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Section
Title
Caution ................................................................
Specifications ......................................................
Connectors ..........................................................
LE-4B Self Diagnostic Software ........................
2. GENERAL ...................................................................
3-1.
Rear Cover Removal ..........................................
3-2.
Pillar Removal ....................................................
3-3.
Main Bracket Cover Removal ............................
3-4.
Main Bracket Removal ......................................
3-5.
Service Position .................................................
3-6.
N, JB, AG Boards .............................................
3-7.
Power Block Removal ........................................
3-8.
Optical Unit .........................................................
3-9.
C Board Removal ................................................
3-13. Mirror Removal ..................................................
3-14. H3 Removal ........................................................
3-15. Speaker Removal ................................................
4-1.
Signal Adjustment ..............................................
4-1-1. PAL Auto adjustment (CVBS) ......................
4-1-2. PAL Auto adjustment (RGB) .........................
4-2.
White Balance 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

Page
Section
3
4
5. DIAGRAMS
5
5-1.
6
8
22
5-2.
22
5-3.
22
22
23
23
23
23
24
24
25
25
26
26
26
27
27
27
27
27
5-4.
27
28
28
6-1.
29
6-2.
29
6-3.
7. ELECTRICAL PARTS LIST ..................................
COMPONENTS IDENTIFIED BY SHADING AND MARKED
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
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) ..............................................
Block Diagram (5) ..............................................
Block Diagram (6) ..............................................
Block Diagram (7) ..............................................
Block Diagram (8) ..............................................
Circuit Boards Location ......................................
Boards .................................................................
AG Board Schematic Diagram ...........................
AG Printed Wiring Board .................................
C Board Schematic Diagram ...............................
C Printed Wiring Board ....................................
JB Board Schematic Diagram .............................
JB 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 ..................................
T1 Board Schematic Diagram ...........................
T1 Printed Wiring Board ..................................
T2 Board Schematic Diagram ...........................
T2 Printed Wiring Board ..................................
N Board Schematic Diagram ..............................
N Printed Wiring Board ....................................
Semiconductors ..................................................
Screen Mirror Block, Covers ...........................
Chassis/Bottom Block Assembly .......................
SAFETY-RELATED COMPONENT WARNING !!
KDF-E42/50A11E
RM-ED002
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ON

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