KLV-40S400A - Sony TV Service Manual (repair manual). Page 3

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1-1. Caution Handling of LCD Panel ..................................... 3
1-2. Safety Check Out ............................................................. 3
1-3. Leakage Test .................................................................... 3
1-4. WARNING ! .................................................................... 3
1-5. Lead Free Information ..................................................... 4
1-6. Attachment & Detachment of MDF61 Connector ......... 4

2-1. Overview of Control Buttons .......................................... 5
2-2. LED Display Specification .............................................. 5
2-3. LED Display Control ....................................................... 5
2-4. LED Pattern ..................................................................... 5
2-5. Standby LED Error Display ............................................ 6

3-1. Rear Cover Removal ........................................................ 7
3-2. Stand Assy Removal ........................................................ 7
3-3. Switch Unit Removal ...................................................... 7
3-4. IP5-40S Board Removal .................................................. 7
3-5. BG1 Board Removal ....................................................... 7
3-6. Frame Removal ................................................................ 7
3-7. HG4 Board and Speaker Removal .................................. 8
3-8. LCD Panel Removal ........................................................ 8

4-1-1. Wire Dressing Overview ............................................. 9
4-1-2. Dress LVDS cable with Sheet Core C

and Shield Tape ............................................................ 9

4-1-3. Dress LVDS cable with Sheet Core C

on spine frame .............................................................. 9

4-1-4. Screw LVDS cable's clamp on main bracket .............. 9
4-1-5. Apply  Sheet Core C on LCD Panel ............................ 9
4-1-6. Dress Connector Assy 14P+20P with LCD Tape

and dress Connector Assy 14P+20P and Speaker
with Sheet Core C ........................................................ 9

4-1-7. Dress Conector Assy 14P+20P and Speaker Wire

with Sheet Core C (quantity:3) .................................. 10

4-1-8. Dress Connector Assy 14P+20P with slide clamp

(quantity:2) and dress Connector Assy 14P+20P on
top of Connector Assy 13P ........................................ 10

4-1-9. Dress Connector Assy 14P+20P with LCD Tape ..... 10
4-1-10.Screw Ground wire and dress underneath

speaker wire ............................................................... 10

4-1-11.Dress inverter wire with clamp(quantity:2) .............. 11
4-1-12.Dress Connector Assy 7P with LCD tape ................. 11
4-1-13.Dress AC inlet wire with Sheet Core C(quantity:2) . 11
4-1-14.Dress Connector assy 14P+20P with LCD

Tape. (quantity:2) ....................................................... 11

5-1. Accessing Diagnostic Menu .......................................... 12
5-2. Aging ............................................................................ 12
5-3. Resetting the User Menu- Factory Reset ...................... 12
5-4. White Balance Adjustment ............................................ 13
5-5. Board & Panel Replacement ......................................... 13

6-1. Block Diagram ............................................................... 14
6-2. Circuit Board Location .................................................. 14
6-3. Schematic Diagram ....................................................... 15
6-4. Printed Wiring Boards ................................................... 15
6-5. Semiconductor ............................................................... 15

7-1. Rear Cabinet and Stand Assy ........................................ 16
7-2. Chassis-1 ........................................................................ 17
7-3. BG1, IP5-40S, HG4 Boards, Speakers, Bezel Assy

and LCD Panel ............................................................... 18

.............................................. 19