Table Of Contents - Sony KDL-22EX420 Service Manual

Section Title
1. SAFETY NOTES
1-1. Caution Handling of LCD Panel ..................................................................
1-2. Safety Check Out ........................................................................................... 3
1-3. Leakage Test ......................................................................................................... 3
How to find a good earth ground .................................................. g g
1-4.
1-5. WARNING and Caution .......................................................................................
1-6. Lead Free Information .........................................................................................
1-7. Information regarding Bezel and Panel................................................ 6
2. SELF DIAGNOSTIC FUNCTION
2-1. Overview of Control Buttons ........................................................................... 16
2 2 2-2. LED Display Specification ................................................................................... 16 LED Display Specification
2-3. LED Display Control ............................................................................................. 16
2-4. LED Pattern ............................................................................................................ 17
2-5. Standby LED Error Display ................................................................................. 17
2-6. Triage Chart ........................................................................................................... 18
3. TROUBLE SHOOTING
3-1. Power Problem ................................................................................................. 19
3-2. Standby Led Blinking ........................................................................................... 19
3-3. Power (Green) LED Blinking............................................................................... 27
3-4. No Picture .......................................................................................... 28
3-5. No Sound .................................................................................... 30
3-6. TV Commander and Keys Malfunction ........................................................
3-7. 3 7. Network Malfunction................................................................................ 33 Network Malfunction................................................................................ 33
Camera Malfunction ...............................................................
3-8.
3-9. 3D Malfunction.............................................................................. 36
3-10. HDD-Rec Malfunction ..................................................................... 37
3-11. Skype Trouble Shooting Flow ............................................................38
3-12. Trouble Shooting Reference ............................................................ 40
4. SERVICE ADJUSTMENTS 4 SERVICE ADJUSTMENTS
4-1. Accessing Self Diagnostic Menu ................................................................... 46
4-2. Accessing Service Mode ..................................................................................... 47
4-3. Transition of Each Module in Service Mode ................................................. 47
4-4. Change Data by Service Mode 1 ...................................................... 48
4-5. Change Data by Service Mode 2 ...................................................... 49
4-6. White Balance Adjustment ............................................................... 50
4-7. Restore White Balance /Gamma Adj-data to B Board ........................... 51
4-8. Change the Emitter Output Level ...................................................... 51
4-9. Viewing VCOM Test Pattern ......................................................
4-10. How to do Shipping Condition ......................................................... 53
4-11. Remote Commander Function......................................................... 53
4-12 4-12. Index Flow of Service Control ............................................................ 54
Index Flow of Service Control

TABLE OF CONTENTS

Page Section Title
5. DIAGRAMS
3 5-1. Block Diagram ....................................................................................................... 56
5-2. Wire Dressing
5-2-1. KDL-22EX420, 22EX423 ................................................................................. 60
4 5-2-2. K DL-26EX420, 26EX423 ................................................................................. 61
4 5-2-3. KDL-32EX420, 32EX520, 32EX523 ............................................................... 62
5-2-4. K DL-40EX520, 40EX523.................................................................. 63
4
5-2-5. K DL-46EX520, 46EX523................................................................... 64
5-3. Connector Diagram .............................................................................. 65
5-4. Circuit Board Location
5-4-1. KDL-22EX420, 22EX423 ................................................................................. 68
16 5-4-2 5-4-2. KDL-26EX420, 26EX423 ................................................................................. 68 KDL-26EX420 26EX423
5-4-3. KDL-32EX420, 32EX520, 32EX523 ............................................................... 68
5-4-4. K DL-40EX520, 40EX523.................................................................. 68
5-4-5. K DL-46EX520, 46EX523................................................................... 68
6. DISASSEMBLY, EXPLODED VIEWS AND OTHER PARTS
6-1. KDL-22EX420, 22EX423 ................................................................................. 69
6-2. 6 2 KDL 26EX420 26EX423 KDL-26EX420, 26EX423 ................................................................................. 73
6-3. KDL-32EX420, 32EX520, 32EX523 ............................................................... 76
6-4. KDL-40EX520, 40EX523............................................................... 79
6-5. KDL-46EX520, 46EX523.................................................................. 82
6-6. Other Parts ................................................................................................ 85
30
OPERATING INSTRUCTIONS
35
52
54
2
KDL- 22, 26 EX420, 32,40,46 EX520
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523
,
RM-GD020, CD013
RM-GD020
Page
68
73