Hitachi HDR 081 Service Manual

Page 1

SERVICE MANUAL TERRESTRIAL STB MODEL Page 2

Page 2

SERVICE MANUAL Page 3 TERRESTR IAL STB M ODE L........................................................................\ ................................. .......................................... 2 REV ISI ON H ISTO RYREV 2 .0 02/03 /200 7........................................................................\ ........................................... ........ 3 GENERAL DES CRIPTI ON........................................................................\ ................................... ............................................. 4 T816 PROJ EC T H AR DW ARE BLOCK DIAGRAM ........................................................................\ ................................... 4 16 M B 31-1 MA INBOAR D ........................................................................\ ...................................................... ................................. 5 STI5100 ( I C1 01)........................................................................\ ...................................................... .......................................... 5 D DR AM HY NIX 5 12 MB İTS ........................................................................\ ...................................................... .................... 11 H Y29 LV 320 32 MBIT (2 M X 16) LOW VOLTA GE FLA SH MEMORY (IC1) ........................................................................\ ... 12 16 TU T 36 -2 TUNER BOARD ........................................................................\ ...................................................... ........................... 13 ST V03 60 /0 3 61 (C OFDM DEMODULA TORS IC FOR TE RRESTR İAL TV S E T -TO P BO X ) .......................................................... 13 TUN ER (D TOS44 9IV2 41B-D TOS44 3PV 241 B )........................................................................\ .......................................... 15 16 S C31 -2 SCA RT BOARD ........................................................................\ ...................................................... .............................. 17 ST V64 14A UD IO /V IDEO SW İTCH MATRİX (I C 20 0)........................................................................\ ......................................... 17 1 6PW8 10-2 POWER BOARD ........................................................................\ ...................................................... ........................ 18 16 F P 38-3 FR ONT BOARD ........................................................................\ ...................................................... ............................. 19 VFD DR İVE R /C O NTR OLLER IC PT6311 (IC 2) ........................................................................\ ............................................... 19 USED IC LI ST S........................................................................\ ......................................... ......................................................... 22 MA IN BOARD (16 MB31 -1) ........................................................................\ ...................................................... ..................... 22 POWER BOARD ( 1 6PW8 10- 2)........................................................................\ ...................................................... ............... 22 S C ART BOARD (1 6S C 31 -2) ........................................................................\ ...................................................... .................... 22 FRONT BOARD ( 1 6F P38 -3 )........................................................................\ ...................................................... ................... 22 C O NN ECT ORS........................................................................\ ............................................ ...................................................... 23 SCART CONNE CTION ........................................................................\ ............................................ ...................................... 24 TV SCART SOCKET ........................................................................\ ...................................................... ..................................... 24 VCR SCART SOCKET ........................................................................\ ...................................................... .................................. 24 RS232 SERIAL PORT ........................................................................\ ...................................................... ................................... 25 RCA (A UDIO AND COM PO SITE VIDE O ) CONN EC TO R ........................................................................\ ........................................ 25 TECHN IC AL SPEC IFICATION S........................................................................\ .............................. ..................................... 26 TROUBL E-S HOOT IN G ........................................................................\ ....................................... ............................................ 28 PARTS LIST.......................................................... ...................................................................... ............................................... 30 SCH EMA TİC S........................................................................\ ................................................................................................... 3 2 1 6P W 810- 2 POWER BOARD SCHEMATI C...................................................................................................\ ....................... 3 2 16 MB31-1 M AIN BO ARD SC HEM ATIC ........................................... ............................................................................\ ........ 3 3 1 6F P38-3 F R O NT BOARD SC HEM ATIC ........ ............................................................................................................\ .......... 41 1 6S C 31 -2 AV SCHE MATIC .......... ......................... ...............................................................................\ .................... ............. 4 2 EXPLODED VIEW ............................................... ...................................................................... ............................................... 31 1 6TUT 36-2 TUNER SCHE MATIC ......... ................. ...............................................................................\ .................. ............. 4 4