Table Of Contents - Sony KD-34XBR2 Training Manual

1. Introduction ...................................... 1
Models Covered .............................................. 1
Technical Highlights ......................................... 1
2. New Features ................................... 3
Menu ............................................................... 3
i Link ................................................................ 5
3. DTV Signal Information ................... 8
Digital TV Transmissions ................................. 8
Signal Contents ............................................... 8
Signal Quality .................................................. 9
4. HA-3 Chassis Overall Block .......... 10
5. Power ON Block (HA-3 Chassis) ... 12
Power Supplies .............................................. 12
Standby Power Supply ................................... 13
Primary & Secondary Power Supplies ............ 13
TV Power ON Sequence ................................ 15
6. Primary Power Supply
( HA-3 & RA-5A Chassis) ................. 16
Oscillator Start Up .......................................... 16
Driver / Output stage ...................................... 16
Regulator Stage.............................................. 17
Testing ............................................................ 18
7. Secondary Power Supply
(HA-3 & RA-5A Chassis) ................. 20
Start UP .......................................................... 20
Regulation ...................................................... 21
Testing for Low B+ or Shutdown ..................... 21
8. Protection Block (HA-3 Chassis) .. 23
Protection Circuits .......................................... 24
9. High Voltage Stage
(HA-3 Chassis) ............................... 32
Start Up .......................................................... 32
Protection ....................................................... 33
HV Adjustment ............................................... 34
Testing ............................................................ 35

Table of Contents

10. Communications
(HA-3 & RA-5A Chassis) ..................... 36
11. Video Process
(HA-3 & RA-5A Chassis) ................ 40
Overall Sync Path ........................................... 43
Board Replacement Repairs .......................... 44
Component Level Repair ................................ 53
DTV Tuner Processing for DTV Box Repair
(HA-3 & RA-5A Chassis ............................. 58
12. Audio Block (HA-3 Chassis) ........ 60
Signal Flow ..................................................... 60
Normal Signal Levels ..................................... 62
13. Firmware Upgrade
(HA-3 & RA-5A Chassis) ................. 63
14. HA-3 TV Chassis
Board Replacement ........................ 66
15. Convergence Adjustment
Overview (HA-3 Chassis) ............... 69
Service Mode Access (conventional) .............. 69
Service Mode Categories (groups) ................. 69
Convergence Adjustments - Overview............ 70
Data Copy Function ........................................ 71
Internal Video Pattern Generation .................. 71
Alternate Video 5/6 Input Path -
used for troubleshooting only ..................... 72
RA-5A Chassis
16. Board Layout
(RA-5A Chassis) .............................. 74
17. Overall Block ................................. 75
18. Power Supply Block ..................... 77
Power Supplies .............................................. 78
Power ON ....................................................... 79
19. G Board Tests................................ 81
A. Power the G board and check
output voltages ........................................... 81