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MARCH 2003
HHEA-MANUFACTURING DIVISION
PA
No. 0172
50HDT50M/55M: PT3-H Chassis
AVC51:
AVC3-U Chassis
R/C: CLU-5726TSI (50HDT50/55)
R/C: CLU-120S (50HDT55)
N
N T
T S
S C
C
P
PT
T3
3--H
H A
AV
VC
C3
3--U
U
C
Ch
ha
as
ss
siis
s
SERVICE MANUAL
CONTENTS
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PRODUCT SAFETY NOTICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
SERVICING PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
AGENCY REGULATORY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
ACKNOWLEDGMENTS AND TRADEMARKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
BASIC SETUP & OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
TROUBLESHOOTING FLOWCHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
DC VOLTAGE TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
CIRCUIT SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
CONNECTION DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
EXPLODED VIEW DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
QUICK REFERENCE PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
DVI CABLE PIN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
CAUTION:
These servicing instructions are for use by qualified service personnel only. To reduce the risk of
electric shock do not perform any servicing other than that contained in the operating instructions
unless you are qualified to do so. Before servicing this chassis, it is important that the service
technician read the “IMPORTANT SAFETY INSTRUCTIONS” in this service manual.
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
Components having special safety characteristics are identified by a on the schematics and on the parts list in this
Service Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician
read and follow the “Important Safety Instructions” in this Service Manual.
PLASMA DISPLAY PANEL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
!
TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW
Summary of Contents for 50HDT50
Page 34: ...34 PT3 H AVC3 U 4 7 WHITE BALANCE ADJUSTMENT OSD FLOW DIAGRAM BACK TO ADJUSTMENTS ...
Page 83: ...PRINTED CIRCUIT BOARD AVC3 U Audio Video PWB 83 PT3 H AVC3 U TABLE OF CONTENTS ...
Page 84: ...PRINTED CIRCUIT BOARD AVC3 U Audio Video PWB 84 PT3 H AVC3 U ...
Page 85: ...PRINTED CIRCUIT BOARD AVC3 U Power PWB 85 PT3 H AVC3 U ...
Page 86: ...PRINTED CIRCUIT BOARD AVC3 U Power PWB 86 PT3 H AVC3 U ...
Page 87: ...PRINTED CIRCUIT BOARD AVC3 U Control SW Jig PWB 87 PT3 H AVC3 U PT3 H FILTER PWB ...
Page 88: ...PT3 H AVC3 U PRINTED CIRCUIT BOARD PT3 H Signal Audio PWB 88 ...
Page 89: ...PRINTED CIRCUIT BOARD PT3 H Signal Audio PWB 89 PT3 H AVC3 U ...
Page 91: ...PT3 H AVC3 U BLOCK DIAGRAM FC4 Unit 91 BACK TO TABLE OF CONTENTS ...
Page 97: ...PT3 H AVC3 U AVC3 U CHASSIS WIRING DRAWING 97 ...
Page 98: ...98 PT3 H AVC3 U PT3 H CHASSIS WIRING DRAWING POWER UNIT X SUS FILTER INLET AUDIO VIDEO Y SUS ...