Read Sony KF-50SX300 / KF-50SX300K / KF-50SX300U / KF-60SX300 / KF-60SX300K / KF-60SX300U Service Manual online
- 1 -
KF-50/60SX300
RM-906
SERVICE MANUAL
LE-4A
CHASSIS
MODEL
COMMANDER
DEST
CHASSIS NO.
KF-50SX300
RM-906
AEP
SCC-R01A-A
KF-50SX300K
RM-906
OIRT
SCC-R03A-A
KF-50SX300U
RM-906
UK
SCC-R02B-A
MODEL
COMMANDER
DEST
CHASSIS NO.
KF-60SX300
RM-906
AEP
SCC-R01B-A
KF-60SX300K
RM-906
OIRT
SCC-R03B-A
KF-60SX300U
RM-906
UK
SCC-R02A-A
RM-906
KF-50/60SX300
LCD PROJECTION TV
- 2 -
KF-50/60SX300
RM-906
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Caution ................................................................
3
Specifications ......................................................
4
Connectors ..........................................................
5
1. SELF DIAGNOSIS FUNCTION
LE-4A Self Diagnostic Software ........................
6
2. GENERAL
...................................................................
7
3. DISASSEMBLY
3-1.
Rear Cover Removal ..........................................
21
3-2. Centre Pillar Removal ........................................ 21
3-3.
Service Position .................................................
21
3-4.
Chassis, Optical Unit, DC Fan Removal ...........
21
3-5.
Power Block Removal .......................................
22
3-6.
H1 Board Removal ............................................
22
3-7.
H2 Board Removal .............................................
22
3-8.
H3 Board Removal .............................................
22
3-9.
A Board Removal ...............................................
23
3-10. G Board Removal ...............................................
23
3-11. T Board Removal ................................................
23
3-12. Front Panel Removal ..........................................
23
3-13. Front Cover Removal .........................................
24
3-14. Control Panel Removal .......................................
24
3-15. Screen, Mirror Block Assembly Removal ..........
24
3-16. Mirror Cover Block Assembly Removal ............
25
3-17. Contrast Screen, Diffusion Plate Removal .........
25
3-18. Woofer Block Assembly Removal .....................
26
3-19. Speaker Removal ................................................
26
3-20. Mirror Removal ..................................................
26
4. ELECTRICAL ADJUSTMENTS
4-1.
Adjustments with Commander ...........................
27
4-1-1. How to Select Each Mode ..............................
27
4-1-2. Programming the Remote Commander
for Operation in Service Mode .......................
27
4-1-3. Setting the TV into Service Mode ..................
27
4-1-4. Screen Display for Service Menu ..................
27
4-1-5. Operation Method for Adjustments ...............
29
4-2. Screen Centre Adjustment .................................. 29
4-3.
Test Test Mode ...................................................
29
5. DIAGRAMS
5-1.
Block Diagram (1) ..............................................
31
Block Diagram (2) ..............................................
32
Block Diagram (3) ..............................................
33
Block Diagram (4) ..............................................
34
5-2.
Circuit Boards Location ......................................
34
5-3.
Schematic Diagrams and Printed Wiring
Boards .................................................................
34
A Board Schematic Diagram ..............................
35
A Printed Wiring Board ....................................
38
B Board Schematic Diagram ...............................
39
B Printed Wiring Board ....................................
42
C Board Schematic Diagram ...............................
43
C Printed Wiring Board ....................................
47
J Board Schematic Diagram ................................
49
J Printed Wiring Board .....................................
50
G Board Schematic Diagram ..............................
51
G Printed Wiring Board ....................................
52
H1 Schematic Diagram .......................................
53
H1 Printed Wiring Board ..................................
52
H2 Board Schematic Diagram ............................
53
H2 Printed Wiring Board ..................................
52
H3 Board Schematic Diagram ............................
53
H3 Printed Wiring Board ..................................
52
T Board Schematic Diagram .............................
53
T Printed Wiring Board ....................................
52
5-4.
Semiconductors ..................................................
54
5-5.
IC Block Diagrams .............................................
56
6. EXPLODED VIEWS
6-1.
Screen and Cover Block ...................................
58
6-2.
Cabinet Block ......................................................
59
6-3.
Main Bracket Block ............................................
60
6-4.
Picture Tube Block .............................................
61
7. ELECTRICAL PARTS LIST
..................................
62
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 -
KF-50/60SX300
RM-906
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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