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JVC HR-XVC1U, Service Manual

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JVC HR-XVC1U Service Manual Download Page 107

2-37

2-38

36

37

SOUND AMP

10

µ

s

200mV

31

10

µ

s

200mV

32

10

µ

s

200mV

33

500ns

100mV

34

500ns

1.0V

35

5

µ

s

500mV

38

5

µ

s

5.0V

39

POWER

WAVEFORMS

The following waveforms were measured at the point of the corresponding

balloon number in the schematic diagram.

NOTE:

Summary of Contents for HR-XVC1U

Page 1: ...up ACCESSORIES AC 120V 60Hz Operation 20W Stand by 3W 9 9lbs 4 5 kg Width 16 15 16 inches 430 mm Height 3 7 8 inches 99 mm Depth 12 1 4 inches 311 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 ...

Page 2: ......

Page 3: ...ION TORQUE DURING PLAY BACK 1 20 1 3 CONFIRMATION OF VSR TORQUE 1 20 1 4 CONFIRMATION OF REEL BRAKE TORQUE 1 21 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM 1 21 2 1 GUIDE ROLLER 1 21 2 2 CONFIRMATION AND ADJUSTMENT OF AUDIO CONTROL HEAD 1 22 2 3 TAPE RUNNING ADJUSTMENT 1 22 ELECTRICAL ADJUSTMENTS 1 BASIC ADJUSTMENT 1 23 1 1 SWITCHING POINT 1 23 ELECTRICAL ADJUSTMENT PARTS LOCATION GUID...

Page 4: ...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...

Page 5: ...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 ...

Page 6: ...VICING 4 Confirm that the screws parts and wiring which were removed in order to service are put in the original positions or whether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation between the antenna terminal or external metal and the AC cord plug blades And be sure the safety of that 2 USE THE DESIGNATED PARTS The parts in this equip...

Page 7: ... 2 FLAP Refer to Fig 1 2 1 2 Open Flap to 90 and flex in direction of arrow A at the same time slide in direction of arrow B Then lift in direction of arrow C 1 3 VCR DECK Refer to Fig 1 3 1 2 3 4 Unlock the 2 supports 1 and remove the Top Holder Remove the 3 screws 2 Disconnect the following connectors CP101 CP102 CP103 and CP3001 Remove the AC Head Cover and VCR Deck in the direction of arrow 1 ...

Page 8: ...4002 Remove the 4 screws 4 Remove the Deck CD in the direction of arrow C Remove the 4 screws 5 Remove the MPEG Shield in the direction of arrow D Remove the MPEG MT PCB in the direction of arrow E Fig 1 5 2 MPEG MT PCB 1 5 4 2 CP4001 CP4002 1 5 DECK CD AND MPEG MT PCB Refer to Fig 1 5 4 4 4 Deck CD C 5 5 5 MPEG Shield D E 1 Deck Angle 1 Deck Angle 2 Front Shield 3 3 A CP503 B 1 6 POWER PCB Refer ...

Page 9: ... 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 two positions 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 ...

Page 10: ...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 Tension Connect Tension Spring Tension Arm Ass y Tension Holder 1 1 3 2 4 NOTE 1 2 ...

Page 11: ...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 installing the reel adjust the height of the reel Refer...

Page 12: ...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 2 Re...

Page 13: ...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...

Page 14: ...ss y installation install 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 Remove the P4 Cap Unlock the support 1 and remove the Cassette Guide Post Remove the Inclined Base S Unit and Inclined Base T Unit Fig 2 18 A Cassette ...

Page 15: ...ring the IC leads completely Fig 4 2 Blower type IC desoldering machine IC 3 When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine Refer to Fig 4 3 NOTE Some ICs on the PCB are affixed with glue so be careful not to break or damage the foil of each IC leads or solder lands un...

Page 16: ...eld Wire Refer to Fig 4 7 NOTE Do not absorb the solder to excess Fig 4 7 Soldering Iron IC Braided Shield Wire 4 When bridge soldering between terminals and or the soldering amount are not enough resolder using a Thin tip Soldering Iron Refer to Fig 4 8 Fig 4 8 Thin tip Soldering Iron IC 5 Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnorm...

Page 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...

Page 18: ...eparator 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 ...

Page 19: ...VE CHECKS AND SERVICE INTERVALS CONFIRMATION OF HOURS USED Can be checked of the INITIAL DATA of MEMORY IC Refer to the NOTE FOR THE REPLACING OF MEMORY IC Set Key FF 2 CH UP STOP 2 CH UP PLAY 2 Initialization of the factory on VCR NOTE Do not use this for the normal servicing If you set a factory initialization the memories are reset such as the clock setting the channel setting and PLAY REC tota...

Page 20: ...onnect the set to TV Monitor Turn on the POWER Press both CH UP button on the set and the FF button on the set for more than 2 seconds ADDRESS and DATA will appear on TV Monitor as Fig 1 INIT 00 C2 PLAY REC 0000 ADDRESS DATA NOTE No need setting for after INI 2D INI 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 0A A0 CA 10 64 64 4A 86 0B 2F 86 2F 0A 08 0A 0F 10 AF 97 95 8A 40 55 31 04 24 A5 9F 3A 00 10 BF 00...

Page 21: ...io Control Head Full Erase Head Recorder only Capstan Belt Pinch Roller Capstan DD Unit Loading Motor Tension Band Capstan Shaft Tape Running Guide Post Cylinder Unit Clean those parts in contact with the tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head T Brake Band Clutch Ass y Idler Arm Ass y NOTE If you set a factory initialization th...

Page 22: ...gure below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE Do not exert force against the...

Page 23: ...LY 1 Remove the Top Cabinet and Front Cabinet Refer to item 1 of the DISASSEMBLY INSTRUCTIONS 2 Rotate the white gear of Deck CD section in the direction of the arrow by hand remove the disc from Deck CD Refer to Fig 3 1 Fig 3 1 Deck CD Gear White 1 DVD SECTION ...

Page 24: ...P101 J8005 J8003 J8004 V651 CP651 CP8002 CP8001 CP1701 CP681 CD8501 CP8502 CP4001 CP4002 CP502 CP503 AC IN VCR MT PCB OPERATION PCB MPEG PCB DECK CD POWER PCB CD651 CD8002 CD4001 CD4002 CD502 CD503 A C HEAD C D 1 0 2 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE WIRING CONNECTION ...

Page 25: ...stment Screwdriver Torque Tape Short Jumper 1 2 3 4 5 6 7 8 9 10 1 Tension Connect 2 Tension Arm 3 Guide Roller 4 Audio Control Head 5 X value adjustment driver hole 6 7 8 9 10 P4 Post T Brake Spring T Reel S Reel Adjusting section for the Tension Arm position PECULUIAR SERVICE 2 VHS SECTION MECHANISM ADJUSTMENT PARTS LOCATION GUIDE ...

Page 26: ... to wind the Video Tape in the Cassette Case Repeat the above step 3 4 Then take out the Video Cassette from the Deck Chassis Be careful not to scratch on the tape Fig 1 1 A Standard line of Main Chassis Tension Arm 0 5mm Adjusting range Fig 1 1 B Adjusting section for the Tension Arm position Tension Band The Tension Arm top will move to the inside direction of the Main Chassis The Tension Arm to...

Page 27: ... T Brake Spring T Brake Arm 1 4 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM Tape Running Mechanism is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of 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...

Page 28: ...5mm 2 3 TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT 1 2 3 4 5 6 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 2 to TP101 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape MHP Press and hold the Tracking Auto ...

Page 29: ... 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 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR MT PCB TP3002 TP101 TP3001 TU301 TP8001 J8001 J8008 J8006 J8009 J80...

Page 30: ...CV_IN1 IN Composite 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 2 FSC pulse 22 4 2 FSC_IN 4 2 FSC_IN IN 2 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 sign...

Page 31: ... 55 P35 SEG1 OUT IN 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 IN DATA terminal for IIC BUS communication 63 P22 SCK1 SEG5 OUT LEM LED ...

Page 32: ...f control output 95 P77 RPG7 RPB AUDIO_OUT_MUTE OUT H for at AUDIO MUTE L 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 G H AMP SW OUT Switching outpu...

Page 33: ...ERVO TIMING CHART VCR MT PCB IC3001 OEC0110A 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 ...

Page 34: ... 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...

Page 35: ...OES NOT TURN ON NO VCR SECTION YES NO NO YES YES Check IC3001 Check IC3001 Check Q506 Q504 Check pin 13 of T501 and peripheral circuit Is the voltage at pin 14 of CP502 about 5 2V Is there voltage at pin 42 of IC 3001 Does display light ...

Page 36: ...button YES YES YES NO 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 Q3001 Q3002 and CAPSTAN BELT Does intermittently the power cut Check Q3001 Q3002 IC3001 and sag of CAPSTAN BELT Check the POWER BLOCK ...

Page 37: ...S 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 5 of CP3001 3 5V Check AUDIO BLOCK ...

Page 38: ...T BE INSERTED Check WORM GEAR of cassette loading block YES YES YES YES NO 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 When a CASSETTE is inserted is pin 5 of IC3001 5V Check circuit of loading motor ...

Page 39: ...ects immediately Check IC3001 Does another CASSETTE insert Check SW3001 Defective CASSETTE or cassette 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 ...

Page 40: ... IC3001 change Check line of IC3001 at pin29 and pin30 YES YES NO 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 69 and pin 70 of IC3001 Check Q3001 and Q3002 Change IC3001 ...

Page 41: ...iately Check power block Change IC3001 Check Q3001 and Q3002 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 CP502 12 6V At play is the voltage at pin 12 of CP3001 2 6V Is PG PULSE signal inputted to pin 104 of IC3001 ...

Page 42: ... 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 CLT pulse signal about 2 5Vp p appear at pin 7 of IC3001 Check CONTROL HEAD CHANGE IC3001 ...

Page 43: ...LY Does a noise 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 Change IC1001 ...

Page 44: ...OES 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 IC8001 Is there video signal of IC8001 at pin 6 Is there video signal of IC3001 at pin 19 Check jack J8001 Change IC3001 ...

Page 45: ...26 of IC101 Check pin 19 of IC3001 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 ...

Page 46: ...y a wave of video signal of EMITTER of Q8004 Check J8001 Check Q8004 Check CYLINDER TROUBLESHOOTING CUIDE Check IC3001 Change CYLINDER MOTOR YES YES NO NO AT PLAYBACK AND RECORDING CYLINDER MOTOR UNLOAD Is the voltage at pin 8 of CP3001 about DC12 6V Check at 12 6V line power block In playback is at pin 12 of CP3001 about DC2 6V ...

Page 47: ...n E E DOES NOT APPEAR Is the voltage at pin 6 of IC101 about 2 5V Check C4024 and around circuit of it 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 ...

Page 48: ...n 7 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 sine wave at pin 5 of L101 Check lead wire of A C HEAD and CONNECTOR ...

Page 49: ...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 In playback is there voltage at pin 2 of CP3001 27V Check POWER BLOCK Change IC3001 In playback is there voltage at pin 102 of IC3001 2 5V DD MOTOR rotate now If not replace it ...

Page 50: ... INPUT JACK OR TUNER Is there video signal at pin 30 32 of IC 3001 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 IC3001 Change IC3001 Change IC101 Is there video signal at pin 26 of IC101 Check CYLINDER UNIT and circuit around of CP101 ...

Page 51: ...oes normality AUDIO JACK CONNECT Connection is done over again Check POWER BLOCK Are there thevoltage of MB 5V PB 5V TU 32V of TU301 Check the picture Is there video signal at pin 24 of TU301 Change TU301 Change IC101 Change IC301 Is there video signal at pin 26 of IC101 Is there video signal at pin 19 of IC301 Check J8001 ...

Page 52: ...STEREO appear Is the voltage at pin 7 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 IC301 Change IC101 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 ...

Page 53: ...OES 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 IC101 Change IC701 Is there video signal at pin 10 15 of IC701 Is there video signal at pin 53 57 of IC701 Check circuit around of J8001 ...

Page 54: ...MONO appear Refer to section E E AUDIO MONO DOES NOT APPEAR Check circuit around of TU301 at pin 22 Change IC701 Check IC8001 at pin 3 5 Is there video 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 ...

Page 55: ...ection 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 pin of IC701 Check ciruit around of TU301 Change IC701 Check IC8001 of pin 3 and 5 Is there audio signal a collector of Q8005 and Q8006 Check circuit around of J8001 Change IC701 ...

Page 56: ...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 ...

Page 57: ... 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 IC101 Check CYLINDER UNIT Change IC701 Check circuit arounf of J8004 J8005 and TU301 Refer to section E E AUDIO MONO DOES NOT APPEAR ...

Page 58: ...DVD mode unstable DVD SECTION YES YES YES YES NO NO NO NO Deck does not accept open close Is the DVD display out Can it open and close it manually 1 Change DECK CD DVD mode unstable page reference Change DECK CD Is CD503 connected correctly 1 Turn GEAR of DECK CD front lower part to open and close TRAY manually ...

Page 59: ...501 Change IC8501 Change DECK CD Change X1001 Change IC4001 YES YES YES YES NO NO NO NO DVD screen without going out Are CD4001 CD4002 connected correctly CD4001 CD4002 are connected again Connector on the side of DECK CD is not turning or short Is X1001 oscillating ...

Page 60: ...NO NO NO Does display Incorrect Disc after reading When it playback dvd disc as for SPINDLE MOTOR is it revolve Are there output signals at pins 57 58 59 of C8501 DVD screen without going out page reference Is CD4001 connected correctly CD4001 is connected again Check IC8001 and peripheral circuit ...

Page 61: ...table Change DECK CD YES YES YES NO NO NO Is CD4001 connected correctly CD4001 is connected again Connector on the side of DECK CD is not turning or short Are CD8002 CD8501 connected correctly Change DECK CD CD8002 CD8501 are connected again ...

Page 62: ...D Change IC4001 YES YES YES NO NO NO As for the motor is it revolve at the time of reading Connector on the side of DECK CD is not turning or short Are there input signals at pin 3 4 5 6 of IC4001 Change DECK CD Check connection of CP4002 and peripheral circuit ...

Page 63: ... NO NO NO NO No digital audio on playback Is there waveform at pin 3 of IC8504 Are there audio signals at pin 1 4 of IC8504 Is there audio waveform at pin 117 of IC4001 Is there waveform at pin 16 of CP4002 Check OS8001 and peripheral circuit of J8007 Check peripheral circuit of IC8504 ...

Page 64: ...pin 3 5 of IC8001 Check circuit around of J8001 Change IC8504 Is there audio waveform at pin 3 14 of IC8007 Check circuit around of IC8007 Is there audio waveform at pin 3 5 of IC8004 Change IC8007 Change IC8007 Change IC8503 or IC4001 Is there audio waveform at pin 1 14 of IC8504 Is there audio waveform at pin 7 8 of IC8503 ...

Page 65: ... 43 44 of IC8501 Is there Y U V waveform at pin 7 9 and 11 of CP8502 Check circuit around of J8008 Check circuit around of D8504 D8508 and D8512 Are there signals at pins 13 14 15 16 19 20 0f IC8501 Check circuit around of IC8501 Change IC8501 Are there signals at pins 92 94 95 96 97 99 of IC4001 Change IC4001 or DECK CD ...

Page 66: ... playback picture of S VIDEO jack Are there Y signal at pin 59 and C signal at pin 58 of IC8501 Check D8506 and circuit around of D8510 Are there waveform at pins 13 16 19 22 of IC8501 Are there waveform at pins 92 94 97 99 101 of IC8501 Check IC8501 and circuit around of IC4001 ...

Page 67: ...em Front Motor 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 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 1 10 Slow Speed 1 10 G 4 Tuning Broadcasting System US System M Syst...

Page 68: ...ode at SLP 100Hz 4 KHz Hi Fi Audio Signal Dynamic Range More than 90dB Frequency Response 20Hz 20kHz Wow And Flutter Less than 0 01 Wrms Channel Separation More than 60 dB Harmonic Distortion Less than 0 01 G 10 On Screen Menu Yes Display DVD Menu Type Character Rating Level Yes Audio Yes Sub Title Yes TV Screen Size Yes OSD Display On Off Yes Menu Language Yes Audio Output No Video Output RGB Com...

Page 69: ... Yes ATR Manual Tracking Yes Hi Fi Yes G 11 OSD Language DVD OSD Eng Fre Spa VCR OSD Eng Fre Spa OSD Language Setting English 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 5 Hours 30 60 90 120 180 240 300 OTPB Valid Time No Timer Back up at Power Off Mode 5 sec G 13 Display DISPLAY Yes DISPLAY type LED Module Amber Rec T...

Page 70: ...T TRACKING Yes TV No VCR Yes DVD Yes VCR DVD No TV VCR Yes DVD MENU Yes TITLE Yes SET UP VCR MENU Yes SELECT ENTER Yes CLEAR CANCEL Yes RETURN Yes PLAY Yes STOP Yes PAUSE STILL Yes FF Cue SEARCH Yes REW Review SEARCH Yes REC OTR 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 ZOO...

Page 71: ...DEO 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 Surround Yes G 16 Accessories Owner s Manual Language English French U C only w Guarantee Card Yes Remote Control Unit Yes Guarantee Card No Product Registration Card Yes Warning Sheet No Service Statio...

Page 72: ...al x 1 Digital Audio DVD Signal Only Optical Out Option 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 310 5 x 99 G 19 Weight Net Approx 4 5 kg 9 9 lbs Gross Approx 5 5 kg 12 1 lb...

Page 73: ......

Page 74: ...65 Corporate Avenue Cypress California 90630 0024 1500 Lakes Parkway Lawrenceville Georgia 30043 5857 2969 Mapunapuna Place Honolulu Hawaii 96819 2040 973 317 5000 973 396 1000 630 851 7855 714 229 8011 770 339 2582 808 833 5828 JVC CANADA INC Head office Montreal Vancouver 21 Finchdene Square Scarborough Ontario M1X 1A7 16800 Rte Trans Canadienne Kirkland Quebec H9H 5G7 13040 Worster Court Richmo...

Page 75: ...NSMITTER 4 X 791WHA0100 GIFT SHEET 5 X 792WHA0344 PACKAGE 6 X 792WHA0345 PACKAGE PAD TOP 7 X 792WHA0346 PACKAGE PAD UNDER REF No PART No PART NAME DESCRIPTION REF No PART No PART NAME DESCRIPTION 8 X 793WCD1390 GIFT BOX HR XVC1U X 793WCD11410 GIFT BOX HR XVC1U C 9 X 795WCA0661 PAD DVD VR 11 X JB5KD200 POLY BAG 12 X J2A30201 INSTRUCTION BOOK X J2A30401 INSTRUCTION BOOK HR XVC1U C 13 X J5500117 REGI...

Page 76: ...02 627 702 702 702 702 626 702 702 624 625 625 633 638 642 629 704 704 704 704 704 601 608 609 612 613 614 615 615 616 618 618 610 611 616 617 632 706 706 706 PCB270 OPERATION PCB 705 703 703 703 PCB240 POWER PCB 621 628 703 703 PCB120 MPEG MT PCB 703 703 703 703 630 631 DK4001 636 635 634 637 703 703 703 703 602 603 603 604 605 606 606 607 703 PCB010 VCR MT PCB TU301 V651 703 640 623 701 701 701 ...

Page 77: ...99 SHEET JACK 623 X 752WSA0275 COVER AC HEAD 624 X 753WSA0148 SHIELD FRONT 625 X 753WUA0060 SPRING EARTH 626 X 761WSA0082 ANGLE CENTER 627 X 761WSA0085 ANGLE DECK1 628 X 761WSA0086 ANGLE DECK2 629 X 702WSB0065 CABINET TOP 630 X 712WPJ0759 PLATE TRAY FRONT 631 X 7235630001 SHEET DVD 632 X 738WPA0033 BUTTON HOLDER2 633 X A2A302A730 CABINET BOTTOM ASSY 634 X 752WSA0279 SHIELD M PEG 635 X 753WUA0061 S...

Page 78: ...s applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD 312 315 UN4001 M2003 502 504 H5001 503 306 305 332 507 335 342 322 508 324 302 506 304 M101 501 H5002 323 508 341 331 334 333 314 301 313 307 300 317 309 336 346 345 321 319 320 AB 316 318 325 347 AB AB AB AD AA AA AA AA AB AB AB AB AB AB AB AB AC AC AA ...

Page 79: ...8 344 327 343 326 328 AA AA AB AB AB AA AA AD AA AA AA AA AA CD1501 CD1502 Applying positions AA AB AC and AD 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 AA ...

Page 80: ...N LOADING 330 X 85OP400490 LEVER TENSION 331 X 85OP400492 HOLDER TENSION 332 X 85OP400520 CAP P4 333 X 85OP400539 BAND TENSION 334 X 85OP400533 CONNECT TENSION 335 X 85OP600573 ARM BRAKE T 336 X 85OP600583 BAND BRAKE T 337 X 85OP600577 CAM PINCH ROLLER 338 X 85OP600578 CAM MAIN 339 X 85OP600579 ROD MAIN 340 X 85OP600582 GEAR JOINT 341 X 85OP800322 SPRING TENSION 342 X 85OP800360 SPRING BRAKE T 343...

Page 81: ...2J 181X MG RESISTOR 180Ω 1 10W R675 NRSA02J 821X MG RESISTOR 820Ω 1 10W R701 NRSA02J 391X MG RESISTOR 390Ω 1 10W R702 NRSA02J 391X MG RESISTOR 390Ω 1 10W R703 NRSA02J 332X MG RESISTOR 3 3KΩ 1 10W R704 NRSA02J 332X MG RESISTOR 3 3KΩ 1 10W R707 NRSA02J 473X MG RESISTOR 47KΩ 1 10W R708 NRSA02J 682X MG RESISTOR 6 8KΩ 1 10W R711 NRSA02J 473X MG RESISTOR 47KΩ 1 10W R712 NRSA02J 682X MG RESISTOR 6 8KΩ 1 ...

Page 82: ...A02J 822X MG RESISTOR 8 2KΩ 1 10W R8056 NRSA02J 272X MG RESISTOR 2 7KΩ 1 10W R8057 QRE141J 121Y RESISTOR 120Ω 1 4W R8058 QRE141J 121Y RESISTOR 120Ω 1 4W R8065 NRSA02J 471X MG RESISTOR 470Ω 1 10W R8067 NRSA02J 471X MG RESISTOR 470Ω 1 10W R8068 NRSA02J 474X MG RESISTOR 470KΩ 1 10W R8069 NRSA02J 472X MG RESISTOR 4 7KΩ 1 10W R8072 NRSA02J 470X MG RESISTOR 47Ω 1 10W R8073 NRSA02J 470X MG RESISTOR 47Ω 1...

Page 83: ...35V C760 QEKJ1HM 105Z E CAPACITOR 1µF 50V C761 X E524U0470D E CAPACITOR 47µF 6 3V C762 NDC21HJ 681X CAPACITOR 680pF 50V C763 NDC21HJ 681X CAPACITOR 680pF 50V C764 X E02LU52R2M E CAPACITOR 2 2µF 50V C1702 QETN1HM 105Z E CAPACITOR 1µF 50V C1703 QETN1HM 106Z E CAPACITOR 10µF 50V C1706 QETN1VM 226Z E CAPACITOR 22µF 35V C1708 QETN0JM 477Z E CAPACITOR 470µF 6 3V C1713 QETN0JM 477Z E CAPACITOR 470µF 6 3V...

Page 84: ... 1SS133 T2 DIODE D8010 1SS133 T2 DIODE D8011 MTZJ5 6B T2 ZENER D8012 MTZJ5 6B T2 ZENER D8013 MTZJ5 6B T2 ZENER D8014 MTZJ5 6B T2 ZENER D8015 MTZJ5 6B T2 ZENER Q3001 X 0002700690 PHOTO COUPLER RPI 303 Q3002 X 0002700690 PHOTO COUPLER RPI 303 Q3004 X 0002700680 PHOTO COUPLER RPI 352C40N Q3005 X 0002700680 PHOTO COUPLER RPI 352C40N Q3006 X 0000100380 PHOTO TRANSISTOR PNA2604M010R Q3008 X 0000100380 P...

Page 85: ...ry shipment PCB120 X A2A303A120 PCB ASSY R1001 NRSA63J 103X MG RESISTOR 10KΩ 1 16W R1002 NRSA63J 472X MG RESISTOR 4 7KΩ 1 16W R1003 NRSA63J 472X MG RESISTOR 4 7KΩ 1 16W R1004 NRSA63J 472X MG RESISTOR 4 7KΩ 1 16W R1005 NRSA63J 472X MG RESISTOR 4 7KΩ 1 16W R1006 NRSA63J 103X MG RESISTOR 10KΩ 1 16W R1007 NRSA63J 102X MG RESISTOR 1KΩ 1 16W R1008 NRSA63J 472X MG RESISTOR 4 7KΩ 1 16W R1009 NRSA63J 472X ...

Page 86: ...4X CAPACITOR 0 1µF 25V C4016 NCB31EZ 104X CAPACITOR 0 1µF 25V C4017 X E524U1221D E CAPACITOR 220µF 10V C4018 NCB31EZ 104X CAPACITOR 0 1µF 25V C4019 NCB31EZ 104X CAPACITOR 0 1µF 25V C4020 X E524U0470D E CAPACITOR 47µF 6 3V C4021 NCB31EZ 104X CAPACITOR 0 1µF 25V C4022 NCB31EZ 104X CAPACITOR 0 1µF 25V C4025 NCB31EZ 104X CAPACITOR 0 1µF 25V C8501 NCB31EZ 104X CAPACITOR 0 1µF 25V C8502 NCB31EZ 104X CAP...

Page 87: ...21 QRE141J 271Y RESISTOR 270Ω 1 4W R522 X R4X5T6332F RESISTOR 3 3KΩ 1 6W R524 QRE141J 821Y RESISTOR 820Ω 1 4W R525 QRE141J 103Y RESISTOR 10KΩ 1 4W R536 QRE141J 102Y RESISTOR 1KΩ 1 4W C501 X E5EZF3222M E CAPACITOR 2200µF 25V C502 X P2472B104M MF CAPACITOR 0 1µF 275V C505 X E5EZU2221M E CAPACITOR 220µF 16V C507 X C0JTB05H3K CAPACITOR 0 0022µF 500V C508 X P1S3T0822J F CAPACITOR 0 0082µF 50V C509 X P1...

Page 88: ...A270 PCB ASSY R681 QRE141J 133Y RESISTOR 13KΩ 1 4W R683 QRE141J 682Y RESISTOR 6 8KΩ 1 4W R685 QRE141J 392Y RESISTOR 3 9KΩ 1 4W R687 QRE141J 272Y RESISTOR 2 7KΩ 1 4W R688 QRE141J 332Y RESISTOR 3 3KΩ 1 4W R689 QRE141J 103Y RESISTOR 10KΩ 1 4W R690 QRE141J 561Y RESISTOR 560Ω 1 4W D681 X 0021E5Q210 LED LTL 1CHGE 002A SW681 X 0504201T32 TACT SWITCH SKQNAED010 SW682 X 0504201T32 TACT SWITCH SKQNAED010 SW...

Page 89: ... 5V A P CON 5V D MOTOR GND GND GND P CON 9V A P CON 5V A P CON 5V D CP503 CD DATA SPDIF BCK LRCK C2PO 16M SCLK GND GND GND HRST TXD RXD RDY HIF EMPH HD INT GND GND GND GND GND GND GND DCLK DBGN DERR DACK DREQ SDT0 POWER ON H MOTOR 24V TUNER 32V P FAIL UNREG 3 3V MOTOR GND MOTOR 12V AT 5 2V LED AT 5 2V GND GND UNREG 3 3V AT 5 2V AT 13V POWER ON H MOTOR 24V TUNER 32V P FAIL UNREG 3 3V MOTOR GND MOTO...

Page 90: ... LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION F501_1 4A125V HS502 763WAA0186 HS501 763WSA0016 L501_1 0R7A223F24 1 2 3 4 FH502_1 EYF 52BC FH501_1 EYF 52BC IC503 LTV 817M VB PHOTO COUPLER 1 2 3 4 R512_1 27K 1W R502 0 39 1W R504 560 1W REPLACE ONLY WITH THE SAME TYPE FUSE CAUTION FOR CONTINUED PROTECTION AGAINST...

Page 91: ... YUV5 DVDSOS YUV6 CDDATA YUV7 HSYNC CDCLK DVDSTB VSYNC SPDIF CD ASDAT0 CS HRST HD7 SSC SCLK HD6 SSC ATN HD5 HD4 HD3 HD2 HD1 YUV0 HD0 YUV1 HA4 YUV2 HA3 YUV3 HA2 YUV4 HRST HA1 YUV5 SSC MRST SSC MTSR HWR YUV6 SSC SCLK SSC ATN HD7 HD6 MPGCS YUV7 HD5 HD4 HRD HD3 HD2 HSYNC MA4 HD1 MA3 HD0 VSYNC MA5 HA4 MA2 HA3 MA6 HA2 MA1 HA1 MPGIRQ MA7 HWR MA0 MPGCS MA8 HRD MA10 MPGIRQ MA9 MPGRST MA11 MPGSTBY MCS0 MRAS...

Page 92: ...MA10 MD14 MD1 MA9 MA11 MCS0 MRAS MPCLK MCAS MD13 MD2 MWE MDQM MD8 MD12 MD3 MD7 MD9 MD6 MD10 MD5 MD11 MD11 MD4 MD4 MD12 MD3 MD10 MD5 MD13 MD2 MD14 MD1 MD15 MD0 MD9 MD6 MD8 MD7 MDQM MDQM MWE MPCLK MCAS MRAS MCS0 MA9 MA11 MA8 MA10 MA7 MA0 MA6 MA1 MA5 MA2 MA4 MA3 P CON 3 3V DGND MPEG PCB SDRAM SCHEMATIC DIAGRAM FROM TO MPEG 3 3 NC NC VSS I O15 I O14 VSSQ I O13 I O12 VCCQ I O11 I O10 VSSQ I O9 I O8 VCC...

Page 93: ... SSC ATN HD7 HA4 HD6 HD5 HA3 HD4 HD3 SI2 HA2 HD2 HD1 SO2 HA1 HD0 HA4 HA3 HA2 HA1 HWR HD7 MPGCS HRD MPGIRQ MPGRST HD6 MPGSTBY HRDY HD5 HD4 HD3 HD2 HD1 HD0 MPGIRQ MPGRST MPGSTBY DVD_RESET MIC_ON RESET MPGCS CD DVD HRD HWR DVD SYSCON SCHEMATIC DIAGRAM MPEG PCB FROM TO MPEG FROM TO VIDEO ENCODER VCC P47 A07 P46 A06 P45 A05 P44 A04 P43 A03 P42 A02 P41 A01 VCC P40 A00 P37 D31 VSS P36 D30 P35 D29 P34 D28...

Page 94: ...CH C8522 330P CH C8551 0 1 F C8531 0 1 F C8535 0 1 F C8506 0 1 F C8538 0 1 F C8524 0 1 F C8548 330P CH C8539 270P CH C8512 1 21 25 B C8505 0 1 F DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DGND P CON 3 3VB P CON 3 3V SCL SDA CLK27 RESET AMCLK CLK27 SI2 AB...

Page 95: ...02 IMSA 9604S 06Z14 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 2F061501 FFC COMP H SW ENV DET H AMP_SW C ROTARY Y C_CS Y C_DATA Y C_CLK P CON 5V P CON 5V AUDIO_MUTE H DVD_V_OUT FSC P CON 5V GND FRONT_V_IN TU REAR_V_IN Y C_VIDEO_OUT FSC TO_NORMAL_A FROM_NORMAL_A HF1 HF_COM HF2 Y C_CLK Y C_DATA Y C_CS DUMMY_V SYNC V REC_ST H C ROTARY AUDIO_MUT...

Page 96: ... CTL GND H AMP_SW MOTOR_GND COMP CAP_LIMIT ENV DET H SW TU_A_MUTE H Y C_CS Y C_DATA TV VCR SEG_1 Y C_CLK POWER_MUTE L Y C_DATA SURROUND_ON H Y C_CLK 5G CS BS_LED SURROUND_ON H 4G T_SHT_LED SW_V_OUT 3G TV VCR_LED AV_SW1 AV_SW1 2G DUB REC_LED SCL SDA Y C_CS 1G VCR T REC_LED CAP_FG AFT S CURVE CENT_LED VCR_LED CAP_VCO TV VCR P CON 5V AUDIO_MUTE H DVD_LED VIDEO_OUT CAP_F R TU_A_MUTE H V REC_ST H CAP_L...

Page 97: ... KA C8031 4 7 50V KA C8033 10 16V KA C313 10 16V KA R8065 470 R302 1K R301 22K R304 10K R8019 75 R8009 4701 2W R8016 1K R8017 1K R8014 390 R8015 390 1 4W R8004 120 R8003 68 R8006 10 R8007 10 R8008 15 R8002 10 R8010 75 R8028 15 R8029 15 R8030 15 R8034 4701 4W R8032 4701 4W R8044 12K R8072 47 R8073 47 R8005 10 R8067 470 R8011 100 C304 0 01 F C8099 470P CH C8100 470P CH C303 0 1 F C8010 0 1 F C8095 0...

Page 98: ... 1 4W R1715 560 1 4W R1716 2 2K 1 4W C1708 470 6 3V YK C1713 470 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 AT EACH PART WAS CAP_VCO AT 12 6_V MOTOR_GND AT 5 2V AT 5 2V P CON 5V P CON 12V P CON 5V P CON 12V GND P CON 5V_DH AT 5V M CON P CON 3 3V AT 5 2V AT 5 2V_V...

Page 99: ...3 330 R651 1001 4W R673 180 R672 180 R662 180 R675 820 R674 180 R667 180 R664 820 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 AT EACH PART WAS Q666 KRA103SRTK DVD LED SW CAUTION DIGITAL TRANSISTOR CD651 2H052402 FFC DVD_LED VCR_LED 1G VCR T REC_LED 2G DUB...

Page 100: ... NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS FSC SCL P CON 5V SDA SIF_OUT AUDIO_MUTE H FRONT_A_IN_R FRONT_A_IN_L HIFI_A_OUT_L HIFI_A_OUT_R RF_CONV_A_OUT SIF_OUT 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 RF_CONV_A_OUT HF1 HF_COM FSC TO_NORMAL_A ...

Page 101: ...C8081 100P CH C8090 0 1 F C8079 100P CH C8077 0 0015 B C8052 4 7 50V 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 AT EACH PART WAS Q8013 KRA101SRTK MUTE SW CAUTION DIGITAL TRANSISTOR CD80022S0I2001 FFC TX RX P CON 5V_DH P CON 3 3V SPDIF 134 Y_OUT C_OUT SPDIF 134 DVD_Y D...

Page 102: ...A DVD LED CP681_1 52492 0520 1 2 3 4 5 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME R690 5601 4W R688 3 3K 1 4W R689 10K1 4W R683 6 8K 1 4W R681 13K1 4W R685 3 9K 1 4W R687 2 7K 1 4W OPERATION PCB OPERATION SCHEMATIC DIAGRAM CP651 FROM TO OPERATION DISPLAY...

Page 103: ...C8529 C8527 R8507 D8506 D8505 D8509 D8510 R8509 C8539 C8548 C8533 R8516 R8502 R1038 R1013 R1035 C8514 C8509 C8555 R8523 R8522 R8519 R8517 R8518 Q8502 Q8501 C8556 Q8503 R8521 R4001_2 R8524 L8501 L8502 L8503 L8504 L8505 L8506 CP8502 C8531 C8557 CD8501 W811 B4003 C1012 R1006 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO ...

Page 104: ... C8097 L8007 Q8004 W197 W198 C8094 W199 C8038 C8037 C8039 R8009 J8008 CP1701_1 W204 W205 Q1713 R1720 W206 W207 C8048 W211 W213 W214 W215 W216 W222 W223 W224 W225 W226 W227 W228 W229 W230 W231 Q1702 Q1703 Q1701 Q1705 W232 R1714 R1706 Q1706 R1709 W233 W236 CP8002 W238 W239 W240 W241 W804 W242 W243 W244 W245 W247 W248 W249 C8031 C8032 C8029 W250 W252 W253 W254 W255 W256 W257 C8043 W259 W264 W265 W266...

Page 105: ...6 13N C757 9N C758 10N C759 9N C760 10N C761 8L C762 9O C763 9N C764 4O C8008 1G C8009 2I C8010 2G C8011 2G C8012 2I C8013 3J C8015 2L C8019 18Q C8020 2M C8021 2M C8022 9B C8023 8B C8024 4L C8025 8A C8026 4M C8027 5M C8028 4L C8029 4N C8030 4L C8031 5N C8032 5N C8033 5N C8037 2I C8038 2J C8039 2J C8043 4N C8048 7C C8050 6L C8051 5K C8052 5K C8064 7B C8065 8B C8066 5K C8069 6L C8070 7B C8077 7A C80...

Page 106: ...mV 29 10µs 200mV 30 TUNER JACK WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 2 35 2 36 WAVEFORMS MPEG The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 1 2 3 4 5 SDRAM VIDEO ENCODER DVD SYSCON 8 9 7 6 10 10µs 500mV 11 10µs 500mV 12 10µs 500mV 13 10µs 5...

Page 107: ...10µs 200mV 31 10µs 200mV 32 10µs 200mV 33 500ns 100mV 34 500ns 1 0V 35 5µs 500mV 38 5µs 5 0V 39 POWER WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE ...

Page 108: ...ZERO L R CVBS Y U V ANALOGUE AUDIO OUT ANALOGUE RGB OUT AUDIO SW IC8504 SN74LV4052APW SPDIF DVD SPDIF CD A X1001 12 5MHz B CTRL BUS FROM_SYSCON DVD L CD H DVD CD SYSCON IC1001 ZR36703BF SSC FROM_SYSCON SCLK TO_SYSCON ATN HRST FROM TO VIDEO BLOCK RESET RESET TX RX DVD RESET SYS MUTE SCL SDA SCL SDA SCL SDA A P CON 3 3V B P CON D5V C P CON 3 3VB D P CON 5V E P CON 9V F MICON 3 3V DATA BUS MD0 15 F A...

Page 109: ...MP 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 Q104 ...

Page 110: ...STEM 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 3G TV VCR LED SEG5 50 63 SEG1 VCR LED 47 55 3G TV VCR_LED SEG_5 SEG_1 VIDEO_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 DEMODULATOR HEATER SW 42 VCR_POWER_ON H 2G DUB REC...

Page 111: ...5V SW Q1703 P CON 5V SW Q1713 M CON AT 5V SW CAP_VOC AT 12 6V MOTOR_GND AT 5 2V P CON 5V SYSCON HIFI DEMODULATOR Y C AUDIO CCD HEAD MAP P CON 5V P CON 5V REGULATOR BLOCK DIAGRAM AT 5V P CON 5V P CON 5V DH P CON 12V P CON 12V AT 5 2V OPERATION DISPLAY GND POWER FAIL VCR POWER ON L P COM 9V VCR POWER ON H SYSCON GND GND GND AT 5 2V P CON 3 3V GND DVD I O GND 32V TUNER JACK Q1714 M CON POWER SW Q1704...

Page 112: ...9 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 DVB REC_LED SEG1 SEG2 1G VCR T REC_LED POWER VCR EJECT VCR DVD AT 5 2V DVD LED SW Q666 REGULATOR DVD LED 1 KEY A KEY B 4 5 4 5 1 DVD LED D681 VCR LED D651 DVD_LED VCR_LED OPERAT...

Page 113: ...A HIFI 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 DVD I O REGURATOR AUDIO SIGNAL PB A...

Page 114: ...1 R IN 2 GND R OUT 10 L IN 1 L IN 2 Vcc L OUT Q8003 VIDEO MUTE SW 3 2 DVD AUDIO OUT J8009 Q8012 Q8013 MUTE SW P CON 9V 3 2 4 DVD VCR SW IC8001 NJM2283V 1 7 6 8 5 14 15 13 16 10 11 9 12 DVD_V_OUT DVD_A_OUT R DVD_A_OUT L Q8005 MUTE SW Q8007 MUTE SW Q303 SW TUNER MUTE AV SW1 Y C VIDEO OUT SW V OUT ZERO SYS_MUTE DVD I O REGULATOR 2 2 1 COAXAL DIGITAL OUT J8007 OPT TRANSSFORMER OS8001 4 3 Y C SEPA J800...

Page 115: ... PCON 3 3VA PCON 3 3VA GND GND RX TX CD8001 FROM TO DVD BLOCK 17 16 15 DVD RESET ZERO AUDIO R 18 MUTE DVD RESET P CON 5V DH P CON 3 3V GND SPDIF 134 Y_OUT C_OUT DVD_U DVD_V DVD_Y 3 1 AMP IC8004 NJM4580M 5 7 DVD_A_OUT L DVD_A_OUT R DVD_A_OUT L DVD_A_OUT R DVD_V_OUT SYS_MUTE ZERO HI FI DEMODULATOR FROM TO DVD BLOCK DVD_V_OUT Y C AUDIO CCD HEAD AMP AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL RECORD COLOR...

Page 116: ...ER 13 12 11 10 9 8 7 6 5 4 3 2 1 TUNER 32V P FAIL GND GND POWER ON H UNREG 3 3V UNREG 3 3V AT 5 2V AT 5 2V AT 13V MOTOR GND MOTOR 12V CP502 REGULATOR 6 5 4 3 2 1 P CON 5V D GND P CON 5V A GND P CON 9V A MOTOR GND CP503 DVD 18 9VREG IC502 KIA7809API 1 3 Q501 Q506 2 P CON B SW P CON SW Q501 P CON5V SW POWER BLOCK DIAGRAM VP V14PV1 HR XVC1U U C ...

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