Read Sony KDE-W50A11E Service Manual online
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AT2X
RM-ED001
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Warning ..............................................................
3
Caution ................................................................
4
Specifications ......................................................
5
Connectors ..........................................................
6
Self Diagnosis .....................................................
7
1. GENERAL ...................................................................
8
2. DISASSEMBLY
2-1.
Rear Cover Removal ...........................................
18
2-2.
Speaker Cover Removal .....................................
18
2-3.
Fan Removal .......................................................
19
2-4.
H1 Board Removal .............................................
19
2-5.
H2 Board Removal .............................................
20
2-6.
H3 and H4 Board Removal ................................
20
2-7.
H5 Board Removal .............................................
21
2-8.
F Board Removal ................................................
21
2-9.
A5 Board Removal .............................................
22
2-10. N Board Removal ...............................................
22
2-11. NP4 Board Removal ...........................................
23
2-12. G1 and G2N Board Removal .............................
23
2-13. Woofer Removal .................................................
24
2-14. Bracket Removal .................................................
24
3. SET-UP ADJUSTMENTS
3-1.
How to enter Service Mode ...............................
25
3-2.
Signal Level Adjustment ....................................
25
3-2-1. Check AD (CCPX case)
Calibration Registration Items ........................
25
3-2-2. Y Signal AD Calibration
of CCPX Decode .............................................
25
3-2-3. C Signal AD Calibration
of CCPX Decode .............................................
25
3-2-4. Check AD (Component case)
Calibration Registration Items ........................
26
3-2-5. Y Signal AD Calibration
of Component Input .........................................
26
3-2-6. C Signal AD Calibration
of Component Input .........................................
26
3-3.
White Balance Adjustment .................................
26
3-3-1. White Balance of Colour
Temperature “Cool” ........................................
26
3-3-2. White Balance of Colour
Temperature “Neutral” ....................................
27
3-3-3. White Balance of Colour
Temperature “Warm” ......................................
27
3-4.
Panel Replacement .............................................
27
3-5.
Board Replacement ............................................
27
3-5-1. P Board Replacement ......................................
27
3-5-2. BN Board Replacement ...................................
27
3-5-3. A5 Board Replacement ....................................
27
3-5-4. G1 Board Replacement ....................................
27
3-5-5. G2N Board Replacement .................................
27
4. DIAGRAMS
4-1. Block Diagrams (1) ............................................
32
Block Diagrams (2) ............................................
33
Block Diagrams (3) ............................................ 3
4
Block Diagrams (4) ............................................ 3
5
4-2. Circuit Board Location ........................................ 3
5
4-3.
Schematic Diagrams and Printed Wiring
Boards ................................................................. 3
5
A5 Board Schematic Diagram ............................ 3
6
A5 Board Printed Wiring Board .......................
41
G1 Board Schematic Diagram ............................ 4
4
G1 Board Printed Wiring Board ....................... 4
6
G2N Board Schematic Diagram ......................... 4
8
G2N Board Printed Wiring Board ....................
50
N Board Schematic Diagram ..............................
53
N Board Printed Wiring Board .........................
61
H1 Board Schematic Diagram ............................
62
H1 Board Printed Wiring Board .......................
63
H2 Board Schematic Diagram ............................
62
H2 Board Printed Wiring Board .......................
63
H4 Board Schematic Diagram ............................
62
H4 Board Printed Wiring Board .......................
63
H5 Board Schematic Diagram ............................
62
H5 Board Printed Wiring Board .......................
63
F Board Schematic Diagram ............................... 6
4
F Board Printed Wiring Board ......................... 6
5
H3 Board Schematic Diagram ............................ 6
4
H3 Board Printed Wiring Board ....................... 6
5
NP4 Board Schematic Diagram .......................... 6
6
NP4 Board Printed Wiring Board .................... 6
7
4-4. Semiconductors .................................................. 6
8
5. EXPLODED VIEWS
5-1. Chassis ................................................................ 6
9
5-2. Chassis (Cont) ....................................................
70
5-3. Rear Cover and Stand .........................................
71
6. ELECTRICAL PARTS LIST ..................................
72
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED
ON
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.
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.
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.
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
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