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21N21E2 service manual
1
1
39
39
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39 pages, 2.03 Mb
SERVICE MANUAL
PRINTED IN UK.
2003
C
COLOUR TELEVISION
21N21E2
TOSHIBA
Contents
Main
SERVICING NOTICES ON CHECKING
6. AVOID AN X-RAY1. KEEP THE NOTICES
IMPORTANT
3. USE THE DESIGNATED PARTS
5. TAKE CARE TO DEAL WITH THE CATHODE-RAY TUBE
CONTENTS
A2-1
A3-1
A3-2
A3-3
A3-4
A3-5
1. REMOVAL OF ANODE CAP
2.
REMOVAL AND INSTALLATION OF FLAT PACKAGE IC
Page
SERVICE MODE LIST
WHEN REPLACING EEPROM (MEMORY) IC
CONFIRMATION OF HOURS USED
2. BASIC ADJUSTMENTS
1. ADJUSTMENT PROCEDURE
Page
Page
3.
PURITY AND CONVERGENCE ADJUSTMENTS
D-5
ELECTRICAL ADJUSTMENTS
CP803A
MAIN PCB
4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)
R805 R803
BLOCK DIAGRAM
E-1 E-2
R402
CP803A
C535_1
PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS)
SOLDER SIDE
F-1 F-2
PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS)
SOLDER SIDE
F-3 F-4
MICON/TUNER SCHEMATIC DIAGRAM
G-2
G-1
IF/CHROMA SCHEMATIC DIAGRAM
G-4
G-3
21PIN/AV SW SCHEMATIC DIAGRAM
G-6
G-5
CAUTION: DIGITAL TRANSISTOR
SOUND AMP SCHEMATIC DIAGRAM
G-8
G-7
:SINCE THESE PARTS MARKED BY
10
DEFLECTION/CRT SCHEMATIC DIAGRAM
NOTE:THE RESISTOR MARKED F IS FUSE RESISTOR. IS NON POLAR ONE.
G-10
0
G-9
POWER SCHEMATIC DIAGRAM
3A 125V
4A 250V
4A 250V3A 125V
G-11
MICON/TUNER
IF/CHROMA
21PIN/AV SW
DEFLECTION/CRT
SOUND AMP
MECHANICAL EXPLODED VIEW
MECHANICAL REPLACEMENT PARTS LIST
Location No. TSB P/N Part No. Description
J1-1
J2-1
Location No. TSB P/N Part No. Description
J2-2
J2-3
Location No. TSB P/N Part No. Description
J2-4
Location No. TSB P/N Part No. Description
J2-5
DIODES
Location No. TSB P/N Part No. Description ICS
J2-6
TRANSISTORS
COILS &TRANSFORMERS
JACKS
SWITCHES
J2-7
VARIABLE RESISTORS
P.C.BOARD ASSEMBLIES
MISCELLANEOUS