KDL-19L4000, KDL-26L4000 - Sony TV Service Manual (repair manual). Page 3

1. GENERAL ...................................................................

3

Caution ................................................................

3

Specifications .....................................................

4

Connectors ..........................................................

5

Self Diagnosis .....................................................

7

2-1.

Stand & Rear Cover Removal (19 inches) ........

8

2-2.

Rear Cover Removal (26 inches) .......................

8

2-3.

Stand Removal (26 inches) ................................

8

2-4.

Loudspeaker Removal ........................................

8

2-5.

Switch Unit Sub Assy Removal .........................

8

2-6.

H5 Board Removal .............................................

9

2-7.

B Board Removal ...............................................

9

2-8.

Power Board Removal (19 inches) ....................

9

2-9.

Power Board Removal (26 inches) ....................

9

3-1.

How to enter the Service Mode  ........................

10

3-2.

Service Menu Structure  .....................................

10

3-2-1.  Service General Menu .................................

10

3-2-2.  Service Alignments Menu ...........................

10

3-2-3.  Virgin Mode .................................................

11

3-2-4.  OSD Service Menu ......................................

11

3-2-5.  Country Selection Menu ..............................

11

3-2-6.  Reset .............................................................

11

3-3.

White Balance Adjustment  ...............................

12

3-3-1.  Preparation ...................................................

12

3-3-2.  “COOL” White Balance Adjustment ..........

12

3-3-3.  “NEUTRAL” White Balance Adjustment ..

12

3-3-4.  “WARM” White Balance Adjustment ........

12

4-1.

Block Diagram 1 (19 inches) .............................

13

Block Diagram 2 (26 inches) .............................

14

4-2.

Circuit Board Location .......................................

15

4-3.

Schematic Diagrams and Printed Wiring

Boards .................................................................

15

B Board Schematic Diagram ..............................

16

G1D Board Schematic Diagram (26 inches) .....

30

G Board Schematic Diagram (19 inches) ..........

31

H1 Board Schematic Diagram ...........................

31

H5 Board Schematic Diagram ...........................

31

B Printed Wiring Board .....................................

32

G Printed Wiring Board (19 inches) ..................

36

G1D Printed Wiring Board (26 inches) .............

38

H1 Printed Wiring Board ...................................

40

H5 Printed Wiring Board ...................................

40

5-1a. Chassis (19 inches) .............................................

41

5-1b. Chassis (26 inches) .............................................

42

5-2.

Bezel & Stand Assy ............................................

 43

5-3a. Rear Cover & Power Supply Cords (19 inches)

 44

5-3b. Rear Cover & Power Supply Cords (26 inches)

 45

Accessories & Connectors .................................

 46

Remote Commander ...........................................

 46

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY SHADING AND MARKED

  

 

  ON

THE 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.

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.