KF-WE50A1, KF-WS60A1 - Sony TV Service Manual (repair manual). Page 3

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(CAUTION)

SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.

WARNING!!

AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.

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
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 CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.

Section

Title

Page

––––––

––––

––––

................................... 5

2-1.

REAR COVER ............................................................ 9

2-2.

CHASSIS PILLER ASSEMBLY (WE50A1) ............. 9

2-3.

OU BRACKET (WS60A1) ......................................... 9

2-4.

SERVICE POSITION ............................................... 10

2-5.

CHASSIS ASSEMBLY, OPTICS UNIT
(WE50A1) ................................................................. 10

2-6.

CHASSIS ASSEMBLY, FAN BRACKET (CHASSIS)
WITH DC FAN (WS60A1) ....................................... 10

2-7.

OPTICS UNIT, FAN DUCT, T BOARD
(WS60A1) ................................................................. 11

2-8.

WOOFER BLOCK ASSEMBLY (WE50A1) ........... 11

2-9.

WOOFER BLOCK ASSEMBLY
(WS60A1) ................................................................. 12

2-10. UG BOARD .............................................................. 12
2-11.

B BLOCK ASSEMBLY ............................................ 13

2-12. F BOARD .................................................................. 13
2-13. KD BOARD .............................................................. 14
2-14. AG AND G1 BOARDS ............................................ 14
2-15. G2 AND H4 (WS60A1) BOARDS ........................... 15
2-16. POWER SUPPLY BLOCK ....................................... 15
2-17. T BOARD (WE50A1) ............................................... 16
2-18. FRONT COVER ASSEMBLY  (WE50A1) .............. 16
2-19. HMG AND H3 BOARDS (WE50A1) ...................... 16
2-20. H2 BOARD (WE50A1) ............................................ 17
2-21. H1 BOARD (WE50A1) ............................................ 17
2-22. HMG BOARD (WS60A1) ........................................ 18
2-23. H1, H2 AND H3 BOARDS (WS60A1) .................... 18
2-24. SCREEN MIRROR BLOCK ASSEMBLY

(WE50A1) ................................................................. 19

2-25. SCREEN MIRROR BLOCK ASSEMBLY

(WS60A1) ................................................................. 19

3-1.

ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER ........................................................ 20

3-2.

To Read Lamp and Panel Time ................................. 22

3-3.

Test Reset .................................................................. 22

3-4

LA-3 H/V Center Confirmaition and Adjustment ..... 22