENT OF AUDIO CONTROL HEAD 1 2...

Страница 3: ...e specified for compliance with recognized codes pertaining to X ray emission Consequently when servicing these products replace the cath ode ray tubes and other parts with only the specified parts Under no circumstances attempt to modify these circuits Unauthorized modification can increase the high voltage value and cause X ray emission from the cathode ray tube 12 Crimp type wire connector In s...

Страница 4: ...eter to measure across both terminals of load Z See figure 9 and following table 2 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 milli ohm meter between earth pin in AC inlet and exposed accessible parts See figure ...

Страница 5: ...2 A C 1 2 3 4 5 6 7 8 9 10 11 Make the short circuit on the position as shown Fig 1 3 using a soldering If you remove the DVD Deck with no soldering the Laser may be damaged Unlock the support 1 and remove the Deck Top Holder in the direction of arrow A Remove the 2 screws 2 Remove the screw 3 Remove the screw 4 Disconnect the following connectors CP2601 CP2602 CP2603 Remove the DVD Deck in the di...

Страница 6: ... 3 screws 2 Disconnect the following connectors CP101 CP102 and CP3001 Remove the AC Head Cover and VCR Deck in the direction of arrow 3 VCR PCB 1 4 DVD PCB Refer to Fig 1 4 1 2 3 4 Remove the 3 screws 1 Remove the 4 screws 2 Disconnect the following connectors CP4002 and CP8102 Remove the DVD PCB in the direction of arrow Fig 1 4 Do not remove the cable at the FE Head section The FE Head may be d...

Страница 7: ...ve the Locker Spring Unlock the 4 supports 1 and then remove the Cassette Side L R Unlock the support 2 and then remove the Locker R Locker Spring Cassette Side L Cassette Side R Locker R Cassette Holder 1 1 1 1 2 In case of the Locker R installation check if the one position of Fig 2 3 B are correctly locked When you install the Cassette Side R be sure to move the Locker R after installing NOTE 1...

Страница 8: ...nsion Holder hook is set to the position of Fig 2 7 A to move the Tension Arm Ass y Remove the Tension Spring Unlock the 2 supports 1 and remove the Tension Band Unlock the support 2 and remove the Tension Arm Ass y Unlock the support 3 and remove the Tension Connect Float the hook 4 and turn it clockwise then remove the Tension Holder Fig 2 6 C Loading Motor Cassette Opener Fig 2 7 B Tension Band...

Страница 9: ... 1 2 3 4 5 6 Take care not to damage the gears of the S Reel and T Reel The Polyslider Washer may be remained on the back of the reel Take care not to damage the shaft Do not touch the section A of S Reel and T Reel Use gloves Refer to Fig 2 9 A Do not adhere the stains on it When you install the reel clean the shaft and grease it FG 84M If you do not grease noise may be heard in FF REW mode After...

Страница 10: ...ring NOTE 1 2 3 Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 11 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 Fig 2 11 A 1 2 A C Head A C Head Spring A C Head Base Screw Torque 5 0 5kgf cm Screw 1 2 2 3 2 1 Fig 2 11 B Spring Position 2 12 FE HEAD RECORDER ONLY Refer to Fig 2 12 1...

Страница 11: ...e met Refer to Fig 2 15 B And also can be seen the Main Chassis hole through the Main Cam maker hole Fig 2 15 B Pinch Roller Cam Marker Main Cam 2 16 LOADING GEAR S T UNIT Refer to Fig 2 16 A 1 2 Remove the E Ring 1 and remove the Main Loading Gear Remove the Main Rod Tension Lever Loading Arm S Unit and Loading Arm T Unit 1 Main Loading Gear Main Rod Tension Lever Loading Arm T Unit Loading Arm S...

Страница 12: ...tall it with inserting the spring of the Clutch Ass y into the dent of the Coupling Gear Refer to Fig 2 17 B Fig 2 17 B Clutch Ass y Coupling Gear 2 18 CASSETTE GUIDE POST INCLINED BASE S T UNIT P4 CAP Refer to Fig 2 18 A 1 2 3 4 5 Remove the P4 Cap Unlock the support 1 and remove the Cassette Guide Post Remove the Inclined Base S T Unit Remove the screw 2 Remove the LED Reflector Fig 2 18 A NOTE ...

Страница 13: ...is Ass y Fig 3 2 A Insulator R Green 1 Main Frame Ass y Main Chassis Ass y 3 3 RACK LOADING MAIN GEAR RACK LOADING SPRING Refer to Fig 3 3 1 2 Press down the catcher 1 and slide the Rack Loading Remove the Rack Loading Rack Loading Spring and Main Gear Fig 3 3 3 4 CLAMPER ASS Y INSULATOR R LEVER SWITCH Refer to Fig 3 4 A 1 2 3 4 5 Remove the screw 1 Remove the Lever Switch Remove the 2 Insulator R...

Страница 14: ... F Black Traverse Holder Insulator F Black Fig 3 5 A Main Chassis Ass y Traverse Holder Fig 3 5 B 3 6 SWITCH PCB ASS Y Refer to Fig 3 6 A 1 2 Remove the screw 1 Remove the Switch PCB Ass y 1 Switch PCB Ass y Main Chassis Ass y Screw Torque 4 0 5kgf cm Fig 3 6 A NOTE 1 When installing the wire of the Switch PCB install it correctly as Fig 3 6 B Switch PCB Ass y Black White From Relay PCB Fig 3 6 B ...

Страница 15: ...emove the Idler Arm Idler Arm Spring Idler Arm Main Chassis Ass y Chassis Spring Fig 3 10 A NOTE 1 2 After the assembly of the Rack Feed check if the Rack Feed 1 2 is moving smoothly Refer to Fig 3 7 B In case of the Rack Feed Ass y installation install cor rectly as Fig 3 7 C Moving smoothly Moving smoothly Fig 3 7 B Should not be engaged Check the position of the Rack Feed Lever Fig 3 7 C 3 8 RE...

Страница 16: ...Chassis Ass y Fig 3 10 D Chassis Spring Main Chassis Ass y 3 11 FEED MOTOR Refer to Fig 3 11 A 1 2 3 Remove the 2 screws 1 Remove the Feed Motor Remove the Motor Gear Screw Torque 1 0 5kgf cm Fig 3 11 A NOTE 1 2 In case of the Motor Gear installation check if the value of the Fig 3 11 B is correct When installing the Feed Motor check if the cable is positioned as Fig 3 11 C Motor Gear Feed Motor 6...

Страница 17: ...Flipflop Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SE...

Страница 18: ...or Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance ...

Страница 19: ...ICING NOTE Although the DVD is connected the DVD mode cannot be selected Set Key Operations Remocon Key Standard Time seconds REC 4 2 Initialization of the factory on DVD NOTE The function will only work without the setting of DVD disc at DVD mode Do not use this for the normal servicing REC 6 2 STOP 1 3 DVD Write mode Refer to the RE WRITE FOR DVD FIRMWARE NOTE The function will only work at the ...

Страница 20: ... 4 to 7 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input After the data input set to the initializing of shipping Turn on the POWER Press both CH UP button on the set and the PLAY button on the set for more than 2 seconds After the finishing of the initializing of shipping the unit will turn off automatically NO...

Страница 21: ...n the POWER Press both CH UP button on the set and the FF button on the set for more than 2 seconds After the confirmation of using hours turn off the power Clean Check it and if necessary replace it CLEANING NOTE After cleaning the heads with isopropyl alcohol do not run a tape until the heads dry completely If the heads are not completely dry and alcohol gets on the tape damage may occur 1 AUDIO...

Страница 22: ...X JG153 X Value Adjustment Screwdriver Torque Tape Short Jumper MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1 2 3 4 5 6 7 8 9 10 Tension Connect Tension Arm Guide Roller Audio Control Head X value adjustment driver hole P4 Post T Brake Spring T Reel S Reel Adjusting section for the Tension Arm position 1 2 3 4 5 6 7 8 9 10 ...

Страница 23: ...pstan DD Unit Pinch Roller Cam Screw 1 1 1 CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION 1 2 3 Set to the PLAY mode Adjust the adjusting section for the Tension Arm position so that the Tension Arm top is within the standard line of Main Chassis While turning the S Reel clockwise confirm that the edge of the Tension Arm is located in the position described above Fig 1 1 A Standard line of M...

Страница 24: ... long term usage or failure the confirmation and adjustment are necessary 2 1 GUIDE ROLLER 1 2 3 4 5 6 7 Playback the VHS Alignment Tape MHP Connect CH 1 of the oscilloscope to TP101 Envelope and CH 2 to TP3002 SW Pulse Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Trigger with SW Pulse and observe the envelope Refer to Fig 2 1 A When o...

Страница 25: ...cture of Stamp Mark P4 Cap Stamp Mark Fig 2 2 B 3 Audio Control Head 2 1 4 Fig 2 2 C Audio Control Head Tape 0 25 0 05mm 2 3 TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT 1 2 3 4 5 6 7 Confirm and adjust the position of the Tension Post Refer to item 1 1 Adjust the Guide Roller Refer to item 2 1 Confirm and adjust the Audio Control Head Refer to item 2 2 Connect CH 1 of the oscilloscope to TP3002 CH ...

Страница 26: ...TIONS Connect CH 1 on the oscilloscope to TP3002 and CH 2 to TP8001 Playback the alignment tape MHP Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Press both CH UP button on the set and the STOP button on the set for more than 2 seconds 1 2 3 4 6 5H CH 1 CH 2 CH 1 CH 2 6 5H Fig 1 1 A When you exchange IC and Transistor for a heat sink ap...

Страница 27: ... SERVO TIMING CHART VCR PCB IC3001 OEC0138A DPG 104 PIN DFG 104 PIN H SW P 105 PIN V SYNC E E 111 PIN 24 Cycle CH 1 CH 2 REC CTL REC 7 PIN V SYNC TRICK PB 109 PIN WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED ...

Страница 28: ... LEVER S BRAKE HIGH S BRAKE LOW BRAKE ON BRAKE ON BRAKE ON BRAKE ON CLUTCH LEVER CLUTCH ON DIRECT PRESS UP Revolutional Angle of MAIN CAM Mode Dealing Directions Moving Quantity of MAIN ROD mm STBY 15 EJECT 3 VSR 18 0 206 3 100 PB F SLOW 26 5 255 HIGH 38 5 35 29 5 21 5 323 8 303 7 272 2 226 4 FLAP LEVER T REEL BRAKE T BRAKE ARM HIGH LOW MS 2 S REEL BRAKE TENSION ARM ASS Y MECHANISM TIMING CHART TE...

Страница 29: ...omposite Video input terminal for OSD 18 OSD VCC OSDVCC 5V 19 CV_OUT CV_OUT OUT Composite Video output with OSD 20 OSD_VSS OSD_VSS Ground 21 4 2 FSC_OUT 4 2 FSC_OUT OUT 4 FSC pulse 22 4 2 FSC_IN 4 2 FSC_IN IN 4 FSC pulse 23 AVSS AVSS Ground 24 AN B VIDEO_ENV IN Input terminal of video RF envelope 25 AN A BOT H IN Tape start sensor input signal 26 AN 9 EOT H IN Tape end sensor input signal 27 AN8 M...

Страница 30: ...C DATA 55 P35 SEG1 OUT LEM LED Module control terminal 56 VCC VCC Power of CPU 57 VSS VSS Ground 58 P27 SEG2 OUT LEM LED Module control terminal 59 P26 SEG3 OUT LEM LED Module control terminal 60 P25 SEG4 OUT LEM LED Module control terminal 61 P24 SCL1 IIC CLK OUT CLOCK terminal for IIC BUS communication 62 P23 SDA1 IIC DATA OUT DATA terminal for IIC BUS communication 63 P22 SCK1 SEG5 OUT LEM LED ...

Страница 31: ...r at AUDIO MUTE and POWER OFF H for except above case 96 P80 YCO V_REC_ST H OUT On control of A V recording Whole width erase circuit 97 P81 EXCAP YBO LDM CTL OUT Loading motor control terminal 98 P82 EXCTL CAP_FWD H OUT Capstan forward and backward command 99 P83 C ROT R C ROTARY OUT Color Rotary Control output 100 P84 H AMP SW G H AMP SW OUT Switching output of Head Amp SW 101 P85 COMP B COMP IN...

Страница 32: ... ON NO VCR SECTION YES NO YES NO YES Check of T501 and peripheral circuit Check of V651 and peripheral circuit Check IC3001 Check of T501 and peripheral circuit Is the voltage at pin 30 of IC 3001 0V Does display light Is the voltage linked to L506 ...

Страница 33: ...SUPPLY CUT Inserting a casette and push play button YES YES NO NO Does the power cut after 3 seconds Check CAPSTAN DD UNIT and CYLINDER UNIT Does the power cut after about 6 seconds Check Q3006 Q3008 and CAPSTAN BELT Check the POWER BLOCK ...

Страница 34: ... YES NO NO NO AUDIO SHAKES Is AUDIO HEAD scratched Change AUDIO HEAD At playback is input about 4 5Vp p of a rectangular wave at pin 9 of IC3001 Change CAPSTAN DD UNIT Check IC3001 At playback is pin 32 of CP3001 3 5V Check AUDIO BLOCK ...

Страница 35: ...e CASSETTE TAPE CAN NOT BE INSERTED Check WORM GEAR of cassette loading block YES YES YES NO NO NO Does WORM GEAR of cassette loading block move When a CASSETTE can not inserted is pin 25 of IC3001 5V When a CASSETTE is inserted is pin 8 of CP3001 12 6V Check circuit of POWER BLOCK ...

Страница 36: ... loading block YES YES YES NO NO NO Does SW3001 and REC LEVER correctly set After inserting CASSETTE is pin 35 of IC3001 0V Correctly SW3001 and REC LEVER set WHEN INSERTING A CASSETTE IT EJECTS IMMEDIATELY Check DECK MECHANISM CAN NOT FF REW YES NO At FF REW does voltage at pin98 of IC3001 change Check of IC3001 ...

Страница 37: ...DIATELY Check POWER BLOCK Change IC3001 Check Q3006 and Q3008 YES YES YES YES YES NO NO NO NO NO Does CYLINDER rotate Is there HEAD SW PULSE at TP3002 Is the voltage at pin 2 of CP3001 12V At play is the voltage at pin 12 of CP3001 2 6V Is PG PULSE signal inputted to pin 104 of IC3001 ...

Страница 38: ... PICTURE JITTERS VERTICAL MINUTELY Is FG wave of CP3001 at pin 11 5V Is pin 12 of CP3001 2 6V AUTO TRACKING DOES NOT OPERATE 2 5Vp p YES YES NO NO In auto tracking is the voltage at pin 24 of IC3001 more than DC 0 2V Does the CTL pulse signal about 2 5Vp p appear at pin 7 of IC3001 Check CONTROL HEAD Change IC3001 ...

Страница 39: ...NO WHEN PLAYBACK FF OR REW MODE IS ACTIVE UNIT STOPS IMMEDIATELY Does CAPSTAN DD MOTOR rotate Refer to section CAPSTAN DD MOTOR NOT ROTAING Is there REEL SENSOR PULSE signal at pin 38 and pin 39 of IC3001 Check Q3001 and Q3002 Change IC3001 ...

Страница 40: ...oise on the picture appear By adjusting the MANUAL TRACKING UP DOWN BUTTONS will the line disappear Check P B ENVELOPE Is a height of GUIDE POST maximum The height of GUIDE POST readjust Is PG SHIFTER adjustment 6 5H Adjust PG SHIFTER Is a wave of PB Y unusual Change IC101 and peripheral circuit Change IC101 ...

Страница 41: ...ER DOES NOT APPEAR Does E E picture appear Is the voltage of IC101 at pin 44 45 52 and 68 5V Check POWER BLOCK Is there video signal of IC101 at pin 26 Change IC101 Change IC8005 Is there video signal of IC8005 at pin 2 Is there video signal of IC101 at pin 26 Check J8001 Change IC101 ...

Страница 42: ...LOAD Is the voltage at pin 8 of CP3001 about DC12 6V Check IC502 In playback is at pin 12 of CP3001 about DC2 6V YES YES NO NO PLAYBACK PICTURE IS NOISY EVEN AFTER CLEANING HEADS Is noisy a wave of video signal at pin 26 of IC101 Is noisy a wave of video signal of EMITTER of Q8004 Check J8001 Check Q8004 Check CYLINDER ...

Страница 43: ...gnal at pin 26 of IC101 Is there video signal at pin 26 of IC101 Change X tal Change IC101 YES YES NO NO NO COLOR DURING SELF RECORDING AND PLAYBACK Is there CHROMA signal at pin 30 32 of IC101 Check TU301 J8003 circuit around it Is there CHROMA signal at pin 26 of IC101 Check circuit around of J8001 Change IC101 ...

Страница 44: ...r to section E E DOES NOT APPEAR Is the voltage at pin 6 of IC101 about 2 5V Check A C HEAD Check circuit around at pin 10 of IC101 Check circuit around at pin 22 24 of IC701 Is there audio signal at pin 10 of IC101 Is there audio signal at pin 22 24 of IC701 Check whether there are not a damage dirt in AUDIO HEAD ...

Страница 45: ...n 11 of IC101 Check POWER BLOCK and voltage of base of Q103 Check disconnection and short of L101 Is there audio signal at pin 76 78 and 80 of IC101 Is there voltage of base of Q103 about 5V Check IC701 and the circuit from TUNER or audio input juck to IC701 Change Q103 Change L101 Is there a sine wave at pin 5 of L101 Check lead wire of A C HEAD and CONNECTOR ...

Страница 46: ...te with remote control Check operation PCB Check LOADING MOTOR and MODE SENSOR RELATION DEPARTMENT Check IC3001 YES YES NO NO CAPSTAN DD MOTOR NOT ROTATING Check POWER BLOCK Change IC3001 In playback is there voltage at pin 78 of IC3001 2 5V DD MOTOR rotate now If not replace it In playback is there voltage at pin 2 of CP3001 12V ...

Страница 47: ...M INPUT JACK OR TUNER Is there video signal at pin 30 32 of IC 101 Is the BASE of Q103 5V Is the voltage at pin 96 of IC3001 5V Check cricuit of video signal from VIDEO IN or TUNER to IC101 Change IC3001 Change IC101 Is there video signal at pin 26 of IC101 Check CYLINDER UNIT and circuit around of CP101 ...

Страница 48: ... Does normality AUDIO JACK CONNECT Connection is done over again Check POWER BLOCK Are there thevoltage of B 5V TU 32V of TU301 Check the picture Is there video signal at pin 17 of TU301 Change TU301 Change IC101 Change IC3001 Is there video signal at pin 26 of IC101 Is there video signal at pin 19 of IC3001 Check J8001 ...

Страница 49: ...REO appear Is the voltage at pin 77 of IC101 5V Refer to section E E AUDIO STEREO DOES NOT APPEAR Check POWER BLOCK Is the voltage at pin 95 of IC3001 5V Change IC3001 Check J8004 J8005 Change IC701 Is there audio signal at pin 10 15 of IC701 Is there audio signal at pin 61 of IC701 Check circuit around of J8001 ...

Страница 50: ... NOT APPEAR Is the voltage at pin 25 40 51 of IC701 5V Is the voltage at pin 58 of IC701 12V Check POWER BLOCK Check POWER BLOCK Change IC701 Is there Audio signal at pin 10 15 of IC701 Is there Audio signal at pin 53 57 of IC701 Check circuit around of J8001 Check J8004 J8005 ...

Страница 51: ... E AUDIO MONO appear Refer to section E E AUDIO MONO DOES NOT APPEAR Check circuit around of TU301 at pin 14 Change IC701 Check IC701 Is there signal at pin 48 of IC701 Is there audio signal at pin 53 57 of IC701 Is there audio signal a collector of Q8005 and Q8006 Check circuit around of J8001 ...

Страница 52: ... to section E E AUDIO STEREO DOES NOT APPEAR Does E E AUDIO STEREO appear At the time of channel change does the display of a stereo come out to the screen Is there audio signal at pin 48 of IC701 Is there audio signal at pin53 57 of IC701 Check ciruit around of TU301 Change IC701 Check IC701 Is there audio signal a collector of Q8005 and Q8006 Check circuit around of J8001 Change IC701 ...

Страница 53: ...O appear Does NORMAL PB AUDIO appear Is there audio signal at pin 22 24 of IC701 Is there audio signal at pin 53 57 of IC701 Check circuit around of J8001 Refer to section E E AUDIO STEREO DOES NOT APPEAR Refer to section AT PLAY AUDIO DOES NOT APPEAR Check circuit of HEAD AMP and CYLINDER UNIT Change IC701 ...

Страница 54: ... of video recording is there audio signal at pin 10 and 15 of IC701 Is there audio signal at pin 53 57 of IC701 At recording and play is there signal at pin 7 8 and 9 of CP101 Check IC701 Check CYLINDER UNIT Change IC701 Check circuit arounf of J8004 J8005 and TU301 Refer to section E E AUDIO MONO DOES NOT APPEAR ...

Страница 55: ...ECK DOES NOT ACCEPT OPEN CLOSE Is the voltage at pin 3 and 14 of IC2301 about DC9V Check P CON 9V line of POWER BLOCK Yes Is the lose connection at CD2602 CD2603 to DECK Check CD2602 CD2603 connection to DECK Check loader block DVD SECTION ...

Страница 56: ...e IC4001 Is there a oltage beam current at TP40 and TP42 Is there a signal at pin 9 10 11 and 12 of IC2601 Is there a signal at pin 9 10 11 and 12 of IC2601 Is there video signal at pin 159 of IC4001 NO PLAYBACK PICTURE OF S VIDEO JACK Is there Y signal at pin 161 of IC4001 No Yes REFER TO NO PLAYBACK PICTURE OF AV JACK Yes No Check J8013 and peripheral circuit Is there VIDEO signal at pin 162 of ...

Страница 57: ...bout 1 8V Check P CON 3 3V line on POWER BLOCK Change IC4001 Yes No No Yes Yes No No Yes Check J8013 and peripheral circuit Is there Y signal at pin 161 of IC4001 REFER TO NO PLAYBACK PICTURE OF S VIDEO JACK Is there VIDEO signal at pin 162 of IC4001 REFER TO NO PLAYBACK PICTURE OF AV JACK Is there C signal at pin 162 of IC4001 ...

Страница 58: ...NG GUIDE NO AUDIO ON PLAYBACK Is there AUDIO signal at pin 1 and 7 of IC8101 Yes Is there waveform at pin 7 and 8 of IC7301 Yes Check IC8101 and peripheral circuit No No Check IC7301 and peripheral circuit Change IC4001 ...

Страница 59: ...or 3 Heads Video Head 4Head FM Audio Head 2Head Audio Control Mono Yes Erase Full Track Erase Yes Tape Rec PAL Speed NTSC SP SLP EP Play PAL NTSC SP SLP EP Fast Forward Rewind Time Approx at 25oC FF 1 48 REW 1 48 with Cassette T 120 Forward Reverse NTSC or PAL M SP SLP EP 3x 5x 9x 15x Picture Search PAL or SECAM Frame Advance Yes Slow Speed 1 10 G 4 Tuning Broadcasting System US System M System Tu...

Страница 60: ...evel Line 8 dBm 50k ohm VCR Output Level Line Digital Output Level 0 5 V p p 75 ohm DVD S N Ratio at Weighted 90dB DVD 42dB VCR at SP Harmonic Distortion 1KHz Typical 0 02 DVD 1 5 VCR at SP Frequency Response DVD Mode at DVD 4 Hz 22 KHz DVD Mode at VIDEO CD 4 Hz 20 KHz DVD Mode at CD 4 Hz 20 KHz VCR Mode at SP 100Hz 10kHz VCR Mode at LP VCR Mode at SLP 100Hz 4kHz Hi Fi Audio Signal Dynamic Range M...

Страница 61: ...r Yes OSD Language Set up Language Yes Output RGB Composite No Open Yes Close Yes No disc Yes Reading Yes Play Yes Still Pause Yes Stop Yes Prohibit Mark Yes Step Yes Skip Yes Skip Yes Random Yes CD VIDEO CD MP3 WMA JPEG Repeat Yes Slow Yes Slow No Search Yes Search Yes Jump Yes Resume Yes Title No Yes Chapter No Yes Track No Yes Time Yes Sub Title No Yes Angle No Yes Vocal On Off Yes Audio No Yes...

Страница 62: ... Yes Hi Fi Yes Zero Return Yes G 11 OSD Language DVD OSD Eng Fre Spa VCR OSD Eng Fre Spa G 12 Clock Timer Calendar 1990 1 1 2081 12 31 and Timer Timer Events 8 Program 1 Month Back up One Touch Recording Max Time 6 Hours OTPB Valid Time No Timer Back up at Power Off Mode 5 sec G 13 Display DISPLAY Yes DISPLAY type LED Module Amber Rec Timer symbol Red Clock Counter CH Timer Rec OTR Play Rec FF Cue...

Страница 63: ...NG VOL Yes VCR Yes DVD Yes TV VCR Yes DVD MENU Yes TITLE Yes SET UP MENU VCR MENU Yes SELECT ENTER Yes CLEAR CANCEL Yes RETURN Yes PLAY Yes STOP Yes PAUSE STILL STEP Yes FF Cue SEARCH Yes REW Review SEARCH Yes REC OTR ITR Yes SKIP INDEX Yes SKIP INDEX Yes AUDIO AUDIO SELECT Yes ANGLE COUNTER RESET Yes SUB TITLE ATR Yes PLAY MODE SPEED Yes T REC Yes CLOCK COUNTER Yes JUMP ZERO RETURN Yes ZOOM Yes R...

Страница 64: ...ower Off No Forward Reverse Picture Search Yes VIDEO PLUS SHOWVIEW G CODE No One Touch Playback No Auto CH Memory Yes AREA CODE No Auto Clock Set Yes Index Search Yes SQPB Option Yes CATV Yes Energy Star No MTS SAP Yes CM Skip 30sec x 6 Times Yes Copy Disc to Tape Yes by Conditioning G 16 Accessories Owner s Manual Language English w Guarantee Card Yes Remote Control Unit Yes Guarantee Card No Pro...

Страница 65: ...on Yes Digital Audio DVD Signal Only Video Input Option No Audio Input Option No RF Input Output Yes Euro Scart No AC Inlet No Indicator LED Power No Rec No T Rec No TV VCR No DVD Yes GREEN VCR Yes GREEN Surround No Level Meter No G 18 Set Size Approx W x D x H mm 430 x 249 x 99 G 19 Weight Net Approx 3 6kg 7 9lbs Gross Approx 4 7kg 10 4lbs G 20 Carton Master Carton No Content Sets Material Dimens...

Страница 66: ...ERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 Printed in Japan 0305 VP ...

Страница 67: ...8002 FFC DAC_D_DVD_VIDEO SYS_MUTE DVD_RESET GND DVD_AUDIO_L GND DVD_AUDIO_R CP8002 RX TX GND GND P CON 3 3V P CON 3 3V P CON 5V MOTOR GND P CON 9V A P CON 9V A P CON 12V AT 5V CP501 S501 S502 BLACK WHITE RX TX GND GND CP4002 DAC_D_DVD_VIDEO SYS_MUTE DVD_RESET GND DVD_AUDIO_L GND DVD_AUDIO_R P CON 3 3V P CON 3 3V P CON 5V MOTOR GND P CON 9V A P CON 9V A P CON 12V AT 5V GND VCC INPUT FG SENSER SPIND...

Страница 68: ...ASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS CP102 IMSA 9604S 06C 1 2 3 4 5 6 CP101 TOC C09X A1 1 2 3 4 5 6 7 8 9 Q103 KRA103SRTK SW CAUTION DIGITAL TRANSISTOR CD102 2H061504 FFC C140 4 7 50V KANP CP103 B2013H02 2P 1 2 PLAYBACK VIDEO SIGNAL COMP H SW ENV DET P CON 5V H AMP_SW C ROTARY Y C_CS Y C_DATA Y C_CLK P CON 5V AUDIO_MUTE H FSC P CON 5V GND DVD_V_OUT DAC_D FRONT_V_IN TU R...

Страница 69: ...IL ENV DET AT 5 2V H SW GND Y C_CS MOTOR_GND Y C_DATA TV VCR SEG_1 Y C_CLK 4FSC POWER_MUTE L Y C_DATA SYS_MUTE Y C_CLK 5G CS BS_LED RF_CH_SW 4G VSC_LED SW_V_OUT AV_SW1 3G TV VCR_LED SCL AV_SW1 2G DUB REC_LED SDA Y C_CS 1G VCR T REC_LED AFT S CURVE CAP_FG TV VCR AT 12 6_V RF_CH_SW VCR_LED VIDEO_OUT P CON 5V AUDIO_MUTE H DVD_LED POWER_MUTE L CAP_F R V REC_ST H DVD_POWER_CTL VIDEO_MUTE H CAP_LIMIT LD...

Страница 70: ...014 390 R8011 100 R8016 2 2K R8017 2 2K R8015 390 R305 1K R8009 4701 2W R8032 470 R8056 470 R8010 75 R301 33K R302 1K R8059 4 7K 1 4W R304 10K C8099 470P CH C8004 470P CH C303 0 1 F C301 0 01 F C8057 0 1 F C8014 0 1 F C8019 10 16V KA C309 220 6 3V YK C318 10 16V KA C8075 4 7 50V KA OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME Q8007 KRA103SR...

Страница 71: ...R667 180 R670 180 R661 820 R666 180 R665 180 R663 180 R668 180 R669 820 R664 820 R673 180 R672 180 R662 180 R675 820 R674 180 R657 2 7K R658 1 8K R659 1 5K R653 330 R683 560 R651 1001 4W C652 100 6 3V YK OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS Q666 KRA10...

Страница 72: ...03 4 7 50V YK C705 4 7 50V KA C739 47 16V KA OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS FSC SIF_OUT SCL SDA P CON 5V AUDIO_MUTE H FRONT_A_IN_R FRONT_A_IN_L SIF_OUT DVD_A_OUT_L DVD_A_OUT_R AUDIO_OUT HIFI_A_OUT_R HIFI_A_OUT_L P CON 5V V REC_ST H HIFI_A_OUT_R ...

Страница 73: ...ER FAIL SW Q502 KTC3203_Y PROTECT CONTROL Q530 KTC3875S_Y_RTK PROTECT C505 100 16V MHE C514_1 100 16V MHE C521_1 100 16V MHE C510 22 50V MHE C522 22 50V MHE C504_1 220 6 3V YK C530 100 16V MHE R509 100 R533 220 1 4W R528 3 9K 1 4W R514 220 1 2W R530 47 R531 820 1 R526 1 2K 1 R534 22K R529 2 2K R527 100 1 4W R517 820 1 2W R535 22K R513 390 1 2W R520 3 3K 1 R521 470 R522 3 3K 1 R541 22K1 4W R510 100...

Страница 74: ...RINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS D685 LTL 1CHGT 002A DVD LED SW689 EVQ11L05R STOP SW690 EVQ11L05R OPEN CLOSE SW688 EVQ11L05R REC OTR SW687 EVQ11L05R FF CUE SW686 EVQ11L05R PLAY SW685 EVQ11L05R REW REV CD681 2H051202 CP681 IMSA 9604S 05Z13 1 2 3 4 5 OP...

Страница 75: ... TOUT_SW LINK HA11 HA11 TRAY_CLOSE MIRR HA12 LDON HD7 TIN_SW HA13 SMUTE SMUTE HA14 TRACK_DAC HA15 HA10 FOCUS_DAC HA16 HD14 SPINDLE_PWM HA17 SLED_PWM HA9 HA18 P CON A5V HD6 RESET HA19 P CON 3 3V HA20 HA8 P CON 9V HD0 HD13 P CON 5V HD1 ADCIN_7 HD5 HD2 ADCIN_6 HA20 HOME HOME HD3 ADCIN_5 HD4 LDON HD5 D_GND HD12 HD6 M_GND WR DJTDO ML HD7 GND HD4 DJTDI MC HD8 HD9 DJTMS MD HD10 HD11 ICETCK V_SW HD11 HD3 ...

Страница 76: ...HA8 SD_D9 SD_D11 SD_D4 SD_D10 SD_D11 HD5 HA19 SD_D12 SD_D13 SD_D10 SD_D5 SD_D14 HD12 HA20 SD_D15 SD_D9 SD_D6 RAMCS0 RAMCS1 HD4 WR RAMRAS RAMCAS SD_D8 SD_D7 SD_BA0 RESET RAMDQM RAMWE RAMCLK HD11 RAMDQM HA0 HA1 RAMDQM RAMWE HA2 HD3 HA3 RAMCLK RAMCAS HA4 HA5 HD10 HA19 RAMRAS HA6 HA7 RAMCS1 HA8 HD2 HA18 HA9 SD_A11 SD_BA0 HA10 HA11 HD9 HA17 SD_A9 RAMCS0 HA12 HA13 SD_A8 SD_A10 HA14 HD1 HA7 HA15 SD_A7 SD...

Страница 77: ...K 1 R2643 1K R2607 1 2K R2608 1 2K R2609 1 2K R2610 5 1K 1 R2329 1K R2631 1M R2632 4 7K R2630 22K R2629 1 5K R2628 22K B2602 FCM2012H 102T04 B2601 FCM2012H 102T04 B2604 FCM2012H 102T04 B2603 FCM2012H 102T04 B2605 FCM2012H 102T04 W861 W863 W864 W808 W862 W807 W810 W811 W806 W876 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK ME...

Страница 78: ...470 R8104 10K R8110 12K R8108 10K R8107 10K R8109 12K R8106 47K R8112 470 R8117 10K R8105 47K R8120 4 7K R8121 3 3K R8124 1K R8122 1K R8119 470K R8102 100K R8103 100K R8101 10K R8128 1K R8129 10K R8116 10K R8115 470 R8113 56 R8132 3 3K R8137 100K R8131 1 5K R8130 2 2K R8123 4 7K R8133 220 1 10W R8134 470 R8111 10K R8114 1K R8151 10K R7307 10K R7306 10K R8118 1K R8136 68 B7302 FCM2012H 102T04 B7301...

Страница 79: ...YSCON PB 5ms 1 0V 21 5µs 500mV 38 POWER 5µs 5 0V 39 PB 200ms 500mV 19 REC 5µs 20V 20 WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 1 2 3 4 7 6 MPEG MICON 8 5ns 20mV RF AMP DSP MEMORY 200ns 10mV 10ns 100mV 200ns 20mV 500µs 100mV 200ns 20mV 10µs 100mV Y C AUDIO CCD HEAD AMP 16 PB 10µs 500mV 17 PB 100ns 100mV PB 1ms 100m...

Страница 80: ...0I C162 16M C163 17L C165 17L C166 16L C169 17L C172 14J C174 13M C301 22O C303 22N C309 21O C313 15P C315 21P C318 21P C501 3F C502 4N C505 3C C506 3D C507 4E C508 4I C509 5K C510 2D C512 3C C513 3J C515 3K C516 1K C517 4C C519 2F C522 6H C524 5G C525 3K C527 5I C530 2E C531 3F C534 4D C540 4M C541 4F C652 11B C653 1C C701 19L C702 20L C703 20K C704 20J C705 20L C706 20L C707 20L C709 20M C711 20...

Страница 81: ...720 C704 C742 C741 C750 C756 C714 C727 C740 C752 C758 C743 C739 C761 C8053 C137 C119 C115 C124 C140 W186 W831 W849 W071 L101 W006 W145 OS651 W292 C728 W294 W293 L703 Q511 D522 W295 D528 W007 D8002 L301 C516 W296 W297 R554 R553 W046 W298 C653 W289 W299 W290 W291 W302 W303 W304 L3002 TU301 W305 W306 B502 W861 W862 W863 W864 R527 W001 Q503 W015 W867 W307 W868 W871 W873 W870 W308 W876 W309 W809 W803 W...

Страница 82: ... C4064 8E C4065 11F C4066 11F C4067 8F C4068 7F C4069 7F C4070 7F C4071 6F C4072 8E C4073 7F C4074 7F C4075 6F C4076 6F C4077 5B C4078 5B C4079 5D C4080 11F C4081 5D C4082 7F C4083 7F C4084 9F C4085 7F C4086 9F C4087 12F C4088 6E C4089 6E C4090 6E C4091 10F C4092 10F C4093 5B C4094 5A C4095 7B C4096 6D C4097 10F C4098 5A C7301 3A C7302 3A C7303 3A C7304 3A C7305 3B C7306 4B C7308 3B C7310 4B C7311...

Страница 83: ...09 B4003 Q8105 C4036 R8112 B4001 B8102 C4003 R8124 R2308 C8142 B4002 R4054 C2311 R8117 R2334 C4080 C2609 C4030 C4038 C4073 C2312 W802 C8125 R2330 C4076 C8147 R8115 B4004 B7302 R4037 R2305 R4036 C8126 B4007 W862 R8116 R4018 C4074 C4024 C4089 C2623 C4014 R4023 C4075 C8110 C4072 C4065 R2304 C2647 R2337 C8129 C2627 R4053 R2303 C8149 C2626 C2645 C2632 R2326 C2642 R8122 C2615 R8135 R2611 C4033 C4010 C40...

Страница 84: ...PB AMP 3 58M BPF1 DOUBLE LIM FM DEM SUB LPF V I CONV P R Y LPF YNR COMB N L DEEM NC1 Y C MIX SYNC SEP VCA CLAMP 1 2 FBC Chara INS 6dB P R P R V AGC L101 CLAMP EQ AMP LINE AMP MUTE ALC Y C_CS Y C_DATA Y C_CLK H AMP_SW C ROTARY H SW ENV DET COMP DUMMY_V SYNC C SYNC FRONT_V_IN TUNER_V TO_NORMAL_A FROM_NORMAL_A 6 2 3 1 5 Q105 BIAS CTL 11 4 P CON 5V H AMP SW AUDIO MUTE C ROT RF SW IN ENV DET CONP OUT Q...

Страница 85: ... CTL AT 5 2V TAB SW 35 REC SAFTY SW RESET 77 1 2 3 IC3003 PST3231NR AT 5V SYSTEM RESET 5 6 EEPROM IC3099 S 24C02BDP 1A Y C DATA 54 Y C CLK 53 Y C_DATA Y C_CLK C SYNC 111 C SYNC SCL SDA COMP 101 COMP SEG5 63 SEG1 VCR LED 47 55 SEG_5 SEG_1 VCR_LED ST SELECT 31 HIFI H SW 106 HIFI ENV 32 ST_SELECT HIFI_H SW HIFI_ENV DET POWER MUTE L 87 POWER_MUTE L IIC_DATA IIC_CLK AUDIO_MUTE H V REC_ST H HIFI DEMODUL...

Страница 86: ...2 SEG9 SW Q653 4G SW Q654 SEG8 SW Q655 Q656 Q657 Q658 3G SW Q659 Q660 2G SW Q661 Q662 Q663 Q664 1G SW Q665 SEG7 SW SEG1 SW SEG3 SW SEG2 SW SEG4 SW SEG5 SW SEG6 SW 4G T_SHT_LED SEG9 SEG7 SEG8 SEG5 SEG6 SEG4 3G TV VCR_LED SEG3 2G DUB REC_LED SEG1 SEG2 1G VCR T REC_LED POWER VCR EJECT VCR DVD AT 5 2V DVD LED SW Q666 POWER DVD LED 1 KEY A KEY B 4 5 4 5 1 DVD LED D681 VCR LED D651 DVD_LED VCR_LED OPERA...

Страница 87: ...C_DATA AUDIO_OUT_R ST_SELECT FRONT_A_IN L FRONT_A_IN R HF2 HF_COM FSC HF1 FROM_NORMAL_A TO_NORMAL_A TUNER JACK SYSCON Y C AUDIO CCD HEAD AMP 51 58 40 P CON 12V P CON 5V INPUT SW AMP AMP RFC OUTPUT SW PNR BPF FM LIM DEM BLOCK AMP AMP AGC LOGIC VCO FO ADJ LOGIC 25 DBX NOISE REDUCTION L R MIX REC LPF VCO 4 2 HiFi DEMODULATOR BLOCK DIAGRM 1 3 DVD_A_OUT L DVD_A_OUT R POWER AUDIO SIGNAL PB AUDIO SIGNAL ...

Страница 88: ...AUDIO L J8004 AUDIO R J8005 SYSCON 4 VIDEO MUTE H 16 32V Q8003 VIDEO MUTE SW 4 1 DVD VCR SW IC8005 MM1501XNRE 6 2 5 3 Q8005 MUTE SW Q8007 MUTE SW SYS_MUTE Y C VIDEO OUT SW V OUT POWER P CON 5V TUNER JACK BLOCK DIAGRAM Vcc RF_CH_SW 3 Q301 MUTE SW CP8002 7 SYS_MUTE DVD_RESET 8 6 5 ZERO DVD_AUDIO_R 3 1 DVD_AUDIO_L DVD_VIDEO DVD_RESET AV SW1 DVD_A_OUT R DVD_A_OUT L NC AUDIO SIGNAL PB AUDIO SIGNAL REC ...

Страница 89: ...PROTECT Q531 PROTECT Q503 P CON 5V SW Q506 M CON POWER SW Q504 M CON 5V SW Q507 3 3V CTL AT 12 6V OPERATION DISPLAY TUNER JACK P CON 5V P CON 12V AT 5 2V POWER FAIL VCR POWER ON L AT 5V M CON DVD POWER CTL 32V P CON 12V P CON 5V AT 5 2V SYSCON SYSCON SYSCON TUNER JACK P CON 3 3V TX CP501 7 P CON 9V A P CON 5V 4 3 1 RX P CON 9V A 8 2 9 P CON 3 3V P CON 12V AT 5V 11 12 Q513 POWER FAIL SW Q514 POWER ...

Страница 90: ...RAM CD DVD LD RFA_SDEN DATA SCLK EEPROM IC4002 S 24C04BFJ TB CP4002 RF AAF_CE FE TE PI FNN FNP VBIASS0 S1 DEFECT LINK MIRR LDON HOME TIN SW TOUT SW TR FO SPDL SLED SPINDLE SLED_PWM TRACK FOCUS_PWM ADC IN 5 6 7 S MUTE HA0 HA20 HD0 HD15 SDA0 SDA11 SDD0 SDD15 I DAT 2 I CLK 2 P CON 5V P CON 9V P CON 12V AT 5V DVD RESET CP8102 DVD VIDEO DVD AUDIO L DVD AUDIO R SYSTEM MUTE STEREO DAC IC7301 PCM1742 KE 2...

Страница 91: ...mbers 3 1 1 PACKING AND ACCESSORY ASSEMBLY M1 The instruction manual to be provided with this product will differ according to the destination BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance We recommend that genuine JVC parts be used 6 3 2 1 7 6 5 9 11 12 13 15 8 SPEC OF BARCODE 14 16 ...

Страница 92: ...J 101I 101H 101E 101C 101M 101 PCB270 OPERATION PCB ASS Y 208 208 101N 101F 207 RATING LABEL 109 107 116 203 203 203 122 205 205 205 111 119 203 105 104 103 106 203 103 113 102 106 114 204 121 112 202 202 123 115 PCB010 VCR PCB ASS Y PCB130 DVD PCB ASS Y 118 120 209 209 201 124 203 203 203 110 113 203 ...

Страница 93: ...2 AC 606 612 619 606 613 614 616 617 701 618 615 600 AA AA AA AC AC AA AA SW1 CD2302 608 704 621 M2002 607 622 623 620 624 611 625 AB AA AA AA PCB68A RELAY PCB ASS Y 702 AB AB 705 603 609 610 604 602 AC AC 605 601 605 703 PCB640 SW PCB ASS Y CD2001 CD2301 Do not replace the parts Because minute adjustments are needed if this condition is disassembled further more If the repair is needed replace th...

Страница 94: ...r each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD G 313Y AE 309 325 AD AA 312 315 UN4001 M2003 505 504 H5001 503 306 305 332 507 335 342 322 508 324 302 506 501 H5002 323 508 341 331 334 333 314 301 313 307 300 317 336 346 345 321 319 320 AB 316 318 347 AB AB AB AA AA AA AA AB AB AB AB AE AE AE AE AC AC CD1501 M101 304 CD1502 510 348 ...

Страница 95: ...343 326 328 AB AB AB AA AA AD AA AA AA AA AA CD1501 CD1502 AA 339 AA AA Applying positions AA AB AC AD and AE for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD G 313Y AE ...

Страница 96: ...23 X 8965TS1017 CUSHION 65TS10 10H L17 5 124 X 761WPA0282 HOLDER DVD 201 X 8154730414 SCREW TAP TITE B M3x41R 202 X 8109130B94 SCREW TAP TITE B R PAN 3x29 203 X 8109230704 SCREW TAP TITE B R BIND 3x7 204 X 8109I30A04 SCREW TAP TITE B WH7 3x10 205 X 8109230804 SCREW TAP TITE B BIND 3x8 206 X 8109K30601 SCREW TAP TITE B BIND 3D 3x6 207 X 8107130404 SCREW TAP TITE S PAN 3x4 208 X 8110226804 SCREW TAP...

Страница 97: ...D CP2601 DVD DECK 2H0O1901 CD2301 X 122H080701 CORD DVD CP2602 DVD DECK 2H080701 CD2302 X 06CH232101 CORD DVD CP2602 DVD DECK CH232101 CP1 X 069JV80180 CONNECTOR PCB SIDE IMSA 9615S 08C P M2002 X 1515S98001 FEED MOTOR BCD3B81 PCB640 X A5E601V640 SW PCB ASS Y VEBA17A PCB68A X A5E601V680 RELAY PCB ASS Y VEBA12A SW1 X 0515S32001 SWITCH SSS 23 6 SW2 X 0500S01032 PUSH LEVER SWITCH SW1AB 271 10A VCR BOA...

Страница 98: ...KØ 1 16W R3055 NRSA63J 223X MG RESISTOR 22KØ 1 16W R3056 NRSA63J 102X MG RESISTOR 1KØ 1 16W R3057 NRSA63J 223X MG RESISTOR 22KØ 1 16W R3062 NRSA63J 102X MG RESISTOR 1KØ 1 16W R508 NRSA02J 101X MG RESISTOR 100Ø 1 4W R509 NRSA63J 101X MG RESISTOR 100Ø 1 16W R510 NRSA63J 104X MG RESISTOR 100KØ 1 16W R511 NRSA63J 564X MG RESISTOR 560KØ 1 16W R512 X R3X181683J OMF RESISTOR 68KØ 1W R513 QRE121J 391Y RES...

Страница 99: ...151 QEKJ1HM 105Z E CAPACITOR 1µF 50V C152 QETN1CM 476Z E CAPACITOR 47µF 16V C154 NCB31CK 104X CAPACITOR 0 1µF 16V C155 X CS0RB0216K CAPACITOR 1µF 16V C156 NCF21HZ 104X CAPACITOR 0 1µF 50V C158 NCB31CK 104X CAPACITOR 0 1µF 16V C159 X CS0PCH4H1J CAPACITOR 22pF 50V C162 NCB31CK 104X CAPACITOR 0 1µF 16V C163 X E524U0470D E CAPACITOR 47µF 6 3V C165 NCB31HK 473X CAPACITOR 0 047µF 50V C166 NCB21HK 683X C...

Страница 100: ...6 QEKJ0JM 476Z E CAPACITOR 47µF 6 3V C3017 NCB31HK 102X CAPACITOR 0 001µF 50V C3018 NDC31HJ 151X CAPACITOR 150pF 50V C3019 NCB31CK 104X CAPACITOR 0 1µF 16V C3020 X CS0PB04H4K CAPACITOR 0 022µF 50V C3021 QEKJ1CM 106Z E CAPACITOR 10µF 16V C3022 NDC31HJ 471X CAPACITOR 470pF 50V C3023 QETN0JM 477Z E CAPACITOR 470µF 6 3V C3024 X CS0PCH4B1J CAPACITOR 12pF 50V C3025 X CS0PCH4B1J CAPACITOR 12pF 50V C3027 ...

Страница 101: ...3S X TRANSISTOR Q664 KRC103S X TRANSISTOR Q665 X TAAA1504SY TRANSISTOR KTA1504S_Y_RTK Q666 X TPAAC05002 TRANSISTOR KRA103SRTK Q3001 X 0002700690 PHOTO COUPLER RPI 303 Q3002 X 0002700690 PHOTO COUPLER RPI 303 Q3003 X TPAAC05002 TRANSISTOR KRA103SRTK Q3004 X 0002700680 PHOTO TRANSISTOR RPI 352C40N Q3005 X 0002700680 PHOTO TRANSISTOR RPI 352C40N Q3006 X 0000M00390 PHOTO TRANSISTOR ST 304L Q3008 X 000...

Страница 102: ...RSA63J 122X MG RESISTOR 1 2KØ 1 16W R2610 NRSA63F 512X MG RESISTOR 5 1KØ 1 16W R2611 NRSA63J 472X MG RESISTOR 4 7KØ 1 16W R2612 NRSA63J 472X MG RESISTOR 4 7KØ 1 16W R2613 NRSA63J 472X MG RESISTOR 4 7KØ 1 16W R2614 NRSA63F 123X MG RESISTOR 12KØ 1 16W R2615 NRSA63J 100X MG RESISTOR 10Ø 1 16W R2616 NRSA63J 102X MG RESISTOR 1KØ 1 16W R2617 NRSA63J 102X MG RESISTOR 1KØ 1 16W R2618 NRSA63J 100X MG RESIS...

Страница 103: ...1 16W R8151 NRSA63J 103X MG RESISTOR 10KØ 1 16W C2301 NCB31EZ 104X CAPACITOR 0 1µF 25V C2302 NCB31CK 104X CAPACITOR 0 1µF 16V C2303 NCB31CK 104X CAPACITOR 0 1µF 16V C2304 NDC31HJ 221X CAPACITOR 220pF 50V C2305 NDC31HJ 221X CAPACITOR 220pF 50V C2306 NCB31EZ 104X CAPACITOR 0 1µF 25V C2307 NCB31CK 104X CAPACITOR 0 1µF 16V C2308 NCB31CK 104X CAPACITOR 0 1µF 16V C2309 NCB31HK 102X CAPACITOR 0 001µF 50V...

Страница 104: ...OR 0 1µF 25V C4076 NCB31EZ 104X CAPACITOR 0 1µF 25V C4077 NCB31EZ 104X CAPACITOR 0 1µF 25V C4078 QETN1CM 476Z E CAPACITOR 47µF 16V C4079 NDC31HJ 101X CAPACITOR 100pF 50V C4080 NCB31HK 103X CAPACITOR 0 01µF 50V C4081 NCB31EZ 104X CAPACITOR 0 1µF 25V C4082 NCB31EZ 104X CAPACITOR 0 1µF 25V C4083 QETN1CM 476Z E CAPACITOR 47µF 16V C4084 QETN1CM 476Z E CAPACITOR 47µF 16V C4085 NCB31HK 102X CAPACITOR 0 0...

Страница 105: ...2 X TNAAC05002 COMPOUND TRANSISTOR Q8103 X TPAAA05001 TRANSISTOR KRA101SRTK Q8104 X TCAA3875SY TRANSISTOR KTC3875S_Y_RTK Q8105 X TCAA3875SY TRANSISTOR KTC3875S_Y_RTK Q8106 X TNAAD05001 TRANSISTOR KRC104SRTK Q8107 X TCAA3875SY TRANSISTOR KTC3875S_Y_RTK B2601 X 024HC31022 CORE BEADS B2602 X 024HC31022 CORE BEADS B2603 X 024HC31022 CORE BEADS B2604 X 024HC31022 CORE BEADS B2605 X 024HC31022 CORE BEAD...

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Содержание HR-XVC25UC

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