Panasonic OmniVision PV-Q2511 Service Manual Download Page 93

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Ref. No.

Part No.

Part Name & Description

Remarks

R542

ERDS2TJ103

CARBON 1/4W 10K

R543

ERDS2TJ472

CARBON 1/4W 4.7K

R545

ERDS2TJ331

CARBON 1/4W 330

R546

ERDS2TJ103

CARBON 1/4W 10K

R547

ERJ6GEYJ153V

MGF CHIP 1/10W 15K

R548

ERDS2TJ104

CARBON 1/4W 100K

R552

ERDS2TJ103

CARBON 1/4W 10K

R553

ERDS2TJ102

CARBON 1/4W 1K

R554

ERDS2TJ822

CARBON 1/4W 8.2K

R555

ERDS2TJ823

CARBON 1/4W 82K

R556

ERDS2TJ473

CARBON 1/4W 47K

R558

ERG2ANJ102H

METAL OXIDE 2W 1K

R559

ERDS2TJ103

CARBON 1/4W 10K

R561

ERQ2CJP1R5S

FUSE 2W 1.5

R562

ERF5ZK2R2

W FLMPRF 5W 2.2

R571

ERDS2TJ101

CARBON 1/4W 100

R572

ERDS2TJ331

CARBON 1/4W 330

R573

ERDS2TJ221

CARBON 1/4W 220

R574

ERJ6GEYJ273V

MGF CHIP 1/10W 27K

R581

ERDS1FJ1R5P

CARBON 1/2W 1.5

R582

ERDS1FJ1R5P

CARBON 1/2W 1.5

R583

ERDS1FJ1R2P

CARBON 1/2W 1.2

R584

ERDS2TJ562

CARBON 1/4W 5.6K

R585

ERDS2TJ473

CARBON 1/4W 47K

R586

ERDS2TJ393

CARBON 1/4W 39K

R587

ERG12SJ560P

METAL OXIDE 1/2W 56

R591

ERF5ZJ121

W FLMPRF 5W 120

R810

ERDS2TJ103

CARBON 1/4W 10K

R815

ERDS2TJ223

CARBON 1/4W 22K

R818

VRESC2TK825T

RESISTOR SOLID 1/2W 8.2M

R865

ERDS2TJ222

CARBON 1/4W 2.2K

R1003

VRESE2TJ334T

CARBON 1/2W 330K

R1004

ERG2SJ333H

METAL OXIDE 2W 33K

R1005

ERG1SJ560P

METAL OXIDE 1W 56

R1006

ERJ6GEYJ222V

MGF CHIP 1/10W 2.2K

R1007

ERDS2TJ101

CARBON 1/4W 100

R1008

ERDS2TJ392

CARBON 1/4W 3.9K

R1010

ERD25FJ100P

CARBON 1/4W 10

R1010

ERD25FPJ100P

CARBON 1/4W 10

R1010

VRESF4FJ100P

CARBON 1/4W 10

R1011

ERD25FJ100P

CARBON 1/4W 10

R1011

ERD25FPJ100P

CARBON 1/4W 10

R1011

VRESF4FJ100P

CARBON 1/4W 10

R1014

ERJ6GEYJ221V

MGF CHIP 1/10W 220

R1015

ERJ6GEYJ221V

MGF CHIP 1/10W 220

R1016

ERJ8GEYJ562V

MGF CHIP 1/8W 5.6K

R1017

ERJ6GEYJ103V

MGF CHIP 1/10W 10K

R1018

ERJ6GEYJ183V

MGF CHIP 1/10W 18K

R1019

ERJ6GEYJ392V

MGF CHIP 1/10W 3.9K

R1020

ERJ6GEYJ682V

MGF CHIP 1/10W 6.8K

Summary of Contents for OmniVision PV-Q2511

Page 1: ...ORDER NO MKE0102103C1 B6 Combination VCR PVQ 2511 PV C2541 SPECIFICATIONS ...

Page 2: ...rmer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect Combination VCR from being damaged by accidental shorting that may occur during servicing 3 When servicing observe the original lead dress especially the lead dress in the high voltage circuits If a short circuit is found replace all parts which have...

Page 3: ... the CRT ground of receiver before handling the tube 8 After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards LEAKAGE CURRENT COLD CHECK 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 For physically operated power switches turn power on Otherwise skip step 2 3 Measure the resistance value with an ohmmete...

Page 4: ... 0 75 V RMS A leakage current tester Simpson Model 229 equivalent may be used to make the hot checks Leakage current must not exceed 1 2 mA In case a measurement is outside of the limits specified there is a possibility of shock hazard and the receiver should be repaired and rechecked before it is returned to the customer Figure 1 2 X RADIATION WARNING 1 The potential source of X Radiation in TV s...

Page 5: ...e circuit before the set is returned to customer REPAIR PROCEDURES OF HORIZONTAL OSCILLATOR DISABLE CIRCUIT 1 Connect a DC voltmeter between capacitor C513 on the Main circuit board and chassis ground 2 If approximately 23 5 V is not present at that point when 120 V AC is applied find the cause Check R503 R5505 C5507 C513 and D503 3 Carefully check above specified parts and related circuits and pa...

Page 6: ... obtain and wear a commercially available discharging ESD wrist strap which should be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip solderi...

Page 7: ...tion to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical 4 OPERATION GUIDE 5 SERVICE NOTES PLEASE READ 5 1 SERVICE NOTES 5 1 1 SIMPLIFIED FAULT FINDING DATA Simplified Self Diagnostic System facilitates finding the cau...

Page 8: ...Fig 1 3 Fig 1 4 Fig 1 5 8 ...

Page 9: ...k code occurs the VCR stops and all VCR function buttons except for power become non operational 5 1 2 USAGE SCREEN MODE Function displayed on the TV monitor the total elapsed Power on time in days the total elapsed Cylinder rotation time in hours 1 With power turned on and no cassette press STOP EJECT button on unit and 7 key on remote together The USAGE SCREEN will be displayed on the TV Monitor...

Page 10: ...To release from Usage Screen Mode press any operation button on unit or insert a cassette tape in this mode The unit will return to normal operation mode 5 1 3 SERVICE POSITION 5 1 3 1 Service Position CAUTION HOT CIRCUIT Primary circuit exists on the TV VCR Main C B A Use extreme care to prevent accidental shock when servicing 5 1 3 2 Service Position 1 Fig 2 1 10 ...

Page 11: ...l side of the TV VCR Main C B A to turn this SW on Fig 2 3 2 When disassembling assembling refer to CABINET SECTION in DISASSEMBLY ASSEMBLY PROCEDURES 5 1 4 HOT CIRCUIT Primary circuit exists on the TV VCR Main C B A and the TV Power C B A This circuit is identified as HOT on the C B A and in the Service Manual Use extreme care to prevent accidental shock when servicing 5 1 5 SERVICE MODE 11 ...

Page 12: ... 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 neutral position 5 1 7 CAUTION FOR INSTALLATION OF VCR UNIT CAUTION Opener Lever may be damaged when VCR Unit is installed with Cassette Door Lid and Opener Lever of Cassette Up Ass y set incorrectly I...

Page 13: ...e 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 in ELECTRICAL ADJUSTMENT procedures Fig 5 2 3 Press and hold STOP PLAY and VOL DOWN buttons on the unit together over 5 seconds again or press the POWER button OFF to release EVR Adjustment Mode The ...

Page 14: ...ng or counterclockwise for unloading using needlenose pliers etc Note Do not use this method if Mechanism is jammed or locked Fig 6 1 5 1 9 2 Electrical Method Apply 10 0 V DC Power Supply to the Loading Motor terminals Loading DC to Portion a DC to Portion b Unloading DC to Portion a DC to Portion b CAUTION 14 ...

Page 15: ...320 C for less than 3 seconds Fig 6 2 When loading without a cassette push Portion a on the Holder Unit of Cassette Up Ass y so that the Lever clear the First Tab and Second Tab Fig 6 3 5 1 10 HOW TO REMOVE A JAMMED TAPE CAUTION 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 10 1 Manual Method 15 ...

Page 16: ...t shaft Fig 7 2 2 Remove the tape from the tape path 3 Rewind the tape into the cassette by rotating the Center Clutch Unit counterclockwise 4 Unhook 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 indicated by the arrow to remove the cassette tape from ...

Page 17: ...mation in DISASSEMBLY ASSEMBLY PROCEDURES 5 1 10 2 Electrical Method Electrical method can only be performed when the mechanism is moved by rotating the Loading Gear CAUTION 1 Before applying DC Power Supply be sure to cut the Motor Leads with a cutter etc Otherwise the Loading Motor Drive IC IC2501 may be damaged When reconnecting the Motor Leads solder at below 320 C for less than 3 seconds 2 If...

Page 18: ...he Power Supply Fig 8 4 Rewind the tape into the cassette by turning the Center Clutch Unit counterclockwise 5 Eject the cassette by applying 10 0 V DC Power Supply again 5 1 11 WIRE AND LEAD POSITION DIAGRAM Fig 9 5 1 12 HOW TO SET TRACKING TO THE NEUTRAL POSITION 18 ...

Page 19: ...power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect Combination VCR from being damaged by accidental shorting that may occur during servicing Also when troubleshooting the above type of Power Supply Circuit a variable isolation transformer is required in order to increase the i...

Page 20: ... is melted remove the leadless component with a twisting motion Note A Do not attempt to lift the component off the board until the component is completely disconnected from the board by a twisting action B Be careful not to break the copper foil on the printed circuit board Fig 10 1 3 Installing the leadless component A Presolder the contact points on the circuit board Fig 10 2 B Press the part d...

Page 21: ...board 5 1 19 MODEL NO IDENTIFICATION MARK Use Marks shown in the chart below to distinguish the different models included in this Service Manual 5 2 IC TRANSISTOR AND CHIP PART INFORMATION 21 ...

Page 22: ...6 DISASSEMBLY ASSEMBLY PROCEDURES 6 1 CABINET SECTION 6 1 1 Disassembly Flowchart Perform all disassembly procedures in the order described in the Disassembly Flowchart 22 ...

Page 23: ...shown below When reassembling use the reverse procedure CAUTION Disconnect AC plug before disassembly Fig D1 6 1 2 Disassembly Method 23 ...

Page 24: ... also 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 released unplugged or unsoldered 6 S 1 6 Screws S 1 6 L 1 6 Locking Tabs L 1 P 1 Spring P 1 E Refer to Notes in chart Fig D2 24 ...

Page 25: ...Fig D3 Fig D4 25 ...

Page 26: ...Fig D5 6 1 2 1 Notes in chart 26 ...

Page 27: ...hen 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 3 Installation of VCR Chassis Unit When installing 2 Screws S 6 slide the Holder Unit of the Cassette Up Ass y Refer to METHOD FOR LOADING UNLOADING OF MECHANISM in SERVICE NOTES to tighten screws Then slide it back to the EJECT Position Make sure that Mechanism and...

Page 28: ... and Cassette Up Ass y straight onto the TV VCR Main C B A so that the Sensor LED clears the hole in the Mechanism Chassis and that 4 Connectors P6201 P6202 P3001 and P4001 are aligned and seated securely 5 Installation of Cassette Up Ass y A Confirm 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 Cassett...

Page 29: ...6 2 2 Inner Parts Location Fig J1 1 29 ...

Page 30: ...6 2 3 EJECT Position Confirmation Fig J1 2 30 ...

Page 31: ...6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 31 ...

Page 32: ...is 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 by loosening Screw S 1 Never install the Grounding Plate Unit on the rear side of the Cylinder shaft Incorrect positioning will cause cylinder buzz Fig J2 2 32 ...

Page 33: ...lacing the Cylinder Unit clear the Total elapsed Cylinder rotation time in hours to 0 Refer to USAGE SCREEN MODE in SERVICE NOTES 6 2 5 Capstan Belt Support Angle Intermediate Gear B and Main Cam Gear Fig J3 1 33 ...

Page 34: ... 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 34 ...

Page 35: ...ole with a hole on chassis B Confirm that the hole on Intermediate Gear A is aligned with the hole on Lift Gear Fig J3 3 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 3 Holes on Main Cam Gear A The EJECT mode Hole on Main Cam Gear should be a Through 35 ...

Page 36: ...acement part 5 Installation of Main Cam Gear and Main Cam Push Nut A After installing 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 Cam Gear In case that the Main Cam Gear can be installed securely without tottering it is fine to use the one If a...

Page 37: ...Fig J4 1 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 6 2 7 Reel Gear and Main Rod Fig J5 1 37 ...

Page 38: ... 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 Fig J5 2 6 2 8 Stopper Angle Capstan Rotor Unit Oil Seal Capstan Stator C B A and MR Head Fig J6 1 38 ...

Page 39: ...tion of Silicon Grease CAUTION When installing the IC2501 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 portion to prevent grease depletion Fig J6 2 39 ...

Page 40: ...tan 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 notch line A Align the top of Oil Seal B with notch line B Fig J6 3 6 2 9 T Loading Arm Unit and S Loading Arm Unit Fig J7 1 40 ...

Page 41: ...ssis 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 on the S T Loading Arm Unit are Through Holes with hole on chassis Fig J7 2 6 2 10 T Brake Unit Tension Control Arm Unit T Reel Table S Reel Table and Tension Arm Unit Fig J8 1 41 ...

Page 42: ...6 2 10 1 Reassembly Notes 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 42 ...

Page 43: ...gnment of Intermediate Gear A Lift Gear and 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 hole on Lift Gear C Install the P5 Arm Unit so that it contacts with the tab of chassis Fig J10 2 43 ...

Page 44: ...stall the Opener Piece so that the slot of the Opener Piece is inserted to the Pin of Pinch Arm Unit Fig J10 3 6 2 13 Motor Block Unit Audio Control Head Unit Lift Gear Capstan Holder Unit Tension Arm Boss and Cleaner Arm Unit Fig J11 44 ...

Page 45: ...used as the identification location No of parts in Figures B Steps to be completed prior to the current step C Part to be removed or installed D Fig No showing Procedure or Part Location E Identification of part to be removed unhooked unlocked released unplugged or unsoldered S 1 Screw S 1 L 1 Locking Tab L 1 W 1 Washer W 1 P 1 Spring P 1 C 1 Cut Washer C 1 45 ...

Page 46: ...rm Unit and Holder Unit Fig K1 1 6 3 1 1 Reassembly Notes 1 Alignment 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 hole on the Drive Rack Unit Fig K1 2 46 ...

Page 47: ...ve on Side Plate L and R B Insert Holder Unit boss A and B into the grooves as shown in Fig K1 1 C Finally in the EJECT Position confirm that the protrudence on the Wiper Arm Unit is aligned with the indentation on the Drive Rack Unit Fig K1 3 3 Make sure to hook the spring to the Drive Rack Arm of Mechanism chassis 47 ...

Page 48: ... 7 2 1 CLEANING PROCEDURE FOR THE UPPER CYLINDER UNIT 1 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 use DRY type only and be aware that excessive use can shorten head life 48 ...

Page 49: ... 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 contact with the Video Heads resulting in poor picture playback 2 If the tape tension is too high the tape will soon be damaged Equipment Required Back Tension Meter Made in U S A Purchase Locally VHS Cassette Tape 120 Minute Tape Specification 20 ...

Page 50: ...he Tension Control Arm Unit Fig M2 2 Note 1 Be sure that the three probes of the meter are all in solid contact with the tape but not touching any other parts of the mechanism 2 It is recommended that measurements should be repeated 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 Symp...

Page 51: ...the screwdriver clockwise until the MR Head touches the rotor Then turn it slightly counterclockwise to make the clearance as specified 4 Tighten Screw A 5 Reinstall the TV VCR Main C B A Fig M3 1 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 Confirmation of Signal Level 1 Place the un...

Page 52: ...quipment Required Dual Trace Oscilloscope VHS Alignment Tape VFMS0003H6 Post Adjustment Driver VFK0329 H Position Adjustment Driver VFK0330 7 2 2 3 1 ENVELOPE OUTPUT ADJUSTMENT The height of the P2 and P3 Posts replacement part is preadjust at the factory Purpose To achieve a satisfactory picture and secure precise tracking Symptom of Misadjustment If the envelope is output poorly much noise will ...

Page 53: ... Driver adjust P2 and P3 post height so that the envelope waveform becomes as flat V1 V max is 0 7 or more as possible No envelope drop If the envelope drop appears on the left half of the waveform adjust P2 post height If the envelope drop appears on the right half of the waveform adjust P3 post height CAUTION Overtightening P2 and P3 posts may cause the threads to strip Note It will be possible ...

Page 54: ... 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 cassette tape and check that the tape travels smoothly between the upper and lower guides of the P4 post 2 If necessary adjust Black Screw B clockwise until the tape begins to curl at the lower edge of the P4 post Then adjust the screw countercloc...

Page 55: ...k Screws A and B clockwise to lower the tape or counterclockwise to raise Fig M6 7 2 2 3 4 AUDIO CONTROL HEAD AZIMUTH ADJUSTMENT Purpose To adjust the position and height of the Audio Control Head so that it meets the tape tracks properly 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 ...

Page 56: ...uit 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 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 Loosen the Black Screw D and tighten it slightly Set the H Position A...

Page 57: ...justment 7 3 1 TEST EQUIPMENT 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 Pattern Generator 3 DVM Digital Volt Meter 4 Plastic Tip Driver and Non Metal Driver 5 Isolation Transformer Variable 6 VHS Alignment Tape VFMS0003H6 7 Degaussing Coil 8 Whit...

Page 58: ...ctronic technology using I2C Bus concept The following control functions are adjusted by using On Screen Displays and the remote control instead of adjusting mechanical controls VR 7 3 3 1 EVR ADJUSTMENT ITEM The following Items need to be adjusted for EVR adjustment PG SHIFTER ADJUSTMENT 58 ...

Page 59: ...Fig E2 1 7 3 3 2 1 How to adjust 1 Press CH UP DOWN key on the remote control to select control function to be adjusted Important Note Make a note of the original value of the controls before modifying in case the wrong control is adjusted 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 val...

Page 60: ...he POWER button OFF The adjusted value will be written to Memory IC IC6004 7 3 3 3 HOW TO ENTER EVR PG SHIFTER ADJUSTMENT MODE 1 Enter EVR adjustment mode 2 Insert the VHS Alignment Tape and playback in SP mode The adjustment overlay will appear Fig E2 6 7 3 3 3 1 How to adjust Press CH UP DOWN key on the remote control to adjust the value Fig E2 7 7 3 3 3 2 How to release from EVR PG Shifter Adju...

Page 61: ...ol 7 3 4 PG SHIFTER ADJUSTMENT Purpose Determine the Video Head Switching Point during Playback Symptom of Misadjustment May cause Head Switching Noise and or Vertical Jitter Test Point TP3001 TV VCR Main C B A TP6205 TV VCR Main C B A Adjustment PG SHIFTER EVR Specification 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...

Page 62: ...ment Mode The adjusted value will be written to Memory IC IC6004 Fig E3 7 3 5 SUB CONTRAST ADJUSTMENT Purpose To set the optimum sub contrast 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 Video Input Jack Crosshatch Pattern Signal 1 V p p 75 termin...

Page 63: ...ect 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 adjustment mode and reset to the original value Fig E4 7 3 6 FOCUS SCREEN CUT OFF DRIVE ADJUSTMENT Purpose To set the optimum Focus and Screen Symptom of Misadjustment The picture is out of Focus and there will be an improper screen color mix Test Point TP50 CRT C B A Adjustment...

Page 64: ...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 CONTROL on the Flyback Transformer so that the center of picture is the sharpest 5 Turn the SCREEN CONTROL on the Flyback Transformer fully counterclockwise 6 Press DISPLAY key Service Switch on the remote control for collapse scan Refer to HOW TO ENTER SERVICE MODE...

Page 65: ... 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 that the picture has adequate brightness 12 Select G DRIVE and B DRIVE in EVR adjustment mode and adjust so that the entire screen is white Note Before pressing DISPLAY key on the remote control for collapse scan select the desired control function and move ...

Page 66: ...ack 2 Select SUB BRIGHT in EVR adjustment mode Then after making a note of the original value adjust to the minimum C0 3 Connect the Oscilloscope to Pin 5 of P6001 on the TV VCR Main C B A or TP49 on the CRT C B A 4 Select SUB TINT in EVR adjustment mode and adjust so that level A and B should be equal in amplitude Fig E6 1 5 Select SUB COLOR in EVR adjustment mode and adjust so that the level C i...

Page 67: ...dard vertical and horizontal picture size Symptom of Misadjustment The picture size is on the vertical and horizontal axis is abnormal Test Point Adjustment V SIZE EVR H CENTER EVR V POSITION EVR Specification Refer to descriptions below INPUT Video Input Jack Monoscope Pattern Signal Mode STOP Equipment NTSC Video Pattern Generator 67 ...

Page 68: ...st so that the top 4th line is just in view 4 Confirm that the bottom 3rd line is in view and that the bottom 4th line is out of view Fig E7 7 3 9 WHITE BALANCE ADJUSTMENT Purpose To set the standard white level for each color temperature Symptom of Misadjustment White becomes bluish or reddish Test Point TP50 CRT C B A Adjustment FOCUS CONTROL Flyback Transformer SCREEN CONTROL Flyback Transforme...

Page 69: ...put 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 CONTROL on the Flyback Transformer so that the center of picture is the sharpest 5 Press DISPLAY key Service Switch on the remote control for collapse scan Refer to How to Enter Service Mode 6 Turn the SCREEN CONTROL on Fl...

Page 70: ...mote 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 screen is white 13 Select SUB BRIGHT in EVR adjustment mode Then after making a note of the original value adjust to the minimum C0 and while turning SUB BRIGHT value from minimum C0 up to maximum 3F confirm that the screen is tracking the White Pattern properly Repea...

Page 71: ...ion Refer to descriptions below INPUT Mode STOP 1 Do not input any signal to the unit 2 Set INPUT SELECT item to LINE in SET UP TV menu to display black screen 3 Select SUB BRIGHT in EVR adjustment mode and adjust so that the black screen starts to turn grey lighting only 7 4 TEST POINTS AND CONTROL LOCATION 71 ...

Page 72: ...UIT BOARD LAYOUT NOTES 8 2 MAIN SCHEMATIC DIAGRAM 8 3 CAPSTAN STATOR SCHEMATIC DIAGRAM 8 4 HEAD AMP SCHEMATIC DIAGRAM Model PVQ 2511 Model PV C2541 8 5 CRT SCHEMATIC DIAGRAM 8 6 INTERCONNECTION SCHEMATIC DIAGRAM 8 7 SIGNAL WAVEFORMS 8 8 VOLTAGE CHART 72 ...

Page 73: ...el PV C2541 9 4 CRT C B A 9 5 TV POWER C B A 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 5 SERVO BLOCK DIAGRAM 10 6 TV YC PROCESS BLOCK DIAGRAM 11 EXPLODED VIEWS 11 1 MECHANISM TOP SECTION 73 ...

Page 74: ...11 2 MECHANISM BOTTOM SECTION 74 ...

Page 75: ...11 3 CASSETTE UP COMPARTMENT SECTION 75 ...

Page 76: ...11 4 CHASSIS FRAME SECTION 1 76 ...

Page 77: ...11 5 CHASSIS FRAME SECTION 2 77 ...

Page 78: ...11 6 PACKING PARTS AND ACCESSORIES SECTION 78 ...

Page 79: ...12 REPLACEMENT PARTS LISTS BEFORE REPLACING PARTS READ THE FOLLOWING 12 1 REPLACEMENT NOTES 12 1 1 General Notes 1 Use only original replacement parts 79 ...

Page 80: ...f replacement parts according to the parts list 5 Parts different in shape or size may be used However only interchangeable parts will be supplied as service replacement parts 6 All of parts are supplied from MKA 7 Item numbers with capital letter E Example E10 E20 in the Ref No column are shown in the exploded views 8 Parts whose Ref Nos are the same are interchangeable as replacement parts Any o...

Page 81: ...nt W FLMPRF Wirewound Flameproof C B A Circuit Board Assembly P C B Printed Circuit 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 When replacing 0 resistor a wire can be substituted for it 5 When installing the IC2501 AN3846SC or Capstan Stator C...

Page 82: ...ata with remote control Refer to HOW TO INITIALIZE MEMORY IC in SERVICE NOTES 8 The Capstan Stator C B A Ref No E30 as a service part is supplied with the Screw installed on it Please note that there is no functional difference between the units with or without the Screw 12 2 MECHANICAL REPLACEMENT PARTS LIST MECHANICAL REPLACEMENT PARTS 82 ...

Page 83: ...0596 AUDIO CONTROL ERASE HEAD UNIT 1 14 LSDG0112 LIFT GEAR 1 16 VXDS0213 LOADING POST BASE S UNIT 1 17 VXDS0214 LOADING POST BASE T UNIT 1 18 VXLS1094 PINCH ARM UNIT 1 19 LSDG0110 INTERMEDIATE GEAR A 1 20 VXLS1101 P5 ARM UNIT 1 21 LSML0131 DRIVE RACK ARM 1 22 VXLS1103 TENSION CONTROL ARM UNIT 1 23 LSMX0129 OIL SEAL 1 27 VXLS1100 T BRAKE UNIT 1 29 VXLS1102 TENSION ARM UNIT 1 32 VXLS1104 CLEANER ARM...

Page 84: ... CABINET ASS Y B 4 72 LKK688030A CASSETTE DOOR LID A 4 72 LSKF0296 CASSETTE DOOR LID B 4 73 LKV60801B REAR COVER A 4 73 LXQKV01250 REAR COVER UNIT B 4 84 LBX61070B OPERATION BUTTON 4 90 TBM173052 BADGE ABS RESIN 4 91 LXQUS01251K TOP SHIELD PLATE ASS Y 5 92 LXQAS01J13 SPEAKER UNIT 4 96 TMM7464 1 CLAMPER 5 100 LSKF0360 BATTERY COVER A 6 100 VKFS2235 BATTERY COVER B 5 118 LPE64005A BAG POLYETHYLENE 6...

Page 85: ...EW STEEL 4 491 XYN2 J7 SCREW W WASHER STEEL 2 502 XTW3 8J SCREW STEEL 4 711 PNA4611M00HC INFRARED RECEIVER UNIT 5 712 VMTS0035 CUSHION RUBBER 5 719 VMFS0136 SHEET NYLON RAYON 5 728 LUS63008A HEAT SINK 5 729 LSSC0348 SHIELD PLATE STEEL 5 731 IC2505 EZMPS300F12 MR HEAD 2 732 P2502 LSJS0097 CONNECOR 12P 2 733 LSMA0384 BACK PLATE STEEL 2 741 LSJA0362 AC CORD W PLUG 125V 5 741 LSJA0343 AC CORD W PLUG 1...

Page 86: ... ELECTRICAL REPLACEMENT PARTS LIST PRINTED CIRCUIT BOARD ASSEMBLY Ref No Part No Part Name Description Remarks E10 VEPS3102A TV VCR MAIN C B A A E S D RTL E10 VEPS3102B TV VCR MAIN C B A B E S D RTL E30 VEMS0342 CAPSTAN STATOR C B A NR E40 VEPS5043A HEAD AMP C B A A RTL E40 VEPS5042A HEAD AMP C B A B RTL E50 LRP63005F CRT C B A RTL E60 LRP63017A TV POWER C B A RTL 12 3 1 TV VCR MAIN C B A INTEGRAT...

Page 87: ... Ref No Part No Part Name Description Remarks Q431 2SA733 TQ TRANSISTOR SI PNP Q431 2SA1175 TRANSISTOR SI PNP Q431 2SA1175 TH TRANSISTOR SI PNP Q432 2SC3311A R TRANSISTOR SI NPN Q433 2SB1322A R S TRANSISTOR SI PNP Q434 2SC3311A R TRANSISTOR SI NPN Q501 2SC2482KT6 TRANSISTOR SI NPN Q502 2SC945A TQ TRANSISTOR SI NPN Q502 2SC2785 TH TRANSISTOR SI NPN Q502 2SC2785 TJ TRANSISTOR SI NPN Q541 2SA733 TQ T...

Page 88: ...I PNP CHIP Q3002 2SD601A TRANSISTOR SI NPN CHIP Q3002 2SC2412K146R TRANSISTOR SI NPN CHIP Q3301 2SD601A TRANSISTOR SI NPN CHIP Q3301 2SC2412K146R TRANSISTOR SI NPN CHIP Q4001 2SB709A TRANSISTOR SI PNP CHIP Q4001 2SA1037K146R TRANSISTOR SI PNP CHIP Q4002 2SD601 RS TRANSISTOR SI NPN CHIP Q4003 2SD601 RS TRANSISTOR SI NPN CHIP Q4101 2SD601A TRANSISTOR SI NPN CHIP Q4101 2SC2412K146R TRANSISTOR SI NPN ...

Page 89: ...IODE SI D505 1SS133T DIODE SI D506 MA165 DIODE SI D506 1SS119 DIODE SI D506 1SS133T DIODE SI D541 MA165 DIODE SI D541 1SS119 DIODE SI D541 1SS133T DIODE SI D542 MA4180 M DIODE ZENER 18V D543 MA165 DIODE SI D543 1SS119 DIODE SI D543 1SS133T DIODE SI D544 ERB43 04V DIODE SI D544 ES1V DIODE SI D553 ERB43 04V DIODE SI D553 ES1V DIODE SI D554 4148 TA DIODE SI D554 MA167 DIODE SI D558 ERB43 04V DIODE SI...

Page 90: ...DIODE SI D1013 1SS133T DIODE SI D1015 MA2180LA DIODE ZENER 18V D1015 1N4746A T DIODE ZENER 18V D1015 1N4746ARL DIODE ZENER 18V D1016 MA165 DIODE SI D1016 1SS119 DIODE SI D1016 1SS133T DIODE SI D1051 MA4110N H DIODE ZENER 11V D4171 MA165 DIODE SI D4171 1SS119 DIODE SI D4171 1SS133T DIODE SI D4591 RD9 1EW DIODE ZENER 9 1V D5501 MA4062 L DIODE ZENER 6 2V D5602 MA165 DIODE SI D5602 1SS119 DIODE SI D56...

Page 91: ...Ref No Part No Part Name Description Remarks D6302 SLP413C81HAB LIGHT EMITTING DIODE ORANGE D6303 SLP313C81HAB LIGHT EMITTING DIODE GREEN RESISTORS 91 ...

Page 92: ...52 CARBON 1 4W 1 5K R471 ERDS2TJ561 CARBON 1 4W 560 R472 ERDS2TJ471 CARBON 1 4W 470 R473 ERDS2TJ101 CARBON 1 4W 100 R474 ERDS2TJ222 CARBON 1 4W 2 2K R475 ERDS2TJ222 CARBON 1 4W 2 2K R476 ERDS2TJ561 CARBON 1 4W 560 R477 ERDS2TJ102 CARBON 1 4W 1K R478 ERDS2TJ332 CARBON 1 4W 3 3K R480 ERDS2TJ391 CARBON 1 4W 390 R481 ERDS2TJ222 CARBON 1 4W 2 2K R482 ERDS2TJ150 CARBON 1 4W 15 R501 ERDS2TJ681 CARBON 1 4...

Page 93: ...62 CARBON 1 4W 5 6K R585 ERDS2TJ473 CARBON 1 4W 47K R586 ERDS2TJ393 CARBON 1 4W 39K R587 ERG12SJ560P METAL OXIDE 1 2W 56 R591 ERF5ZJ121 W FLMPRF 5W 120 R810 ERDS2TJ103 CARBON 1 4W 10K R815 ERDS2TJ223 CARBON 1 4W 22K R818 VRESC2TK825T RESISTOR SOLID 1 2W 8 2M R865 ERDS2TJ222 CARBON 1 4W 2 2K R1003 VRESE2TJ334T CARBON 1 2W 330K R1004 ERG2SJ333H METAL OXIDE 2W 33K R1005 ERG1SJ560P METAL OXIDE 1W 56 R...

Page 94: ...HIP 1 10W 10K R3036 ERJ6GEYG102V MGF CHIP 1 10W 1K R3037 ERJ6GEYG102V MGF CHIP 1 10W 1K R3038 ERJ6GEYJ222V MGF CHIP 1 10W 2 2K R3043 ERJ6GEYG392V MGF CHIP 1 10W 3 9K A R3044 ERJ6GEYG682V MGF CHIP 1 10W 6 8K A R3045 ERJ6GEYG222V MGF CHIP 1 10W 2 2K A R3046 ERJ6GEYG682V MGF CHIP 1 10W 6 8K A R3077 ERJ6GEYJ101V MGF CHIP 1 10W 100 R3083 ERJ6GEY0R00V MGF CHIP 1 10W 0 R3084 ERJ6GEYJ102V MGF CHIP 1 10W 1...

Page 95: ...J681 CARBON 1 4W 680 R4701 ERJ6GEYJ561V MGF CHIP 1 10W 560 R5301 ERJ6GEYJ221V MGF CHIP 1 10W 220 R5304 ERJ6GEYJ473V MGF CHIP 1 10W 47K R5305 ERJ6GEYJ224V MGF CHIP 1 10W 220K R5306 ERJ6GEYJ223V MGF CHIP 1 10W 22K R5308 ERJ6GEYJ563V MGF CHIP 1 10W 56K R5309 ERJ6GEYJ274V MGF CHIP 1 10W 270K R5311 ERJ6GEYJ331V MGF CHIP 1 10W 330 R5312 ERJ6GEYJ331V MGF CHIP 1 10W 330 R5313 ERJ6GEYJ331V MGF CHIP 1 10W 3...

Page 96: ...IP 1 10W 1K R6019 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6020 ERJ6GEYJ101V MGF CHIP 1 10W 100 R6021 ERJ6GEYJ101V MGF CHIP 1 10W 100 R6022 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6023 ERJ6GEYJ272V MGF CHIP 1 10W 2 7K R6024 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6026 ERJ6GEYJ221V MGF CHIP 1 10W 220 R6027 ERJ6GEYJ101V MGF CHIP 1 10W 100 R6028 ERJ6GEY0R00V MGF CHIP 1 10W 0 R6029 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6031 ERJ6GEY...

Page 97: ...10W 10K R6116 ERDS2TJ101 CARBON 1 4W 100 R6117 ERDS2T0T CARBON 1 4W 0 R6118 ERJ6GEYJ104V MGF CHIP 1 10W 100K R6119 ERJ6GEYJ223V MGF CHIP 1 10W 22K R6120 ERJ6GEYJ104V MGF CHIP 1 10W 100K R6121 ERJ6GEYJ473V MGF CHIP 1 10W 47K R6122 ERJ6GEYJ181V MGF CHIP 1 10W 180 R6123 ERJ6GEYJ473V MGF CHIP 1 10W 47K R6124 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6125 ERJ6GEYJ104V MGF CHIP 1 10W 100K R6126 ERJ6GEYJ221V MGF ...

Page 98: ...8 ERJ6GEYJ152V MGF CHIP 1 10W 1 5K R6209 ERJ6GEYJ222V MGF CHIP 1 10W 2 2K R6210 ERJ6GEYJ333V MGF CHIP 1 10W 33K R6211 ERJ6GEYJ243V MGF CHIP 1 10W 24K R6301 ERJ6GEYJ182V MGF CHIP 1 10W 1 8K R6302 ERJ6GEYJ392V MGF CHIP 1 10W 3 9K R6303 ERJ6GEYJ182V MGF CHIP 1 10W 1 8K R6304 ERJ6GEYJ392V MGF CHIP 1 10W 3 9K R6305 ERJ6GEYJ182V MGF CHIP 1 10W 1 8K R6306 ERJ6GEYJ392V MGF CHIP 1 10W 3 9K R6307 ERJ6GEYJ18...

Page 99: ...C556 ECWF2474JBP POLYESTER 250V 0 47UF C556 ECWF2474JSB POLYESTER 250V 0 47UF C558 ECA1VM101B ELECTROLYTIC 35V 100UF C560 ECA2EM100E ELECTROLYTIC 250V 10UF C561 ECA2CM2R2B ELECTROLYTIC 160V 2 2UF C563 ECEA180V33WE ELECTROLYTIC 180V 33UF C571 ECA1HM3R3B ELECTROLYTIC 50V 3 3UF C573 ECKR2H122KB5 CERAMIC 50V 1200PF C581 ECWH12H682JS POLYESTER 120V 6800PF C801 VCKSRNG472ZX CERAMIC 250V 4700PF C802 VCKS...

Page 100: ...AMIC 250V 4700PF C812 VCKST5D472MY CERAMIC 250V 4700PF C812 VCKSU4D472MY CERAMIC 250V 4700PF C812 VCKSU5D472MY CERAMIC 250V 4700PF C817 ECKATS152ME CERAMIC 250V 1500PF C817 ECKETS152ME CERAMIC 250V 1500PF C817 VCKST4D152MX CERAMIC 250V 1500PF C817 VCKST5D152MX CERAMIC 250V 1500PF C817 VCKSU4D152MX CERAMIC 250V 1500PF C817 VCKSU5D152MX CERAMIC 250V 1500PF C1001 ECKATS103MF CERAMIC 250V 0 01UF C1001...

Page 101: ...25V 220PF C1029 ECUV1H101JCN C CHIP 50V 100PF C1030 VCYSBRE183KX CERAMIC 25V 0 018UF C1032 ECEA0JKA221 ELECTROLYTIC 6 3V 220UF C1051 ECEA1HKAR47 ELECTROLYTIC 50V 0 47UF C1052 ECEA1CKA100 ELECTROLYTIC 16V 10UF C1058 ECEA0JEE101 ELECTROLYTIC 6 3V 100UF C1059 ECEA1CKA470 ELECTROLYTIC 16V 47UF C1083 ECKATS221MB CERAMIC 125V 220PF C1083 ECKETS221MB CERAMIC 125V 220PF C1083 VCKSEJD221KW CERAMIC 125V 220...

Page 102: ...102 ...

Page 103: ...KA470 ELECTROLYTIC 6 3V 47UF C3016 ECEA1CKS100 ELECTROLYTIC 16V 10UF C3019 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2UF C3020 ECEA1CKA220 ELECTROLYTIC 16V 22UF C3021 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2UF C3022 ECUV1C224ZFN C CHIP 16V 0 22UF C3023 ECUV1H680JCN C CHIP 50V 68PF C3024 ECUV1E104ZFN C CHIP 25V 0 1UF C3025 ECUV1E104KBN C CHIP 25V 0 1UF C3026 ECUV1H822KBN C CHIP 50V 8200PF C3027 ECUV1H103ZFN C CHIP 50...

Page 104: ...EA0JKA470 ELECTROLYTIC 6 3V 47UF C4014 ECEA1HKA010 ELECTROLYTIC 50V 1UF C4018 ECUV1H103KBN C CHIP 50V 0 01UF C4020 ECEA1HKS010 ELECTROLYTIC 50V 1UF C4051 ECUV1E333KBN C CHIP 25V 0 033UF C4102 ECQB1562JF3 POLYESTER 100V 5600PF C4103 ECUV1H103KBN C CHIP 50V 0 01UF C4104 ECUV1H103KBN C CHIP 50V 0 01UF C4105 ECEA1CKA220 ELECTROLYTIC 16V 22UF C4171 ECEA1HKA010 ELECTROLYTIC 50V 1UF C4502 ECEA1CKA100 ELE...

Page 105: ...IP 50V 0 1UF C6013 ECUV1H101JCN C CHIP 50V 100PF C6017 ECUV1H101JCN C CHIP 50V 100PF C6018 ECUV1H101JCN C CHIP 50V 100PF C6020 ECUV1H104ZFN C CHIP 50V 0 1UF C6021 ECEA0JKA101 ELECTROLYTIC 6 3V 100UF C6023 ECUV1H103KBN C CHIP 50V 0 01UF C6025 ECEA0JKA470 ELECTROLYTIC 6 3V 47UF C6029 ECUV1H104ZFN C CHIP 50V 0 1UF C6040 ECUV1H102KBN C CHIP 50V 1000PF C6041 ECUV1H102KBN C CHIP 50V 1000PF C6044 ECUV1E1...

Page 106: ...Q0287 LINE FILTER 0 5A 18MH L1001 VLQS0166 LINE FILTER 0 5A 18MH L1001 VLQS0167 LINE FILTER 0 5A 18MH L1001 VLQS0170 LINE FILTER 0 6A 18MH L1002 VLQSAB7D220K COIL 22UH L1003 VLQSAB7D100K COIL 10UH L1006 VLPS0083 FILTER L3001 VLQSH02R390K COIL 39UH L3002 ELESN101KA COIL 100UH L3005 VLQSH02R330K COIL 33UH L3010 ELESN470KA COIL 47UH L3231 ELESN221KA COIL 220UH L4001 VLQSU06R153K COIL 15MH L4002 ELESN...

Page 107: ...H LEAF SWITCH SAFETY TAB SW6002 LSSS0008 MODE SWITCH SW6301 EVQ21405R PUSH SWITCH SW6302 EVQ21405R PUSH 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 SW6309 EVQ21405R PUSH SWITCH SW6310 EVQ21405R PUSH SWITCH SW6311 EVQ21405R PUSH SWITCH FUSE PROTECTOR Ref No Part N...

Page 108: ...CK SOCKET MISCELLANEOUS Ref No Part No Part Name Description Remarks 483 XYN3 F10S SCREW W WASHER STEEL 711 PNA4611M00HC INFRARED RECEIVER UNIT 712 VMTS0035 CUSHION RUBBER 719 VMFS0136 SHEET NYLON RAYON 728 LUS63008A HEAT SINK 729 LSSC0348 SHIELD PLATE STEEL 742 TJC6319 FUSE HOLDER 743 ENG36706G TUNER UHF VHF NR A 743 ENG36709G TUNER UHF VHF NR B 751 LML69001A ANODE LEAD CLAMPER 760 TUC77628 HEAT ...

Page 109: ...0 ECUV1C225ZFN C CHIP 16V 2 2UF C2521 ECUV1C225ZFN C CHIP 16V 2 2UF C2522 ECUV1C225ZFN C CHIP 16V 2 2UF MISCELLANEOUS Ref No Part No Part Name Description Remarks 491 XYN2 J7 SCREW W WASHER STEEL 731 IC2505 EZMPS300F12 MR HEAD 732 P2502 LSJS0097 CONNECOR 12P 733 LSMA0384 BACK PLATE STEEL 12 3 3 HEAD AMP C B A Model A INTEGRATED CIRCUITS Ref No Part No Part Name Description Remarks IC3501 AN3371SB ...

Page 110: ...SN101KA COIL 100UH PIN HEADERS Ref No Part No Part Name Description Remarks P2601 LSJS0096 CONNECTOR 12P P3501 LSJS0093 CONNECTOR 10P P4091 LSJWM6N085AA CONNECTOR CABLE W OUT PLUG 48V 12 3 4 HEAD AMP C B A Model B INTEGRATED CIRCUITS Ref No Part No Part Name Description Remarks IC3501 AN3361SB IC LINEAR RESISTORS Ref No Part No Part Name Description Remarks R3501 ERJ6GEYJ473V MGF CHIP 1 10W 47K R3...

Page 111: ...9 ECUV1H103ZFN C CHIP 50V 0 01UF C3532 ECUV1E104ZFN C CHIP 25V 0 1UF C3533 ECUV1H103ZFN C CHIP 50V 0 01UF COILS Ref No Part No Part Name Description Remarks L3501 ELESN101KA COIL 100UH PIN HEADERS Ref No Part No Part Name Description Remarks P2601 LSJS0096 CONNECTOR 12P P3501 VJSS0883 CONNECTOR 12P P4091 LSJWM6N085AA CONNECTOR CABLE W OUT PLUG 48V 12 3 5 CRT C B A TRANSISTORS Ref No Part No Part N...

Page 112: ...ARBON 1 4W 100 R364 ERDS2TJ101 CARBON 1 4W 100 R365 ERDS2TJ101 CARBON 1 4W 100 CAPACITORS Ref No Part No Part Name Description Remarks C351 VCYSARH561KB CERAMIC 50V 560PF C352 VCYSARH561KB CERAMIC 50V 560PF C353 VCYSARH681KB CERAMIC 50V 680PF C354 VCKSKZM102KB CERAMIC 2KV 1000PF PIN HEADERS Ref No Part No Part Name Description Remarks P351 VJWS4MS410BB CONNECTOR CABLE W OUT PLUG 12V P352 VJWS4NS36...

Page 113: ...ERDS2TJ124 CARBON 1 4W 120K CAPACITORS Ref No Part No Part Name Description Remarks C805 ECOS2DP681BB ELECTROLYTIC 220V 680UF C806 ECA2EM330E ELECTROLYTIC 250V 33UF COILS Ref No Part No Part Name Description Remarks L802 VLQSAE8D220K COIL 22UH MISCELLANEOUS Ref No Part No Part Name Description Remarks 244 TUX77809 CLAMPER 483 XYN3 F10S SCREW W WASHER STEEL 484 XTW3 10J TAPPING SCREW STEEL 502 XTW3...

Page 114: ...3504 L3502 L3503 TP3501 IC3501 P3503 P3501 P2601 VJBS5042 P3502 L3501 1 18 19 36 1 11 12 2 1 8 1 6 P4091 1 6 HEAD AMP CIRCUIT COMPARISON CHART OF MODELS MARKS PVQ 2511 PV C2541 A B MODEL MARK NOTE CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER T...

Page 115: ...J351 C352 C353 C356 C351 C360 C354 C C B E C B E B E KG IC E E G2 KR KR KG G1 H H H H H V DANGER KB KB P354 P356 GND P351 P352 P353 P355 Q352 Q353 Q351 TP47 TP50 LRP63005 NOTE CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMA...

Page 116: ...7 ZP801 ZP802 ZP803 NOTE CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION IMPORTANT SAFETY NOTICE COMPONENTS IDENTIFIED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY WHEN REPLACING ANY OF THESE COM...

Page 117: ...atic diagram to find the connection between associated connectors Example The connections between C B A s are shown below POWER SUPPLY C B A MAIN C B A The Number of pins of the Connector Connector No on Main C B A P1503 P3004 10 Pins Ref No of the connection parts such as lead cable flexible cable which is supplied as a replacement parts 244 3 Parts enclosed in dashed lines marked Z are not used ...

Page 118: ...RONIZATION CONTROL LOGIC BACK ELECTROMOTIVE FORCE DETECT CHARGE DISCHARGE CTL CYLINDER MOTOR MAIN COIL DRIVE IC2601 AN3808K R6117 VEKS5708 D6001 100 0 R6116 10K R6115 2700 R6114 1 50V C6406 C6036 IC6002 RPI 303 1 2 3 4 IC6003 RPI 303 1 2 3 4 1K R6057 SAFETY TAB BROKEN H CAP ERROR ROTARY SW GND ENVELOPE DET GND SAP SIGNAL L CTL PULSE VDD TV SIGNAL L SERIAL DATA 0 IR DATA STEREO H MONO L POWER DOWN ...

Page 119: ... 5 6 VLTS0367 T4101 TP3002 D4702 D4701 47U L3010 NC BT AGC 57 ATENVELOPE DETECTER 26 66 45 VCC 3 58MHz 41 33 PB 13 CLAMP 38 47 24 21 ACC DET I2C CONTROL 71 YNR SLP ON REC AFC 68 AGC DET 77 AGC 53 REC 73 32 PB AMP 16 17 40 29 V REG 11 49 22 80 PB 60 APC LPF PB 64 55 46 3 23 51 REC OFF 7 39 79 62 75 REC ON REC RF AGC DET GND 19 AGC DET 15 REC PB CHROMINANCE SIGNAL PROCESS LINE AMP REC GCA DET 6 35 3...

Page 120: ...EC REC AMP SP LP SLP 63 62 61 REC AMP AGC DET PB REC SLP ON SP LP ON REC ON LP SLP ON LINE AMP fH TRAP GND 70 69 68 67 66 65 64 VCC 75 74 73 72 71 TUNER 1 2 VCC LINE MUTE PB APC 4 PHASE SELECT 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 SIGNAL PB VIDEO...

Page 121: ...TP5501 TP5401 R5323 0 01 C5904 TP5308 TP5307 TP5309 270K R5309 MA165 MA165 MA165 35 36 BLACK LEVEL DETECTOR LINE 44 R 40 28 G 11 VCC 6 1V 1 TUNER PEDESTAL CLAMP 6 23 4 BLANKING 32 27 PB LUMINANCE SIGNAL PROCESS 2 46 22 APL DET 16 24 13 45 10 AFC2 9 21 31 48 19 41 34 42 V PULSE PROCESS 9 6V 33 3 GND 15 B COLOR KILLER DET 17 37 VCO 18 CHROMINANCE SIGNAL PROCESS 38 14 5 30 GND 29 H PULSE PROCESS 20 3...

Page 122: ...TROL BRIGHTNESS CONTROL APL DETECTOR SERVICE SW COLOR DEMODULATOR BLACK LEVEL DETECTOR ACC 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 DETECTOR H COUNT DOWN H VCO H OUT BLANKING SPOT KILLER DETECTOR AFC 1 SW RGB DRIVE RGB CUT OFF REC VIDEO SIGNAL PB V...

Page 123: ...51N TAKT D1011 1 50V C1021 2SD1819ARS Q1003 C1018 0 1 6800 R1020 220 R1015 5600 R1016 3900 R1019 18K R1018 220 R1014 10K R1017 2SB1218ARS Q1005 MA858 D1012 220 R1022 2SB709A RS Q1004 MA165 D1013 R1023 TP1009 POWER DOWN L TO MAIN I POWER DOWN OFF ERROR VOLTAGE DET ERROR VOLTAGE DET 1 Z 5 1V 13 14 0 018 C1030 3300P 250V or 125V C1002 100 R1007 2200P 250V or 125V C1003 2200 R1006 0 22 C1007 2SD1458 Q...

Page 124: ...531 R406 R513 R514 270 R517 D544 ERB43 04V TP553 TP554 TP558 TP559 TP501 TP506 TP502 TP551 TP552 TP556 VLPS0113 L552 ETE16Z37AY T502 ETH19Y70AY T501 T551 KFT4AB284F IC501 TLP621GR 0N3131 R 0N3131 R KT 1 2 3 4 R584 5 6K R547 15K 0 1 C413 5 6 R427 2SD2539LBK U551 Q551 4 2 1 6 1 4 8 3 11 7 10 9 6 2 5 GND 27V COLLECTER B ANODE TO CRT SOCKET SCREEN TO CRT C B A P353 SCREEN ANODE FOCUS ABL VIDEO B HEATE...

Page 125: ... DRIVE UPPER DRIVE CONTROL GND LOWER DRIVE CONTROL DIRECTION DETECT 12 11 10 9 8 7 6 5 3 1 2 4 2 A VJBS2007 G B 3 H C 4 D 5 E 1 A F HALL TRANSISTOR HALL TRANSISTOR HALL TRANSISTOR CAPSTAN SERVO 1 14 12 13 11 10 15 16 17 18 19 20 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 T...

Page 126: ...VIDEO P3501 10 7 1 9 SW 12V GND 6 7 8 P3502 TO CYLINDER UNIT PATTERN ONLY UNSW 14V GND HE VH HE MAIN COIL 1 1 MAIN COIL 2 2 MAIN COIL 3 3 5 4 VIDEO SP L R HEAD 3 2 1 5 6 4 VIDEO SP L HEAD VIDEO SP R HEAD 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...

Page 127: ...C ON AMP REC ON AMP AMP PB 5V CTL PB REC Z 6 5 8 PB L HEAD SW 2 ENV DET DELAY REC 12V REC PB VIDEO P3501 10 7 1 HEAD AMP SW 9 CUE REV SS L SW 12V GND 11 12 6 7 8 P3502 TO CYLINDER UNIT PATTERN ONLY UNSW 14V GND HE VH HE MAIN COIL 1 1 MAIN COIL 2 2 MAIN COIL 3 3 5 4 VIDEO SP L R HEAD VIDEO LP SLP R HEAD VIDEO LP SLP L HEAD VIDEO LP SLP L R HEAD 1 6 5 4 3 5 1 2 6 4 3 VIDEO SP L HEAD 2 VIDEO SP R HEA...

Page 128: ...8 E 4 E HEATER KB 5 1 HEATER 6 4 1 KB 3 KB G2 G2 1 HEATER GND G2 8 3 VIDEO SIGNAL 1 2 3 4 5 GND SW 12V GREEN BLUE RED 1 GND 3 4 1 2 GND HEATER 200V P352 P356 P351 IC SCREEN 1 P357 P354 P355 P353 BLUE AMP AMP GREEN AMP RED WF60 TP47 WF61 WF62 TP49 TP50 FOCUS ANODE 3 A E G 1 A B C I 4 5 2 F H D CRT SOCKET LRP63005 Z Z Z 2W 2W 2W UNLESS OTHERWISE SPECIFIED WATTAGE OF RESISTORS IS 1 4W Z 2KV Z TO TV V...

Page 129: ... IN 8 Pins 6 Pins AC CORD 12Pins DEGAUSSING COIL AUDIO CONTROL HEAD P C B P4092 LOADING MOTOR P4001 FULL ERASE HEAD UNIT PIN 2 Pins P4591 SPEAKER CRT C B A P5301 P351 5 Pins P552 P352 4 Pins P558 1 Pin P351 P352 P356 PIN PIN P6001 5 Pins FOR ADJUSTMENT AT FACTORY ONLY EARPHONE JACK 25 Pins B A 3 Pins 12 Pins B A 10 Pins 2 Pins P2503 PIN 2 Pins P4091 P4091 6 Pins P6202 P2601 12 Pins Z INTERCONNECTI...

Page 130: ...0 1 5 41 0 2 42 0 43 0 1 44 5 3 45 0 4 46 2 7 47 5 2 48 0 3 Q431 E 2 1 C 0 B 1 5 Q432 E 0 C 24 6 B 0 1 Q433 E 2 5 C 0 B 1 9 Q434 E 2 5 C 0 B 1 9 Q501 E 0 C 86 0 B 0 Q502 E 0 7 C 11 9 B 0 2 Q541 E 18 2 C 3 4 B 18 1 Q542 E 0 C 18 2 B 0 1 Q551 E 0 1 C B 0 Q571 E 1 8 C 10 8 B 1 2 Q581 E 121 6 C 0 B 121 1 Q801 E 0 C 0 1 B 0 8 Q1001 E 0 C 130 7 B 0 3 Q1002 E 0 C 0 3 B 0 6 Q1003 E 0 6 C 4 2 B 0 Q1004 E 4...

Page 131: ... 0 74 0 0 75 0 0 76 0 0 77 0 0 78 2 6 2 6 79 2 6 0 1 80 0 0 81 2 6 0 82 5 2 5 2 83 3 0 84 2 2 2 6 85 2 6 2 6 86 0 4 0 3 87 5 2 5 2 88 2 5 2 5 89 0 0 90 5 2 5 2 91 5 2 5 2 92 2 9 3 0 93 0 5 0 4 94 0 4 0 3 95 4 1 4 1 96 5 2 5 3 97 5 2 5 3 98 4 6 5 3 99 4 7 5 3 100 5 2 5 2 101 102 5 1 5 2 103 0 7 5 2 104 5 2 5 1 105 5 2 5 1 106 0 2 0 107 5 1 4 9 108 0 2 0 109 0 2 0 110 0 2 0 2 111 0 2 0 112 0 3 0 8 I...

Page 132: ...NING OF SCHEMATIC SECTION IC3501 1 0 2 0 3 0 5 4 0 5 0 6 0 7 0 5 8 0 9 0 10 0 5 11 0 12 0 13 0 1 14 0 1 15 16 2 4 17 2 4 18 0 19 20 21 22 23 24 25 0 2 26 5 1 27 0 28 0 29 0 30 2 5 31 5 2 32 4 9 33 0 2 34 0 1 35 11 9 36 0 1 TP3501 0 HEAD AMP C B A A IC3501 1 0 2 0 3 0 5 4 0 5 0 6 0 7 0 5 8 0 9 0 10 0 11 0 12 0 13 14 2 4 15 2 4 16 2 4 17 2 4 18 0 19 20 21 22 0 23 0 24 0 25 0 2 26 0 27 0 28 0 29 0 30...

Page 133: ...WF14 V1 5 00Vp p PIN 13 OF IC3001 2V 2ms 1 CUE REV SLOW STILL WF15 240mVp 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 WF17 420mVp p V1 PIN 41 OF IC3001 0 2V 5ms 2 PB SP WF17 1 000Vp p V1 TP3001 0 5V 20µs1 REC PB WF18 280mVp p V1 CH1 TP3002 0 1V 5ms 2 REC CH2 TP6205 5V CH1 WF19 CH2 WF32 310mVp p V1 CH1 TP3002 0 2V 5ms 2 PB SP CH2 TP6205 5V CH1 WF19 CH2 WF32...

Page 134: ...PIN 10 OF T1001 20V 2µs1 POWER ON WF40 15 50Vp p V1 PIN 11 OF T1001 5V 2µs1 POWER ON WF41 0 23Vp p V1 BASE OF Q1002 0 1V 2µs1 POWER ON WF42 50 0Vp p V1 PIN 12 OF IC451 20V 5ms1 POWER ON WF43 150 0Vp p V1 Q501 COLLECTOR 50V 20µs1 POWER ON WF44 4 0Vp p V1 Q551 BASE 5V 20µs1 POWER ON WF45 1200 0Vp p V1 Q551 COLLECTOR 200V 20µs1 POWER ON WF46 230Vp p V1 PIN 3 OF T551 50V 20µs1 POWER ON WF47 130 0Vp p ...

Page 135: ...THING CIRCUIT RECTIFIER SMOOTHING CIRCUIT RECTIFIER SMOOTHING CIRCUIT PR1001 D1015 OVERVOLTAGE PROTECTOR D1008 D1006 D1005 C1011 RECTIFIER SMOOTHING CIRCUIT OUTPUT VOLTAGE DETECTOR D1007 C1014 C1012 C1013 C1016 C1017 PR1002 12V REGULATOR Q1051 TP1058 Q1052 TP1002 TP1003 TP1005 TP1004 5V REGULATOR TP1050 TO IC6001 1 POWER DOWN L D1016 TO T551 9 130V Q1053 Q1003 Q1004 Q1005 MAIN C B A TV POWER C B A...

Page 136: ...01 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 111 HEAD AMP SW FROM IC6001 26 HEAD SW PULSE FROM IC6001 67 PB L TP3501 30 18 16 4 6 13 11 1 32 31 P3503 5 P3503 2 P3503 6 P3503 4 P3503 1 P3503 3 P3503 2 P3503 1 P3503 3 30 31 1 4 6 18 VIDEO L HEAD VIDEO R HEAD L R REC P...

Page 137: ...F Q4001 Q4002 Q4003 Q4171 5V 22 71 73 60 65 IC3001 69 75 57 58 8 7 2 I C CONTROL 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 4 P4092 3 P4001 1 P4001 2 PIN 1 PIN 2 56 TO FROM IC6001 20 I C SERIAL DATA 2 FROM IC6001 21 I C SERIAL CLOCK 2 FROM IC6001 22 BEEPER 3 5 9 DC VOLTAGE CONTROL AUDIO OUTPUT AMP P4591 2 P4591 1 EARPHONE J...

Page 138: ...UP POWER REC REW REVIEW TV FM FF CUE TERMINAL VOLTAGE OPERATION BUTTON KEY MATRIX SW6301 SW6311 5 6 2 1 5 I2 C SERIAL DATA I2 C SERIAL CLOCK TO FROM IC3001 8 I2 C SERIAL DATA TO IC3001 7 I2 C SERIAL CLOCK TO FROM IC5301 44 TO IC5301 43 I2 C SERIAL DATA I2 C SERIAL CLOCK IC6004 MEMORY REC LED ON L ON TIMER LED ON L PROGRAM TIMER LED ON L D6302 D6303 D6301 ON TIMER PROG TIMER REC 5V LOADING MOTOR FO...

Page 139: ...REC CTL TR MM GENERATOR 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 TORQUE LIMIT TO IC3501 32 HEAD AMP SW FROM IC3501 33 ENVELOPE DET TO IC3001 49 ROTARY SW FROM IC3001 25 VIDEO WITH 4 HEAD TO IC3501 1 HEAD SW PULSE TP6205 TO IC3001 13 V LOCK PULSE...

Page 140: ...507 J3301 DC CONVERT HORIZONTAL DRIVE Q432 Q433 Q434 V POSITION CONTROL BUFFER FROM IC801 4 130V TO IC6001 89 OVER CURRENT H OVER CURRENT DETECTOR Q581 IC501 VERTICAL DEFLECTION YOKE HORIZONTAL DEFLECTION YOKE FLY BACK TRANSFORMER ANODE FOCUS ABL SCREEN VIDEO B B HEATER COLLECTOR T551 HEATER TP47 CRT C B A TV VCR MAIN C B A Q3301 Q5302 Q541 Q542 Q3302 EXCESSIVE CURRENT PROTECTOR Q5301 Q5601 B G R ...

Page 141: ...1051 R6173 R6138 R6134 R6172 R6176 R6133 R6132 R6175 C6022 R6135 C6044 C6047 C6030 R6130 R6131 R6174 R1057 TP1058 C6302 C6301 R6315 R6316 Q6301 TP1050 R1056 R1051 TP1005 TP1003 TP1009 TP1004 TP1002 Q1052 Q1053 P4591 C1057 R1058 R1011 C1055 C1029 R1010 C1018 C1021 R1023 R1020 R1017 R1019 R1022 C1054 C1011 C1010 Q1005 Q1004 Q1003 R1015 R1016 R1014 R1008 R1007 R1006 R1025 R1005 R1003 R1018 C1007 C604...

Page 142: ...WING PARTS ON THE CAPSTAN STATOR C B A ARE NOT SUPPLIED SEPARATELY PLEASE ORDER AND REPLACE WITH THE CIRCUIT BOARD ASSEMBLY INSTEAD OF INDIVIDUAL PARTS Q2501 Q2502 Q2503 CAPSTAN COIL 1 2 3 4 VJBS2007 1 2 3 4 C2509 C2508 C2519 C2506 C2504 C2507 R2505 IC2501 IC2505 P2503 C2517 C2510 R2501 1 28 15 14 R2502 C2524 C2521 C2505 C2520 C2511 C2522 C2525 P2502 11 12 1 2 Q2502 Q2501 Q2503 C2523 1 2 1 2 3 4 1...

Page 143: ... R3503 C3508 C3513 C3516 C3509 L3501 R3507 C3511 C3512 C3528 C3530 C3529 18 1 19 96 COMPARISON CHART OF MODELS MARKS PVQ 2511 PV C2541 A B MODEL MARK NOTE CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION ...

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