Sony kdl22ex308 Manuale Utente

Sony

CTV-63

i

Power Supply ....................................................................... 4

KDL22EX308 .......................................................................... 4
KDL32EX308 .......................................................................... 4

Inverter ................................................................................. 4
Switch Unit ........................................................................... 4
HLR Board ........................................................................... 4

Chapter 3 – Troubleshooting .............................................. 7

Introduction ...................................................................... 7
Software Updates ............................................................ 7

Software Update Responsibility ........................................... 8
Examples of Software Correctable Symptoms .................... 8
Checking the Software Version ............................................ 8

Special Software Instructions for BAL Board or LCD Panel

Replacement ............................................................... 9

No Video ............................................................................ 10

Audio Troubleshooting ................................................... 14
Power Supply Troubleshooting ...................................... 14

Completely Dead Set ............................................................ 14
Won’t Power On .................................................................... 14

Backlight Issues ............................................................. 18

No Backlight, No Shutdown ............................................... 18

Diagnostics History ........................................................ 18
Circuit Board and Connector Locations ......................... 19

Chapter 4 – Appendix ........................................................ 24

TCON Troubleshooting .................................................. 24

Chapter 1 – Introduction ..................................................... 1

Overview .......................................................................... 1
Features .......................................................................... 1

720p Panel ........................................................................... 1
CCFL Backlighting ............................................................... 1
BRAVIA™ Internet Video ..................................................... 1
Enhanced Cross Media Bar (XMB) ...................................... 1
USB2.0 Side Input ............................................................... 2
HDMI 1.3 .............................................................................. 2

Consumer Electronics Control (CEC) ..................................... 2
xvYCC ..................................................................................... 2
Deep Color .............................................................................. 2

Bravia® Sync ....................................................................... 2
Advanced Contrast Enhancer (ACE) ................................... 2
Interactive Program Guide (IPG) ......................................... 2
Digital Living Network Alliance (DLNA) ................................ 2
RGB Ambient Sensor ........................................................... 2

Chapter 2 – Overall Circuit Descriptions ........................... 3

Overview .......................................................................... 3
Overall Circuit Description ............................................... 3

BAL Board ........................................................................... 3

A/V Decoder IC9000 ............................................................... 3
Audio Processing .................................................................... 3
HDMI Switch ........................................................................... 3
CPU ........................................................................................ 3
LVDS Transmitter .................................................................... 3

Table of Contents