
– 4 –
KL-X9200M/X9200U
RM-902
TABLE OF CONTENTS
Section Title Page Section Title Page
1. SELF DIAGNOSIS FUNCTION
1-1. An Outline of Self Diagnosis Function ............... 5
1-2. Diagnosis Items and Surmise .............................. 5
1-3. Indication of Self Diagnosis ................................ 6
1-4. How to Finish the Self Diagnosis ........................ 6
1-5. Self Diagnosis Circuit (A BOARD) .................... 7
2. GENERAL .................................................................. 8
3. DISASSEMBLY
3-1. Rear Cover Assembly Removal .......................... 23
3-2. Chassis Assembly Removal ................................ 23
3-3. Service Position ................................................... 23
3-4 Power Block , K Board Removal ........................ 23
3-5. G Board Removal ................................................ 24
3-6. U Board Removal ................................................ 24
3-7. BB Board and BD Board Removal ..................... 24
3-8. Inspection Method of the BB Board.................... 24
3-9. A Board Removal ................................................ 25
3-10. Filter Removal ..................................................... 25
3-11. Lamp Block Removal .......................................... 25
3-12. Pedestal Removal ................................................ 25
3-13. HB Board Removal ............................................. 26
3-14. HA Board Removal ............................................. 26
3-15. Screen Frame Assembly Removal....................... 27
3-16. C Board and CU Board Removal ........................ 27
3-17. Inspection Method of the C Board ...................... 28
3-18. Optics Unit Removal ........................................... 28
4. CIRCUIT ADJUSTMENTS ................................ 29
5. DIAGRAMS
5-1. Block Diagrams ................................................... 41
5-2. Frame Schematic Diagrams................................. 53
5-3. Circuit Boards Location....................................... 55
5-4. Schematic Diagrams and Printed
Wiring Boards ................................................. 56
(1) Schematic Diagrams of A Board (1/4) .................. 57
(2) Schematic Diagram of A Board (2/4) ................... 61
(3) Schematic Diagram of A Board (3/4) ................... 65
(4) Schematic Diagram of A Board (4/4) ................... 68
(5) Schematic Diagram of BB Board (1/5) ................. 79
(6) Schematic Diagram of BB Board (2/5) ................. 82
(7) Schematic Diagram of BB Board (3/5) ................. 85
(8) Schematic Diagram of BB Board (4/5) ................. 88
(9) Schematic Diagram of BB Board (5/5) ................. 91
(10) Schematic Diagram of BD Board (2/2) ................. 94
(11) Schematic Diagram of BD Board (1/2) ................. 97
(12) Schematic Diagram of G Board ............................ 101
(13) Schematic Diagram of HA Board ......................... 105
(14) Schematic Diagrams of HB, FR Boards................ 107
(15) Schematic Diagram of K Board ............................ 109
(16) Schematic Diagrams of U, TA,TB Boards ............ 115
(17) Schematic Diagram of CU Board ......................... 119
(18) Schematic Diagram of C Board (1/3).................... 123
(19) Schematic Diagram of C Board (2/3).................... 124
(20) Schematic Diagram of C Board (3/3).................... 127
5-5. Semiconductors ................................................... 131
6. EXPLODED VIEWS
6-1. Chassis Section .................................................... 133
6-2. Front Section ....................................................... 134
6-3. Screen Mirror Section.......................................... 135
6-4. Optics Section...................................................... 136
7. ELECTRICAL PARTS LIST ............................ 137
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 APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
ATTENTION AUX COMPOSANTS RELATIFS À LA
SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET
UNE MARQUE ¡SONT CRITIQUES POUR LA
SÉCURITÉ. NE LES REMPLACER QUE PAR UNE PIÈCE
PORTANT LE NUMÉRO SPECIFIÉ. LES RÉGLAGES DE
CIRCUIT DONT L’IMPORTANCE EST CRITIQUE POUR
LA SÉCURITÉ DU FONCTIONNEMENT SONT
IDENTIFIÉS DANS LE PRÉSENT MANUEL. SUIVRE CES
PROCÉDURES LORS DE CHAQUE REMPLACEMENT DE
COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS
FONCTIONNE-MENT EST SUSPECTÉ.