Read Sony KP-FX43N90 Service Manual online
SERVICE MANUAL
MODEL
COMMANDER
DEST. CHASSIS NO.
CHASSIS
MODEL
COMMANDER
DEST. CHASSIS NO.
AG-3X
PROJECTION TV
KP-FX43N90
RM-1004
WB
SCC-M06A-A
RM-1004
KP-FX43N90
– 2 –
KP-FX43N90
RM-1004
CAUTION
SHORT CIRCUIT THE ANODE OF THE 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.
– 3 –
KP-FX43N90
RM-1004
1. SELF DIAGNOSIS FUNCTION
1-1.
Diagnostic Test Indicators .................................
5
1-2.
Display of STANDBY/TIMER
Light Flash Count ...............................................
6
1-3.
Stopping the STANDBY/TIMER Flash ............
6
1-4.
Self-Diagnostic Screen Display .........................
7
1-5.
Handling of Self-Diagnostic
Screen Display ....................................................
7
1-6.
Self-Diagnostic Circuit ......................................
8
2. DISASSEMBLY
2-1.
Rear Cover Removal .........................................
9
2-2.
Main Bracket Removal .....................................
9
2-3.
Service Position .................................................
9
2-4.
Front Panel Removal .........................................
10
2-5.
H1, H2, and H3 Boards Removal .....................
10
2-6.
Beznet and Mirror Cover Removal ...................
11
2-7.
Main Bracket Removal ......................................
11
2-8.
G Board Removal ...............................................
12
2-9.
Terminal Bracket Removal ................................
12
2-10. J Board Removal ................................................
13
2-11. A1, E, and B4 Boards Removal .........................
13
2-12. A, AD, and D Boards Removal .........................
14
2-13. Picture Tube Removal ........................................
14
2-14. High-Voltage and Cable Installation Removal ..
15
2-15. Mechaseal ...........................................................
15
3. SET-UP ADJUSTMENTS
3-1.
Screen Voltage Adjustment
(Rough Alignment) ...........................................
16
3-2.
Screen (G2) Adjustment ....................................
16
3-3.
Focus Rough Adjustment ..................................
16
2-4.
Deflection Yoke Tilt Adjustment ......................
16
3-5.
2-Pole Magnet Adjustment ................................
17
3-6.
Center Magnet Adjustment ................................
17
3-7.
4-Pole Magnet Adjustment ................................
17
3-8.
Blue Defocus Adjustment ..................................
17
3-9.
Green, Red, and Blue Focus Adjustment
3-9-1. Green, Red, and Blue Lens Focus
Adjustment ....................................................
17
3-9-2. Green and Red Dot/Hatch Electrical Focus
Adjustment ....................................................
17
3-10. Adjustment with Commander ............................
18
3-10-1. How to Select Each Mode .............................
18
-
3-10-2. How to Enter Service Mode ..........................
18
3-10-3. Method of Cancellation from
Service Mode .................................................
19
3-10-4. How to Adjustments ......................................
19
3-10-5. How to Write the Data ...................................
19
3-10-6. Memory Write Confirmation Method ...........
19
TABLE OF CONTENTS
3-11. Service List .........................................................
20
3-12. Registration Adjustment
3-12-1. Adjustment Flow ............................................
48
3-12-2. Setup for Adjustment .....................................
48
3-12-3. Method of Main Deflection Adjustment .......
48
3-12-4. Operation Method
for Projector Engine (PJE) Mode ..................
49
3-12-5. Method of Projector Engine Adjustment
(Sub Deflection Adjustment) .........................
50
3-13. Auto Convergence Setting .................................
53
3-14. Blue Offset Adjustment ......................................
53
3-15. White Balance Adjustment ................................
53
3-16. Auto Convergence Error Code List ...................
54
4. SAFETY RELATED ADJUSTMENT
4-1.
HV Regulation Adjustment ...............................
55
4-2.
HV Hold-Down Adjustment .............................
55
4-3.
+B Max Voltage Confirmation .........................
55
4-4.
+B OVP Voltage Confirmation ........................
55
5. ELECTRICAL ADJUSTMENTS
5-1.
Picture Quality Adjustment
5-1-1. Preparation .....................................................
56
5-1-2. NTSC Video Input .........................................
57
5-1-3. NTSC RF Input ..............................................
57
5-2.
Color Offset ........................................................
58
6. DIAGRAMS
6-1.
Block Diagrams ..................................................
59
6-2.
Frame Schematic Diagram .................................
75
6-3.
Circuit Boards Location .....................................
77
6-4.
Schematic Diagrams and Printed Wiring Boards
78
(1)
A Board .........................................................
79
(2)
A1 Board .......................................................
89
(3)
AD Board ......................................................
93
(4)
B4 Board ....................................................... 105
(5)
CR,CG and CB Boards ................................. 121
(6)
D Board ......................................................... 127
(7)
E Board .......................................................... 137
(8)
G Board ......................................................... 141
(9)
H1,H2 and H3 Boards ................................... 145
(10)
J Board .......................................................... 149
(11)
SR and VM Boards ....................................... 165
6-5.
Semiconductors .................................................. 167
Section
Title
Page
Section
Title
Page
– 4 –
KP-FX43N90
RM-1004
Section
Title
Page
7. EXPLODED VIEWS
7-1.
Front Panel Block ............................................. 169
7-2.
Cabinet Block ................................................... 170
7-3.
Bezel and Mirror Cover Block ........................... 171
7-4.
Main Braket and Picture Tube Block ................ 172
8. ELECTRICAL PARTS LIST
............................ 173