JVC AV-20N3/D, AV-20NMG3/-A, AV-20NMG3B Main Difference List, Part Name, Model Name

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AV-20N3

AV-20NMG3

AV-20NMG3B

MAIN DIFFERENCE LIST

Part Name

Main PWB

Remote Control Unit

Front Cabinet

Rating Label

Model Name

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20N3

SCG -1403A-H2

RM-C364GY-1H

LC10438-027A-H

LC20377-010B-H

 

 

 

 

 

 

 

 

 

AV-20N3/D

SCG -1425A-H2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3

SCG -1422A-H2

 

 

LC10438-029A-H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3B

 

 

RM-C364-1H

LC10438-033A-H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3/-A

 

 

RM-C364GY-1H

LC10438-029A-H

LC20413-002B-H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Part Name

Picture Tube

Inst Book

Digest Manual

 

 

Model Name

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20N3

A48LWX10X

LCT1188- 001A- H

LCT1189- 001A- H

 

 

 

 

 

 

 

 

 

 

 

AV-20N3/D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3

A48LDD095X

LCT1196- 001A- H

LCT1197- 001A- H

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3/-A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

TV RF System

Colour System

Intermediate

OSD Language

Frequency

Model Name

[RF Mode]

 

 

[SIF Carrier]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32.5MHz (5.5MHz)

 

 

AV-20N3

B/G, I, D/K

PAL / SECAM

31.5MHz (6.5MHz)

E / R

 

 

 

 

 

32.0MHz (6.0MHz)

 

 

 

 

 

 

 

 

 

 

 

AV-20N3/D

 

 

 

 

 

 

E / C / M / I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32.5MHz (5.5MHz)

 

 

AV-20NMG3

B/G, I, D/K,M

PAL / SECAM

33.5MHz (4.5MHz)

E / R / A / P

NTSC3.58 / NTSC4.43

31.5MHz (6.5MHz)

 

 

 

 

 

 

 

 

 

 

32.0MHz (6.0MHz)

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV-20NMG3/-A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No. 52025

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Contents Contents AV-20NMG3 SpecificationsEnts AV-20N3Safety Precautions VIDEO/CHROMA Decorder SCL 1/SDA1 FeaturesMemory SCL 2/SDA2 Micro ComputerFront Panel Rear Terminal FunctionsRemote Control Unit Part Name Main Difference ListModel Name Disassembly Procedure Specific Service InstructionsSpeaker System CONSTANT-Ⅱ KEY Assignment of Remote Control UnitService Menu System CONSTANT-ⅠSetting item Setting value Setting of System Constant SETSetting item Setting contents User Setting ValuesInitial Setting Value of Service Menu Sound System Do Not Adjust Setting item PresetPAL Secam Procedures Replacement of IC301 if V/C DecoderLocations of Front Panel Buttons and LAM PS Measuring Instrument and Fixtures Service AdjustmentsBefore Starting Service Adjustment Adjustment ItemsKEY Assignment of Remote Control Unit Service Menu Basic Operation of Service MenuShould be OFF Method of settingC, 3.DEF and 4.VSM Preset Setup TourService Menu Flow Chart Upperfocus Adjustment LocationsSolder Side TOPIf Circuit Adjustment AdjustmentsB1 Power Supply Focus AdjustmentAGC Take Over Other Delay PointPoint AGCVideo / Chroma Circuit Adjustment SUB Method of adjustment without measuring instrumentSUB Bright Ad justment RemoteColour Ⅱ CRT TintSocket BL ACK BL AdjustAd justment part Description Remote Secam Control unitPosition Deflection Circuit AdjustmentTOP VSM Preset SettingVER. Scurve ScurvePurity Adjustment Purity / Convergence Adjustment# P/C Magnets Dynamic Convergence Adjustment Static Convergence AdjustmentReplacement Steps Replacement of Chip ComponentSoldering Iron AV-20N3 AV-20NMG3 AV-20NMG3B
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