KF-50SX200, KF-50SX200K, KF-50SX200U - Sony TV Service Manual (repair manual)

kf-50sx200, kf-50sx200k, kf-50sx200u service manual
Model
KF-50SX200 KF-50SX200K KF-50SX200U
Pages
127
Size
30.3 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kf-50sx200-kf-50sx200k-kf-50sx200u.pdf
Date

Read Sony KF-50SX200 / KF-50SX200K / KF-50SX200U Service Manual online

CHASSIS
LE-3A
SERVICE MANUAL
MODEL
COMMANDER DEST.
––––––––
 –––––––––––––– ––––––
LCD PROJECTION TV
KF-50SX200
RM-905
AEP
KF-50SX200K
RM-905
OIRT
KF-50SX200U
RM-905
UK
PROG
MENU
TV
MO
DE
REC
VCR
DVD
RM-905
OK
TV
– 2 –
KF-50SX200/50SX200K/50SX200U
K
RM-905
SPECIFICATIONS
TV system
B/G/H, D/K, I, L
Colour system
PAL, SECAM
NTSC 3.58, 4.43 (only Video In)
Channel coverage
VHF:
E2-E12
UHF:
E21-E69
CATV: S1-S20
HYPER: S21-S41
D/K:
R1-R12, R21-R69
I:
UHF B21-B69
L:
F2-F10, B-Q, F21-F69
Projected picture size
50 inches (approx. 127 cm measured diagonally).
Rear Terminals
• 
Centre speaker input terminals (2 
terminals)
• 
(L, R) audio outputs (phono jacks)
• :1/        1
21-pin Euro connector (CENELEC 
standard) including TV audio/video 
input, RGB input, TV audio/video 
output.
• :2/        2
21-pin Euro connector (CENELEC
 
  
 
standard) including audio/video 
input, RGB input, audio/video 
output (monitor out).
• :3/q 3
21-pin Euro connector (CENELEC 
 
  (SMARTLINK)
standard) including audio/video 
input, S video input, selectable 
audio/video output and Smartlink 
interface.
Front Terminals
•  q 4   S video input - 4 pin DIN
•  … 4   video input - phono jack
•   
4   audio inputs - phono jacks
• 
Headphones jack - minijack stereo
Sound output
2 x 20 W (music power)
2 x 15 W (RMS)
Centre SP input
30 W (RMS) (using as the centre speaker)
Power consumption
210 W
Standby Power consumption
 1 W
Dimensions (w x h x d)
Approx. 1376 x 898 x 384 mm
Weight
Approx. 43 kg
Accessories supplied
1 Remote Control (RM-905)
2 Batteries (IEC designated, AAA size)
1 Hexagon key
2 Brackets
2 Screws
1 Cleaning Cloth
Other features
• Digital Comb filter (High resolution)
• TELETEXT, Fastext, TOPtext (2000 page TEXT memory)
• NexTView
• NICAM
• Sleep Timer
• Smartlink
• Noise Reduction
• Graphic Equaliser
• Personal ID
• Dolby Virtual
• BBE
Design and specifications are subject to change without notice.
Ecological Paper - Totally Chlorine Free 
C
 
– 3 –
KF-50SX200/50SX200K/50SX200U
K
RM-905
1. SELF  DIAGNOSIS  FUNCTION
1-1.
LE-3A Self 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 Select Each Mode .............................
15
3-1-2. How to Enter TT Mode .................................
15
3-1-3. How to Enter Service Menu .........................
15
3-1-4. Screen Display for Service Menu .................
16
3-1-5. 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
3-7-1. Horizontal center adjustment ........................
29
3-7-2. Vertical 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-50SX200/50SX200K/50SX200U
K
RM-905
Section
Title
Page
5. EXPLODED  VIEWS
5-1.
Mirror Section ...................................................
79
5-2.
Screen Section ...................................................
80
5-3.
Cabinet Section ...................................................
81
5-4.
Chassis Section ...................................................
82
5-5.
Optical Unit Section ...........................................
83
6. ELECTRICAL  PARTS  LIST
............................
84
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.
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Here you can read online and download Sony KF-50SX200 / KF-50SX200K / KF-50SX200U Service Manual in PDF. KF-50SX200 / KF-50SX200K / KF-50SX200U service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony KF-50SX200 / KF-50SX200K / KF-50SX200U TV. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.