JVC AV-20NMG3 - Manual
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Table of Contents:
- Page 2 – SPECIFICATIONS; Design and specifications ar e subject to change w ithout notice.
- Page 3 – SAFETY PRECAUTIONS
- Page 4 – FEATURES; SY STEM BLOCK DIAGRAM
- Page 5 – FUNCTIONS; FRONT PANEL
- Page 6 – REMOTE CONTROL UNIT
- Page 7 – MAIN DIFFERENCE LIST
- Page 8 – SPECIFIC SERVICE INSTRUCTIONS; DISASSEMBLY PROCEDURE; REMOVING T HE REAR COVER
- Page 10 – REPLACEMENT OF MEMORY ICs; PROCED URE FOR REPLACIN G MEMORY IC s
- Page 12 – INITIAL SETTING VALUE OF SERVIC E MENU
- Page 15 – SERVICE ADJUSTMENTS; BEFORE STARTING SERVICE A DJUSTMENT
- Page 16 – BASIC OPERATION OF SERVICE MENU
- Page 18 – SERVICE MENU FLOW CHAR T; OFF
- Page 19 – ADJUSTMENT LOCATIONS; FRONT; MAIN PWB
- Page 20 – ADJUSTMENTS; B1 POW ER SUPPLY
- Page 22 – VIDEO / C HROM A CIRCU IT ADJUSTMENT
- Page 25 – Cy
- Page 27 – DEFLECTION CIRCUIT ADJUSTMENT
- Page 28 – VSM PRESET SETTING
- Page 29 – PURITY / CONVER GENCE ADJUSTMENT; PURITY ADJUST MENT
- Page 30 – STAT IC CON VERGENCE ADJU ST MENT; DYNAMIC C ON VERGENCE ADJU ST MENT
- Page 31 – REPLACEMENT OF C HIP COMPONENT; CAUT IONS
No. 5202 5
Jun. 2002
AV- 20N3
AV- 20NM G3
AV- 20NM G3B
1
CO PYRIGHT © 2002 VICTOR COM PANY OF JAPAN, LTD.
AV-20N3/AV-20N3
/D
AV-20NMG3/AV-20NMG3B
/AV-20NMG3
/-A
CONTENTS
!
SPECIFICATIONS
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
2
!
SAFETY PRECAUT IONS
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
3
!
FEATU RES
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･
･･ ･
･･ ･
･･ ･
4
!
FUN CTIONS
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･
･･
･･
･･
5
!
MAIN DIF FERENC E LIST
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
7
!
SPECIFIC SER VICE INSTR UCTIONS
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･
8
!
SER VICE ADJU ST MENTS
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･
15
!
PARTS LIST
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･
･･
･
33
★
OPER AT ING INSTRU CT IONS
★
ST AND AR D CIRCUIT DIAGRAM
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･
･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･
2-1
SERVICE MANUAL
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Summary
No. 52025 AV-20N3 AV-20NMG3 AV-20NMG3B 2 SPECIFICATIONS CONT ENTS ITEM AV -20 N3 AV -20 N3 /D AV -20 NMG3 AV -20 NMG3 B AV -20 NMG3 /-A Dimensio ns(W × H × D) 619mm × 458mm × 488mm M ass 19kg TV RF Syst em B/G, I, D/K B/G, I, D/K,M RF Mode PAL / SECAM PAL / SECAM / NT SC3.58 / NT SC4 .43 Co lour Sys...
No.52025 AV-20N 3 AV-20NMG3 AV-20NMG3B 3 SAFETY PRECAUTIONS 1. The d esign of th is prod uct con ta in s sp ecial hard wa re , ma ny circu it s an d compo ne nts spe cially fo r saf ety purp oses. Forcon tinu ed prot ection , n o chan g es sh ou ld b e ma de to the o rig inald esign un less a uth or...
No. 52025 AV-20N3 AV-20NMG3 AV-20NMG3B 4 FEATURES " New ch assis d esign en ables us e of an int eractive on-scree n c ont ro l. " W ide ran ge volt age (1 10V ～ 2 40V ) AC p ower inp ut. " W ith AUDIO / VI DE O INPUT & OUTPUT te rmina l. " MUTING but ton can red uce th e a udio ...
