Table Of Contents - Sony TRINITRON KV-27TW77 Service Manual

~ KV-27TW77/27TW78
KV-32TW77/ 32Tvv78
TABLE OF CONTENTS
Section Title Page
1. GENERAL
1-1. Locating the Controls -++++++-+++eeeeee eres 5
1-2. Using the On-Screen Menus -----++++-++++++> f,
1-3. Turning the Cable Mode On or Off --------- rt 8
1-4. Presetting TV Channels ---+-++++++eeeeeereee 9
1-5. Connecting Other Equipment ---------+-+------- 11
1-6. Watching TV Programs -+++++serr reece eee 13
1-7. Using Convenient Features --+++--++++++eeseeee: 14
1-8. Using Closed Caption -++-+++++rererrereerees 14
1-9. Watching Two Pictures at Once
(Picture-in-Picture) Se i ii 15
1-10. Using the Timer-Activated Functions ---------- 18
1-11. Customizing the Screen Display --++-++++++++: 21
1-12. Using the Pre-Programmed
Remote Commander -*+++rrseceeeeeeeceeeees 23°
2. DISASSEMBLY
2-1. RearPlate Removal -++++ceseeeceeceeceeeees 24
2-2. Chassis Assy Removal -++++esessseeseeeeeeee 24
223: 'Servide Position. #2006 82544 sewsisise den eeceieles 24
2-4. P Board and P Bracket Removal «+++++++++++s 24
2-5. UABoard Removal -cscrcccccesceseseceeeees 25
2-6. Extension Cable ---+-+secccce eee eeeeeeeeeeee 25
2-7. Picture Tube Removal (1)
(KV-27TW77/27TW78 only) -+++rercteee cee 26
Picture Tube Removal (2)
(KV-32TW77/32TW78 only) s+++rre rte re eee 27
2-8. Repair of Chip Component Circuit Board -:++:-- 28
3. SET-UP ADJUSTMENTS
3-1. Beam Landing -+++++seeereeeeeeee cere eeeees 33
3-2. Convergence --+++s+ssseeeee eee e rece eeeees 34
3-3. Focus Adjustment -++++++esssseeeeeeeee cease 37
3-4. G2 (Screen) and White Balance Adjustments ---- 38
Section Title Page
4. SAFETY RELATED ADJUSTMENTS .-.-.----- 39
5. CIRCUIT ADJUSTMENTS
5-1. Electrical Adjustment by Remote Commander --- 41
5-2. M Board Adjustments eee tee ewe en eta ence nne 43
5-3. P Board Adjustments ee ee ee eee 46
6. DIAGRAMS
6-1. Block Diagrams ----+++++rcte errr eee eeeeete 47
6-2. Frame Schematic Diagram --++++++++++s+++eee 57
6-3. Circuit Boards Location «++++++++ssreeetrreee 60
6-4. Schematic Diagrams and Printed Wiring Boards
(1) Schematic Diagram of D Board -+++++++++++++> 61
(2) Schematic Diagram of A, EandH Boards -:--:- 69
(3) Schematic Diagram of UA Board +++++-+++++- 73
(4) Schematic Diagram of P Board -+++++++++++++: 83
(5) Schematic Diagram of M Board -+-+++++++++++ 87
(6) Schematic Diagram of C Board ++-+++++++-+++: 94
6-5. Semiconductors -++eses scree cert eens eneeeees 96
7. EXPLODED VIEWS
FAs: 'Chassis: és0s8s60 ei dead ede eeded ese Peet 97
FD" ACQVEE > ahs waa os Oe Oe Pew Nie ea gale heres 98
73- Dioture Tube. :ecesessineescseeteeet te ebuesns 99
8. ELECTRICAL PARTS LIST ..-------------- 100