CONTENTS

SERVICING NOTICES ON CHECKING ......................................................................................................

HOW TO ORDER PARTS ...........................................................................................................................

IMPORTANT ................................................................................................................................................

CONTENTS .................................................................................................................................................

GENERAL SPECIFICATIONS ....................................................................................................................

DISASSEMBLY INSTRUCTIONS

1.REMOVAL OF ANODE CAP ..............................................................................................................

2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ...............................................................

SERVICE MODE LIST .................................................................................................................................

CONFIRMATION OF HOURS USED ..........................................................................................................

WHEN REPLACING EEPROM( MEMORY) IC ...........................................................................................

ELECTRICAL ADJUSTMENTS ..................................................................................................................

BLOCK DIAGRAM ......................................................................................................................................

PRINTED CIRCUIT BOARDS

MAIN/CRT ...............................................................................................................................................

SCHEMATIC DIAGRAMS

MICON/TUNER .......................................................................................................................................

IF/CHROMA ............................................................................................................................................

21PIN/AV SW .........................................................................................................................................

SOUND AMP ..........................................................................................................................................

DEFLECTION/CRT .................................................................................................................................

POWER ..................................................................................................................................................

WAVEFORMS .............................................................................................................................................

MECHANICAL EXPLODED VIEW ..............................................................................................................

MECHANICAL REPLACEMENT PARTS LIST ..........................................................................................

ELECTRICAL REPLACEMENT PARTS LIST ............................................................................................

A1-1

A1-1

A1-1

A2-1

A3-1~A3-5

B1-1

B2-1, B2-2 C-1

C-1

C-1 D-1~D-5 E-1, E-2

F-1~F-4

G-1, G-2 G-3, G-4 G-5, G-6 G-7, G-8 G-9, G-10 G-11, G-12 H-1~ H-3 I-1

J1-1

J2-1~ J2-7

A2-1

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Dell 21N21E2 service manual Contents