Sony KF-50SX100HK / KF-50SX100MN Service Manual ▷ View online
CHASSIS
LE-3
SERVICE MANUAL
MODEL
COMMANDER DEST.
CHASSIS NO.
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LCD PROJECTION TV
KF-50SX100HK
RM-903
Hong Kong
SCC-P77A-A
KF-50SX100MN
RM-903
Singapole
SCC-P78A-A
KF-50SX100HK/50SX100MN
RM-903
RM 903
PROGR
MENU
1
4
7
2
5
8
0
3
6
9
VIDEO
TV
SONY
OK
TV
– 2 –
KF-50SX100HK/50SX100MN
K
RM-903
SPECIFICATIONS
– 3 –
KF-50SX100HK/50SX100MN
K
RM-903
1. SELF DIAGNOSIS FUNCTION
1-1.
LE-3 Serf Diagnostic Software ..........................
5
1-2.
Error Detection Monitor .....................................
6
1-2-1. Error Monitor Menu .......................................
6
1-2-2. Error Reader Display .....................................
7
2. DISASSEMBLY
2-1.
Rear Cover Assembly .......................................
8
2-2.
Service Position .................................................
8
2-3.
OU Bracket Removal ........................................
8
2-4.
Duct Block Assembly .......................................
8
2-5.
Power Block ......................................................
9
2-6.
Optical Unit Block Assembly ............................
9
2-7.
J Board Removal ................................................
10
2-8.
M, BD, S, N Boards Removal ............................
10
2-9.
T Board Removal ...............................................
10
2-10. A Board Removal ...............................................
10
2-11. G Block Assembly Removal ..............................
11
2-12. G Board Removal ...............................................
11
2-13. Front Covers Removal .......................................
11
2-14. Control Panel Block Assembly Removal ..........
11
2-15. H4 Board Removal .............................................
12
2-16. H2 Board Removal .............................................
12
2-17. Screen, Mirror Block Assembly ........................
12
2-18. Mirror Cover Block Assembly Removal ...........
12
2-19. Contrast Screen, Diffusion Plates Removal ......
13
2-20. Squawker Block Assemblies, Woofer Block
Assembly Removal ............................................
13
2-21. Speakers Removal ..............................................
14
2-22. Mirror Removal ..................................................
14
2-23. H1 Board Removal .............................................
14
3. ELECTRICAL ADJUSTMENTS
3-1.
Adjustment With Commander ...........................
15
3-1-1. How to Enter TT Mode .................................
15
3-1-2. How to Enter Service Menu .........................
15
3-1-3. Screen Display for Service Menu .................
15
3-1-4. Service List (Projector Engine) ....................
20
3-2.
LCD Projector Engine .......................................
27
3-2-1. Operation Method for Projector
Engine Mode .................................................
27
3-3.
Sub Colour Adjustment .....................................
27
3-4.
RGB Output Level Adjustment .........................
28
3-5.
Vertical Stripe Adjustment .................................
28
3-6.
Sub Bright Adjustment .......................................
29
3-7.
Screen Center Adjustment .................................
29
3-8.
Test-Test Mode ...................................................
29
TABLE OF CONTENTS
4. DIAGRAMS
4-1.
Block Diagram (1) ..............................................
31
Block Diagram (2) ..............................................
32
Block Diagram (3) ..............................................
33
Block Diagram (4) ..............................................
34
Block Diagram (5) ..............................................
35
Block Diagram (6) ..............................................
36
Block Diagram (7) ..............................................
37
Block Diagram (8) ..............................................
38
4-2.
Frame Schematic Diagram .................................
39
4-3.
Circuit Boards Location .....................................
40
4-4.
Schematic Diagrams and Printed Wiring
Boards .................................................................
40
(1)
Schematic Diagram of A (1/4) Board ................
41
(2)
Schematic Diagram of A (2/4) Board ...............
42
(3)
Schematic Diagram of A (3/4) Board ...............
43
(4)
Schematic Diagram of A (4/4) Board ................
44
(5)
Schematic Diagram of BB (1/6) Board .............
45
(6)
Schematic Diagram of BB (2/6) Board .............
46
(7)
Schematic Diagram of BB (3/6) Board .............
47
(8)
Schematic Diagram of BB (4/6) Board .............
48
(9)
Schematic Diagram of BB (5/6) Board .............
49
(10) Schematic Diagram of BB (6/6) Board .............
50
(11) Schematic Diagram of G Board .........................
51
(12) Schematic Diagrams of H1, H2, H4
and T Boards ......................................................
52
(13) Schematic Diagram of J (1/5) Board .................
53
(14) Schematic Diagram of J (2/5) Board .................
54
(15) Schematic Diagram of J (3/5) Board .................
55
(16) Schematic Diagram of J (4/5) Board .................
56
(17) Schematic Diagram of J (5/5) Board .................
57
(18) Schematic Diagram of M (1/3) Board ...............
58
(19) Schematic Diagram of M (2/3) Board ...............
59
(20) Schematic Diagram of M (3/3) Board ...............
60
(21) Schematic Diagram of N Board .........................
61
(22) Schematic Diagram of S Board ..........................
62
Printed Wiring Boards
• A Board ............................................................
63
• BB Board ..........................................................
65
• G Board ............................................................
67
• H1, H2, H4 and T Boards ................................
69
• J Board .............................................................
70
• M Board ...........................................................
71
• N Board ............................................................
72
• S Board .............................................................
73
4-5
Waveforms .........................................................
74
4-6
IC Block Diagrams .............................................
76
4-7
Semiconductors ..................................................
77
Section
Title
Page
Section
Title
Page
– 4 –
KF-50SX100HK/50SX100MN
K
RM-903
Section
Title
Page
5. EXPLODED VIEWS
5-1.
Mirror Section ...................................................
79
5-2.
Screen Section ...................................................
80
5-3.
Cabinet Section ...................................................
81
5-4.
Optical Unit Section ...........................................
82
5-5.
Chassis Section ...................................................
83
6. ELECTRICAL PARTS LIST
............................
84
CAUTION
SHORT CIRCUIT THE ANODE OF HTE PICTURE TUBE
AND THE ANODE CAP TO THE METAL CHASSIS, CRT
SHIELD, OR CARBON PAINTED ON THE CRT, AFTER
REMOVING THE ANODE.
AND THE ANODE CAP TO THE METAL CHASSIS, CRT
SHIELD, OR CARBON PAINTED ON THE CRT, AFTER
REMOVING THE ANODE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
!
ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS AND IN THE PARTS LIST ARE CRITICAL TO
SAFE OPERATION. REPLACE THESE COMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS AP-
PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY.
SAFE OPERATION. REPLACE THESE COMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS AP-
PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY.