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KP-44PX2/44PX2U
RM-938
TABLE OF CONTENTS
Section Title Page Section Title Page
Specifications ...................................................... 3
Connectors .......................................................... 4
1. SELF DIAGNOSIS FUNCTION
1-1. AE-6X Self Diagnostic Software ....................... 5
2. GENERAL ................................................................... 6
3. DISASSEMBLY
3-1. Rear Board Removal .......................................... 15
3-2. Main Bracket Block Removal ............................ 15
3-3. Service Position ................................................. 15
3-4. Front Panel Removal ......................................... 15
3-5. Resistor Assembly (Focus Pack) Removal ....... 16
3-6. H1 and H3 Board Removal ................................ 16
3-7. Beznet Block Removal ....................................... 17
3-8. High Voltage Cable Removal and Installation .... 17
3-9. AP and D Board Removal .................................. 17
3-10. Terminal Board Removal .................................... 18
3-11. G Board Removal ............................................... 18
3-12. A Board Removal ............................................... 19
3-13. Chassis Block Removal ...................................... 19
3-14. Picture Tube Removal ......................................... 19
4. SET-UP ADJUSTMENTS
4-1. Screen Voltage Adjustment
(Rough Alignment) ............................................ 20
4-2. Screen (G2) Adjustment .................................... 20
4-3. Focus Rough Adjustment .................................. 20
4-4. Deflection Yoke Tilt Adjustment ........................ 20
4-5. 2-Pole Magnet Adjustment ................................. 21
4-6. 4-Pole Magnet Adjustment ................................. 21
4-7. Green, Red and Blue Focus Adjustment ............ 21
5. SAFETY RELATED ADJUSTMENT
5-1. HV Hold-Down Adjustment ............................. 22
6. ELECTRICAL ADJUSTMENTS
6-1. Adjustments with Commander ........................... 23
6-1-1. How to Select Each Mode .............................. 23
6-1-2. Programming the Remote Commander
for Operation in Service Mode ....................... 23
6-1-3. Setting the TV into Service Mode .................. 23
6-1-4. Screen Display for Service Menu .................. 24
6-1-5. Service List (Projector Engine) ...................... 25
6-2. Registration Adjustment ................................................ 27
6-2-1. Setup for Adjustment ..................................... 27
6-2-2. Main Deflection Adjustment .......................... 27
6-2-3. Operation Method for
Projector Engine Mode ................................... 28
6-2-4. Projector Engine Adjustment
(Sub Deflection Adjustment) .......................... 29
6-3. Auto Convergence Offset ................................... 31
6-4. White Balance Adjustment .................................. 31
6-5. Sub Bright Adjustment ....................................... 31
6-6. Sub Color Adjustment ........................................ 31
6-7. Auto Convergence Error Code List .................... 32
6-8. Test-Test Mode ................................................... 33
7. DIAGRAMS
7-1. Block Diagrams .................................................. 35
7-2. Circuit Boards Location ...................................... 40
7-3. Schematic Diagrams and Printed Wiring
Boards ................................................................. 40
A Board Schematic Diagram (1/2) .................... 41
A Board Schematic Diagram (2/2) ................... 42
A Printed Wiring Board .................................... 43
AP Board Schematic Diagram ............................ 45
AP Printed Wiring Board ................................. 49
D Board Schematic Diagram .............................. 46
D Printed Wiring Board .................................... 50
G Board Schematic Diagram .............................. 52
G Printed Wiring Board .................................... 51
M2 Board Schematic Diagram ............................ 53
M2 Printed Wiring Board ................................. 54
CB, ZB, H1 and H3 Board
Schematic Diagrams ........................................... 55
CB, ZB, H1 and H3 Printed Wiring Boards .... 54
CG, ZG and H2 Board Schematic Diagrams ..... 56
CG, ZG and H2 Printed Wiring Boards ........... 57
CR and ZR Board Schematic Diagrams ............. 58
CR and ZR Printed Wiring Boards ................... 57
7-5. Semiconductors .................................................. 59
7-6. IC Block Diagrams ............................................. 62
8. EXPLODED VIEWS
8-1. Screen and Cover Block ................................... 65
8-2. Control Panel and Cabinet Block ........................ 66
8-3. Main Bracket Block ............................................ 67
8-4. Picture Tube Block ............................................. 68
9. ELECTRICAL PARTS LIST .................................. 69
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED
ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE
CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE
ANODE CAP.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
