JVC VF-P116E Service Manual Download

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SECTION 2

ELECTRICAL ADJUSTMENT

2.1 ARTICLES REQUIRED FOR ADJUSTMENT

2.1.1

Measuring instruments necessary for adjustment

Oscilloscope

Frequency counter

Digital voltmeter

2.2 LOCATION OF ADJUSTMENT PARTS

VR board

MAIN board

2.1.2

Other necessities for adjustment

Camara and lens
Resolution chart or registration chart

Capable of measuring 10MHz or higher
bands, and calibrated
Readable in 8 or more digits.
Constancy of 0.1ppm/1

-7

or more

at 0

C to 40

Input impedance of 10 M

Ω

or more,

and calibrated

Measuring instrument

Requirement

V. HEIGHT

V. HEIGHT2

VR501

CN501

CN503 CN504

GND

TP3

TP2

CN101

CN102

RY501 VR502

PEAKING

VR102

CONTRAST

VR1

BRIGHT

VR8

VR3

H HOLD

VR5

H. LIN

CN401

CN6

CN7

CN1

CN5

V HOLD

CN2

CN4

TP1

CN8

CN3

VIDEO LEVEL

VR101

VR7

VR6

SUB BRIGHT FOUCUS

• Adjustment by 4:3 mode

Summary of Contents for VF-P116E

Page 1: ...MPANY OF JAPAN LTD 100 recycled paper VF P116 is modified from following serial number to use the case and the PCBs commonly with the VF P116W VF P116 A is indicated on the serial no plate VF P116U xxxx0781 and after VF P116E xxxx2051 and after This service manual is exclusively for VF P116 A only ...

Page 2: ... VF P116U E VF P116U A E A DESCRIPTION DIFFERENCE OF EXTERNAL VIEW VF P116U E VF P116U A E A DESCRIPTION SC44730 001 SC20430 011 SC20431 003 SC46364 001 SC20430 012 SC20431 004 SC45909 070 SC32217 001 Same as VF P116W Same as VF P116W Same as VF P116W Same as VF P116W Same as VF P116W SC96773 SC96985 TALLY LED 4 LEDs 2 LEDs with white cover VF MAIN board assembly VR board assembly TALLY board asse...

Page 3: ...case Î and pull out the CRT together with the CRT holders from the mir ror case Î 3 Remove one screw 3 and the bottom case Ç can be opened in the direction of the arrow 2 Remove two screws 2 and detach the VF base ı Fig 1 1 Fig 1 2 Fig 1 3 Fig 1 4 Fig 1 5 1 4 Remove two screws 5 one in the opposite side and then open the CRT holder See Fig 1 5 3 Remove the ring Ï in the manner to open it 1 Å 2 ı 3...

Page 4: ...e plug Ó Note The anodic electrode is located inside the rubber cover of the anode plug Ó When discharging be careful not to get an electric shock 7 Loosen one screw 6 fixing the CRT to the deflection yoke and remove the soldering ˆ Pull the CRT out of the deflection yoke in the direction of the arrow f 1 3 REMOVAL OF MAIN BOARD 1 Open the bottom cover referring to 1 1 REMOVAL OF COVER 2 Remove fo...

Page 5: ...t or registration chart Capable of measuring 10MHz or higher bands and calibrated Readable in 8 or more digits Constancy of 0 1ppm 1 10 7 or more at 0 C to 40 C Input impedance of 10 M or more and calibrated Measuring instrument Requirement V HEIGHT V HEIGHT2 VR501 CN501 CN503 CN504 GND TP3 TP2 CN101 CN102 RY501 VR502 PEAKING VR102 CONTRAST VR1 BRIGHT VR8 VR3 H HOLD VR5 H LIN CN401 CN6 CN7 CN1 CN5...

Page 6: ...of Q10 MAIN and TP3 GND VR H HOLD VR3 MAIN 14 7 0 3kHz 2 4 ADJUSTMENT OF H HOLD 1 V HOLD adjustment Oscilloscope V rate 10 1 1 Adjust VR5 to obtain the specified level at the measuring point TP2 and TP3 GND VR V HOLD VR5 MAIN 17 5 0 5ms U Ver 21 0 5ms E Ver 2 5 ADJUSTMENT OF V HOLD 1 Video level adjustment Gray scale chart Oscilloscope H rate 10 1 1 Shoot the gray scale chart by the camera 2 Obser...

Page 7: ...e DY centering magnet of the deflec tion yoke so as to position the raster part in the center of the CRT DY centering magnet Deflection yoke 1 H linearity adjustment Resolution chart of Registration chart 1 Shoot the resolution chart or registration chart so as to take the central circle of the chart as large as possible 2 Adjust the H LIN control so that the linearity of the picture is aligned in...

Page 8: ...Printed in Japan S C Y VICTOR COMPANY OF JAPAN LIMITED VF P116U A VF P116E A No 60109B ...

Page 9: ...stem This will prevent damage to the product due to lightning and power line surges 12 Do not allow anything to rest on the power cord Do not locate this appliance where the cord will be abused by persons walking on it 13 Follow all warnings and instructions marked on the appliance 14 Do not overload wall outlets and extension cords as this can result in fire or electric shock 15 Never push object...

Page 10: ...tended to alert the user to the presence of im portant operating and maintenance servicing in structions in the literature accompanying the appli ance For USA and CANADA WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE This unit should be used with 12 V DC only CAUTION To prevent electric shocks and fire hazards do NOT use any other power source...

Page 11: ...Service Manual January 1999 No 60121 VIEWFINDER MODEL VF P116WU MODEL VF P116WE VICTOR COMPANY OF JAPAN LIMITED ...

Page 12: ...Service Manual No 60121 VF P116W MODEL ...

Page 13: ...MBLY 1 2 ELECTRICAL ADJUSTMENT 3 3 CHART AND DIAGRAM 6 4 EXPLODED VIEW AND PARTS LIST 8 5 ELECTRICAL PARTS LIST 10 6 REPACKING 12 TABLE OF CONTENTS Section Title Page COPYRIGHT 1998 VICTOR COMPANY OF JAPAN LTD Printed in Japan ...

Page 14: ...case Î and pull out the CRT together with the CRT holders from the mir ror case Î 3 Remove one screw 3 and the bottom case Ç can be opened in the direction of the arrow 2 Remove two screws 2 and detach the VF base ı Fig 1 1 Fig 1 2 Fig 1 3 Fig 1 4 Fig 1 5 1 4 Remove two screws 5 one in the opposite side and then open the CRT holder See Fig 1 5 3 Remove the ring Ï in the manner to open it 1 Å 2 ı 3...

Page 15: ...e plug Ó Note The anodic electrode is located inside the rubber cover of the anode plug Ó When discharging be careful not to get an electric shock 7 Loosen one screw 6 fixing the CRT to the deflection yoke and remove the soldering ˆ Pull the CRT out of the deflection yoke in the direction of the arrow f 1 3 REMOVAL OF MAIN BOARD 1 Open the bottom cover referring to 1 1 REMOVAL OF COVER 2 Remove fo...

Page 16: ... or registration chart Capable of measuring 10MHz or higher bands and calibrated Readable in 8 or more digits Constancy of 0 1ppm 1 10 7 or more at 0 C to 40 C Input impedance of 10 M Ω or more and calibrated Measuring instrument Requirement V HEIGHT V HEIGHT2 VR501 CN501 CN503 CN504 GND TP3 TP2 CN101 CN102 RY501 VR502 PEAKING VR102 CONTRAST VR1 BRIGHT VR8 VR3 H HOLD VR5 H LIN CN401 CN6 CN7 CN1 CN...

Page 17: ...10 MAIN and TP3 GND VR H HOLD VR3 MAIN 14 4 to 15kHz 2 4 ADJUSTMENT OF H HOLD 1 V HOLD adjustment Oscilloscope V rate 10 1 1 Adjust Vr5 to obtain the specified level at the measuring point TP2 and TP3 GND VR V HOLD VR5 MAIN 17 to 18ms U Ver 20 5 to 21 5ms E Ver 2 5 ADJUSTMENT OF V HOLD 1 Video level adjustment Gray scale chart Oscilloscope H rate 10 1 1 Shoot the gray scale chart by the camera 2 O...

Page 18: ...art or registration chart so as to take the central circle of the chart as large as possible 2 Adjust the H LIN control so that the linearity of the picture is aligned in both the sides 2 8 ADJUSTMENT OF H LINEARITY H LIN L4 MAIN 1 V amplitude adjustment Resolution chart or Registration chart 1 Set to 16 9 mode 2 Shoot the resolution chart or registration chart so as to take the central circle of ...

Page 19: ...5 2 4 2 3 5 0 2 4 1 9 5 0 1 6 2 0 4 4 4 0 0 7 5 0 0 2 0 0 8 9 0 967 57 3 57 3 382V 6 8 3 7 0 7 2 0 0 3 7 2 4 5 1 2 1 7 5 0 9 0 0 0 0 1 20 8 21 2 21 4 3 3 3 9 3 9 4 7 5 5 4 7 6 3 5 1 6 3 4 7 5 5 6 3 6 2 5 5 5 4 6 1 9 8 0 Blanking High voltage H drive V drive Protector Pluse shapper Clamp Peaking Sync separator VIDEO INPUT CN1 3PIN IC2 16PIN 4 2Vp p H rate IC2 3PIN 1 9Vp p V rate IC2 1PIN 1 7Vp p V ...

Page 20: ...C109 C133 C107 C10 C114 C19 CN7 C214 C111 C17 CN6 TP1 G C108 3 6 SIDE B SIDE B SIDE B MAIN BOARD VR BOARD TOPTALLY BOARD CIRCUIT BOARDS 3 2 7 7 R601 1C 両面 ...

Page 21: ...arts not denoted by parts numbers are not supplled by JVC 44 43 42 41 39 40 38 37 36 35 36 34 33 32 31 30 55 45 41 39 38 47 S11 S14 S12 S13 S15 49 48 46 19 18 17 25 29 28 27 16 26 24 VF BOARD S9 S8 S7 N1 N1 22 21 51 52 23 20 TOP TALLY BOARD 13 11 10 12 3 4 9 7 8 6 2 5 1 15 14 S3 S1 S2 S1 S4 MAIN BOARD N1 S20 S10 S17 S19 S11 S6 S6 54 53 50 S18 4 1 VF P116W ASSEMBLY ...

Page 22: ...3 001 VF CABLE ASSEMBLY 21 SC44975 001 LABEL 22 SC46020 001 CRT LABEL 23 SC41663 001 CAUTION LABEL 24 AN7709F I C M MATSUSHITA 25 SC46304 001 SPRING 26 SC46019 002 SPACER 27 SC20336 011 MIRROR CASE 28 SC43459 002 PIN 29 SC43460 002 SPRING PLATE 30 SC46045 001 MIRROR 31 SC43462 001 MIRROR HOLDER 32 SC43614 001 HOLDER PLATE 33 SC43491 002 SPRING 34 SC31041 013 HOLDER 35 SC31889 002 EYE FRAME 36 SC31...

Page 23: ...12 SECTION 6 REPACKING Note Accessories above are subject to change without notice INSTRUCTIONS SC96839 IMPORT SAFEG SC96412 001 U type only SHEET Cushion Carton box Cushion ...

Page 24: ...02 NRSA02J 334X M G RESISTOR 330k 1 10W R601 NRSA02J 182X M G RESISTOR 1 8k 1 10W VR3 QVPB609 203Z TRIM RESISTOR 20k H HOLD VR5 QVPB609 203Z TRIM RESISTOR 20k V HOLD VR6 QVP0025 205 TRIM RESISTOR 2M FOCUS VR7 QVP0025 205 TRIM RESISTOR 2M SUB BRIGHT VR101 QVPB609 102Z TRIM RESISTOR 1k VIDEO LEVEL C9 QER61HM 105Z E CAPACITOR 1 50V C10 QFN31HJ 152Z M F CAPACITOR 1500p 50V C13 NCB21EK 104X CER CAPACIT...

Page 25: ...251 001 COIL 000uH H LIN L101 NQL054K 120X COIL 12uH L103 NQL054K 560X COIL 56uH DL1 SCV1503 001 DELAY LINE 140ns S1 QSW0056 001 TOGGLE SWITCH CN1 QGA1501C1 08 CONNECTOR 8PIN CN2 QGA2001C1 02 CONNECTOR 2PIN CN3 QGA2001C1 06 CONNECTOR 6PIN CN4 QGA2001C1 03 CONNECTOR 3PIN CN5 SCV2608 006 CONNECTOR 6PIN CN6 SCV1227 008 CONNECTOR 8PIN CN7 SCV1227 004 CONNECTOR 4PIN CN8 QGA2001C1 04 CONNECTOR 4PIN CN40...

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