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KLV-26/32/40/46V300A
RM-GA008
TABLE OF CONTENTS
Safety Check Out/Leakage Test ............................................ 3
Caution Handling ...................................................................... 4
Lead free information ............................................................... 4
Self Diagnostic Function ........................................................ 5
Caution Handling ...................................................................... 4
Lead free information ............................................................... 4
Self Diagnostic Function ........................................................ 5
1. DISASSEMBLY
1-1.
Rear Cover Removal .................................................... 7
1-2.
Vesa Bracket Assembly Removal ................................ 9
1-3.
H1 Board Removal .................................................... 11
1-4.
U1 Board Removal .................................................... 11
1-5.
G1H Board Removal ................................................. 12
1-6.
G3 and D1 Boards Removal ...................................... 13
1-7.
DTT Shield, UT and BG1 Boards Removal ............. 14
1-8.
D2 Board Removal .................................................... 15
1-9.
Inlet, AC (with noise filter) Removal ........................ 15
1-10. Speaker, H3 and H4 Boards Removal ....................... 17
1-11. LCD Panel Removal .................................................. 18
1-11. LCD Panel Removal .................................................. 18
2. WIRE DRESSING
2-1.
(KLV-26V300A) ...................................................... 20
2-2.
(KLV-32V300A) ...................................................... 22
2-3.
(KLV-40V300A) ...................................................... 25
2-4.
(KLV-46V300A) ...................................................... 29
3. SERVICE ADJUSTMENTS
3-1.
How to enter Service Mode ....................................... 34
3-2.
Signal Level Adjustment ........................................... 34
3-3.
Gamma Adjustment ................................................... 36
3-4.
White Balance Adjustment ........................................ 37
3-5.
Panel Replacement ..................................................... 38
3-6.
Board Replacement .................................................... 38
4. DIAGRAMS
4-1.
Block Diagram ........................................................... 39
4-1-1. BG1 (1/3) Block Diagram .............................. 39
4-1-2. BG1 (2/3), H1, H3, H4 and UT Diagrams ..... 40
4-1-3. BG1 (3/3) and U1 Diagrams ........................... 42
4-1-1. BG1 (1/3) Block Diagram .............................. 39
4-1-2. BG1 (2/3), H1, H3, H4 and UT Diagrams ..... 40
4-1-3. BG1 (3/3) and U1 Diagrams ........................... 42
4-2.
Circuit Boards Location ............................................ 44
4-3.
Schematic Diagram Information ............................... 44
4-3-1. BG1 Board — (001) ....................................... 45
4-3-2. BG1 Board — (002) ....................................... 46
4-3-3. BG1 Board — (003) ....................................... 48
4-3-4. BG1 Board — (004) ....................................... 50
4-3-5. BG1 Board — (005) ....................................... 52
4-3-6. BG1 Board — (006) ....................................... 54
4-3-7. BG1 Board — (007) ....................................... 56
4-3-8. BG1 Board — (008) ....................................... 58
4-3-9. BG1 Board — (009) ....................................... 60
4-3-10. G1H, G3, D1 & D2 Boards
Schematic Diagram .................................................... 62
4-3-11. H1 Board Schematic Diagram ...................... 63
4-3-12. H3 Board Schematic Diagram ...................... 64
4-3-13. H4 Board Schematic Diagram ...................... 66
4-3-14. U1 Board Schematic Diagram ...................... 67
4-3-15. UT Board Schematic Diagram ..................... 69
4-3-1. BG1 Board — (001) ....................................... 45
4-3-2. BG1 Board — (002) ....................................... 46
4-3-3. BG1 Board — (003) ....................................... 48
4-3-4. BG1 Board — (004) ....................................... 50
4-3-5. BG1 Board — (005) ....................................... 52
4-3-6. BG1 Board — (006) ....................................... 54
4-3-7. BG1 Board — (007) ....................................... 56
4-3-8. BG1 Board — (008) ....................................... 58
4-3-9. BG1 Board — (009) ....................................... 60
4-3-10. G1H, G3, D1 & D2 Boards
Schematic Diagram .................................................... 62
4-3-11. H1 Board Schematic Diagram ...................... 63
4-3-12. H3 Board Schematic Diagram ...................... 64
4-3-13. H4 Board Schematic Diagram ...................... 66
4-3-14. U1 Board Schematic Diagram ...................... 67
4-3-15. UT Board Schematic Diagram ..................... 69
4-4.
Voltage Measurement and Waveforms ...................... 71
4-5.
Printed Wiring Boards ............................................... 73
4-6.
Semiconductors .......................................................... 81
5. EXPLODED VIEWS
5-1.
Rear Cabinet and Stand Assy .................................... 83
5-2.
Frame and Cover ........................................................ 85
5-3.
Chassis-1 .................................................................... 87
5-4.
Chassis-2 .................................................................... 88
5-5.
H3, H4 Boards and Speaker ...................................... 90
5-6.
Bezel Assy and LCD Panel ........................................ 91
5-7.
Accessories and Packing Materials ........................... 92
6. ELECTRICAL PARTS LIST .............................................. 95
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.
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.
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
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