Read Sony KDF-E42A12U / KDF-E50A12U Service Manual online
- 1 -
KDF-E42/50A12U
RM-ED002
SERVICE MANUAL
LE-4B
CHASSIS
MODEL
COMMANDER
DEST
KDF-E42A12U
RM-ED002
UK
RM-ED002
KDF-E42/50A12U
LCD PROJECTION TV
MODEL
COMMANDER
DEST
KDF-E
50A12U
RM-ED002 UK
- 2 -
KDF-E42/50A12U
RM-ED002
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Caution ................................................................
3
Specifications ......................................................
4
Connectors ..........................................................
5
1. SELF DIAGNOSIS FUNCTION
LE-4B Self Diagnostic Software ........................
6
2. GENERAL ...................................................................
8
3. DISASSEMBLY
3-1.
Rear Cover Removal ..........................................
22
3-2.
Pillar Removal ....................................................
22
3-3.
Main Bracket Cover Removal ............................
22
3-4.
Main Bracket Removal ......................................
22
3-5.
Service Position .................................................
23
3-6. N, JB, AG Boards ............................................. 23
3-7.
Power Block Removal ........................................
23
3-8.
Optical Unit .........................................................
23
3-9.
C Board Removal ................................................
24
3-10. Screen, Mirror Block Assembly Removal ..........
24
3-11. Mirror Cover Block Assembly Removal ............
25
3-12. Contrast Screen, Diffusion Plate Removal .........
25
3-13. Mirror Removal ..................................................
26
3-14. H3 Removal ........................................................
26
3-15. Speaker Removal ................................................
26
4. SET-UP ADJUSTMENTS
4-1.
Signal Adjustment ..............................................
27
4-1-1. PAL Auto adjustment (CVBS) ......................
27
4-1-2. PAL Auto adjustment (RGB) .........................
27
4-1-3. SECAM Auto adjustment (CVBS) ................
27
4-2.
White Balance Adjustment ..................................
27
4-2-1. White Balance Adjustment (H/L) ...................
27
4-2-2. White Balance Adjustment (C/O) ...................
28
4-2-3. SECAM White Balance Adjustment (H/L) ....
28
4-2-4. SECAM White Balance Adjustment (C/O) ....
29
4-3.
Test Test Mode ...................................................
29
5. DIAGRAMS
5-1.
Block Diagram (1) ..............................................
30
Block Diagram (2) ..............................................
31
Block Diagram (3) ..............................................
32
Block Diagram (4) ..............................................
33
Block Diagram (5) ..............................................
34
Block Diagram (6) ..............................................
35
Block Diagram (7) ..............................................
36
Block Diagram (8) ..............................................
37
5-2.
Circuit Boards Location ......................................
37
5-3.
Schematic Diagrams and Printed Wiring
Boards .................................................................
37
AG Board Schematic Diagram ...........................
38
AG Printed Wiring Board .................................
41
C Board Schematic Diagram ...............................
43
C Printed Wiring Board ....................................
47
JB Board Schematic Diagram .............................
48
JB Printed Wiring Board ..................................
57
H1 Schematic Diagram .......................................
59
H1 Printed Wiring Board ..................................
60
H2 Board Schematic Diagram ............................
59
H2 Printed Wiring Board ..................................
60
H3 Board Schematic Diagram ............................
59
H3 Printed Wiring Board ..................................
60
T1 Board Schematic Diagram ...........................
59
T1 Printed Wiring Board ..................................
60
T2 Board Schematic Diagram ...........................
59
T2 Printed Wiring Board ..................................
60
N Board Schematic Diagram ..............................
61
N Printed Wiring Board ....................................
68
5-4.
Semiconductors ..................................................
69
6. EXPLODED VIEWS
6-1.
Screen Mirror Block, Covers ...........................
71
6-2. Chassis/Bottom Block Assembly ....................... 72
6-3.
Lamp Duct Assembly, Optics Unit Block ..........
73
7. ELECTRICAL PARTS LIST ..................................
74
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 -
KDF-E42/50A12U
RM-ED002
The circuit boards used in these models 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.
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.
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.
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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- 4 -
KDF-E42/50A12U
RM-ED002
How to replace the fuse.
Open the fuse compartment with
a screwdriver blade and replace
the fuse.
Open the fuse compartment with
a screwdriver blade and replace
the fuse.
FUSE
WARNING (UK Models only)
The flexible mains lead is supplied connected to a B.S. 1363 fused
plug having a fuse of 5 AMP rating. Should the fuse need to be
replaced, use a 5AMP FUSE approved by ASTA to BS 1362, ie one
that carries the
plug having a fuse of 5 AMP rating. Should the fuse need to be
replaced, use a 5AMP FUSE approved by ASTA to BS 1362, ie one
that carries the
ASA
T
mark.
IF THE PLUG SUPPLIED WITH THIS APPLIANCE IS NOT SUIT-
ABLE FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD
BE CUT OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG
SEVERED FROM THE MAINS LEAD MUST BE DESTROYED AS A
PLUG WITH BARED WIRES IS DANGEROUS IF ENGAGED IN A
LIVE SOCKET.
ABLE FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD
BE CUT OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG
SEVERED FROM THE MAINS LEAD MUST BE DESTROYED AS A
PLUG WITH BARED WIRES IS DANGEROUS IF ENGAGED IN A
LIVE SOCKET.
When an alternative type of plug is used, it should be fitted with a
5 AMP FUSE, otherwise the circuit should be protected by a 5AMP
FUSE at the distribution board.
5 AMP FUSE, otherwise the circuit should be protected by a 5AMP
FUSE at the distribution board.
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