SAFETY PRECAUTIONS ......................................................................................................2
PRODUCT SAFETY NOTICE................................................................................................3
SERVICING PRECAUTIONS ................................................................................................4
AGENCY REGULATORY INFORMATION ............................................................................8
TABLE OF CONTENTS ........................................................................................................9
SPECIFICATIONS................................................................................................................11
FEATURES AND FUNCTIONS............................................................................................22
PWB ADJUSTMENTS ........................................................................................................49
TROUBLESHOOTING FLOW CHARTS..............................................................................95
DC VOLTAGE ......................................................................................................................96
WAVEFORMS ..................................................................................................................108
REPLACEMENT PARTS LIST ..........................................................................................114
EXPLODED VIEW ............................................................................................................138
PRINTED CIRCUIT BOARDS ..........................................................................................148
CONNECTION DIAGRAM ................................................................................................160
BLOCK DIAGRAM ............................................................................................................161
BASIC CIRCUIT SCHEMATIC DIAGRAM ........................................................................162
FINAL WIRING DIAGRAM ................................................................................................175
MAJOR ICS & UNITS ........................................................................................................179
PA
50V500/LC37
60V500A/LC37F
No. 0178
NTSC
LC37 Chassis
LC37F Chassis
R/C: CLU-5729TSI
CAUTION:
Before servicing this chassis, it is important that the service technician read the
“Product Safety Notices” in this service manual.
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
Components having special safety characteristics are identified by a 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 “Safety Precautions” and “Product Safety Notices” in
this Service Manual.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LCD REAR PROJECTION TELEVISION
JUNE 2003
HHEA-MANUFACTURING DIVISION
!
Summary of Contents for 50V500 - UltraVision Digital - 50" Rear Projection TV
Page 12: ...12 LC37 LC37F I SPECIFICATION BACK TO ADJUSTMENTS ...
Page 14: ...14 LC37 LC37F I SPECIFICATION BACK TO ADJUSTMENTS ...
Page 15: ...15 LC37 LC37F I SPECIFICATION BACK TO ADJUSTMENTS ...
Page 16: ...16 LC37 LC37F I SPECIFICATION BACK TO ADJUSTMENTS ...
Page 17: ...17 LC37 LC37F I SPECIFICATION BACK TO ADJUSTMENTS ...
Page 20: ...20 LC37 LC37F I SPECIFICATION BACK TO ADJUSTMENTS ...
Page 95: ...95 LC37 LC37F BACK TO ADJUSTMENTS ...
Page 138: ......
Page 143: ......
Page 148: ...PRINTED CIRCUIT BOARD Control CS 148 LC3X BACK TO ADJUSTMENTS ...
Page 149: ...PRINTED CIRCUIT BOARD Control SS 149 LC3X ...
Page 150: ...PRINTED CIRCUIT BOARD Drive CS 150 LC3X ...
Page 151: ...PRINTED CIRCUIT BOARD Drive SS 151 LC3X ...
Page 152: ...PRINTED CIRCUIT BOARD DVI CS 152 LC3X ...
Page 153: ...PRINTED CIRCUIT BOARD DVI SS 153 LC3X ...
Page 154: ...PRINTED CIRCUIT BOARD Power CS 154 LC3X ...
Page 155: ...PRINTED CIRCUIT BOARD Power SS 155 LC3X ...
Page 156: ...PRINTED CIRCUIT BOARD Signal CS 156 LC3X ...
Page 157: ...PRINTED CIRCUIT BOARD Signal SS 157 LC3X ...
Page 158: ...PRINTED CIRCUIT BOARD Terminal CS 158 LC3X ...
Page 159: ...PRINTED CIRCUIT BOARD Terminal SS 159 LC3X ...
Page 160: ...CONNCETION DIAGRAM 160 LC3X ...
Page 161: ...BLOCK DIAGRAM 161 LC3X ...
Page 175: ...175 LC3X FINAL WIRING 1 of 4 BACK TO ADJUSTMENTS ...
Page 176: ...176 LC3X FINAL WIRING 2 of 4 ...
Page 177: ...177 LC3X FINAL WIRING 3 of 4 ...
Page 178: ...178 LC3X FINAL WIRING 4 of 4 ...
Page 182: ...181 Hitachi LCD Rear Projection TV Optical Engine Removal Procedure ...
Page 183: ...182 Pop off front grill Remove 4 screws holding front plastic piece w power button ...
Page 184: ...183 Left side close up Right side close up ...
Page 185: ...184 Remove 4 screws holding top cabinet front Left side close up ...
Page 186: ...185 Right side close up Remove screws holding lower rear cabinet ...
Page 187: ...186 Remove screws holding upper rear cabinet Remove 2 screws holding right subwoofer ...
Page 188: ...187 Pull out subwoofer as shown to access the upper cabinet wires Disconnect all the wires ...
Page 189: ...188 Now lift the top straight up 2 person lift Remove this bracket ...
Page 190: ...189 Bracket removed Next remove the Ballast Assy ...
Page 193: ...192 Remove the 5 screws holding down the Engine Assy Use a stubby 2 Philips head as needed ...
Page 195: ......