Aiwa VX-FT21 manuals

Aiwa VX-FT21 Service Manual (115 pages)

Brand: Aiwa | Category: CRT TVs | Size: 4.08 MB |

English

Table of contents

SERVICE MANUAL

1

TABLE OF CONTENTS

2

SERVICING NOTICES ON CHECKING

3

DISASSEMBLY INSTRUCTIONS

4

DISASSEMBLY INSTRUCTIONS

10

KEY TO ABBREVIATIONS

12

SERVICE MODE LIST

14

POWER ON

15

PLAY/REC

15

INIT 00 83

15

CLEANING

16

SERVICING FIXTURES AND TOOLS

18

PREPARATION FOR SERVICING

19

(SCV-1998)

21

MECHANICAL ADJUSTMENTS

22

ELECTRICAL ADJUSTMENTS

26

TROUBLESHOOTING GUIDE

34

(TV SECTION)

34

IC DESCRIPTIONS

60

SERVO TIMING CHART

63

SYSTEM SWITCH MODE

64

TRANSISTOR

65

TV BLOCK DIAGRAM

66

MICON/OPERATION BLOCK DIAGRAM

68

VIDEO SW

69

IC701 LA7956

69

T'TEXT BLOCK DIAGRAM

70

IF/21PIN/

71

PRINTED CIRCUIT BOARDS

72

OPERATION

72

TV POWER

72

OPERATION SCHEMATIC DIAGRAM

73

CHOKE COIL SCHEMATIC DIAGRAM

74

DECK SCHEMATIC DIAGRAM

75

IF SCHEMATIC DIAGRAM

79

STEREO SCHEMATIC DIAGRAM

80

SYSCON/SUB POWER

81

(SYSCON PCB)

84

MICON SCHEMATIC DIAGRAM

85

POWER SCHEMATIC DIAGRAM

86

CHROMA/IF SCHEMATIC DIAGRAM

88

CH14410A

89

T’TEXT SCHEMATIC DIAGRAM

90

TUNER/HI-FI SCHEMATIC DIAGRAM

91

REGULATOR SCHEMATIC DIAGRAM

92

MAIN/CRT/POWER SW

93

TV POWER SCHEMATIC DIAGRAM

94

DEFLECTION SCHEMATIC DIAGRAM

95

CRT SCHEMATIC DIAGRAM

96

INTERCONNECTION DIAGRAM

97

WAVEFORMS

100

MECHANICAL EXPLODED VIEW

102

DEGAUSS ELEMENT PTH451A140M21

111

Printed in Singapore

114

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