Read Sony KP-FW46M91 Service Manual online
– 3 –
KP-FW46M91
RM-1015
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 BOARD REMOVAL ............................
9
2-2.
MAIN BRACKET REMOVAL .......................
9
2-3.
SERVICE POSITION ........................................
9
2-4.
FRONT PANEL, BEZNET AND MIRROR
COVER REMOVAL ..........................................
10
2-5.
HA, HC AND HMG BOARDS REMOVAL ....
10
2-6.
HB2 BOARD REMOVAL .................................
11
2-7.
TERMINAL BRACKET
AND T BOARD REMOVAL ............................
11
2-8.
UG BOARD REMOVAL .................................
12
2-9.
BM, DS, MG AND MS2 BOARDS
REMOVAL ........................................................
12
2-10. A, D AND G1 BOARDS REMOVAL ..............
13
2-11. PICTURE TUBE AND PWB BLOCK
REMOVAL ........................................................
13
2-12. HIGH-VOLTAGE CABLE INSTALLATION
AND REMOVAL ...............................................
14
2-13. MECHASEAL ....................................................
14
3. SET-UP ADJUSTMENTS
3-1.
SCREEN VOLTAGE ADJUSTMENT
(ROUGH ALIGNMENT) ................................
15
3-2.
SCREEN (G2) ADJUSTMENT
(FINE ADJUSTMENT) .....................................
15
3-3.
FOCUS ROUGH ADJUSTMENT ....................
15
3-4.
DEFLECTION YOKE TILT ADJUSTMENT ..
15
3-5.
2-POLE and 4-POLE MAGNET
ADJUSTMENT ..................................................
16
3-5-1. Adjustment of 2-pole magnets .......................
16
3-5-2. Green, Red, Blue adjustment of
4-pole magnets ...............................................
16
3-5-3. Blue left side dot adjustment of
2-pole Magnets ...............................................
16
3-6.
BLUE DEFOCUS ADJUSTMENT ...................
16
3-7.
GREEN, RED AND BLUE FOCUS
ADJUSTMENT ..................................................
16
3-7-1. Green, Red and Blue lens focus adjustment ....
16
3-7-2. Green and Red electrical focus adjustment .....
16
3-8.
ADJUSTMENTS WITH COMMANDER ........
17
3-8-1. How to Select Each Mode .............................
17
TABLE OF CONTENTS
3-8-2. How to Enter Service Mode ..........................
17
3-8-3. Method of Cancellation from Service Mode .
18
3-8-4. How to Adjustments ......................................
18
3-8-5. How to Write the Data ...................................
18
3-8-6. Memory Write Confirmation Method ...........
18
3-9. SERVICE LIST ..................................................
19
3-10. Registration Adjustment ....................................
68
3-10-1.Adjustment Flow ............................................
68
3-10-2.Setup for Adjustment .....................................
68
3-10-3.Method of Main Deflection Adjustment .......
68
3-10-4.Operation Method for Projector
Engine(PJE) Mode .........................................
69
3-10-5.Method of Projector Engine Adjustment .......
70
3-11. Auto Convergence Setting .................................
74
3-12. Blue Offset Adjustment ......................................
74
3-13. White Balance Adjustment ................................
74
3-14. Auto Convergence Error Code List ...................
75
4. ADJUSTMENT
4-1.
HV Regulation Adjustment ...............................
76
4-2.
+B Max Voltage Confirmation .........................
76
4-3.
+B OVP Confirmation ......................................
76
5. ELECTRICAL ADJUSTMENTS
5-1.
Picture Quality Adjustment ................................
77
5-1-1. Preparation .....................................................
77
5-1-2. NTSC Video Input (Main Picture) ................
78
5-1-3. NTSC RF Input (Main Picture) .....................
78
5-1-4. NTSC Video Input (Sub Picture) ..................
79
5-1-5. NTSC RF Input (Sub Picture) .......................
80
5-1-6. PAL Video Input (Main Picture) ...................
80
5-1-7. PAL RF Input (Main Picture) ........................
81
5-1-8. PAL Video Input (Sub Picture) .....................
81
5-1-9. PAL RF Input (Sub Picture) ..........................
82
6. DIAGRAMS
6-1.
BLOCK DIAGRAMS ........................................
83
6-2.
FRAME SCHEMATIC DIAGRAM ..................
94
6-3.
CIRCUIT BOARDS LOCATION .....................
95
6-4.
SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS ........................
95
(1)
Schematic Diagrams of A Board ...................
96
(2)
Schematic Diagram of AD Board .................. 100
(3)
Schematic Diagrams of BM Board ................ 102
(4)
Schematic Diagram of CR Board .................. 107
(5)
Schematic Diagram of CB Board .................. 108
(6)
Schematic Diagram of CG Board .................. 109
(7)
Schematic Diagrams of D Board ................... 110
(8)
Schematic Diagram of DS Board .................. 114
(9)
Schematic Diagram of G1 Board .................. 116
(10)
Schematic Diagram of HA and HB2 Boards
117
Section
Title
Page
Section
Title
Page
Click on the first or last page to see other KP-FW46M91 service manuals if exist.