KLV-40W300A, KLV-46W300A (serv.man2) - Sony TV Service Manual (repair manual). Page 3

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KLV-40/46W300A
RM-GA010
TABLE OF CONTENTS
Specifications ............................................................................. 3
PC Input Signal Reference Chart ......................................... 4
Warning and Cautions ............................................................. 5
Safety Check Out ....................................................................... 5
Safety-Related Component Warning ................................... 5
Caution
...................................................................................... 6
Self Diagnostic Function ........................................................ 7
1. DISASSEMBLY
1-1
KLV-40W300A
1-1-1.
Rear Cover Assy Removal ............................ 9
1-1-2.
Stand Assy and ARM Assy Removal ............ 9
1-1-3.
Multi Button Assy And
HW1 Board Removal .................................. 10
1-1-4.
HW2 Board Removal .................................. 10
1-1-5.
DF1 Board and GF1 Board Removal ......... 11
1-1-6.
FB Top Shield Assy Removal ..................... 11
1-1-7.
AG Board and FB2 Board Removal ........... 12
1-1-8.
TUG Board Removal .................................. 12
1-1-9.
AC Inlet, Chassis Bracket and
Stay Removal ............................................... 13
1-1-10. Loud Speaker Removal ............................... 13
1-1-11. LCD Panel, HW3 Board and
Bezel Assy Removal .................................... 14
1-2
KLV-46W300A
1-2-1.
Rear Cover Assy Removal .......................... 15
1-2-2.
Stand Assy and ARM Assy Removal .......... 15
1-2-3.
Multi Button Assy And
HW1 Board Removal .................................. 16
1-2-4.
HW2 Board Removal .................................. 16
1-2-5.
DF2, DF3 and GF1 Boards Removal .......... 17
1-2-6.
FB Top Shield Assy Removal ..................... 17
1-2-7.
AG and FB2 Boards Removal ..................... 18
1-2-8.
TUG Board Removal .................................. 18
1-2-9.
AC Inlet, Chassis Bracket and
Stay Removal ............................................... 19
1-2-10. Loud Speaker Removal ............................... 19
1-2-11. LCD Panel, HW3 Board and
Bezel Assy Removal .................................... 20
2. SERVICE MODE ADJUSTMENTS
2-1.
How to enter Service Mode ....................................... 22
2-2.
Change Data by Service Mode .................................. 22
2-3.
Software Version Check ............................................ 24
2-4.
Set to Shipping Condition ......................................... 25
3. TROUBLE SHOOTING
3-1.
No Power (Flow Chart_B) ......................................... 26
3-2.
Set Reboots ................................................................ 27
3-3.
Self Diagnosis ............................................................ 27
3-4.
Communication Error ................................................ 29
3-5.
Audio Problem (Flow Chart_D) ................................ 29
3-6.
Video Problem (Flow Chart_E) ................................. 30
4. DIAGRAMS
4-1.
Circuit Boards Location ............................................ 31
4-2.
Schematic Diagram Information ............................... 31
4-2-1. AG Board — (001) ....................................... 32
4-2-2. AG Board — (002) ....................................... 34
4-2-3. AG Board — (003) ....................................... 36
4-2-4. AG Board — (004) ....................................... 38
4-2-5. AG Board — (005) ....................................... 40
4-2-6. AG Board — (006) ....................................... 42
4-2-7. AG Board — (007) ....................................... 44
4-2-8. AG Board — (008) ....................................... 46
4-2-9. GF1, FB2, DF1, DF2 & DF3 Boards
Schematic Diagram ...................................... 47
4-2-10. HW1 Board Schematic Diagram .................. 48
4-2-11. HW2 Board — (001) .................................... 49
4-2-12. HW2 Board — (002) .................................... 51
4-2-13. HW2 Board — (003) .................................... 53
4-2-14. HW3 Board Schematic Diagram .................. 55
4-2-15. TUG Board Schematic Diagram .................. 57
4-3.
Printed Wiring Boards ............................................... 59
4-4.
Semiconductors .......................................................... 64
5. EXPLODED VIEWS
5-1.
KLV-40W300A .......................................................... 66
5-2.
KLV-46W300A .......................................................... 73
5-3.
Packing Materials ...................................................... 79
6. ELECTRICAL PARTS LIST .............................................. 80
OPERATING INSTRUCTIONS
Section
Title
Page
Section
Title
Page
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK 
! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
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