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SERVICE MANUAL

Product Type:

VCR DVD Combo

Chassis:

D35E Combo

Manual Series: VR168
Manual Part #: 923-03485
Model Line:

E

Product Year:

2002

General Info ................................................. 1
Service Menu ................................................ 2
Servicing ..................................................... 3
Parts List ..................................................... 4
Diagrams ...................................................... 5
Schematics ................................................... 6

Published March 2002

by Technical Publications

Zenith Electronics Corporation

201 James Record Road

Huntsville, Alabama 35824-1513

Copyright



2002 by Zenith Electronics Corporation

Model Series:

CONTENTS

XBV243

All manuals and user guides at all-guides.com

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Содержание XBV243 series

Страница 1: ...fo 1 Service Menu 2 Servicing 3 Parts List 4 Diagrams 5 Schematics 6 Published March 2002 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville Alabama 35824 1513 Copyright 2002 by Zenith Electronics Corporation Model Series CONTENTS XBV243 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts one at a time Measure the AC voltage across the combination of 1500 ohm resistor and 15 mfd capacitor Reverse the AC plug by using a non polarized adaptor and repeat AC voltage measurements for each exposed metallic part Voltage measured must not exceed 0 75 volts RMS This corresponds to 0 5 mill...

Страница 3: ...M DISASSEMBLY 4 30 DECK MECHANISM ADJUSTMENT 4 32 SECTION 5 PARTS 5 1 COMPONENT PARTS 5 2 TOC 1 SECTION 6 DIAGRAMS 6 1 EXPLODED VIEW 6 1 VCR EXPLODED VIEW 6 2 DVD EXPLODED VIEW 6 3 MAIN BLOCK DIAGRAM 6 4 POWER BLOCK DIAGRAM 6 5 TUNER IF BLOCK DIAGRAM 6 6 Y C BLOCK DIAGRAM 6 7 AUDIO BLOCK DIAGRAM 6 8 HIFI BLOCK DIAGRAM 6 9 SYSTEM BLOCK DIAGRAM 6 10 SECTION 7 SCHEMATICS 7 1 POWER SUPPLY CIRCUIT 7 1 ...

Страница 4: ... TOC 2 All manuals and user guides at all guides com ...

Страница 5: ...C 41 F to 35 C 95 F OUTPUTS Video outputs 1 0V p p 75 negative sync RCA jack x 1 S video outputs Y 1 0V p p 75 negative sync Mini DIN 4 pin x 1 C 0 3V p p 75 Component video output Y 1 0 V p p 75 negative sync RCA jack x 1 Pb Pr 0 7 V p p 75 Audio output digital audio 0 5V p p 75 RCA jack X 1 Audio output optical audio Optical connector x 1 Audio output analog audio 2 0Vrms 1kHz 0dB RCA jack L R x...

Страница 6: ...Frequency INS Insert I O Input Output L L Low Left Coil LD LED LECHA Letter Character LP Long Play LPF Low Pass Filter M MAX Maximum MD Modulator MIC Microphone MIN Minimum MIX Mixer Mixing MM Monostable Multivibrator MMV Mono Multi Vibrator MOD Modulation Modulator MODEM Modulator Demodulator N NR Noise Reduction O OSC Oscillator OSD On Screen Display P PB Playback PCB Printed Circuit Board PG Pu...

Страница 7: ...rminals earphone jacks etc ELECTROSTATICALLY SENSITIVE ES DEVICES Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduc...

Страница 8: ...OMBO SUMMARY SUMMARY PACKAGE CONTENTS BATTERY PACKING SHEET PACKING OPTIONAL PARTS OWNER S MANUAL RF CABLE CABLE SET ASS Y REMOCON BOX CARTON P ACKING PHONO CORD 1WAY PHONO CORD 2WAY All manuals and user guides at all guides com ...

Страница 9: ...oded view VCD A B DVD ST ALL MP3 R W BIL PR SAP CH AM SP LP EP DVD indicator CD REC indicator PROGRAM indicator Repeat playback mode indicators Chapter Track number indicator Video CD indicator Angle icon indicator Total playing time elapsed time indicators Title number indicator Stereo indicator All manuals and user guides at all guides com ...

Страница 10: ...d Motor Pins 60 Mode SW Pos S1 S2 S3 S4 Pins 25 24 23 22 Load Motor Pins 60 Mode SW Pos S1 S2 S3 S4 Pins 25 24 23 22 Load Motor Pins 60 Head SW 30Hz Pulses Pin18 Supply Take up Reel Pulses Pins 79 80 Capstan FG Pulses CVin Pin 56 Mode SW Position not changed within 6 seconds after cassette loading attempt Mode SW Position not changed within 6 seconds after cassette loading attempt Mode SW Position...

Страница 11: ...molded parts and fine pitch screws used to secure metal parts If they are used improperly the screw holes will be easily damaged and the parts can not be fixed CABINET DISASSEMBLY TOP CASE 1 Remove 7 screws A See Fig 2 1 2 Pull the top case back and up in the direction of the arrow to disengage it from the front panel Fig 2 1 TRAY DOOR 1 Eject the disc tray 2 Lift up the tray door in the direction...

Страница 12: ...ector MAIN CIRCUIT BOARD AND INTERFACE BOARD 1 Remove the top case See Fig 2 1 2 Remove 14 screws B 3 Remove the Deck from the Main Circuit Board 4 Remove the Main Circuit Board from the Interface Board 5 Remove 2 screws C 6 Remove the Interface Board from the chassis Fig 2 4 DIGITRON AND KEY CIRCUIT BOARD 1 Remove the front panel See Fig 2 3 2 Release 3 screws D and remove the digitron cir cuit b...

Страница 13: ...t Replace F101 Replace BD101 Replace R101 Is D102 normal Check or Replace D102 Replace D112 Replace IC102 Replace the D110 NO 12VA Check or Replace D110 Is the Vcc 13V supplied to terminal in D115 and D117 Check or Replace the Motor Vcc Is the Vcc 12V supplied to terminal in D115 and D117 Replace D115 NO 5 2VA 5 3VA Line Check Is 5 3VA put into Q116 Emitter Is about 5V put into Q116 Base Is Q115 B...

Страница 14: ... the Power Control Is Q115 Base H Check or Replace Q114 R154 R155 6 No 33V TUNER No REG 12V Check or Replace D110 Is 13V present on Q112 Collector Is 33V present on Q112 Base Check 33V Line Check or Replace Q112 ZD103 R153 C151 7 No REG 12V 5 3VA Line Check 5 No REG 5V AVCP Check the Power Control 5 3VA Line Check No REG 5V Is 5 3VA present on Q117 Collector Check or Replace Q117 R167 ZD105 C162 I...

Страница 15: ...111 Check the Power Control NO 8VA Check or Replace D110 Is Vcc 13V supplied to terminal in D114 Is Vcc 12V supplied to IC106 Pin1 Check or Replace D114 Check the Power Control Check or Replace IC106 R170 C154 Is Q115 Base H NO 2 5VA Is Vcc 4V supplied to IC104 Pin1 Is the Q115 Base H Is Vcc 3 3V supplied to IC104 Pin2 Check or Replace D119 C159 Check or Replace D111 Check the Power Control Check ...

Страница 16: ...nal appear at Ic501 Pin57 during inserting the CST Does the L signal appear at Ic501 Pin19 during inserting the CST Check the Deck Mechanism Check the CST SW and the peripheral circuitry Refer to SMPS DRUM 12 Volt Trouble Shooting Is 5 3V applied to R544 Refer to SMPS 5 3VA troubleshooting Check IC501 Pins74 75 76 77 Caution Auto stop can occur because Grease or Oil is dried up Check the Drum Moto...

Страница 17: ...esn t run 2 When the Drum Motor doesn t run Does 12V appear at PMC01 Pin8 Does 2 8V appear at PMC01 Pin12 Check the connector PMC01 and the Drum Motor Ass y Is the adjustment height of the CTL Head accurate Replace 501 IC Refer to When the Y signal doesn t appear on the screen in PB Mode Refer to 2 No 12VA of Power section Do the Drum PWM Pulses appear at 501 Pin26 IC Are the foil patterns and the...

Страница 18: ...he foil patterns and Components between IC501 Pin25 and PMC01 Pin9 short Does the CFG signal come into IC501 Pin40 Are the foil patterns and Components between IC501 Pin 25 and PMC01 Pin9 short Does the CFG signal appear at PMC01 Pin1 Does the PWM signal appear at IC501 Pin25 Replace IC501 Refer to SMPS CAPSTAN 12Volt Trouble Shooting Are the foil patterns and component between IC501 Pin40 and PMC...

Страница 19: ...t IC501 Pins 52 53 Does oscillation occur at IC501 Pins 50 51 Replace IC501 No F OSD display Refer to 1 No OSD display Does the C SYNC signal appear at IC501 Pin87 Replace IC501 3 I2C BUS CHECK Check or Replace the Peripheral Circuitry L506 R517 C519 C518 R518 The I2C waves don t come out Does Power appear at the Pull up impedence R508 R510 Replace IC501 Refer to SMPS 5 3VA Trouble Shooting Is the...

Страница 20: ...ck DVD Video Input IC802 Pin29 Tuner Video Input TU701 Pin24 Line Video Input JK801 respectively Check the REG 5V Line Power Circuit Is I2C BUS signal applied to IC301 Pins 62 63 Check the path of the signal between Ic301 Pin 52 and IC501 Pins 43 45 Is there 12V on the plus terminal of C822 Replace Q801 Check C330 AGC Replace IC301 Check the REG 12V Line Power Circuit Check the System Circuit Refe...

Страница 21: ...ar at IC301 Pin18 Is the Y Luminance Video waveform showed up at IC301 Pin39 Replace IC301 Check the line of the REG 5V Line Power Circuit Refer to SYSTEM I2C BUS CHECK Trouble Shooting Is the V H S W signal applied to IC301 Pin81 Does the Rectangular waveform 5V appear at IC301 Pin81 V H S W Clean the Drum Check the path of the Y Luminance signal Check the path of the Y Luminance signal Replace I...

Страница 22: ...he line of the REG 5V Line Power Circuit Is 5V applied to IC301 Pins 12 36 61 67 90 96 Does Color signal appear at the IC301 Pins 58 60 Replace IC301 Replace X301 Check the Color Pass Check C341 Does X301 3 58MHZ oscillate Does the Color signal appear at IC301 Pin55 Check the circuit of IC301 Pins 60 58 35 TROUBLESHOOTING CONTINUED All manuals and user guides at all guides com ...

Страница 23: ...mode normal Is brightness Is the brightness signal supplied to IC301 Pins 13 14 Check the power of Pins 12 36 61 67 90 96 Check the REG 5V power Check system part Check system part Check system part V H SW Replace IC301 Check the 5V power Check X301 302 Check the drum Check the EE mode Is color Does signal appear at IC301 Pins 58 60 Is 5V supplied to IC301 Pins 12 36 61 90 96 Is I2C Bus applied to...

Страница 24: ...2 Audio of IC801 Pins 10 11 Check the Vcc of IC801 Pins 34 40 IC802 Pin 4 Check the IIC Clock and DATA at IC801 Pins 42 43 IC802 Pins 32 33 Check the Audio of IC801 Pins 16 17 Check the Audio of IC802 Pins 22 26 Check JK801 Check IC751 Pins 30 31 Check the DVD MODULE P8D01 Pins 3 5 Check the Rear Jack JK801 Audio in Check the front Jack PM401 Pins 1 2 Check the Power 5 2V 12V Check IC501 Pins 90 9...

Страница 25: ...in 43 Clock Do Audio Signals appear at IC801 Pin16 L CH 17 R CH Do Audio Signals appear at IC802 Pin10 L CH 16 R CH Do Audio Signals appear at IC802 Pins 22 26 Do Audio Signals appear at JK801 Do Audio Signals appear at TU701 Pin 2 MOD A IN Check Power Check IC501 Pin23 A H SW Check the parts of µ COM IC501 Pins90 91 Check the Connection at P3D01 Pins 7 9 Check the A IN line of IC802 C828 C829 Che...

Страница 26: ... Data Pin43 CLOCK Do Audio signals appear at IC801 Pins16 17 Do FM Audio signals appear at IC801 Pin36 Check the Contact Point of Drum Connector if good then Replace the Drum Check Power Check ports of µ CPM Check Audio input signal of IC801 Pins2 3 TU A 4 5 DVD A 6 7 AVI A 10 11 AV2 A Replace IC801 TROUBLESHOOTING CONTINUED All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 27: ...from IC802 Pin 30 to JK801 Pin Video out Is 5V applied to TU701 Pin13 Check 33V line Check 5V line Does the Clock signal appear at TU701 Pin 11 Does the data signal appear at TU701 Pin 12 Replace Tuner Check the signal flow from TU701 Pin24 to IC301 Pin 31 Check the lIC Data Signal of µ COM Pin91 Check the lIC Clock Signal of µ COM Pin90 Is 33V applied to TU701 Pin16 Check the signal from IC301 Pi...

Страница 28: ...ns 5 6 Check the Audio of IC751 Pins30 31 Check the Audio of IC801 Pins 2 3 Check the Audio of IC801 Pins 16 17 Check the Audio of IC802 Pins 22 26 Check the Signal flow from IC802 Pins22 26 JK801 Audio out L R Check 5 2V Line Check the Tuner SIF of TU701 Pin22 Replace X751 Check the IIC Clock and Data at IC751 Pins 12 13 Check the signal flow from IC751 Pins30 31 to IC801 Pins 2 3 Check the IIC C...

Страница 29: ...ck Check MPEG_CLK Signal of MPEG part Refer to Audio part Refer to MPEG part Replace B D AUDIO ABNORMAL B Video abnormal VIDEO ABNORMAL Check Video jack Refer to Video part Refer to Encoder part Refer to MPEG part Replace B D Check the connection of PMD03 Check IC501 Pins 13 14 Check Front OPEN CLOSE ABNORMAL Reconnect it Refer to SERVO part Check the connection of MD TROUBLESHOOTING All manuals a...

Страница 30: ...f OK YES If OK PICTURE ABNORMAL D Picture abnormal Check the disc Refer to Servo part Check MPEG_CLK Signal of MPEG part Check DSP Check MPEG Replace B D E Disc Error Check Disc Refer to Servo part Replace B D DISC ERROR DVD TROUBLESHOOTING CONTINUED All manuals and user guides at all guides com ...

Страница 31: ...creen normally Does the audio sound output normally Is MPEG data signal normal Check power clock Is error signal normal Is Clock normal Does the audio sound output from MPEG decoder Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check clock signal Check clock signal Check MPEG Decoder inpu...

Страница 32: ...go High to IC201 Pin194 when power is on Does TTL pulse output to IC201 Pins 140 142 Is IC201 Pins 83 84 88 89 voltage about 2 2V CHECK POINT General Does 33 8688MHz clock input to IC201 Pin 63 Replace IC201 IC206 soldering or IC defect Check power circuit Check 2 µ COM Part Replace X301 or IC304 30MHz clock defect TROUBLESHOOTING CONTINUED All manuals and user guides at all guides com ...

Страница 33: ...ge of IC2M1 Pins 22 change 0V to 5V Does PMD03 Pin 13 change high to low Push Pick up to inner track to the end by hand Check Focus Driver output IC201 Pin 83 IC2M1 Pins 32 33 Check SLED Driver output IC201 Pin 88 IC2M1 Pins 35 36 DECK assembly is defective Check loading Part IC201 Pin 88 no output IC201 is defective IC2M1 Pin 19 no output IC2M1 is defective IC201 Pin 83 no output IC201 is defecti...

Страница 34: ...TL level change at IC201 Pin 78 and 132 moving the lens Replace µ COM or IC201 Check IC2M1 Pin 18 PMD03 Pin 6 turn when the IC2M1 Pin 21 is less than 2 2V Check A Video Part is defective Check 5 MPEG Circuit Check 7 OSD Video Circuit Does the signal pulse appear at IC2A1 Pins 39 29 Replace IC201 Check IC2A1 Pin 11 12 13 14 in DVD Mode Fig 3 FOCUS ERROR waveform IC201 no output Pick up is defective...

Страница 35: ...attern RF 1 5 1 6V IC2A1 Pin 57 Is the eye pattern vivid Does the sawtooth waveform emit at IC2A1 Pin 41 Does the 1 6V emit Replace IC2A1 Check IC201 Pin84 Replace IC201 No signal Pick up is defective Check IC2A1 Pins 5 6 7 8 No signal at IC201 IC201 is defective Both are normal IC201 is defective TROUBLESHOOTING CONTINUED All manuals and user guides at all guides com ...

Страница 36: ... 3 24 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 37: ...1 14 8 15 33 VCR DECK MECHANISM PART LOCATIONS Top View Bottom View NOTES When reassembling perform the procedure in the reverse order When reassembling confirm Mechanism and Mode Switch Alignment Position refer to Page 4 14 T Top B Bot SECTION 4 Mechanical All manuals and user guides at all guides com ...

Страница 38: ...M MOTOR 1 Remove two Screws S2 and disassemble the Sta tor of the Drum Motor 2 Remove two Screws S3 and separate the Rotor of the Drum Motor from the Drum Sub assembly NOTE When reassembling check to ascertain that Carbon Brush is in position Fig B 1 Holder FPC Drum FPC Cap FPC Reversed Direction S3 S2 S2 S3 A Stator Carbon Brush Drum Motor Rotor Drum Sub Assembly Drum FPC S1 S1 S1 Holder FPC H1 H...

Страница 39: ...e studs C and C in the figure 2 To replace slide the hooks into position on the studs C and C and snap the Plate Top down into place B C C B B E C1 C Plate Top Arm Assembly F L Spring Lever S W Gear Assembly Rack F L Chassis Opener Door Brackert Assembly L D Motor Holder Assembly CST B C D E H6 A B Lever Assembly S W H8 Fig A 2 Fig A 2 1 Fig A 2 2 Fig A 2 6 Fig A 2 7 Fig A 2 5 Fig A 2 3 All manual...

Страница 40: ...L FIG A 2 5 1 Move the Gear Assembly Rack F L in the direction of the arrow A and unhook Hook H6 pulling back in front 2 Separate the Rear Rack F L in the direction of the arrow B NOTE When reassembling align the Gear part of the Gear Assembly Rack F L with the Gear Drive as shown in the following figure Gear Rack F L Gear Drive ARM ASSEMBLY F L FIG A 2 6 1 Rotate the Arm assembly F L in the direc...

Страница 41: ...AD F E FIG A 3 2 1 Carefully pry tab A see Fig A 3 2 to clear the embossed tab on the chassis Turn the Arm Assem bly Cleaner counter clockwise and lift it from the chassis A Arm Assembly Cleaner Base Assembly A C Head S4 Head F E A Chassis Fig A 3 Fig A 3 1 Fig A 3 3 Fig A 3 2 BASE ASSEMBLY A C HEAD FIG A 3 3 1 Remove Screw S4 and lift the Base assembly A C Head up All manuals and user guides at a...

Страница 42: ...hook Spring TB from Hook H9 of the chassis 2 Lift Brake assembly T BRAKE ASSEMBLY RS FIG A 4 2 1 Unhook Spring RS from Hook H10 of the chassis 2 Lift Brake assembly RS ARM ASSEMBLY TENSION FIG A 4 3 1 Unhook the Spring Tension from Hook H11 of the Arm Assembly Tension 2 Unhook Hook H12 of the Base Tension and lift the Arm Assembly Tension Spring Identification Chart REEL S REEL T FIG A 4 4 Spring ...

Страница 43: ...and lift it up 17 OPENER LID FIG A 5 2 1 Carefully pry up Tab B to clear the embossed tab on the chassis 2 Turn the Opener Lid clockwise and lift it up 18 ARM ASSEMBLY PINCH FIG A 5 3 Lift the Arm assembly Pinch up LEVER T UP FIG A 5 4 ARM T UP FIG A 5 5 1 Unhook the Hook H13 of the bottom Chassis and lift the Lever T up 2 Lift the Arm T up NOTE When reassembling confirm that the C portion of the ...

Страница 44: ... L1 as in Fig A 6 3 and lift the Lever F R Chassis S5 Belt Capstan Motor Capstan Washer W1 Lever F R Clutch Assembly D35 Brake Assembly Capstan L1 L2 L1 Fig A 6 Fig A 6 1 Fig A 6 2 Fig A 6 3 Fig A 6 5 Fig A 6 4 CLUTCH ASSEMBLY D35 FIG A 6 4 Remove Washer W1 and lift the Clutch assembly D35 BRAKE ASSEMBLY CAPSTAN FIG A 6 5 Pull the Locking Tab L2 back in the direction of the arrow and lift it up Al...

Страница 45: ... of the Chassis and lift the Gear Sector PLATE SLIDER FIG A 7 4 Lift the Plate Slider LEVER TENSION FIG A 7 5 1 Unhook the A portion of the Lever Tension from Hook H16 of the Chassis 2 Turn the Lever Tension counterclockwise and lift LEVER SPRING FIG A 7 6 Unlock Locking Tab L3 from the bottom of the Chassis and lift the Lever Spring Gear Drive Washer W2 Gear Cam Plate Slider Lever Tension Lever s...

Страница 46: ...NOTE When reassembling align the two Holes of the Gear assembly P2 and P3 after aligning the Gear Sector Hole A with the Plate Slider Hole B see the inset below BASE ASSEMBLY P2 P3 FIG A 8 3 4 1 Move Base assembly P2 in the direction of the arrow A along the slot in the Chassis and disassemble it from the bottom side 2 Move Base assembly P3 in the direction of the arrow B along the slot in the Cha...

Страница 47: ... Remove the Screw S7 2 Lift the Base Loading BASE TENSION FIG A 9 2 1 Carefully pry up Tab A to clear the embossed tab on the chassis 2 Turn the Base Tension counterclockwise and lift ARM ASSEMBLY IDLER FIG A 9 3 Pinch B and C as shown in Fig A 9 3 and lift NOTE When disassembling be careful not to catch part D on the Chassis See the Inset All manuals and user guides at all guides com ...

Страница 48: ...SERVICING 1 Cassette Torque meter 1 SRK VHT 303 Not SVC part 4 Torque gauge adaptor 5 Post height adjusting driver 6 Type driver 2 Alignment tape 3 Torque gauge 3 600g Cm ATG 3 TOOLS NEEDED FOR SERVICE All manuals and user guides at all guides com ...

Страница 49: ... Counterclockwise until the Alignment is as below Fig C 2 4 Remove the Screw which holds the Deck Mechanism and Main Frame and confirm That the Gear Cam is aligned with the Gear Drive as below in Fig C 1 B 5 Confirm that the Mode S W on the Main P C Board is aligned as below in Fig C 1 B 6 Remount the Deck Mechanism on the Main P C Board and check each operation Gear Cam Gear Drive C Mode S W B Te...

Страница 50: ...ead the Value Fig C 3 1 NOTE Fig C 3 2 Fig C 3 1 Torque Gauge Torque Gauge Adaptor Reel Table Test Conditions Mechanism Condition Play FF or Review REW Mode NOTE Cassette Torque Meter Torque Gauge 600g cm ATG PREPARATION FOR ADJUSTMENT To set the Deck Mechanism to the Loading state with out inserting a Cassette Tape 1 Unplug the Power Cord from the AC Outlet 2 Disassemble the Top Cover and Plate A...

Страница 51: ...e CH 2 NTSC SW 30Hz PAL SW 25Hz Head Switching Output Point RF Envelope Output Point Play an Alignment Tape Adjustment Point Guide Roller Height Adjustment Screws Fig C 4 2 Fig C 4 3 P3 POST ADJUSTMENT P2 POST ADJUSTMENT Turn the Roller Guide Height Adjustment Screw slightly to flatten the waveform Tracking control at center RF ENVELOPE OUTPUT TEST POINT OSCILLOSCOPE HEAD SWITCHING OUTPUT TEST POI...

Страница 52: ...ig C 5 2 Height Adjustment Screw B Tilt Adjustment Screw C Azimuth Adjustment Screw A X Value Adjustment Hole Fixed Screw Fig C 5 3 A C Head Tape Tape 0 2 0 25mm P4 1 Initially adjust the Base Assembly A C Head as shown Fig C 5 1 by using the Height Adjustment Screw B 2 Play a Blank Tape and observe if the Tape passes accu rately over the A C Head without Tape Curling or Folding 3 If Folding or Cu...

Страница 53: ...n the direction as shown in the Diagram to find the center of the peak that allows for the maximum Waveform Envelope This method should allow the 31um Head to be centrally located over the 58um Tape Track 3 Tighten the Base Assembly A C Head mounting Screw Left Right Groove at the Base A C Height Adjustment Screw B Tilt Adjustment Screw C Azimuth Adjustment Screw A X Value Adjustment Hole RF ENVEL...

Страница 54: ...Condition Checking Procedure Play an alignment tape then change the operating mode to CUE or REV and confirm if the unit meets the above listed specifications 1 CUE is fast forward mode FF 2 REV is the rewind mode REW 3 Referenced to the Play mode NOTES Connection Points ADJUSTMENT AFTER REPLACING DRUM ASSEMBLY VIDEO HEADS TAPE TRAVEL AFTER REASSEMBLING DECK ASSEMBLY AUDIO AND RF LOCKING TIME DURI...

Страница 55: ...ication and the conditions of cleanliness in the unit Check with the customer to find out how often the unit is used and then determine that the unit is ready for inspection and maintenance Check the following parts NOTE If locations marked with o do not operate normally after cleaning check for wear and replace See the EXPLODED VIEWS at the end of this manual as well as the above illustrations Se...

Страница 56: ...ad is too stubborn to remove by tape use the cleaning patch Coat the cleaning patch with Isopropyl Alcohol Touch the cleaning patch to the head tip and gently turn thehead rotating cylinder right and left Do not move the cleaning patch vertically Make sure that only the buckskin on the cleaning patch comes into contact with the head Otherwise the head may be damaged Thoroughly dry the head Then ru...

Страница 57: ...nsport or drive sys tem Wipe any excess and clean with a cleaning patch wetted in Isopropyl Alcohol 2 Periodic greasing Grease specified locations every 5 000 hours 3 5 6 1 2 4 Guide Rail Base Loading Gear Drive Gear Sector Gear Cam Gear Part Bracket Side L Bracket Assembly Door Chassis Top 5 7 8 1 2 6 4 3 Chassis Bottom Guide Rack F L Gear Rack F L All manuals and user guides at all guides com ...

Страница 58: ...MECHANISM VCR VR168 923 03485 4 22 D35E COMBO SERVICING GEAR F R GEAR AY P2 P3 All manuals and user guides at all guides com ...

Страница 59: ...he Vcc voltage of END sensor 5V Check the syscon power Replace END sensor Check syscon circuit NO YES YES YES NO NO NO 1 Deck Mechanism A NO NO NO Is the present mode F R mode Is the mode SW assembled correctly refer to page 4 14 Check servo power circuits Replace the Capstan Motor Does the Capstan Motor rotate Do the T Up and Supply Reel rotate Check syscon circuit YES YES YES YES YES YES B No F ...

Страница 60: ...Replace Drum Motor Check Servo Syscon Check the Syscon µ COM Check Holder Assembly CST Is there variation for CST IN S W Output In Tape with REC Tab L H L In Tape without REC Tab L H L H Does the lever Assembly S W work normally Check Syscon Circuit Check Syscon Circuit YES YES YES YES YES YES NO NO NO NO NO NO NO YES C D Insert the cassette No cassette loading All manuals and user guides at all g...

Страница 61: ...yscon Does the Capstan Motor turn Does the Capstan Motor turn Check Alignment positions page 4 14 Is the terminal voltage of the Drum Motor more than 2 3V Replace the Drum Motor Is the Vcc voltage of the Drum Motor normal Check the clutch and the Idler Assembly Is the terminal voltage of Capstan Motor supplied more than 4V Replace the Capstan Motor Is the Voltage supplied to the Capstan Motor Vcc1...

Страница 62: ...es the CST IN Switch work normally Check syscon circuit Check power circuit Is there a short circuit between cassette switch and GND on main P C Board Remove the short circuit part or Replace the main P C Board Replace or add the Lever Assembly Switch Spring Replace CST IN Switch Replace CST IN Switch Cassette will not eject Does the L D motor rotate in reverse Does the Lever Assembly Switch work ...

Страница 63: ...r Door work Does the Arm Assembly F L work Does the L D Motor work Does the Holder Assembly Cassette move the Arm Assembly F L Replace the Front Loading Mechanism Assembly Replace the Rear Rack F L Is the opener Door assembled correctly Replace the Opener Lid Replace the Arm Assembly F L Check the power of L D Motor Is the Holder Assembly Cassette assembled correctly All manuals and user guides at...

Страница 64: ...embly column of the Table indicates that the part should be disassembled from the Bottom side 2 Screws 2 Locking Tabs 4 Screws 1 Connector 1 Locking Tabs 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking Tab 1 Hook 2Screw 2 Locking Tabs 4 1 4 1 4 1 4 1 4 1 4 2 4 3 4 3 4 3 4 3 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 All manuals and user guides at all guides com ...

Страница 65: ...he arrow A 3 Separate the Clamp Assembly Disc from the Holder Clamp PLATE CLAMP 1 Turn the Plate Clamp counterclockwise and then lift MAGNET CLAMP CLAMP UPPER TRAY DISC FIG 4 2 1 Insert and push a Driver in the emergency eject hole A at the right side or put the Driver on the Lever B of the Gear Emergency and pull the Lever B in direction of arrow so that the Tray Disc is ejected about 15 20mm 2 P...

Страница 66: ...k the Locking Tab L2 in the direction of the arrow GEAR MIDDLE GEAR ASSEMBLY RACK Release the Scerw S3 RUBBER REAR FIG 4 3 C1 PICK UP ASSEMBLY GENERAL L2 S2 S2 S2 S3 GEAR ASSEMBLY RACK GEAR MIDDLE GEAR ASSEMBLY FEED BASE PU OUTSERT PICK UP ASSEMBLY GENERAL MOTOR ASSEMBLY RUBBER REAR S2 Fig 4 3 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 67: ...he Locking Tab L4 in the direction of the arrow B and then separate the Gear Pulley from the Base Main GEAR LOADING FIG 4 4 GUIDE UP DOWN FIG 4 4 1 Move the Guide Up Down in direction of arrow A as in Fig A 2 Push the Locking Tab L5 down and then lift up the Guide Up Down to separate it from the Base Main Note When reassembling place the Guide Up Down as in Fig C and move it in the direction of th...

Страница 68: ...um rate 6 Error rate SVC 3561 Disc below 30 and TDV 533 Disc below 100 If not Please confirm Play ability on screen You can watch the screen when pressing the Stop key after the Adjusting is finished Then perform Play and Scan Skip operation at Chapter1 and Chapter16 and confirm screen condition normal or abnormal Please obtain the software for Adjusting through our Global Cyber Service Center GCS...

Страница 69: ... Cap Fixed Ceramic 0 1Uf 50V 80 20 C242 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C245 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C250 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C255 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C256 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C257 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C258 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C260 0CH...

Страница 70: ... 0CH1225F944 Cap Fixed Ceramic 2 2Uf 16V 80 20 C326 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C327 0CH1225F944 Cap Fixed Ceramic 2 2Uf 16V 80 20 C328 0CE1064F638 Cap Fixed Electro 10Uf 16V 20 C329 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C330 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C331 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 C332 0CH1104K942 Cap Fixed Ceramic 0 1Uf 50V 80 20 ...

Страница 71: ...ilips R Tp FT2A2 0TFPH80002B Transistor Fets 2N7002E Philips R Tp IC201 0IHY258010C IC Hyundai Gdc25D801D 208 Qfp Bk Dsp Servo IC203 0IJR341400C IC Jrc Njm3414Am Te1 3K Reel Jrc IC204 0ISTLKE009A IC Standard Logic Kic7W53Fu Kec 8Pin S IC205 0IMMREB001A IC Alliance As4Lc256K16Eo 35 40P IC206 GITO704000F IC Toshiba Tc7W04Fu IC2A1 0ITI333721A IC Texas Instrument Ssi33P3721 Ver 2 64 Tqfp Bk IC2A2 0IJR...

Страница 72: ...2 Resistor Metal Chip 10K Ohm 1 16W 5 R2A1 0RH0912C622 Resistor Metal Chip 91 Ohm 1 16W 5 R2A2 0RH1202C422 Resistor Metal Chip 12K Ohm 1 16W 1 R2A4 0RH1000C622 Resistor Metal Chip 100 Ohm 1 16W 5 R2A5 0RH0000C622 Resistor Metal Chip 0 Ohm 1 16W 5 R2A6 0RH1001C622 Resistor Metal Chip 1K Ohm 1 16W 5 R2A9 0RH0000C622 Resistor Metal Chip 0 Ohm 1 16W 5 R2B1 0RH1000C622 Resistor Metal Chip 100 Ohm 1 16W...

Страница 73: ...p 1M Ohm 1 16W 5 R401 0RH0102C622 Resistor Metal Chip 10 Ohm 1 16W 5 R402 0RH4701C622 Resistor Metal Chip 4 7K Ohm 1 16W 5 R403 0RH0102C622 Resistor Metal Chip 10 Ohm 1 16W 5 R404 0RH0000C622 Resistor Metal Chip 0 Ohm 1 16W 5 R408 0RH5601C622 Resistor Metal Chip 5 6K Ohm 1 16W 5 R409 0RH8201C622 Resistor Metal Chip 8 2K Ohm 1 16W 5 R411 0RH8201C622 Resistor Metal Chip 8 2K Ohm 1 16W 5 R412 0RH6801...

Страница 74: ...Front Keyboard Right C601 0CE1064F638 Cap Fixed Electro 10Uf 16V 20 C602 0CE4775C638 Cap Fixed Electro 470Uf 6 3V 20 C603 0CN223AK948 Cap Fixed Tubular High Di 0 022Uf 50V 80 20 C604 0CN1040K948 Cap Fixed Tubular High Di 0 1Uf 50V 80 20 C606 0CN1040K948 Cap Fixed Tubular High Di 0 1Uf 50V 80 20 DG601 6302RCV118A Digitron Vfd25 1104 Zec Seg V IC601 0IPRPNE001A IC Peripherals Upd16315Gb 3Bs Nec 4 L6...

Страница 75: ...tro 1000Uf 10V C132 624 085D Cap Fixed Electro 47Uf 50V C133 0CQ1042K409 Cap Fixed Film 0 1Uf 50V 5 C151 0CE4754K638 Cap Fixed Electro 4 7Uf 50V 20 C152 0CE4754K638 Cap Fixed Electro 4 7Uf 50V 20 C153 0CE1064F638 Cap Fixed Electro 10Uf 16V 20 C154 0CE1074F638 Cap Fixed Electro 100Uf 16V 20 C155 0CE1064F638 Cap Fixed Electro 10Uf 16V 20 C156 0CE1064F638 Cap Fixed Electro 10Uf 16V 20 C158 0CE1064F63...

Страница 76: ...0V 10 C543 0CN223AK948 Cap Fixed Tubular High Di 0 022Uf 50V 80 20 C544 0CN4730K948 Cap Fixed Tubular High Di 0 047Uf 50V 80 20 C546 0CN223AK948 Cap Fixed Tubular High Di 0 022Uf 50V 80 20 C551 0CN223AK948 Cap Fixed Tubular High Di 0 022Uf 50V 80 20 C552 0CN1030F678 Cap Fixed Tubular High Di 0 01Uf 16V 20 C556 0CN1030F678 Cap Fixed Tubular High Di 0 01Uf 16V 20 C557 0CN1030F678 Cap Fixed Tubular H...

Страница 77: ...20 T104 Tp Ic D FH01 586 008B Holder Fuse Clip Tp Sinsung FH02 586 008B Holder Fuse Clip Tp Sinsung FL301 633 032N Coil Ift Biac Osc Deo 010 Kse IC101 0IPMGFF001A IC Power Management Ice2B265 Infineon 8 IC102 0ISS431000A IC Samsung Electro nics Ka431Az Lm431Az IC103 0IPMGFA015A IC Power Management Ka78R33Tstu Fairchil IC104 0IPMGFA015A IC Power Management Ka78R33Tstu Fairchil IC105 657 063A Sensor...

Страница 78: ...Ohm 1 6W 5 R316 0RD7501F608 Resistor Carbon Film 7 5K Ohm 1 6W 5 R317 0RD7501F608 Resistor Carbon Film 7 5K Ohm 1 6W 5 R320 0RD3902F608 Resistor Carbon Film 39K Ohm 1 6W 5 R321 0RD1202F608 Resistor Carbon Film 12K Ohm 1 6W 5 R322 0RD6801F608 Resistor Carbon Film 6 8K Ohm 1 6W 5 R324 0RD2201F608 Resistor Carbon Film 2 2K Ohm 1 6W 5 R325 0RD1801F608 Resistor Carbon Film 1 8K Ohm 1 6W 5 R326 0RD3302F...

Страница 79: ... 1 6W 5 R712 0RD4701F608 Resistor Carbon Film 4 7K Ohm 1 6W 5 R713 0RD5601F608 Resistor Carbon Film 5 6K Ohm 1 6W 5 R715 0RD3901F608 Resistor Carbon Film 3 9K Ohm 1 6W 5 R716 0RD1001F608 Resistor Carbon Film 1K Ohm 1 6W 5 R717 0RD1000F608 Resistor Carbon Film 100 Ohm 1 6W 5 R718 0RD1000F608 Resistor Carbon Film 100 Ohm 1 6W 5 R7A1 0RD1000F608 Resistor Carbon Film 100 Ohm 1 6W 5 R7A2 0RD1001F608 Re...

Страница 80: ...All manuals and user guides at all guides com ...

Страница 81: ...6 1 D35E COMBO DIAGRAMS VR168 923 03485 XBV243 Exploded View SECTION 6 Diagrams All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 82: ...7 100 106 107 A21 114 113 112 110 115 A24 116 102 A23 A22 109 054 054A 401 402 001 008 001 031 079 017 032 024 406 020 021 028 019 018 029 030 026 A03 A04 A01 002 002A 025 027 022 003 004 006 007 014 015 009 409 013 023 016 405 012 402 All manuals and user guides at all guides com ...

Страница 83: ...OMBO DIAGRAMS VR168 923 03485 XBV243 DVD Exploded View 002 001 003 004 429 429 026 018 008 009 016 012 430 430 430 432 020 430 011 017 014 013 015 431 A01 A02 A03 430 All manuals and user guides at all guides com ...

Страница 84: ... TEBAL FEBAL DPOCTL EQF EQB MON SPINDLE_DRV FDO TDO FMO SPINDLE_FG SENS FOK MIRR MSDATO DEFECT DSP_SENSE SQSO SQCK SCOR AO 0 5 XLAT S_CLK S_DATA DO 0 7 PICK UP IC2A1 33P3721 RF Signal Processor IC205 DRAM GM7IC4260CJ 256K x 16bit IC201 DVDSP 3301 CD DVD DSP DVD SERVO IC501 SH7034 MAIN u COM IC301 ZiVA 4 1 MPEG A V Decoder SW602 SLD SW IC302 GM72V1621 1M x 16bit SDRAM IC303 GM72V1621 1M x 16bit SDR...

Страница 85: ...HOT GND R101 SNUBBER BLOCK D101 R104 C105 C106 RECTIFIER SMOOTHING D107 C121 ZD101 RECTIFIER SMOOTHING D108 D110 C130 C122 C123 L122 C126 RECTIFIER SMOOTHING D111 C127 L123 C128 RECTIFIER SMOOTHING D112 L124 C129 C131 FEED BACK BLOCK R112 R113 C133 R114 R115 R116 R117 5V REG BLOCK Q117 ZD105 C162 C158 R167 8VA REG BLOCK D114 IC106 C154 12VA REG BLOCK Q112 ZD103 C151 C152 R153 3 3V REG BLOCK IC103 ...

Страница 86: ...DIAGRAMS VR168 923 03485 XBV243 Tuner IF Block Diagram 731 109 IC751 MSP3407 SDA 91 SCL 33V MOD V IN MOD A IN 90 108 872 871 5 3VA 101 CH SW VCR TV All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 87: ...MP EP CH2 REC AMP EP CH1 DATA FROM u C OM System CLOC K FROM u C OM 2fsc TO u COM System System V H SW30 FROM u COM V ENV TO u COM System SP CH2 SP CH1 Serial Cont interface X tal VCO OSC TRAP FM AGC P EQ G EQ D LIM Y LPF Main De Empf DEMO S LPF 2M LPF ACC CTL Trap fh Trap HIFI Trap C LPF DEALY MIX AMP SQUEL CH CLEAR SYNC Sharpness CONTROL YNR NC SYNC SEP C SYNC TO u COM System NL De eMPH VCA C K ...

Страница 88: ...01 HA118717F AUDIO OUT IC801 TDA9605H IC750 MSP3407 TUNER TU701 11 9 DET NORMAL AUDIO OUT LINE AUDIO R IN LINE AUDIO L IN REAR Jack OUT R OUT L COMP A OUT L VCA 22 21 3 1 17 43 30 31 7 6 16 17 A OUT R EE Mode PB Mode REC Mode All manuals and user guides at all guides com ...

Страница 89: ... 1 2 3 4 5 6 7 10 11 21 22 36 35 16 A OUT L A OUT R 17 AUDIO INPUT BLOCK VIDEO INPUT BLOCK AUDIO INPUT BLOCK OSD V IN TU V IN DVD R V IN DVD A IN L DVD A IN R TU A IN L TU A IN R NORMAL AUDIO OUT To AVCP NORMAL AUDIO IN From AVCP Tu A IN L Tu A IN R DVD A IN L DVD A IN R AV1 A IN L AV1 A IN R AV2 A IN L AV2 A IN R MODULATOR A OUT To Tu All manuals and user guides at all guides com ...

Страница 90: ... IN DOSC OUT 53 52 T UP SENSOR 1 M LD IN 10 L D MOTOR 20 LD LD 19 1 2 3 4 5 31 32 38 40 61 78 80 81 12 24 28 39 27 DRUM PWM 1 2 RESET GND Vcc 3 IC504 3 SUP SENSOR SUP END 82 15 R C PM601 Pin5 R C Out V c c A D 95 100 98 79 59 54 56 43 DVD DATA IN DVD CLOCK FLD DATA OUT FLD CLOCK REC H 56 62 A MUTE H 90 IIC CLK 91 94 DVD ENA IIC DATA OSD H I LIMIT C SYNC 45 C Vout C Vin TO FROM DECK R550 R551 R557 ...

Страница 91: ...tes DC chassis ground NOTE Warning NOTE Parts that are shaded are critical NOTE With respect to risk of fire or NOTE electricial shock Switching Error IC101 is defective Switching Error IC105 102 are defective 2 5V 3 3V no power D111 is defective No Power F101 is defective 5 3VA no power D112 is defective 33V no power D113 is defective No power BD101 R101 are defective 12VA no power D110 is defect...

Страница 92: ...SIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 2 D35E COMBO SHEET 2 VR168 923 03485 Tuner IF Circuit VIDEO OUT AUDIO OUT 3 4 CH switching is impossible µ COM is defective IC751 doesnÕt operate X751 is defective Tuner doesnÕt operate µ COM is defective CH memory doesnÕt operate 33V Power is defective All manuals and user guides at all guides com ...

Страница 93: ... 13 1 2 3 4 5 6 7 8 9 10 11 WAVEFORM Y PB AUDIO REC Y C Y C Y REC C REC AUDIO PB C PB 1 5K 180 Video output Noise in REC PB Video H SW level is defective No Color in REC PB R333 C350 C349 are defective No Color in playout L306 C346 are defective Video output Level is unstable C339 is defective No Color in PB R338 C338 are defective Video Distortion in REC PB R330 R322 C318 R325 are defective All m...

Страница 94: ...NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 4 D35E COMBO SHEET 4 VR168 923 03485 Hifi Circuit PB REC 44 Pin is defective Hi Fi Audio is not appear IC801 Pins42 43 aredefective All Audio is not appear All manuals and user guides at all guides com ...

Страница 95: ...or will not operate TUNER Tuning error ES501 ES502 LD501 are defective Tape remain dead Audio REW doesnÕ t operate MS501 is defective Deck is abnormal Alarm operate SW is defective Key service dead RC601 is defective R C will not operate IC601 Digitron is defective LED FLD DISPLAY will not operate IC505 is defective Set dead Back up will not operate X501 is defective µ CON will not operate BLUE BA...

Страница 96: ... OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 6 D35E COMBO SHEET 6 VR168 923 03485 DVD Circuit TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM IC204 is defective Scratched CD Audio abnormal IC203 is defective AD Converter Error No tracking Focus control All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 97: ...BOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 7 D35E COMBO SHEET 7 VR168 923 03485 Drive RF Circuit TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM IC2A2 is defective No fucus tracking control Q2A1 Q2A2 are defective CD DVD LD will not be on All manuals and user guides at all guides com ...

Страница 98: ...BOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 8 D35E COMBO SHEET 8 VR168 923 03485 MPEG Circuit NO 2CH AUDIO OUT NO 2CH AUDIO OUT NO DVD SCREEN DISPLAY NO VCD SCREEN DISPLAY NO CD SOUND OUT 1 7 2 4 3 5 6 WAVEFORM IC302 IC303 are defective A V out bad All manuals and user guides at all guides com ...

Страница 99: ... AND OR SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 9 D35E COMBO SHEET 9 VR168 923 03485 Audio Circuit 2CH L SIGNAL 2CH R SIGNAL All manuals and user guides at all guides com ...

Страница 100: ...M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 10 D35E COMBO SHEET 10 VR168 923 03485 Micro Circuit FLASH ROM DRAM MAIN CPU E X P A N D E R EEPROM CPLD Servo will not operate X501 No Power on Video output level is unstable Open Close Error Servo will not operate FLD Error All manuals and user guides at all guides com ...

Страница 101: ...CE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 11 D35E COMBO SHEET 11 VR168 923 03485 Jackpack Circuit S VIDEO C AUDIO L COMP VIDEO S VIDEO Y All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 102: ...MBOL AND OR SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 12 D35E COMBO SHEET 12 VR168 923 03485 VCR PCB Layout LOCATION GUIDE All manuals and user guides at all guides com ...

Страница 103: ...OL AND OR SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 13 D35E COMBO SHEET 13 VR168 923 03485 DVD PCB Layout Top LOCATION GUIDE All manuals and user guides at all guides com ...

Страница 104: ...L AND OR SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 14 D35E COMBO SHEET 14 VR168 923 03485 DVD PCB Layout Bottom LOCATION GUIDE All manuals and user guides at all guides com ...

Страница 105: ... SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 7 15 D35E COMBO SHEET 15 VR168 923 03485 Other PCB Layouts 2 KEY P C BOARD 3 CLOCK P C BOARD All manuals and user guides at all guides com ...

Страница 106: ...m IC301 Pin 100mV 10msec DIV VV EE Main De Emphasis out IC301 Pin 100mV 10msec DIV PB Main De Emphais Peacking IC301 Pins 18 21 23 100mV 10msec DIV VV EE IC301 Pin 200mV 10msec DIV EE VIDEO IN IC301 Pin 1 0V 20msec DIV VV EE C SYNC OUT IC301 Pin 500mV 10msecDIV VV EE VIDEO OUT IC301 Pin 200mV 20msec DIV PB C OUT IC301 Pin 100mV 0 2msec DIV PB REC 3 58MHz X TAL IN IC301 Pin 100mV 5msec DIV PB PB RF...

Страница 107: ...68 923 03485 Waveforms 2 2 IC2A1 Pin 42 Focus Error IC2A1 Pin 36 Pi IC2A1 Pin 41 Tracking Error IC301 Pin 139 Component Y IC2A1 Pin 41 VBR TRACKING Error IC2A1 Pin 57 RF IC301 Pin 133 Composite IC301 Pin 151 Chrominance Super video out Mode IC301 Pin 145 Luminance Super video out Mode IC301 Pin 159 MPEG Clock 27MHz IC301 Pin 145 Component Pb IC301 Pin 151 Component Pr All manuals and user guides a...

Страница 108: ...All manuals and user guides at all guides com ...

Страница 109: ...All manuals and user guides at all guides com ...

Страница 110: ...All manuals and user guides at all guides com ...

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