Hitachi HDR081 Service Manual

SERVICE MANUAL
Page 3
TERRESTRIAL STB MODEL................................................................................................................................................... 2
REVISION HISTORYREV 2.0 02/03/2007........................................................................................................................... 3
GENERAL DESCRIPTION........................................................................................................................................................ 4
T816 PROJECT HARDWARE BLOCK DIAGRAM ........................................................................................................... 4
16 MB 31-1 M AINBOARD ............................................................................................................................................................... 5
STI5100 (IC101)........................................................................................................................................................................ 5
DDRAM HYNIX 512MB İTS .................................................................................................................................................. 11
HY29LV320 32 M BIT (2M X 16) L OW V OLTAGE F LASH M EMORY (IC1) ........................................................................... 12
16 TUT 36-2 TUNER BOARD ......................................................................................................................................................... 13
STV0360/0361(COFDM DEMODULATORS IC FOR TERRESTRİAL TV SET - TOP BOX ) .......................................................... 13
TUNER (DTOS449IV241B-DTOS443PV241B).................................................................................................................. 15
16 SC 31-2 SCART BOARD ............................................................................................................................................................ 17
STV6414A UDIO /V IDEO S WİTCH M ATRİX (IC200)................................................................................................................. 17
16PW810-2 P OWER BOARD ...................................................................................................................................................... 18
16 FP 38-3 FRONT BOARD ........................................................................................................................................................... 19
VFD D RİVER /C ONTROLLER IC PT6311(IC2) ....................................................................................................................... 19
USED IC LISTS.......................................................................................................................................................................... 22
MAINBOARD (16MB31-1) ................................................................................................................................................... 22
POWER BOARD (16PW810-2)............................................................................................................................................. 22
SCART BOARD (16SC31-2).................................................................................................................................................. 22
FRONT BOARD (16FP38-3)................................................................................................................................................. 22
CONNECTORS.......................................................................................................................................................................... 23
SCART CONNECTION .......................................................................................................................................................... 24
TV S CART S OCKET ................................................................................................................................................................... 24
VCR S CART S OCKET ................................................................................................................................................................ 24
RS232 S ERIAL P ORT ................................................................................................................................................................. 25
RCA (A UDIO AND C OMPOSITE V IDEO ) C ONNECTOR ................................................................................................................ 25
TECHNICAL SPECIFICATIONS........................................................................................................................................... 26
TROUBLE-SHOOTING ........................................................................................................................................................... 28
PARTS LIST............................................................................................................................................................................... 30
SCHEMATİCS........................................................................................................................................................................... 32
16PW810-2 POWER BOARD SCHEMATIC.......................................................................................................................... 32
16MB31-1 MAINBOARD SCHEMATIC ............................................................................................................................... 33
16FP38-3 FRONT BOARD SCHEMATIC.............................................................................................................................. 41
16SC31-2 AV SCHEMATIC ................................................................................................................................................... 42
EXPLODED VIEW.................................................................................................................................................................... 31
16TUT36-2 TUNER SCHEMATIC ........................................................................................................................................ 44

Hitachi HDR081 Specifications

General

Brand	Hitachi
Model	HDR081
Category	DVR
Language	English