KV-AW21M80A - Sony TV Service Manual (repair manual). Page 3

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SELF DIAGNOSTIC FUNCTION...................................... 3

1-1.

Rear Cover Removal .................................................... 5

1-2.

Speaker Removal ......................................................... 5

1-3.

Chassis Assy Removal ................................................. 5

1-4.

Service Position ........................................................... 5

1-5.

A Board Removal ........................................................ 5

1-6.

H1 Board Removal ...................................................... 5

1-7.

Picture Tube Removal .................................................. 6

2-1.

Dress DGC with Cable Tie ........................................ 7

2-2.

Install Coating earth assy, Hook Spring,
Extension to Earth Coating Assy ............................... 7

2-3.

Insert DGC Connector to CN601(A PWB) ............... 8

2-4.

Dress AC Cord, Speaker Wire(R&L), DGC Wire
& Led Assy Earth with Purse Lock PA ..................... 8

2-5.

Insert Connector DY to CNDY 1 (A PWB) .............. 8

2-6.

Dress Speaker Wire Under DGC ............................... 8

2-7.

Insert Earth Coating Assy to CN705 (C/CV PWB) .. 9

2-8.

Keep Away Lead Assy, G2 & Focus .......................... 9

2-9.

Dress AC Cord Wire to CRT Support Hook (Left) ... 9

2-10. Dress AC Cord Wire to Rail Guide Cover

Bottom (Left) ............................................................. 9

2-11. Dress Lead Assy, Speaker (Red, White + Blk)

to Loudspeaker ......................................................... 10

2-12. Dress DGC Conn is Kept Behind of DGC .............. 10
2-13. Dress Conn Assy 7P, Lead Assy Earth &

Lead Assy Jumper with Purse Lock Ø5 .................. 10

2-14. Dress Conn, Assy 7P, NS Coil, Lead Assy Earth &

Lead Assy Jumper with Purse Lock Ø5 .................. 10

2-15. Install HV Cable Combi, Holder to HV Lead

Assy (Anode Cap) .................................................... 11

2-16. Dress HV Holder To DGC (Top)(Left) with

Purse Lock Ø9 ......................................................... 11

2-17. Dress Connector DY & Connector Assy 5P

with Purse Lock Ø5 ................................................. 11

2-18. Dress ECA, Lead Assy G2 & Focus with

Purse Lock Ø5 ......................................................... 11

2-19. Dress Connector Assy 7P with Cable Tie ............... 12
2-20. Install CN001 (H PWB) to CN005 (A PWB) ......... 12
2-21. Dress AC Power Cord to Purse Lock(S)(DIA.8) .... 12
2-22. Insert Conn Assy 5P to C/CV PWB ........................ 12
2-23. Insert Conn Assy 7P to CN701 (C PWB) ............... 12
2-24. Insert Conn Assy 7P to CN701 (CV PWB) ............ 12
2-25. Dress Connector Assy 7P with Pin Lead (A705) .... 13
2-26. Dress Conn Assy 7P with Pin Lead to CV PWB .... 13

2-27. Dress Conn Assy 4P with Pin Lead ......................... 13
2-28. Insert Lead Assy, Speaker to CN200 (APWB) ....... 13
2-29. Insert Conn AC Cord Power to CN602 (A PWB) ... 13
2-30. Dress AC Cord Conn & Speaker Wire (L) with

Pin Lead (A016) ...................................................... 13

3-1.

Beam Landing Adjustment ........................................ 14

3-2.

Convergence Adjustment ........................................... 14

3-3.

Focus Adjustment ...................................................... 16

3-4.

G2 (SCREEN) Adjustment ........................................ 16

3-5.

White Balance Adjustment ........................................ 16

4-1.

Adjustments With Commander ................................. 17

4-2.

Adjustment Method ................................................... 18

4-3.

Picture Quality Adjustment ....................................... 37
4-3-1. P MAX/Contrast Adjustment ......................... 37
4-3-2. Sub Color Adjustment .................................... 37
4-3-3. Sub Hue Adjustment ....................................... 37
4-3-4. Sub Bright Adjustment ................................... 37

4-4.

Geometry Adjustment ................................................ 37
4-4-1. General Setting ............................................... 37
4-4-2. Pal 50Hz Normal Mode .................................. 38

5-1.

Block Diagram ........................................................... 39

5-2.

Circuit Boards Location ............................................ 40

5-3.

Schematic Diagram Information ............................... 40
5-3-1. A Board — (Block 001) .................................. 41
5-3-2. A Board — (Block 002) .................................. 43
5-3-3. A Board — (Block 003) .................................. 45
5-3-4. A Board — (Block 004) .................................. 47
5-3-5. A Board — (Block 005) .................................. 49
5-3-6. A Board — (Block 006) .................................. 51
5-3-7. A Board — (Block 007) .................................. 53
5-3-8. CV Board Schematic Diagram ....................... 54
5-3-9. H1 Board Schematic Diagram ........................ 55

5-4.

Voltage Measurement and Waveforms ...................... 56

5-5.

Printed Wiring Boards ............................................... 59

5-6.

Semiconductors .......................................................... 62

6-1.

Chassis ....................................................................... 64

7. ELECTRICAL PARTS LIST ............................................ 66

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