Read Sony KDE-W50A12U / KE-W50A10E Service Manual online
- 1 -
AT2X
RM-EA001 / RM-ED001
SERVICE MANUAL
AT2X
CHASSIS
MODEL
COMMANDER
DEST
KE-W50A10E
RM-EA001
AEP
MODEL
COMMANDER
DEST
KDE-W50A12U
RM-ED001
UK
RM-ED001
FLAT PANEL COLOR TV
KE-W50A10E / KDE-W50A12U
RM-EA001
- 2 -
AT2X
RM-EA001/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) ............................................
28
Block Diagrams (2) ............................................
29
Block Diagrams (3) ............................................
30
Block Diagrams (4) ............................................
31
4-2.
Circuit Board Location ........................................
31
4-3.
Schematic Diagrams and Printed Wiring
Boards .................................................................
31
A5 Board Schematic Diagram ............................
32
A5 Board Printed Wiring Board .......................
37
G1 Board Schematic Diagram ............................
40
G1 Board Printed Wiring Board .......................
42
G2N Board Schematic Diagram .........................
44
G2N Board Printed Wiring Board ....................
46
N Board Schematic Diagram ..............................
49
N Board Printed Wiring Board .........................
57
H1 Board Schematic Diagram ............................
58
H1 Board Printed Wiring Board .......................
59
H2 Board Schematic Diagram ............................
58
H2 Board Printed Wiring Board .......................
59
H4 Board Schematic Diagram ............................
58
H4 Board Printed Wiring Board .......................
59
H5 Board Schematic Diagram ............................
58
H5 Board Printed Wiring Board .......................
59
F Board Schematic Diagram ...............................
60
F Board Printed Wiring Board .........................
61
H3 Board Schematic Diagram ............................
60
H3 Board Printed Wiring Board .......................
61
NP4 Board Schematic Diagram ..........................
62
NP4 Board Printed Wiring Board ....................
63
4-4.
Semiconductors ..................................................
64
5. EXPLODED VIEWS
5-1.
Chassis ................................................................
65
5-2.
Chassis (Cont) ....................................................
66
5-3.
Rear Cover and Stand .........................................
67
6. ELECTRICAL PARTS LIST .................................. 68
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.
- 3 -
AT2X
RM-EA001 / RM-ED001
WARNING
Rear Cover : X-2024-835-
Please ensure when removing or replacing the rear cover, you pay particular attention for any sharp edges
on the rear cover, in the areas highlighted in the photograph below!
on the rear cover, in the areas highlighted in the photograph below!
- 4 -
AT2X
RM-EA001 / RM-ED001
The circuit boards listed below [Table 1] used in these models
may have been processed using Lead Free Solder. The boards are
identified by the LF logo located close to the board designation
e.g. F1, H1 etc [ see examples ]. The servicing of these boards
requires special precautions to be taken as outlined below.
may have been processed using Lead Free Solder. The boards are
identified by the LF logo located close to the board designation
e.g. F1, H1 etc [ see examples ]. The servicing of these boards
requires special precautions to be taken as outlined below.
Table 1
CAUTION
Lead Free Soldered Boards
Example 1
Example 2
It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints. Lead Free Solder is
available under the following part numbers :
available under the following part numbers :
Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This
requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com
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