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JVC AV-21W83 Service Manual

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RM-C1016-1H
[AV-21W83
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CONTENTS
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a
SPECIFICATIONS ....................................................................................................................................2
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OPERATING INSTRUCTIONS (APPENDIX)
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SAFETY PRECAUTIONS .........................................................................................................................3
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FEATURES ..............................................................................................................................................4
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FUNCTIONS .............................................................................................................................................5
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SPECIFIC SERVICE INSTRUCTIONS ....................................................................................................6
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SERVICE ADJUSTMENTS ....................................................................................................................14
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STANDARD CIRCUIT DIAGRAM (APPENDIX) .................................................................................. 2-1
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PARTS LIST ...........................................................................................................................................39
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SERVICE MANUAL

COLOUR TELEVISION

AV-21W83
AV-21W93
AV-21W93B
POWER
MUTING
POWER
MUTING
SYSTEM
CINEMA
SYSTEM
CINEMA
COLOUR SOUND
SURROUND
COLOUR SOUND
SURROUND
ECO
ECO
DISPLAY
SENSOR
DISPLAY
SENSOR
MENU
MENU
1/2
1/2
TV/VIDEO
TV/VIDEO
1
2
3
1
2
3
OFF
OFF
TIMER
TIMER
4
5
6
4
5
6
PICTURE
PICTURE
MODE
MODE
7
8
9
7
8
9
CHANNEL
CHANNEL
RETURN+
RETURN+
SCAN
SCAN
0
-/--
0
-/--
CHANNEL
VOLUME
CHANNEL
VOLUME
RM-C1016
RM-C1011
TV
TV
RM-C1011-1H
RM-C1012-1H
]
[AV-21W93
]
[AV-21W93B
/BK
/BK
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
MUTING
BASS
POWER
SYSTEM
CINEMA
COLOUR SOUND
SURROUND
ECO
DISPLAY
SENSOR
MENU
1/2
TV/VIDEO
1
2
3
OFF
TIMER
4
5
6
PICTURE
MODE
7
8
9
CHANNEL
RETURN+
SCAN
0
-/--
CHANNEL
VOLUME
RM-C1012
TV
]
/BK
/BK
/BK
/BK
AV-21W83
AV-21W93
AV-21W93B
BASIC CHASSIS
CH
No. 52016
Sep. 2002

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Summary of Contents for JVC AV-21W83

  • Page 1: Service Manual

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...

  • Page 2: Standard Circuit Diagram

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B STANDARD CIRCUIT DIAGRAM...
  • Page 3 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21W83 ....................2-5 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-21W83 ..................2-7 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21W93 ....................2-9...
  • Page 4 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W83 AV-21W83 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93 AV-21W93 AV-21W93B AV-21W93B BLOCK DIAGRAM 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522...

  • Page 5: Circuit Diagrams

    2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 CIRCUIT DIAGRAMS 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21W83 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 TO SPEAKER...

  • Page 6: Circuit Diagrams

    AV-21W83 AV-21W83 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-21W83 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 DEG COIL 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522...

  • Page 7: Main Pwb Circuit Diagram (1/3) [Av-21W93

    2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93 AV-21W93 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21W93 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 D760 R786...

  • Page 8: Circuit Diagrams

    2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93 AV-21W93 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-21W93 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 DEG COIL QQW0146-001...

  • Page 9: Main Pwb Circuit Diagram (1/3) [Av-21W93

    2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93B AV-21W93B 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21W93B 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 BASS...

  • Page 10: Circuit Diagrams

    2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93B AV-21W93B 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-21W93B 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 DEG COIL 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522...

  • Page 11: Pattern Diagrams

    AV-21W93 AV-21W93 PATTERN DIAGRAMS 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB PATTERN [AV-21W83 AV-21W93 /BK, 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522...
  • Page 12 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93B AV-21W93B 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB PATTERN [AV-21W93B 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 R970...
  • Page 13 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 AV-21W93 2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 MAIN PWB (CRT SOCKET) PATTERN [AV-21W83 AV-21W93 MAIN PWB (CRT SOCKET) PATTERN [AV-21W93B...

  • Page 14: Specifications

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SPECIFICATIONS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Contents Items 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...

  • Page 15: Safety Precautions

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SAFETY PRECAUTIONS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 1. The design of this product contains special hardware, many circuits 8.

  • Page 16: Main Difference List

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 FEATURES 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 s New chassis design enables use of an interactive on-screen control.

  • Page 17: Tv/Video 1 2

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 FUNCTIONS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 FRONT PANEL 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...

  • Page 18: Specific Service Instructions

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SPECIFIC SERVICE INSTRUCTIONS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 DISASSEMBLY PROCEDURE...
  • Page 19 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PICTURE TUBE 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 20 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 REMOVING THE CRT CRT CHANGE TABLE * Replacement of the CRT should be performed by 2 or more persons.

  • Page 21: Replacement Of Memory Ic

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B REPLACEMENT OF MEMORY IC 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SERVICE MENU 1. MEMORY IC 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 This TV uses the following memory IC.

  • Page 22: System Constant Set

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SETTING OF SYSTEM CONSTANT SET 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 23 CENTRE 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 TREBLE CENTRE 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 BALANCE CENTRE 1/2 [AV-21W83 BILINGUAL MODE only] 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SUPER BASS ON [AV-21W93B only] 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 24 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SERVICE MENU SETTING ITEMS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Service menu...
  • Page 25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 REPLACEMENT OF CHIP COMPONENT 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 CAUTIONS 1.

  • Page 26: Service Adjustments

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SERVICE ADJUSTMENTS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ADJUSTMENT PREPARATION 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 1.
  • Page 27 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ADJUSTMENT LOCATIONS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 28 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 BASIC OPERATION IN SERVICE MENU 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 1.
  • Page 29 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SERVICE MENU SUB MENU 1. IF 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SERVICE MENU 1.

  • Page 30: Focus Adjustment

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ADJUSTMENTS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 B1 POWER SUPPLY Measuring...
  • Page 31 -8 – +7 0/+1 +5/+1 0/+1 +5/0 — AMP T. SHARP -32 – +31 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 *1: AV-21W83 AV-21W93 *2: AV-21W93B /BK, 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part...
  • Page 32 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 33 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 34 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Signal 6.
  • Page 35 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B DEFLECTION CIRCUIT ADJUSTMENTS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 The setting (adjustment) using the remote control unit is made on the basis of the initial setting values.
  • Page 36 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 2.
  • Page 37 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 7.
  • Page 38 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 9.
  • Page 39 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B [COMPRESS (16 : 9) : ON, fv: 50Hz mode ] 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point...
  • Page 40 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 [COMPRESS (16 : 9) : OFF, fv: 60Hz mode ] 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 41 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 2.
  • Page 42 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 7.
  • Page 43 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point Adjustment part Description instrument 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 9.
  • Page 44 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B [COMPRESS (16 : 9) : ON, fV: 60Hz mode ] 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point...
  • Page 45 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B [VIDEO - 2 SET : COMPONENT, fv: 50/60Hz mode] 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Measuring Item Test point...
  • Page 46 OVERSHOOT 0 – 3 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AI VOLUME 00/01/10/11 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SUB BASS 3D (AV-21W83 , AV-21W93 only) –3 – +3 — SUB TREBLE 3D (AV-21W83 , AV-21W93 only) –3 –...

  • Page 47: Purity Adjustment

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B PURITY ADJUSTMENT 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 Note: The final adjustment of CONVERGENCE must be done after the 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 FOCUS adjustment.
  • Page 48 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B CONVERGENCE ADJUSTMENTS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 STATIC CONVERGENCE ADJUSTMENT 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 1.
  • Page 49 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SELF-CHECK FUNCTIONS 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 1. Outline This model has self-check functions given below.When an abnormality has been detected,the SUB POWER is turned off and both ECO and ON 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 TIMER LEDs flash to inform of the failure.An abnormality is detected by the signal input state of the control line connected to the microcomputer.

  • Page 50: Parts List

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PARTS LIST 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 51 EXPLODED VIEW-3 [AV-21W93B ] ..................... 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PRINTED WIRING BOARD PARTS LIST [AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 MAIN PW BOARD ASS'Y ............................. 45 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 REMOTE CONTROL UNIT PARTS LIST (RM-C1016-1H) ................

  • Page 52: Exploded View Parts List

    Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 GG10198-005A-H FRONT CABI ASS’Y Inc. No. 19, 20, 23 [AV-21W83 GG10198-003A-H FRONT CABI ASS’Y Inc. No. 19, 20, 23 [AV-21W93 AV-21W93B /BK, 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 53 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 EXPLODED VIEW PARTS LIST-2 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Ref.No.
  • Page 54 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 EXPLODED VIEW-2 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 55 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 EXPLODED VIEW PARTS LIST-3 [AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Ref.No. Part No.
  • Page 56 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PRINTED WIRING BOARD PARTS LIST [AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 MAIN PW BOARD ASS’Y(SCH-1088A-BK) ! Symbol No. ! Symbol No.
  • Page 57 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name...
  • Page 58 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name...
  • Page 59 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name...
  • Page 60 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name...
  • Page 61 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name...
  • Page 62 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PRINTED WIRING BOARD PARTS LIST [AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 MAIN PW BOARD ASS’Y(SCH-1111A-BK) ! Symbol No. ! Symbol No. Part No.
  • Page 63 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 64 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 65 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 66 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 67 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 68 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PRINTED WIRING BOARD PARTS LIST [AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 MAIN PW BOARD ASS’Y(SCH-1078A-BK) ! Symbol No. ! Symbol No. Part No.
  • Page 69 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 70 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 71 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 72 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 73 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...

  • Page 74: Packing Parts List

    522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 PACKING 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 75 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W83 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 AV-21W93 AV-21W93B 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 SERVICE NOTE : 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...
  • Page 76 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu25...

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