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Trinitron BVM-20G1U
Sony Trinitron BVM-20G1U User Manual
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TRINITRON
®
COLOR VIDEO MONITOR
BVM-14G1A/14G1E/14G1U
BVM-14G5A/14G5E/14G5U
BVM-20G1A/20G1E/20G1U
CHASSIS No. SCC-N52D-A (AUS)/J32H-A (AEP)/H99J-A (U/C)
CHASSIS No. SCC-N52E-A (AUS)/J32J-A (AEP)/H99K-A (U/C)
CHASSIS No. SCC-N52C-A (AUS)/J32G-A (AEP)/H99H-A (U/C)
OPERA
TION AND MAINTENANCE MANUAL
[English]
1st Edition
Serial No. 2000001 and Higher
BKM-10R
MONITOR CONTROL UNIT
2
Table of Contents
Default Chapter
5
Table of Contents
5
2 Service Informations
43
Circuit Boards Location
43
Bvm-14G5A/14G5E/14G5U
43
Bvm-14G1A/14G1E/14G1U/20G1A/20G1E/20G1U
43
Disassembly
45
Cabinet Removal (14G1A/14G1E/14G1U/14G5A/14G5E/14G5U)
45
Cabinet Removal (20G1A/20G1E/20G1U)
45
FBT Block Assy Removal (14G1A/14G1E/14G1U/14G5A/14G5E/14G5U)
46
FBT Block Assy Removal (20G1A/20G1E/20G1U)
46
E and G Boards Removal and Check
47
BC and BK Boards Removal and Check
47
Card Slot Assy Removal (14G1A/14G1E/14G1U/14G5A/14G5E/14G5U)
48
Card Slot Assy Removal (20G1A/20G1E/20G1U)
48
TA and TB Boards Removal
49
YA, YB and YC Boards Removal (14G1A/14G1E/14G1U)
49
Bezel Assy Removal (14G5A/14G5E/14G5U)
50
HA, HB, YA, YB and YC Boards Removal (14G5A/14G5E/14G5U)
50
YA, YB and YC Boards Removal (20G1A/20G1E/20G1U)
51
Picture Tube Removal
51
Picture Tube Removal (20G1A/20G1E/20G1U)
52
3 Set-Up Adjustments
55
Preparations
55
Focus Adjustment
56
Landing Adjustment
56
H Blanking Adjustment
57
Blanking Adjustment
59
Linearity Adjustment
60
Convergence Adjustment
61
Static Convergence Adjustment
62
G2 Adjustment
65
White Balance Adjustment
66
4 Safety Related Adjustments
69
B (120V) Voltage Check
69
High Voltage Regulator Check
69
High Voltage Hold-Down Check
70
Beam Current Protector Check
70
5 Circuit Adjustments
73
BK Board
73
BC Board
82
E Board
83
6 Circuit Descriptions
87
BK Board Descriptions
87
BC Board Descriptions
89
E Board Descriptions
90
C Board Descriptions
93
Power Supply Circuit Descriptions (G Board)
93
Control Unit Descriptions (BVM-14G5, BKM-10R)
95
7 Semiconductors
97
8 Exploded Views
99
Bezel, Cabinet (14G1A/14G1E/14G1U/14G5A/14G5E/14G5U)
100
Card Slot (14G1A/14G1E/14G1U/14G5A/14G5E/14G5U)
102
Picture Tube (14G1A/14G1E/14G1U/14G5A/14G5E/14G5U)
104
Bezel, Cabinet (20G1A/20G1E/20G1U)
106
Card Slot (20G1A/20G1E/20G1U)
108
Picture Tube (20G1A/20G1E/20G1U)
110
Control Unit (BKM-10R)
112
Electrical Parts List
113
Block Diagram
149
Other manuals for Sony Trinitron BVM-20G1U
Operation Manual
64 pages
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Sony Trinitron BVM-20G1U Specifications
General
Screen Size
20 inches
Technology
CRT
Aspect Ratio
4:3
Color System
NTSC, PAL, SECAM
Input Connectors
BNC, Composite, S-Video
Refresh Rate
60 Hz
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