Equipment information:

Sony BG-3S TV chassis
Manufacturer:
Sony
Model: BG-3S
Date: 1999
Category: Audio, Video, TV, Multimedia
Group: TV chassis
Description: TRINITRON COLOR TV Chassis
Information:
                                    

These manuals are available for the above equipment:

Sony -- BG-3S -- Service Manual
File name: Sony-5074-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 69
Size: 3.14 Mbytes (3289250 Bytes)
Language: english
Revision:
Manual-ID/Number: 9-965-753-01 ã
Date: July 1999
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 38ebc5322038cd158e39eb2105e4c1e8
ed2kID: 1408b11e9065804b13c842dbfd7f8313
Downloads: 241 since 19 December 2013
Information:
SELF DIAGNOSIS FUNCTION................................ 4
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1. Rear Cover Removal
................................................ 22
2-2. Speaker Removal
..................................................... 22
2-3. Chassis Assy Removal
............................................. 22
2-4. F Bracket Removal
.................................................. 22
2-5. Service Position
....................................................... 23
2-6. Replacement of Parts
............................................... 23
2-6-1. Replacement of Control Button
..................................... 23
2-6-2. Replacement of Light Guide
.......................................... 23
2-7. D1 Board Removal
.................................................. 23
2-8. Terminal Bracket Removal
...................................... 24
2-9. H3 Board Removal
.................................................. 24
2-10. A and B3 Boards Removal
...................................... 24
2-11. Picture Tube Removal
.............................................. 25
3. SET-UP ADJUSTMENTS
3-1. Beam Landing
.......................................................... 26
3-2. Convergence
............................................................. 27
3-3. Focus Adjustment
.................................................... 29
3-4. G2 (Screen) and White Balance Adjustments ......... 30
4. CIRCUIT ADJUSTMENT
4-1. Adjustments with Commander
................................ 31
4-2. Adjustment Method
................................................. 32
4-3. Picture Quality Adjustments
.................................... 37
4-4. A Board Adjustment After IC003 (Memory)
Replacement.............................................................
37
4-5. Picture Distortion Adjustment
................................. 38
Section Title Page
5. DIAGRAMS
5-1. Block Diagram
......................................................... 41
5-2. Frame Schematic Diagram
...................................... 44
5-3 Circuit Boards Location
.......................................... 47
5-4. Schematic Diagrams and Printed Wiring Boards ... 48
(1) Schematic Diagram of A (1/2) Board ...................... 51
(2) Schematic Diagrams of A (2/2) and J2 Boards ....... 55
(3) Schematic Diagrams of F, B2 and VM1 Boards ........ 59
(4) Schematic Diagram of B3 Board
............................ 61
(5) Schematic Diagrams of C Board
............................. 66
(6) Schematic Diagrams of H3 and D1 Boards ............ 72
5-5. Semiconductors
........................................................ 76
6. EXPLODED VIEWS
6-1. Speaker Bracket
....................................................... 79
6-2. Chassis
.....................................................................
80
6-3. Picture Tube
............................................................. 81
7. ELECTRICAL PARTS
LIST....................................... 83
Sony-5074-Manual-Page-1-Picture
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