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Omnivision PVQ-1300W, Service Manual

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Omnivision PVQ-1300W Service Manual Download Page 50

6.2.5.1. Reassembly Notes

1. Alignment of Main Cam Gear, Drive Rack Arm, and Main Rod

A. Confirm that the hole on Main Rod is a Through Hole with a hole on chassis.
B. Confirm that the hole on Drive Rack Arm is a Through Hole with a hole on 

chassis.

C. Install the Main Cam Gear so that the projection of Main Cam Gear is in the 

upward position as shown.

Fig. J3-2

50

Summary of Contents for PVQ-1300W

Page 1: ...ORDER NO MKE0008107C1 B6 Combination VCR PVQ 130W PVQ 130WA PVQ 1300W PVQ 1300WA SPECIFICATIONS 1...

Page 2: ...Layout Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent X RADIATION shock fire or other hazards Do...

Page 3: ...long period of time unplug the power cord from the AC outlet 7 Potentials as high as 25 0 kV are present when this TV set is in operation Operation of the TV set without the rear cover involves the d...

Page 4: ...in the AC outlet and repeat each of the above measurements 6 The potential at any point should not exceed 0 75 V RMS A leakage current tester Simpson Model 229 equivalent may be used to make the hot...

Page 5: ...t 2 Connect the circuit below between TP1209 and TP1208 Figure 2 3 Turn on DC Power and then turn on the set Confirm that the picture is on the screen properly 4 Confirm that the picture goes out of h...

Page 6: ...miconductor 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 cir...

Page 7: ...ty precautions 8 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from...

Page 8: ...ed off press FF and REW buttons on unit together for over 3 seconds Fig 1 1 2 TV power goes on and the unit goes into service mode 4 digit for fault code and communication for I2C bus code will be dis...

Page 9: ...Fig 1 3 Fig 1 4 9...

Page 10: ...10...

Page 11: ...Fig 1 5 3 Press any operation button except for POWER on either the unit or the remote to detect that a key has been pressed The 1st digit changes to 0 only when key is detected Fig 1 6 11...

Page 12: ...unction buttons except for power become non operational 5 1 2 SERVICE POSITION 5 1 2 1 Service Position CAUTION HOT CIRCUIT Primary circuit exists on the TV VCR Main C B A Use extreme care to prevent...

Page 13: ...5 1 2 1 2 Service Position 2 Fig 2 2 13...

Page 14: ...Note 1 When recording in Service Position 2 short the S Tab SW Pins on foil side of TV VCR Main C B A to turn this SW on Fig 2 3 14...

Page 15: ...In order to inhibit detection of the Supply Takeup Photo Transistors Reel Sensor and Cylinder Lock place a jumper between TP6001 and GND In this mode Mechanism movement can be confirmed When removing...

Page 16: ...1 Swing the Cassette Door Lid all the way open until the Cassette Door tab clears the Opener Lever 2 Make sure that all guide tabs are aligned properly Then press the VCR Unit straight in Fig 3 5 1 6...

Page 17: ...control as shown in Memory IC Reference Table Note For Selecting Control functions and setting Default value refer to HOW TO ENTER EVR ADJUSTMENT MODE and HOW TO ENTER EVR PG SHIFTER ADJUSTMENT MODE...

Page 18: ...18...

Page 19: ...ading or counterclockwise for unloading using needlenose pliers etc Note Do not use this method if Mechanism is jammed or locked Fig 5 1 5 1 7 2 Electrical Method Apply 10 0 V DC Power Supply to the L...

Page 20: ...t the Motor Leads from the Connector P2503 Otherwise the Loading Motor Drive IC IC2501 may be damaged Fig 5 2 When loading without a cassette push Portion a on the Holder Unit of Cassette Up Ass y so...

Page 21: ...N Wiper Arm Unit may be damaged or its spring may be out of place when the jammed tape is removed by force Remove a jammed tape as follows 5 1 8 1 Manual Method When a tape jam is encountered check th...

Page 22: ...rocedure to remove a tape jam Fig 6 1 5 1 8 1 1 Method 1 1 Move the Pinch Roller Unit out by unhooking the Pin of Pinch Arm Unit so that the Pinch Roller is separated from the Capstan Rotor Unit shaft...

Page 23: ...Spring A of the Drive Rack Arm 5 Remove Screw A 6 Lift the Cassette Up Ass y While pulling the Cassette Up Ass y out far enough so that it clears the Drive Rack Arm slide the Drive Rack Unit as indica...

Page 24: ...hanical trouble make sure that all gear alignments are correct especially the Wiper Arm Unit and Drive Rack Unit of Cassette Up Ass y Refer to EJECT Position Confirmation in DISASSEMBLY ASSEMBLY PROCE...

Page 25: ...e to disconnect the Motor Leads from the Connector P2503 2 Apply 10 0 V DC Power Supply to the Loading Motor terminals 3 When the Loading Posts reach the fully unloaded position remove the Power Suppl...

Page 26: ...Mode High Voltage is inhibited by connecting Jumper J801 on the TV VCR Main C B A however it is possible to check the VCR even when CRT C B A and Anode Cap are removed 5 1 10 WIRE AND LEAD POSITION DI...

Page 27: ...THE AUTO TRACKING To defeat the Auto Tracking Function place the instrument in the STOP mode and place a jumper between TP6003 and TP6009 on the TV VCR Main C B A The tracking will be placed in the ne...

Page 28: ...LE VOLTAGE ISOLATION TRANSFORMER An Isolation Transformer should always be used during the servicing of Combination VCR whose chassis is not isolated from the AC power line Use a transformer of adequa...

Page 29: ...and rubbing of the component electrode must be avoided 2 Removing the leadless component Grasp the leadless component body with tweezers and alternately apply heat to both electrodes When the solder o...

Page 30: ...ss the part downward with tweezers and solder both electrodes as shown below Fig 9 3 Note Do not glue the replacement leadless component to the circuit board 5 2 IC TRANSISTOR AND CHIP PART INFORMATIO...

Page 31: ...5 2 1 HOW TO READ THE IDENTIFICATION MARK OF CHIP COMPONENTS 31...

Page 32: ...art is included in the parts list be sure that the color band is read properly when servicing 2 CAPACITOR Because of the width of the color bands the reading direction cannot be specified However the...

Page 33: ...Perform all disassembly procedures in the order described in the Disassembly Flowchart shown below When reassembling use the reverse procedure CAUTION Disconnect AC plug before disassembly Fig D1 33...

Page 34: ...6 1 2 Disassembly Method 34...

Page 35: ...35...

Page 36: ...used as the identification location No of parts in Figures B Part to be removed or installed C Fig No showing Procedure or Part Location D Identification of part to be removed unhooked unlocked relea...

Page 37: ...Fig D4 37...

Page 38: ...Fig D5 38...

Page 39: ...ener Lever may be damaged when VCR Unit is installed with Cassette Door Lid and Opener Lever of Cassette Up Ass y set incorrectly A When installing the VCR Unit swing the Cassette Door Lid all the way...

Page 40: ...ure that all guide tabs are aligned properly Then press the VCR Unit straight in Fig D6 2 Removal of CRT Unit Place the Unit face down on a soft cloth before removing the CRT Unit Installation of CRT...

Page 41: ...to EJECT Position Confirmation in DISASSEMBLY ASSEMBLY PROCEDURES 4 Removal of TV VCR Main C B A Work carefully so as not to break Sensor LED when lifting the Mechanism Chassis and Cassette Up Ass y I...

Page 42: ...that the Locking Tab L 2 under the Cassette Up Ass y is in Hole on the Mechanism Chassis when installing the Cassette Up Ass y Then slide the Cassette Up Ass y towards the back B When installing 2 Scr...

Page 43: ...6 2 2 Inner Parts Location Fig J1 1 43...

Page 44: ...6 2 3 EJECT Position Confirmation Fig J1 2 44...

Page 45: ...6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 45...

Page 46: ...46...

Page 47: ...s positioned on the front side of the Cylinder shaft so that the center line of the plate is just less than 1 0 mm measured from the center of the Cylinder shaft If required adjust the plate position...

Page 48: ...6 2 5 Capstan Belt Support Angle Intermediate Gear B and Main Cam Gear Fig J3 1 48...

Page 49: ...49...

Page 50: ...Rod A Confirm that the hole on Main Rod is a Through Hole with a hole on chassis B Confirm that the hole on Drive Rack Arm is a Through Hole with a hole on chassis C Install the Main Cam Gear so that...

Page 51: ...ermediate Gear B Main Cam Gear and Intermediate Gear A A Confirm that the Hole A on Lift Gear is a Through Hole with a hole on chassis B Confirm that the hole on Intermediate Gear A is aligned with th...

Page 52: ...C Install the Intermediate Gear B so that the hole on the Intermediate Gear B is aligned with the hole on the Main Cam Gear Fig J3 4 52...

Page 53: ...r A The EJECT mode Hole on Main Cam Gear should be a Through Hole with Hole A on Support Angle in EJECT mode The each mode Hole on Main Cam Gear should be a Through Hole with Hole B on Support Angle i...

Page 54: ...the Support Angle install the Main Cam Push Nut with Needlenose Pliers etc so that it is flush with the chassis There may be some slight scratches on the Shaft of Main Cam Gear when removing the Main...

Page 55: ...6 2 6 1 Reassembly Notes 1 Installation of Center Clutch Unit A Fit the Center Clutch Unit into the Changing Gear Fig J4 2 55...

Page 56: ...6 2 7 Reel Gear and Main Rod Fig J5 1 56...

Page 57: ...assembly Notes 1 Alignment of Main Rod and T Loading Arm Unit A Align the Gear of T Loading Arm Unit with Gear of Main Rod Confirm that the Hole on Main Rod is a Through Hole with a hole on chassis Fi...

Page 58: ...6 2 8 Stopper Angle Capstan Rotor Unit Oil Seal Capstan Stator C B A and MR Head Fig J6 1 58...

Page 59: ...59...

Page 60: ...Silicon Grease CAUTION When installing the IC2501 AN3845SC or AN3846SC or Capstan Stator C B A be sure to apply Silicon Grease VFK1301 as shown Be careful not to touch other parts with greased portio...

Page 61: ...61...

Page 62: ...an Rotor Unit Shaft into the hole of the Capstan Holder Unit so that shaft passes through 2 Oil Seals Be careful not to scratch the Shaft or Capstan Holder Unit B Align the bottom of Oil Seal A with n...

Page 63: ...Unit A Install the S Loading Arm Unit onto the chassis B Install the T Loading Arm Unit so that the hole on T Loading Arm Unit is aligned with the hole on S Loading Arm Unit C Confirm that the holes o...

Page 64: ...6 2 10 T Brake Unit Tension Control Arm Unit T Reel Table S Reel Table and Tension Arm Unit Fig J8 1 64...

Page 65: ...6 2 10 1 Reassembly Notes 65...

Page 66: ...1 How to distinguish between S Reel Table and T Reel Table Fig J8 2 6 2 11 Loading Post Base T Unit and Loading Post Base S Unit Fig J9 66...

Page 67: ...6 2 12 Opener Piece Drive Rack Arm Pinch Arm Unit P5 Arm Unit and Intermediate Gear A Fig J10 1 67...

Page 68: ...P5 Arm Unit A Rotate the Lift Gear so that Hole A on Lift Gear is a Through Hole with a hole on chassis B Install the Intermediate Gear A so that the hole on Intermediate Gear A is aligned with the ho...

Page 69: ...Fig J10 2 2 Installation of Opener Piece A Install the Opener Piece so that the slot of the Opener Piece is inserted to the Pin of Pinch Arm Unit Fig J10 3 69...

Page 70: ...6 2 13 Motor Block Unit Audio Control Head Unit Lift Gear Capstan Holder Unit and Tension Arm Boss Fig J11 70...

Page 71: ...6 3 CASSETTE UP ASS Y SECTION 71...

Page 72: ...6 3 1 Top Plate Wiper Arm Unit and Holder Unit Fig K1 1 72...

Page 73: ...73...

Page 74: ...of Wiper Arm Unit and Drive Rack Unit A Slide the Drive Rack Unit to the far right as indicated by the arrow B Install the Wiper Arm Unit so that the hole on the Wiper Arm Unit is aligned with the hol...

Page 75: ...75...

Page 76: ...B Insert Holder Unit boss A and B into the grooves as shown in Fig K1 1 C Finally in theEJECT Position confirm that the protrudence on the Wiper Arm Unit is aligned with the indentation on the Drive...

Page 77: ...7 ADJUSTMENT PROCEDURES 7 1 SERVICE FIXTURES AND TOOLS 77...

Page 78: ...While slowly turning the Upper Cylinder Unit counterclockwise by hand gently rub the Video Heads with a Head Cleaning Stick VFK27 moistened with Ethanol When using a Cleaning Cassette make sure to us...

Page 79: ...e adjust the Back Tension so that the tape runs smoothly with a constant tension Symptom of Misadjustment 1 If the tape tension is less than the specified value the tape cannot come into proper contac...

Page 80: ...reading is out of specification make sure that there is no dust or foreign material between the Brake Pad of Tension Control Arm Unit and the S Reel Table After cleaning the reading of tension measur...

Page 81: ...ed at least three 3 times because the tension meter is very sensitive to external vibrations 7 2 2 2 MR HEAD GAP ADJUSTMENT Purpose To properly pick up the FG Signal Symptom of Misadjustment If the FG...

Page 82: ...en set the Screwdriver Phillips Driver into the Hole A Turn the screwdriver clockwise until the MR Head touches the rotor Then turn it slightly counterclockwise to make the clearance as specified 4 Ti...

Page 83: ...Note Do not touch the outside circumference of the rotor surface with any tool and keep magnetic material away from the rotor magnet especially metal particles 83...

Page 84: ...place the unit in SLP recording mode 4 Connect the oscilloscope to Pin 9 of P6201 on the TV VCR Main C B A Confirm that the signal level is greater than 20 mV P P Fig M3 2 7 2 2 3 TAPE INTERCHANGEABIL...

Page 85: ...ral Tracking position 3 Play back the alignment tape 4 Connect the oscilloscope to TP3002 on the Video Signal Process Section of the TV VCR Main C B A Use TP6205 as a trigger 5 Confirm that the RF env...

Page 86: ...Fig M4 2 6 After adjustment confirm that the tape travels without curling at P2 and P3 posts Fig M4 3 86...

Page 87: ...of the head Symptom of Misadjustment If the tilt of the Audio Control Head is poorly adjusted the tape will eventually be damaged An intermittent Blue screen may be seen in Playback 1 Play back a T120...

Page 88: ...gnal is not properly picked up Servo Operation cannot be achieved A Blue screen will be seen in Playback This confirmation is required when the Audio Control Head is replaced 1 Play back a T120 casset...

Page 89: ...erly Symptom of Misadjustment If the position of the Audio Control Head is not properly adjusted the Audio S N Ratio is poor 1 Connect the oscilloscope to the TP4002 on the TV VCR Main C B A 2 Play ba...

Page 90: ...l Position of the Tracking Control Circuit 1 Place a jumper between TP6003 and 5V TP6009 on the TV VCR Main C B A to defeat Auto Tracking 2 Eject the tape and insert it again to access the Neutral Tra...

Page 91: ...ENT To do all of these electrical adjustments the following equipment is required 1 Dual Trace Oscilloscope Voltage Range 0 001 V to 50 V Div Frequency Range DC to 50 MHz Probes 10 1 1 1 2 NTSC Video...

Page 92: ...7 Isolation Transformer Variable 8 VHS Alignment Tape VFMS0003H6 9 Degaussing Coil 10 White Pattern Generator 11 Audio Generator 7 3 2 HOW TO READ THE ADJUSTMENT PROCEDURES Fig E1 92...

Page 93: ...C B A Specification 115 VDC 0 2 VDC Input Video Input Jack Monoscope Pattern Signal Mode STOP Equipment DVM Digital Volt Meter 1 Supply a Monoscope Pattern Signal to the Video Input Jack 2 Connect the...

Page 94: ...94...

Page 95: ...CUT OFF DRIVE ADJUSTMENT SUB COLOR SUB TINT ADJUSTMENT V HEIGHT H POSITION ADJUSTMENT WHITE BALANCE ADJUSTMENT SUB BRIGHTNESS ADJUSTMENT 7 3 4 2 HOW TO ENTER EVR ADJUSTMENT MODE Press and hold STOP PL...

Page 96: ...justed 2 Press VOL UP DOWN key on the remote control so that the shaded area moves to the value Fig E2 2 3 Press CH UP DOWN key on the remote control to adjust the value of the selected control Fig E2...

Page 97: ...t Mode Press and hold STOP PLAY and VOL DOWN buttons on the unit together over 5 seconds again or press the POWER button OFF The adjusted value will be written to Memory IC IC6004 7 3 4 3 HOW TO ENTER...

Page 98: ...POWER button OFF The adjusted value will be written to Memory IC IC6004 7 3 4 4 HOW TO ENTER SERVICE MODE 1 Enter EVR adjustment mode 2 Press DISPLAY key on the remote control for collapse scan Note...

Page 99: ...ation T 6 H 1 H 0 38 ms 0 06 ms Input Mode SP Playback Equipment Oscilloscope VHS Alignment Tape VFMS0003H6 1 Enter EVR PG Shifter Adjustment mode refer to HOW TO ENTER EVR PG SHIFTER ADJUSTMENT MODE...

Page 100: ...level Symptom of Misadjustment The picture is too dark or too light Test Point Pin 5 of P6001 TV VCR Main C B A or TP49 CRT C B A Adjustment SUB CONTRAST EVR Specification 3 0 V p p 0 1 V p p Input Vi...

Page 101: ...e Then after making a note of the original value adjust to the D0 4 Select SUB CONTRAST in EVR adjustment mode and adjust so that the level A is 3 0 V p p 0 1 V p p 5 Select SUB BRIGHT in EVR adjustme...

Page 102: ...Signal to the Video Input Jack 2 Connect the Oscilloscope to TP50 on the CRT C B A Use TP47 for GND 3 Select SUB BRIGHT and move the shaded area to the value in EVR adjustment mode 4 Adjust the FOCUS...

Page 103: ...red in step 8 select and adjust the B CUT OFF and G CUT OFF 10 Press DISPLAY key on the remote control again to return for full frame scan 11 Select SUB BRIGHT in EVR adjustment mode and adjust so th...

Page 104: ...OP Equipment Oscilloscope NTSC Video Pattern Generator 1 Supply the Rainbow Color Bar signal to Video Input Jack 2 Select SUB BRIGHT in EVR adjustment mode Then after making a note of the original val...

Page 105: ...5 Select SUB COLOR in EVR adjustment mode and adjust so that the level C is 1 40 V p p 0 15 V p p Fig E6 2 105...

Page 106: ...in EVR adjustment mode and reset to the original value 7 3 9 PURITY ADJUSTMENT Purpose To set the uniform white over the whole screen Symptom of Misadjustment The white screen will vary from area to...

Page 107: ...which overlapped each other in Step 5 overlap G 7 Supply a White Pattern Signal to Video Input Jack 8 Select G CUT OFF in EVR adjustment mode and adjust it to become to the minimum level Turn the Pair...

Page 108: ...d control function and move the shaded area to the value Fig E7 7 3 10 STATIC CENTRAL CONVERGENCE ADJUSTMENT Purpose To set the uniform convergence over the whole screen Symptom of Misadjustment The c...

Page 109: ...overlaps G 7 3 11 DYNAMIC CONVERGENCE ADJUSTMENT Purpose To set the uniform convergence over the whole screen Symptom Misadjustment The convergence on the screen will vary at the sides of the CRT Tes...

Page 110: ...d Deflection Yoke and wiggle it horizontally right to left to produce the correct Crosshatch Pattern position Fig E8 2 4 Insert three wedges to maintain the correct Crosshatch Pattern Position Fig E8...

Page 111: ...ty 7 3 12 V HEIGHT H POSITION ADJUSTMENT Purpose To set the standard vertical and horizontal picture size Symptom of Misadjustment The picture size is on the vertical and horizontal axis is abnormal T...

Page 112: ...djust so that A is approximately equal to width B 3 Select V SIZE in EVR adjustment mode and adjust so that the top 3rd line is just in view 4 Confirm that the 10th dotted line is in view and that the...

Page 113: ...7 3 13 WHITE BALANCE ADJUSTMENT Purpose To set the standard white level for each color temperature 113...

Page 114: ...ttern Generator Oscilloscope 1 Supply a Monoscope Pattern Signal to the Video Input Jack 2 Connect the Oscilloscope to TP50 on the CRT C B A Use TP47 for GND 3 Select SUB BRIGHT and move the shaded ar...

Page 115: ...Pattern Signal to the Video Input Jack 11 Press DISPLAY key on the remote control again to return for full frame scan 12 Select G DRIVE and B DRIVE in EVR adjustment mode and adjust so that the entire...

Page 116: ...e Perform this adjustment in a darkened room Test Point Adjustment SUB BRIGHT EVR Specification Refer to descriptions below Input Mode STOP 1 Do not input any signal to the unit 2 Set INPUT SELECT ite...

Page 117: ...8 SCHEMATIC DIAGRAMS 8 1 SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT 117...

Page 118: ...DIAGRAM 8 3 HEAD AMP AUDIO CONTROL HEAD SCHEMATIC DIAGRAM 8 4 CRT SCHEMATIC DIAGRAM 8 5 CAPSTAN STATOR SCHEMATIC DIAGRAM 8 6 INTERCONNECTION SCHEMATIC DIAGRAM 8 7 SIGNAL WAVEFORMS 8 8 VOLTAGE CHART 9...

Page 119: ...EAD AMP C B A AUDIO CONTROL HEAD P C B 10 BLOCK DIAGRAMS 10 1 POWER SUPPLY BLOCK DIAGRAM 10 2 VIDEO SIGNAL PATH BLOCK DIAGRAM 10 3 AUDIO SIGNAL PATH BLOCK DIAGRAM 10 4 SYSTEM CONTROL BLOCK DIAGRAM 10...

Page 120: ...ANISM BOTTOM SECTION 11 3 CASSETTE UP COMPARTMENT SECTION 11 4 CHASSIS FRAME SECTION 1 11 5 CHASSIS FRAME SECTION 2 11 6 PACKING PARTS AND ACCESSORIES SECTION 12 REPLACEMENT PARTS LISTS BEFORE REPLACI...

Page 121: ...ALLY SENSITIVE ES DEVICES section of this service manual 4 Parts with no Ref No in EXPLODED VIEWS are not supplied And some Ref No will be skipped Be sure to make your orders of replacement parts acco...

Page 122: ...cording to the replacement parts list 12 1 2 Mechanical Replacement Notes 1 Section No of parts shown in Exploded Views are indicated in the Remarks column 2 Main Cam Gear is supplied as a Main Cam Ge...

Page 123: ...Board E S D Electrostatically Sensitive Devices 3 SERVICE OF CHIP PARTS When servicing chip parts please use a soldering iron of less than 30 W Refer to IC TRANSISTOR AND CHIP PART INFORMATION page 4...

Page 124: ...ks column Use the following link button for the Exploded View Section Exploded View Section No Exploded View MECHANISM TOP SECTION 1 MECHANISM BOTTOM SECTION 2 CASSETTE UP COMPARTMENT SECTION 3 CHASSI...

Page 125: ...NTERMEDIATE GEAR B 2 53 LSMA0423 SUPPORT ANGLE 2 54 LSDV0007 CAPSTAN BELT SQUARE RUBBER 2MM 2 57 LSSA0003 GROUNDING PLATE UNIT 1 60 VMFS0311 CUSHION 5 61 VXYS1347 CASSETTE UP ASS Y 3 62 LSMA0352 TOP P...

Page 126: ...43 LSDG0114 CHANGING GEAR 2 44 VXLS1091 IDLER ARM UNIT 2 131 LPJ62029A BOTTOM CUSHION FRONT STYROFORM 6 MKA 126...

Page 127: ...3 XYN26 C6 SCREW W WASHER STEEL 2 474 LSHD0056 TAPPING SCREW STEEL 1 475 XTV26 5FJ TAPPING SCREW STEEL 2 476 XTV3 12G TAPPING SCREW STEEL 4 E1 VEPS3082F TV VCR MAIN C B A 5 RTL MKA E1 VEPS3082L TV VCR...

Page 128: ...0032 2 PERMALLOY MAGNETIC STRIP 12 3 ELECTRICAL REPLACEMENT PARTS LIST 12 3 1 PRINTED CIRCUIT BOARD ASSEMBLY Ref No Part No Part Name Description Remarks E1 VEPS3082F TV VCR MAIN C B A E S D RTL MKA F...

Page 129: ...T IC LINEAR ERROR V DET IC2601 AN3808K IC LINEAR CYLINDER MOTOR DRIVE IC3001 AN3479FBP A IC LINEAR VIDEO AUDIO PROCESS IC3201 MN3885S IC CCD 1H DELAY E S D IC3301 LC8632165N41 IC 8BIT MICROCONTROLLER...

Page 130: ...cription Remarks OR 2SC945A TQA Q802 2SC4533LB KT MKA Q807 2SD1458 OR 2SD2259 Q810 2SC2412K1 CHIP OR 2SD601A CHIP Q812 2SC1684 Q R S OR 2SC2785 TE MKA OR 2SC2785 TF MKA OR 2SC2785 TH MKA OR 2SC2785 TJ...

Page 131: ...MP SI NPN CHIP Q3315 DTA124EK CHIP OR UN2112 CHIP Q4001 2SA1037K146R CHIP OR 2SB709A CHIP Q4002 2SD1819A R S CHIP OR 2SD601 R S CHIP Q4003 2SD1819A R S CHIP OR 2SD601 R S CHIP Q4101 2SC2412K1 CHIP OR...

Page 132: ...DIODES 132...

Page 133: ...MA111 CHIP Ref No Part No Part Name Description Remarks OR 1SS355TE 17 CHIP D812 MA110 CHIP OR MA111 CHIP OR 1SS355TE 17 CHIP D814 RU30A014 305 D815 ERC30 01L3 OR RU3YXLFC1 D816 MA4120 L ZENER 12V D81...

Page 134: ...R 1SS119 OR 1SS133T D5603 MA165 OR 1SS119 OR 1SS133T D6001 VEKS5708 SENSOR LED UNIT D6002 MA165 OR 1SS119 OR 1SS133T D6003 MA165 OR 1SS119 OR 1SS133T D6201 MA165 OR 1SS119 OR 1SS133T D6202 MA165 OR 1S...

Page 135: ...1 11 3K MKA OR ER0S2TKF1132 METAL FILM 1 11 3K MKA OR VRESR4TF1132 METAL FILM 1 11 3K MKA R509 ERDS2TJ101 100 R511 ERG2ANJ222H METAL OXIDE 2W 2 2K MKA R512 ERDS2TJ222 2 2K R513 ERDS2TJ472 4 7K R516 L...

Page 136: ...EYJ103V MGF CHIP 1 10W 10K R3016 ERJ6GEYJ121V MGF CHIP 1 10W 120 R3017 ERJ6GEYJ331V MGF CHIP 1 10W 330 R3024 ERJ6GEYJ471V MGF CHIP 1 10W 470 R3025 ERJ6GEYJ125V MGF CHIP 1 10W 1 2M R3026 ERJ6GEYJ474V M...

Page 137: ...GEYJ394V MGF CHIP 1 10W 390K R5403 ERJ6GEYJ221V MGF CHIP 1 10W 220 R5405 ERJ6GEYJ822V MGF CHIP 1 10W 8 2K Ref No Part No Part Name Description Remarks R5406 ERJ6GEYJ101V MGF CHIP 1 10W 100 R5407 ERJ6G...

Page 138: ...10W 5 6K R6173 ERJ6GEYG332V MGF CHIP 2 1 10W 3 3K R6174 ERDS2TG223 2 22K MKA R6175 ERDS2TG273 2 27K MKA R6176 ERDS2TJ103 10K R6177 ERDS2TJ103 10K R6178 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6179 ERJ6GEY0R0...

Page 139: ...CAPACITORS 139...

Page 140: ...OR VCKSTJG221KW CERAMIC 250V 220P MKA OR VCKSTLG221KW CERAMIC 250V 220P MKA OR VCKSUJD221KW CERAMIC 125V 220P MKA Ref No Part No Part Name Description Remarks OR VCKSULD221KW CERAMIC 125V 220P MKA C80...

Page 141: ...Part Name Description Remarks C3016 ECEA1CKS100 ELECTROLYTIC 16V 10 C3019 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2 C3020 ECEA1CKA220 ELECTROLYTIC 16V 22 C3021 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2 C3022 ECUV1C224Z...

Page 142: ...P 25V 0 033 C5601 ECUV1H103ZFN C CHIP 80 20 50V 0 01 C5602 ECUV1E104KBN C CHIP 25V 0 1 C5603 ECUV1H150JCN C CHIP 5 50V 15P Ref No Part No Part Name Description Remarks C5604 ECEA1HKA010 ELECTROLYTIC 5...

Page 143: ...SW07D220M 20 22 L813 VLQSW07D220M 20 22 L814 VLPS0087 MKA L815 VLPS0087 MKA L3001 VLQSH02R390K 39 L3002 ELESN101KA 100 L3004 ELEXT270KE04 27 MKA L3005 VLQSH02R330K 33 L3010 ELESN470KA 47 L3231 ELESN22...

Page 144: ...SWITCH SW6303 EVQ21405R PUSH SWITCH SW6304 EVQ21405R PUSH SWITCH SW6305 EVQ21405R PUSH SWITCH SW6306 EVQ21405R PUSH SWITCH SW6307 EVQ21405R PUSH SWITCH SW6308 EVQ21405R PUSH SWITCH SW6310 EVQ21405R P...

Page 145: ...FUSE HOLDER E27 TSOP1837UH1 INFRARED RECEIVER UNIT MKA E41 TUC76677 1 HEAT SINK E42 LUS23004A HEAT SINK MKA E44 LML69001A ANODE LEAD CLAMPER MKA E46 XTV3 10G TAPPING SCREW STEEL E47 XTW3 10J TAPPING...

Page 146: ...16V 2 2 C2522 ECUV1C225ZFN C CHIP 80 20 16V 2 2 PIN HEADERS Ref No Part No Part Name Description Remarks P2503 VJSS3337 CONNECTOR 2P MISCELLANEOUS Ref No Part No Part Name Description Remarks E127 XQ...

Page 147: ...C3529 ECUV1H103ZFN C CHIP 80 20 50V 0 01 COILS Ref No Part No Part Name Description Remarks L3501 ELESN101KA 100 PIN HEADERS Ref No Part No Part Name Description Remarks P2601 LSJS0096 CONNECTOR 12P P...

Page 148: ...f No Part No Part Name Description Remarks C351 VCYSARH391KBCERAMIC 50V 390P C352 VCYSARH391KBCERAMIC 50V 390P C353 VCYSARH471KBCERAMIC 50V 470P C354 VCKSKZM102KBCERAMIC 2KV 1000P MKA PIN HEADERS Ref...

Page 149: ...3 1 20Vp p V1 TP4002 0 5V 0 5ms1 REC PB WF14 V1 5 00Vp p PIN 13 OF IC3001 2V 2ms 1 CUE REV SLOW STILL WF15 0 180Vp p V1 PIN 34 OF IC3001 0 1V 5ms 2 PB WF16 0 240Vp p V1 PIN 41 OF IC3001 0 2V 5ms 2 REC...

Page 150: ...Q807 0 1V 5 s1 POWER ON WF42 90 00Vp p V1 PIN10 OF T801 20V 2 s1 POWER ON WF43 40 00Vp p V1 PIN 11 OF T801 20V 2 s1 POWER ON WF44 277 00Vp p V1 PIN13 OF T801 50V 2 s1 POWER ON WF45 40 00Vp p V1 PIN 1...

Page 151: ...13 4 2 4 2 14 6 2 6 2 15 4 3 4 3 16 0 8 0 7 17 0 0 18 0 1 0 1 19 1 8 1 8 20 0 0 21 3 7 3 7 22 3 5 3 6 23 3 7 3 7 24 9 1 9 1 25 3 6 3 6 26 9 2 9 2 27 0 0 28 0 0 29 0 0 30 5 8 5 8 31 6 2 2 0 32 3 7 3 7...

Page 152: ...5 3 5 3 5 3 74 5 3 5 3 5 3 75 5 3 5 3 5 3 76 5 3 5 3 5 3 77 3 6 3 6 3 6 78 5 1 5 2 5 2 79 5 2 5 2 5 2 80 5 2 5 2 5 2 81 3 4 3 0 3 4 82 0 0 0 83 0 0 0 84 0 0 0 85 3 0 2 6 2 6 86 2 1 2 6 2 6 87 2 6 2 6...

Page 153: ...ON HEAD AMP C B A IC3501 1 2 6 2 6 2 0 0 3 0 1 4 4 0 0 7 5 0 0 6 0 0 7 7 0 1 4 8 0 0 9 0 0 10 0 0 11 0 0 12 0 0 13 14 5 9 0 1 15 5 9 0 1 16 5 9 0 1 17 5 9 0 1 18 6 3 0 19 20 21 22 0 0 23 0 0 24 0 0 25...

Page 154: ...OSD CCV CRT BLOCK DIAGRAM OVER CURRENT MAIN C B A D823 4 Q802 SWITCHING CONTROL SWITCHING CONTROL FULL WAVE RECTIFIER Q807 1 2 8 9 10 7 8 RECTIFIER D880 RECTIFIER D815 T801 6 1 2 15 16 11 10 12 13 14...

Page 155: ...01 1 P3501 1 P3501 1 HEAD AMP C B A FOR 4HEAD MODEL VIDEO LP SLP L HEAD VIDEO LP SLP R HEAD VIDEO SP L HEAD VIDEO SP R HEAD IC3501 HEAD AMP L R L R SP LP SLP SP LP SLP REC PB FROM IC6001 30 HEAD AMP S...

Page 156: ...9001 7 IC9201 1 TUNER AUDIO FROM IC9001 22 23 RF AUDIO TO IC9301 4 11 NORMAL AUDIO P6202 3 P6202 1 P3001 3 P3001 4 P2601 3 P2601 1 P3501 3 P3501 4 P4091 2 P4091 1 P4091 4 P4091 3 P4092 2 P4092 1 P4092...

Page 157: ...ON KEY MATRIX SW6301 SW6308 SW6310 SW6312 5 6 I2 C SERIAL DATA I2 C SERIAL CLOCK TO FROM IC3001 8 I2 C SERIAL DATA TO FROM IC4201 17 I2 C SERIAL DATA TO IC4201 16 I2 C SERIAL CLOCK TO IC3001 7 I2 C SE...

Page 158: ...ATOR HEAD AMP CONTROL ROTARY SIGNAL GENERATOR HEAD AMP SELECT SIGNAL GENERATOR PG FG SEPARATOR FORCED ACCELERATION HEAD SW SIGNAL GENERATOR SLOW STILL CONTROL TP6202 INTEGRATION INTEGRATION TP6211 CAP...

Page 159: ...01 Q551 T501 R503 C513 D503 D506 D504 D505 DC CONVERT HORIZONTAL DRIVE Q432 Q433 Q434 V POSITION CONTROL BUFFER FROM T801 13 115V TO IC6001 82 OVER CURRENT H OVER CURRENT DETECTOR Q581 VERTICAL DEFLEC...

Page 160: ...D802 R856 2 4 D807 R1218 C821 C819 D832 R857 R811 C803 TP806 M2 M1 C808 D881 J820 F801125V 4A TP807 R818 C805 D882 HOT COLD P7001 11 10 1 D809 R803 D808 L806 1 3 5 U801 C849 D844 C840 C812 C807 R865 P...

Page 161: ...N STATOR C B A BE SURE TO APPLY SILICON GREASE VFK1301 REFER TO CAPSTAN STATOR C B A OF MACHANISM SECTION IN DISASSEMBLY ASSEMBLY PROCEDURES NOTE CIRCUIT BOARD LAYOUT SHOWS COMPONENTS INSTALLED FOR VA...

Page 162: ...21 22 23 24 2 3 4 5 6 7 8 9 25 26 27 28 3 4 1 2 GND CAP FG CAP DIRECTION CAP FG CAP TORQ LIM LD M FWD H V REF LD M REV H CAP ERROR UNSW 5V SYS CTL UNSW 5V SYS CTL SW 14V TO MAIN C B A P6201 Z 1 8W 1 8...

Page 163: ...5 BLUE AMP AMP GREEN AMP RED WF60 TP47 WF61 WF62 TP49 TP50 FOCUS ANODE TO TV VCR MAIN C B A 3 A E G 1 A B C I 4 5 2 F H D CRT SOCKET LRP63004 Z 1W 1W 1W UNLESS OTHERWISE SPECIFIED WATTAGE OF RESISTORS...

Page 164: ...VIDEO SP L HEAD VIDEO SP R HEAD PIN UPPER CYLINDER UNIT P3503 PATTERN ONLY Z Z Z Z Z Z Z 4 2 8 3 6 7 1 5 11 12 9 10 P2601 3 4 3 2 1 6 5 P4091 GND AUDIO ERASE HEAD AUDIO ERASE HEAD AUDIO ERASE HEAD AUD...

Page 165: ...CH AUDIO OUT L CH AUDIO OUT R CH EARPHONE JACK 25 Pins F G L 3 Pins A B C D E H I J K M 15 Pins F G L 12 Pins A B C D E H I J K M L 4 Pins L 2 Pins A B C D E F G H I J K M Z P2503 PIN 2 Pins P4091 P4...

Page 166: ...14MHz TUNER SIGNAL L TUNER L PLL LOCK L DTS CS H TV SIGNAL L FM SIGNAL L FM H DEMO L VCR L TV STEREO L OSD CS L FM MONO H SENSOR LED V SYNC SUPPLY REEL PULSE TAKEUP REEL PULSE PB CTL GND CAP FG CAP FG...

Page 167: ...24 WF16 REC PB CHROMINANCE SIGNAL PROCESS 25 SAP SIGNAL L WF17 26 MTS SIGNAL L PB WF18 27 PB WF19 TO MAIN I 28 PB FM STEREO L 29 REC 21 30 WF13 30 15M 31 TUNER 22 SWITCHING PB OFF GND TO MAIN I LINE M...

Page 168: ...CT GND 79 78 77 76 VCO 1 4 CONV 1 40 AFC SIDE LOCK COLOR KILLER DETECTOR FREQUENCY DET REC PB GND 1 4 1 1 2 3 4 84 83 82 81 80 CNR VXO BPF X2 SUB VCC 2FSC FSC CHROMA PHASE COMPEN SATOR REC VIDEO SIGNA...

Page 169: ...OSD BLUE 81 GND Z TO MAIN V BLANKING PULSE SW 12V H PULSE PROCESS TO MAIN II TV POWER ON H 7 LINE TO MAIN VII 25 I2C SERIAL CLOCK VCC1 H PULSE 8 COLOR KILLER DET 67 BUFFER I2C SERIAL DATA R I 68 60 T...

Page 170: ...ACC DETECTOR HPF COLOR CONTROL TINT CONTROL APC COLOR KILLER DETECTOR VCO 9 6V VCC 1 BGP VCC 6 1V GND GND V SYNC SEPARATION V OUT V COUNT DOWN H SYNC SEPARATION H LOCK DETECTOR AFC 2 HOLD DOWN DETECT...

Page 171: ...R EARPHONE JACK 1 DC 16V NORMAL AUDIO AUDIO L CH TV VOLUME CONTROL AUDIO R CH AUDIO AMP MUTE H 2 3 4 GND GND AUDIO L CH AUDIO R CH P4591 AUDIO AMP MUTE ON ON MUTE ON ON AUDIO AMP JK4591 2 1 4 3 5 6 G...

Page 172: ...VIDEO UNSW 5V SYS CTL 73 82 UNSW 5V VIDEO 96 UNSW 5V VIDEO 97 81 72 SW 12V SW 12V SW 12V 6 29 SW 14V DEGAUSS H OUTPUT VOLTAGE DETECTOR OUTPUT VOLTAGE DETECTOR OUTPUT VOLTAGE DETECTOR SWITCHING 1 2 3 4...

Page 173: ...V POSITION WF47 WF51 5W WF48 500V WF49 WF50 500V 1 4W 1 4W 1 4W 1 4W 1 4W Z Z 1 4W 1 4W 11 3K Z 1 4W 1 4W 1 4W Z 1 4W 47K 56K 82K 100K 1 2 2 2 1500 3900 1 4W 22K 820 27K 270 18K 18K 1 5 5 6 1 4W Z 2S...

Page 174: ...FM SIGNAL 25 L GND GND GND UNSW 5V VIDEO DTS CS H DATA 0 SERIAL PLL LOCK L SW 30V IF IF TUNER SIGNAL L AFC TUNER AUDIO H TUNER VIDEO ENG36701G U7001 UHF VHF TUNER TV DEMODULATOR UNIT ANTENNA 1 1 GND...

Page 175: ...between C B A s are shown below AUDIO CONTROL HEAD UNIT MAIN C B A The Number of pins of the Connector Connector No on Main C B A P4092 P4091 P4091 4 Pins Ref No of the connection parts such as lead...

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