Table of Contents
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Section
Title
Caution ................................................................
Specifications ......................................................
Connectors ..........................................................
1. SELF DIAGNOSIS FUNCTION
LE-4A Self Diagnostic Software ........................
2. GENERAL ...................................................................
3-1.
Rear Cover Removal ..........................................
3-2.
Centre Pillar Removal ........................................
3-3.
Service Position .................................................
3-4.
Chassis, Optical Unit, DC Fan Removal ...........
3-5.
Power Block Removal .......................................
3-6.
H1 Board Removal ............................................
3-7.
H2 Board Removal .............................................
3-8.
H3 Board Removal .............................................
3-9.
A Board Removal ...............................................
3-10. G Board Removal ...............................................
3-11. T Board Removal ................................................
3-12. Front Panel Removal ..........................................
3-13. Front Cover Removal .........................................
3-14. Control Panel Removal .......................................
3-15. Screen, Mirror Block Assembly Removal ..........
3-16. Mirror Cover Block Assembly Removal ............
3-18. Woofer Block Assembly Removal .....................
3-19. Speaker Removal ................................................
3-20. Mirror Removal ..................................................
4-1.
Adjustments with Commander ...........................
4-1-1. How to Select Each Mode ..............................
for Operation in Service Mode .......................
4-1-3. Setting the TV into Service Mode ..................
4-1-4. Screen Display for Service Menu ..................
4-1-5. Operation Method for Adjustments ...............
4-2.
Screen Centre Adjustment ..................................
4-3.
Test Test Mode ...................................................
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
TABLE OF CONTENTS
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Section
3
5. DIAGRAMS
4
5-1.
5
6
5-2.
5-3.
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22
22
23
23
23
23
24
24
24
25
25
5-4.
26
5-5.
26
26
6-1.
6-2.
27
6-3.
27
6-4.
27
7. ELECTRICAL PARTS LIST ..................................
27
27
29
COMPONENTS IDENTIFIED BY SHADING AND MARKED
29
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
29
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
- 2 -
Title
Block Diagram (1) ..............................................
Block Diagram (2) ..............................................
Block Diagram (3) ..............................................
Block Diagram (4) ..............................................
Circuit Boards Location ......................................
Boards .................................................................
A Board Schematic Diagram ..............................
A Printed Wiring Board ....................................
B Board Schematic Diagram ...............................
B Printed Wiring Board ....................................
C Board Schematic Diagram ...............................
C Printed Wiring Board ....................................
J Board Schematic Diagram ................................
J Printed Wiring Board .....................................
G Board Schematic Diagram ..............................
G Printed Wiring Board ....................................
H1 Schematic Diagram .......................................
H1 Printed Wiring Board ..................................
H2 Board Schematic Diagram ............................
H2 Printed Wiring Board ..................................
H3 Board Schematic Diagram ............................
H3 Printed Wiring Board ..................................
T Board Schematic Diagram .............................
T Printed Wiring Board ....................................
Semiconductors ..................................................
IC Block Diagrams .............................................
Screen and Cover Block ...................................
Cabinet Block ......................................................
Main Bracket Block ............................................
Picture Tube Block .............................................
SAFETY-RELATED COMPONENT WARNING !!
KF-50/60SX300
RM-906
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