Table Of Contents - Sony TRINITRON Multiscan GDM-W900 Service Manual

GDM-w900
Section Title - Page
1. GENERAL 0 cccccsssssscssssnesetntee eas 5
2. DISASSEMBLY
2-1. Cabinet Removal 14
2-2. D Board Removal 14
2-3. G Board Removal 15
2-4. A Board Removal 15
2-5. M Board Removal 16
2-6. L Board Removal 16
2-7. Service POSition ..........cesscscesecsssesectseesesessensesseseeees 17
2-8. -Hamess Location
(1): D Block Side .cc2c. cisnaisiacuuesiedaciasdsevstactideians 17
(2) Gi BlOCK Side * ss. siizsvecdeenscastdsecatiaceseancsecdetactupeoasetces 18
2-9. H1,H2 and J Boards Removal .. 18
2-10. Picture Tube Removal ........ccscccsessessessesnrerseeeeens 19
3. SAFETY RELATED ADJUSTMENT............ 20
4. ADJUSTMENTS ou. ccccccsssssesseessecssseesenees 21
5. DIAGRAMS
5-1. Block Diagrams ......cccssessessecesseseeseeessesesneentaneees 23
5-2. Frame Schematic Diagram ........ccesseessssseeeeeseees 29
5-3. Circuit Boards Location... eeecseseeesceenserseretsees 31
5-4. Schematic Diagrams and Printed Wiring Boards...... 31
(1) Schematic Diagram of D Board ou... essere 35
(2) Schematic Diagrams of G, GA, GB and
DV BOardS:svisscesiesteavessestealsssesteiteadsdcaavessadssdsnavences 39
(3) Schematic Diagrams of H1, H2, L and
WA Bisnis 4:2.cn casi ncientctan Gusania anal 43
(4) Schematic Diagram of A Board ....... essences 47
5-5. SeMicONductOrs ......es ee eeeeeeseeseeseseeceeeerescaeeeeseatees 54
6. EXPLODED VIEWS
Gale: "CHASSIS! siscccciventecatiseccnsssetastesaeisescevdcncatdeeelacevavesess 56
6-2: "Picture Tube ccc cccsccnsteicsteectiiaessveedscsseccsscacdsesswatsie 57
6-3. Packing Materials ........cesscceesseescsecesscssesetassees 58
7.
ELECTRICAL PARTS LIST ..w - 59