Toshiba 14N21NS service manual Contents

Page 3

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 .......................................................................................................................................

CHROMA/SIF/VIF/21PIN ........................................................................................................................

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

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

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

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-2 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 H-1, H-2 I-1

J1-1

J2-1~ J2-4

A2-1

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Contents Colourtelevision A1-1 HOW to Order PartsInsulation Check Procedure Servicing Notices on CheckingContents General Specifications OSD Language TimerOn Screen DisplayFeatures RemoteControl Set Size AccessoriesWeight InterfaceCarton Removal Disassembly InstructionsInstallation Removal of Anode CAPB2-1 Removal and Installation of Flat Package ICB2-2 Service Mode List Confirmation of Hours UsedSet Key Remocon Key Operations INI When Replacing Eeprom Memory ICElectrical Adjustments Adjustment ProcedureBasic Adjustments Bright Cent Horizontal PositionVertical POSITION, Vertical Linearity Vertical SizeTint Confirmation of Fixed Value Step NoNO. Function Static Convergence Purity and Convergence AdjustmentsStatic Convergence Rough Adjustment PurityMain PCB CRT PCBBlock Diagram Solder Side Printed Circuit Boards MAIN/CRT Inserted PartsCUT Printed Circuit Boards MAIN/CRT Chip Mounted PartsR03AB2PXGPI AccessoryReset AV1 PowerSDA SCL Slpf LBF/SSC OUT Vert BCL/SAF FROM/TO Power CON+8V GNDG Outout Chroma IC201 STV2246C FM CAP Audio OUT GND DSoundgnd Critical for SAFETY,USE OnesFROM/TO Sound AMP SOUND+BMHE FROM/TO CHROMA/SIF/VIF/21PIN OUT Vout Vamp Abcl Hout AFCRamp Generator Height ADJAudioout FROM/TO PowerSW1 CHROMA/SIF/VIF/21PIN Swaudioin FrontvideoinWaveforms MICON/TUNERCHROMA/SIF/VIF/21PIN Sound AMP DEFLECTION/CRTMechanical Exploded View REF. NO. Part no Description J1-1REF. no Description Resistors Electrical Replacement Parts ListREF. no Description Resistors Capacitors J2-2J2-3 REF. no Description Miscellaneous J2-4
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