Sony KF-50DX200K / KF-60DX200K Service Manual ▷ View online
CHASSIS
SERVICE MANUAL
MODEL
COMMANDER
DEST. CHASSIS NO.
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MODEL
COMMANDER
DEST. CHASSIS NO.
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LA-1
KF-50DX200K
RM-Y910K
Korea
KF-60DX200K
RM-Y910K
Korea
LCD PROJECTION TV
KF-50/60DX200K
RM-Y910K
– 2 –
KF-50DX200K/60DX200K
K
RM-Y910K RM-Y910K
SPECIFICATIONS
Projection System
3 LCD Panels, 1 lens projection system
LCD Panel
1.35 inch TFT LCD panel Approx. 3.15 million dots (1,049,088 pixels)
Projection Lens
High Performance, large diameter hybrid lens F2.4
Antenna
75 ohm external terminal for VHF/UHF
Lamp
UHP lamp, 100W
XL-2000K
XL-2000K
Television System
NTSC, American TV Standard
Screen Size (measured diagonally)
KF-50DX200K : 50 inches, KF-60DX200K : 60 inches
Channel Coverage
VHF
2-13
UHF
14-69
CATV
1-125
Power Requirements
220V, 60 Hz
Number of Inputs/Outputs
Video (IN)
4
1 Vp-p, 75 ohms unbalanced, sync negative
S Video (IN)
3
Y: 1 Vp-p, 75 ohms unbalanced, sync negative
C: 0.286 Vp-p (Burst signal), 75 ohms
C: 0.286 Vp-p (Burst signal), 75 ohms
Audio (IN)
6
500 mVrms (100% modulation)
Impedance: 47 kiloohms
Impedance: 47 kiloohms
AUDIO (VAR/FIX)
1
500 mVrms at the maximum volume setting
(Variable)
500 mVrms (Fixed)
Impedance (output): 2 kiloohms
(Variable)
500 mVrms (Fixed)
Impedance (output): 2 kiloohms
TV Out
1
Video: 1 Vp-p 75 ohms unbalanced, Sync negative
Audio: 500 mVrms (100% modulation)
Impedance (output): 1 kiloohms
Audio: 500 mVrms (100% modulation)
Impedance (output): 1 kiloohms
CONTROL S (IN/OUT)
1
minijacks
Component Video Input
2 (Y, PB , PR )
Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative
PB : 0.7 Vp-p, 75 ohms
PR : 0.7 Vp-p, 75 ohms
PB : 0.7 Vp-p, 75 ohms
PR : 0.7 Vp-p, 75 ohms
RF Inputs
2
Converter
1
Speaker Output
15 W
× 2
Dimensions (W
× H × D)
KF-50DX200K :1,376
× 964 × 415 mm
KF-60DX200K :1,618
× 1,103 × 542 mm
Mass
KF-50DX200K : 50 kg, KF-60DX200K : 63 kg
Power Consumption
In Use
220 W
In Standby
Under 1 W
Supplied Accessories
Remote Control
RM-Y910K
AA Batteries
2 supplied for remote control
Cleaning Cloth
1
Hex key wrench
1
Brackets with screws
2
Optional Accessories
TV Stand
SU-60DXK
Lamp
XL-2000K
Design and specifications are subject to change without notice.
– 3 –
KF-50DX200K/60DX200K
K
RM-Y910K RM-Y910K
TABLE OF CONTENTS
Section
Title
Page
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Section
Title
Page
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1. SELF DIAGNOSIS FUNCTION
2. DISASSEMBLY
2-1.
Rear Cover Assembly .......................................
8
2-2.
OU Bracket Removal ........................................
8
2-3.
Power Block Removal ........................................
8
2-4.
Service Position .................................................
8
2-5.
Optical Unit Block Assembly Removal ............
9
2-6.
Terminal Board Assembly Removal ..................
9
2-7.
U, M, BB, BC Boards Removal .........................
10
2-8.
G Board Removal ...............................................
10
2-9.
A Board Removal ...............................................
11
2-10. T Board Removal ...............................................
11
2-11. Control Panel Block Assembly Removal ..........
11
2-12. H3 Board Removal .............................................
11
2-13. H2 Board Removal .............................................
12
2-14. Screen Mirror Block Assembly Removal ..........
12
2-15. H1 Board Removal .............................................
12
3. ELECTRICAL ADJUSTMENTS
3-1.
Electrical Adjustment by Remote Commander ....
13
3-1-1. Method of Setting the Service Adjustment
Mode ...............................................................
13
3-1-2. Service Mode Adjustment ............................
13
3-1-3. Memory Write Confirmation Method ..........
13
3-1-4. Adjusting Buttons and Indicator ...................
14
3-1-5. Service Mode List ..........................................
15
3-2.
Chassis Picture Quality Adjustment .................
36
3-2-1. White Level Adjustment ...............................
36
3-2-2. Sub Color/Sub Hue Adjustment ....................
37
3-2-3. Hi-Level/Cut-Off Adjustment .......................
39
3-3.
Vertical Stripe Adjustment ...............................
39
3-4.
Sub Bright Adjustment .......................................
40
3-5.
Screen Center Adjustment .................................
40
3-6.
Favorites Adjustment .........................................
40
4. DIAGRAMS
4-1.
Block Diagram (1) ..............................................
41
Block Diagram (2) ..............................................
42
Block Diagram (3) ..............................................
43
Block Diagram (4) ..............................................
44
Block Diagram (5) ..............................................
45
Block Diagram (6) ..............................................
46
Block Diagram (7) ..............................................
47
Block Diagram (8) ..............................................
48
4-2.
Frame Schematic Diagram .................................
49
4-3.
Circuit Boards Location .....................................
50
4-4.
Schematic Diagrams and Printed Wiring
Boards .................................................................
50
(1)
Schematic Diagram of A (1/3) Board ................
51
(2)
Schematic Diagram of A (2/3) Board ...............
52
(3)
Schematic Diagram of A (3/3) Board ...............
53
(4)
Schematic Diagram of BB (1/9) Board .............
54
(5)
Schematic Diagram of BB (2/9) Board .............
55
(6)
Schematic Diagram of BB (3/9) Board .............
56
(7)
Schematic Diagram of BB (4/9) Board .............
57
(8)
Schematic Diagram of BB (5/9) Board .............
58
(9)
Schematic Diagram of BB (6/9) Board .............
59
(10) Schematic Diagram of BB (7/9) Board .............
60
(11) Schematic Diagram of BB (8/9) Board .............
61
(12) Schematic Diagram of BB (9/9) Board .............
62
(13) Schematic Diagram of BC (1/3) Board .............
63
(14) Schematic Diagram of BC (2/3) Board .............
64
(15) Schematic Diagram of BC (3/3) Board .............
65
(16) Schematic Diagram of BC4 Board ....................
66
(17) Schematic Diagram of G Board .........................
67
(18) Schematic Diagrams of H1, H2, H3 and
T Boards .............................................................
68
(19) Schematic Diagram of M (1/3) Board ...............
69
(20) Schematic Diagram of M (2/3) Board ...............
70
(21) Schematic Diagram of M (3/3) Board ...............
71
(22) Schematic Diagram of U (1/3) Board ................
72
(23) Schematic Diagram of U (2/3) Board ................
73
(24) Schematic Diagram of U (3/3) Board ................
74
– 4 –
KF-50DX200K/60DX200K
K
RM-Y910K RM-Y910K
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK 0 ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRIT-
ICAL COMPONENTS ARE REPLACED OR IMPROPER OPER-
ATION IS SUSPECTED.
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRIT-
ICAL COMPONENTS ARE REPLACED OR IMPROPER OPER-
ATION IS SUSPECTED.
Printed Wiring Boards
• A Board ............................................................
75
• BB Board ..........................................................
77
• BC Board ..........................................................
79
• BC4 Board ........................................................
80
• G Board ............................................................
81
• H1 and T Boards ..............................................
83
• H2 Board ..........................................................
84
• H3 Board ..........................................................
85
• M Board ...........................................................
86
• U Board ............................................................
87
4-5
Waveforms .........................................................
89
4-6
IC Block Diagrams .............................................
91
4-7
Semiconductors ..................................................
93
5. EXPLODED VIEWS
5-1.
Screen Mirror Block Section ............................
94
5-2.
Cabinet Section ...................................................
95
5-3.
Main Section .......................................................
96
5-4.
Optical Unit Section ...........................................
97
6. ELECTRICAL PARTS LIST
............................
98
Section
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